From 91695d85f0a6e3e2df994b9beb58b70aa79b32b4 Mon Sep 17 00:00:00 2001
From: Quang Nguyen <t-qnguyen@microsoft.com>
Date: Tue, 17 Aug 2021 19:29:27 -0400
Subject: [PATCH] [NPM] NPM Debug CLI (#971)

* CLI functions

* fix whitespace bug in CIDRmatch + go lint issue

* update main.go from master

* addressed CR comments

* addressed Matt's comments

* make config flag to be a root cmd flag  only

* make config flag to be a root cmd flag  only
---
 go.mod                                        |   10 +-
 go.sum                                        |    8 +
 npm/cmd/const.go                              |    8 +
 npm/cmd/convertIPtable.go                     |   43 +
 npm/cmd/debugCmd.go                           |   15 +
 npm/cmd/getTuples.go                          |   57 +
 npm/cmd/parseIPtable.go                       |   37 +
 npm/cmd/root.go                               |   53 +
 npm/debugTools/dataplane/trafficAnalyzer.go   |   10 +-
 npm/plugin/main.go                            |   21 +-
 vendor/github.com/golang/mock/gomock/call.go  |   24 +-
 .../github.com/golang/mock/gomock/callset.go  |    4 +
 .../golang/mock/gomock/controller.go          |  107 +-
 .../github.com/golang/mock/gomock/matchers.go |   18 +-
 .../magiconair/properties/.travis.yml         |    5 +
 .../magiconair/properties/CHANGELOG.md        |   23 +-
 .../properties/{LICENSE => LICENSE.md}        |    9 +-
 .../magiconair/properties/README.md           |    1 -
 .../github.com/magiconair/properties/go.mod   |    2 +
 .../github.com/magiconair/properties/load.go  |    5 +-
 .../magiconair/properties/properties.go       |   31 +-
 .../mitchellh/mapstructure/.travis.yml        |    8 -
 .../mitchellh/mapstructure/CHANGELOG.md       |   52 +
 .../mitchellh/mapstructure/decode_hooks.go    |   71 +-
 .../github.com/mitchellh/mapstructure/go.mod  |    2 +
 .../mitchellh/mapstructure/mapstructure.go    |  481 +++++-
 .../pelletier/go-toml/.dockerignore           |    2 +
 .../github.com/pelletier/go-toml/.gitignore   |    3 +
 .../github.com/pelletier/go-toml/.travis.yml  |   23 -
 .../pelletier/go-toml/CONTRIBUTING.md         |  132 ++
 .../github.com/pelletier/go-toml/Dockerfile   |   11 +
 vendor/github.com/pelletier/go-toml/LICENSE   |  228 ++-
 vendor/github.com/pelletier/go-toml/Makefile  |   29 +
 .../go-toml/PULL_REQUEST_TEMPLATE.md          |    5 +
 vendor/github.com/pelletier/go-toml/README.md |   79 +-
 .../pelletier/go-toml/azure-pipelines.yml     |  188 +++
 .../pelletier/go-toml/benchmark.json          |  164 --
 .../github.com/pelletier/go-toml/benchmark.sh |    9 +-
 .../pelletier/go-toml/benchmark.toml          |  244 ---
 .../pelletier/go-toml/benchmark.yml           |  121 --
 vendor/github.com/pelletier/go-toml/doc.go    |    2 +-
 .../pelletier/go-toml/example-crlf.toml       |    1 +
 .../github.com/pelletier/go-toml/example.toml |    1 +
 vendor/github.com/pelletier/go-toml/go.mod    |    3 +
 .../pelletier/go-toml/keysparsing.go          |  139 +-
 vendor/github.com/pelletier/go-toml/lexer.go  |  409 ++++-
 .../github.com/pelletier/go-toml/localtime.go |  287 ++++
 .../github.com/pelletier/go-toml/marshal.go   |  931 +++++++++--
 .../go-toml/marshal_OrderPreserve_test.toml   |   39 +
 .../pelletier/go-toml/marshal_test.toml       |    1 +
 vendor/github.com/pelletier/go-toml/parser.go |  144 +-
 vendor/github.com/pelletier/go-toml/test.sh   |   88 -
 vendor/github.com/pelletier/go-toml/token.go  |   26 +-
 vendor/github.com/pelletier/go-toml/toml.go   |  260 ++-
 .../github.com/pelletier/go-toml/tomlpub.go   |   71 +
 .../pelletier/go-toml/tomltree_create.go      |   13 +
 .../pelletier/go-toml/tomltree_write.go       |  411 +++--
 .../pelletier/go-toml/tomltree_writepub.go    |    6 +
 vendor/github.com/spf13/afero/.gitignore      |    2 +
 vendor/github.com/spf13/afero/.travis.yml     |   47 +-
 vendor/github.com/spf13/afero/README.md       |   42 +-
 vendor/github.com/spf13/afero/afero.go        |    5 +-
 vendor/github.com/spf13/afero/appveyor.yml    |    4 +-
 vendor/github.com/spf13/afero/basepath.go     |   33 +-
 .../github.com/spf13/afero/cacheOnReadFs.go   |   21 +
 vendor/github.com/spf13/afero/const_bsds.go   |    2 +-
 .../github.com/spf13/afero/const_win_unix.go  |    1 +
 .../github.com/spf13/afero/copyOnWriteFs.go   |   35 +-
 vendor/github.com/spf13/afero/go.mod          |    8 +-
 vendor/github.com/spf13/afero/go.sum          |   27 +
 vendor/github.com/spf13/afero/httpFs.go       |    4 +
 vendor/github.com/spf13/afero/iofs.go         |  288 ++++
 vendor/github.com/spf13/afero/ioutil.go       |   32 +-
 vendor/github.com/spf13/afero/match.go        |    2 +-
 vendor/github.com/spf13/afero/mem/file.go     |   39 +-
 vendor/github.com/spf13/afero/memmap.go       |   75 +-
 vendor/github.com/spf13/afero/os.go           |   12 +
 vendor/github.com/spf13/afero/readonlyfs.go   |   16 +
 vendor/github.com/spf13/afero/regexpfs.go     |   10 +
 vendor/github.com/spf13/afero/symlink.go      |   55 +
 vendor/github.com/spf13/afero/unionFile.go    |   17 +-
 vendor/github.com/spf13/cast/.travis.yml      |    1 +
 vendor/github.com/spf13/cast/Makefile         |    4 +-
 vendor/github.com/spf13/cast/caste.go         |   10 +-
 vendor/github.com/spf13/cobra/.golangci.yml   |   48 +
 vendor/github.com/spf13/cobra/.travis.yml     |   29 -
 vendor/github.com/spf13/cobra/CHANGELOG.md    |   35 +-
 vendor/github.com/spf13/cobra/CONDUCT.md      |   37 +
 vendor/github.com/spf13/cobra/Makefile        |   18 +-
 vendor/github.com/spf13/cobra/README.md       |  675 +-------
 .../spf13/cobra/bash_completions.go           |  139 +-
 .../spf13/cobra/bash_completions.md           |    4 +-
 .../spf13/cobra/bash_completionsV2.go         |  302 ++++
 vendor/github.com/spf13/cobra/cobra.go        |   15 +
 vendor/github.com/spf13/cobra/command.go      |  146 +-
 .../{custom_completions.go => completions.go} |  270 +++-
 .../spf13/cobra/fish_completions.go           |  182 ++-
 vendor/github.com/spf13/cobra/go.mod          |    7 +-
 vendor/github.com/spf13/cobra/go.sum          |  463 ++++--
 .../spf13/cobra/powershell_completions.go     |  319 +++-
 .../spf13/cobra/powershell_completions.md     |   15 +-
 .../spf13/cobra/projects_using_cobra.md       |    3 +
 .../spf13/cobra/shell_completions.md          |  186 ++-
 vendor/github.com/spf13/cobra/user_guide.md   |  637 ++++++++
 .../github.com/spf13/cobra/zsh_completions.go |   56 +-
 .../spf13/jwalterweatherman/.gitignore        |    2 +
 .../jwalterweatherman/default_notepad.go      |   30 +-
 .../github.com/spf13/jwalterweatherman/go.mod |    6 +
 .../spf13/jwalterweatherman/log_counter.go    |   51 +-
 .../spf13/jwalterweatherman/notepad.go        |   57 +-
 vendor/github.com/spf13/viper/.golangci.yml   |  104 +-
 vendor/github.com/spf13/viper/Makefile        |    6 +-
 vendor/github.com/spf13/viper/README.md       |  127 +-
 .../github.com/spf13/viper/TROUBLESHOOTING.md |   23 +
 vendor/github.com/spf13/viper/go.mod          |   43 +-
 vendor/github.com/spf13/viper/go.sum          |  550 +++++--
 vendor/github.com/spf13/viper/util.go         |   13 +-
 vendor/github.com/spf13/viper/viper.go        |  260 ++-
 vendor/github.com/spf13/viper/watch.go        |   11 +
 vendor/github.com/spf13/viper/watch_wasm.go   |   30 +
 vendor/go.opencensus.io/.travis.yml           |   17 -
 vendor/go.opencensus.io/Makefile              |   27 +-
 vendor/go.opencensus.io/go.mod                |   15 +-
 vendor/go.opencensus.io/go.sum                |   82 +-
 vendor/go.opencensus.io/trace/basetypes.go    |   10 +
 vendor/go.opencensus.io/trace/lrumap.go       |    2 +-
 vendor/go.opencensus.io/trace/spanstore.go    |   14 +-
 vendor/go.opencensus.io/trace/trace.go        |  187 ++-
 vendor/go.opencensus.io/trace/trace_api.go    |  265 +++
 vendor/golang.org/x/oauth2/README.md          |   10 +-
 vendor/golang.org/x/oauth2/go.mod             |    7 +-
 vendor/golang.org/x/oauth2/go.sum             |  359 ++++-
 .../x/oauth2/internal/client_appengine.go     |    1 +
 vendor/google.golang.org/grpc/.travis.yml     |   18 +-
 vendor/google.golang.org/grpc/CONTRIBUTING.md |    1 -
 vendor/google.golang.org/grpc/Makefile        |   31 +-
 vendor/google.golang.org/grpc/README.md       |  136 +-
 vendor/google.golang.org/grpc/SECURITY.md     |    3 +
 .../grpc/attributes/attributes.go             |   11 +-
 vendor/google.golang.org/grpc/backoff.go      |    5 +-
 vendor/google.golang.org/grpc/balancer.go     |  391 -----
 .../grpc/balancer/balancer.go                 |  174 +-
 .../grpc/balancer/base/balancer.go            |  204 ++-
 .../grpc/balancer/base/base.go                |   28 +-
 .../grpc/balancer/grpclb/state/state.go       |   51 +
 .../grpc/balancer/roundrobin/roundrobin.go    |   10 +-
 .../grpc/balancer_conn_wrappers.go            |   45 +-
 .../grpc/balancer_v1_wrapper.go               |  334 ----
 .../grpc_binarylog_v1/binarylog.pb.go         | 1417 ++++++++++-------
 vendor/google.golang.org/grpc/clientconn.go   |  276 ++--
 vendor/google.golang.org/grpc/codes/codes.go  |   46 +
 .../grpc/connectivity/connectivity.go         |   16 +-
 .../grpc/credentials/credentials.go           |   83 +-
 .../google.golang.org/grpc/credentials/tls.go |   86 +-
 vendor/google.golang.org/grpc/dialoptions.go  |  134 +-
 vendor/google.golang.org/grpc/doc.go          |    2 +
 .../grpc/encoding/encoding.go                 |   12 +-
 .../grpc/encoding/proto/proto.go              |   70 +-
 vendor/google.golang.org/grpc/go.mod          |   13 +-
 vendor/google.golang.org/grpc/go.sum          |   53 +-
 .../grpc/grpclog/component.go                 |  117 ++
 .../google.golang.org/grpc/grpclog/grpclog.go |   42 +-
 .../google.golang.org/grpc/grpclog/logger.go  |    4 +-
 .../grpc/grpclog/loggerv2.go                  |   28 +-
 vendor/google.golang.org/grpc/install_gae.sh  |    2 +-
 vendor/google.golang.org/grpc/interceptor.go  |   36 +-
 .../grpc/internal/binarylog/binarylog.go      |    7 +-
 .../grpc/internal/binarylog/env_config.go     |    4 +-
 .../grpc/internal/binarylog/method_logger.go  |   15 +-
 .../grpc/internal/binarylog/regenerate.sh     |   33 -
 .../grpc/internal/binarylog/sink.go           |   71 +-
 .../grpc/internal/binarylog/util.go           |   41 -
 .../grpc/internal/channelz/funcs.go           |   18 +-
 .../grpc/internal/channelz/logging.go         |  102 ++
 .../grpc/internal/channelz/types.go           |   33 +-
 .../grpc/internal/channelz/types_nonlinux.go  |    4 +-
 .../grpc/internal/credentials/credentials.go  |   49 +
 .../grpc/internal/credentials/spiffe.go       |   77 +
 .../spiffe_appengine.go}                      |   35 +-
 .../credentials}/syscallconn.go               |    3 +-
 .../credentials}/syscallconn_appengine.go     |    2 +-
 .../grpc/internal/credentials/util.go         |   50 +
 .../grpc/internal/envconfig/envconfig.go      |    2 +-
 .../grpc/internal/grpclog/grpclog.go          |  126 ++
 .../grpc/internal/grpclog/prefixLogger.go     |   81 +
 .../grpc/internal/grpcutil/encode_duration.go |   63 +
 .../grpc/internal/grpcutil/metadata.go        |   40 +
 .../grpc/internal/grpcutil/method.go          |   84 +
 .../grpc/internal/grpcutil/target.go          |   89 ++
 .../grpc/internal/internal.go                 |   32 +-
 .../grpc/internal/metadata/metadata.go        |   50 +
 .../grpc/internal/resolver/config_selector.go |  164 ++
 .../internal/resolver/dns/dns_resolver.go     |   64 +-
 .../grpc/internal/resolver/unix/unix.go       |   63 +
 .../internal/serviceconfig/serviceconfig.go   |  178 +++
 .../grpc/internal/status/status.go            |  162 ++
 .../grpc/internal/syscall/syscall_linux.go    |   26 +-
 .../grpc/internal/syscall/syscall_nonlinux.go |    7 +-
 .../grpc/internal/transport/controlbuf.go     |  108 +-
 .../grpc/internal/transport/handler_server.go |   80 +-
 .../grpc/internal/transport/http2_client.go   |  238 ++-
 .../grpc/internal/transport/http2_server.go   |  129 +-
 .../grpc/internal/transport/http_util.go      |  139 +-
 .../transport/networktype/networktype.go      |   46 +
 .../grpc/{ => internal/transport}/proxy.go    |   52 +-
 .../grpc/internal/transport/transport.go      |   26 +-
 .../grpc/internal/xds_handshake_cluster.go    |   40 +
 .../grpc/metadata/metadata.go                 |   26 +-
 .../grpc/naming/dns_resolver.go               |  293 ----
 .../google.golang.org/grpc/naming/naming.go   |   68 -
 .../google.golang.org/grpc/picker_wrapper.go  |   76 +-
 vendor/google.golang.org/grpc/pickfirst.go    |   53 +-
 vendor/google.golang.org/grpc/preloader.go    |    5 +-
 vendor/google.golang.org/grpc/regenerate.sh   |  119 ++
 .../grpc/resolver/resolver.go                 |   13 +-
 .../grpc/resolver_conn_wrapper.go             |  120 +-
 vendor/google.golang.org/grpc/rpc_util.go     |  208 +--
 vendor/google.golang.org/grpc/server.go       |  506 ++++--
 .../google.golang.org/grpc/service_config.go  |  206 +--
 .../grpc/serviceconfig/serviceconfig.go       |    5 +-
 vendor/google.golang.org/grpc/stats/stats.go  |   21 +-
 .../google.golang.org/grpc/status/status.go   |  127 +-
 vendor/google.golang.org/grpc/stream.go       |  151 +-
 vendor/google.golang.org/grpc/tap/tap.go      |   23 +-
 vendor/google.golang.org/grpc/version.go      |    2 +-
 vendor/google.golang.org/grpc/vet.sh          |  152 +-
 vendor/gopkg.in/ini.v1/.travis.yml            |   20 -
 vendor/gopkg.in/ini.v1/Makefile               |    2 +-
 vendor/gopkg.in/ini.v1/README.md              |    8 +-
 vendor/gopkg.in/ini.v1/codecov.yml            |    9 +
 vendor/gopkg.in/ini.v1/data_source.go         |    2 +
 vendor/gopkg.in/ini.v1/file.go                |  173 +-
 vendor/gopkg.in/ini.v1/ini.go                 |   24 +-
 vendor/gopkg.in/ini.v1/key.go                 |  120 +-
 vendor/gopkg.in/ini.v1/parser.go              |   25 +-
 vendor/gopkg.in/ini.v1/section.go             |   14 +-
 vendor/gopkg.in/ini.v1/struct.go              |  238 ++-
 vendor/modules.txt                            |   43 +-
 238 files changed, 14283 insertions(+), 6943 deletions(-)
 create mode 100644 npm/cmd/const.go
 create mode 100644 npm/cmd/convertIPtable.go
 create mode 100644 npm/cmd/debugCmd.go
 create mode 100644 npm/cmd/getTuples.go
 create mode 100644 npm/cmd/parseIPtable.go
 create mode 100644 npm/cmd/root.go
 rename vendor/github.com/magiconair/properties/{LICENSE => LICENSE.md} (84%)
 delete mode 100644 vendor/github.com/mitchellh/mapstructure/.travis.yml
 create mode 100644 vendor/github.com/pelletier/go-toml/.dockerignore
 delete mode 100644 vendor/github.com/pelletier/go-toml/.travis.yml
 create mode 100644 vendor/github.com/pelletier/go-toml/CONTRIBUTING.md
 create mode 100644 vendor/github.com/pelletier/go-toml/Dockerfile
 create mode 100644 vendor/github.com/pelletier/go-toml/Makefile
 create mode 100644 vendor/github.com/pelletier/go-toml/PULL_REQUEST_TEMPLATE.md
 create mode 100644 vendor/github.com/pelletier/go-toml/azure-pipelines.yml
 delete mode 100644 vendor/github.com/pelletier/go-toml/benchmark.json
 delete mode 100644 vendor/github.com/pelletier/go-toml/benchmark.toml
 delete mode 100644 vendor/github.com/pelletier/go-toml/benchmark.yml
 create mode 100644 vendor/github.com/pelletier/go-toml/go.mod
 create mode 100644 vendor/github.com/pelletier/go-toml/localtime.go
 create mode 100644 vendor/github.com/pelletier/go-toml/marshal_OrderPreserve_test.toml
 delete mode 100644 vendor/github.com/pelletier/go-toml/test.sh
 create mode 100644 vendor/github.com/pelletier/go-toml/tomlpub.go
 create mode 100644 vendor/github.com/pelletier/go-toml/tomltree_writepub.go
 create mode 100644 vendor/github.com/spf13/afero/.gitignore
 create mode 100644 vendor/github.com/spf13/afero/iofs.go
 create mode 100644 vendor/github.com/spf13/afero/symlink.go
 create mode 100644 vendor/github.com/spf13/cobra/.golangci.yml
 delete mode 100644 vendor/github.com/spf13/cobra/.travis.yml
 create mode 100644 vendor/github.com/spf13/cobra/CONDUCT.md
 create mode 100644 vendor/github.com/spf13/cobra/bash_completionsV2.go
 rename vendor/github.com/spf13/cobra/{custom_completions.go => completions.go} (70%)
 create mode 100644 vendor/github.com/spf13/cobra/user_guide.md
 create mode 100644 vendor/github.com/spf13/viper/TROUBLESHOOTING.md
 create mode 100644 vendor/github.com/spf13/viper/watch.go
 create mode 100644 vendor/github.com/spf13/viper/watch_wasm.go
 delete mode 100644 vendor/go.opencensus.io/.travis.yml
 create mode 100644 vendor/go.opencensus.io/trace/trace_api.go
 create mode 100644 vendor/google.golang.org/grpc/SECURITY.md
 delete mode 100644 vendor/google.golang.org/grpc/balancer.go
 create mode 100644 vendor/google.golang.org/grpc/balancer/grpclb/state/state.go
 delete mode 100644 vendor/google.golang.org/grpc/balancer_v1_wrapper.go
 create mode 100644 vendor/google.golang.org/grpc/grpclog/component.go
 delete mode 100644 vendor/google.golang.org/grpc/internal/binarylog/regenerate.sh
 delete mode 100644 vendor/google.golang.org/grpc/internal/binarylog/util.go
 create mode 100644 vendor/google.golang.org/grpc/internal/channelz/logging.go
 create mode 100644 vendor/google.golang.org/grpc/internal/credentials/credentials.go
 create mode 100644 vendor/google.golang.org/grpc/internal/credentials/spiffe.go
 rename vendor/google.golang.org/grpc/internal/{transport/log.go => credentials/spiffe_appengine.go} (50%)
 rename vendor/google.golang.org/grpc/{credentials/internal => internal/credentials}/syscallconn.go (96%)
 rename vendor/google.golang.org/grpc/{credentials/internal => internal/credentials}/syscallconn_appengine.go (97%)
 create mode 100644 vendor/google.golang.org/grpc/internal/credentials/util.go
 create mode 100644 vendor/google.golang.org/grpc/internal/grpclog/grpclog.go
 create mode 100644 vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go
 create mode 100644 vendor/google.golang.org/grpc/internal/grpcutil/encode_duration.go
 create mode 100644 vendor/google.golang.org/grpc/internal/grpcutil/metadata.go
 create mode 100644 vendor/google.golang.org/grpc/internal/grpcutil/method.go
 create mode 100644 vendor/google.golang.org/grpc/internal/grpcutil/target.go
 create mode 100644 vendor/google.golang.org/grpc/internal/metadata/metadata.go
 create mode 100644 vendor/google.golang.org/grpc/internal/resolver/config_selector.go
 create mode 100644 vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
 create mode 100644 vendor/google.golang.org/grpc/internal/serviceconfig/serviceconfig.go
 create mode 100644 vendor/google.golang.org/grpc/internal/status/status.go
 create mode 100644 vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go
 rename vendor/google.golang.org/grpc/{ => internal/transport}/proxy.go (73%)
 create mode 100644 vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go
 delete mode 100644 vendor/google.golang.org/grpc/naming/dns_resolver.go
 delete mode 100644 vendor/google.golang.org/grpc/naming/naming.go
 create mode 100644 vendor/google.golang.org/grpc/regenerate.sh
 delete mode 100644 vendor/gopkg.in/ini.v1/.travis.yml
 create mode 100644 vendor/gopkg.in/ini.v1/codecov.yml

diff --git a/go.mod b/go.mod
index 8fe5aeab8..a5ef01e5b 100644
--- a/go.mod
+++ b/go.mod
@@ -9,12 +9,13 @@ require (
 	github.com/Microsoft/hcsshim v0.8.10-0.20200506181021-222e9efadbe0
 	github.com/billgraziano/dpapi v0.3.0
 	github.com/containernetworking/cni v0.7.0-rc2
+	github.com/daixiang0/gci v0.2.9 // indirect
 	github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0 // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/libnetwork v0.8.0-dev.2.0.20210525090646-64b7a4574d14
 	github.com/go-critic/go-critic v0.5.7 // indirect
 	github.com/go-toolsmith/pkgload v1.0.1 // indirect
-	github.com/golang/mock v1.4.1
+	github.com/golang/mock v1.5.0
 	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.5
 	github.com/google/uuid v1.1.2
@@ -27,13 +28,14 @@ require (
 	github.com/nxadm/tail v1.4.8
 	github.com/onsi/ginkgo v1.16.4
 	github.com/onsi/gomega v1.14.0
+	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.11.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/quasilyte/regex/syntax v0.0.0-20200805063351-8f842688393c // indirect
 	github.com/rs/cors v1.8.0
-	github.com/spf13/cobra v1.1.1
+	github.com/spf13/cobra v1.2.1
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.7.0
+	github.com/spf13/viper v1.8.1
 	github.com/stretchr/testify v1.7.0
 	github.com/vishvananda/netlink v1.1.0 // indirect
 	github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f // indirect
@@ -41,7 +43,7 @@ require (
 	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
 	golang.org/x/term v0.0.0-20210503060354-a79de5458b56 // indirect
 	golang.org/x/tools v0.1.5 // indirect
-	google.golang.org/grpc v1.27.1
+	google.golang.org/grpc v1.38.0
 	google.golang.org/protobuf v1.26.0
 	k8s.io/api v0.21.3
 	k8s.io/apiextensions-apiserver v0.21.3
diff --git a/go.sum b/go.sum
index 53475762e..f7b0b64bc 100644
--- a/go.sum
+++ b/go.sum
@@ -255,6 +255,8 @@ github.com/d2g/dhcp4 v0.0.0-20170904100407-a1d1b6c41b1c/go.mod h1:Ct2BUK8SB0YC1S
 github.com/d2g/dhcp4client v1.0.0/go.mod h1:j0hNfjhrt2SxUOw55nL0ATM/z4Yt3t2Kd1mW34z5W5s=
 github.com/d2g/dhcp4server v0.0.0-20181031114812-7d4a0a7f59a5/go.mod h1:Eo87+Kg/IX2hfWJfwxMzLyuSZyxSoAug2nGa1G2QAi8=
 github.com/d2g/hardwareaddr v0.0.0-20190221164911-e7d9fbe030e4/go.mod h1:bMl4RjIciD2oAxI7DmWRx6gbeqrkoLqv3MV0vzNad+I=
+github.com/daixiang0/gci v0.2.9 h1:iwJvwQpBZmMg31w+QQ6jsyZ54KEATn6/nfARbBNW294=
+github.com/daixiang0/gci v0.2.9/go.mod h1:+4dZ7TISfSmqfAGv59ePaHfNzgGtIkHAhhdKggP1JAc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -399,6 +401,7 @@ github.com/golang/mock v1.4.1 h1:ocYkMQY5RrXTYgXl7ICpV0IXwlEQGwKIsery4gyXa1U=
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
+github.com/golang/mock v1.5.0 h1:jlYHihg//f7RRwuPfptm04yp4s7O6Kw8EZiVYIGcH0g=
 github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
 github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
@@ -765,6 +768,7 @@ github.com/spf13/afero v1.6.0 h1:xoax2sJ2DT8S8xA2paPFjDCScCNeWsg75VG0DLRreiY=
 github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cast v1.4.0 h1:WhlbjwB9EGCc8W5Rxdkus+wmH2ASRwwTJk6tgHKwdqQ=
 github.com/spf13/cast v1.4.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@@ -996,6 +1000,7 @@ golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602 h1:0Ja1LBD+yisY6RWM/BH7TJVXWsSjs2VwBSmvSX4HdBc=
 golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914 h1:3B43BWw0xEBsLZ/NO1VALz6fppU3481pik+2Ksv45z8=
@@ -1174,6 +1179,7 @@ golang.org/x/tools v0.0.0-20200812195022-5ae4c3c160a0/go.mod h1:njjCfa9FT2d7l9Bc
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
 golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20201118003311-bd56c0adb394/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201230224404-63754364767c/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
@@ -1270,6 +1276,7 @@ google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/genproto v0.0.0-20210729151513-df9385d47c1b h1:4xoALQmXxqVdDdLimpPyPeDdsJzo+nFTJw9euAMpqgM=
 google.golang.org/genproto v0.0.0-20210729151513-df9385d47c1b/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
@@ -1297,6 +1304,7 @@ google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA5
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.39.0 h1:Klz8I9kdtkIN6EpHHUOMLCYhTn/2WAe5a0s1hcBkdTI=
 google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
diff --git a/npm/cmd/const.go b/npm/cmd/const.go
new file mode 100644
index 000000000..c72144672
--- /dev/null
+++ b/npm/cmd/const.go
@@ -0,0 +1,8 @@
+package cmd
+
+import "errors"
+
+var (
+	errSrcNotSpecified = errors.New("source not specified")
+	errDstNotSpecified = errors.New("destination not specified")
+)
diff --git a/npm/cmd/convertIPtable.go b/npm/cmd/convertIPtable.go
new file mode 100644
index 000000000..ab150ccce
--- /dev/null
+++ b/npm/cmd/convertIPtable.go
@@ -0,0 +1,43 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/Azure/azure-container-networking/npm/debugTools/dataplane"
+	"github.com/spf13/cobra"
+)
+
+// convertIptableCmd represents the convertIptable command
+var convertIPtableCmd = &cobra.Command{
+	Use:   "convertiptable",
+	Short: "Get list of iptable's rules in JSON format",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		iptableName, _ := cmd.Flags().GetString("table")
+		if iptableName == "" {
+			iptableName = "filter"
+		}
+		npmCacheF, _ := cmd.Flags().GetString("npmF")
+		iptableSaveF, _ := cmd.Flags().GetString("iptF")
+		c := &dataplane.Converter{}
+		if npmCacheF == "" && iptableSaveF == "" {
+			ipTableRulesRes, err := c.GetJSONRulesFromIptables(iptableName)
+			if err != nil {
+				return fmt.Errorf("%w", err)
+			}
+			fmt.Printf("%s\n", ipTableRulesRes)
+		} else {
+			ipTableRulesRes, err := c.GetJSONRulesFromIptableFile(iptableName, npmCacheF, iptableSaveF)
+			if err != nil {
+				return fmt.Errorf("%w", err)
+			}
+			fmt.Printf("%s\n", ipTableRulesRes)
+		}
+		return nil
+	},
+}
+
+func init() {
+	debugCmd.AddCommand(convertIPtableCmd)
+	convertIPtableCmd.Flags().StringP("iptF", "i", "", "Set the iptable-save file path (optional)")
+	convertIPtableCmd.Flags().StringP("npmF", "n", "", "Set the NPM cache file path (optional)")
+}
diff --git a/npm/cmd/debugCmd.go b/npm/cmd/debugCmd.go
new file mode 100644
index 000000000..3cef319c4
--- /dev/null
+++ b/npm/cmd/debugCmd.go
@@ -0,0 +1,15 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+// convertIptableCmd represents the convertIptable command
+var debugCmd = &cobra.Command{
+	Use:   "debug",
+	Short: "Debug mode",
+}
+
+func init() {
+	rootCmd.AddCommand(debugCmd)
+}
diff --git a/npm/cmd/getTuples.go b/npm/cmd/getTuples.go
new file mode 100644
index 000000000..6c41491b1
--- /dev/null
+++ b/npm/cmd/getTuples.go
@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/Azure/azure-container-networking/npm/debugTools/dataplane"
+	"github.com/spf13/cobra"
+)
+
+// getTuplesCmd represents the getTuples command
+var getTuplesCmd = &cobra.Command{
+	Use:   "gettuples",
+	Short: "Get a list of hit rule tuples between specified source and destination",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		src, _ := cmd.Flags().GetString("src")
+		if src == "" {
+			return fmt.Errorf("%w", errSrcNotSpecified)
+		}
+		dst, _ := cmd.Flags().GetString("dst")
+		if dst == "" {
+			return fmt.Errorf("%w", errDstNotSpecified)
+		}
+		npmCacheF, _ := cmd.Flags().GetString("npmF")
+		iptableSaveF, _ := cmd.Flags().GetString("iptF")
+		srcType := dataplane.GetInputType(src)
+		dstType := dataplane.GetInputType(dst)
+		srcInput := &dataplane.Input{Content: src, Type: srcType}
+		dstInput := &dataplane.Input{Content: dst, Type: dstType}
+		if npmCacheF == "" || iptableSaveF == "" {
+			_, tuples, err := dataplane.GetNetworkTuple(srcInput, dstInput)
+			if err != nil {
+				return fmt.Errorf("%w", err)
+			}
+			for _, tuple := range tuples {
+				fmt.Printf("%+v\n", tuple)
+			}
+		} else {
+			_, tuples, err := dataplane.GetNetworkTupleFile(srcInput, dstInput, npmCacheF, iptableSaveF)
+			if err != nil {
+				return fmt.Errorf("%w", err)
+			}
+			for _, tuple := range tuples {
+				fmt.Printf("%+v\n", tuple)
+			}
+		}
+
+		return nil
+	},
+}
+
+func init() {
+	debugCmd.AddCommand(getTuplesCmd)
+	getTuplesCmd.Flags().StringP("src", "s", "", "set the source")
+	getTuplesCmd.Flags().StringP("dst", "d", "", "set the destination")
+	getTuplesCmd.Flags().StringP("iptF", "i", "", "Set the iptable-save file path (optional)")
+	getTuplesCmd.Flags().StringP("npmF", "n", "", "Set the NPM cache file path (optional)")
+}
diff --git a/npm/cmd/parseIPtable.go b/npm/cmd/parseIPtable.go
new file mode 100644
index 000000000..8dd6a25db
--- /dev/null
+++ b/npm/cmd/parseIPtable.go
@@ -0,0 +1,37 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/Azure/azure-container-networking/npm/debugTools/dataplane/parse"
+	"github.com/spf13/cobra"
+)
+
+// parseIPtableCmd represents the parseIPtable command
+var parseIPtableCmd = &cobra.Command{
+	Use:   "parseiptable",
+	Short: "Parse iptable into Go object, dumping it to the console",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		iptableSaveF, _ := cmd.Flags().GetString("iptF")
+		if iptableSaveF == "" {
+			iptable, err := parse.Iptables("filter")
+			if err != nil {
+				return fmt.Errorf("%w", err)
+			}
+			fmt.Println(iptable.String())
+		} else {
+			iptable, err := parse.IptablesFile("filter", iptableSaveF)
+			if err != nil {
+				return fmt.Errorf("%w", err)
+			}
+			fmt.Println(iptable.String())
+		}
+
+		return nil
+	},
+}
+
+func init() {
+	debugCmd.AddCommand(parseIPtableCmd)
+	parseIPtableCmd.Flags().StringP("iptF", "i", "", "Set the iptable-save file path (optional)")
+}
diff --git a/npm/cmd/root.go b/npm/cmd/root.go
new file mode 100644
index 000000000..3f397258b
--- /dev/null
+++ b/npm/cmd/root.go
@@ -0,0 +1,53 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "azure-npm",
+	Short: "Collection of functions related to Azure NPM's debugging tools",
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	cobra.CheckErr(rootCmd.Execute())
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	rootCmd.Flags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.azure-npm-debug-cli.yaml)")
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	} else {
+		// Find home directory.
+		home, err := os.UserHomeDir()
+		cobra.CheckErr(err)
+
+		// Search config in home directory with name ".azure-npm-debug-cli" (without extension).
+		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
+		viper.SetConfigName(".azure-npm-debug-cli")
+	}
+
+	viper.AutomaticEnv() // read in environment variables that match
+
+	// If a config file is found, read it in.
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
+	}
+}
diff --git a/npm/debugTools/dataplane/trafficAnalyzer.go b/npm/debugTools/dataplane/trafficAnalyzer.go
index 7aa37aa56..693185415 100644
--- a/npm/debugTools/dataplane/trafficAnalyzer.go
+++ b/npm/debugTools/dataplane/trafficAnalyzer.go
@@ -132,7 +132,10 @@ func getNetworkTupleCommon(
 func getNPMPod(input *Input, npmCache *NPMCache) (*npm.NpmPod, error) {
 	switch input.Type {
 	case PODNAME:
-		return npmCache.PodMap[input.Content], nil
+		if pod, ok := npmCache.PodMap[input.Content]; ok {
+			return pod, nil
+		}
+		return nil, errInvalidInput
 	case IPADDRS:
 		if pod, ok := ipPodMap[input.Content]; ok {
 			return pod, nil
@@ -397,15 +400,14 @@ func matchCIDRBLOCKS(pod *npm.NpmPod, setInfo *pb.RuleResponse_SetInfo) bool {
 	for _, entry := range setInfo.Contents {
 		entrySplitted := strings.Split(entry, " ")
 		if len(entrySplitted) > 1 { // nomatch condition. i.e [172.17.1.0/24 nomatch]
-			_, ipnet, _ := net.ParseCIDR(entrySplitted[0])
+			_, ipnet, _ := net.ParseCIDR(strings.TrimSpace(entrySplitted[0]))
 			podIP := net.ParseIP(pod.PodIP)
-
 			if ipnet.Contains(podIP) {
 				matched = false
 				break
 			}
 		} else {
-			_, ipnet, _ := net.ParseCIDR(entrySplitted[0])
+			_, ipnet, _ := net.ParseCIDR(strings.TrimSpace(entrySplitted[0]))
 			podIP := net.ParseIP(pod.PodIP)
 			if ipnet.Contains(podIP) {
 				matched = true
diff --git a/npm/plugin/main.go b/npm/plugin/main.go
index 4634f3c54..17448b524 100644
--- a/npm/plugin/main.go
+++ b/npm/plugin/main.go
@@ -3,11 +3,14 @@
 package main
 
 import (
+	"fmt"
 	"math/rand"
+	"os"
 	"time"
 
 	"github.com/Azure/azure-container-networking/log"
 	"github.com/Azure/azure-container-networking/npm"
+	"github.com/Azure/azure-container-networking/npm/cmd"
 	restserver "github.com/Azure/azure-container-networking/npm/http/server"
 	"github.com/Azure/azure-container-networking/npm/metrics"
 	"k8s.io/apimachinery/pkg/util/wait"
@@ -19,8 +22,8 @@ import (
 )
 
 const (
-	waitForTelemetryInSeconds = 60
-	resyncPeriodInMinutes     = 15
+	// waitForTelemetryInSeconds = 60 unused
+	resyncPeriodInMinutes = 15
 )
 
 // Version is populated by make during build.
@@ -31,13 +34,19 @@ func initLogging() error {
 	log.SetLevel(log.LevelInfo)
 	if err := log.SetTargetLogDirectory(log.TargetStdout, ""); err != nil {
 		log.Logf("Failed to configure logging, err:%v.", err)
-		return err
+		return fmt.Errorf("%w", err)
 	}
 
 	return nil
 }
 
 func main() {
+	if len(os.Args) > 1 {
+		// Cobra will handle invalid command, will prompt user to run `--help` for usage
+		cmd.Execute()
+		return
+	}
+
 	klog.Infof("Start NPM version: %s", version)
 
 	var err error
@@ -77,7 +86,11 @@ func main() {
 	factory := informers.NewSharedInformerFactory(clientset, resyncPeriod)
 
 	npMgr := npm.NewNetworkPolicyManager(clientset, factory, exec.New(), version)
-	metrics.CreateTelemetryHandle(version, npm.GetAIMetadata())
+	err = metrics.CreateTelemetryHandle(version, npm.GetAIMetadata())
+	if err != nil {
+		klog.Infof("CreateTelemetryHandle failed with error %v.", err)
+		panic(err.Error())
+	}
 
 	restserver := restserver.NewNpmRestServer(restserver.DefaultHTTPListeningAddress)
 	go restserver.NPMRestServerListenAndServe(npMgr)
diff --git a/vendor/github.com/golang/mock/gomock/call.go b/vendor/github.com/golang/mock/gomock/call.go
index 7345f6540..b18cc2d61 100644
--- a/vendor/github.com/golang/mock/gomock/call.go
+++ b/vendor/github.com/golang/mock/gomock/call.go
@@ -63,6 +63,9 @@ func newCall(t TestHelper, receiver interface{}, method string, methodType refle
 		}
 	}
 
+	// callerInfo's skip should be updated if the number of calls between the user's test
+	// and this line changes, i.e. this code is wrapped in another anonymous function.
+	// 0 is us, 1 is RecordCallWithMethodType(), 2 is the generated recorder, and 3 is the user's test.
 	origin := callerInfo(3)
 	actions := []func([]interface{}) []interface{}{func([]interface{}) []interface{} {
 		// Synthesize the zero value for each of the return args' types.
@@ -301,14 +304,9 @@ func (c *Call) matches(args []interface{}) error {
 
 		for i, m := range c.args {
 			if !m.Matches(args[i]) {
-				got := fmt.Sprintf("%v", args[i])
-				if gs, ok := m.(GotFormatter); ok {
-					got = gs.Got(args[i])
-				}
-
 				return fmt.Errorf(
 					"expected call at %s doesn't match the argument at index %d.\nGot: %v\nWant: %v",
-					c.origin, i, got, m,
+					c.origin, i, formatGottenArg(m, args[i]), m,
 				)
 			}
 		}
@@ -331,7 +329,7 @@ func (c *Call) matches(args []interface{}) error {
 				// Non-variadic args
 				if !m.Matches(args[i]) {
 					return fmt.Errorf("expected call at %s doesn't match the argument at index %s.\nGot: %v\nWant: %v",
-						c.origin, strconv.Itoa(i), args[i], m)
+						c.origin, strconv.Itoa(i), formatGottenArg(m, args[i]), m)
 				}
 				continue
 			}
@@ -373,9 +371,9 @@ func (c *Call) matches(args []interface{}) error {
 			// Got Foo(a, b, c, d) want Foo(matcherA, matcherB, matcherC, matcherD, matcherE)
 			// Got Foo(a, b, c, d, e) want Foo(matcherA, matcherB, matcherC, matcherD)
 			// Got Foo(a, b, c) want Foo(matcherA, matcherB)
-			return fmt.Errorf("Expected call at %s doesn't match the argument at index %s.\nGot: %v\nWant: %v",
-				c.origin, strconv.Itoa(i), args[i:], c.args[i])
 
+			return fmt.Errorf("expected call at %s doesn't match the argument at index %s.\nGot: %v\nWant: %v",
+				c.origin, strconv.Itoa(i), formatGottenArg(m, args[i:]), c.args[i])
 		}
 	}
 
@@ -425,3 +423,11 @@ func setSlice(arg interface{}, v reflect.Value) {
 func (c *Call) addAction(action func([]interface{}) []interface{}) {
 	c.actions = append(c.actions, action)
 }
+
+func formatGottenArg(m Matcher, arg interface{}) string {
+	got := fmt.Sprintf("%v", arg)
+	if gs, ok := m.(GotFormatter); ok {
+		got = gs.Got(arg)
+	}
+	return got
+}
diff --git a/vendor/github.com/golang/mock/gomock/callset.go b/vendor/github.com/golang/mock/gomock/callset.go
index b046b525e..e4e85d602 100644
--- a/vendor/github.com/golang/mock/gomock/callset.go
+++ b/vendor/github.com/golang/mock/gomock/callset.go
@@ -84,7 +84,11 @@ func (cs callSet) FindMatch(receiver interface{}, method string, args []interfac
 	for _, call := range exhausted {
 		if err := call.matches(args); err != nil {
 			_, _ = fmt.Fprintf(&callsErrors, "\n%v", err)
+			continue
 		}
+		_, _ = fmt.Fprintf(
+			&callsErrors, "all expected calls for method %q have been exhausted", method,
+		)
 	}
 
 	if len(expected)+len(exhausted) == 0 {
diff --git a/vendor/github.com/golang/mock/gomock/controller.go b/vendor/github.com/golang/mock/gomock/controller.go
index d7c3c656a..3b6569091 100644
--- a/vendor/github.com/golang/mock/gomock/controller.go
+++ b/vendor/github.com/golang/mock/gomock/controller.go
@@ -50,9 +50,6 @@
 //         mockObj.EXPECT().SomeMethod(2, "second"),
 //         mockObj.EXPECT().SomeMethod(3, "third"),
 //     )
-//
-// TODO:
-//	- Handle different argument/return types (e.g. ..., chan, map, interface).
 package gomock
 
 import (
@@ -77,6 +74,15 @@ type TestHelper interface {
 	Helper()
 }
 
+// cleanuper is used to check if TestHelper also has the `Cleanup` method. A
+// common pattern is to pass in a `*testing.T` to
+// `NewController(t TestReporter)`. In Go 1.14+, `*testing.T` has a cleanup
+// method. This can be utilized to call `Finish()` so the caller of this library
+// does not have to.
+type cleanuper interface {
+	Cleanup(func())
+}
+
 // A Controller represents the top-level control of a mock ecosystem.  It
 // defines the scope and lifetime of mock objects, as well as their
 // expectations.  It is safe to call Controller's methods from multiple
@@ -115,29 +121,43 @@ type Controller struct {
 
 // NewController returns a new Controller. It is the preferred way to create a
 // Controller.
+//
+// New in go1.14+, if you are passing a *testing.T into this function you no
+// longer need to call ctrl.Finish() in your test methods
 func NewController(t TestReporter) *Controller {
 	h, ok := t.(TestHelper)
 	if !ok {
-		h = nopTestHelper{t}
+		h = &nopTestHelper{t}
 	}
-
-	return &Controller{
+	ctrl := &Controller{
 		T:             h,
 		expectedCalls: newCallSet(),
 	}
+	if c, ok := isCleanuper(ctrl.T); ok {
+		c.Cleanup(func() {
+			ctrl.T.Helper()
+			ctrl.finish(true, nil)
+		})
+	}
+
+	return ctrl
 }
 
 type cancelReporter struct {
-	TestHelper
+	t      TestHelper
 	cancel func()
 }
 
 func (r *cancelReporter) Errorf(format string, args ...interface{}) {
-	r.TestHelper.Errorf(format, args...)
+	r.t.Errorf(format, args...)
 }
 func (r *cancelReporter) Fatalf(format string, args ...interface{}) {
 	defer r.cancel()
-	r.TestHelper.Fatalf(format, args...)
+	r.t.Fatalf(format, args...)
+}
+
+func (r *cancelReporter) Helper() {
+	r.t.Helper()
 }
 
 // WithContext returns a new Controller and a Context, which is cancelled on any
@@ -145,15 +165,22 @@ func (r *cancelReporter) Fatalf(format string, args ...interface{}) {
 func WithContext(ctx context.Context, t TestReporter) (*Controller, context.Context) {
 	h, ok := t.(TestHelper)
 	if !ok {
-		h = nopTestHelper{t}
+		h = &nopTestHelper{t: t}
 	}
 
 	ctx, cancel := context.WithCancel(ctx)
-	return NewController(&cancelReporter{h, cancel}), ctx
+	return NewController(&cancelReporter{t: h, cancel: cancel}), ctx
 }
 
 type nopTestHelper struct {
-	TestReporter
+	t TestReporter
+}
+
+func (h *nopTestHelper) Errorf(format string, args ...interface{}) {
+	h.t.Errorf(format, args...)
+}
+func (h *nopTestHelper) Fatalf(format string, args ...interface{}) {
+	h.t.Fatalf(format, args...)
 }
 
 func (h nopTestHelper) Helper() {}
@@ -197,7 +224,10 @@ func (ctrl *Controller) Call(receiver interface{}, method string, args ...interf
 
 		expected, err := ctrl.expectedCalls.FindMatch(receiver, method, args)
 		if err != nil {
-			origin := callerInfo(2)
+			// callerInfo's skip should be updated if the number of calls between the user's test
+			// and this line changes, i.e. this code is wrapped in another anonymous function.
+			// 0 is us, 1 is controller.Call(), 2 is the generated mock, and 3 is the user's test.
+			origin := callerInfo(3)
 			ctrl.T.Fatalf("Unexpected call to %T.%v(%v) at %s because: %s", receiver, method, args, origin, err)
 		}
 
@@ -230,20 +260,29 @@ func (ctrl *Controller) Call(receiver interface{}, method string, args ...interf
 // were called. It should be invoked for each Controller. It is not idempotent
 // and therefore can only be invoked once.
 func (ctrl *Controller) Finish() {
+	// If we're currently panicking, probably because this is a deferred call.
+	// This must be recovered in the deferred function.
+	err := recover()
+	ctrl.finish(false, err)
+}
+
+func (ctrl *Controller) finish(cleanup bool, panicErr interface{}) {
 	ctrl.T.Helper()
 
 	ctrl.mu.Lock()
 	defer ctrl.mu.Unlock()
 
 	if ctrl.finished {
-		ctrl.T.Fatalf("Controller.Finish was called more than once. It has to be called exactly once.")
+		if _, ok := isCleanuper(ctrl.T); !ok {
+			ctrl.T.Fatalf("Controller.Finish was called more than once. It has to be called exactly once.")
+		}
+		return
 	}
 	ctrl.finished = true
 
-	// If we're currently panicking, probably because this is a deferred call,
-	// pass through the panic.
-	if err := recover(); err != nil {
-		panic(err)
+	// Short-circuit, pass through the panic.
+	if panicErr != nil {
+		panic(panicErr)
 	}
 
 	// Check that all remaining expected calls are satisfied.
@@ -252,13 +291,43 @@ func (ctrl *Controller) Finish() {
 		ctrl.T.Errorf("missing call(s) to %v", call)
 	}
 	if len(failures) != 0 {
-		ctrl.T.Fatalf("aborting test due to missing call(s)")
+		if !cleanup {
+			ctrl.T.Fatalf("aborting test due to missing call(s)")
+			return
+		}
+		ctrl.T.Errorf("aborting test due to missing call(s)")
 	}
 }
 
+// callerInfo returns the file:line of the call site. skip is the number
+// of stack frames to skip when reporting. 0 is callerInfo's call site.
 func callerInfo(skip int) string {
 	if _, file, line, ok := runtime.Caller(skip + 1); ok {
 		return fmt.Sprintf("%s:%d", file, line)
 	}
 	return "unknown file"
 }
+
+// isCleanuper checks it if t's base TestReporter has a Cleanup method.
+func isCleanuper(t TestReporter) (cleanuper, bool) {
+	tr := unwrapTestReporter(t)
+	c, ok := tr.(cleanuper)
+	return c, ok
+}
+
+// unwrapTestReporter unwraps TestReporter to the base implementation.
+func unwrapTestReporter(t TestReporter) TestReporter {
+	tr := t
+	switch nt := t.(type) {
+	case *cancelReporter:
+		tr = nt.t
+		if h, check := tr.(*nopTestHelper); check {
+			tr = h.t
+		}
+	case *nopTestHelper:
+		tr = nt.t
+	default:
+		// not wrapped
+	}
+	return tr
+}
diff --git a/vendor/github.com/golang/mock/gomock/matchers.go b/vendor/github.com/golang/mock/gomock/matchers.go
index 7bfc07be4..770aba5a3 100644
--- a/vendor/github.com/golang/mock/gomock/matchers.go
+++ b/vendor/github.com/golang/mock/gomock/matchers.go
@@ -102,7 +102,21 @@ type eqMatcher struct {
 }
 
 func (e eqMatcher) Matches(x interface{}) bool {
-	return reflect.DeepEqual(e.x, x)
+	// In case, some value is nil
+	if e.x == nil || x == nil {
+		return reflect.DeepEqual(e.x, x)
+	}
+
+	// Check if types assignable and convert them to common type
+	x1Val := reflect.ValueOf(e.x)
+	x2Val := reflect.ValueOf(x)
+
+	if x1Val.Type().AssignableTo(x2Val.Type()) {
+		x1ValConverted := x1Val.Convert(x2Val.Type())
+		return reflect.DeepEqual(x1ValConverted.Interface(), x2Val.Interface())
+	}
+
+	return false
 }
 
 func (e eqMatcher) String() string {
@@ -245,7 +259,7 @@ func Not(x interface{}) Matcher {
 //   AssignableToTypeOf(s).Matches(time.Second) // returns true
 //   AssignableToTypeOf(s).Matches(99) // returns false
 //
-//   var ctx = reflect.TypeOf((*context.Context)).Elem()
+//   var ctx = reflect.TypeOf((*context.Context)(nil)).Elem()
 //   AssignableToTypeOf(ctx).Matches(context.Background()) // returns true
 func AssignableToTypeOf(x interface{}) Matcher {
 	if xt, ok := x.(reflect.Type); ok {
diff --git a/vendor/github.com/magiconair/properties/.travis.yml b/vendor/github.com/magiconair/properties/.travis.yml
index f07376f9c..baf9031df 100644
--- a/vendor/github.com/magiconair/properties/.travis.yml
+++ b/vendor/github.com/magiconair/properties/.travis.yml
@@ -1,5 +1,6 @@
 language: go
 go:
+    - 1.3.x
     - 1.4.x
     - 1.5.x
     - 1.6.x
@@ -9,4 +10,8 @@ go:
     - "1.10.x"
     - "1.11.x"
     - "1.12.x"
+    - "1.13.x"
+    - "1.14.x"
+    - "1.15.x"
+    - "1.16.x"
     - tip
diff --git a/vendor/github.com/magiconair/properties/CHANGELOG.md b/vendor/github.com/magiconair/properties/CHANGELOG.md
index 176626a15..ff8d02535 100644
--- a/vendor/github.com/magiconair/properties/CHANGELOG.md
+++ b/vendor/github.com/magiconair/properties/CHANGELOG.md
@@ -1,8 +1,29 @@
 ## Changelog
 
+### [1.8.2](https://github.com/magiconair/properties/tree/v1.8.2) - 25 Aug 2020
+
+ * [PR #36](https://github.com/magiconair/properties/pull/36): Escape backslash on write
+
+   This patch ensures that backslashes are escaped on write. Existing applications which
+   rely on the old behavior may need to be updated.
+
+   Thanks to [@apesternikov](https://github.com/apesternikov) for the patch.
+
+ * [PR #42](https://github.com/magiconair/properties/pull/42): Made Content-Type check whitespace agnostic in LoadURL()
+
+   Thanks to [@aliras1](https://github.com/aliras1) for the patch.
+
+ * [PR #41](https://github.com/magiconair/properties/pull/41): Make key/value separator configurable on Write()
+
+   Thanks to [@mkjor](https://github.com/mkjor) for the patch.
+
+ * [PR #40](https://github.com/magiconair/properties/pull/40): Add method to return a sorted list of keys
+
+   Thanks to [@mkjor](https://github.com/mkjor) for the patch.
+
 ### [1.8.1](https://github.com/magiconair/properties/tree/v1.8.1) - 10 May 2019
 
- * [PR #26](https://github.com/magiconair/properties/pull/35): Close body always after request
+ * [PR #35](https://github.com/magiconair/properties/pull/35): Close body always after request
 
    This patch ensures that in `LoadURL` the response body is always closed.
 
diff --git a/vendor/github.com/magiconair/properties/LICENSE b/vendor/github.com/magiconair/properties/LICENSE.md
similarity index 84%
rename from vendor/github.com/magiconair/properties/LICENSE
rename to vendor/github.com/magiconair/properties/LICENSE.md
index b387087c5..79c87e3e6 100644
--- a/vendor/github.com/magiconair/properties/LICENSE
+++ b/vendor/github.com/magiconair/properties/LICENSE.md
@@ -1,15 +1,14 @@
-goproperties - properties file decoder for Go
-
-Copyright (c) 2013-2018 - Frank Schroeder
+Copyright (c) 2013-2020, Frank Schroeder
 
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
 
-1. Redistributions of source code must retain the above copyright notice, this
+ * Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright notice,
+
+ * Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.
 
diff --git a/vendor/github.com/magiconair/properties/README.md b/vendor/github.com/magiconair/properties/README.md
index 42ed5c37c..e2edda025 100644
--- a/vendor/github.com/magiconair/properties/README.md
+++ b/vendor/github.com/magiconair/properties/README.md
@@ -1,6 +1,5 @@
 [![](https://img.shields.io/github/tag/magiconair/properties.svg?style=flat-square&label=release)](https://github.com/magiconair/properties/releases)
 [![Travis CI Status](https://img.shields.io/travis/magiconair/properties.svg?branch=master&style=flat-square&label=travis)](https://travis-ci.org/magiconair/properties)
-[![CircleCI Status](https://img.shields.io/circleci/project/github/magiconair/properties.svg?label=circle+ci&style=flat-square)](https://circleci.com/gh/magiconair/properties)
 [![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg?style=flat-square)](https://raw.githubusercontent.com/magiconair/properties/master/LICENSE)
 [![GoDoc](http://img.shields.io/badge/godoc-reference-5272B4.svg?style=flat-square)](http://godoc.org/github.com/magiconair/properties)
 
diff --git a/vendor/github.com/magiconair/properties/go.mod b/vendor/github.com/magiconair/properties/go.mod
index 02a6f8655..4ff090bdc 100644
--- a/vendor/github.com/magiconair/properties/go.mod
+++ b/vendor/github.com/magiconair/properties/go.mod
@@ -1 +1,3 @@
 module github.com/magiconair/properties
+
+go 1.13
diff --git a/vendor/github.com/magiconair/properties/load.go b/vendor/github.com/magiconair/properties/load.go
index ab9532535..c83c2dadd 100644
--- a/vendor/github.com/magiconair/properties/load.go
+++ b/vendor/github.com/magiconair/properties/load.go
@@ -132,11 +132,12 @@ func (l *Loader) LoadURL(url string) (*Properties, error) {
 	}
 
 	ct := resp.Header.Get("Content-Type")
+	ct = strings.Join(strings.Fields(ct), "")
 	var enc Encoding
 	switch strings.ToLower(ct) {
-	case "text/plain", "text/plain; charset=iso-8859-1", "text/plain; charset=latin1":
+	case "text/plain", "text/plain;charset=iso-8859-1", "text/plain;charset=latin1":
 		enc = ISO_8859_1
-	case "", "text/plain; charset=utf-8":
+	case "", "text/plain;charset=utf-8":
 		enc = UTF8
 	default:
 		return nil, fmt.Errorf("properties: invalid content type %s", ct)
diff --git a/vendor/github.com/magiconair/properties/properties.go b/vendor/github.com/magiconair/properties/properties.go
index cb3d1a332..1529e7223 100644
--- a/vendor/github.com/magiconair/properties/properties.go
+++ b/vendor/github.com/magiconair/properties/properties.go
@@ -8,11 +8,13 @@ package properties
 // BUG(frank): Write() does not allow to configure the newline character. Therefore, on Windows LF is used.
 
 import (
+	"bytes"
 	"fmt"
 	"io"
 	"log"
 	"os"
 	"regexp"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
@@ -69,6 +71,9 @@ type Properties struct {
 
 	// Stores the keys in order of appearance.
 	k []string
+
+	// WriteSeparator specifies the separator of key and value while writing the properties.
+	WriteSeparator string
 }
 
 // NewProperties creates a new Properties struct with the default
@@ -111,7 +116,7 @@ func (p *Properties) Get(key string) (value string, ok bool) {
 	// circular references and malformed expressions
 	// so we panic if we still get an error here.
 	if err != nil {
-		ErrorHandler(fmt.Errorf("%s in %q", err, key+" = "+v))
+		ErrorHandler(err)
 	}
 
 	return expanded, true
@@ -586,6 +591,12 @@ func (p *Properties) String() string {
 	return s
 }
 
+// Sort sorts the properties keys in alphabetical order.
+// This is helpfully before writing the properties.
+func (p *Properties) Sort() {
+	sort.Strings(p.k)
+}
+
 // Write writes all unexpanded 'key = value' pairs to the given writer.
 // Write returns the number of bytes written and any write error encountered.
 func (p *Properties) Write(w io.Writer, enc Encoding) (n int, err error) {
@@ -626,7 +637,7 @@ func (p *Properties) WriteComment(w io.Writer, prefix string, enc Encoding) (n i
 					}
 
 					for _, c := range comments {
-						x, err = fmt.Fprintf(w, "%s%s\n", prefix, encode(c, "", enc))
+						x, err = fmt.Fprintf(w, "%s%s\n", prefix, c)
 						if err != nil {
 							return
 						}
@@ -635,8 +646,11 @@ func (p *Properties) WriteComment(w io.Writer, prefix string, enc Encoding) (n i
 				}
 			}
 		}
-
-		x, err = fmt.Fprintf(w, "%s = %s\n", encode(key, " :", enc), encode(value, "", enc))
+		sep := " = "
+		if p.WriteSeparator != "" {
+			sep = p.WriteSeparator
+		}
+		x, err = fmt.Fprintf(w, "%s%s%s\n", encode(key, " :", enc), sep, encode(value, "", enc))
 		if err != nil {
 			return
 		}
@@ -753,7 +767,12 @@ func expand(s string, keys []string, prefix, postfix string, values map[string]s
 
 		for _, k := range keys {
 			if key == k {
-				return "", fmt.Errorf("circular reference")
+				var b bytes.Buffer
+				b.WriteString("circular reference in:\n")
+				for _, k1 := range keys {
+					fmt.Fprintf(&b, "%s=%s\n", k1, values[k1])
+				}
+				return "", fmt.Errorf(b.String())
 			}
 		}
 
@@ -820,6 +839,8 @@ func escape(r rune, special string) string {
 		return "\\r"
 	case '\t':
 		return "\\t"
+	case '\\':
+		return "\\\\"
 	default:
 		if strings.ContainsRune(special, r) {
 			return "\\" + string(r)
diff --git a/vendor/github.com/mitchellh/mapstructure/.travis.yml b/vendor/github.com/mitchellh/mapstructure/.travis.yml
deleted file mode 100644
index 1689c7d73..000000000
--- a/vendor/github.com/mitchellh/mapstructure/.travis.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-language: go
-
-go:
-  - "1.11.x"
-  - tip
-
-script:
-  - go test
diff --git a/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md b/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
index 3b3cb723f..1955f2878 100644
--- a/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
+++ b/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
@@ -1,3 +1,55 @@
+## unreleased
+
+* Fix regression where `*time.Time` value would be set to empty and not be sent 
+  to decode hooks properly [GH-232]
+
+## 1.4.0
+
+* A new decode hook type `DecodeHookFuncValue` has been added that has
+  access to the full values. [GH-183]
+* Squash is now supported with embedded fields that are struct pointers [GH-205]
+* Empty strings will convert to 0 for all numeric types when weakly decoding [GH-206]
+
+## 1.3.3
+
+* Decoding maps from maps creates a settable value for decode hooks [GH-203]
+
+## 1.3.2
+
+* Decode into interface type with a struct value is supported [GH-187]
+
+## 1.3.1
+
+* Squash should only squash embedded structs. [GH-194]
+
+## 1.3.0
+
+* Added `",omitempty"` support. This will ignore zero values in the source
+  structure when encoding. [GH-145]
+
+## 1.2.3
+
+* Fix duplicate entries in Keys list with pointer values. [GH-185]
+
+## 1.2.2
+
+* Do not add unsettable (unexported) values to the unused metadata key
+  or "remain" value. [GH-150]
+
+## 1.2.1
+
+* Go modules checksum mismatch fix
+
+## 1.2.0
+
+* Added support to capture unused values in a field using the `",remain"` value
+  in the mapstructure tag. There is an example to showcase usage.
+* Added `DecoderConfig` option to always squash embedded structs
+* `json.Number` can decode into `uint` types
+* Empty slices are preserved and not replaced with nil slices
+* Fix panic that can occur in when decoding a map into a nil slice of structs
+* Improved package documentation for godoc
+
 ## 1.1.2
 
 * Fix error when decode hook decodes interface implementation into interface
diff --git a/vendor/github.com/mitchellh/mapstructure/decode_hooks.go b/vendor/github.com/mitchellh/mapstructure/decode_hooks.go
index 1f0abc65a..92e6f76ff 100644
--- a/vendor/github.com/mitchellh/mapstructure/decode_hooks.go
+++ b/vendor/github.com/mitchellh/mapstructure/decode_hooks.go
@@ -1,6 +1,7 @@
 package mapstructure
 
 import (
+	"encoding"
 	"errors"
 	"fmt"
 	"net"
@@ -16,10 +17,11 @@ func typedDecodeHook(h DecodeHookFunc) DecodeHookFunc {
 	// Create variables here so we can reference them with the reflect pkg
 	var f1 DecodeHookFuncType
 	var f2 DecodeHookFuncKind
+	var f3 DecodeHookFuncValue
 
 	// Fill in the variables into this interface and the rest is done
 	// automatically using the reflect package.
-	potential := []interface{}{f1, f2}
+	potential := []interface{}{f1, f2, f3}
 
 	v := reflect.ValueOf(h)
 	vt := v.Type()
@@ -38,13 +40,15 @@ func typedDecodeHook(h DecodeHookFunc) DecodeHookFunc {
 // that took reflect.Kind instead of reflect.Type.
 func DecodeHookExec(
 	raw DecodeHookFunc,
-	from reflect.Type, to reflect.Type,
-	data interface{}) (interface{}, error) {
+	from reflect.Value, to reflect.Value) (interface{}, error) {
+
 	switch f := typedDecodeHook(raw).(type) {
 	case DecodeHookFuncType:
-		return f(from, to, data)
+		return f(from.Type(), to.Type(), from.Interface())
 	case DecodeHookFuncKind:
-		return f(from.Kind(), to.Kind(), data)
+		return f(from.Kind(), to.Kind(), from.Interface())
+	case DecodeHookFuncValue:
+		return f(from, to)
 	default:
 		return nil, errors.New("invalid decode hook signature")
 	}
@@ -56,22 +60,16 @@ func DecodeHookExec(
 // The composed funcs are called in order, with the result of the
 // previous transformation.
 func ComposeDecodeHookFunc(fs ...DecodeHookFunc) DecodeHookFunc {
-	return func(
-		f reflect.Type,
-		t reflect.Type,
-		data interface{}) (interface{}, error) {
+	return func(f reflect.Value, t reflect.Value) (interface{}, error) {
 		var err error
+		var data interface{}
+		newFrom := f
 		for _, f1 := range fs {
-			data, err = DecodeHookExec(f1, f, t, data)
+			data, err = DecodeHookExec(f1, newFrom, t)
 			if err != nil {
 				return nil, err
 			}
-
-			// Modify the from kind to be correct with the new data
-			f = nil
-			if val := reflect.ValueOf(data); val.IsValid() {
-				f = val.Type()
-			}
+			newFrom = reflect.ValueOf(data)
 		}
 
 		return data, nil
@@ -215,3 +213,44 @@ func WeaklyTypedHook(
 
 	return data, nil
 }
+
+func RecursiveStructToMapHookFunc() DecodeHookFunc {
+	return func(f reflect.Value, t reflect.Value) (interface{}, error) {
+		if f.Kind() != reflect.Struct {
+			return f.Interface(), nil
+		}
+
+		var i interface{} = struct{}{}
+		if t.Type() != reflect.TypeOf(&i).Elem() {
+			return f.Interface(), nil
+		}
+
+		m := make(map[string]interface{})
+		t.Set(reflect.ValueOf(m))
+
+		return f.Interface(), nil
+	}
+}
+
+// TextUnmarshallerHookFunc returns a DecodeHookFunc that applies
+// strings to the UnmarshalText function, when the target type
+// implements the encoding.TextUnmarshaler interface
+func TextUnmarshallerHookFunc() DecodeHookFuncType {
+	return func(
+		f reflect.Type,
+		t reflect.Type,
+		data interface{}) (interface{}, error) {
+		if f.Kind() != reflect.String {
+			return data, nil
+		}
+		result := reflect.New(t).Interface()
+		unmarshaller, ok := result.(encoding.TextUnmarshaler)
+		if !ok {
+			return data, nil
+		}
+		if err := unmarshaller.UnmarshalText([]byte(data.(string))); err != nil {
+			return nil, err
+		}
+		return result, nil
+	}
+}
diff --git a/vendor/github.com/mitchellh/mapstructure/go.mod b/vendor/github.com/mitchellh/mapstructure/go.mod
index d2a712562..a03ae9730 100644
--- a/vendor/github.com/mitchellh/mapstructure/go.mod
+++ b/vendor/github.com/mitchellh/mapstructure/go.mod
@@ -1 +1,3 @@
 module github.com/mitchellh/mapstructure
+
+go 1.14
diff --git a/vendor/github.com/mitchellh/mapstructure/mapstructure.go b/vendor/github.com/mitchellh/mapstructure/mapstructure.go
index 256ee63fb..3643901f5 100644
--- a/vendor/github.com/mitchellh/mapstructure/mapstructure.go
+++ b/vendor/github.com/mitchellh/mapstructure/mapstructure.go
@@ -1,10 +1,161 @@
-// Package mapstructure exposes functionality to convert an arbitrary
-// map[string]interface{} into a native Go structure.
+// Package mapstructure exposes functionality to convert one arbitrary
+// Go type into another, typically to convert a map[string]interface{}
+// into a native Go structure.
 //
 // The Go structure can be arbitrarily complex, containing slices,
 // other structs, etc. and the decoder will properly decode nested
 // maps and so on into the proper structures in the native Go struct.
 // See the examples to see what the decoder is capable of.
+//
+// The simplest function to start with is Decode.
+//
+// Field Tags
+//
+// When decoding to a struct, mapstructure will use the field name by
+// default to perform the mapping. For example, if a struct has a field
+// "Username" then mapstructure will look for a key in the source value
+// of "username" (case insensitive).
+//
+//     type User struct {
+//         Username string
+//     }
+//
+// You can change the behavior of mapstructure by using struct tags.
+// The default struct tag that mapstructure looks for is "mapstructure"
+// but you can customize it using DecoderConfig.
+//
+// Renaming Fields
+//
+// To rename the key that mapstructure looks for, use the "mapstructure"
+// tag and set a value directly. For example, to change the "username" example
+// above to "user":
+//
+//     type User struct {
+//         Username string `mapstructure:"user"`
+//     }
+//
+// Embedded Structs and Squashing
+//
+// Embedded structs are treated as if they're another field with that name.
+// By default, the two structs below are equivalent when decoding with
+// mapstructure:
+//
+//     type Person struct {
+//         Name string
+//     }
+//
+//     type Friend struct {
+//         Person
+//     }
+//
+//     type Friend struct {
+//         Person Person
+//     }
+//
+// This would require an input that looks like below:
+//
+//     map[string]interface{}{
+//         "person": map[string]interface{}{"name": "alice"},
+//     }
+//
+// If your "person" value is NOT nested, then you can append ",squash" to
+// your tag value and mapstructure will treat it as if the embedded struct
+// were part of the struct directly. Example:
+//
+//     type Friend struct {
+//         Person `mapstructure:",squash"`
+//     }
+//
+// Now the following input would be accepted:
+//
+//     map[string]interface{}{
+//         "name": "alice",
+//     }
+//
+// When decoding from a struct to a map, the squash tag squashes the struct
+// fields into a single map. Using the example structs from above:
+//
+//     Friend{Person: Person{Name: "alice"}}
+//
+// Will be decoded into a map:
+//
+//     map[string]interface{}{
+//         "name": "alice",
+//     }
+//
+// DecoderConfig has a field that changes the behavior of mapstructure
+// to always squash embedded structs.
+//
+// Remainder Values
+//
+// If there are any unmapped keys in the source value, mapstructure by
+// default will silently ignore them. You can error by setting ErrorUnused
+// in DecoderConfig. If you're using Metadata you can also maintain a slice
+// of the unused keys.
+//
+// You can also use the ",remain" suffix on your tag to collect all unused
+// values in a map. The field with this tag MUST be a map type and should
+// probably be a "map[string]interface{}" or "map[interface{}]interface{}".
+// See example below:
+//
+//     type Friend struct {
+//         Name  string
+//         Other map[string]interface{} `mapstructure:",remain"`
+//     }
+//
+// Given the input below, Other would be populated with the other
+// values that weren't used (everything but "name"):
+//
+//     map[string]interface{}{
+//         "name":    "bob",
+//         "address": "123 Maple St.",
+//     }
+//
+// Omit Empty Values
+//
+// When decoding from a struct to any other value, you may use the
+// ",omitempty" suffix on your tag to omit that value if it equates to
+// the zero value. The zero value of all types is specified in the Go
+// specification.
+//
+// For example, the zero type of a numeric type is zero ("0"). If the struct
+// field value is zero and a numeric type, the field is empty, and it won't
+// be encoded into the destination type.
+//
+//     type Source {
+//         Age int `mapstructure:",omitempty"`
+//     }
+//
+// Unexported fields
+//
+// Since unexported (private) struct fields cannot be set outside the package
+// where they are defined, the decoder will simply skip them.
+//
+// For this output type definition:
+//
+//     type Exported struct {
+//         private string // this unexported field will be skipped
+//         Public string
+//     }
+//
+// Using this map as input:
+//
+//     map[string]interface{}{
+//         "private": "I will be ignored",
+//         "Public":  "I made it through!",
+//     }
+//
+// The following struct will be decoded:
+//
+//     type Exported struct {
+//         private: "" // field is left with an empty string (zero value)
+//         Public: "I made it through!"
+//     }
+//
+// Other Configuration
+//
+// mapstructure is highly configurable. See the DecoderConfig struct
+// for other features and options that are supported.
 package mapstructure
 
 import (
@@ -21,10 +172,11 @@ import (
 // data transformations. See "DecodeHook" in the DecoderConfig
 // struct.
 //
-// The type should be DecodeHookFuncType or DecodeHookFuncKind.
-// Either is accepted. Types are a superset of Kinds (Types can return
-// Kinds) and are generally a richer thing to use, but Kinds are simpler
-// if you only need those.
+// The type must be one of DecodeHookFuncType, DecodeHookFuncKind, or
+// DecodeHookFuncValue.
+// Values are a superset of Types (Values can return types), and Types are a
+// superset of Kinds (Types can return Kinds) and are generally a richer thing
+// to use, but Kinds are simpler if you only need those.
 //
 // The reason DecodeHookFunc is multi-typed is for backwards compatibility:
 // we started with Kinds and then realized Types were the better solution,
@@ -40,15 +192,22 @@ type DecodeHookFuncType func(reflect.Type, reflect.Type, interface{}) (interface
 // source and target types.
 type DecodeHookFuncKind func(reflect.Kind, reflect.Kind, interface{}) (interface{}, error)
 
+// DecodeHookFuncRaw is a DecodeHookFunc which has complete access to both the source and target
+// values.
+type DecodeHookFuncValue func(from reflect.Value, to reflect.Value) (interface{}, error)
+
 // DecoderConfig is the configuration that is used to create a new decoder
 // and allows customization of various aspects of decoding.
 type DecoderConfig struct {
 	// DecodeHook, if set, will be called before any decoding and any
 	// type conversion (if WeaklyTypedInput is on). This lets you modify
-	// the values before they're set down onto the resulting struct.
+	// the values before they're set down onto the resulting struct. The
+	// DecodeHook is called for every map and value in the input. This means
+	// that if a struct has embedded fields with squash tags the decode hook
+	// is called only once with all of the input data, not once for each
+	// embedded struct.
 	//
-	// If an error is returned, the entire decode will fail with that
-	// error.
+	// If an error is returned, the entire decode will fail with that error.
 	DecodeHook DecodeHookFunc
 
 	// If ErrorUnused is true, then it is an error for there to exist
@@ -80,6 +239,14 @@ type DecoderConfig struct {
 	//
 	WeaklyTypedInput bool
 
+	// Squash will squash embedded structs.  A squash tag may also be
+	// added to an individual struct field using a tag.  For example:
+	//
+	//  type Parent struct {
+	//      Child `mapstructure:",squash"`
+	//  }
+	Squash bool
+
 	// Metadata is the struct that will contain extra metadata about
 	// the decoding. If this is nil, then no metadata will be tracked.
 	Metadata *Metadata
@@ -261,9 +428,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
 	if d.config.DecodeHook != nil {
 		// We have a DecodeHook, so let's pre-process the input.
 		var err error
-		input, err = DecodeHookExec(
-			d.config.DecodeHook,
-			inputVal.Type(), outVal.Type(), input)
+		input, err = DecodeHookExec(d.config.DecodeHook, inputVal, outVal)
 		if err != nil {
 			return fmt.Errorf("error decoding '%s': %s", name, err)
 		}
@@ -271,6 +436,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
 
 	var err error
 	outputKind := getKind(outVal)
+	addMetaKey := true
 	switch outputKind {
 	case reflect.Bool:
 		err = d.decodeBool(name, input, outVal)
@@ -289,7 +455,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
 	case reflect.Map:
 		err = d.decodeMap(name, input, outVal)
 	case reflect.Ptr:
-		err = d.decodePtr(name, input, outVal)
+		addMetaKey, err = d.decodePtr(name, input, outVal)
 	case reflect.Slice:
 		err = d.decodeSlice(name, input, outVal)
 	case reflect.Array:
@@ -303,7 +469,7 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
 
 	// If we reached here, then we successfully decoded SOMETHING, so
 	// mark the key as used if we're tracking metainput.
-	if d.config.Metadata != nil && name != "" {
+	if addMetaKey && d.config.Metadata != nil && name != "" {
 		d.config.Metadata.Keys = append(d.config.Metadata.Keys, name)
 	}
 
@@ -314,7 +480,34 @@ func (d *Decoder) decode(name string, input interface{}, outVal reflect.Value) e
 // value to "data" of that type.
 func (d *Decoder) decodeBasic(name string, data interface{}, val reflect.Value) error {
 	if val.IsValid() && val.Elem().IsValid() {
-		return d.decode(name, data, val.Elem())
+		elem := val.Elem()
+
+		// If we can't address this element, then its not writable. Instead,
+		// we make a copy of the value (which is a pointer and therefore
+		// writable), decode into that, and replace the whole value.
+		copied := false
+		if !elem.CanAddr() {
+			copied = true
+
+			// Make *T
+			copy := reflect.New(elem.Type())
+
+			// *T = elem
+			copy.Elem().Set(elem)
+
+			// Set elem so we decode into it
+			elem = copy
+		}
+
+		// Decode. If we have an error then return. We also return right
+		// away if we're not a copy because that means we decoded directly.
+		if err := d.decode(name, data, elem); err != nil || !copied {
+			return err
+		}
+
+		// If we're a copy, we need to set te final result
+		val.Set(elem.Elem())
+		return nil
 	}
 
 	dataVal := reflect.ValueOf(data)
@@ -386,8 +579,8 @@ func (d *Decoder) decodeString(name string, data interface{}, val reflect.Value)
 
 	if !converted {
 		return fmt.Errorf(
-			"'%s' expected type '%s', got unconvertible type '%s'",
-			name, val.Type(), dataVal.Type())
+			"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
+			name, val.Type(), dataVal.Type(), data)
 	}
 
 	return nil
@@ -412,7 +605,12 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) er
 			val.SetInt(0)
 		}
 	case dataKind == reflect.String && d.config.WeaklyTypedInput:
-		i, err := strconv.ParseInt(dataVal.String(), 0, val.Type().Bits())
+		str := dataVal.String()
+		if str == "" {
+			str = "0"
+		}
+
+		i, err := strconv.ParseInt(str, 0, val.Type().Bits())
 		if err == nil {
 			val.SetInt(i)
 		} else {
@@ -428,8 +626,8 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) er
 		val.SetInt(i)
 	default:
 		return fmt.Errorf(
-			"'%s' expected type '%s', got unconvertible type '%s'",
-			name, val.Type(), dataVal.Type())
+			"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
+			name, val.Type(), dataVal.Type(), data)
 	}
 
 	return nil
@@ -438,6 +636,7 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) er
 func (d *Decoder) decodeUint(name string, data interface{}, val reflect.Value) error {
 	dataVal := reflect.Indirect(reflect.ValueOf(data))
 	dataKind := getKind(dataVal)
+	dataType := dataVal.Type()
 
 	switch {
 	case dataKind == reflect.Int:
@@ -463,16 +662,33 @@ func (d *Decoder) decodeUint(name string, data interface{}, val reflect.Value) e
 			val.SetUint(0)
 		}
 	case dataKind == reflect.String && d.config.WeaklyTypedInput:
-		i, err := strconv.ParseUint(dataVal.String(), 0, val.Type().Bits())
+		str := dataVal.String()
+		if str == "" {
+			str = "0"
+		}
+
+		i, err := strconv.ParseUint(str, 0, val.Type().Bits())
 		if err == nil {
 			val.SetUint(i)
 		} else {
 			return fmt.Errorf("cannot parse '%s' as uint: %s", name, err)
 		}
+	case dataType.PkgPath() == "encoding/json" && dataType.Name() == "Number":
+		jn := data.(json.Number)
+		i, err := jn.Int64()
+		if err != nil {
+			return fmt.Errorf(
+				"error decoding json.Number into %s: %s", name, err)
+		}
+		if i < 0 && !d.config.WeaklyTypedInput {
+			return fmt.Errorf("cannot parse '%s', %d overflows uint",
+				name, i)
+		}
+		val.SetUint(uint64(i))
 	default:
 		return fmt.Errorf(
-			"'%s' expected type '%s', got unconvertible type '%s'",
-			name, val.Type(), dataVal.Type())
+			"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
+			name, val.Type(), dataVal.Type(), data)
 	}
 
 	return nil
@@ -502,8 +718,8 @@ func (d *Decoder) decodeBool(name string, data interface{}, val reflect.Value) e
 		}
 	default:
 		return fmt.Errorf(
-			"'%s' expected type '%s', got unconvertible type '%s'",
-			name, val.Type(), dataVal.Type())
+			"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
+			name, val.Type(), dataVal.Type(), data)
 	}
 
 	return nil
@@ -528,7 +744,12 @@ func (d *Decoder) decodeFloat(name string, data interface{}, val reflect.Value)
 			val.SetFloat(0)
 		}
 	case dataKind == reflect.String && d.config.WeaklyTypedInput:
-		f, err := strconv.ParseFloat(dataVal.String(), val.Type().Bits())
+		str := dataVal.String()
+		if str == "" {
+			str = "0"
+		}
+
+		f, err := strconv.ParseFloat(str, val.Type().Bits())
 		if err == nil {
 			val.SetFloat(f)
 		} else {
@@ -544,8 +765,8 @@ func (d *Decoder) decodeFloat(name string, data interface{}, val reflect.Value)
 		val.SetFloat(i)
 	default:
 		return fmt.Errorf(
-			"'%s' expected type '%s', got unconvertible type '%s'",
-			name, val.Type(), dataVal.Type())
+			"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
+			name, val.Type(), dataVal.Type(), data)
 	}
 
 	return nil
@@ -596,7 +817,7 @@ func (d *Decoder) decodeMapFromSlice(name string, dataVal reflect.Value, val ref
 
 	for i := 0; i < dataVal.Len(); i++ {
 		err := d.decode(
-			fmt.Sprintf("%s[%d]", name, i),
+			name+"["+strconv.Itoa(i)+"]",
 			dataVal.Index(i).Interface(), val)
 		if err != nil {
 			return err
@@ -629,7 +850,7 @@ func (d *Decoder) decodeMapFromMap(name string, dataVal reflect.Value, val refle
 	}
 
 	for _, k := range dataVal.MapKeys() {
-		fieldName := fmt.Sprintf("%s[%s]", name, k)
+		fieldName := name + "[" + k.String() + "]"
 
 		// First decode the key into the proper type
 		currentKey := reflect.Indirect(reflect.New(valKeyType))
@@ -678,27 +899,40 @@ func (d *Decoder) decodeMapFromStruct(name string, dataVal reflect.Value, val re
 		}
 
 		tagValue := f.Tag.Get(d.config.TagName)
-		tagParts := strings.Split(tagValue, ",")
+		keyName := f.Name
+
+		// If Squash is set in the config, we squash the field down.
+		squash := d.config.Squash && v.Kind() == reflect.Struct && f.Anonymous
 
 		// Determine the name of the key in the map
-		keyName := f.Name
-		if tagParts[0] != "" {
-			if tagParts[0] == "-" {
+		if index := strings.Index(tagValue, ","); index != -1 {
+			if tagValue[:index] == "-" {
 				continue
 			}
-			keyName = tagParts[0]
-		}
-
-		// If "squash" is specified in the tag, we squash the field down.
-		squash := false
-		for _, tag := range tagParts[1:] {
-			if tag == "squash" {
-				squash = true
-				break
+			// If "omitempty" is specified in the tag, it ignores empty values.
+			if strings.Index(tagValue[index+1:], "omitempty") != -1 && isEmptyValue(v) {
+				continue
 			}
-		}
-		if squash && v.Kind() != reflect.Struct {
-			return fmt.Errorf("cannot squash non-struct type '%s'", v.Type())
+
+			// If "squash" is specified in the tag, we squash the field down.
+			squash = !squash && strings.Index(tagValue[index+1:], "squash") != -1
+			if squash {
+				// When squashing, the embedded type can be a pointer to a struct.
+				if v.Kind() == reflect.Ptr && v.Elem().Kind() == reflect.Struct {
+					v = v.Elem()
+				}
+
+				// The final type must be a struct
+				if v.Kind() != reflect.Struct {
+					return fmt.Errorf("cannot squash non-struct type '%s'", v.Type())
+				}
+			}
+			keyName = tagValue[:index]
+		} else if len(tagValue) > 0 {
+			if tagValue == "-" {
+				continue
+			}
+			keyName = tagValue
 		}
 
 		switch v.Kind() {
@@ -713,11 +947,22 @@ func (d *Decoder) decodeMapFromStruct(name string, dataVal reflect.Value, val re
 			mType := reflect.MapOf(vKeyType, vElemType)
 			vMap := reflect.MakeMap(mType)
 
-			err := d.decode(keyName, x.Interface(), vMap)
+			// Creating a pointer to a map so that other methods can completely
+			// overwrite the map if need be (looking at you decodeMapFromMap). The
+			// indirection allows the underlying map to be settable (CanSet() == true)
+			// where as reflect.MakeMap returns an unsettable map.
+			addrVal := reflect.New(vMap.Type())
+			reflect.Indirect(addrVal).Set(vMap)
+
+			err := d.decode(keyName, x.Interface(), reflect.Indirect(addrVal))
 			if err != nil {
 				return err
 			}
 
+			// the underlying map may have been completely overwritten so pull
+			// it indirectly out of the enclosing value.
+			vMap = reflect.Indirect(addrVal)
+
 			if squash {
 				for _, k := range vMap.MapKeys() {
 					valMap.SetMapIndex(k, vMap.MapIndex(k))
@@ -738,7 +983,7 @@ func (d *Decoder) decodeMapFromStruct(name string, dataVal reflect.Value, val re
 	return nil
 }
 
-func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) error {
+func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) (bool, error) {
 	// If the input data is nil, then we want to just set the output
 	// pointer to be nil as well.
 	isNil := data == nil
@@ -759,7 +1004,7 @@ func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) er
 			val.Set(nilValue)
 		}
 
-		return nil
+		return true, nil
 	}
 
 	// Create an element of the concrete (non pointer) type and decode
@@ -773,16 +1018,16 @@ func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) er
 		}
 
 		if err := d.decode(name, data, reflect.Indirect(realVal)); err != nil {
-			return err
+			return false, err
 		}
 
 		val.Set(realVal)
 	} else {
 		if err := d.decode(name, data, reflect.Indirect(val)); err != nil {
-			return err
+			return false, err
 		}
 	}
-	return nil
+	return false, nil
 }
 
 func (d *Decoder) decodeFunc(name string, data interface{}, val reflect.Value) error {
@@ -791,8 +1036,8 @@ func (d *Decoder) decodeFunc(name string, data interface{}, val reflect.Value) e
 	dataVal := reflect.Indirect(reflect.ValueOf(data))
 	if val.Type() != dataVal.Type() {
 		return fmt.Errorf(
-			"'%s' expected type '%s', got unconvertible type '%s'",
-			name, val.Type(), dataVal.Type())
+			"'%s' expected type '%s', got unconvertible type '%s', value: '%v'",
+			name, val.Type(), dataVal.Type(), data)
 	}
 	val.Set(dataVal)
 	return nil
@@ -805,8 +1050,8 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
 	valElemType := valType.Elem()
 	sliceType := reflect.SliceOf(valElemType)
 
-	valSlice := val
-	if valSlice.IsNil() || d.config.ZeroFields {
+	// If we have a non array/slice type then we first attempt to convert.
+	if dataValKind != reflect.Array && dataValKind != reflect.Slice {
 		if d.config.WeaklyTypedInput {
 			switch {
 			// Slice and array we use the normal logic
@@ -833,18 +1078,17 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
 			}
 		}
 
-		// Check input type
-		if dataValKind != reflect.Array && dataValKind != reflect.Slice {
-			return fmt.Errorf(
-				"'%s': source data must be an array or slice, got %s", name, dataValKind)
+		return fmt.Errorf(
+			"'%s': source data must be an array or slice, got %s", name, dataValKind)
+	}
 
-		}
-
-		// If the input value is empty, then don't allocate since non-nil != nil
-		if dataVal.Len() == 0 {
-			return nil
-		}
+	// If the input value is nil, then don't allocate since empty != nil
+	if dataVal.IsNil() {
+		return nil
+	}
 
+	valSlice := val
+	if valSlice.IsNil() || d.config.ZeroFields {
 		// Make a new slice to hold our result, same size as the original data.
 		valSlice = reflect.MakeSlice(sliceType, dataVal.Len(), dataVal.Len())
 	}
@@ -859,7 +1103,7 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
 		}
 		currentField := valSlice.Index(i)
 
-		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		fieldName := name + "[" + strconv.Itoa(i) + "]"
 		if err := d.decode(fieldName, currentData, currentField); err != nil {
 			errors = appendErrors(errors, err)
 		}
@@ -926,7 +1170,7 @@ func (d *Decoder) decodeArray(name string, data interface{}, val reflect.Value)
 		currentData := dataVal.Index(i).Interface()
 		currentField := valArray.Index(i)
 
-		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		fieldName := name + "[" + strconv.Itoa(i) + "]"
 		if err := d.decode(fieldName, currentData, currentField); err != nil {
 			errors = appendErrors(errors, err)
 		}
@@ -962,13 +1206,23 @@ func (d *Decoder) decodeStruct(name string, data interface{}, val reflect.Value)
 		// Not the most efficient way to do this but we can optimize later if
 		// we want to. To convert from struct to struct we go to map first
 		// as an intermediary.
-		m := make(map[string]interface{})
-		mval := reflect.Indirect(reflect.ValueOf(&m))
-		if err := d.decodeMapFromStruct(name, dataVal, mval, mval); err != nil {
+
+		// Make a new map to hold our result
+		mapType := reflect.TypeOf((map[string]interface{})(nil))
+		mval := reflect.MakeMap(mapType)
+
+		// Creating a pointer to a map so that other methods can completely
+		// overwrite the map if need be (looking at you decodeMapFromMap). The
+		// indirection allows the underlying map to be settable (CanSet() == true)
+		// where as reflect.MakeMap returns an unsettable map.
+		addrVal := reflect.New(mval.Type())
+
+		reflect.Indirect(addrVal).Set(mval)
+		if err := d.decodeMapFromStruct(name, dataVal, reflect.Indirect(addrVal), mval); err != nil {
 			return err
 		}
 
-		result := d.decodeStructFromMap(name, mval, val)
+		result := d.decodeStructFromMap(name, reflect.Indirect(addrVal), val)
 		return result
 
 	default:
@@ -1005,6 +1259,11 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		field reflect.StructField
 		val   reflect.Value
 	}
+
+	// remainField is set to a valid field set with the "remain" tag if
+	// we are keeping track of remaining values.
+	var remainField *field
+
 	fields := []field{}
 	for len(structs) > 0 {
 		structVal := structs[0]
@@ -1014,30 +1273,47 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 
 		for i := 0; i < structType.NumField(); i++ {
 			fieldType := structType.Field(i)
-			fieldKind := fieldType.Type.Kind()
+			fieldVal := structVal.Field(i)
+			if fieldVal.Kind() == reflect.Ptr && fieldVal.Elem().Kind() == reflect.Struct {
+				// Handle embedded struct pointers as embedded structs.
+				fieldVal = fieldVal.Elem()
+			}
 
 			// If "squash" is specified in the tag, we squash the field down.
-			squash := false
+			squash := d.config.Squash && fieldVal.Kind() == reflect.Struct && fieldType.Anonymous
+			remain := false
+
+			// We always parse the tags cause we're looking for other tags too
 			tagParts := strings.Split(fieldType.Tag.Get(d.config.TagName), ",")
 			for _, tag := range tagParts[1:] {
 				if tag == "squash" {
 					squash = true
 					break
 				}
+
+				if tag == "remain" {
+					remain = true
+					break
+				}
 			}
 
 			if squash {
-				if fieldKind != reflect.Struct {
+				if fieldVal.Kind() != reflect.Struct {
 					errors = appendErrors(errors,
-						fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldKind))
+						fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldVal.Kind()))
 				} else {
-					structs = append(structs, structVal.FieldByName(fieldType.Name))
+					structs = append(structs, fieldVal)
 				}
 				continue
 			}
 
-			// Normal struct field, store it away
-			fields = append(fields, field{fieldType, structVal.Field(i)})
+			// Build our field
+			if remain {
+				remainField = &field{fieldType, fieldVal}
+			} else {
+				// Normal struct field, store it away
+				fields = append(fields, field{fieldType, fieldVal})
+			}
 		}
 	}
 
@@ -1078,9 +1354,6 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 			}
 		}
 
-		// Delete the key we're using from the unused map so we stop tracking
-		delete(dataValKeysUnused, rawMapKey.Interface())
-
 		if !fieldValue.IsValid() {
 			// This should never happen
 			panic("field is not valid")
@@ -1092,10 +1365,13 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 			continue
 		}
 
+		// Delete the key we're using from the unused map so we stop tracking
+		delete(dataValKeysUnused, rawMapKey.Interface())
+
 		// If the name is empty string, then we're at the root, and we
 		// don't dot-join the fields.
 		if name != "" {
-			fieldName = fmt.Sprintf("%s.%s", name, fieldName)
+			fieldName = name + "." + fieldName
 		}
 
 		if err := d.decode(fieldName, rawMapVal.Interface(), fieldValue); err != nil {
@@ -1103,6 +1379,25 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		}
 	}
 
+	// If we have a "remain"-tagged field and we have unused keys then
+	// we put the unused keys directly into the remain field.
+	if remainField != nil && len(dataValKeysUnused) > 0 {
+		// Build a map of only the unused values
+		remain := map[interface{}]interface{}{}
+		for key := range dataValKeysUnused {
+			remain[key] = dataVal.MapIndex(reflect.ValueOf(key)).Interface()
+		}
+
+		// Decode it as-if we were just decoding this map onto our map.
+		if err := d.decodeMap(name, remain, remainField.val); err != nil {
+			errors = appendErrors(errors, err)
+		}
+
+		// Set the map to nil so we have none so that the next check will
+		// not error (ErrorUnused)
+		dataValKeysUnused = nil
+	}
+
 	if d.config.ErrorUnused && len(dataValKeysUnused) > 0 {
 		keys := make([]string, 0, len(dataValKeysUnused))
 		for rawKey := range dataValKeysUnused {
@@ -1123,7 +1418,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		for rawKey := range dataValKeysUnused {
 			key := rawKey.(string)
 			if name != "" {
-				key = fmt.Sprintf("%s.%s", name, key)
+				key = name + "." + key
 			}
 
 			d.config.Metadata.Unused = append(d.config.Metadata.Unused, key)
@@ -1133,6 +1428,24 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 	return nil
 }
 
+func isEmptyValue(v reflect.Value) bool {
+	switch getKind(v) {
+	case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
+		return v.Len() == 0
+	case reflect.Bool:
+		return !v.Bool()
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return v.Int() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return v.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return v.Float() == 0
+	case reflect.Interface, reflect.Ptr:
+		return v.IsNil()
+	}
+	return false
+}
+
 func getKind(val reflect.Value) reflect.Kind {
 	kind := val.Kind()
 
diff --git a/vendor/github.com/pelletier/go-toml/.dockerignore b/vendor/github.com/pelletier/go-toml/.dockerignore
new file mode 100644
index 000000000..7b5883475
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/.dockerignore
@@ -0,0 +1,2 @@
+cmd/tomll/tomll
+cmd/tomljson/tomljson
diff --git a/vendor/github.com/pelletier/go-toml/.gitignore b/vendor/github.com/pelletier/go-toml/.gitignore
index 99e38bbc5..e6ba63a5c 100644
--- a/vendor/github.com/pelletier/go-toml/.gitignore
+++ b/vendor/github.com/pelletier/go-toml/.gitignore
@@ -1,2 +1,5 @@
 test_program/test_program_bin
 fuzz/
+cmd/tomll/tomll
+cmd/tomljson/tomljson
+cmd/tomltestgen/tomltestgen
diff --git a/vendor/github.com/pelletier/go-toml/.travis.yml b/vendor/github.com/pelletier/go-toml/.travis.yml
deleted file mode 100644
index c9fbf304b..000000000
--- a/vendor/github.com/pelletier/go-toml/.travis.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-sudo: false
-language: go
-go:
-  - 1.8.x
-  - 1.9.x
-  - 1.10.x
-  - tip
-matrix:
-  allow_failures:
-    - go: tip
-  fast_finish: true
-script:
-  - if [ -n "$(go fmt ./...)" ]; then exit 1; fi
-  - ./test.sh
-  - ./benchmark.sh $TRAVIS_BRANCH https://github.com/$TRAVIS_REPO_SLUG.git
-before_install:
-  - go get github.com/axw/gocov/gocov
-  - go get github.com/mattn/goveralls
-  - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
-branches:
-  only: [master]
-after_success:
-  - $HOME/gopath/bin/goveralls -service=travis-ci -coverprofile=coverage.out -repotoken $COVERALLS_TOKEN
diff --git a/vendor/github.com/pelletier/go-toml/CONTRIBUTING.md b/vendor/github.com/pelletier/go-toml/CONTRIBUTING.md
new file mode 100644
index 000000000..98b9893d3
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/CONTRIBUTING.md
@@ -0,0 +1,132 @@
+## Contributing
+
+Thank you for your interest in go-toml! We appreciate you considering
+contributing to go-toml!
+
+The main goal is the project is to provide an easy-to-use TOML
+implementation for Go that gets the job done and gets out of your way –
+dealing with TOML is probably not the central piece of your project.
+
+As the single maintainer of go-toml, time is scarce. All help, big or
+small, is more than welcomed!
+
+### Ask questions
+
+Any question you may have, somebody else might have it too. Always feel
+free to ask them on the [issues tracker][issues-tracker].  We will try to
+answer them as clearly and quickly as possible, time permitting.
+
+Asking questions also helps us identify areas where the documentation needs
+improvement, or new features that weren't envisioned before. Sometimes, a
+seemingly innocent question leads to the fix of a bug. Don't hesitate and
+ask away!
+
+### Improve the documentation
+
+The best way to share your knowledge and experience with go-toml is to
+improve the documentation. Fix a typo, clarify an interface, add an
+example, anything goes!
+
+The documentation is present in the [README][readme] and thorough the
+source code. On release, it gets updated on [pkg.go.dev][pkg.go.dev]. To make a
+change to the documentation, create a pull request with your proposed
+changes. For simple changes like that, the easiest way to go is probably
+the "Fork this project and edit the file" button on Github, displayed at
+the top right of the file. Unless it's a trivial change (for example a
+typo), provide a little bit of context in your pull request description or
+commit message.
+
+### Report a bug
+
+Found a bug! Sorry to hear that :(. Help us and other track them down and
+fix by reporting it. [File a new bug report][bug-report] on the [issues
+tracker][issues-tracker]. The template should provide enough guidance on
+what to include. When in doubt: add more details! By reducing ambiguity and
+providing more information, it decreases back and forth and saves everyone
+time.
+
+### Code changes
+
+Want to contribute a patch? Very happy to hear that!
+
+First, some high-level rules:
+
+* A short proposal with some POC code is better than a lengthy piece of
+  text with no code. Code speaks louder than words.
+* No backward-incompatible patch will be accepted unless discussed.
+  Sometimes it's hard, and Go's lack of versioning by default does not
+  help, but we try not to break people's programs unless we absolutely have
+  to.
+* If you are writing a new feature or extending an existing one, make sure
+  to write some documentation.
+* Bug fixes need to be accompanied with regression tests.
+* New code needs to be tested.
+* Your commit messages need to explain why the change is needed, even if
+  already included in the PR description.
+
+It does sound like a lot, but those best practices are here to save time
+overall and continuously improve the quality of the project, which is
+something everyone benefits from.
+
+#### Get started
+
+The fairly standard code contribution process looks like that:
+
+1. [Fork the project][fork].
+2. Make your changes, commit on any branch you like.
+3. [Open up a pull request][pull-request]
+4. Review, potential ask for changes.
+5. Merge. You're in!
+
+Feel free to ask for help! You can create draft pull requests to gather
+some early feedback!
+
+#### Run the tests
+
+You can run tests for go-toml using Go's test tool: `go test ./...`.
+When creating a pull requests, all tests will be ran on Linux on a few Go
+versions (Travis CI), and on Windows using the latest Go version
+(AppVeyor).
+
+#### Style
+
+Try to look around and follow the same format and structure as the rest of
+the code. We enforce using `go fmt` on the whole code base.
+
+---
+
+### Maintainers-only
+
+#### Merge pull request
+
+Checklist:
+
+* Passing CI.
+* Does not introduce backward-incompatible changes (unless discussed).
+* Has relevant doc changes.
+* Has relevant unit tests.
+
+1. Merge using "squash and merge".
+2. Make sure to edit the commit message to keep all the useful information
+   nice and clean.
+3. Make sure the commit title is clear and contains the PR number (#123).
+
+#### New release
+
+1. Go to [releases][releases]. Click on "X commits to master since this
+   release".
+2. Make note of all the changes. Look for backward incompatible changes,
+   new features, and bug fixes.
+3. Pick the new version using the above and semver.
+4. Create a [new release][new-release].
+5. Follow the same format as [1.1.0][release-110].
+
+[issues-tracker]: https://github.com/pelletier/go-toml/issues
+[bug-report]: https://github.com/pelletier/go-toml/issues/new?template=bug_report.md
+[pkg.go.dev]: https://pkg.go.dev/github.com/pelletier/go-toml
+[readme]: ./README.md
+[fork]: https://help.github.com/articles/fork-a-repo
+[pull-request]: https://help.github.com/en/articles/creating-a-pull-request
+[releases]: https://github.com/pelletier/go-toml/releases
+[new-release]: https://github.com/pelletier/go-toml/releases/new
+[release-110]: https://github.com/pelletier/go-toml/releases/tag/v1.1.0
diff --git a/vendor/github.com/pelletier/go-toml/Dockerfile b/vendor/github.com/pelletier/go-toml/Dockerfile
new file mode 100644
index 000000000..fffdb0166
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/Dockerfile
@@ -0,0 +1,11 @@
+FROM golang:1.12-alpine3.9 as builder
+WORKDIR /go/src/github.com/pelletier/go-toml
+COPY . .
+ENV CGO_ENABLED=0
+ENV GOOS=linux
+RUN go install ./...
+
+FROM scratch
+COPY --from=builder /go/bin/tomll /usr/bin/tomll
+COPY --from=builder /go/bin/tomljson /usr/bin/tomljson
+COPY --from=builder /go/bin/jsontoml /usr/bin/jsontoml
diff --git a/vendor/github.com/pelletier/go-toml/LICENSE b/vendor/github.com/pelletier/go-toml/LICENSE
index 583bdae62..f414553c2 100644
--- a/vendor/github.com/pelletier/go-toml/LICENSE
+++ b/vendor/github.com/pelletier/go-toml/LICENSE
@@ -1,6 +1,16 @@
+The bulk of github.com/pelletier/go-toml is distributed under the MIT license
+(see below), with the exception of localtime.go and localtime.test.go.
+Those two files have been copied over from Google's civil library at revision
+ed46f5086358513cf8c25f8e3f022cb838a49d66, and are distributed under the Apache
+2.0 license (see below).
+
+
+github.com/pelletier/go-toml:
+
+
 The MIT License (MIT)
 
-Copyright (c) 2013 - 2017 Thomas Pelletier, Eric Anderton
+Copyright (c) 2013 - 2021 Thomas Pelletier, Eric Anderton
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -19,3 +29,219 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
+
+
+localtime.go, localtime_test.go:
+
+Originals:
+    https://raw.githubusercontent.com/googleapis/google-cloud-go/ed46f5086358513cf8c25f8e3f022cb838a49d66/civil/civil.go
+    https://raw.githubusercontent.com/googleapis/google-cloud-go/ed46f5086358513cf8c25f8e3f022cb838a49d66/civil/civil_test.go
+Changes:
+    * Renamed files from civil* to localtime*.
+    * Package changed from civil to toml.
+    * 'Local' prefix added to all structs.
+License:
+    https://raw.githubusercontent.com/googleapis/google-cloud-go/ed46f5086358513cf8c25f8e3f022cb838a49d66/LICENSE
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/pelletier/go-toml/Makefile b/vendor/github.com/pelletier/go-toml/Makefile
new file mode 100644
index 000000000..9e4503aea
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/Makefile
@@ -0,0 +1,29 @@
+export CGO_ENABLED=0
+go := go
+go.goos ?= $(shell echo `go version`|cut -f4 -d ' '|cut -d '/' -f1)
+go.goarch ?= $(shell echo `go version`|cut -f4 -d ' '|cut -d '/' -f2)
+
+out.tools := tomll tomljson jsontoml
+out.dist := $(out.tools:=_$(go.goos)_$(go.goarch).tar.xz)
+sources := $(wildcard **/*.go)
+
+
+.PHONY:
+tools: $(out.tools)
+
+$(out.tools): $(sources)
+	GOOS=$(go.goos) GOARCH=$(go.goarch) $(go) build ./cmd/$@
+
+.PHONY:
+dist: $(out.dist)
+
+$(out.dist):%_$(go.goos)_$(go.goarch).tar.xz: %
+	if [ "$(go.goos)" = "windows" ]; then \
+		tar -cJf $@ $^.exe; \
+	else \
+		tar -cJf $@ $^; \
+	fi
+
+.PHONY:
+clean:
+	rm -rf $(out.tools) $(out.dist)
diff --git a/vendor/github.com/pelletier/go-toml/PULL_REQUEST_TEMPLATE.md b/vendor/github.com/pelletier/go-toml/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 000000000..041cdc4a2
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,5 @@
+**Issue:** add link to pelletier/go-toml issue here
+
+Explanation of what this pull request does.
+
+More detailed description of the decisions being made and the reasons why (if the patch is non-trivial).
diff --git a/vendor/github.com/pelletier/go-toml/README.md b/vendor/github.com/pelletier/go-toml/README.md
index 0d357acf3..6c061712b 100644
--- a/vendor/github.com/pelletier/go-toml/README.md
+++ b/vendor/github.com/pelletier/go-toml/README.md
@@ -1,15 +1,41 @@
 # go-toml
 
-Go library for the [TOML](https://github.com/mojombo/toml) format.
+Go library for the [TOML](https://toml.io/) format.
 
 This library supports TOML version
-[v0.4.0](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md)
+[v1.0.0-rc.3](https://toml.io/en/v1.0.0-rc.3)
 
-[![GoDoc](https://godoc.org/github.com/pelletier/go-toml?status.svg)](http://godoc.org/github.com/pelletier/go-toml)
+[![Go Reference](https://pkg.go.dev/badge/github.com/pelletier/go-toml.svg)](https://pkg.go.dev/github.com/pelletier/go-toml)
 [![license](https://img.shields.io/github/license/pelletier/go-toml.svg)](https://github.com/pelletier/go-toml/blob/master/LICENSE)
-[![Build Status](https://travis-ci.org/pelletier/go-toml.svg?branch=master)](https://travis-ci.org/pelletier/go-toml)
-[![Coverage Status](https://coveralls.io/repos/github/pelletier/go-toml/badge.svg?branch=master)](https://coveralls.io/github/pelletier/go-toml?branch=master)
+[![Build Status](https://dev.azure.com/pelletierthomas/go-toml-ci/_apis/build/status/pelletier.go-toml?branchName=master)](https://dev.azure.com/pelletierthomas/go-toml-ci/_build/latest?definitionId=1&branchName=master)
+[![codecov](https://codecov.io/gh/pelletier/go-toml/branch/master/graph/badge.svg)](https://codecov.io/gh/pelletier/go-toml)
 [![Go Report Card](https://goreportcard.com/badge/github.com/pelletier/go-toml)](https://goreportcard.com/report/github.com/pelletier/go-toml)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fpelletier%2Fgo-toml.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fpelletier%2Fgo-toml?ref=badge_shield)
+
+
+## Development status
+
+**ℹ️ Consider go-toml v2!**
+
+The next version of go-toml is in [active development][v2-dev], and
+[nearing completion][v2-map].
+
+Though technically in beta, v2 is already more tested, [fixes bugs][v1-bugs],
+and [much faster][v2-bench]. If you only need reading and writing TOML documents
+(majority of cases), those features are implemented and the API unlikely to
+change.
+
+The remaining features (Document structure editing and tooling) will be added
+shortly. While pull-requests are welcome on v1, no active development is
+expected on it. When v2.0.0 is released, v1 will be deprecated.
+
+👉 [go-toml v2][v2]
+
+[v2]: https://github.com/pelletier/go-toml/tree/v2
+[v2-map]: https://github.com/pelletier/go-toml/discussions/506
+[v2-dev]: https://github.com/pelletier/go-toml/tree/v2
+[v1-bugs]: https://github.com/pelletier/go-toml/issues?q=is%3Aissue+is%3Aopen+label%3Av2-fixed
+[v2-bench]: https://github.com/pelletier/go-toml/tree/v2#benchmarks
 
 ## Features
 
@@ -17,7 +43,7 @@ Go-toml provides the following features for using data parsed from TOML document
 
 * Load TOML documents from files and string data
 * Easily navigate TOML structure using Tree
-* Mashaling and unmarshaling to and from data structures
+* Marshaling and unmarshaling to and from data structures
 * Line & column position data for all parsed elements
 * [Query support similar to JSON-Path](query/)
 * Syntax errors contain line and column numbers
@@ -73,20 +99,20 @@ Or use a query:
 q, _ := query.Compile("$..[user,password]")
 results := q.Execute(config)
 for ii, item := range results.Values() {
-    fmt.Println("Query result %d: %v", ii, item)
+    fmt.Printf("Query result %d: %v\n", ii, item)
 }
 ```
 
 ## Documentation
 
 The documentation and additional examples are available at
-[godoc.org](http://godoc.org/github.com/pelletier/go-toml).
+[pkg.go.dev](https://pkg.go.dev/github.com/pelletier/go-toml).
 
 ## Tools
 
-Go-toml provides two handy command line tools:
+Go-toml provides three handy command line tools:
 
-* `tomll`: Reads TOML files and lint them.
+* `tomll`: Reads TOML files and lints them.
 
     ```
     go install github.com/pelletier/go-toml/cmd/tomll
@@ -99,6 +125,30 @@ Go-toml provides two handy command line tools:
     tomljson --help
     ```
 
+ * `jsontoml`: Reads a JSON file and outputs a TOML representation.
+
+    ```
+    go install github.com/pelletier/go-toml/cmd/jsontoml
+    jsontoml --help
+    ```
+
+### Docker image
+
+Those tools are also available as a Docker image from
+[dockerhub](https://hub.docker.com/r/pelletier/go-toml). For example, to
+use `tomljson`:
+
+```
+docker run -v $PWD:/workdir pelletier/go-toml tomljson /workdir/example.toml
+```
+
+Only master (`latest`) and tagged versions are published to dockerhub. You
+can build your own image as usual:
+
+```
+docker build -t go-toml .
+```
+
 ## Contribute
 
 Feel free to report bugs and patches using GitHub's pull requests system on
@@ -107,12 +157,7 @@ much appreciated!
 
 ### Run tests
 
-You have to make sure two kind of tests run:
-
-1. The Go unit tests
-2. The TOML examples base
-
-You can run both of them using `./test.sh`.
+`go test ./...`
 
 ### Fuzzing
 
@@ -128,4 +173,4 @@ this document. The last two major versions of Go are supported
 
 ## License
 
-The MIT License (MIT). Read [LICENSE](LICENSE).
+The MIT License (MIT) + Apache 2.0. Read [LICENSE](LICENSE).
diff --git a/vendor/github.com/pelletier/go-toml/azure-pipelines.yml b/vendor/github.com/pelletier/go-toml/azure-pipelines.yml
new file mode 100644
index 000000000..4af198b4d
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/azure-pipelines.yml
@@ -0,0 +1,188 @@
+trigger:
+- master
+
+stages:
+- stage: run_checks
+  displayName: "Check"
+  dependsOn: []
+  jobs:
+  - job: fmt
+    displayName: "fmt"
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+    - task: GoTool@0
+      displayName: "Install Go 1.16"
+      inputs:
+        version: "1.16"
+    - task: Go@0
+      displayName: "go fmt ./..."
+      inputs:
+        command: 'custom'
+        customCommand: 'fmt'
+        arguments: './...'
+  - job: coverage
+    displayName: "coverage"
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+    - task: GoTool@0
+      displayName: "Install Go 1.16"
+      inputs:
+        version: "1.16"
+    - task: Go@0
+      displayName: "Generate coverage"
+      inputs:
+        command: 'test'
+        arguments: "-race -coverprofile=coverage.txt -covermode=atomic"
+    - task: Bash@3
+      inputs:
+        targetType: 'inline'
+        script: 'bash <(curl -s https://codecov.io/bash) -t ${CODECOV_TOKEN}'
+      env:
+        CODECOV_TOKEN: $(CODECOV_TOKEN)
+  - job: benchmark
+    displayName: "benchmark"
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+    - task: GoTool@0
+      displayName: "Install Go 1.16"
+      inputs:
+        version: "1.16"
+    - script: echo "##vso[task.setvariable variable=PATH]${PATH}:/home/vsts/go/bin/"
+    - task: Bash@3
+      inputs:
+        filePath: './benchmark.sh'
+        arguments: "master $(Build.Repository.Uri)"
+
+  - job: go_unit_tests
+    displayName: "unit tests"
+    strategy:
+      matrix:
+        linux 1.16:
+          goVersion: '1.16'
+          imageName: 'ubuntu-latest'
+        mac 1.16:
+          goVersion: '1.16'
+          imageName: 'macOS-latest'
+        windows 1.16:
+          goVersion: '1.16'
+          imageName: 'windows-latest'
+        linux 1.15:
+          goVersion: '1.15'
+          imageName: 'ubuntu-latest'
+        mac 1.15:
+          goVersion: '1.15'
+          imageName: 'macOS-latest'
+        windows 1.15:
+          goVersion: '1.15'
+          imageName: 'windows-latest'
+    pool:
+      vmImage: $(imageName)
+    steps:
+    - task: GoTool@0
+      displayName: "Install Go $(goVersion)"
+      inputs:
+        version: $(goVersion)
+    - task: Go@0
+      displayName: "go test ./..."
+      inputs:
+        command: 'test'
+        arguments: './...'
+- stage: build_binaries
+  displayName: "Build binaries"
+  dependsOn: run_checks
+  jobs:
+  - job: build_binary
+    displayName: "Build binary"
+    strategy:
+      matrix:
+        linux_amd64:
+          GOOS: linux
+          GOARCH: amd64
+        darwin_amd64:
+          GOOS: darwin
+          GOARCH: amd64
+        windows_amd64:
+          GOOS: windows
+          GOARCH: amd64
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+    - task: GoTool@0
+      displayName: "Install Go"
+      inputs:
+        version: 1.16
+    - task: Bash@3
+      inputs:
+        targetType: inline
+        script: "make dist"
+      env:
+        go.goos: $(GOOS)
+        go.goarch: $(GOARCH)
+    - task: CopyFiles@2
+      inputs:
+        sourceFolder: '$(Build.SourcesDirectory)'
+        contents: '*.tar.xz'
+        TargetFolder: '$(Build.ArtifactStagingDirectory)'
+    - task: PublishBuildArtifacts@1
+      inputs:
+        pathtoPublish: '$(Build.ArtifactStagingDirectory)'
+        artifactName: binaries
+- stage: build_binaries_manifest
+  displayName: "Build binaries manifest"
+  dependsOn: build_binaries
+  jobs:
+  - job: build_manifest
+    displayName: "Build binaries manifest"
+    steps:
+      - task: DownloadBuildArtifacts@0
+        inputs:
+          buildType: 'current'
+          downloadType: 'single'
+          artifactName: 'binaries'
+          downloadPath: '$(Build.SourcesDirectory)'
+      - task: Bash@3
+        inputs:
+          targetType: inline
+          script: "cd binaries && sha256sum --binary *.tar.xz | tee $(Build.ArtifactStagingDirectory)/sha256sums.txt"
+      - task: PublishBuildArtifacts@1
+        inputs:
+          pathtoPublish: '$(Build.ArtifactStagingDirectory)'
+          artifactName: manifest
+
+- stage: build_docker_image
+  displayName: "Build Docker image"
+  dependsOn: run_checks
+  jobs:
+  - job: build
+    displayName: "Build"
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+    - task: Docker@2
+      inputs:
+        command: 'build'
+        Dockerfile: 'Dockerfile'
+        buildContext: '.'
+        addPipelineData: false
+
+- stage: publish_docker_image
+  displayName: "Publish Docker image"
+  dependsOn: build_docker_image
+  condition: and(succeeded(), eq(variables['Build.SourceBranchName'], 'master'))
+  jobs:
+  - job: publish
+    displayName: "Publish"
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+    - task: Docker@2
+      inputs:
+        containerRegistry: 'DockerHub'
+        repository: 'pelletier/go-toml'
+        command: 'buildAndPush'
+        Dockerfile: 'Dockerfile'
+        buildContext: '.'
+        tags: 'latest'
diff --git a/vendor/github.com/pelletier/go-toml/benchmark.json b/vendor/github.com/pelletier/go-toml/benchmark.json
deleted file mode 100644
index 86f99c6a8..000000000
--- a/vendor/github.com/pelletier/go-toml/benchmark.json
+++ /dev/null
@@ -1,164 +0,0 @@
-{
-    "array": {
-        "key1": [
-            1,
-            2,
-            3
-        ],
-        "key2": [
-            "red",
-            "yellow",
-            "green"
-        ],
-        "key3": [
-            [
-                1,
-                2
-            ],
-            [
-                3,
-                4,
-                5
-            ]
-        ],
-        "key4": [
-            [
-                1,
-                2
-            ],
-            [
-                "a",
-                "b",
-                "c"
-            ]
-        ],
-        "key5": [
-            1,
-            2,
-            3
-        ],
-        "key6": [
-            1,
-            2
-        ]
-    },
-    "boolean": {
-        "False": false,
-        "True": true
-    },
-    "datetime": {
-        "key1": "1979-05-27T07:32:00Z",
-        "key2": "1979-05-27T00:32:00-07:00",
-        "key3": "1979-05-27T00:32:00.999999-07:00"
-    },
-    "float": {
-        "both": {
-            "key": 6.626e-34
-        },
-        "exponent": {
-            "key1": 5e+22,
-            "key2": 1000000,
-            "key3": -0.02
-        },
-        "fractional": {
-            "key1": 1,
-            "key2": 3.1415,
-            "key3": -0.01
-        },
-        "underscores": {
-            "key1": 9224617.445991227,
-            "key2": 1e+100
-        }
-    },
-    "fruit": [{
-            "name": "apple",
-            "physical": {
-                "color": "red",
-                "shape": "round"
-            },
-            "variety": [{
-                    "name": "red delicious"
-                },
-                {
-                    "name": "granny smith"
-                }
-            ]
-        },
-        {
-            "name": "banana",
-            "variety": [{
-                "name": "plantain"
-            }]
-        }
-    ],
-    "integer": {
-        "key1": 99,
-        "key2": 42,
-        "key3": 0,
-        "key4": -17,
-        "underscores": {
-            "key1": 1000,
-            "key2": 5349221,
-            "key3": 12345
-        }
-    },
-    "products": [{
-            "name": "Hammer",
-            "sku": 738594937
-        },
-        {},
-        {
-            "color": "gray",
-            "name": "Nail",
-            "sku": 284758393
-        }
-    ],
-    "string": {
-        "basic": {
-            "basic": "I'm a string. \"You can quote me\". Name\tJosé\nLocation\tSF."
-        },
-        "literal": {
-            "multiline": {
-                "lines": "The first newline is\ntrimmed in raw strings.\n   All other whitespace\n   is preserved.\n",
-                "regex2": "I [dw]on't need \\d{2} apples"
-            },
-            "quoted": "Tom \"Dubs\" Preston-Werner",
-            "regex": "\u003c\\i\\c*\\s*\u003e",
-            "winpath": "C:\\Users\\nodejs\\templates",
-            "winpath2": "\\\\ServerX\\admin$\\system32\\"
-        },
-        "multiline": {
-            "continued": {
-                "key1": "The quick brown fox jumps over the lazy dog.",
-                "key2": "The quick brown fox jumps over the lazy dog.",
-                "key3": "The quick brown fox jumps over the lazy dog."
-            },
-            "key1": "One\nTwo",
-            "key2": "One\nTwo",
-            "key3": "One\nTwo"
-        }
-    },
-    "table": {
-        "inline": {
-            "name": {
-                "first": "Tom",
-                "last": "Preston-Werner"
-            },
-            "point": {
-                "x": 1,
-                "y": 2
-            }
-        },
-        "key": "value",
-        "subtable": {
-            "key": "another value"
-        }
-    },
-    "x": {
-        "y": {
-            "z": {
-                "w": {}
-            }
-        }
-    }
-}
diff --git a/vendor/github.com/pelletier/go-toml/benchmark.sh b/vendor/github.com/pelletier/go-toml/benchmark.sh
index 8b8bb528e..a69d3040f 100644
--- a/vendor/github.com/pelletier/go-toml/benchmark.sh
+++ b/vendor/github.com/pelletier/go-toml/benchmark.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -ex
 
 reference_ref=${1:-master}
 reference_git=${2:-.}
@@ -8,7 +8,6 @@ reference_git=${2:-.}
 if ! `hash benchstat 2>/dev/null`; then
     echo "Installing benchstat"
     go get golang.org/x/perf/cmd/benchstat
-    go install golang.org/x/perf/cmd/benchstat
 fi
 
 tempdir=`mktemp -d /tmp/go-toml-benchmark-XXXXXX`
@@ -21,12 +20,16 @@ git clone ${reference_git} ${ref_tempdir} >/dev/null 2>/dev/null
 pushd ${ref_tempdir} >/dev/null
 git checkout ${reference_ref} >/dev/null 2>/dev/null
 go test -bench=. -benchmem | tee ${ref_benchmark}
+cd benchmark
+go test -bench=. -benchmem | tee -a ${ref_benchmark}
 popd >/dev/null
 
 echo ""
 echo "=== local"
 go test -bench=. -benchmem  | tee ${local_benchmark}
+cd benchmark
+go test -bench=. -benchmem | tee -a ${local_benchmark}
 
 echo ""
 echo "=== diff"
-benchstat -delta-test=none ${ref_benchmark} ${local_benchmark}
\ No newline at end of file
+benchstat -delta-test=none ${ref_benchmark} ${local_benchmark}
diff --git a/vendor/github.com/pelletier/go-toml/benchmark.toml b/vendor/github.com/pelletier/go-toml/benchmark.toml
deleted file mode 100644
index dfd77e096..000000000
--- a/vendor/github.com/pelletier/go-toml/benchmark.toml
+++ /dev/null
@@ -1,244 +0,0 @@
-################################################################################
-## Comment
-
-# Speak your mind with the hash symbol. They go from the symbol to the end of
-# the line.
-
-
-################################################################################
-## Table
-
-# Tables (also known as hash tables or dictionaries) are collections of
-# key/value pairs. They appear in square brackets on a line by themselves.
-
-[table]
-
-key = "value" # Yeah, you can do this.
-
-# Nested tables are denoted by table names with dots in them. Name your tables
-# whatever crap you please, just don't use #, ., [ or ].
-
-[table.subtable]
-
-key = "another value"
-
-# You don't need to specify all the super-tables if you don't want to. TOML
-# knows how to do it for you.
-
-# [x] you
-# [x.y] don't
-# [x.y.z] need these
-[x.y.z.w] # for this to work
-
-
-################################################################################
-## Inline Table
-
-# Inline tables provide a more compact syntax for expressing tables. They are
-# especially useful for grouped data that can otherwise quickly become verbose.
-# Inline tables are enclosed in curly braces `{` and `}`. No newlines are
-# allowed between the curly braces unless they are valid within a value.
-
-[table.inline]
-
-name = { first = "Tom", last = "Preston-Werner" }
-point = { x = 1, y = 2 }
-
-
-################################################################################
-## String
-
-# There are four ways to express strings: basic, multi-line basic, literal, and
-# multi-line literal. All strings must contain only valid UTF-8 characters.
-
-[string.basic]
-
-basic = "I'm a string. \"You can quote me\". Name\tJos\u00E9\nLocation\tSF."
-
-[string.multiline]
-
-# The following strings are byte-for-byte equivalent:
-key1 = "One\nTwo"
-key2 = """One\nTwo"""
-key3 = """
-One
-Two"""
-
-[string.multiline.continued]
-
-# The following strings are byte-for-byte equivalent:
-key1 = "The quick brown fox jumps over the lazy dog."
-
-key2 = """
-The quick brown \
-
-
-  fox jumps over \
-    the lazy dog."""
-
-key3 = """\
-       The quick brown \
-       fox jumps over \
-       the lazy dog.\
-       """
-
-[string.literal]
-
-# What you see is what you get.
-winpath  = 'C:\Users\nodejs\templates'
-winpath2 = '\\ServerX\admin$\system32\'
-quoted   = 'Tom "Dubs" Preston-Werner'
-regex    = '<\i\c*\s*>'
-
-
-[string.literal.multiline]
-
-regex2 = '''I [dw]on't need \d{2} apples'''
-lines  = '''
-The first newline is
-trimmed in raw strings.
-   All other whitespace
-   is preserved.
-'''
-
-
-################################################################################
-## Integer
-
-# Integers are whole numbers. Positive numbers may be prefixed with a plus sign.
-# Negative numbers are prefixed with a minus sign.
-
-[integer]
-
-key1 = +99
-key2 = 42
-key3 = 0
-key4 = -17
-
-[integer.underscores]
-
-# For large numbers, you may use underscores to enhance readability. Each
-# underscore must be surrounded by at least one digit.
-key1 = 1_000
-key2 = 5_349_221
-key3 = 1_2_3_4_5     # valid but inadvisable
-
-
-################################################################################
-## Float
-
-# A float consists of an integer part (which may be prefixed with a plus or
-# minus sign) followed by a fractional part and/or an exponent part.
-
-[float.fractional]
-
-key1 = +1.0
-key2 = 3.1415
-key3 = -0.01
-
-[float.exponent]
-
-key1 = 5e+22
-key2 = 1e6
-key3 = -2E-2
-
-[float.both]
-
-key = 6.626e-34
-
-[float.underscores]
-
-key1 = 9_224_617.445_991_228_313
-key2 = 1e1_00
-
-
-################################################################################
-## Boolean
-
-# Booleans are just the tokens you're used to. Always lowercase.
-
-[boolean]
-
-True = true
-False = false
-
-
-################################################################################
-## Datetime
-
-# Datetimes are RFC 3339 dates.
-
-[datetime]
-
-key1 = 1979-05-27T07:32:00Z
-key2 = 1979-05-27T00:32:00-07:00
-key3 = 1979-05-27T00:32:00.999999-07:00
-
-
-################################################################################
-## Array
-
-# Arrays are square brackets with other primitives inside. Whitespace is
-# ignored. Elements are separated by commas. Data types may not be mixed.
-
-[array]
-
-key1 = [ 1, 2, 3 ]
-key2 = [ "red", "yellow", "green" ]
-key3 = [ [ 1, 2 ], [3, 4, 5] ]
-#key4 = [ [ 1, 2 ], ["a", "b", "c"] ] # this is ok
-
-# Arrays can also be multiline. So in addition to ignoring whitespace, arrays
-# also ignore newlines between the brackets.  Terminating commas are ok before
-# the closing bracket.
-
-key5 = [
-  1, 2, 3
-]
-key6 = [
-  1,
-  2, # this is ok
-]
-
-
-################################################################################
-## Array of Tables
-
-# These can be expressed by using a table name in double brackets. Each table
-# with the same double bracketed name will be an element in the array. The
-# tables are inserted in the order encountered.
-
-[[products]]
-
-name = "Hammer"
-sku = 738594937
-
-[[products]]
-
-[[products]]
-
-name = "Nail"
-sku = 284758393
-color = "gray"
-
-
-# You can create nested arrays of tables as well.
-
-[[fruit]]
-  name = "apple"
-
-  [fruit.physical]
-    color = "red"
-    shape = "round"
-
-  [[fruit.variety]]
-    name = "red delicious"
-
-  [[fruit.variety]]
-    name = "granny smith"
-
-[[fruit]]
-  name = "banana"
-
-  [[fruit.variety]]
-    name = "plantain"
diff --git a/vendor/github.com/pelletier/go-toml/benchmark.yml b/vendor/github.com/pelletier/go-toml/benchmark.yml
deleted file mode 100644
index 0bd19f08a..000000000
--- a/vendor/github.com/pelletier/go-toml/benchmark.yml
+++ /dev/null
@@ -1,121 +0,0 @@
----
-array:
-  key1:
-  - 1
-  - 2
-  - 3
-  key2:
-  - red
-  - yellow
-  - green
-  key3:
-  - - 1
-    - 2
-  - - 3
-    - 4
-    - 5
-  key4:
-  - - 1
-    - 2
-  - - a
-    - b
-    - c
-  key5:
-  - 1
-  - 2
-  - 3
-  key6:
-  - 1
-  - 2
-boolean:
-  'False': false
-  'True': true
-datetime:
-  key1: '1979-05-27T07:32:00Z'
-  key2: '1979-05-27T00:32:00-07:00'
-  key3: '1979-05-27T00:32:00.999999-07:00'
-float:
-  both:
-    key: 6.626e-34
-  exponent:
-    key1: 5.0e+22
-    key2: 1000000
-    key3: -0.02
-  fractional:
-    key1: 1
-    key2: 3.1415
-    key3: -0.01
-  underscores:
-    key1: 9224617.445991227
-    key2: 1.0e+100
-fruit:
-- name: apple
-  physical:
-    color: red
-    shape: round
-  variety:
-  - name: red delicious
-  - name: granny smith
-- name: banana
-  variety:
-  - name: plantain
-integer:
-  key1: 99
-  key2: 42
-  key3: 0
-  key4: -17
-  underscores:
-    key1: 1000
-    key2: 5349221
-    key3: 12345
-products:
-- name: Hammer
-  sku: 738594937
-- {}
-- color: gray
-  name: Nail
-  sku: 284758393
-string:
-  basic:
-    basic: "I'm a string. \"You can quote me\". Name\tJosé\nLocation\tSF."
-  literal:
-    multiline:
-      lines: |
-        The first newline is
-        trimmed in raw strings.
-           All other whitespace
-           is preserved.
-      regex2: I [dw]on't need \d{2} apples
-    quoted: Tom "Dubs" Preston-Werner
-    regex: "<\\i\\c*\\s*>"
-    winpath: C:\Users\nodejs\templates
-    winpath2: "\\\\ServerX\\admin$\\system32\\"
-  multiline:
-    continued:
-      key1: The quick brown fox jumps over the lazy dog.
-      key2: The quick brown fox jumps over the lazy dog.
-      key3: The quick brown fox jumps over the lazy dog.
-    key1: |-
-      One
-      Two
-    key2: |-
-      One
-      Two
-    key3: |-
-      One
-      Two
-table:
-  inline:
-    name:
-      first: Tom
-      last: Preston-Werner
-    point:
-      x: 1
-      y: 2
-  key: value
-  subtable:
-    key: another value
-x:
-  y:
-    z:
-      w: {}
diff --git a/vendor/github.com/pelletier/go-toml/doc.go b/vendor/github.com/pelletier/go-toml/doc.go
index d5fd98c02..a1406a32b 100644
--- a/vendor/github.com/pelletier/go-toml/doc.go
+++ b/vendor/github.com/pelletier/go-toml/doc.go
@@ -1,7 +1,7 @@
 // Package toml is a TOML parser and manipulation library.
 //
 // This version supports the specification as described in
-// https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md
+// https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.5.0.md
 //
 // Marshaling
 //
diff --git a/vendor/github.com/pelletier/go-toml/example-crlf.toml b/vendor/github.com/pelletier/go-toml/example-crlf.toml
index 12950a163..780d9c68f 100644
--- a/vendor/github.com/pelletier/go-toml/example-crlf.toml
+++ b/vendor/github.com/pelletier/go-toml/example-crlf.toml
@@ -27,3 +27,4 @@ enabled = true
 
 [clients]
 data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it
+score = 4e-08 # to make sure leading zeroes in exponent parts of floats are supported
\ No newline at end of file
diff --git a/vendor/github.com/pelletier/go-toml/example.toml b/vendor/github.com/pelletier/go-toml/example.toml
index 3d902f282..f45bf88b8 100644
--- a/vendor/github.com/pelletier/go-toml/example.toml
+++ b/vendor/github.com/pelletier/go-toml/example.toml
@@ -27,3 +27,4 @@ enabled = true
 
 [clients]
 data = [ ["gamma", "delta"], [1, 2] ] # just an update to make sure parsers support it
+score = 4e-08 # to make sure leading zeroes in exponent parts of floats are supported
\ No newline at end of file
diff --git a/vendor/github.com/pelletier/go-toml/go.mod b/vendor/github.com/pelletier/go-toml/go.mod
new file mode 100644
index 000000000..7d29a0a66
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/go.mod
@@ -0,0 +1,3 @@
+module github.com/pelletier/go-toml
+
+go 1.12
diff --git a/vendor/github.com/pelletier/go-toml/keysparsing.go b/vendor/github.com/pelletier/go-toml/keysparsing.go
index 284db6467..e091500b2 100644
--- a/vendor/github.com/pelletier/go-toml/keysparsing.go
+++ b/vendor/github.com/pelletier/go-toml/keysparsing.go
@@ -3,83 +3,110 @@
 package toml
 
 import (
-	"bytes"
 	"errors"
 	"fmt"
-	"unicode"
 )
 
 // Convert the bare key group string to an array.
-// The input supports double quotation to allow "." inside the key name,
+// The input supports double quotation and single quotation,
 // but escape sequences are not supported. Lexers must unescape them beforehand.
 func parseKey(key string) ([]string, error) {
-	groups := []string{}
-	var buffer bytes.Buffer
-	inQuotes := false
-	wasInQuotes := false
-	ignoreSpace := true
-	expectDot := false
+	runes := []rune(key)
+	var groups []string
 
-	for _, char := range key {
-		if ignoreSpace {
-			if char == ' ' {
-				continue
-			}
-			ignoreSpace = false
+	if len(key) == 0 {
+		return nil, errors.New("empty key")
+	}
+
+	idx := 0
+	for idx < len(runes) {
+		for ; idx < len(runes) && isSpace(runes[idx]); idx++ {
+			// skip leading whitespace
 		}
-		switch char {
-		case '"':
-			if inQuotes {
-				groups = append(groups, buffer.String())
-				buffer.Reset()
-				wasInQuotes = true
-			}
-			inQuotes = !inQuotes
-			expectDot = false
-		case '.':
-			if inQuotes {
-				buffer.WriteRune(char)
-			} else {
-				if !wasInQuotes {
-					if buffer.Len() == 0 {
-						return nil, errors.New("empty table key")
+		if idx >= len(runes) {
+			break
+		}
+		r := runes[idx]
+		if isValidBareChar(r) {
+			// parse bare key
+			startIdx := idx
+			endIdx := -1
+			idx++
+			for idx < len(runes) {
+				r = runes[idx]
+				if isValidBareChar(r) {
+					idx++
+				} else if r == '.' {
+					endIdx = idx
+					break
+				} else if isSpace(r) {
+					endIdx = idx
+					for ; idx < len(runes) && isSpace(runes[idx]); idx++ {
+						// skip trailing whitespace
 					}
-					groups = append(groups, buffer.String())
-					buffer.Reset()
+					if idx < len(runes) && runes[idx] != '.' {
+						return nil, fmt.Errorf("invalid key character after whitespace: %c", runes[idx])
+					}
+					break
+				} else {
+					return nil, fmt.Errorf("invalid bare key character: %c", r)
 				}
-				ignoreSpace = true
-				expectDot = false
-				wasInQuotes = false
 			}
-		case ' ':
-			if inQuotes {
-				buffer.WriteRune(char)
-			} else {
-				expectDot = true
+			if endIdx == -1 {
+				endIdx = idx
 			}
-		default:
-			if !inQuotes && !isValidBareChar(char) {
-				return nil, fmt.Errorf("invalid bare character: %c", char)
+			groups = append(groups, string(runes[startIdx:endIdx]))
+		} else if r == '\'' {
+			// parse single quoted key
+			idx++
+			startIdx := idx
+			for {
+				if idx >= len(runes) {
+					return nil, fmt.Errorf("unclosed single-quoted key")
+				}
+				r = runes[idx]
+				if r == '\'' {
+					groups = append(groups, string(runes[startIdx:idx]))
+					idx++
+					break
+				}
+				idx++
 			}
-			if !inQuotes && expectDot {
-				return nil, errors.New("what?")
+		} else if r == '"' {
+			// parse double quoted key
+			idx++
+			startIdx := idx
+			for {
+				if idx >= len(runes) {
+					return nil, fmt.Errorf("unclosed double-quoted key")
+				}
+				r = runes[idx]
+				if r == '"' {
+					groups = append(groups, string(runes[startIdx:idx]))
+					idx++
+					break
+				}
+				idx++
 			}
-			buffer.WriteRune(char)
-			expectDot = false
+		} else if r == '.' {
+			idx++
+			if idx >= len(runes) {
+				return nil, fmt.Errorf("unexpected end of key")
+			}
+			r = runes[idx]
+			if !isValidBareChar(r) && r != '\'' && r != '"' && r != ' ' {
+				return nil, fmt.Errorf("expecting key part after dot")
+			}
+		} else {
+			return nil, fmt.Errorf("invalid key character: %c", r)
 		}
 	}
-	if inQuotes {
-		return nil, errors.New("mismatched quotes")
-	}
-	if buffer.Len() > 0 {
-		groups = append(groups, buffer.String())
-	}
 	if len(groups) == 0 {
-		return nil, errors.New("empty key")
+		return nil, fmt.Errorf("empty key")
 	}
 	return groups, nil
 }
 
 func isValidBareChar(r rune) bool {
-	return isAlphanumeric(r) || r == '-' || unicode.IsNumber(r)
+	return isAlphanumeric(r) || r == '-' || isDigit(r)
 }
diff --git a/vendor/github.com/pelletier/go-toml/lexer.go b/vendor/github.com/pelletier/go-toml/lexer.go
index d11de4285..313908e3e 100644
--- a/vendor/github.com/pelletier/go-toml/lexer.go
+++ b/vendor/github.com/pelletier/go-toml/lexer.go
@@ -9,13 +9,10 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"regexp"
 	"strconv"
 	"strings"
 )
 
-var dateRegexp *regexp.Regexp
-
 // Define state functions
 type tomlLexStateFn func() tomlLexStateFn
 
@@ -26,7 +23,7 @@ type tomlLexer struct {
 	currentTokenStart int
 	currentTokenStop  int
 	tokens            []token
-	depth             int
+	brackets          []rune
 	line              int
 	col               int
 	endbufferLine     int
@@ -123,6 +120,8 @@ func (l *tomlLexer) lexVoid() tomlLexStateFn {
 	for {
 		next := l.peek()
 		switch next {
+		case '}': // after '{'
+			return l.lexRightCurlyBrace
 		case '[':
 			return l.lexTableKey
 		case '#':
@@ -140,10 +139,6 @@ func (l *tomlLexer) lexVoid() tomlLexStateFn {
 			l.skip()
 		}
 
-		if l.depth > 0 {
-			return l.lexRvalue
-		}
-
 		if isKeyStartChar(next) {
 			return l.lexKey
 		}
@@ -167,10 +162,8 @@ func (l *tomlLexer) lexRvalue() tomlLexStateFn {
 		case '=':
 			return l.lexEqual
 		case '[':
-			l.depth++
 			return l.lexLeftBracket
 		case ']':
-			l.depth--
 			return l.lexRightBracket
 		case '{':
 			return l.lexLeftCurlyBrace
@@ -188,12 +181,10 @@ func (l *tomlLexer) lexRvalue() tomlLexStateFn {
 			fallthrough
 		case '\n':
 			l.skip()
-			if l.depth == 0 {
-				return l.lexVoid
+			if len(l.brackets) > 0 && l.brackets[len(l.brackets)-1] == '[' {
+				return l.lexRvalue
 			}
-			return l.lexRvalue
-		case '_':
-			return l.errorf("cannot start number with underscore")
+			return l.lexVoid
 		}
 
 		if l.follow("true") {
@@ -222,19 +213,12 @@ func (l *tomlLexer) lexRvalue() tomlLexStateFn {
 			break
 		}
 
-		possibleDate := l.peekString(35)
-		dateMatch := dateRegexp.FindString(possibleDate)
-		if dateMatch != "" {
-			l.fastForward(len(dateMatch))
-			return l.lexDate
-		}
-
-		if next == '+' || next == '-' || isDigit(next) {
+		if next == '+' || next == '-' {
 			return l.lexNumber
 		}
 
-		if isAlphanumeric(next) {
-			return l.lexKey
+		if isDigit(next) {
+			return l.lexDateTimeOrNumber
 		}
 
 		return l.errorf("no value can start with %c", next)
@@ -244,23 +228,290 @@ func (l *tomlLexer) lexRvalue() tomlLexStateFn {
 	return nil
 }
 
+func (l *tomlLexer) lexDateTimeOrNumber() tomlLexStateFn {
+	// Could be either a date/time, or a digit.
+	// The options for date/times are:
+	//   YYYY-... => date or date-time
+	//   HH:... => time
+	// Anything else should be a number.
+
+	lookAhead := l.peekString(5)
+	if len(lookAhead) < 3 {
+		return l.lexNumber()
+	}
+
+	for idx, r := range lookAhead {
+		if !isDigit(r) {
+			if idx == 2 && r == ':' {
+				return l.lexDateTimeOrTime()
+			}
+			if idx == 4 && r == '-' {
+				return l.lexDateTimeOrTime()
+			}
+			return l.lexNumber()
+		}
+	}
+	return l.lexNumber()
+}
+
 func (l *tomlLexer) lexLeftCurlyBrace() tomlLexStateFn {
 	l.next()
 	l.emit(tokenLeftCurlyBrace)
-	return l.lexRvalue
+	l.brackets = append(l.brackets, '{')
+	return l.lexVoid
 }
 
 func (l *tomlLexer) lexRightCurlyBrace() tomlLexStateFn {
 	l.next()
 	l.emit(tokenRightCurlyBrace)
+	if len(l.brackets) == 0 || l.brackets[len(l.brackets)-1] != '{' {
+		return l.errorf("cannot have '}' here")
+	}
+	l.brackets = l.brackets[:len(l.brackets)-1]
 	return l.lexRvalue
 }
 
-func (l *tomlLexer) lexDate() tomlLexStateFn {
-	l.emit(tokenDate)
+func (l *tomlLexer) lexDateTimeOrTime() tomlLexStateFn {
+	// Example matches:
+	// 1979-05-27T07:32:00Z
+	// 1979-05-27T00:32:00-07:00
+	// 1979-05-27T00:32:00.999999-07:00
+	// 1979-05-27 07:32:00Z
+	// 1979-05-27 00:32:00-07:00
+	// 1979-05-27 00:32:00.999999-07:00
+	// 1979-05-27T07:32:00
+	// 1979-05-27T00:32:00.999999
+	// 1979-05-27 07:32:00
+	// 1979-05-27 00:32:00.999999
+	// 1979-05-27
+	// 07:32:00
+	// 00:32:00.999999
+
+	// we already know those two are digits
+	l.next()
+	l.next()
+
+	// Got 2 digits. At that point it could be either a time or a date(-time).
+
+	r := l.next()
+	if r == ':' {
+		return l.lexTime()
+	}
+
+	return l.lexDateTime()
+}
+
+func (l *tomlLexer) lexDateTime() tomlLexStateFn {
+	// This state accepts an offset date-time, a local date-time, or a local date.
+	//
+	//   v--- cursor
+	// 1979-05-27T07:32:00Z
+	// 1979-05-27T00:32:00-07:00
+	// 1979-05-27T00:32:00.999999-07:00
+	// 1979-05-27 07:32:00Z
+	// 1979-05-27 00:32:00-07:00
+	// 1979-05-27 00:32:00.999999-07:00
+	// 1979-05-27T07:32:00
+	// 1979-05-27T00:32:00.999999
+	// 1979-05-27 07:32:00
+	// 1979-05-27 00:32:00.999999
+	// 1979-05-27
+
+	// date
+
+	// already checked by lexRvalue
+	l.next() // digit
+	l.next() // -
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid month digit in date: %c", r)
+		}
+	}
+
+	r := l.next()
+	if r != '-' {
+		return l.errorf("expected - to separate month of a date, not %c", r)
+	}
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid day digit in date: %c", r)
+		}
+	}
+
+	l.emit(tokenLocalDate)
+
+	r = l.peek()
+
+	if r == eof {
+
+		return l.lexRvalue
+	}
+
+	if r != ' ' && r != 'T' {
+		return l.errorf("incorrect date/time separation character: %c", r)
+	}
+
+	if r == ' ' {
+		lookAhead := l.peekString(3)[1:]
+		if len(lookAhead) < 2 {
+			return l.lexRvalue
+		}
+		for _, r := range lookAhead {
+			if !isDigit(r) {
+				return l.lexRvalue
+			}
+		}
+	}
+
+	l.skip() // skip the T or ' '
+
+	// time
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid hour digit in time: %c", r)
+		}
+	}
+
+	r = l.next()
+	if r != ':' {
+		return l.errorf("time hour/minute separator should be :, not %c", r)
+	}
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid minute digit in time: %c", r)
+		}
+	}
+
+	r = l.next()
+	if r != ':' {
+		return l.errorf("time minute/second separator should be :, not %c", r)
+	}
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid second digit in time: %c", r)
+		}
+	}
+
+	r = l.peek()
+	if r == '.' {
+		l.next()
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("expected at least one digit in time's fraction, not %c", r)
+		}
+
+		for {
+			r := l.peek()
+			if !isDigit(r) {
+				break
+			}
+			l.next()
+		}
+	}
+
+	l.emit(tokenLocalTime)
+
+	return l.lexTimeOffset
+
+}
+
+func (l *tomlLexer) lexTimeOffset() tomlLexStateFn {
+	// potential offset
+
+	// Z
+	// -07:00
+	// +07:00
+	// nothing
+
+	r := l.peek()
+
+	if r == 'Z' {
+		l.next()
+		l.emit(tokenTimeOffset)
+	} else if r == '+' || r == '-' {
+		l.next()
+
+		for i := 0; i < 2; i++ {
+			r := l.next()
+			if !isDigit(r) {
+				return l.errorf("invalid hour digit in time offset: %c", r)
+			}
+		}
+
+		r = l.next()
+		if r != ':' {
+			return l.errorf("time offset hour/minute separator should be :, not %c", r)
+		}
+
+		for i := 0; i < 2; i++ {
+			r := l.next()
+			if !isDigit(r) {
+				return l.errorf("invalid minute digit in time offset: %c", r)
+			}
+		}
+
+		l.emit(tokenTimeOffset)
+	}
+
 	return l.lexRvalue
 }
 
+func (l *tomlLexer) lexTime() tomlLexStateFn {
+	//   v--- cursor
+	// 07:32:00
+	// 00:32:00.999999
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid minute digit in time: %c", r)
+		}
+	}
+
+	r := l.next()
+	if r != ':' {
+		return l.errorf("time minute/second separator should be :, not %c", r)
+	}
+
+	for i := 0; i < 2; i++ {
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("invalid second digit in time: %c", r)
+		}
+	}
+
+	r = l.peek()
+	if r == '.' {
+		l.next()
+		r := l.next()
+		if !isDigit(r) {
+			return l.errorf("expected at least one digit in time's fraction, not %c", r)
+		}
+
+		for {
+			r := l.peek()
+			if !isDigit(r) {
+				break
+			}
+			l.next()
+		}
+	}
+
+	l.emit(tokenLocalTime)
+	return l.lexRvalue
+
+}
+
 func (l *tomlLexer) lexTrue() tomlLexStateFn {
 	l.fastForward(4)
 	l.emit(tokenTrue)
@@ -294,13 +545,16 @@ func (l *tomlLexer) lexEqual() tomlLexStateFn {
 func (l *tomlLexer) lexComma() tomlLexStateFn {
 	l.next()
 	l.emit(tokenComma)
+	if len(l.brackets) > 0 && l.brackets[len(l.brackets)-1] == '{' {
+		return l.lexVoid
+	}
 	return l.lexRvalue
 }
 
 // Parse the key and emits its value without escape sequences.
 // bare keys, basic string keys and literal string keys are supported.
 func (l *tomlLexer) lexKey() tomlLexStateFn {
-	growingString := ""
+	var sb strings.Builder
 
 	for r := l.peek(); isKeyChar(r) || r == '\n' || r == '\r'; r = l.peek() {
 		if r == '"' {
@@ -309,7 +563,9 @@ func (l *tomlLexer) lexKey() tomlLexStateFn {
 			if err != nil {
 				return l.errorf(err.Error())
 			}
-			growingString += str
+			sb.WriteString("\"")
+			sb.WriteString(str)
+			sb.WriteString("\"")
 			l.next()
 			continue
 		} else if r == '\'' {
@@ -318,20 +574,45 @@ func (l *tomlLexer) lexKey() tomlLexStateFn {
 			if err != nil {
 				return l.errorf(err.Error())
 			}
-			growingString += str
+			sb.WriteString("'")
+			sb.WriteString(str)
+			sb.WriteString("'")
 			l.next()
 			continue
 		} else if r == '\n' {
 			return l.errorf("keys cannot contain new lines")
 		} else if isSpace(r) {
-			break
+			var str strings.Builder
+			str.WriteString(" ")
+
+			// skip trailing whitespace
+			l.next()
+			for r = l.peek(); isSpace(r); r = l.peek() {
+				str.WriteRune(r)
+				l.next()
+			}
+			// break loop if not a dot
+			if r != '.' {
+				break
+			}
+			str.WriteString(".")
+			// skip trailing whitespace after dot
+			l.next()
+			for r = l.peek(); isSpace(r); r = l.peek() {
+				str.WriteRune(r)
+				l.next()
+			}
+			sb.WriteString(str.String())
+			continue
+		} else if r == '.' {
+			// skip
 		} else if !isValidBareChar(r) {
 			return l.errorf("keys cannot contain %c character", r)
 		}
-		growingString += string(r)
+		sb.WriteRune(r)
 		l.next()
 	}
-	l.emitWithValue(tokenKey, growingString)
+	l.emitWithValue(tokenKey, sb.String())
 	return l.lexVoid
 }
 
@@ -351,11 +632,12 @@ func (l *tomlLexer) lexComment(previousState tomlLexStateFn) tomlLexStateFn {
 func (l *tomlLexer) lexLeftBracket() tomlLexStateFn {
 	l.next()
 	l.emit(tokenLeftBracket)
+	l.brackets = append(l.brackets, '[')
 	return l.lexRvalue
 }
 
 func (l *tomlLexer) lexLiteralStringAsString(terminator string, discardLeadingNewLine bool) (string, error) {
-	growingString := ""
+	var sb strings.Builder
 
 	if discardLeadingNewLine {
 		if l.follow("\r\n") {
@@ -369,14 +651,14 @@ func (l *tomlLexer) lexLiteralStringAsString(terminator string, discardLeadingNe
 	// find end of string
 	for {
 		if l.follow(terminator) {
-			return growingString, nil
+			return sb.String(), nil
 		}
 
 		next := l.peek()
 		if next == eof {
 			break
 		}
-		growingString += string(l.next())
+		sb.WriteRune(l.next())
 	}
 
 	return "", errors.New("unclosed string")
@@ -410,7 +692,7 @@ func (l *tomlLexer) lexLiteralString() tomlLexStateFn {
 // Terminator is the substring indicating the end of the token.
 // The resulting string does not include the terminator.
 func (l *tomlLexer) lexStringAsString(terminator string, discardLeadingNewLine, acceptNewLines bool) (string, error) {
-	growingString := ""
+	var sb strings.Builder
 
 	if discardLeadingNewLine {
 		if l.follow("\r\n") {
@@ -423,7 +705,7 @@ func (l *tomlLexer) lexStringAsString(terminator string, discardLeadingNewLine,
 
 	for {
 		if l.follow(terminator) {
-			return growingString, nil
+			return sb.String(), nil
 		}
 
 		if l.follow("\\") {
@@ -441,72 +723,72 @@ func (l *tomlLexer) lexStringAsString(terminator string, discardLeadingNewLine,
 					l.next()
 				}
 			case '"':
-				growingString += "\""
+				sb.WriteString("\"")
 				l.next()
 			case 'n':
-				growingString += "\n"
+				sb.WriteString("\n")
 				l.next()
 			case 'b':
-				growingString += "\b"
+				sb.WriteString("\b")
 				l.next()
 			case 'f':
-				growingString += "\f"
+				sb.WriteString("\f")
 				l.next()
 			case '/':
-				growingString += "/"
+				sb.WriteString("/")
 				l.next()
 			case 't':
-				growingString += "\t"
+				sb.WriteString("\t")
 				l.next()
 			case 'r':
-				growingString += "\r"
+				sb.WriteString("\r")
 				l.next()
 			case '\\':
-				growingString += "\\"
+				sb.WriteString("\\")
 				l.next()
 			case 'u':
 				l.next()
-				code := ""
+				var code strings.Builder
 				for i := 0; i < 4; i++ {
 					c := l.peek()
 					if !isHexDigit(c) {
 						return "", errors.New("unfinished unicode escape")
 					}
 					l.next()
-					code = code + string(c)
+					code.WriteRune(c)
 				}
-				intcode, err := strconv.ParseInt(code, 16, 32)
+				intcode, err := strconv.ParseInt(code.String(), 16, 32)
 				if err != nil {
-					return "", errors.New("invalid unicode escape: \\u" + code)
+					return "", errors.New("invalid unicode escape: \\u" + code.String())
 				}
-				growingString += string(rune(intcode))
+				sb.WriteRune(rune(intcode))
 			case 'U':
 				l.next()
-				code := ""
+				var code strings.Builder
 				for i := 0; i < 8; i++ {
 					c := l.peek()
 					if !isHexDigit(c) {
 						return "", errors.New("unfinished unicode escape")
 					}
 					l.next()
-					code = code + string(c)
+					code.WriteRune(c)
 				}
-				intcode, err := strconv.ParseInt(code, 16, 64)
+				intcode, err := strconv.ParseInt(code.String(), 16, 64)
 				if err != nil {
-					return "", errors.New("invalid unicode escape: \\U" + code)
+					return "", errors.New("invalid unicode escape: \\U" + code.String())
 				}
-				growingString += string(rune(intcode))
+				sb.WriteRune(rune(intcode))
 			default:
 				return "", errors.New("invalid escape sequence: \\" + string(l.peek()))
 			}
 		} else {
 			r := l.peek()
 
-			if 0x00 <= r && r <= 0x1F && !(acceptNewLines && (r == '\n' || r == '\r')) {
+			if 0x00 <= r && r <= 0x1F && r != '\t' && !(acceptNewLines && (r == '\n' || r == '\r')) {
 				return "", fmt.Errorf("unescaped control character %U", r)
 			}
 			l.next()
-			growingString += string(r)
+			sb.WriteRune(r)
 		}
 
 		if l.peek() == eof {
@@ -533,7 +815,6 @@ func (l *tomlLexer) lexString() tomlLexStateFn {
 	}
 
 	str, err := l.lexStringAsString(terminator, discardLeadingNewLine, acceptNewLines)
-
 	if err != nil {
 		return l.errorf(err.Error())
 	}
@@ -605,6 +886,10 @@ func (l *tomlLexer) lexInsideTableKey() tomlLexStateFn {
 func (l *tomlLexer) lexRightBracket() tomlLexStateFn {
 	l.next()
 	l.emit(tokenRightBracket)
+	if len(l.brackets) == 0 || l.brackets[len(l.brackets)-1] != '[' {
+		return l.errorf("cannot have ']' here")
+	}
+	l.brackets = l.brackets[:len(l.brackets)-1]
 	return l.lexRvalue
 }
 
@@ -730,10 +1015,6 @@ func (l *tomlLexer) run() {
 	}
 }
 
-func init() {
-	dateRegexp = regexp.MustCompile(`^\d{1,4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{1,9})?(Z|[+-]\d{2}:\d{2})`)
-}
-
 // Entry point
 func lexToml(inputBytes []byte) []token {
 	runes := bytes.Runes(inputBytes)
diff --git a/vendor/github.com/pelletier/go-toml/localtime.go b/vendor/github.com/pelletier/go-toml/localtime.go
new file mode 100644
index 000000000..9dfe4b9e6
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/localtime.go
@@ -0,0 +1,287 @@
+// Implementation of TOML's local date/time.
+//
+// Copied over from Google's civil to avoid pulling all the Google dependencies.
+// Originals:
+//   https://raw.githubusercontent.com/googleapis/google-cloud-go/ed46f5086358513cf8c25f8e3f022cb838a49d66/civil/civil.go
+// Changes:
+//   * Renamed files from civil* to localtime*.
+//   * Package changed from civil to toml.
+//   * 'Local' prefix added to all structs.
+//
+// Copyright 2016 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package civil implements types for civil time, a time-zone-independent
+// representation of time that follows the rules of the proleptic
+// Gregorian calendar with exactly 24-hour days, 60-minute hours, and 60-second
+// minutes.
+//
+// Because they lack location information, these types do not represent unique
+// moments or intervals of time. Use time.Time for that purpose.
+package toml
+
+import (
+	"fmt"
+	"time"
+)
+
+// A LocalDate represents a date (year, month, day).
+//
+// This type does not include location information, and therefore does not
+// describe a unique 24-hour timespan.
+type LocalDate struct {
+	Year  int        // Year (e.g., 2014).
+	Month time.Month // Month of the year (January = 1, ...).
+	Day   int        // Day of the month, starting at 1.
+}
+
+// LocalDateOf returns the LocalDate in which a time occurs in that time's location.
+func LocalDateOf(t time.Time) LocalDate {
+	var d LocalDate
+	d.Year, d.Month, d.Day = t.Date()
+	return d
+}
+
+// ParseLocalDate parses a string in RFC3339 full-date format and returns the date value it represents.
+func ParseLocalDate(s string) (LocalDate, error) {
+	t, err := time.Parse("2006-01-02", s)
+	if err != nil {
+		return LocalDate{}, err
+	}
+	return LocalDateOf(t), nil
+}
+
+// String returns the date in RFC3339 full-date format.
+func (d LocalDate) String() string {
+	return fmt.Sprintf("%04d-%02d-%02d", d.Year, d.Month, d.Day)
+}
+
+// IsValid reports whether the date is valid.
+func (d LocalDate) IsValid() bool {
+	return LocalDateOf(d.In(time.UTC)) == d
+}
+
+// In returns the time corresponding to time 00:00:00 of the date in the location.
+//
+// In is always consistent with time.LocalDate, even when time.LocalDate returns a time
+// on a different day. For example, if loc is America/Indiana/Vincennes, then both
+//     time.LocalDate(1955, time.May, 1, 0, 0, 0, 0, loc)
+// and
+//     civil.LocalDate{Year: 1955, Month: time.May, Day: 1}.In(loc)
+// return 23:00:00 on April 30, 1955.
+//
+// In panics if loc is nil.
+func (d LocalDate) In(loc *time.Location) time.Time {
+	return time.Date(d.Year, d.Month, d.Day, 0, 0, 0, 0, loc)
+}
+
+// AddDays returns the date that is n days in the future.
+// n can also be negative to go into the past.
+func (d LocalDate) AddDays(n int) LocalDate {
+	return LocalDateOf(d.In(time.UTC).AddDate(0, 0, n))
+}
+
+// DaysSince returns the signed number of days between the date and s, not including the end day.
+// This is the inverse operation to AddDays.
+func (d LocalDate) DaysSince(s LocalDate) (days int) {
+	// We convert to Unix time so we do not have to worry about leap seconds:
+	// Unix time increases by exactly 86400 seconds per day.
+	deltaUnix := d.In(time.UTC).Unix() - s.In(time.UTC).Unix()
+	return int(deltaUnix / 86400)
+}
+
+// Before reports whether d1 occurs before d2.
+func (d1 LocalDate) Before(d2 LocalDate) bool {
+	if d1.Year != d2.Year {
+		return d1.Year < d2.Year
+	}
+	if d1.Month != d2.Month {
+		return d1.Month < d2.Month
+	}
+	return d1.Day < d2.Day
+}
+
+// After reports whether d1 occurs after d2.
+func (d1 LocalDate) After(d2 LocalDate) bool {
+	return d2.Before(d1)
+}
+
+// MarshalText implements the encoding.TextMarshaler interface.
+// The output is the result of d.String().
+func (d LocalDate) MarshalText() ([]byte, error) {
+	return []byte(d.String()), nil
+}
+
+// UnmarshalText implements the encoding.TextUnmarshaler interface.
+// The date is expected to be a string in a format accepted by ParseLocalDate.
+func (d *LocalDate) UnmarshalText(data []byte) error {
+	var err error
+	*d, err = ParseLocalDate(string(data))
+	return err
+}
+
+// A LocalTime represents a time with nanosecond precision.
+//
+// This type does not include location information, and therefore does not
+// describe a unique moment in time.
+//
+// This type exists to represent the TIME type in storage-based APIs like BigQuery.
+// Most operations on Times are unlikely to be meaningful. Prefer the LocalDateTime type.
+type LocalTime struct {
+	Hour       int // The hour of the day in 24-hour format; range [0-23]
+	Minute     int // The minute of the hour; range [0-59]
+	Second     int // The second of the minute; range [0-59]
+	Nanosecond int // The nanosecond of the second; range [0-999999999]
+}
+
+// LocalTimeOf returns the LocalTime representing the time of day in which a time occurs
+// in that time's location. It ignores the date.
+func LocalTimeOf(t time.Time) LocalTime {
+	var tm LocalTime
+	tm.Hour, tm.Minute, tm.Second = t.Clock()
+	tm.Nanosecond = t.Nanosecond()
+	return tm
+}
+
+// ParseLocalTime parses a string and returns the time value it represents.
+// ParseLocalTime accepts an extended form of the RFC3339 partial-time format. After
+// the HH:MM:SS part of the string, an optional fractional part may appear,
+// consisting of a decimal point followed by one to nine decimal digits.
+// (RFC3339 admits only one digit after the decimal point).
+func ParseLocalTime(s string) (LocalTime, error) {
+	t, err := time.Parse("15:04:05.999999999", s)
+	if err != nil {
+		return LocalTime{}, err
+	}
+	return LocalTimeOf(t), nil
+}
+
+// String returns the date in the format described in ParseLocalTime. If Nanoseconds
+// is zero, no fractional part will be generated. Otherwise, the result will
+// end with a fractional part consisting of a decimal point and nine digits.
+func (t LocalTime) String() string {
+	s := fmt.Sprintf("%02d:%02d:%02d", t.Hour, t.Minute, t.Second)
+	if t.Nanosecond == 0 {
+		return s
+	}
+	return s + fmt.Sprintf(".%09d", t.Nanosecond)
+}
+
+// IsValid reports whether the time is valid.
+func (t LocalTime) IsValid() bool {
+	// Construct a non-zero time.
+	tm := time.Date(2, 2, 2, t.Hour, t.Minute, t.Second, t.Nanosecond, time.UTC)
+	return LocalTimeOf(tm) == t
+}
+
+// MarshalText implements the encoding.TextMarshaler interface.
+// The output is the result of t.String().
+func (t LocalTime) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+// UnmarshalText implements the encoding.TextUnmarshaler interface.
+// The time is expected to be a string in a format accepted by ParseLocalTime.
+func (t *LocalTime) UnmarshalText(data []byte) error {
+	var err error
+	*t, err = ParseLocalTime(string(data))
+	return err
+}
+
+// A LocalDateTime represents a date and time.
+//
+// This type does not include location information, and therefore does not
+// describe a unique moment in time.
+type LocalDateTime struct {
+	Date LocalDate
+	Time LocalTime
+}
+
+// Note: We deliberately do not embed LocalDate into LocalDateTime, to avoid promoting AddDays and Sub.
+
+// LocalDateTimeOf returns the LocalDateTime in which a time occurs in that time's location.
+func LocalDateTimeOf(t time.Time) LocalDateTime {
+	return LocalDateTime{
+		Date: LocalDateOf(t),
+		Time: LocalTimeOf(t),
+	}
+}
+
+// ParseLocalDateTime parses a string and returns the LocalDateTime it represents.
+// ParseLocalDateTime accepts a variant of the RFC3339 date-time format that omits
+// the time offset but includes an optional fractional time, as described in
+// ParseLocalTime. Informally, the accepted format is
+//     YYYY-MM-DDTHH:MM:SS[.FFFFFFFFF]
+// where the 'T' may be a lower-case 't'.
+func ParseLocalDateTime(s string) (LocalDateTime, error) {
+	t, err := time.Parse("2006-01-02T15:04:05.999999999", s)
+	if err != nil {
+		t, err = time.Parse("2006-01-02t15:04:05.999999999", s)
+		if err != nil {
+			return LocalDateTime{}, err
+		}
+	}
+	return LocalDateTimeOf(t), nil
+}
+
+// String returns the date in the format described in ParseLocalDate.
+func (dt LocalDateTime) String() string {
+	return dt.Date.String() + "T" + dt.Time.String()
+}
+
+// IsValid reports whether the datetime is valid.
+func (dt LocalDateTime) IsValid() bool {
+	return dt.Date.IsValid() && dt.Time.IsValid()
+}
+
+// In returns the time corresponding to the LocalDateTime in the given location.
+//
+// If the time is missing or ambigous at the location, In returns the same
+// result as time.LocalDate. For example, if loc is America/Indiana/Vincennes, then
+// both
+//     time.LocalDate(1955, time.May, 1, 0, 30, 0, 0, loc)
+// and
+//     civil.LocalDateTime{
+//         civil.LocalDate{Year: 1955, Month: time.May, Day: 1}},
+//         civil.LocalTime{Minute: 30}}.In(loc)
+// return 23:30:00 on April 30, 1955.
+//
+// In panics if loc is nil.
+func (dt LocalDateTime) In(loc *time.Location) time.Time {
+	return time.Date(dt.Date.Year, dt.Date.Month, dt.Date.Day, dt.Time.Hour, dt.Time.Minute, dt.Time.Second, dt.Time.Nanosecond, loc)
+}
+
+// Before reports whether dt1 occurs before dt2.
+func (dt1 LocalDateTime) Before(dt2 LocalDateTime) bool {
+	return dt1.In(time.UTC).Before(dt2.In(time.UTC))
+}
+
+// After reports whether dt1 occurs after dt2.
+func (dt1 LocalDateTime) After(dt2 LocalDateTime) bool {
+	return dt2.Before(dt1)
+}
+
+// MarshalText implements the encoding.TextMarshaler interface.
+// The output is the result of dt.String().
+func (dt LocalDateTime) MarshalText() ([]byte, error) {
+	return []byte(dt.String()), nil
+}
+
+// UnmarshalText implements the encoding.TextUnmarshaler interface.
+// The datetime is expected to be a string in a format accepted by ParseLocalDateTime
+func (dt *LocalDateTime) UnmarshalText(data []byte) error {
+	var err error
+	*dt, err = ParseLocalDateTime(string(data))
+	return err
+}
diff --git a/vendor/github.com/pelletier/go-toml/marshal.go b/vendor/github.com/pelletier/go-toml/marshal.go
index 671da5564..3443c3545 100644
--- a/vendor/github.com/pelletier/go-toml/marshal.go
+++ b/vendor/github.com/pelletier/go-toml/marshal.go
@@ -2,24 +2,36 @@ package toml
 
 import (
 	"bytes"
+	"encoding"
 	"errors"
 	"fmt"
 	"io"
 	"reflect"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
 )
 
-const tagKeyMultiline = "multiline"
+const (
+	tagFieldName    = "toml"
+	tagFieldComment = "comment"
+	tagCommented    = "commented"
+	tagMultiline    = "multiline"
+	tagLiteral      = "literal"
+	tagDefault      = "default"
+)
 
 type tomlOpts struct {
-	name      string
-	comment   string
-	commented bool
-	multiline bool
-	include   bool
-	omitempty bool
+	name         string
+	nameFromTag  bool
+	comment      string
+	commented    bool
+	multiline    bool
+	literal      bool
+	include      bool
+	omitempty    bool
+	defaultValue string
 }
 
 type encOpts struct {
@@ -31,10 +43,46 @@ var encOptsDefaults = encOpts{
 	quoteMapKeys: false,
 }
 
+type annotation struct {
+	tag          string
+	comment      string
+	commented    string
+	multiline    string
+	literal      string
+	defaultValue string
+}
+
+var annotationDefault = annotation{
+	tag:          tagFieldName,
+	comment:      tagFieldComment,
+	commented:    tagCommented,
+	multiline:    tagMultiline,
+	literal:      tagLiteral,
+	defaultValue: tagDefault,
+}
+
+type MarshalOrder int
+
+// Orders the Encoder can write the fields to the output stream.
+const (
+	// Sort fields alphabetically.
+	OrderAlphabetical MarshalOrder = iota + 1
+	// Preserve the order the fields are encountered. For example, the order of fields in
+	// a struct.
+	OrderPreserve
+)
+
 var timeType = reflect.TypeOf(time.Time{})
 var marshalerType = reflect.TypeOf(new(Marshaler)).Elem()
+var unmarshalerType = reflect.TypeOf(new(Unmarshaler)).Elem()
+var textMarshalerType = reflect.TypeOf(new(encoding.TextMarshaler)).Elem()
+var textUnmarshalerType = reflect.TypeOf(new(encoding.TextUnmarshaler)).Elem()
+var localDateType = reflect.TypeOf(LocalDate{})
+var localTimeType = reflect.TypeOf(LocalTime{})
+var localDateTimeType = reflect.TypeOf(LocalDateTime{})
+var mapStringInterfaceType = reflect.TypeOf(map[string]interface{}{})
 
-// Check if the given marshall type maps to a Tree primitive
+// Check if the given marshal type maps to a Tree primitive
 func isPrimitive(mtype reflect.Type) bool {
 	switch mtype.Kind() {
 	case reflect.Ptr:
@@ -50,37 +98,69 @@ func isPrimitive(mtype reflect.Type) bool {
 	case reflect.String:
 		return true
 	case reflect.Struct:
-		return mtype == timeType || isCustomMarshaler(mtype)
+		return isTimeType(mtype)
 	default:
 		return false
 	}
 }
 
-// Check if the given marshall type maps to a Tree slice
-func isTreeSlice(mtype reflect.Type) bool {
-	switch mtype.Kind() {
-	case reflect.Slice:
-		return !isOtherSlice(mtype)
-	default:
-		return false
-	}
+func isTimeType(mtype reflect.Type) bool {
+	return mtype == timeType || mtype == localDateType || mtype == localDateTimeType || mtype == localTimeType
 }
 
-// Check if the given marshall type maps to a non-Tree slice
-func isOtherSlice(mtype reflect.Type) bool {
+// Check if the given marshal type maps to a Tree slice or array
+func isTreeSequence(mtype reflect.Type) bool {
 	switch mtype.Kind() {
 	case reflect.Ptr:
-		return isOtherSlice(mtype.Elem())
-	case reflect.Slice:
-		return isPrimitive(mtype.Elem()) || isOtherSlice(mtype.Elem())
+		return isTreeSequence(mtype.Elem())
+	case reflect.Slice, reflect.Array:
+		return isTree(mtype.Elem())
 	default:
 		return false
 	}
 }
 
-// Check if the given marshall type maps to a Tree
+// Check if the given marshal type maps to a slice or array of a custom marshaler type
+func isCustomMarshalerSequence(mtype reflect.Type) bool {
+	switch mtype.Kind() {
+	case reflect.Ptr:
+		return isCustomMarshalerSequence(mtype.Elem())
+	case reflect.Slice, reflect.Array:
+		return isCustomMarshaler(mtype.Elem()) || isCustomMarshaler(reflect.New(mtype.Elem()).Type())
+	default:
+		return false
+	}
+}
+
+// Check if the given marshal type maps to a slice or array of a text marshaler type
+func isTextMarshalerSequence(mtype reflect.Type) bool {
+	switch mtype.Kind() {
+	case reflect.Ptr:
+		return isTextMarshalerSequence(mtype.Elem())
+	case reflect.Slice, reflect.Array:
+		return isTextMarshaler(mtype.Elem()) || isTextMarshaler(reflect.New(mtype.Elem()).Type())
+	default:
+		return false
+	}
+}
+
+// Check if the given marshal type maps to a non-Tree slice or array
+func isOtherSequence(mtype reflect.Type) bool {
+	switch mtype.Kind() {
+	case reflect.Ptr:
+		return isOtherSequence(mtype.Elem())
+	case reflect.Slice, reflect.Array:
+		return !isTreeSequence(mtype)
+	default:
+		return false
+	}
+}
+
+// Check if the given marshal type maps to a Tree
 func isTree(mtype reflect.Type) bool {
 	switch mtype.Kind() {
+	case reflect.Ptr:
+		return isTree(mtype.Elem())
 	case reflect.Map:
 		return true
 	case reflect.Struct:
@@ -98,12 +178,42 @@ func callCustomMarshaler(mval reflect.Value) ([]byte, error) {
 	return mval.Interface().(Marshaler).MarshalTOML()
 }
 
+func isTextMarshaler(mtype reflect.Type) bool {
+	return mtype.Implements(textMarshalerType) && !isTimeType(mtype)
+}
+
+func callTextMarshaler(mval reflect.Value) ([]byte, error) {
+	return mval.Interface().(encoding.TextMarshaler).MarshalText()
+}
+
+func isCustomUnmarshaler(mtype reflect.Type) bool {
+	return mtype.Implements(unmarshalerType)
+}
+
+func callCustomUnmarshaler(mval reflect.Value, tval interface{}) error {
+	return mval.Interface().(Unmarshaler).UnmarshalTOML(tval)
+}
+
+func isTextUnmarshaler(mtype reflect.Type) bool {
+	return mtype.Implements(textUnmarshalerType)
+}
+
+func callTextUnmarshaler(mval reflect.Value, text []byte) error {
+	return mval.Interface().(encoding.TextUnmarshaler).UnmarshalText(text)
+}
+
 // Marshaler is the interface implemented by types that
 // can marshal themselves into valid TOML.
 type Marshaler interface {
 	MarshalTOML() ([]byte, error)
 }
 
+// Unmarshaler is the interface implemented by types that
+// can unmarshal a TOML description of themselves.
+type Unmarshaler interface {
+	UnmarshalTOML(interface{}) error
+}
+
 /*
 Marshal returns the TOML encoding of v.  Behavior is similar to the Go json
 encoder, except that there is no concept of a Marshaler interface or MarshalTOML
@@ -135,7 +245,9 @@ Tree primitive types and corresponding marshal types:
   float64    float32, float64, pointers to same
   string     string, pointers to same
   bool       bool, pointers to same
-  time.Time  time.Time{}, pointers to same
+  time.LocalTime  time.LocalTime{}, pointers to same
+
+For additional flexibility, use the Encoder API.
 */
 func Marshal(v interface{}) ([]byte, error) {
 	return NewEncoder(nil).marshal(v)
@@ -145,13 +257,25 @@ func Marshal(v interface{}) ([]byte, error) {
 type Encoder struct {
 	w io.Writer
 	encOpts
+	annotation
+	line            int
+	col             int
+	order           MarshalOrder
+	promoteAnon     bool
+	compactComments bool
+	indentation     string
 }
 
 // NewEncoder returns a new encoder that writes to w.
 func NewEncoder(w io.Writer) *Encoder {
 	return &Encoder{
-		w:       w,
-		encOpts: encOptsDefaults,
+		w:           w,
+		encOpts:     encOptsDefaults,
+		annotation:  annotationDefault,
+		line:        0,
+		col:         1,
+		order:       OrderAlphabetical,
+		indentation: "  ",
 	}
 }
 
@@ -197,65 +321,182 @@ func (e *Encoder) ArraysWithOneElementPerLine(v bool) *Encoder {
 	return e
 }
 
+// Order allows to change in which order fields will be written to the output stream.
+func (e *Encoder) Order(ord MarshalOrder) *Encoder {
+	e.order = ord
+	return e
+}
+
+// Indentation allows to change indentation when marshalling.
+func (e *Encoder) Indentation(indent string) *Encoder {
+	e.indentation = indent
+	return e
+}
+
+// SetTagName allows changing default tag "toml"
+func (e *Encoder) SetTagName(v string) *Encoder {
+	e.tag = v
+	return e
+}
+
+// SetTagComment allows changing default tag "comment"
+func (e *Encoder) SetTagComment(v string) *Encoder {
+	e.comment = v
+	return e
+}
+
+// SetTagCommented allows changing default tag "commented"
+func (e *Encoder) SetTagCommented(v string) *Encoder {
+	e.commented = v
+	return e
+}
+
+// SetTagMultiline allows changing default tag "multiline"
+func (e *Encoder) SetTagMultiline(v string) *Encoder {
+	e.multiline = v
+	return e
+}
+
+// PromoteAnonymous allows to change how anonymous struct fields are marshaled.
+// Usually, they are marshaled as if the inner exported fields were fields in
+// the outer struct. However, if an anonymous struct field is given a name in
+// its TOML tag, it is treated like a regular struct field with that name.
+// rather than being anonymous.
+//
+// In case anonymous promotion is enabled, all anonymous structs are promoted
+// and treated like regular struct fields.
+func (e *Encoder) PromoteAnonymous(promote bool) *Encoder {
+	e.promoteAnon = promote
+	return e
+}
+
+// CompactComments removes the new line before each comment in the tree.
+func (e *Encoder) CompactComments(cc bool) *Encoder {
+	e.compactComments = cc
+	return e
+}
+
 func (e *Encoder) marshal(v interface{}) ([]byte, error) {
-	mtype := reflect.TypeOf(v)
-	if mtype.Kind() != reflect.Struct {
-		return []byte{}, errors.New("Only a struct can be marshaled to TOML")
+	// Check if indentation is valid
+	for _, char := range e.indentation {
+		if !isSpace(char) {
+			return []byte{}, fmt.Errorf("invalid indentation: must only contains space or tab characters")
+		}
 	}
+
+	mtype := reflect.TypeOf(v)
+	if mtype == nil {
+		return []byte{}, errors.New("nil cannot be marshaled to TOML")
+	}
+
+	switch mtype.Kind() {
+	case reflect.Struct, reflect.Map:
+	case reflect.Ptr:
+		if mtype.Elem().Kind() != reflect.Struct {
+			return []byte{}, errors.New("Only pointer to struct can be marshaled to TOML")
+		}
+		if reflect.ValueOf(v).IsNil() {
+			return []byte{}, errors.New("nil pointer cannot be marshaled to TOML")
+		}
+	default:
+		return []byte{}, errors.New("Only a struct or map can be marshaled to TOML")
+	}
+
 	sval := reflect.ValueOf(v)
 	if isCustomMarshaler(mtype) {
 		return callCustomMarshaler(sval)
 	}
+	if isTextMarshaler(mtype) {
+		return callTextMarshaler(sval)
+	}
 	t, err := e.valueToTree(mtype, sval)
 	if err != nil {
 		return []byte{}, err
 	}
 
 	var buf bytes.Buffer
-	_, err = t.writeTo(&buf, "", "", 0, e.arraysOneElementPerLine)
+	_, err = t.writeToOrdered(&buf, "", "", 0, e.arraysOneElementPerLine, e.order, e.indentation, e.compactComments, false)
 
 	return buf.Bytes(), err
 }
 
+// Create next tree with a position based on Encoder.line
+func (e *Encoder) nextTree() *Tree {
+	return newTreeWithPosition(Position{Line: e.line, Col: 1})
+}
+
 // Convert given marshal struct or map value to toml tree
 func (e *Encoder) valueToTree(mtype reflect.Type, mval reflect.Value) (*Tree, error) {
 	if mtype.Kind() == reflect.Ptr {
 		return e.valueToTree(mtype.Elem(), mval.Elem())
 	}
-	tval := newTree()
+	tval := e.nextTree()
 	switch mtype.Kind() {
 	case reflect.Struct:
-		for i := 0; i < mtype.NumField(); i++ {
-			mtypef, mvalf := mtype.Field(i), mval.Field(i)
-			opts := tomlOptions(mtypef)
-			if opts.include && (!opts.omitempty || !isZero(mvalf)) {
-				val, err := e.valueToToml(mtypef.Type, mvalf)
-				if err != nil {
-					return nil, err
+		switch mval.Interface().(type) {
+		case Tree:
+			reflect.ValueOf(tval).Elem().Set(mval)
+		default:
+			for i := 0; i < mtype.NumField(); i++ {
+				mtypef, mvalf := mtype.Field(i), mval.Field(i)
+				opts := tomlOptions(mtypef, e.annotation)
+				if opts.include && ((mtypef.Type.Kind() != reflect.Interface && !opts.omitempty) || !isZero(mvalf)) {
+					val, err := e.valueToToml(mtypef.Type, mvalf)
+					if err != nil {
+						return nil, err
+					}
+					if tree, ok := val.(*Tree); ok && mtypef.Anonymous && !opts.nameFromTag && !e.promoteAnon {
+						e.appendTree(tval, tree)
+					} else {
+						val = e.wrapTomlValue(val, tval)
+						tval.SetPathWithOptions([]string{opts.name}, SetOptions{
+							Comment:   opts.comment,
+							Commented: opts.commented,
+							Multiline: opts.multiline,
+							Literal:   opts.literal,
+						}, val)
+					}
 				}
-
-				tval.SetWithOptions(opts.name, SetOptions{
-					Comment:   opts.comment,
-					Commented: opts.commented,
-					Multiline: opts.multiline,
-				}, val)
 			}
 		}
 	case reflect.Map:
-		for _, key := range mval.MapKeys() {
+		keys := mval.MapKeys()
+		if e.order == OrderPreserve && len(keys) > 0 {
+			// Sorting []reflect.Value is not straight forward.
+			//
+			// OrderPreserve will support deterministic results when string is used
+			// as the key to maps.
+			typ := keys[0].Type()
+			kind := keys[0].Kind()
+			if kind == reflect.String {
+				ikeys := make([]string, len(keys))
+				for i := range keys {
+					ikeys[i] = keys[i].Interface().(string)
+				}
+				sort.Strings(ikeys)
+				for i := range ikeys {
+					keys[i] = reflect.ValueOf(ikeys[i]).Convert(typ)
+				}
+			}
+		}
+		for _, key := range keys {
 			mvalf := mval.MapIndex(key)
+			if (mtype.Elem().Kind() == reflect.Ptr || mtype.Elem().Kind() == reflect.Interface) && mvalf.IsNil() {
+				continue
+			}
 			val, err := e.valueToToml(mtype.Elem(), mvalf)
 			if err != nil {
 				return nil, err
 			}
+			val = e.wrapTomlValue(val, tval)
 			if e.quoteMapKeys {
-				keyStr, err := tomlValueStringRepresentation(key.String(), "", e.arraysOneElementPerLine)
+				keyStr, err := tomlValueStringRepresentation(key.String(), "", "", e.order, e.arraysOneElementPerLine)
 				if err != nil {
 					return nil, err
 				}
 				tval.SetPath([]string{keyStr}, val)
 			} else {
-				tval.Set(key.String(), val)
+				tval.SetPath([]string{key.String()}, val)
 			}
 		}
 	}
@@ -291,22 +532,39 @@ func (e *Encoder) valueToOtherSlice(mtype reflect.Type, mval reflect.Value) (int
 // Convert given marshal value to toml value
 func (e *Encoder) valueToToml(mtype reflect.Type, mval reflect.Value) (interface{}, error) {
 	if mtype.Kind() == reflect.Ptr {
-		return e.valueToToml(mtype.Elem(), mval.Elem())
+		switch {
+		case isCustomMarshaler(mtype):
+			return callCustomMarshaler(mval)
+		case isTextMarshaler(mtype):
+			b, err := callTextMarshaler(mval)
+			return string(b), err
+		default:
+			return e.valueToToml(mtype.Elem(), mval.Elem())
+		}
+	}
+	if mtype.Kind() == reflect.Interface {
+		return e.valueToToml(mval.Elem().Type(), mval.Elem())
 	}
 	switch {
 	case isCustomMarshaler(mtype):
 		return callCustomMarshaler(mval)
+	case isTextMarshaler(mtype):
+		b, err := callTextMarshaler(mval)
+		return string(b), err
 	case isTree(mtype):
 		return e.valueToTree(mtype, mval)
-	case isTreeSlice(mtype):
-		return e.valueToTreeSlice(mtype, mval)
-	case isOtherSlice(mtype):
+	case isOtherSequence(mtype), isCustomMarshalerSequence(mtype), isTextMarshalerSequence(mtype):
 		return e.valueToOtherSlice(mtype, mval)
+	case isTreeSequence(mtype):
+		return e.valueToTreeSlice(mtype, mval)
 	default:
 		switch mtype.Kind() {
 		case reflect.Bool:
 			return mval.Bool(), nil
 		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+			if mtype.Kind() == reflect.Int64 && mtype == reflect.TypeOf(time.Duration(1)) {
+				return fmt.Sprint(mval), nil
+			}
 			return mval.Int(), nil
 		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
 			return mval.Uint(), nil
@@ -315,18 +573,51 @@ func (e *Encoder) valueToToml(mtype reflect.Type, mval reflect.Value) (interface
 		case reflect.String:
 			return mval.String(), nil
 		case reflect.Struct:
-			return mval.Interface().(time.Time), nil
+			return mval.Interface(), nil
 		default:
 			return nil, fmt.Errorf("Marshal can't handle %v(%v)", mtype, mtype.Kind())
 		}
 	}
 }
 
+func (e *Encoder) appendTree(t, o *Tree) error {
+	for key, value := range o.values {
+		if _, ok := t.values[key]; ok {
+			continue
+		}
+		if tomlValue, ok := value.(*tomlValue); ok {
+			tomlValue.position.Col = t.position.Col
+		}
+		t.values[key] = value
+	}
+	return nil
+}
+
+// Create a toml value with the current line number as the position line
+func (e *Encoder) wrapTomlValue(val interface{}, parent *Tree) interface{} {
+	_, isTree := val.(*Tree)
+	_, isTreeS := val.([]*Tree)
+	if isTree || isTreeS {
+		e.line++
+		return val
+	}
+
+	ret := &tomlValue{
+		value: val,
+		position: Position{
+			e.line,
+			parent.position.Col,
+		},
+	}
+	e.line++
+	return ret
+}
+
 // Unmarshal attempts to unmarshal the Tree into a Go struct pointed by v.
 // Neither Unmarshaler interfaces nor UnmarshalTOML functions are supported for
 // sub-structs, and only definite types can be unmarshaled.
 func (t *Tree) Unmarshal(v interface{}) error {
-	d := Decoder{tval: t}
+	d := Decoder{tval: t, tagName: tagFieldName}
 	return d.unmarshal(v)
 }
 
@@ -334,8 +625,11 @@ func (t *Tree) Unmarshal(v interface{}) error {
 // See Marshal() documentation for types mapping table.
 func (t *Tree) Marshal() ([]byte, error) {
 	var buf bytes.Buffer
-	err := NewEncoder(&buf).Encode(t)
-	return buf.Bytes(), err
+	_, err := t.WriteTo(&buf)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
 }
 
 // Unmarshal parses the TOML-encoded data and stores the result in the value
@@ -347,6 +641,14 @@ func (t *Tree) Marshal() ([]byte, error) {
 // The following struct annotations are supported:
 //
 //   toml:"Field" Overrides the field's name to map to.
+//   default:"foo" Provides a default value.
+//
+// For default values, only fields of the following types are supported:
+//   * string
+//   * bool
+//   * int
+//   * int64
+//   * float64
 //
 // See Marshal() documentation for types mapping table.
 func Unmarshal(data []byte, v interface{}) error {
@@ -362,6 +664,9 @@ type Decoder struct {
 	r    io.Reader
 	tval *Tree
 	encOpts
+	tagName string
+	strict  bool
+	visitor visitorState
 }
 
 // NewDecoder returns a new decoder that reads from r.
@@ -369,6 +674,7 @@ func NewDecoder(r io.Reader) *Decoder {
 	return &Decoder{
 		r:       r,
 		encOpts: encOptsDefaults,
+		tagName: tagFieldName,
 	}
 }
 
@@ -385,60 +691,214 @@ func (d *Decoder) Decode(v interface{}) error {
 	return d.unmarshal(v)
 }
 
+// SetTagName allows changing default tag "toml"
+func (d *Decoder) SetTagName(v string) *Decoder {
+	d.tagName = v
+	return d
+}
+
+// Strict allows changing to strict decoding. Any fields that are found in the
+// input data and do not have a corresponding struct member cause an error.
+func (d *Decoder) Strict(strict bool) *Decoder {
+	d.strict = strict
+	return d
+}
+
 func (d *Decoder) unmarshal(v interface{}) error {
 	mtype := reflect.TypeOf(v)
-	if mtype.Kind() != reflect.Ptr || mtype.Elem().Kind() != reflect.Struct {
-		return errors.New("Only a pointer to struct can be unmarshaled from TOML")
+	if mtype == nil {
+		return errors.New("nil cannot be unmarshaled from TOML")
+	}
+	if mtype.Kind() != reflect.Ptr {
+		return errors.New("only a pointer to struct or map can be unmarshaled from TOML")
 	}
 
-	sval, err := d.valueFromTree(mtype.Elem(), d.tval)
+	elem := mtype.Elem()
+
+	switch elem.Kind() {
+	case reflect.Struct, reflect.Map:
+	case reflect.Interface:
+		elem = mapStringInterfaceType
+	default:
+		return errors.New("only a pointer to struct or map can be unmarshaled from TOML")
+	}
+
+	if reflect.ValueOf(v).IsNil() {
+		return errors.New("nil pointer cannot be unmarshaled from TOML")
+	}
+
+	vv := reflect.ValueOf(v).Elem()
+
+	if d.strict {
+		d.visitor = newVisitorState(d.tval)
+	}
+
+	sval, err := d.valueFromTree(elem, d.tval, &vv)
 	if err != nil {
 		return err
 	}
+	if err := d.visitor.validate(); err != nil {
+		return err
+	}
 	reflect.ValueOf(v).Elem().Set(sval)
 	return nil
 }
 
-// Convert toml tree to marshal struct or map, using marshal type
-func (d *Decoder) valueFromTree(mtype reflect.Type, tval *Tree) (reflect.Value, error) {
+// Convert toml tree to marshal struct or map, using marshal type. When mval1
+// is non-nil, merge fields into the given value instead of allocating a new one.
+func (d *Decoder) valueFromTree(mtype reflect.Type, tval *Tree, mval1 *reflect.Value) (reflect.Value, error) {
 	if mtype.Kind() == reflect.Ptr {
-		return d.unwrapPointer(mtype, tval)
+		return d.unwrapPointer(mtype, tval, mval1)
 	}
+
+	// Check if pointer to value implements the Unmarshaler interface.
+	if mvalPtr := reflect.New(mtype); isCustomUnmarshaler(mvalPtr.Type()) {
+		d.visitor.visitAll()
+
+		if tval == nil {
+			return mvalPtr.Elem(), nil
+		}
+
+		if err := callCustomUnmarshaler(mvalPtr, tval.ToMap()); err != nil {
+			return reflect.ValueOf(nil), fmt.Errorf("unmarshal toml: %v", err)
+		}
+		return mvalPtr.Elem(), nil
+	}
+
 	var mval reflect.Value
 	switch mtype.Kind() {
 	case reflect.Struct:
-		mval = reflect.New(mtype).Elem()
-		for i := 0; i < mtype.NumField(); i++ {
-			mtypef := mtype.Field(i)
-			opts := tomlOptions(mtypef)
-			if opts.include {
+		if mval1 != nil {
+			mval = *mval1
+		} else {
+			mval = reflect.New(mtype).Elem()
+		}
+
+		switch mval.Interface().(type) {
+		case Tree:
+			mval.Set(reflect.ValueOf(tval).Elem())
+		default:
+			for i := 0; i < mtype.NumField(); i++ {
+				mtypef := mtype.Field(i)
+				an := annotation{tag: d.tagName}
+				opts := tomlOptions(mtypef, an)
+				if !opts.include {
+					continue
+				}
 				baseKey := opts.name
-				keysToTry := []string{baseKey, strings.ToLower(baseKey), strings.ToTitle(baseKey)}
-				for _, key := range keysToTry {
-					exists := tval.Has(key)
-					if !exists {
-						continue
+				keysToTry := []string{
+					baseKey,
+					strings.ToLower(baseKey),
+					strings.ToTitle(baseKey),
+					strings.ToLower(string(baseKey[0])) + baseKey[1:],
+				}
+
+				found := false
+				if tval != nil {
+					for _, key := range keysToTry {
+						exists := tval.HasPath([]string{key})
+						if !exists {
+							continue
+						}
+
+						d.visitor.push(key)
+						val := tval.GetPath([]string{key})
+						fval := mval.Field(i)
+						mvalf, err := d.valueFromToml(mtypef.Type, val, &fval)
+						if err != nil {
+							return mval, formatError(err, tval.GetPositionPath([]string{key}))
+						}
+						mval.Field(i).Set(mvalf)
+						found = true
+						d.visitor.pop()
+						break
 					}
-					val := tval.Get(key)
-					mvalf, err := d.valueFromToml(mtypef.Type, val)
+				}
+
+				if !found && opts.defaultValue != "" {
+					mvalf := mval.Field(i)
+					var val interface{}
+					var err error
+					switch mvalf.Kind() {
+					case reflect.String:
+						val = opts.defaultValue
+					case reflect.Bool:
+						val, err = strconv.ParseBool(opts.defaultValue)
+					case reflect.Uint:
+						val, err = strconv.ParseUint(opts.defaultValue, 10, 0)
+					case reflect.Uint8:
+						val, err = strconv.ParseUint(opts.defaultValue, 10, 8)
+					case reflect.Uint16:
+						val, err = strconv.ParseUint(opts.defaultValue, 10, 16)
+					case reflect.Uint32:
+						val, err = strconv.ParseUint(opts.defaultValue, 10, 32)
+					case reflect.Uint64:
+						val, err = strconv.ParseUint(opts.defaultValue, 10, 64)
+					case reflect.Int:
+						val, err = strconv.ParseInt(opts.defaultValue, 10, 0)
+					case reflect.Int8:
+						val, err = strconv.ParseInt(opts.defaultValue, 10, 8)
+					case reflect.Int16:
+						val, err = strconv.ParseInt(opts.defaultValue, 10, 16)
+					case reflect.Int32:
+						val, err = strconv.ParseInt(opts.defaultValue, 10, 32)
+					case reflect.Int64:
+						// Check if the provided number has a non-numeric extension.
+						var hasExtension bool
+						if len(opts.defaultValue) > 0 {
+							lastChar := opts.defaultValue[len(opts.defaultValue)-1]
+							if lastChar < '0' || lastChar > '9' {
+								hasExtension = true
+							}
+						}
+						// If the value is a time.Duration with extension, parse as duration.
+						// If the value is an int64 or a time.Duration without extension, parse as number.
+						if hasExtension && mvalf.Type().String() == "time.Duration" {
+							val, err = time.ParseDuration(opts.defaultValue)
+						} else {
+							val, err = strconv.ParseInt(opts.defaultValue, 10, 64)
+						}
+					case reflect.Float32:
+						val, err = strconv.ParseFloat(opts.defaultValue, 32)
+					case reflect.Float64:
+						val, err = strconv.ParseFloat(opts.defaultValue, 64)
+					default:
+						return mvalf, fmt.Errorf("unsupported field type for default option")
+					}
+
 					if err != nil {
-						return mval, formatError(err, tval.GetPosition(key))
+						return mvalf, err
 					}
-					mval.Field(i).Set(mvalf)
-					break
+					mvalf.Set(reflect.ValueOf(val).Convert(mvalf.Type()))
+				}
+
+				// save the old behavior above and try to check structs
+				if !found && opts.defaultValue == "" && mtypef.Type.Kind() == reflect.Struct {
+					tmpTval := tval
+					if !mtypef.Anonymous {
+						tmpTval = nil
+					}
+					fval := mval.Field(i)
+					v, err := d.valueFromTree(mtypef.Type, tmpTval, &fval)
+					if err != nil {
+						return v, err
+					}
+					mval.Field(i).Set(v)
 				}
 			}
 		}
 	case reflect.Map:
 		mval = reflect.MakeMap(mtype)
 		for _, key := range tval.Keys() {
+			d.visitor.push(key)
 			// TODO: path splits key
 			val := tval.GetPath([]string{key})
-			mvalf, err := d.valueFromToml(mtype.Elem(), val)
+			mvalf, err := d.valueFromToml(mtype.Elem(), val, nil)
 			if err != nil {
-				return mval, formatError(err, tval.GetPosition(key))
+				return mval, formatError(err, tval.GetPositionPath([]string{key}))
 			}
-			mval.SetMapIndex(reflect.ValueOf(key), mvalf)
+			mval.SetMapIndex(reflect.ValueOf(key).Convert(mtype.Key()), mvalf)
+			d.visitor.pop()
 		}
 	}
 	return mval, nil
@@ -446,9 +906,32 @@ func (d *Decoder) valueFromTree(mtype reflect.Type, tval *Tree) (reflect.Value,
 
 // Convert toml value to marshal struct/map slice, using marshal type
 func (d *Decoder) valueFromTreeSlice(mtype reflect.Type, tval []*Tree) (reflect.Value, error) {
-	mval := reflect.MakeSlice(mtype, len(tval), len(tval))
+	mval, err := makeSliceOrArray(mtype, len(tval))
+	if err != nil {
+		return mval, err
+	}
+
 	for i := 0; i < len(tval); i++ {
-		val, err := d.valueFromTree(mtype.Elem(), tval[i])
+		d.visitor.push(strconv.Itoa(i))
+		val, err := d.valueFromTree(mtype.Elem(), tval[i], nil)
+		if err != nil {
+			return mval, err
+		}
+		mval.Index(i).Set(val)
+		d.visitor.pop()
+	}
+	return mval, nil
+}
+
+// Convert toml value to marshal primitive slice, using marshal type
+func (d *Decoder) valueFromOtherSlice(mtype reflect.Type, tval []interface{}) (reflect.Value, error) {
+	mval, err := makeSliceOrArray(mtype, len(tval))
+	if err != nil {
+		return mval, err
+	}
+
+	for i := 0; i < len(tval); i++ {
+		val, err := d.valueFromToml(mtype.Elem(), tval[i], nil)
 		if err != nil {
 			return mval, err
 		}
@@ -458,10 +941,17 @@ func (d *Decoder) valueFromTreeSlice(mtype reflect.Type, tval []*Tree) (reflect.
 }
 
 // Convert toml value to marshal primitive slice, using marshal type
-func (d *Decoder) valueFromOtherSlice(mtype reflect.Type, tval []interface{}) (reflect.Value, error) {
-	mval := reflect.MakeSlice(mtype, len(tval), len(tval))
-	for i := 0; i < len(tval); i++ {
-		val, err := d.valueFromToml(mtype.Elem(), tval[i])
+func (d *Decoder) valueFromOtherSliceI(mtype reflect.Type, tval interface{}) (reflect.Value, error) {
+	val := reflect.ValueOf(tval)
+	length := val.Len()
+
+	mval, err := makeSliceOrArray(mtype, length)
+	if err != nil {
+		return mval, err
+	}
+
+	for i := 0; i < length; i++ {
+		val, err := d.valueFromToml(mtype.Elem(), val.Index(i).Interface(), nil)
 		if err != nil {
 			return mval, err
 		}
@@ -470,33 +960,123 @@ func (d *Decoder) valueFromOtherSlice(mtype reflect.Type, tval []interface{}) (r
 	return mval, nil
 }
 
-// Convert toml value to marshal value, using marshal type
-func (d *Decoder) valueFromToml(mtype reflect.Type, tval interface{}) (reflect.Value, error) {
+// Create a new slice or a new array with specified length
+func makeSliceOrArray(mtype reflect.Type, tLength int) (reflect.Value, error) {
+	var mval reflect.Value
+	switch mtype.Kind() {
+	case reflect.Slice:
+		mval = reflect.MakeSlice(mtype, tLength, tLength)
+	case reflect.Array:
+		mval = reflect.New(reflect.ArrayOf(mtype.Len(), mtype.Elem())).Elem()
+		if tLength > mtype.Len() {
+			return mval, fmt.Errorf("unmarshal: TOML array length (%v) exceeds destination array length (%v)", tLength, mtype.Len())
+		}
+	}
+	return mval, nil
+}
+
+// Convert toml value to marshal value, using marshal type. When mval1 is non-nil
+// and the given type is a struct value, merge fields into it.
+func (d *Decoder) valueFromToml(mtype reflect.Type, tval interface{}, mval1 *reflect.Value) (reflect.Value, error) {
 	if mtype.Kind() == reflect.Ptr {
-		return d.unwrapPointer(mtype, tval)
+		return d.unwrapPointer(mtype, tval, mval1)
 	}
 
-	switch tval.(type) {
+	switch t := tval.(type) {
 	case *Tree:
-		if isTree(mtype) {
-			return d.valueFromTree(mtype, tval.(*Tree))
+		var mval11 *reflect.Value
+		if mtype.Kind() == reflect.Struct {
+			mval11 = mval1
 		}
+
+		if isTree(mtype) {
+			return d.valueFromTree(mtype, t, mval11)
+		}
+
+		if mtype.Kind() == reflect.Interface {
+			if mval1 == nil || mval1.IsNil() {
+				return d.valueFromTree(reflect.TypeOf(map[string]interface{}{}), t, nil)
+			} else {
+				return d.valueFromToml(mval1.Elem().Type(), t, nil)
+			}
+		}
+
 		return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to a tree", tval, tval)
 	case []*Tree:
-		if isTreeSlice(mtype) {
-			return d.valueFromTreeSlice(mtype, tval.([]*Tree))
+		if isTreeSequence(mtype) {
+			return d.valueFromTreeSlice(mtype, t)
+		}
+		if mtype.Kind() == reflect.Interface {
+			if mval1 == nil || mval1.IsNil() {
+				return d.valueFromTreeSlice(reflect.TypeOf([]map[string]interface{}{}), t)
+			} else {
+				ival := mval1.Elem()
+				return d.valueFromToml(mval1.Elem().Type(), t, &ival)
+			}
 		}
 		return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to trees", tval, tval)
 	case []interface{}:
-		if isOtherSlice(mtype) {
-			return d.valueFromOtherSlice(mtype, tval.([]interface{}))
+		d.visitor.visit()
+		if isOtherSequence(mtype) {
+			return d.valueFromOtherSlice(mtype, t)
+		}
+		if mtype.Kind() == reflect.Interface {
+			if mval1 == nil || mval1.IsNil() {
+				return d.valueFromOtherSlice(reflect.TypeOf([]interface{}{}), t)
+			} else {
+				ival := mval1.Elem()
+				return d.valueFromToml(mval1.Elem().Type(), t, &ival)
+			}
 		}
 		return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to a slice", tval, tval)
 	default:
+		d.visitor.visit()
+		mvalPtr := reflect.New(mtype)
+
+		// Check if pointer to value implements the Unmarshaler interface.
+		if isCustomUnmarshaler(mvalPtr.Type()) {
+			if err := callCustomUnmarshaler(mvalPtr, tval); err != nil {
+				return reflect.ValueOf(nil), fmt.Errorf("unmarshal toml: %v", err)
+			}
+			return mvalPtr.Elem(), nil
+		}
+
+		// Check if pointer to value implements the encoding.TextUnmarshaler.
+		if isTextUnmarshaler(mvalPtr.Type()) && !isTimeType(mtype) {
+			if err := d.unmarshalText(tval, mvalPtr); err != nil {
+				return reflect.ValueOf(nil), fmt.Errorf("unmarshal text: %v", err)
+			}
+			return mvalPtr.Elem(), nil
+		}
+
 		switch mtype.Kind() {
 		case reflect.Bool, reflect.Struct:
 			val := reflect.ValueOf(tval)
-			// if this passes for when mtype is reflect.Struct, tval is a time.Time
+
+			switch val.Type() {
+			case localDateType:
+				localDate := val.Interface().(LocalDate)
+				switch mtype {
+				case timeType:
+					return reflect.ValueOf(time.Date(localDate.Year, localDate.Month, localDate.Day, 0, 0, 0, 0, time.Local)), nil
+				}
+			case localDateTimeType:
+				localDateTime := val.Interface().(LocalDateTime)
+				switch mtype {
+				case timeType:
+					return reflect.ValueOf(time.Date(
+						localDateTime.Date.Year,
+						localDateTime.Date.Month,
+						localDateTime.Date.Day,
+						localDateTime.Time.Hour,
+						localDateTime.Time.Minute,
+						localDateTime.Time.Second,
+						localDateTime.Time.Nanosecond,
+						time.Local)), nil
+				}
+			}
+
+			// if this passes for when mtype is reflect.Struct, tval is a time.LocalTime
 			if !val.Type().ConvertibleTo(mtype) {
 				return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String())
 			}
@@ -512,45 +1092,72 @@ func (d *Decoder) valueFromToml(mtype reflect.Type, tval interface{}) (reflect.V
 			return val.Convert(mtype), nil
 		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 			val := reflect.ValueOf(tval)
-			if !val.Type().ConvertibleTo(mtype) {
+			if mtype.Kind() == reflect.Int64 && mtype == reflect.TypeOf(time.Duration(1)) && val.Kind() == reflect.String {
+				d, err := time.ParseDuration(val.String())
+				if err != nil {
+					return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v. %s", tval, tval, mtype.String(), err)
+				}
+				return reflect.ValueOf(d), nil
+			}
+			if !val.Type().ConvertibleTo(mtype) || val.Kind() == reflect.Float64 {
 				return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String())
 			}
-			if reflect.Indirect(reflect.New(mtype)).OverflowInt(val.Int()) {
+			if reflect.Indirect(reflect.New(mtype)).OverflowInt(val.Convert(reflect.TypeOf(int64(0))).Int()) {
 				return reflect.ValueOf(nil), fmt.Errorf("%v(%T) would overflow %v", tval, tval, mtype.String())
 			}
 
 			return val.Convert(mtype), nil
 		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
 			val := reflect.ValueOf(tval)
-			if !val.Type().ConvertibleTo(mtype) {
+			if !val.Type().ConvertibleTo(mtype) || val.Kind() == reflect.Float64 {
 				return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String())
 			}
-			if val.Int() < 0 {
+
+			if val.Convert(reflect.TypeOf(int(1))).Int() < 0 {
 				return reflect.ValueOf(nil), fmt.Errorf("%v(%T) is negative so does not fit in %v", tval, tval, mtype.String())
 			}
-			if reflect.Indirect(reflect.New(mtype)).OverflowUint(uint64(val.Int())) {
+			if reflect.Indirect(reflect.New(mtype)).OverflowUint(val.Convert(reflect.TypeOf(uint64(0))).Uint()) {
 				return reflect.ValueOf(nil), fmt.Errorf("%v(%T) would overflow %v", tval, tval, mtype.String())
 			}
 
 			return val.Convert(mtype), nil
 		case reflect.Float32, reflect.Float64:
 			val := reflect.ValueOf(tval)
-			if !val.Type().ConvertibleTo(mtype) {
+			if !val.Type().ConvertibleTo(mtype) || val.Kind() == reflect.Int64 {
 				return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v", tval, tval, mtype.String())
 			}
-			if reflect.Indirect(reflect.New(mtype)).OverflowFloat(val.Float()) {
+			if reflect.Indirect(reflect.New(mtype)).OverflowFloat(val.Convert(reflect.TypeOf(float64(0))).Float()) {
 				return reflect.ValueOf(nil), fmt.Errorf("%v(%T) would overflow %v", tval, tval, mtype.String())
 			}
 
 			return val.Convert(mtype), nil
+		case reflect.Interface:
+			if mval1 == nil || mval1.IsNil() {
+				return reflect.ValueOf(tval), nil
+			} else {
+				ival := mval1.Elem()
+				return d.valueFromToml(mval1.Elem().Type(), t, &ival)
+			}
+		case reflect.Slice, reflect.Array:
+			if isOtherSequence(mtype) && isOtherSequence(reflect.TypeOf(t)) {
+				return d.valueFromOtherSliceI(mtype, t)
+			}
+			return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v(%v)", tval, tval, mtype, mtype.Kind())
 		default:
 			return reflect.ValueOf(nil), fmt.Errorf("Can't convert %v(%T) to %v(%v)", tval, tval, mtype, mtype.Kind())
 		}
 	}
 }
 
-func (d *Decoder) unwrapPointer(mtype reflect.Type, tval interface{}) (reflect.Value, error) {
-	val, err := d.valueFromToml(mtype.Elem(), tval)
+func (d *Decoder) unwrapPointer(mtype reflect.Type, tval interface{}, mval1 *reflect.Value) (reflect.Value, error) {
+	var melem *reflect.Value
+
+	if mval1 != nil && !mval1.IsNil() && (mtype.Elem().Kind() == reflect.Struct || mtype.Elem().Kind() == reflect.Interface) {
+		elem := mval1.Elem()
+		melem = &elem
+	}
+
+	val, err := d.valueFromToml(mtype.Elem(), tval, melem)
 	if err != nil {
 		return reflect.ValueOf(nil), err
 	}
@@ -559,21 +1166,40 @@ func (d *Decoder) unwrapPointer(mtype reflect.Type, tval interface{}) (reflect.V
 	return mval, nil
 }
 
-func tomlOptions(vf reflect.StructField) tomlOpts {
-	tag := vf.Tag.Get("toml")
+func (d *Decoder) unmarshalText(tval interface{}, mval reflect.Value) error {
+	var buf bytes.Buffer
+	fmt.Fprint(&buf, tval)
+	return callTextUnmarshaler(mval, buf.Bytes())
+}
+
+func tomlOptions(vf reflect.StructField, an annotation) tomlOpts {
+	tag := vf.Tag.Get(an.tag)
 	parse := strings.Split(tag, ",")
 	var comment string
-	if c := vf.Tag.Get("comment"); c != "" {
+	if c := vf.Tag.Get(an.comment); c != "" {
 		comment = c
 	}
-	commented, _ := strconv.ParseBool(vf.Tag.Get("commented"))
-	multiline, _ := strconv.ParseBool(vf.Tag.Get(tagKeyMultiline))
-	result := tomlOpts{name: vf.Name, comment: comment, commented: commented, multiline: multiline, include: true, omitempty: false}
+	commented, _ := strconv.ParseBool(vf.Tag.Get(an.commented))
+	multiline, _ := strconv.ParseBool(vf.Tag.Get(an.multiline))
+	literal, _ := strconv.ParseBool(vf.Tag.Get(an.literal))
+	defaultValue := vf.Tag.Get(tagDefault)
+	result := tomlOpts{
+		name:         vf.Name,
+		nameFromTag:  false,
+		comment:      comment,
+		commented:    commented,
+		multiline:    multiline,
+		literal:      literal,
+		include:      true,
+		omitempty:    false,
+		defaultValue: defaultValue,
+	}
 	if parse[0] != "" {
 		if parse[0] == "-" && len(parse) == 1 {
 			result.include = false
 		} else {
 			result.name = strings.Trim(parse[0], " ")
+			result.nameFromTag = true
 		}
 	}
 	if vf.PkgPath != "" {
@@ -590,11 +1216,7 @@ func tomlOptions(vf reflect.StructField) tomlOpts {
 
 func isZero(val reflect.Value) bool {
 	switch val.Type().Kind() {
-	case reflect.Map:
-		fallthrough
-	case reflect.Array:
-		fallthrough
-	case reflect.Slice:
+	case reflect.Slice, reflect.Array, reflect.Map:
 		return val.Len() == 0
 	default:
 		return reflect.DeepEqual(val.Interface(), reflect.Zero(val.Type()).Interface())
@@ -607,3 +1229,80 @@ func formatError(err error, pos Position) error {
 	}
 	return fmt.Errorf("%s: %s", pos, err)
 }
+
+// visitorState keeps track of which keys were unmarshaled.
+type visitorState struct {
+	tree   *Tree
+	path   []string
+	keys   map[string]struct{}
+	active bool
+}
+
+func newVisitorState(tree *Tree) visitorState {
+	path, result := []string{}, map[string]struct{}{}
+	insertKeys(path, result, tree)
+	return visitorState{
+		tree:   tree,
+		path:   path[:0],
+		keys:   result,
+		active: true,
+	}
+}
+
+func (s *visitorState) push(key string) {
+	if s.active {
+		s.path = append(s.path, key)
+	}
+}
+
+func (s *visitorState) pop() {
+	if s.active {
+		s.path = s.path[:len(s.path)-1]
+	}
+}
+
+func (s *visitorState) visit() {
+	if s.active {
+		delete(s.keys, strings.Join(s.path, "."))
+	}
+}
+
+func (s *visitorState) visitAll() {
+	if s.active {
+		for k := range s.keys {
+			if strings.HasPrefix(k, strings.Join(s.path, ".")) {
+				delete(s.keys, k)
+			}
+		}
+	}
+}
+
+func (s *visitorState) validate() error {
+	if !s.active {
+		return nil
+	}
+	undecoded := make([]string, 0, len(s.keys))
+	for key := range s.keys {
+		undecoded = append(undecoded, key)
+	}
+	sort.Strings(undecoded)
+	if len(undecoded) > 0 {
+		return fmt.Errorf("undecoded keys: %q", undecoded)
+	}
+	return nil
+}
+
+func insertKeys(path []string, m map[string]struct{}, tree *Tree) {
+	for k, v := range tree.values {
+		switch node := v.(type) {
+		case []*Tree:
+			for i, item := range node {
+				insertKeys(append(path, k, strconv.Itoa(i)), m, item)
+			}
+		case *Tree:
+			insertKeys(append(path, k), m, node)
+		case *tomlValue:
+			m[strings.Join(append(path, k), ".")] = struct{}{}
+		}
+	}
+}
diff --git a/vendor/github.com/pelletier/go-toml/marshal_OrderPreserve_test.toml b/vendor/github.com/pelletier/go-toml/marshal_OrderPreserve_test.toml
new file mode 100644
index 000000000..792b72ed7
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/marshal_OrderPreserve_test.toml
@@ -0,0 +1,39 @@
+title = "TOML Marshal Testing"
+
+[basic_lists]
+  floats = [12.3,45.6,78.9]
+  bools = [true,false,true]
+  dates = [1979-05-27T07:32:00Z,1980-05-27T07:32:00Z]
+  ints = [8001,8001,8002]
+  uints = [5002,5003]
+  strings = ["One","Two","Three"]
+
+[[subdocptrs]]
+  name = "Second"
+
+[basic_map]
+  one = "one"
+  two = "two"
+
+[subdoc]
+
+  [subdoc.second]
+    name = "Second"
+
+  [subdoc.first]
+    name = "First"
+
+[basic]
+  uint = 5001
+  bool = true
+  float = 123.4
+  float64 = 123.456782132399
+  int = 5000
+  string = "Bite me"
+  date = 1979-05-27T07:32:00Z
+
+[[subdoclist]]
+  name = "List.First"
+
+[[subdoclist]]
+  name = "List.Second"
diff --git a/vendor/github.com/pelletier/go-toml/marshal_test.toml b/vendor/github.com/pelletier/go-toml/marshal_test.toml
index 1c5f98e7a..ba5e110bf 100644
--- a/vendor/github.com/pelletier/go-toml/marshal_test.toml
+++ b/vendor/github.com/pelletier/go-toml/marshal_test.toml
@@ -4,6 +4,7 @@ title = "TOML Marshal Testing"
   bool = true
   date = 1979-05-27T07:32:00Z
   float = 123.4
+  float64 = 123.456782132399
   int = 5000
   string = "Bite me"
   uint = 5001
diff --git a/vendor/github.com/pelletier/go-toml/parser.go b/vendor/github.com/pelletier/go-toml/parser.go
index 2d27599a9..f5e1a44fb 100644
--- a/vendor/github.com/pelletier/go-toml/parser.go
+++ b/vendor/github.com/pelletier/go-toml/parser.go
@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"math"
 	"reflect"
-	"regexp"
 	"strconv"
 	"strings"
 	"time"
@@ -77,8 +76,10 @@ func (p *tomlParser) parseStart() tomlParserStateFn {
 		return p.parseAssign
 	case tokenEOF:
 		return nil
+	case tokenError:
+		p.raiseError(tok, "parsing error: %s", tok.String())
 	default:
-		p.raiseError(tok, "unexpected token")
+		p.raiseError(tok, "unexpected token %s", tok.typ)
 	}
 	return nil
 }
@@ -156,6 +157,11 @@ func (p *tomlParser) parseGroup() tomlParserStateFn {
 	if err := p.tree.createSubTree(keys, startToken.Position); err != nil {
 		p.raiseError(key, "%s", err)
 	}
+	destTree := p.tree.GetPath(keys)
+	if target, ok := destTree.(*Tree); ok && target != nil && target.inline {
+		p.raiseError(key, "could not re-define exist inline table or its sub-table : %s",
+			strings.Join(keys, "."))
+	}
 	p.assume(tokenRightBracket)
 	p.currentTable = keys
 	return p.parseStart
@@ -165,6 +171,11 @@ func (p *tomlParser) parseAssign() tomlParserStateFn {
 	key := p.getToken()
 	p.assume(tokenEqual)
 
+	parsedKey, err := parseKey(key.val)
+	if err != nil {
+		p.raiseError(key, "invalid key: %s", err.Error())
+	}
+
 	value := p.parseRvalue()
 	var tableKey []string
 	if len(p.currentTable) > 0 {
@@ -173,6 +184,9 @@ func (p *tomlParser) parseAssign() tomlParserStateFn {
 		tableKey = []string{}
 	}
 
+	prefixKey := parsedKey[0 : len(parsedKey)-1]
+	tableKey = append(tableKey, prefixKey...)
+
 	// find the table to assign, looking out for arrays of tables
 	var targetNode *Tree
 	switch node := p.tree.GetPath(tableKey).(type) {
@@ -180,17 +194,24 @@ func (p *tomlParser) parseAssign() tomlParserStateFn {
 		targetNode = node[len(node)-1]
 	case *Tree:
 		targetNode = node
+	case nil:
+		// create intermediate
+		if err := p.tree.createSubTree(tableKey, key.Position); err != nil {
+			p.raiseError(key, "could not create intermediate group: %s", err)
+		}
+		targetNode = p.tree.GetPath(tableKey).(*Tree)
 	default:
 		p.raiseError(key, "Unknown table type for path: %s",
 			strings.Join(tableKey, "."))
 	}
 
-	// assign value to the found table
-	keyVals := []string{key.val}
-	if len(keyVals) != 1 {
-		p.raiseError(key, "Invalid key")
+	if targetNode.inline {
+		p.raiseError(key, "could not add key or sub-table to exist inline table or its sub-table : %s",
+			strings.Join(tableKey, "."))
 	}
-	keyVal := keyVals[0]
+
+	// assign value to the found table
+	keyVal := parsedKey[len(parsedKey)-1]
 	localKey := []string{keyVal}
 	finalKey := append(tableKey, keyVal)
 	if targetNode.GetPath(localKey) != nil {
@@ -209,19 +230,38 @@ func (p *tomlParser) parseAssign() tomlParserStateFn {
 	return p.parseStart
 }
 
-var numberUnderscoreInvalidRegexp *regexp.Regexp
-var hexNumberUnderscoreInvalidRegexp *regexp.Regexp
+var errInvalidUnderscore = errors.New("invalid use of _ in number")
 
 func numberContainsInvalidUnderscore(value string) error {
-	if numberUnderscoreInvalidRegexp.MatchString(value) {
-		return errors.New("invalid use of _ in number")
+	// For large numbers, you may use underscores between digits to enhance
+	// readability. Each underscore must be surrounded by at least one digit on
+	// each side.
+
+	hasBefore := false
+	for idx, r := range value {
+		if r == '_' {
+			if !hasBefore || idx+1 >= len(value) {
+				// can't end with an underscore
+				return errInvalidUnderscore
+			}
+		}
+		hasBefore = isDigit(r)
 	}
 	return nil
 }
 
+var errInvalidUnderscoreHex = errors.New("invalid use of _ in hex number")
+
 func hexNumberContainsInvalidUnderscore(value string) error {
-	if hexNumberUnderscoreInvalidRegexp.MatchString(value) {
-		return errors.New("invalid use of _ in hex number")
+	hasBefore := false
+	for idx, r := range value {
+		if r == '_' {
+			if !hasBefore || idx+1 >= len(value) {
+				// can't end with an underscore
+				return errInvalidUnderscoreHex
+			}
+		}
+		hasBefore = isHexDigit(r)
 	}
 	return nil
 }
@@ -300,8 +340,44 @@ func (p *tomlParser) parseRvalue() interface{} {
 			p.raiseError(tok, "%s", err)
 		}
 		return val
-	case tokenDate:
-		val, err := time.ParseInLocation(time.RFC3339Nano, tok.val, time.UTC)
+	case tokenLocalTime:
+		val, err := ParseLocalTime(tok.val)
+		if err != nil {
+			p.raiseError(tok, "%s", err)
+		}
+		return val
+	case tokenLocalDate:
+		// a local date may be followed by:
+		// * nothing: this is a local date
+		// * a local time: this is a local date-time
+
+		next := p.peek()
+		if next == nil || next.typ != tokenLocalTime {
+			val, err := ParseLocalDate(tok.val)
+			if err != nil {
+				p.raiseError(tok, "%s", err)
+			}
+			return val
+		}
+
+		localDate := tok
+		localTime := p.getToken()
+
+		next = p.peek()
+		if next == nil || next.typ != tokenTimeOffset {
+			v := localDate.val + "T" + localTime.val
+			val, err := ParseLocalDateTime(v)
+			if err != nil {
+				p.raiseError(tok, "%s", err)
+			}
+			return val
+		}
+
+		offset := p.getToken()
+
+		layout := time.RFC3339Nano
+		v := localDate.val + "T" + localTime.val + offset.val
+		val, err := time.ParseInLocation(layout, v, time.UTC)
 		if err != nil {
 			p.raiseError(tok, "%s", err)
 		}
@@ -314,10 +390,10 @@ func (p *tomlParser) parseRvalue() interface{} {
 		p.raiseError(tok, "cannot have multiple equals for the same key")
 	case tokenError:
 		p.raiseError(tok, "%s", tok)
+	default:
+		panic(fmt.Errorf("unhandled token: %v", tok))
 	}
 
-	p.raiseError(tok, "never reached")
-
 	return nil
 }
 
@@ -338,18 +414,21 @@ Loop:
 		case tokenRightCurlyBrace:
 			p.getToken()
 			break Loop
-		case tokenKey:
+		case tokenKey, tokenInteger, tokenString:
 			if !tokenIsComma(previous) && previous != nil {
 				p.raiseError(follow, "comma expected between fields in inline table")
 			}
 			key := p.getToken()
 			p.assume(tokenEqual)
-			value := p.parseRvalue()
-			tree.Set(key.val, value)
-		case tokenComma:
-			if previous == nil {
-				p.raiseError(follow, "inline table cannot start with a comma")
+
+			parsedKey, err := parseKey(key.val)
+			if err != nil {
+				p.raiseError(key, "invalid key: %s", err)
 			}
+
+			value := p.parseRvalue()
+			tree.SetPath(parsedKey, value)
+		case tokenComma:
 			if tokenIsComma(previous) {
 				p.raiseError(follow, "need field between two commas in inline table")
 			}
@@ -362,12 +441,13 @@ Loop:
 	if tokenIsComma(previous) {
 		p.raiseError(previous, "trailing comma at the end of inline table")
 	}
+	tree.inline = true
 	return tree
 }
 
 func (p *tomlParser) parseArray() interface{} {
 	var array []interface{}
-	arrayType := reflect.TypeOf(nil)
+	arrayType := reflect.TypeOf(newTree())
 	for {
 		follow := p.peek()
 		if follow == nil || follow.typ == tokenEOF {
@@ -378,11 +458,8 @@ func (p *tomlParser) parseArray() interface{} {
 			break
 		}
 		val := p.parseRvalue()
-		if arrayType == nil {
-			arrayType = reflect.TypeOf(val)
-		}
 		if reflect.TypeOf(val) != arrayType {
-			p.raiseError(follow, "mixed types in array")
+			arrayType = nil
 		}
 		array = append(array, val)
 		follow = p.peek()
@@ -396,6 +473,12 @@ func (p *tomlParser) parseArray() interface{} {
 			p.getToken()
 		}
 	}
+
+	// if the array is a mixed-type array or its length is 0,
+	// don't convert it to a table array
+	if len(array) <= 0 {
+		arrayType = nil
+	}
 	// An array of Trees is actually an array of inline
 	// tables, which is a shorthand for a table array. If the
 	// array was not converted from []interface{} to []*Tree,
@@ -423,8 +506,3 @@ func parseToml(flow []token) *Tree {
 	parser.run()
 	return result
 }
-
-func init() {
-	numberUnderscoreInvalidRegexp = regexp.MustCompile(`([^\d]_|_[^\d])|_$|^_`)
-	hexNumberUnderscoreInvalidRegexp = regexp.MustCompile(`(^0x_)|([^\da-f]_|_[^\da-f])|_$|^_`)
-}
diff --git a/vendor/github.com/pelletier/go-toml/test.sh b/vendor/github.com/pelletier/go-toml/test.sh
deleted file mode 100644
index ba6adf3fc..000000000
--- a/vendor/github.com/pelletier/go-toml/test.sh
+++ /dev/null
@@ -1,88 +0,0 @@
-#!/bin/bash
-# fail out of the script if anything here fails
-set -e
-set -o pipefail
-
-# set the path to the present working directory
-export GOPATH=`pwd`
-
-function git_clone() {
-  path=$1
-  branch=$2
-  version=$3
-  if [ ! -d "src/$path" ]; then
-    mkdir -p src/$path
-    git clone https://$path.git src/$path
-  fi
-  pushd src/$path
-  git checkout "$branch"
-  git reset --hard "$version"
-  popd
-}
-
-# Remove potential previous runs
-rm -rf src test_program_bin toml-test
-
-go get github.com/pelletier/go-buffruneio
-go get github.com/davecgh/go-spew/spew
-go get gopkg.in/yaml.v2
-go get github.com/BurntSushi/toml
-
-# get code for BurntSushi TOML validation
-# pinning all to 'HEAD' for version 0.3.x work (TODO: pin to commit hash when tests stabilize)
-git_clone github.com/BurntSushi/toml master HEAD
-git_clone github.com/BurntSushi/toml-test master HEAD #was: 0.2.0 HEAD
-
-# build the BurntSushi test application
-go build -o toml-test github.com/BurntSushi/toml-test
-
-# vendorize the current lib for testing
-# NOTE: this basically mocks an install without having to go back out to github for code
-mkdir -p src/github.com/pelletier/go-toml/cmd
-mkdir -p src/github.com/pelletier/go-toml/query
-cp *.go *.toml src/github.com/pelletier/go-toml
-cp -R cmd/* src/github.com/pelletier/go-toml/cmd
-cp -R query/* src/github.com/pelletier/go-toml/query
-go build -o test_program_bin src/github.com/pelletier/go-toml/cmd/test_program.go
-
-# Run basic unit tests
-go test github.com/pelletier/go-toml -covermode=count -coverprofile=coverage.out
-go test github.com/pelletier/go-toml/cmd/tomljson
-go test github.com/pelletier/go-toml/query
-
-# run the entire BurntSushi test suite
-if [[ $# -eq 0 ]] ; then
-  echo "Running all BurntSushi tests"
-  ./toml-test ./test_program_bin | tee test_out
-else
-  # run a specific test
-  test=$1
-  test_path='src/github.com/BurntSushi/toml-test/tests'
-  valid_test="$test_path/valid/$test"
-  invalid_test="$test_path/invalid/$test"
-
-  if [ -e "$valid_test.toml" ]; then
-    echo "Valid Test TOML for $test:"
-    echo "===="
-    cat "$valid_test.toml"
-
-    echo "Valid Test JSON for $test:"
-    echo "===="
-    cat "$valid_test.json"
-
-    echo "Go-TOML Output for $test:"
-    echo "===="
-    cat "$valid_test.toml" | ./test_program_bin
-  fi
-
-  if [ -e "$invalid_test.toml" ]; then
-    echo "Invalid Test TOML for $test:"
-    echo "===="
-    cat "$invalid_test.toml"
-
-    echo "Go-TOML Output for $test:"
-    echo "===="
-    echo "go-toml Output:"
-    cat "$invalid_test.toml" | ./test_program_bin
-  fi
-fi
diff --git a/vendor/github.com/pelletier/go-toml/token.go b/vendor/github.com/pelletier/go-toml/token.go
index 1a9081346..b437fdd3b 100644
--- a/vendor/github.com/pelletier/go-toml/token.go
+++ b/vendor/github.com/pelletier/go-toml/token.go
@@ -1,10 +1,6 @@
 package toml
 
-import (
-	"fmt"
-	"strconv"
-	"unicode"
-)
+import "fmt"
 
 // Define tokens
 type tokenType int
@@ -34,7 +30,9 @@ const (
 	tokenRightParen
 	tokenDoubleLeftBracket
 	tokenDoubleRightBracket
-	tokenDate
+	tokenLocalDate
+	tokenLocalTime
+	tokenTimeOffset
 	tokenKeyGroup
 	tokenKeyGroupArray
 	tokenComma
@@ -68,7 +66,9 @@ var tokenTypeNames = []string{
 	")",
 	"]]",
 	"[[",
-	"Date",
+	"LocalDate",
+	"LocalTime",
+	"TimeOffset",
 	"KeyGroup",
 	"KeyGroupArray",
 	",",
@@ -95,14 +95,6 @@ func (tt tokenType) String() string {
 	return "Unknown"
 }
 
-func (t token) Int() int {
-	if result, err := strconv.Atoi(t.val); err != nil {
-		panic(err)
-	} else {
-		return result
-	}
-}
-
 func (t token) String() string {
 	switch t.typ {
 	case tokenEOF:
@@ -119,7 +111,7 @@ func isSpace(r rune) bool {
 }
 
 func isAlphanumeric(r rune) bool {
-	return unicode.IsLetter(r) || r == '_'
+	return 'a' <= r && r <= 'z' || 'A' <= r && r <= 'Z' || r == '_'
 }
 
 func isKeyChar(r rune) bool {
@@ -134,7 +126,7 @@ func isKeyStartChar(r rune) bool {
 }
 
 func isDigit(r rune) bool {
-	return unicode.IsNumber(r)
+	return '0' <= r && r <= '9'
 }
 
 func isHexDigit(r rune) bool {
diff --git a/vendor/github.com/pelletier/go-toml/toml.go b/vendor/github.com/pelletier/go-toml/toml.go
index 98c185ad0..6d82587c4 100644
--- a/vendor/github.com/pelletier/go-toml/toml.go
+++ b/vendor/github.com/pelletier/go-toml/toml.go
@@ -15,6 +15,7 @@ type tomlValue struct {
 	comment   string
 	commented bool
 	multiline bool
+	literal   bool
 	position  Position
 }
 
@@ -23,13 +24,18 @@ type Tree struct {
 	values    map[string]interface{} // string -> *tomlValue, *Tree, []*Tree
 	comment   string
 	commented bool
+	inline    bool
 	position  Position
 }
 
 func newTree() *Tree {
+	return newTreeWithPosition(Position{})
+}
+
+func newTreeWithPosition(pos Position) *Tree {
 	return &Tree{
 		values:   make(map[string]interface{}),
-		position: Position{},
+		position: pos,
 	}
 }
 
@@ -117,6 +123,89 @@ func (t *Tree) GetPath(keys []string) interface{} {
 	}
 }
 
+// GetArray returns the value at key in the Tree.
+// It returns []string, []int64, etc type if key has homogeneous lists
+// Key is a dot-separated path (e.g. a.b.c) without single/double quoted strings.
+// Returns nil if the path does not exist in the tree.
+// If keys is of length zero, the current tree is returned.
+func (t *Tree) GetArray(key string) interface{} {
+	if key == "" {
+		return t
+	}
+	return t.GetArrayPath(strings.Split(key, "."))
+}
+
+// GetArrayPath returns the element in the tree indicated by 'keys'.
+// If keys is of length zero, the current tree is returned.
+func (t *Tree) GetArrayPath(keys []string) interface{} {
+	if len(keys) == 0 {
+		return t
+	}
+	subtree := t
+	for _, intermediateKey := range keys[:len(keys)-1] {
+		value, exists := subtree.values[intermediateKey]
+		if !exists {
+			return nil
+		}
+		switch node := value.(type) {
+		case *Tree:
+			subtree = node
+		case []*Tree:
+			// go to most recent element
+			if len(node) == 0 {
+				return nil
+			}
+			subtree = node[len(node)-1]
+		default:
+			return nil // cannot navigate through other node types
+		}
+	}
+	// branch based on final node type
+	switch node := subtree.values[keys[len(keys)-1]].(type) {
+	case *tomlValue:
+		switch n := node.value.(type) {
+		case []interface{}:
+			return getArray(n)
+		default:
+			return node.value
+		}
+	default:
+		return node
+	}
+}
+
+// if homogeneous array, then return slice type object over []interface{}
+func getArray(n []interface{}) interface{} {
+	var s []string
+	var i64 []int64
+	var f64 []float64
+	var bl []bool
+	for _, value := range n {
+		switch v := value.(type) {
+		case string:
+			s = append(s, v)
+		case int64:
+			i64 = append(i64, v)
+		case float64:
+			f64 = append(f64, v)
+		case bool:
+			bl = append(bl, v)
+		default:
+			return n
+		}
+	}
+	if len(s) == len(n) {
+		return s
+	} else if len(i64) == len(n) {
+		return i64
+	} else if len(f64) == len(n) {
+		return f64
+	} else if len(bl) == len(n) {
+		return bl
+	}
+	return n
+}
+
 // GetPosition returns the position of the given key.
 func (t *Tree) GetPosition(key string) Position {
 	if key == "" {
@@ -125,6 +214,50 @@ func (t *Tree) GetPosition(key string) Position {
 	return t.GetPositionPath(strings.Split(key, "."))
 }
 
+// SetPositionPath sets the position of element in the tree indicated by 'keys'.
+// If keys is of length zero, the current tree position is set.
+func (t *Tree) SetPositionPath(keys []string, pos Position) {
+	if len(keys) == 0 {
+		t.position = pos
+		return
+	}
+	subtree := t
+	for _, intermediateKey := range keys[:len(keys)-1] {
+		value, exists := subtree.values[intermediateKey]
+		if !exists {
+			return
+		}
+		switch node := value.(type) {
+		case *Tree:
+			subtree = node
+		case []*Tree:
+			// go to most recent element
+			if len(node) == 0 {
+				return
+			}
+			subtree = node[len(node)-1]
+		default:
+			return
+		}
+	}
+	// branch based on final node type
+	switch node := subtree.values[keys[len(keys)-1]].(type) {
+	case *tomlValue:
+		node.position = pos
+		return
+	case *Tree:
+		node.position = pos
+		return
+	case []*Tree:
+		// go to most recent element
+		if len(node) == 0 {
+			return
+		}
+		node[len(node)-1].position = pos
+		return
+	}
+}
+
 // GetPositionPath returns the element in the tree indicated by 'keys'.
 // If keys is of length zero, the current tree is returned.
 func (t *Tree) GetPositionPath(keys []string) Position {
@@ -182,6 +315,7 @@ type SetOptions struct {
 	Comment   string
 	Commented bool
 	Multiline bool
+	Literal   bool
 }
 
 // SetWithOptions is the same as Set, but allows you to provide formatting
@@ -194,10 +328,10 @@ func (t *Tree) SetWithOptions(key string, opts SetOptions, value interface{}) {
 // formatting instructions to the key, that will be reused by Marshal().
 func (t *Tree) SetPathWithOptions(keys []string, opts SetOptions, value interface{}) {
 	subtree := t
-	for _, intermediateKey := range keys[:len(keys)-1] {
+	for i, intermediateKey := range keys[:len(keys)-1] {
 		nextTree, exists := subtree.values[intermediateKey]
 		if !exists {
-			nextTree = newTree()
+			nextTree = newTreeWithPosition(Position{Line: t.position.Line + i, Col: t.position.Col})
 			subtree.values[intermediateKey] = nextTree // add new element here
 		}
 		switch node := nextTree.(type) {
@@ -207,7 +341,8 @@ func (t *Tree) SetPathWithOptions(keys []string, opts SetOptions, value interfac
 			// go to most recent element
 			if len(node) == 0 {
 				// create element if it does not exist
-				subtree.values[intermediateKey] = append(node, newTree())
+				node = append(node, newTreeWithPosition(Position{Line: t.position.Line + i, Col: t.position.Col}))
+				subtree.values[intermediateKey] = node
 			}
 			subtree = node[len(node)-1]
 		}
@@ -215,19 +350,29 @@ func (t *Tree) SetPathWithOptions(keys []string, opts SetOptions, value interfac
 
 	var toInsert interface{}
 
-	switch value.(type) {
+	switch v := value.(type) {
 	case *Tree:
-		tt := value.(*Tree)
-		tt.comment = opts.Comment
+		v.comment = opts.Comment
+		v.commented = opts.Commented
 		toInsert = value
 	case []*Tree:
+		for i := range v {
+			v[i].commented = opts.Commented
+		}
 		toInsert = value
 	case *tomlValue:
-		tt := value.(*tomlValue)
-		tt.comment = opts.Comment
-		toInsert = tt
+		v.comment = opts.Comment
+		v.commented = opts.Commented
+		v.multiline = opts.Multiline
+		v.literal = opts.Literal
+		toInsert = v
 	default:
-		toInsert = &tomlValue{value: value, comment: opts.Comment, commented: opts.Commented, multiline: opts.Multiline}
+		toInsert = &tomlValue{value: value,
+			comment:   opts.Comment,
+			commented: opts.Commented,
+			multiline: opts.Multiline,
+			literal:   opts.Literal,
+			position:  Position{Line: subtree.position.Line + len(subtree.values) + 1, Col: subtree.position.Col}}
 	}
 
 	subtree.values[keys[len(keys)-1]] = toInsert
@@ -256,44 +401,35 @@ func (t *Tree) SetPath(keys []string, value interface{}) {
 // SetPathWithComment is the same as SetPath, but allows you to provide comment
 // information to the key, that will be reused by Marshal().
 func (t *Tree) SetPathWithComment(keys []string, comment string, commented bool, value interface{}) {
-	subtree := t
-	for _, intermediateKey := range keys[:len(keys)-1] {
-		nextTree, exists := subtree.values[intermediateKey]
-		if !exists {
-			nextTree = newTree()
-			subtree.values[intermediateKey] = nextTree // add new element here
-		}
-		switch node := nextTree.(type) {
-		case *Tree:
-			subtree = node
-		case []*Tree:
-			// go to most recent element
-			if len(node) == 0 {
-				// create element if it does not exist
-				subtree.values[intermediateKey] = append(node, newTree())
-			}
-			subtree = node[len(node)-1]
-		}
+	t.SetPathWithOptions(keys, SetOptions{Comment: comment, Commented: commented}, value)
+}
+
+// Delete removes a key from the tree.
+// Key is a dot-separated path (e.g. a.b.c).
+func (t *Tree) Delete(key string) error {
+	keys, err := parseKey(key)
+	if err != nil {
+		return err
 	}
+	return t.DeletePath(keys)
+}
 
-	var toInsert interface{}
-
-	switch value.(type) {
+// DeletePath removes a key from the tree.
+// Keys is an array of path elements (e.g. {"a","b","c"}).
+func (t *Tree) DeletePath(keys []string) error {
+	keyLen := len(keys)
+	if keyLen == 1 {
+		delete(t.values, keys[0])
+		return nil
+	}
+	tree := t.GetPath(keys[:keyLen-1])
+	item := keys[keyLen-1]
+	switch node := tree.(type) {
 	case *Tree:
-		tt := value.(*Tree)
-		tt.comment = comment
-		toInsert = value
-	case []*Tree:
-		toInsert = value
-	case *tomlValue:
-		tt := value.(*tomlValue)
-		tt.comment = comment
-		toInsert = tt
-	default:
-		toInsert = &tomlValue{value: value, comment: comment, commented: commented}
+		delete(node.values, item)
+		return nil
 	}
-
-	subtree.values[keys[len(keys)-1]] = toInsert
+	return errors.New("no such key to delete")
 }
 
 // createSubTree takes a tree and a key and create the necessary intermediate
@@ -305,11 +441,12 @@ func (t *Tree) SetPathWithComment(keys []string, comment string, commented bool,
 // Returns nil on success, error object on failure
 func (t *Tree) createSubTree(keys []string, pos Position) error {
 	subtree := t
-	for _, intermediateKey := range keys {
+	for i, intermediateKey := range keys {
 		nextTree, exists := subtree.values[intermediateKey]
 		if !exists {
-			tree := newTree()
+			tree := newTreeWithPosition(Position{Line: t.position.Line + i, Col: t.position.Col})
 			tree.position = pos
+			tree.inline = subtree.inline
 			subtree.values[intermediateKey] = tree
 			nextTree = tree
 		}
@@ -337,10 +474,39 @@ func LoadBytes(b []byte) (tree *Tree, err error) {
 			err = errors.New(r.(string))
 		}
 	}()
+
+	if len(b) >= 4 && (hasUTF32BigEndianBOM4(b) || hasUTF32LittleEndianBOM4(b)) {
+		b = b[4:]
+	} else if len(b) >= 3 && hasUTF8BOM3(b) {
+		b = b[3:]
+	} else if len(b) >= 2 && (hasUTF16BigEndianBOM2(b) || hasUTF16LittleEndianBOM2(b)) {
+		b = b[2:]
+	}
+
 	tree = parseToml(lexToml(b))
 	return
 }
 
+func hasUTF16BigEndianBOM2(b []byte) bool {
+	return b[0] == 0xFE && b[1] == 0xFF
+}
+
+func hasUTF16LittleEndianBOM2(b []byte) bool {
+	return b[0] == 0xFF && b[1] == 0xFE
+}
+
+func hasUTF8BOM3(b []byte) bool {
+	return b[0] == 0xEF && b[1] == 0xBB && b[2] == 0xBF
+}
+
+func hasUTF32BigEndianBOM4(b []byte) bool {
+	return b[0] == 0x00 && b[1] == 0x00 && b[2] == 0xFE && b[3] == 0xFF
+}
+
+func hasUTF32LittleEndianBOM4(b []byte) bool {
+	return b[0] == 0xFF && b[1] == 0xFE && b[2] == 0x00 && b[3] == 0x00
+}
+
 // LoadReader creates a Tree from any io.Reader.
 func LoadReader(reader io.Reader) (tree *Tree, err error) {
 	inputBytes, err := ioutil.ReadAll(reader)
diff --git a/vendor/github.com/pelletier/go-toml/tomlpub.go b/vendor/github.com/pelletier/go-toml/tomlpub.go
new file mode 100644
index 000000000..4136b4625
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/tomlpub.go
@@ -0,0 +1,71 @@
+package toml
+
+// PubTOMLValue wrapping tomlValue in order to access all properties from outside.
+type PubTOMLValue = tomlValue
+
+func (ptv *PubTOMLValue) Value() interface{} {
+	return ptv.value
+}
+func (ptv *PubTOMLValue) Comment() string {
+	return ptv.comment
+}
+func (ptv *PubTOMLValue) Commented() bool {
+	return ptv.commented
+}
+func (ptv *PubTOMLValue) Multiline() bool {
+	return ptv.multiline
+}
+func (ptv *PubTOMLValue) Position() Position {
+	return ptv.position
+}
+
+func (ptv *PubTOMLValue) SetValue(v interface{}) {
+	ptv.value = v
+}
+func (ptv *PubTOMLValue) SetComment(s string) {
+	ptv.comment = s
+}
+func (ptv *PubTOMLValue) SetCommented(c bool) {
+	ptv.commented = c
+}
+func (ptv *PubTOMLValue) SetMultiline(m bool) {
+	ptv.multiline = m
+}
+func (ptv *PubTOMLValue) SetPosition(p Position) {
+	ptv.position = p
+}
+
+// PubTree wrapping Tree in order to access all properties from outside.
+type PubTree = Tree
+
+func (pt *PubTree) Values() map[string]interface{} {
+	return pt.values
+}
+
+func (pt *PubTree) Comment() string {
+	return pt.comment
+}
+
+func (pt *PubTree) Commented() bool {
+	return pt.commented
+}
+
+func (pt *PubTree) Inline() bool {
+	return pt.inline
+}
+
+func (pt *PubTree) SetValues(v map[string]interface{}) {
+	pt.values = v
+}
+
+func (pt *PubTree) SetComment(c string) {
+	pt.comment = c
+}
+
+func (pt *PubTree) SetCommented(c bool) {
+	pt.commented = c
+}
+
+func (pt *PubTree) SetInline(i bool) {
+	pt.inline = i
+}
diff --git a/vendor/github.com/pelletier/go-toml/tomltree_create.go b/vendor/github.com/pelletier/go-toml/tomltree_create.go
index 79610e9b3..80353500a 100644
--- a/vendor/github.com/pelletier/go-toml/tomltree_create.go
+++ b/vendor/github.com/pelletier/go-toml/tomltree_create.go
@@ -57,6 +57,19 @@ func simpleValueCoercion(object interface{}) (interface{}, error) {
 		return float64(original), nil
 	case fmt.Stringer:
 		return original.String(), nil
+	case []interface{}:
+		value := reflect.ValueOf(original)
+		length := value.Len()
+		arrayValue := reflect.MakeSlice(value.Type(), 0, length)
+		for i := 0; i < length; i++ {
+			val := value.Index(i).Interface()
+			simpleValue, err := simpleValueCoercion(val)
+			if err != nil {
+				return nil, err
+			}
+			arrayValue = reflect.Append(arrayValue, reflect.ValueOf(simpleValue))
+		}
+		return arrayValue.Interface(), nil
 	default:
 		return nil, fmt.Errorf("cannot convert type %T to Tree", object)
 	}
diff --git a/vendor/github.com/pelletier/go-toml/tomltree_write.go b/vendor/github.com/pelletier/go-toml/tomltree_write.go
index e4049e29f..c9afbdab7 100644
--- a/vendor/github.com/pelletier/go-toml/tomltree_write.go
+++ b/vendor/github.com/pelletier/go-toml/tomltree_write.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"math"
+	"math/big"
 	"reflect"
 	"sort"
 	"strconv"
@@ -12,26 +13,50 @@ import (
 	"time"
 )
 
+type valueComplexity int
+
+const (
+	valueSimple valueComplexity = iota + 1
+	valueComplex
+)
+
+type sortNode struct {
+	key        string
+	complexity valueComplexity
+}
+
 // Encodes a string to a TOML-compliant multi-line string value
 // This function is a clone of the existing encodeTomlString function, except that whitespace characters
 // are preserved. Quotation marks and backslashes are also not escaped.
-func encodeMultilineTomlString(value string) string {
+func encodeMultilineTomlString(value string, commented string) string {
 	var b bytes.Buffer
+	adjacentQuoteCount := 0
 
-	for _, rr := range value {
+	b.WriteString(commented)
+	for i, rr := range value {
+		if rr != '"' {
+			adjacentQuoteCount = 0
+		} else {
+			adjacentQuoteCount++
+		}
 		switch rr {
 		case '\b':
 			b.WriteString(`\b`)
 		case '\t':
 			b.WriteString("\t")
 		case '\n':
-			b.WriteString("\n")
+			b.WriteString("\n" + commented)
 		case '\f':
 			b.WriteString(`\f`)
 		case '\r':
 			b.WriteString("\r")
 		case '"':
-			b.WriteString(`"`)
+			if adjacentQuoteCount >= 3 || i == len(value)-1 {
+				adjacentQuoteCount = 0
+				b.WriteString(`\"`)
+			} else {
+				b.WriteString(`"`)
+			}
 		case '\\':
 			b.WriteString(`\`)
 		default:
@@ -78,7 +103,30 @@ func encodeTomlString(value string) string {
 	return b.String()
 }
 
-func tomlValueStringRepresentation(v interface{}, indent string, arraysOneElementPerLine bool) (string, error) {
+func tomlTreeStringRepresentation(t *Tree, ord MarshalOrder) (string, error) {
+	var orderedVals []sortNode
+	switch ord {
+	case OrderPreserve:
+		orderedVals = sortByLines(t)
+	default:
+		orderedVals = sortAlphabetical(t)
+	}
+
+	var values []string
+	for _, node := range orderedVals {
+		k := node.key
+		v := t.values[k]
+
+		repr, err := tomlValueStringRepresentation(v, "", "", ord, false)
+		if err != nil {
+			return "", err
+		}
+		values = append(values, quoteKeyIfNeeded(k)+" = "+repr)
+	}
+	return "{ " + strings.Join(values, ", ") + " }", nil
+}
+
+func tomlValueStringRepresentation(v interface{}, commented string, indent string, ord MarshalOrder, arraysOneElementPerLine bool) (string, error) {
 	// this interface check is added to dereference the change made in the writeTo function.
 	// That change was made to allow this function to see formatting options.
 	tv, ok := v.(*tomlValue)
@@ -94,20 +142,36 @@ func tomlValueStringRepresentation(v interface{}, indent string, arraysOneElemen
 	case int64:
 		return strconv.FormatInt(value, 10), nil
 	case float64:
-		// Ensure a round float does contain a decimal point. Otherwise feeding
-		// the output back to the parser would convert to an integer.
-		if math.Trunc(value) == value {
-			return strings.ToLower(strconv.FormatFloat(value, 'f', 1, 32)), nil
+		// Default bit length is full 64
+		bits := 64
+		// Float panics if nan is used
+		if !math.IsNaN(value) {
+			// if 32 bit accuracy is enough to exactly show, use 32
+			_, acc := big.NewFloat(value).Float32()
+			if acc == big.Exact {
+				bits = 32
+			}
 		}
-		return strings.ToLower(strconv.FormatFloat(value, 'f', -1, 32)), nil
+		if math.Trunc(value) == value {
+			return strings.ToLower(strconv.FormatFloat(value, 'f', 1, bits)), nil
+		}
+		return strings.ToLower(strconv.FormatFloat(value, 'f', -1, bits)), nil
 	case string:
 		if tv.multiline {
-			return "\"\"\"\n" + encodeMultilineTomlString(value) + "\"\"\"", nil
+			if tv.literal {
+				b := strings.Builder{}
+				b.WriteString("'''\n")
+				b.Write([]byte(value))
+				b.WriteString("\n'''")
+				return b.String(), nil
+			} else {
+				return "\"\"\"\n" + encodeMultilineTomlString(value, commented) + "\"\"\"", nil
+			}
 		}
 		return "\"" + encodeTomlString(value) + "\"", nil
 	case []byte:
 		b, _ := v.([]byte)
-		return tomlValueStringRepresentation(string(b), indent, arraysOneElementPerLine)
+		return string(b), nil
 	case bool:
 		if value {
 			return "true", nil
@@ -115,6 +179,14 @@ func tomlValueStringRepresentation(v interface{}, indent string, arraysOneElemen
 		return "false", nil
 	case time.Time:
 		return value.Format(time.RFC3339), nil
+	case LocalDate:
+		return value.String(), nil
+	case LocalDateTime:
+		return value.String(), nil
+	case LocalTime:
+		return value.String(), nil
+	case *Tree:
+		return tomlTreeStringRepresentation(value, ord)
 	case nil:
 		return "", nil
 	}
@@ -125,7 +197,7 @@ func tomlValueStringRepresentation(v interface{}, indent string, arraysOneElemen
 		var values []string
 		for i := 0; i < rv.Len(); i++ {
 			item := rv.Index(i).Interface()
-			itemRepr, err := tomlValueStringRepresentation(item, indent, arraysOneElementPerLine)
+			itemRepr, err := tomlValueStringRepresentation(item, commented, indent, ord, arraysOneElementPerLine)
 			if err != nil {
 				return "", err
 			}
@@ -139,131 +211,261 @@ func tomlValueStringRepresentation(v interface{}, indent string, arraysOneElemen
 
 			for _, value := range values {
 				stringBuffer.WriteString(valueIndent)
-				stringBuffer.WriteString(value)
+				stringBuffer.WriteString(commented + value)
 				stringBuffer.WriteString(`,`)
 				stringBuffer.WriteString("\n")
 			}
 
-			stringBuffer.WriteString(indent + "]")
+			stringBuffer.WriteString(indent + commented + "]")
 
 			return stringBuffer.String(), nil
 		}
-		return "[" + strings.Join(values, ",") + "]", nil
+		return "[" + strings.Join(values, ", ") + "]", nil
 	}
 	return "", fmt.Errorf("unsupported value type %T: %v", v, v)
 }
 
-func (t *Tree) writeTo(w io.Writer, indent, keyspace string, bytesCount int64, arraysOneElementPerLine bool) (int64, error) {
-	simpleValuesKeys := make([]string, 0)
-	complexValuesKeys := make([]string, 0)
+func getTreeArrayLine(trees []*Tree) (line int) {
+	// Prevent returning 0 for empty trees
+	line = int(^uint(0) >> 1)
+	// get lowest line number >= 0
+	for _, tv := range trees {
+		if tv.position.Line < line || line == 0 {
+			line = tv.position.Line
+		}
+	}
+	return
+}
+
+func sortByLines(t *Tree) (vals []sortNode) {
+	var (
+		line  int
+		lines []int
+		tv    *Tree
+		tom   *tomlValue
+		node  sortNode
+	)
+	vals = make([]sortNode, 0)
+	m := make(map[int]sortNode)
+
+	for k := range t.values {
+		v := t.values[k]
+		switch v.(type) {
+		case *Tree:
+			tv = v.(*Tree)
+			line = tv.position.Line
+			node = sortNode{key: k, complexity: valueComplex}
+		case []*Tree:
+			line = getTreeArrayLine(v.([]*Tree))
+			node = sortNode{key: k, complexity: valueComplex}
+		default:
+			tom = v.(*tomlValue)
+			line = tom.position.Line
+			node = sortNode{key: k, complexity: valueSimple}
+		}
+		lines = append(lines, line)
+		vals = append(vals, node)
+		m[line] = node
+	}
+	sort.Ints(lines)
+
+	for i, line := range lines {
+		vals[i] = m[line]
+	}
+
+	return vals
+}
+
+func sortAlphabetical(t *Tree) (vals []sortNode) {
+	var (
+		node     sortNode
+		simpVals []string
+		compVals []string
+	)
+	vals = make([]sortNode, 0)
+	m := make(map[string]sortNode)
 
 	for k := range t.values {
 		v := t.values[k]
 		switch v.(type) {
 		case *Tree, []*Tree:
-			complexValuesKeys = append(complexValuesKeys, k)
+			node = sortNode{key: k, complexity: valueComplex}
+			compVals = append(compVals, node.key)
 		default:
-			simpleValuesKeys = append(simpleValuesKeys, k)
+			node = sortNode{key: k, complexity: valueSimple}
+			simpVals = append(simpVals, node.key)
 		}
+		vals = append(vals, node)
+		m[node.key] = node
 	}
 
-	sort.Strings(simpleValuesKeys)
-	sort.Strings(complexValuesKeys)
-
-	for _, k := range simpleValuesKeys {
-		v, ok := t.values[k].(*tomlValue)
-		if !ok {
-			return bytesCount, fmt.Errorf("invalid value type at %s: %T", k, t.values[k])
-		}
-
-		repr, err := tomlValueStringRepresentation(v, indent, arraysOneElementPerLine)
-		if err != nil {
-			return bytesCount, err
-		}
-
-		if v.comment != "" {
-			comment := strings.Replace(v.comment, "\n", "\n"+indent+"#", -1)
-			start := "# "
-			if strings.HasPrefix(comment, "#") {
-				start = ""
-			}
-			writtenBytesCountComment, errc := writeStrings(w, "\n", indent, start, comment, "\n")
-			bytesCount += int64(writtenBytesCountComment)
-			if errc != nil {
-				return bytesCount, errc
-			}
-		}
-
-		var commented string
-		if v.commented {
-			commented = "# "
-		}
-		writtenBytesCount, err := writeStrings(w, indent, commented, k, " = ", repr, "\n")
-		bytesCount += int64(writtenBytesCount)
-		if err != nil {
-			return bytesCount, err
-		}
+	// Simples first to match previous implementation
+	sort.Strings(simpVals)
+	i := 0
+	for _, key := range simpVals {
+		vals[i] = m[key]
+		i++
 	}
 
-	for _, k := range complexValuesKeys {
-		v := t.values[k]
+	sort.Strings(compVals)
+	for _, key := range compVals {
+		vals[i] = m[key]
+		i++
+	}
 
-		combinedKey := k
-		if keyspace != "" {
-			combinedKey = keyspace + "." + combinedKey
-		}
-		var commented string
-		if t.commented {
-			commented = "# "
-		}
+	return vals
+}
 
-		switch node := v.(type) {
-		// node has to be of those two types given how keys are sorted above
-		case *Tree:
-			tv, ok := t.values[k].(*Tree)
+func (t *Tree) writeTo(w io.Writer, indent, keyspace string, bytesCount int64, arraysOneElementPerLine bool) (int64, error) {
+	return t.writeToOrdered(w, indent, keyspace, bytesCount, arraysOneElementPerLine, OrderAlphabetical, "  ", false, false)
+}
+
+func (t *Tree) writeToOrdered(w io.Writer, indent, keyspace string, bytesCount int64, arraysOneElementPerLine bool, ord MarshalOrder, indentString string, compactComments, parentCommented bool) (int64, error) {
+	var orderedVals []sortNode
+
+	switch ord {
+	case OrderPreserve:
+		orderedVals = sortByLines(t)
+	default:
+		orderedVals = sortAlphabetical(t)
+	}
+
+	for _, node := range orderedVals {
+		switch node.complexity {
+		case valueComplex:
+			k := node.key
+			v := t.values[k]
+
+			combinedKey := quoteKeyIfNeeded(k)
+			if keyspace != "" {
+				combinedKey = keyspace + "." + combinedKey
+			}
+
+			switch node := v.(type) {
+			// node has to be of those two types given how keys are sorted above
+			case *Tree:
+				tv, ok := t.values[k].(*Tree)
+				if !ok {
+					return bytesCount, fmt.Errorf("invalid value type at %s: %T", k, t.values[k])
+				}
+				if tv.comment != "" {
+					comment := strings.Replace(tv.comment, "\n", "\n"+indent+"#", -1)
+					start := "# "
+					if strings.HasPrefix(comment, "#") {
+						start = ""
+					}
+					writtenBytesCountComment, errc := writeStrings(w, "\n", indent, start, comment)
+					bytesCount += int64(writtenBytesCountComment)
+					if errc != nil {
+						return bytesCount, errc
+					}
+				}
+
+				var commented string
+				if parentCommented || t.commented || tv.commented {
+					commented = "# "
+				}
+				writtenBytesCount, err := writeStrings(w, "\n", indent, commented, "[", combinedKey, "]\n")
+				bytesCount += int64(writtenBytesCount)
+				if err != nil {
+					return bytesCount, err
+				}
+				bytesCount, err = node.writeToOrdered(w, indent+indentString, combinedKey, bytesCount, arraysOneElementPerLine, ord, indentString, compactComments, parentCommented || t.commented || tv.commented)
+				if err != nil {
+					return bytesCount, err
+				}
+			case []*Tree:
+				for _, subTree := range node {
+					var commented string
+					if parentCommented || t.commented || subTree.commented {
+						commented = "# "
+					}
+					writtenBytesCount, err := writeStrings(w, "\n", indent, commented, "[[", combinedKey, "]]\n")
+					bytesCount += int64(writtenBytesCount)
+					if err != nil {
+						return bytesCount, err
+					}
+
+					bytesCount, err = subTree.writeToOrdered(w, indent+indentString, combinedKey, bytesCount, arraysOneElementPerLine, ord, indentString, compactComments, parentCommented || t.commented || subTree.commented)
+					if err != nil {
+						return bytesCount, err
+					}
+				}
+			}
+		default: // Simple
+			k := node.key
+			v, ok := t.values[k].(*tomlValue)
 			if !ok {
 				return bytesCount, fmt.Errorf("invalid value type at %s: %T", k, t.values[k])
 			}
-			if tv.comment != "" {
-				comment := strings.Replace(tv.comment, "\n", "\n"+indent+"#", -1)
+
+			var commented string
+			if parentCommented || t.commented || v.commented {
+				commented = "# "
+			}
+			repr, err := tomlValueStringRepresentation(v, commented, indent, ord, arraysOneElementPerLine)
+			if err != nil {
+				return bytesCount, err
+			}
+
+			if v.comment != "" {
+				comment := strings.Replace(v.comment, "\n", "\n"+indent+"#", -1)
 				start := "# "
 				if strings.HasPrefix(comment, "#") {
 					start = ""
 				}
-				writtenBytesCountComment, errc := writeStrings(w, "\n", indent, start, comment)
+				if !compactComments {
+					writtenBytesCountComment, errc := writeStrings(w, "\n")
+					bytesCount += int64(writtenBytesCountComment)
+					if errc != nil {
+						return bytesCount, errc
+					}
+				}
+				writtenBytesCountComment, errc := writeStrings(w, indent, start, comment, "\n")
 				bytesCount += int64(writtenBytesCountComment)
 				if errc != nil {
 					return bytesCount, errc
 				}
 			}
-			writtenBytesCount, err := writeStrings(w, "\n", indent, commented, "[", combinedKey, "]\n")
+
+			quotedKey := quoteKeyIfNeeded(k)
+			writtenBytesCount, err := writeStrings(w, indent, commented, quotedKey, " = ", repr, "\n")
 			bytesCount += int64(writtenBytesCount)
 			if err != nil {
 				return bytesCount, err
 			}
-			bytesCount, err = node.writeTo(w, indent+"  ", combinedKey, bytesCount, arraysOneElementPerLine)
-			if err != nil {
-				return bytesCount, err
-			}
-		case []*Tree:
-			for _, subTree := range node {
-				writtenBytesCount, err := writeStrings(w, "\n", indent, commented, "[[", combinedKey, "]]\n")
-				bytesCount += int64(writtenBytesCount)
-				if err != nil {
-					return bytesCount, err
-				}
-
-				bytesCount, err = subTree.writeTo(w, indent+"  ", combinedKey, bytesCount, arraysOneElementPerLine)
-				if err != nil {
-					return bytesCount, err
-				}
-			}
 		}
 	}
 
 	return bytesCount, nil
 }
 
+// quote a key if it does not fit the bare key format (A-Za-z0-9_-)
+// quoted keys use the same rules as strings
+func quoteKeyIfNeeded(k string) string {
+	// when encoding a map with the 'quoteMapKeys' option enabled, the tree will contain
+	// keys that have already been quoted.
+	// not an ideal situation, but good enough of a stop gap.
+	if len(k) >= 2 && k[0] == '"' && k[len(k)-1] == '"' {
+		return k
+	}
+	isBare := true
+	for _, r := range k {
+		if !isValidBareChar(r) {
+			isBare = false
+			break
+		}
+	}
+	if isBare {
+		return k
+	}
+	return quoteKey(k)
+}
+
+func quoteKey(k string) string {
+	return "\"" + encodeTomlString(k) + "\""
+}
+
 func writeStrings(w io.Writer, s ...string) (int, error) {
 	var n int
 	for i := range s {
@@ -286,12 +488,11 @@ func (t *Tree) WriteTo(w io.Writer) (int64, error) {
 // Output spans multiple lines, and is suitable for ingest by a TOML parser.
 // If the conversion cannot be performed, ToString returns a non-nil error.
 func (t *Tree) ToTomlString() (string, error) {
-	var buf bytes.Buffer
-	_, err := t.WriteTo(&buf)
+	b, err := t.Marshal()
 	if err != nil {
 		return "", err
 	}
-	return buf.String(), nil
+	return string(b), nil
 }
 
 // String generates a human-readable representation of the current tree.
@@ -326,8 +527,26 @@ func (t *Tree) ToMap() map[string]interface{} {
 		case *Tree:
 			result[k] = node.ToMap()
 		case *tomlValue:
-			result[k] = node.value
+			result[k] = tomlValueToGo(node.value)
 		}
 	}
 	return result
 }
+
+func tomlValueToGo(v interface{}) interface{} {
+	if tree, ok := v.(*Tree); ok {
+		return tree.ToMap()
+	}
+
+	rv := reflect.ValueOf(v)
+
+	if rv.Kind() != reflect.Slice {
+		return v
+	}
+	values := make([]interface{}, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		item := rv.Index(i).Interface()
+		values[i] = tomlValueToGo(item)
+	}
+	return values
+}
diff --git a/vendor/github.com/pelletier/go-toml/tomltree_writepub.go b/vendor/github.com/pelletier/go-toml/tomltree_writepub.go
new file mode 100644
index 000000000..fa326308c
--- /dev/null
+++ b/vendor/github.com/pelletier/go-toml/tomltree_writepub.go
@@ -0,0 +1,6 @@
+package toml
+
+// ValueStringRepresentation transforms an interface{} value into its toml string representation.
+func ValueStringRepresentation(v interface{}, commented string, indent string, ord MarshalOrder, arraysOneElementPerLine bool) (string, error) {
+	return tomlValueStringRepresentation(v, commented, indent, ord, arraysOneElementPerLine)
+}
diff --git a/vendor/github.com/spf13/afero/.gitignore b/vendor/github.com/spf13/afero/.gitignore
new file mode 100644
index 000000000..9c1d98611
--- /dev/null
+++ b/vendor/github.com/spf13/afero/.gitignore
@@ -0,0 +1,2 @@
+sftpfs/file1
+sftpfs/test/
diff --git a/vendor/github.com/spf13/afero/.travis.yml b/vendor/github.com/spf13/afero/.travis.yml
index 0637db726..e944f5947 100644
--- a/vendor/github.com/spf13/afero/.travis.yml
+++ b/vendor/github.com/spf13/afero/.travis.yml
@@ -1,21 +1,26 @@
-sudo: false
-language: go
-
-go:
-  - 1.9
-  - "1.10"
-  - tip
-
-os:
-  - linux
-  - osx
-
-matrix:
-  allow_failures:
-    - go: tip
-  fast_finish: true
-
-script:
-  - go build
-  - go test -race -v ./...
-
+sudo: false
+language: go
+arch:
+ - amd64
+ - ppc64e
+
+go:
+  - "1.14"
+  - "1.15"
+  - "1.16"
+  - tip
+
+os:
+  - linux
+  - osx
+
+matrix:
+  allow_failures:
+    - go: tip
+  fast_finish: true
+
+script:
+  - go build -v ./...
+  - go test -count=1 -cover -race -v ./...
+  - go vet ./...
+  - FILES=$(gofmt -s -l . zipfs sftpfs mem tarfs); if [[ -n "${FILES}" ]]; then  echo "You have go format errors; gofmt your changes"; exit 1; fi
diff --git a/vendor/github.com/spf13/afero/README.md b/vendor/github.com/spf13/afero/README.md
index 0c9b04b53..fb8eaaf89 100644
--- a/vendor/github.com/spf13/afero/README.md
+++ b/vendor/github.com/spf13/afero/README.md
@@ -6,7 +6,7 @@ A FileSystem Abstraction System for Go
 
 # Overview
 
-Afero is an filesystem framework providing a simple, uniform and universal API
+Afero is a filesystem framework providing a simple, uniform and universal API
 interacting with any filesystem, as an abstraction layer providing interfaces,
 types and methods. Afero has an exceptionally clean interface and simple design
 without needless constructors or initialization methods.
@@ -18,7 +18,7 @@ and benefit of the os and ioutil packages.
 Afero provides significant improvements over using the os package alone, most
 notably the ability to create mock and testing filesystems without relying on the disk.
 
-It is suitable for use in a any situation where you would consider using the OS
+It is suitable for use in any situation where you would consider using the OS
 package as it provides an additional abstraction that makes it easy to use a
 memory backed file system during testing. It also adds support for the http
 filesystem for full interoperability.
@@ -33,7 +33,7 @@ filesystem for full interoperability.
 * Support for compositional (union) file systems by combining multiple file systems acting as one
 * Specialized backends which modify existing filesystems (Read Only, Regexp filtered)
 * A set of utility functions ported from io, ioutil & hugo to be afero aware
-
+* Wrapper for go 1.16 filesystem abstraction `io/fs.FS`
 
 # Using Afero
 
@@ -41,8 +41,8 @@ Afero is easy to use and easier to adopt.
 
 A few different ways you could use Afero:
 
-* Use the interfaces alone to define you own file system.
-* Wrap for the OS packages.
+* Use the interfaces alone to define your own file system.
+* Wrapper for the OS packages.
 * Define different filesystems for different parts of your application.
 * Use Afero for mock filesystems while testing
 
@@ -94,6 +94,7 @@ AppFs.Open('/tmp/foo')
 File System Methods Available:
 ```go
 Chmod(name string, mode os.FileMode) : error
+Chown(name string, uid, gid int) : error
 Chtimes(name string, atime time.Time, mtime time.Time) : error
 Create(name string) : File, error
 Mkdir(name string, perm os.FileMode) : error
@@ -227,7 +228,7 @@ operation and a mock filesystem during testing or as needed.
 
 ```go
 appfs := afero.NewOsFs()
-appfs.MkdirAll("src/a", 0755))
+appfs.MkdirAll("src/a", 0755)
 ```
 
 ## Memory Backed Storage
@@ -241,7 +242,7 @@ safely.
 
 ```go
 mm := afero.NewMemMapFs()
-mm.MkdirAll("src/a", 0755))
+mm.MkdirAll("src/a", 0755)
 ```
 
 #### InMemoryFile
@@ -306,7 +307,7 @@ Any Afero FileSystem can be used as an httpFs.
 
 ```go
 httpFs := afero.NewHttpFs(<ExistingFS>)
-fileserver := http.FileServer(httpFs.Dir(<PATH>)))
+fileserver := http.FileServer(httpFs.Dir(<PATH>))
 http.Handle("/", fileserver)
 ```
 
@@ -380,8 +381,6 @@ The following is a short list of possible backends we hope someone will
 implement:
 
 * SSH
-* ZIP
-* TAR
 * S3
 
 # About the project
@@ -406,28 +405,7 @@ Googles very well.
 
 ## Release Notes
 
-* **0.10.0** 2015.12.10
-  * Full compatibility with Windows
-  * Introduction of afero utilities
-  * Test suite rewritten to work cross platform
-  * Normalize paths for MemMapFs
-  * Adding Sync to the file interface
-  * **Breaking Change** Walk and ReadDir have changed parameter order
-  * Moving types used by MemMapFs to a subpackage
-  * General bugfixes and improvements
-* **0.9.0** 2015.11.05
-  * New Walk function similar to filepath.Walk
-  * MemMapFs.OpenFile handles O_CREATE, O_APPEND, O_TRUNC
-  * MemMapFs.Remove now really deletes the file
-  * InMemoryFile.Readdir and Readdirnames work correctly
-  * InMemoryFile functions lock it for concurrent access
-  * Test suite improvements
-* **0.8.0** 2014.10.28
-  * First public version
-  * Interfaces feel ready for people to build using
-  * Interfaces satisfy all known uses
-  * MemMapFs passes the majority of the OS test suite
-  * OsFs passes the majority of the OS test suite
+See the [Releases Page](https://github.com/spf13/afero/releases).
 
 ## Contributing
 
diff --git a/vendor/github.com/spf13/afero/afero.go b/vendor/github.com/spf13/afero/afero.go
index f5b5e127c..469ff7d2d 100644
--- a/vendor/github.com/spf13/afero/afero.go
+++ b/vendor/github.com/spf13/afero/afero.go
@@ -91,9 +91,12 @@ type Fs interface {
 	// The name of this FileSystem
 	Name() string
 
-	//Chmod changes the mode of the named file to mode.
+	// Chmod changes the mode of the named file to mode.
 	Chmod(name string, mode os.FileMode) error
 
+	// Chown changes the uid and gid of the named file.
+	Chown(name string, uid, gid int) error
+
 	//Chtimes changes the access and modification times of the named file
 	Chtimes(name string, atime time.Time, mtime time.Time) error
 }
diff --git a/vendor/github.com/spf13/afero/appveyor.yml b/vendor/github.com/spf13/afero/appveyor.yml
index a633ad500..5d2f34bf1 100644
--- a/vendor/github.com/spf13/afero/appveyor.yml
+++ b/vendor/github.com/spf13/afero/appveyor.yml
@@ -10,6 +10,6 @@ build_script:
 
     go get -v github.com/spf13/afero/...
 
-    go build github.com/spf13/afero
+    go build -v github.com/spf13/afero/...
 test_script:
-- cmd: go test -race -v github.com/spf13/afero/...
+- cmd: go test -count=1 -cover -race -v github.com/spf13/afero/...
diff --git a/vendor/github.com/spf13/afero/basepath.go b/vendor/github.com/spf13/afero/basepath.go
index 616ff8ff7..4f9832829 100644
--- a/vendor/github.com/spf13/afero/basepath.go
+++ b/vendor/github.com/spf13/afero/basepath.go
@@ -83,6 +83,13 @@ func (b *BasePathFs) Chmod(name string, mode os.FileMode) (err error) {
 	return b.source.Chmod(name, mode)
 }
 
+func (b *BasePathFs) Chown(name string, uid, gid int) (err error) {
+	if name, err = b.RealPath(name); err != nil {
+		return &os.PathError{Op: "chown", Path: name, Err: err}
+	}
+	return b.source.Chown(name, uid, gid)
+}
+
 func (b *BasePathFs) Name() string {
 	return "BasePathFs"
 }
@@ -177,4 +184,28 @@ func (b *BasePathFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
 	return fi, false, err
 }
 
-// vim: ts=4 sw=4 noexpandtab nolist syn=go
+func (b *BasePathFs) SymlinkIfPossible(oldname, newname string) error {
+	oldname, err := b.RealPath(oldname)
+	if err != nil {
+		return &os.LinkError{Op: "symlink", Old: oldname, New: newname, Err: err}
+	}
+	newname, err = b.RealPath(newname)
+	if err != nil {
+		return &os.LinkError{Op: "symlink", Old: oldname, New: newname, Err: err}
+	}
+	if linker, ok := b.source.(Linker); ok {
+		return linker.SymlinkIfPossible(oldname, newname)
+	}
+	return &os.LinkError{Op: "symlink", Old: oldname, New: newname, Err: ErrNoSymlink}
+}
+
+func (b *BasePathFs) ReadlinkIfPossible(name string) (string, error) {
+	name, err := b.RealPath(name)
+	if err != nil {
+		return "", &os.PathError{Op: "readlink", Path: name, Err: err}
+	}
+	if reader, ok := b.source.(LinkReader); ok {
+		return reader.ReadlinkIfPossible(name)
+	}
+	return "", &os.PathError{Op: "readlink", Path: name, Err: ErrNoReadlink}
+}
diff --git a/vendor/github.com/spf13/afero/cacheOnReadFs.go b/vendor/github.com/spf13/afero/cacheOnReadFs.go
index 29a26c67d..71471aa25 100644
--- a/vendor/github.com/spf13/afero/cacheOnReadFs.go
+++ b/vendor/github.com/spf13/afero/cacheOnReadFs.go
@@ -117,6 +117,27 @@ func (u *CacheOnReadFs) Chmod(name string, mode os.FileMode) error {
 	return u.layer.Chmod(name, mode)
 }
 
+func (u *CacheOnReadFs) Chown(name string, uid, gid int) error {
+	st, _, err := u.cacheStatus(name)
+	if err != nil {
+		return err
+	}
+	switch st {
+	case cacheLocal:
+	case cacheHit:
+		err = u.base.Chown(name, uid, gid)
+	case cacheStale, cacheMiss:
+		if err := u.copyToLayer(name); err != nil {
+			return err
+		}
+		err = u.base.Chown(name, uid, gid)
+	}
+	if err != nil {
+		return err
+	}
+	return u.layer.Chown(name, uid, gid)
+}
+
 func (u *CacheOnReadFs) Stat(name string) (os.FileInfo, error) {
 	st, fi, err := u.cacheStatus(name)
 	if err != nil {
diff --git a/vendor/github.com/spf13/afero/const_bsds.go b/vendor/github.com/spf13/afero/const_bsds.go
index 5728243d9..18b45824b 100644
--- a/vendor/github.com/spf13/afero/const_bsds.go
+++ b/vendor/github.com/spf13/afero/const_bsds.go
@@ -11,7 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// +build darwin openbsd freebsd netbsd dragonfly
+// +build aix darwin openbsd freebsd netbsd dragonfly
 
 package afero
 
diff --git a/vendor/github.com/spf13/afero/const_win_unix.go b/vendor/github.com/spf13/afero/const_win_unix.go
index 968fc2783..2b850e4dd 100644
--- a/vendor/github.com/spf13/afero/const_win_unix.go
+++ b/vendor/github.com/spf13/afero/const_win_unix.go
@@ -15,6 +15,7 @@
 // +build !freebsd
 // +build !dragonfly
 // +build !netbsd
+// +build !aix
 
 package afero
 
diff --git a/vendor/github.com/spf13/afero/copyOnWriteFs.go b/vendor/github.com/spf13/afero/copyOnWriteFs.go
index e8108a851..6ff8f3099 100644
--- a/vendor/github.com/spf13/afero/copyOnWriteFs.go
+++ b/vendor/github.com/spf13/afero/copyOnWriteFs.go
@@ -14,7 +14,7 @@ var _ Lstater = (*CopyOnWriteFs)(nil)
 // a possibly writeable layer on top. Changes to the file system will only
 // be made in the overlay: Changing an existing file in the base layer which
 // is not present in the overlay will copy the file to the overlay ("changing"
-// includes also calls to e.g. Chtimes() and Chmod()).
+// includes also calls to e.g. Chtimes(), Chmod() and Chown()).
 //
 // Reading directories is currently only supported via Open(), not OpenFile().
 type CopyOnWriteFs struct {
@@ -75,6 +75,19 @@ func (u *CopyOnWriteFs) Chmod(name string, mode os.FileMode) error {
 	return u.layer.Chmod(name, mode)
 }
 
+func (u *CopyOnWriteFs) Chown(name string, uid, gid int) error {
+	b, err := u.isBaseFile(name)
+	if err != nil {
+		return err
+	}
+	if b {
+		if err := u.copyToLayer(name); err != nil {
+			return err
+		}
+	}
+	return u.layer.Chown(name, uid, gid)
+}
+
 func (u *CopyOnWriteFs) Stat(name string) (os.FileInfo, error) {
 	fi, err := u.layer.Stat(name)
 	if err != nil {
@@ -117,6 +130,26 @@ func (u *CopyOnWriteFs) LstatIfPossible(name string) (os.FileInfo, bool, error)
 	return fi, false, err
 }
 
+func (u *CopyOnWriteFs) SymlinkIfPossible(oldname, newname string) error {
+	if slayer, ok := u.layer.(Linker); ok {
+		return slayer.SymlinkIfPossible(oldname, newname)
+	}
+
+	return &os.LinkError{Op: "symlink", Old: oldname, New: newname, Err: ErrNoSymlink}
+}
+
+func (u *CopyOnWriteFs) ReadlinkIfPossible(name string) (string, error) {
+	if rlayer, ok := u.layer.(LinkReader); ok {
+		return rlayer.ReadlinkIfPossible(name)
+	}
+
+	if rbase, ok := u.base.(LinkReader); ok {
+		return rbase.ReadlinkIfPossible(name)
+	}
+
+	return "", &os.PathError{Op: "readlink", Path: name, Err: ErrNoReadlink}
+}
+
 func (u *CopyOnWriteFs) isNotExist(err error) bool {
 	if e, ok := err.(*os.PathError); ok {
 		err = e.Err
diff --git a/vendor/github.com/spf13/afero/go.mod b/vendor/github.com/spf13/afero/go.mod
index 086855099..abe4fe1cf 100644
--- a/vendor/github.com/spf13/afero/go.mod
+++ b/vendor/github.com/spf13/afero/go.mod
@@ -1,3 +1,9 @@
 module github.com/spf13/afero
 
-require golang.org/x/text v0.3.0
+require (
+	github.com/pkg/sftp v1.10.1
+	golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586
+	golang.org/x/text v0.3.3
+)
+
+go 1.13
diff --git a/vendor/github.com/spf13/afero/go.sum b/vendor/github.com/spf13/afero/go.sum
index 6bad37b2a..89d9bfbc4 100644
--- a/vendor/github.com/spf13/afero/go.sum
+++ b/vendor/github.com/spf13/afero/go.sum
@@ -1,2 +1,29 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/kr/fs v0.1.0 h1:Jskdu9ieNAYnjxsi0LbQp1ulIKZV1LAFgK1tWhpZgl8=
+github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/sftp v1.10.1 h1:VasscCm72135zRysgrJDKsntdmPN+OuU3+nnHYA9wyc=
+github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586 h1:7KByu05hhLed2MO29w7p1XfZvZ13m8mub3shuVftRs0=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/vendor/github.com/spf13/afero/httpFs.go b/vendor/github.com/spf13/afero/httpFs.go
index c42193688..2b86e30d1 100644
--- a/vendor/github.com/spf13/afero/httpFs.go
+++ b/vendor/github.com/spf13/afero/httpFs.go
@@ -67,6 +67,10 @@ func (h HttpFs) Chmod(name string, mode os.FileMode) error {
 	return h.source.Chmod(name, mode)
 }
 
+func (h HttpFs) Chown(name string, uid, gid int) error {
+	return h.source.Chown(name, uid, gid)
+}
+
 func (h HttpFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
 	return h.source.Chtimes(name, atime, mtime)
 }
diff --git a/vendor/github.com/spf13/afero/iofs.go b/vendor/github.com/spf13/afero/iofs.go
new file mode 100644
index 000000000..c80345536
--- /dev/null
+++ b/vendor/github.com/spf13/afero/iofs.go
@@ -0,0 +1,288 @@
+// +build go1.16
+
+package afero
+
+import (
+	"io"
+	"io/fs"
+	"os"
+	"path"
+	"time"
+)
+
+// IOFS adopts afero.Fs to stdlib io/fs.FS
+type IOFS struct {
+	Fs
+}
+
+func NewIOFS(fs Fs) IOFS {
+	return IOFS{Fs: fs}
+}
+
+var (
+	_ fs.FS         = IOFS{}
+	_ fs.GlobFS     = IOFS{}
+	_ fs.ReadDirFS  = IOFS{}
+	_ fs.ReadFileFS = IOFS{}
+	_ fs.StatFS     = IOFS{}
+	_ fs.SubFS      = IOFS{}
+)
+
+func (iofs IOFS) Open(name string) (fs.File, error) {
+	const op = "open"
+
+	// by convention for fs.FS implementations we should perform this check
+	if !fs.ValidPath(name) {
+		return nil, iofs.wrapError(op, name, fs.ErrInvalid)
+	}
+
+	file, err := iofs.Fs.Open(name)
+	if err != nil {
+		return nil, iofs.wrapError(op, name, err)
+	}
+
+	// file should implement fs.ReadDirFile
+	if _, ok := file.(fs.ReadDirFile); !ok {
+		file = readDirFile{file}
+	}
+
+	return file, nil
+}
+
+func (iofs IOFS) Glob(pattern string) ([]string, error) {
+	const op = "glob"
+
+	// afero.Glob does not perform this check but it's required for implementations
+	if _, err := path.Match(pattern, ""); err != nil {
+		return nil, iofs.wrapError(op, pattern, err)
+	}
+
+	items, err := Glob(iofs.Fs, pattern)
+	if err != nil {
+		return nil, iofs.wrapError(op, pattern, err)
+	}
+
+	return items, nil
+}
+
+func (iofs IOFS) ReadDir(name string) ([]fs.DirEntry, error) {
+	items, err := ReadDir(iofs.Fs, name)
+	if err != nil {
+		return nil, iofs.wrapError("readdir", name, err)
+	}
+
+	ret := make([]fs.DirEntry, len(items))
+	for i := range items {
+		ret[i] = dirEntry{items[i]}
+	}
+
+	return ret, nil
+}
+
+func (iofs IOFS) ReadFile(name string) ([]byte, error) {
+	const op = "readfile"
+
+	if !fs.ValidPath(name) {
+		return nil, iofs.wrapError(op, name, fs.ErrInvalid)
+	}
+
+	bytes, err := ReadFile(iofs.Fs, name)
+	if err != nil {
+		return nil, iofs.wrapError(op, name, err)
+	}
+
+	return bytes, nil
+}
+
+func (iofs IOFS) Sub(dir string) (fs.FS, error) { return IOFS{NewBasePathFs(iofs.Fs, dir)}, nil }
+
+func (IOFS) wrapError(op, path string, err error) error {
+	if _, ok := err.(*fs.PathError); ok {
+		return err // don't need to wrap again
+	}
+
+	return &fs.PathError{
+		Op:   op,
+		Path: path,
+		Err:  err,
+	}
+}
+
+// dirEntry provides adapter from os.FileInfo to fs.DirEntry
+type dirEntry struct {
+	fs.FileInfo
+}
+
+var _ fs.DirEntry = dirEntry{}
+
+func (d dirEntry) Type() fs.FileMode { return d.FileInfo.Mode().Type() }
+
+func (d dirEntry) Info() (fs.FileInfo, error) { return d.FileInfo, nil }
+
+// readDirFile provides adapter from afero.File to fs.ReadDirFile needed for correct Open
+type readDirFile struct {
+	File
+}
+
+var _ fs.ReadDirFile = readDirFile{}
+
+func (r readDirFile) ReadDir(n int) ([]fs.DirEntry, error) {
+	items, err := r.File.Readdir(n)
+	if err != nil {
+		return nil, err
+	}
+
+	ret := make([]fs.DirEntry, len(items))
+	for i := range items {
+		ret[i] = dirEntry{items[i]}
+	}
+
+	return ret, nil
+}
+
+// FromIOFS adopts io/fs.FS to use it as afero.Fs
+// Note that io/fs.FS is read-only so all mutating methods will return fs.PathError with fs.ErrPermission
+// To store modifications you may use afero.CopyOnWriteFs
+type FromIOFS struct {
+	fs.FS
+}
+
+var _ Fs = FromIOFS{}
+
+func (f FromIOFS) Create(name string) (File, error) { return nil, notImplemented("create", name) }
+
+func (f FromIOFS) Mkdir(name string, perm os.FileMode) error { return notImplemented("mkdir", name) }
+
+func (f FromIOFS) MkdirAll(path string, perm os.FileMode) error {
+	return notImplemented("mkdirall", path)
+}
+
+func (f FromIOFS) Open(name string) (File, error) {
+	file, err := f.FS.Open(name)
+	if err != nil {
+		return nil, err
+	}
+
+	return fromIOFSFile{File: file, name: name}, nil
+}
+
+func (f FromIOFS) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
+	return f.Open(name)
+}
+
+func (f FromIOFS) Remove(name string) error {
+	return notImplemented("remove", name)
+}
+
+func (f FromIOFS) RemoveAll(path string) error {
+	return notImplemented("removeall", path)
+}
+
+func (f FromIOFS) Rename(oldname, newname string) error {
+	return notImplemented("rename", oldname)
+}
+
+func (f FromIOFS) Stat(name string) (os.FileInfo, error) { return fs.Stat(f.FS, name) }
+
+func (f FromIOFS) Name() string { return "fromiofs" }
+
+func (f FromIOFS) Chmod(name string, mode os.FileMode) error {
+	return notImplemented("chmod", name)
+}
+
+func (f FromIOFS) Chown(name string, uid, gid int) error {
+	return notImplemented("chown", name)
+}
+
+func (f FromIOFS) Chtimes(name string, atime time.Time, mtime time.Time) error {
+	return notImplemented("chtimes", name)
+}
+
+type fromIOFSFile struct {
+	fs.File
+	name string
+}
+
+func (f fromIOFSFile) ReadAt(p []byte, off int64) (n int, err error) {
+	readerAt, ok := f.File.(io.ReaderAt)
+	if !ok {
+		return -1, notImplemented("readat", f.name)
+	}
+
+	return readerAt.ReadAt(p, off)
+}
+
+func (f fromIOFSFile) Seek(offset int64, whence int) (int64, error) {
+	seeker, ok := f.File.(io.Seeker)
+	if !ok {
+		return -1, notImplemented("seek", f.name)
+	}
+
+	return seeker.Seek(offset, whence)
+}
+
+func (f fromIOFSFile) Write(p []byte) (n int, err error) {
+	return -1, notImplemented("write", f.name)
+}
+
+func (f fromIOFSFile) WriteAt(p []byte, off int64) (n int, err error) {
+	return -1, notImplemented("writeat", f.name)
+}
+
+func (f fromIOFSFile) Name() string { return f.name }
+
+func (f fromIOFSFile) Readdir(count int) ([]os.FileInfo, error) {
+	rdfile, ok := f.File.(fs.ReadDirFile)
+	if !ok {
+		return nil, notImplemented("readdir", f.name)
+	}
+
+	entries, err := rdfile.ReadDir(count)
+	if err != nil {
+		return nil, err
+	}
+
+	ret := make([]os.FileInfo, len(entries))
+	for i := range entries {
+		ret[i], err = entries[i].Info()
+
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return ret, nil
+}
+
+func (f fromIOFSFile) Readdirnames(n int) ([]string, error) {
+	rdfile, ok := f.File.(fs.ReadDirFile)
+	if !ok {
+		return nil, notImplemented("readdir", f.name)
+	}
+
+	entries, err := rdfile.ReadDir(n)
+	if err != nil {
+		return nil, err
+	}
+
+	ret := make([]string, len(entries))
+	for i := range entries {
+		ret[i] = entries[i].Name()
+	}
+
+	return ret, nil
+}
+
+func (f fromIOFSFile) Sync() error { return nil }
+
+func (f fromIOFSFile) Truncate(size int64) error {
+	return notImplemented("truncate", f.name)
+}
+
+func (f fromIOFSFile) WriteString(s string) (ret int, err error) {
+	return -1, notImplemented("writestring", f.name)
+}
+
+func notImplemented(op, path string) error {
+	return &fs.PathError{Op: op, Path: path, Err: fs.ErrPermission}
+}
diff --git a/vendor/github.com/spf13/afero/ioutil.go b/vendor/github.com/spf13/afero/ioutil.go
index 5c3a3d8ff..a403133e2 100644
--- a/vendor/github.com/spf13/afero/ioutil.go
+++ b/vendor/github.com/spf13/afero/ioutil.go
@@ -22,6 +22,7 @@ import (
 	"path/filepath"
 	"sort"
 	"strconv"
+	"strings"
 	"sync"
 	"time"
 )
@@ -147,7 +148,7 @@ func reseed() uint32 {
 	return uint32(time.Now().UnixNano() + int64(os.Getpid()))
 }
 
-func nextSuffix() string {
+func nextRandom() string {
 	randmu.Lock()
 	r := rand
 	if r == 0 {
@@ -159,27 +160,36 @@ func nextSuffix() string {
 	return strconv.Itoa(int(1e9 + r%1e9))[1:]
 }
 
-// TempFile creates a new temporary file in the directory dir
-// with a name beginning with prefix, opens the file for reading
-// and writing, and returns the resulting *File.
+// TempFile creates a new temporary file in the directory dir,
+// opens the file for reading and writing, and returns the resulting *os.File.
+// The filename is generated by taking pattern and adding a random
+// string to the end. If pattern includes a "*", the random string
+// replaces the last "*".
 // If dir is the empty string, TempFile uses the default directory
 // for temporary files (see os.TempDir).
 // Multiple programs calling TempFile simultaneously
-// will not choose the same file.  The caller can use f.Name()
-// to find the pathname of the file.  It is the caller's responsibility
+// will not choose the same file. The caller can use f.Name()
+// to find the pathname of the file. It is the caller's responsibility
 // to remove the file when no longer needed.
-func (a Afero) TempFile(dir, prefix string) (f File, err error) {
-	return TempFile(a.Fs, dir, prefix)
+func (a Afero) TempFile(dir, pattern string) (f File, err error) {
+	return TempFile(a.Fs, dir, pattern)
 }
 
-func TempFile(fs Fs, dir, prefix string) (f File, err error) {
+func TempFile(fs Fs, dir, pattern string) (f File, err error) {
 	if dir == "" {
 		dir = os.TempDir()
 	}
 
+	var prefix, suffix string
+	if pos := strings.LastIndex(pattern, "*"); pos != -1 {
+		prefix, suffix = pattern[:pos], pattern[pos+1:]
+	} else {
+		prefix = pattern
+	}
+
 	nconflict := 0
 	for i := 0; i < 10000; i++ {
-		name := filepath.Join(dir, prefix+nextSuffix())
+		name := filepath.Join(dir, prefix+nextRandom()+suffix)
 		f, err = fs.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
 		if os.IsExist(err) {
 			if nconflict++; nconflict > 10 {
@@ -211,7 +221,7 @@ func TempDir(fs Fs, dir, prefix string) (name string, err error) {
 
 	nconflict := 0
 	for i := 0; i < 10000; i++ {
-		try := filepath.Join(dir, prefix+nextSuffix())
+		try := filepath.Join(dir, prefix+nextRandom())
 		err = fs.Mkdir(try, 0700)
 		if os.IsExist(err) {
 			if nconflict++; nconflict > 10 {
diff --git a/vendor/github.com/spf13/afero/match.go b/vendor/github.com/spf13/afero/match.go
index c18a87fb7..7db4b7de6 100644
--- a/vendor/github.com/spf13/afero/match.go
+++ b/vendor/github.com/spf13/afero/match.go
@@ -106,5 +106,5 @@ func glob(fs Fs, dir, pattern string, matches []string) (m []string, e error) {
 // recognized by Match.
 func hasMeta(path string) bool {
 	// TODO(niemeyer): Should other magic characters be added here?
-	return strings.IndexAny(path, "*?[") >= 0
+	return strings.ContainsAny(path, "*?[")
 }
diff --git a/vendor/github.com/spf13/afero/mem/file.go b/vendor/github.com/spf13/afero/mem/file.go
index 7af2fb56f..5a20730c2 100644
--- a/vendor/github.com/spf13/afero/mem/file.go
+++ b/vendor/github.com/spf13/afero/mem/file.go
@@ -22,10 +22,9 @@ import (
 	"path/filepath"
 	"sync"
 	"sync/atomic"
+	"time"
 )
 
-import "time"
-
 const FilePathSeparator = string(filepath.Separator)
 
 type File struct {
@@ -57,6 +56,8 @@ type FileData struct {
 	dir     bool
 	mode    os.FileMode
 	modtime time.Time
+	uid     int
+	gid     int
 }
 
 func (d *FileData) Name() string {
@@ -95,6 +96,18 @@ func setModTime(f *FileData, mtime time.Time) {
 	f.modtime = mtime
 }
 
+func SetUID(f *FileData, uid int) {
+	f.Lock()
+	f.uid = uid
+	f.Unlock()
+}
+
+func SetGID(f *FileData, gid int) {
+	f.Lock()
+	f.gid = gid
+	f.Unlock()
+}
+
 func GetFileInfo(f *FileData) *FileInfo {
 	return &FileInfo{f}
 }
@@ -193,8 +206,11 @@ func (f *File) Read(b []byte) (n int, err error) {
 }
 
 func (f *File) ReadAt(b []byte, off int64) (n int, err error) {
+	prev := atomic.LoadInt64(&f.at)
 	atomic.StoreInt64(&f.at, off)
-	return f.Read(b)
+	n, err = f.Read(b)
+	atomic.StoreInt64(&f.at, prev)
+	return
 }
 
 func (f *File) Truncate(size int64) error {
@@ -207,6 +223,8 @@ func (f *File) Truncate(size int64) error {
 	if size < 0 {
 		return ErrOutOfRange
 	}
+	f.fileData.Lock()
+	defer f.fileData.Unlock()
 	if size > int64(len(f.fileData.data)) {
 		diff := size - int64(len(f.fileData.data))
 		f.fileData.data = append(f.fileData.data, bytes.Repeat([]byte{00}, int(diff))...)
@@ -222,17 +240,20 @@ func (f *File) Seek(offset int64, whence int) (int64, error) {
 		return 0, ErrFileClosed
 	}
 	switch whence {
-	case 0:
+	case io.SeekStart:
 		atomic.StoreInt64(&f.at, offset)
-	case 1:
-		atomic.AddInt64(&f.at, int64(offset))
-	case 2:
+	case io.SeekCurrent:
+		atomic.AddInt64(&f.at, offset)
+	case io.SeekEnd:
 		atomic.StoreInt64(&f.at, int64(len(f.fileData.data))+offset)
 	}
 	return f.at, nil
 }
 
 func (f *File) Write(b []byte) (n int, err error) {
+	if f.closed == true {
+		return 0, ErrFileClosed
+	}
 	if f.readOnly {
 		return 0, &os.PathError{Op: "write", Path: f.fileData.name, Err: errors.New("file handle is read only")}
 	}
@@ -246,7 +267,7 @@ func (f *File) Write(b []byte) (n int, err error) {
 		tail = f.fileData.data[n+int(cur):]
 	}
 	if diff > 0 {
-		f.fileData.data = append(bytes.Repeat([]byte{00}, int(diff)), b...)
+		f.fileData.data = append(f.fileData.data, append(bytes.Repeat([]byte{00}, int(diff)), b...)...)
 		f.fileData.data = append(f.fileData.data, tail...)
 	} else {
 		f.fileData.data = append(f.fileData.data[:cur], b...)
@@ -254,7 +275,7 @@ func (f *File) Write(b []byte) (n int, err error) {
 	}
 	setModTime(f.fileData, time.Now())
 
-	atomic.StoreInt64(&f.at, int64(len(f.fileData.data)))
+	atomic.AddInt64(&f.at, int64(n))
 	return
 }
 
diff --git a/vendor/github.com/spf13/afero/memmap.go b/vendor/github.com/spf13/afero/memmap.go
index 09498e70f..5c265f92b 100644
--- a/vendor/github.com/spf13/afero/memmap.go
+++ b/vendor/github.com/spf13/afero/memmap.go
@@ -25,6 +25,8 @@ import (
 	"github.com/spf13/afero/mem"
 )
 
+const chmodBits = os.ModePerm | os.ModeSetuid | os.ModeSetgid | os.ModeSticky // Only a subset of bits are allowed to be changed. Documented under os.Chmod()
+
 type MemMapFs struct {
 	mu   sync.RWMutex
 	data map[string]*mem.FileData
@@ -40,7 +42,9 @@ func (m *MemMapFs) getData() map[string]*mem.FileData {
 		m.data = make(map[string]*mem.FileData)
 		// Root should always exist, right?
 		// TODO: what about windows?
-		m.data[FilePathSeparator] = mem.CreateDir(FilePathSeparator)
+		root := mem.CreateDir(FilePathSeparator)
+		mem.SetMode(root, os.ModeDir|0755)
+		m.data[FilePathSeparator] = root
 	})
 	return m.data
 }
@@ -52,7 +56,7 @@ func (m *MemMapFs) Create(name string) (File, error) {
 	m.mu.Lock()
 	file := mem.CreateFile(name)
 	m.getData()[name] = file
-	m.registerWithParent(file)
+	m.registerWithParent(file, 0)
 	m.mu.Unlock()
 	return mem.NewFileHandle(file), nil
 }
@@ -83,14 +87,14 @@ func (m *MemMapFs) findParent(f *mem.FileData) *mem.FileData {
 	return pfile
 }
 
-func (m *MemMapFs) registerWithParent(f *mem.FileData) {
+func (m *MemMapFs) registerWithParent(f *mem.FileData, perm os.FileMode) {
 	if f == nil {
 		return
 	}
 	parent := m.findParent(f)
 	if parent == nil {
 		pdir := filepath.Dir(filepath.Clean(f.Name()))
-		err := m.lockfreeMkdir(pdir, 0777)
+		err := m.lockfreeMkdir(pdir, perm)
 		if err != nil {
 			//log.Println("Mkdir error:", err)
 			return
@@ -119,13 +123,15 @@ func (m *MemMapFs) lockfreeMkdir(name string, perm os.FileMode) error {
 		}
 	} else {
 		item := mem.CreateDir(name)
+		mem.SetMode(item, os.ModeDir|perm)
 		m.getData()[name] = item
-		m.registerWithParent(item)
+		m.registerWithParent(item, perm)
 	}
 	return nil
 }
 
 func (m *MemMapFs) Mkdir(name string, perm os.FileMode) error {
+	perm &= chmodBits
 	name = normalizePath(name)
 
 	m.mu.RLock()
@@ -137,13 +143,12 @@ func (m *MemMapFs) Mkdir(name string, perm os.FileMode) error {
 
 	m.mu.Lock()
 	item := mem.CreateDir(name)
+	mem.SetMode(item, os.ModeDir|perm)
 	m.getData()[name] = item
-	m.registerWithParent(item)
+	m.registerWithParent(item, perm)
 	m.mu.Unlock()
 
-	m.Chmod(name, perm|os.ModeDir)
-
-	return nil
+	return m.setFileMode(name, perm|os.ModeDir)
 }
 
 func (m *MemMapFs) MkdirAll(path string, perm os.FileMode) error {
@@ -210,8 +215,12 @@ func (m *MemMapFs) lockfreeOpen(name string) (*mem.FileData, error) {
 }
 
 func (m *MemMapFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
+	perm &= chmodBits
 	chmod := false
 	file, err := m.openWrite(name)
+	if err == nil && (flag&os.O_EXCL > 0) {
+		return nil, &os.PathError{Op: "open", Path: name, Err: ErrFileExists}
+	}
 	if os.IsNotExist(err) && (flag&os.O_CREATE > 0) {
 		file, err = m.Create(name)
 		chmod = true
@@ -237,7 +246,7 @@ func (m *MemMapFs) OpenFile(name string, flag int, perm os.FileMode) (File, erro
 		}
 	}
 	if chmod {
-		m.Chmod(name, perm)
+		return file, m.setFileMode(name, perm)
 	}
 	return file, nil
 }
@@ -269,7 +278,7 @@ func (m *MemMapFs) RemoveAll(path string) error {
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 
-	for p, _ := range m.getData() {
+	for p := range m.getData() {
 		if strings.HasPrefix(p, path) {
 			m.mu.RUnlock()
 			m.mu.Lock()
@@ -299,7 +308,7 @@ func (m *MemMapFs) Rename(oldname, newname string) error {
 		delete(m.getData(), oldname)
 		mem.ChangeFileName(fileData, newname)
 		m.getData()[newname] = fileData
-		m.registerWithParent(fileData)
+		m.registerWithParent(fileData, 0)
 		m.mu.Unlock()
 		m.mu.RLock()
 	} else {
@@ -308,6 +317,11 @@ func (m *MemMapFs) Rename(oldname, newname string) error {
 	return nil
 }
 
+func (m *MemMapFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
+	fileInfo, err := m.Stat(name)
+	return fileInfo, false, err
+}
+
 func (m *MemMapFs) Stat(name string) (os.FileInfo, error) {
 	f, err := m.Open(name)
 	if err != nil {
@@ -318,6 +332,21 @@ func (m *MemMapFs) Stat(name string) (os.FileInfo, error) {
 }
 
 func (m *MemMapFs) Chmod(name string, mode os.FileMode) error {
+	mode &= chmodBits
+
+	m.mu.RLock()
+	f, ok := m.getData()[name]
+	m.mu.RUnlock()
+	if !ok {
+		return &os.PathError{Op: "chmod", Path: name, Err: ErrFileNotFound}
+	}
+	prevOtherBits := mem.GetFileInfo(f).Mode() & ^chmodBits
+
+	mode = prevOtherBits | mode
+	return m.setFileMode(name, mode)
+}
+
+func (m *MemMapFs) setFileMode(name string, mode os.FileMode) error {
 	name = normalizePath(name)
 
 	m.mu.RLock()
@@ -334,6 +363,22 @@ func (m *MemMapFs) Chmod(name string, mode os.FileMode) error {
 	return nil
 }
 
+func (m *MemMapFs) Chown(name string, uid, gid int) error {
+	name = normalizePath(name)
+
+	m.mu.RLock()
+	f, ok := m.getData()[name]
+	m.mu.RUnlock()
+	if !ok {
+		return &os.PathError{Op: "chown", Path: name, Err: ErrFileNotFound}
+	}
+
+	mem.SetUID(f, uid)
+	mem.SetGID(f, gid)
+
+	return nil
+}
+
 func (m *MemMapFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
 	name = normalizePath(name)
 
@@ -357,9 +402,3 @@ func (m *MemMapFs) List() {
 		fmt.Println(x.Name(), y.Size())
 	}
 }
-
-// func debugMemMapList(fs Fs) {
-// 	if x, ok := fs.(*MemMapFs); ok {
-// 		x.List()
-// 	}
-// }
diff --git a/vendor/github.com/spf13/afero/os.go b/vendor/github.com/spf13/afero/os.go
index 13cc1b84c..f1366321e 100644
--- a/vendor/github.com/spf13/afero/os.go
+++ b/vendor/github.com/spf13/afero/os.go
@@ -91,6 +91,10 @@ func (OsFs) Chmod(name string, mode os.FileMode) error {
 	return os.Chmod(name, mode)
 }
 
+func (OsFs) Chown(name string, uid, gid int) error {
+	return os.Chown(name, uid, gid)
+}
+
 func (OsFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
 	return os.Chtimes(name, atime, mtime)
 }
@@ -99,3 +103,11 @@ func (OsFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
 	fi, err := os.Lstat(name)
 	return fi, true, err
 }
+
+func (OsFs) SymlinkIfPossible(oldname, newname string) error {
+	return os.Symlink(oldname, newname)
+}
+
+func (OsFs) ReadlinkIfPossible(name string) (string, error) {
+	return os.Readlink(name)
+}
diff --git a/vendor/github.com/spf13/afero/readonlyfs.go b/vendor/github.com/spf13/afero/readonlyfs.go
index c6376ec37..bd8f9264d 100644
--- a/vendor/github.com/spf13/afero/readonlyfs.go
+++ b/vendor/github.com/spf13/afero/readonlyfs.go
@@ -28,6 +28,10 @@ func (r *ReadOnlyFs) Chmod(n string, m os.FileMode) error {
 	return syscall.EPERM
 }
 
+func (r *ReadOnlyFs) Chown(n string, uid, gid int) error {
+	return syscall.EPERM
+}
+
 func (r *ReadOnlyFs) Name() string {
 	return "ReadOnlyFilter"
 }
@@ -44,6 +48,18 @@ func (r *ReadOnlyFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
 	return fi, false, err
 }
 
+func (r *ReadOnlyFs) SymlinkIfPossible(oldname, newname string) error {
+	return &os.LinkError{Op: "symlink", Old: oldname, New: newname, Err: ErrNoSymlink}
+}
+
+func (r *ReadOnlyFs) ReadlinkIfPossible(name string) (string, error) {
+	if srdr, ok := r.source.(LinkReader); ok {
+		return srdr.ReadlinkIfPossible(name)
+	}
+
+	return "", &os.PathError{Op: "readlink", Path: name, Err: ErrNoReadlink}
+}
+
 func (r *ReadOnlyFs) Rename(o, n string) error {
 	return syscall.EPERM
 }
diff --git a/vendor/github.com/spf13/afero/regexpfs.go b/vendor/github.com/spf13/afero/regexpfs.go
index 9d92dbc05..ac359c62a 100644
--- a/vendor/github.com/spf13/afero/regexpfs.go
+++ b/vendor/github.com/spf13/afero/regexpfs.go
@@ -60,6 +60,13 @@ func (r *RegexpFs) Chmod(name string, mode os.FileMode) error {
 	return r.source.Chmod(name, mode)
 }
 
+func (r *RegexpFs) Chown(name string, uid, gid int) error {
+	if err := r.dirOrMatches(name); err != nil {
+		return err
+	}
+	return r.source.Chown(name, uid, gid)
+}
+
 func (r *RegexpFs) Name() string {
 	return "RegexpFs"
 }
@@ -126,6 +133,9 @@ func (r *RegexpFs) Open(name string) (File, error) {
 		}
 	}
 	f, err := r.source.Open(name)
+	if err != nil {
+		return nil, err
+	}
 	return &RegexpFile{f: f, re: r.re}, nil
 }
 
diff --git a/vendor/github.com/spf13/afero/symlink.go b/vendor/github.com/spf13/afero/symlink.go
new file mode 100644
index 000000000..d1c6ea53d
--- /dev/null
+++ b/vendor/github.com/spf13/afero/symlink.go
@@ -0,0 +1,55 @@
+// Copyright © 2018 Steve Francia <spf@spf13.com>.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package afero
+
+import (
+	"errors"
+)
+
+// Symlinker is an optional interface in Afero. It is only implemented by the
+// filesystems saying so.
+// It indicates support for 3 symlink related interfaces that implement the
+// behaviors of the os methods:
+//    - Lstat
+//    - Symlink, and
+//    - Readlink
+type Symlinker interface {
+	Lstater
+	Linker
+	LinkReader
+}
+
+// Linker is an optional interface in Afero. It is only implemented by the
+// filesystems saying so.
+// It will call Symlink if the filesystem itself is, or it delegates to, the os filesystem,
+// or the filesystem otherwise supports Symlink's.
+type Linker interface {
+	SymlinkIfPossible(oldname, newname string) error
+}
+
+// ErrNoSymlink is the error that will be wrapped in an os.LinkError if a file system
+// does not support Symlink's either directly or through its delegated filesystem.
+// As expressed by support for the Linker interface.
+var ErrNoSymlink = errors.New("symlink not supported")
+
+// LinkReader is an optional interface in Afero. It is only implemented by the
+// filesystems saying so.
+type LinkReader interface {
+	ReadlinkIfPossible(name string) (string, error)
+}
+
+// ErrNoReadlink is the error that will be wrapped in an os.Path if a file system
+// does not support the readlink operation either directly or through its delegated filesystem.
+// As expressed by support for the LinkReader interface.
+var ErrNoReadlink = errors.New("readlink not supported")
diff --git a/vendor/github.com/spf13/afero/unionFile.go b/vendor/github.com/spf13/afero/unionFile.go
index eda96312d..985363eea 100644
--- a/vendor/github.com/spf13/afero/unionFile.go
+++ b/vendor/github.com/spf13/afero/unionFile.go
@@ -186,25 +186,22 @@ func (f *UnionFile) Readdir(c int) (ofi []os.FileInfo, err error) {
 		}
 		f.files = append(f.files, merged...)
 	}
+	files := f.files[f.off:]
 
-	if c <= 0 && len(f.files) == 0 {
-		return f.files, nil
+	if c <= 0 {
+		return files, nil
 	}
 
-	if f.off >= len(f.files) {
+	if len(files) == 0 {
 		return nil, io.EOF
 	}
 
-	if c <= 0 {
-		return f.files[f.off:], nil
-	}
-
-	if c > len(f.files) {
-		c = len(f.files)
+	if c > len(files) {
+		c = len(files)
 	}
 
 	defer func() { f.off += c }()
-	return f.files[f.off:c], nil
+	return files[:c], nil
 }
 
 func (f *UnionFile) Readdirnames(c int) ([]string, error) {
diff --git a/vendor/github.com/spf13/cast/.travis.yml b/vendor/github.com/spf13/cast/.travis.yml
index 6420d1c27..833a48799 100644
--- a/vendor/github.com/spf13/cast/.travis.yml
+++ b/vendor/github.com/spf13/cast/.travis.yml
@@ -4,6 +4,7 @@ env:
 sudo: required
 go:
   - "1.11.x"
+  - "1.12.x"
   - tip
 os:
   - linux
diff --git a/vendor/github.com/spf13/cast/Makefile b/vendor/github.com/spf13/cast/Makefile
index 7ccf8930b..f01a5dbb6 100644
--- a/vendor/github.com/spf13/cast/Makefile
+++ b/vendor/github.com/spf13/cast/Makefile
@@ -1,4 +1,4 @@
-# A Self-Documenting Makefile: http://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
+GOVERSION := $(shell go version | cut -d ' ' -f 3 | cut -d '.' -f 2)
 
 .PHONY: check fmt lint test test-race vet test-cover-html help
 .DEFAULT_GOAL := help
@@ -12,11 +12,13 @@ test-race: ## Run tests with race detector
 	go test -race ./...
 
 fmt: ## Run gofmt linter
+ifeq "$(GOVERSION)" "12"
 	@for d in `go list` ; do \
 		if [ "`gofmt -l -s $$GOPATH/src/$$d | tee /dev/stderr`" ]; then \
 			echo "^ improperly formatted go files" && echo && exit 1; \
 		fi \
 	done
+endif
 
 lint: ## Run golint linter
 	@for d in `go list` ; do \
diff --git a/vendor/github.com/spf13/cast/caste.go b/vendor/github.com/spf13/cast/caste.go
index a4859fb0a..70c7291be 100644
--- a/vendor/github.com/spf13/cast/caste.go
+++ b/vendor/github.com/spf13/cast/caste.go
@@ -819,15 +819,15 @@ func ToStringE(i interface{}) (string, error) {
 	case int8:
 		return strconv.FormatInt(int64(s), 10), nil
 	case uint:
-		return strconv.FormatInt(int64(s), 10), nil
+		return strconv.FormatUint(uint64(s), 10), nil
 	case uint64:
-		return strconv.FormatInt(int64(s), 10), nil
+		return strconv.FormatUint(uint64(s), 10), nil
 	case uint32:
-		return strconv.FormatInt(int64(s), 10), nil
+		return strconv.FormatUint(uint64(s), 10), nil
 	case uint16:
-		return strconv.FormatInt(int64(s), 10), nil
+		return strconv.FormatUint(uint64(s), 10), nil
 	case uint8:
-		return strconv.FormatInt(int64(s), 10), nil
+		return strconv.FormatUint(uint64(s), 10), nil
 	case []byte:
 		return string(s), nil
 	case template.HTML:
diff --git a/vendor/github.com/spf13/cobra/.golangci.yml b/vendor/github.com/spf13/cobra/.golangci.yml
new file mode 100644
index 000000000..0d6e61793
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/.golangci.yml
@@ -0,0 +1,48 @@
+run:
+  deadline: 5m
+
+linters:
+  disable-all: true
+  enable:
+    #- bodyclose
+    - deadcode
+    #- depguard
+    #- dogsled
+    #- dupl
+    - errcheck
+    #- exhaustive
+    #- funlen
+    - gas
+    #- gochecknoinits
+    - goconst
+    #- gocritic
+    #- gocyclo
+    #- gofmt
+    - goimports
+    - golint
+    #- gomnd
+    #- goprintffuncname
+    #- gosec
+    #- gosimple
+    - govet
+    - ineffassign
+    - interfacer
+    #- lll
+    - maligned
+    - megacheck
+    #- misspell
+    #- nakedret
+    #- noctx
+    #- nolintlint
+    #- rowserrcheck
+    #- scopelint
+    #- staticcheck
+    - structcheck
+    #- stylecheck
+    #- typecheck
+    - unconvert
+    #- unparam
+    #- unused
+    - varcheck
+    #- whitespace
+  fast: false
diff --git a/vendor/github.com/spf13/cobra/.travis.yml b/vendor/github.com/spf13/cobra/.travis.yml
deleted file mode 100644
index a9bd4e547..000000000
--- a/vendor/github.com/spf13/cobra/.travis.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-language: go
-
-stages:
-  - diff
-  - test
-  - build
-
-go:
-  - 1.12.x
-  - 1.13.x
-  - tip
-
-before_install:
-  - go get -u github.com/kyoh86/richgo
-  - go get -u github.com/mitchellh/gox
-
-matrix:
-  allow_failures:
-    - go: tip
-  include:
-    - stage: diff
-      go: 1.13.x
-      script: make fmt
-    - stage: build
-      go: 1.13.x
-      script: make cobra_generator
-
-script: 
- - make test
diff --git a/vendor/github.com/spf13/cobra/CHANGELOG.md b/vendor/github.com/spf13/cobra/CHANGELOG.md
index 742d6d6e2..8a23b4f85 100644
--- a/vendor/github.com/spf13/cobra/CHANGELOG.md
+++ b/vendor/github.com/spf13/cobra/CHANGELOG.md
@@ -1,11 +1,40 @@
 # Cobra Changelog
 
-## Pending
-* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` @jpmcb
+## v1.1.3
+
+* **Fix:** release-branch.cobra1.1 only: Revert "Deprecate Go < 1.14" to maintain backward compatibility
+
+## v1.1.2
+
+### Notable Changes
+
+* Bump license year to 2021 in golden files (#1309) @Bowbaq
+* Enhance PowerShell completion with custom comp (#1208) @Luap99
+* Update gopkg.in/yaml.v2 to v2.4.0: The previous breaking change in yaml.v2 v2.3.0 has been reverted, see go-yaml/yaml#670
+* Documentation readability improvements (#1228 etc.) @zaataylor etc.
+* Use golangci-lint: Repair warnings and errors resulting from linting (#1044) @umarcor
+
+## v1.1.1
+
+* **Fix:** yaml.v2 2.3.0 contained a unintended breaking change. This release reverts to yaml.v2 v2.2.8 which has recent critical CVE fixes, but does not have the breaking changes. See https://github.com/spf13/cobra/pull/1259 for context.
+* **Fix:** correct internal formatting for go-md2man v2 (which caused man page generation to be broken). See https://github.com/spf13/cobra/issues/1049 for context.
+
+## v1.1.0
+
+### Notable Changes
+
+* Extend Go completions and revamp zsh comp (#1070)
+* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` (#1104) @jpmcb
+* Add completion for help command (#1136)
+* Complete subcommands when TraverseChildren is set (#1171)
+* Fix stderr printing functions (#894)
+* fix: fish output redirection (#1247)
 
 ## v1.0.0
+
 Announcing v1.0.0 of Cobra. 🎉
-**Notable Changes**
+
+### Notable Changes
 * Fish completion (including support for Go custom completion) @marckhouzam
 * API (urgent): Rename BashCompDirectives to ShellCompDirectives @marckhouzam
 * Remove/replace SetOutput on Command - deprecated @jpmcb
diff --git a/vendor/github.com/spf13/cobra/CONDUCT.md b/vendor/github.com/spf13/cobra/CONDUCT.md
new file mode 100644
index 000000000..9d16f88fd
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/CONDUCT.md
@@ -0,0 +1,37 @@
+## Cobra User Contract
+
+### Versioning
+Cobra will follow a steady release cadence. Non breaking changes will be released as minor versions quarterly. Patch bug releases are at the discretion of the maintainers. Users can expect security patch fixes to be released within relatively short order of a CVE becoming known. For more information on security patch fixes see the CVE section below. Releases will follow [Semantic Versioning](https://semver.org/). Users tracking the Master branch should expect unpredictable breaking changes as the project continues to move forward. For stability, it is highly recommended to use a release.
+
+### Backward Compatibility
+We will maintain two major releases in a moving window. The N-1 release will only receive bug fixes and security updates and will be dropped once N+1 is released.
+
+### Deprecation
+Deprecation of Go versions or dependent packages will only occur in major releases. To reduce the change of this taking users by surprise, any large deprecation will be preceded by an announcement in the [#cobra slack channel](https://gophers.slack.com/archives/CD3LP1199) and an Issue on Github.
+
+### CVE
+Maintainers will make every effort to release security patches in the case of a medium to high severity CVE directly impacting the library. The speed in which these patches reach a release is up to the discretion of the maintainers. A low severity CVE may be a lower priority than a high severity one.
+
+### Communication
+Cobra maintainers will use GitHub issues and the [#cobra slack channel](https://gophers.slack.com/archives/CD3LP1199) as the primary means of communication with the community. This is to foster open communication with all users and contributors.
+
+### Breaking Changes
+Breaking changes are generally allowed in the master branch, as this is the branch used to develop the next release of Cobra.
+
+There may be times, however, when master is closed for breaking changes. This is likely to happen as we near the release of a new version.
+
+Breaking changes are not allowed in release branches, as these represent minor versions that have already been released. These version have consumers who expect the APIs, behaviors, etc, to remain stable during the lifetime of the patch stream for the minor release.
+
+Examples of breaking changes include:
+- Removing or renaming exported constant, variable, type, or function.
+- Updating the version of critical libraries such as `spf13/pflag`, `spf13/viper` etc...
+  - Some version updates may be acceptable for picking up bug fixes, but maintainers must exercise caution when reviewing.
+
+There may, at times, need to be exceptions where breaking changes are allowed in release branches. These are at the discretion of the project's maintainers, and must be carefully considered before merging.
+
+### CI Testing
+Maintainers will ensure the Cobra test suite utilizes the current supported versions of Golang.
+
+### Disclaimer
+Changes to this document and the contents therein are at the discretion of the maintainers.
+None of the contents of this document are legally binding in any way to the maintainers or the users.
diff --git a/vendor/github.com/spf13/cobra/Makefile b/vendor/github.com/spf13/cobra/Makefile
index e9740d1e1..472c73bf1 100644
--- a/vendor/github.com/spf13/cobra/Makefile
+++ b/vendor/github.com/spf13/cobra/Makefile
@@ -1,21 +1,29 @@
 BIN="./bin"
 SRC=$(shell find . -name "*.go")
 
+ifeq (, $(shell which golangci-lint))
+$(warning "could not find golangci-lint in $(PATH), run: curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh")
+endif
+
 ifeq (, $(shell which richgo))
 $(warning "could not find richgo in $(PATH), run: go get github.com/kyoh86/richgo")
 endif
 
-.PHONY: fmt vet test cobra_generator install_deps clean
+.PHONY: fmt lint test cobra_generator install_deps clean
 
 default: all
 
-all: fmt vet test cobra_generator	
+all: fmt test cobra_generator
 
 fmt:
 	$(info ******************** checking formatting ********************)
 	@test -z $(shell gofmt -l $(SRC)) || (gofmt -d $(SRC); exit 1)
 
-test: install_deps vet
+lint:
+	$(info ******************** running lint tools ********************)
+	golangci-lint run -v
+
+test: install_deps lint
 	$(info ******************** running tests ********************)
 	richgo test -v ./...
 
@@ -28,9 +36,5 @@ install_deps:
 	$(info ******************** downloading dependencies ********************)
 	go get -v ./...
 
-vet:
-	$(info ******************** vetting ********************)
-	go vet ./...
-
 clean:
 	rm -rf $(BIN)
diff --git a/vendor/github.com/spf13/cobra/README.md b/vendor/github.com/spf13/cobra/README.md
index 3cf1b25d8..074e3979f 100644
--- a/vendor/github.com/spf13/cobra/README.md
+++ b/vendor/github.com/spf13/cobra/README.md
@@ -6,7 +6,7 @@ Cobra is used in many Go projects such as [Kubernetes](http://kubernetes.io/),
 [Hugo](https://gohugo.io), and [Github CLI](https://github.com/cli/cli) to
 name a few. [This list](./projects_using_cobra.md) contains a more extensive list of projects using Cobra.
 
-[![Build Status](https://travis-ci.org/spf13/cobra.svg "Travis CI status")](https://travis-ci.org/spf13/cobra)
+[![](https://img.shields.io/github/workflow/status/spf13/cobra/Test?longCache=tru&label=Test&logo=github%20actions&logoColor=fff)](https://github.com/spf13/cobra/actions?query=workflow%3ATest)
 [![GoDoc](https://godoc.org/github.com/spf13/cobra?status.svg)](https://godoc.org/github.com/spf13/cobra)
 [![Go Report Card](https://goreportcard.com/badge/github.com/spf13/cobra)](https://goreportcard.com/report/github.com/spf13/cobra)
 [![Slack](https://img.shields.io/badge/Slack-cobra-brightgreen)](https://gophers.slack.com/archives/CD3LP1199)
@@ -18,18 +18,18 @@ name a few. [This list](./projects_using_cobra.md) contains a more extensive lis
   * [Commands](#commands)
   * [Flags](#flags)
 - [Installing](#installing)
-- [Getting Started](#getting-started)
-  * [Using the Cobra Generator](#using-the-cobra-generator)
-  * [Using the Cobra Library](#using-the-cobra-library)
-  * [Working with Flags](#working-with-flags)
-  * [Positional and Custom Arguments](#positional-and-custom-arguments)
-  * [Example](#example)
-  * [Help Command](#help-command)
-  * [Usage Message](#usage-message)
-  * [PreRun and PostRun Hooks](#prerun-and-postrun-hooks)
-  * [Suggestions when "unknown command" happens](#suggestions-when-unknown-command-happens)
-  * [Generating documentation for your command](#generating-documentation-for-your-command)
-  * [Generating shell completions](#generating-shell-completions)
+- [Usage](#usage)
+  * [Using the Cobra Generator](user_guide.md#using-the-cobra-generator)
+  * [Using the Cobra Library](user_guide.md#using-the-cobra-library)
+  * [Working with Flags](user_guide.md#working-with-flags)
+  * [Positional and Custom Arguments](user_guide.md#positional-and-custom-arguments)
+  * [Example](user_guide.md#example)
+  * [Help Command](user_guide.md#help-command)
+  * [Usage Message](user_guide.md#usage-message)
+  * [PreRun and PostRun Hooks](user_guide.md#prerun-and-postrun-hooks)
+  * [Suggestions when "unknown command" happens](user_guide.md#suggestions-when-unknown-command-happens)
+  * [Generating documentation for your command](user_guide.md#generating-documentation-for-your-command)
+  * [Generating shell completions](user_guide.md#generating-shell-completions)
 - [Contributing](CONTRIBUTING.md)
 - [License](#license)
 
@@ -62,8 +62,8 @@ Cobra is built on a structure of commands, arguments & flags.
 
 **Commands** represent actions, **Args** are things and **Flags** are modifiers for those actions.
 
-The best applications will read like sentences when used. Users will know how
-to use the application because they will natively understand how to use it.
+The best applications read like sentences when used, and as a result, users
+intuitively know how to interact with them.
 
 The pattern to follow is
 `APPNAME VERB NOUN --ADJECTIVE.`
@@ -116,650 +116,9 @@ Next, include Cobra in your application:
 import "github.com/spf13/cobra"
 ```
 
-# Getting Started
+# Usage
 
-While you are welcome to provide your own organization, typically a Cobra-based
-application will follow the following organizational structure:
-
-```
-  ▾ appName/
-    ▾ cmd/
-        add.go
-        your.go
-        commands.go
-        here.go
-      main.go
-```
-
-In a Cobra app, typically the main.go file is very bare. It serves one purpose: initializing Cobra.
-
-```go
-package main
-
-import (
-  "{pathToYourApp}/cmd"
-)
-
-func main() {
-  cmd.Execute()
-}
-```
-
-## Using the Cobra Generator
-
-Cobra provides its own program that will create your application and add any
-commands you want. It's the easiest way to incorporate Cobra into your application.
-
-[Here](https://github.com/spf13/cobra/blob/master/cobra/README.md) you can find more information about it.
-
-## Using the Cobra Library
-
-To manually implement Cobra you need to create a bare main.go file and a rootCmd file.
-You will optionally provide additional commands as you see fit.
-
-### Create rootCmd
-
-Cobra doesn't require any special constructors. Simply create your commands.
-
-Ideally you place this in app/cmd/root.go:
-
-```go
-var rootCmd = &cobra.Command{
-  Use:   "hugo",
-  Short: "Hugo is a very fast static site generator",
-  Long: `A Fast and Flexible Static Site Generator built with
-                love by spf13 and friends in Go.
-                Complete documentation is available at http://hugo.spf13.com`,
-  Run: func(cmd *cobra.Command, args []string) {
-    // Do Stuff Here
-  },
-}
-
-func Execute() {
-  if err := rootCmd.Execute(); err != nil {
-    fmt.Fprintln(os.Stderr, err)
-    os.Exit(1)
-  }
-}
-```
-
-You will additionally define flags and handle configuration in your init() function.
-
-For example cmd/root.go:
-
-```go
-package cmd
-
-import (
-	"fmt"
-	"os"
-
-	homedir "github.com/mitchellh/go-homedir"
-	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
-)
-
-var (
-	// Used for flags.
-	cfgFile     string
-	userLicense string
-
-	rootCmd = &cobra.Command{
-		Use:   "cobra",
-		Short: "A generator for Cobra based Applications",
-		Long: `Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
-	}
-)
-
-// Execute executes the root command.
-func Execute() error {
-	return rootCmd.Execute()
-}
-
-func init() {
-	cobra.OnInitialize(initConfig)
-
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)")
-	rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution")
-	rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "name of license for the project")
-	rootCmd.PersistentFlags().Bool("viper", true, "use Viper for configuration")
-	viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
-	viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper"))
-	viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
-	viper.SetDefault("license", "apache")
-
-	rootCmd.AddCommand(addCmd)
-	rootCmd.AddCommand(initCmd)
-}
-
-func er(msg interface{}) {
-	fmt.Println("Error:", msg)
-	os.Exit(1)
-}
-
-func initConfig() {
-	if cfgFile != "" {
-		// Use config file from the flag.
-		viper.SetConfigFile(cfgFile)
-	} else {
-		// Find home directory.
-		home, err := homedir.Dir()
-		if err != nil {
-			er(err)
-		}
-
-		// Search config in home directory with name ".cobra" (without extension).
-		viper.AddConfigPath(home)
-		viper.SetConfigName(".cobra")
-	}
-
-	viper.AutomaticEnv()
-
-	if err := viper.ReadInConfig(); err == nil {
-		fmt.Println("Using config file:", viper.ConfigFileUsed())
-	}
-}
-```
-
-### Create your main.go
-
-With the root command you need to have your main function execute it.
-Execute should be run on the root for clarity, though it can be called on any command.
-
-In a Cobra app, typically the main.go file is very bare. It serves, one purpose, to initialize Cobra.
-
-```go
-package main
-
-import (
-  "{pathToYourApp}/cmd"
-)
-
-func main() {
-  cmd.Execute()
-}
-```
-
-### Create additional commands
-
-Additional commands can be defined and typically are each given their own file
-inside of the cmd/ directory.
-
-If you wanted to create a version command you would create cmd/version.go and
-populate it with the following:
-
-```go
-package cmd
-
-import (
-  "fmt"
-
-  "github.com/spf13/cobra"
-)
-
-func init() {
-  rootCmd.AddCommand(versionCmd)
-}
-
-var versionCmd = &cobra.Command{
-  Use:   "version",
-  Short: "Print the version number of Hugo",
-  Long:  `All software has versions. This is Hugo's`,
-  Run: func(cmd *cobra.Command, args []string) {
-    fmt.Println("Hugo Static Site Generator v0.9 -- HEAD")
-  },
-}
-```
-
-### Returning and handling errors
-
-If you wish to return an error to the caller of a command, `RunE` can be used.
-
-```go
-package cmd
-
-import (
-  "fmt"
-
-  "github.com/spf13/cobra"
-)
-
-func init() {
-  rootCmd.AddCommand(tryCmd)
-}
-
-var tryCmd = &cobra.Command{
-  Use:   "try",
-  Short: "Try and possibly fail at something",
-  RunE: func(cmd *cobra.Command, args []string) error {
-    if err := someFunc(); err != nil {
-	return err
-    }
-    return nil
-  },
-}
-```
-
-The error can then be caught at the execute function call.
-
-## Working with Flags
-
-Flags provide modifiers to control how the action command operates.
-
-### Assign flags to a command
-
-Since the flags are defined and used in different locations, we need to
-define a variable outside with the correct scope to assign the flag to
-work with.
-
-```go
-var Verbose bool
-var Source string
-```
-
-There are two different approaches to assign a flag.
-
-### Persistent Flags
-
-A flag can be 'persistent' meaning that this flag will be available to the
-command it's assigned to as well as every command under that command. For
-global flags, assign a flag as a persistent flag on the root.
-
-```go
-rootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose output")
-```
-
-### Local Flags
-
-A flag can also be assigned locally which will only apply to that specific command.
-
-```go
-localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
-```
-
-### Local Flag on Parent Commands
-
-By default Cobra only parses local flags on the target command, any local flags on
-parent commands are ignored. By enabling `Command.TraverseChildren` Cobra will
-parse local flags on each command before executing the target command.
-
-```go
-command := cobra.Command{
-  Use: "print [OPTIONS] [COMMANDS]",
-  TraverseChildren: true,
-}
-```
-
-### Bind Flags with Config
-
-You can also bind your flags with [viper](https://github.com/spf13/viper):
-```go
-var author string
-
-func init() {
-  rootCmd.PersistentFlags().StringVar(&author, "author", "YOUR NAME", "Author name for copyright attribution")
-  viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
-}
-```
-
-In this example the persistent flag `author` is bound with `viper`.
-**Note**, that the variable `author` will not be set to the value from config,
-when the `--author` flag is not provided by user.
-
-More in [viper documentation](https://github.com/spf13/viper#working-with-flags).
-
-### Required flags
-
-Flags are optional by default. If instead you wish your command to report an error
-when a flag has not been set, mark it as required:
-```go
-rootCmd.Flags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
-rootCmd.MarkFlagRequired("region")
-```
-
-Or, for persistent flags:
-```go
-rootCmd.PersistentFlags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
-rootCmd.MarkPersistentFlagRequired("region")
-```
-
-## Positional and Custom Arguments
-
-Validation of positional arguments can be specified using the `Args` field
-of `Command`.
-
-The following validators are built in:
-
-- `NoArgs` - the command will report an error if there are any positional args.
-- `ArbitraryArgs` - the command will accept any args.
-- `OnlyValidArgs` - the command will report an error if there are any positional args that are not in the `ValidArgs` field of `Command`.
-- `MinimumNArgs(int)` - the command will report an error if there are not at least N positional args.
-- `MaximumNArgs(int)` - the command will report an error if there are more than N positional args.
-- `ExactArgs(int)` - the command will report an error if there are not exactly N positional args.
-- `ExactValidArgs(int)` - the command will report an error if there are not exactly N positional args OR if there are any positional args that are not in the `ValidArgs` field of `Command`
-- `RangeArgs(min, max)` - the command will report an error if the number of args is not between the minimum and maximum number of expected args.
-
-An example of setting the custom validator:
-
-```go
-var cmd = &cobra.Command{
-  Short: "hello",
-  Args: func(cmd *cobra.Command, args []string) error {
-    if len(args) < 1 {
-      return errors.New("requires a color argument")
-    }
-    if myapp.IsValidColor(args[0]) {
-      return nil
-    }
-    return fmt.Errorf("invalid color specified: %s", args[0])
-  },
-  Run: func(cmd *cobra.Command, args []string) {
-    fmt.Println("Hello, World!")
-  },
-}
-```
-
-## Example
-
-In the example below, we have defined three commands. Two are at the top level
-and one (cmdTimes) is a child of one of the top commands. In this case the root
-is not executable meaning that a subcommand is required. This is accomplished
-by not providing a 'Run' for the 'rootCmd'.
-
-We have only defined one flag for a single command.
-
-More documentation about flags is available at https://github.com/spf13/pflag
-
-```go
-package main
-
-import (
-  "fmt"
-  "strings"
-
-  "github.com/spf13/cobra"
-)
-
-func main() {
-  var echoTimes int
-
-  var cmdPrint = &cobra.Command{
-    Use:   "print [string to print]",
-    Short: "Print anything to the screen",
-    Long: `print is for printing anything back to the screen.
-For many years people have printed back to the screen.`,
-    Args: cobra.MinimumNArgs(1),
-    Run: func(cmd *cobra.Command, args []string) {
-      fmt.Println("Print: " + strings.Join(args, " "))
-    },
-  }
-
-  var cmdEcho = &cobra.Command{
-    Use:   "echo [string to echo]",
-    Short: "Echo anything to the screen",
-    Long: `echo is for echoing anything back.
-Echo works a lot like print, except it has a child command.`,
-    Args: cobra.MinimumNArgs(1),
-    Run: func(cmd *cobra.Command, args []string) {
-      fmt.Println("Echo: " + strings.Join(args, " "))
-    },
-  }
-
-  var cmdTimes = &cobra.Command{
-    Use:   "times [string to echo]",
-    Short: "Echo anything to the screen more times",
-    Long: `echo things multiple times back to the user by providing
-a count and a string.`,
-    Args: cobra.MinimumNArgs(1),
-    Run: func(cmd *cobra.Command, args []string) {
-      for i := 0; i < echoTimes; i++ {
-        fmt.Println("Echo: " + strings.Join(args, " "))
-      }
-    },
-  }
-
-  cmdTimes.Flags().IntVarP(&echoTimes, "times", "t", 1, "times to echo the input")
-
-  var rootCmd = &cobra.Command{Use: "app"}
-  rootCmd.AddCommand(cmdPrint, cmdEcho)
-  cmdEcho.AddCommand(cmdTimes)
-  rootCmd.Execute()
-}
-```
-
-For a more complete example of a larger application, please checkout [Hugo](http://gohugo.io/).
-
-## Help Command
-
-Cobra automatically adds a help command to your application when you have subcommands.
-This will be called when a user runs 'app help'. Additionally, help will also
-support all other commands as input. Say, for instance, you have a command called
-'create' without any additional configuration; Cobra will work when 'app help
-create' is called.  Every command will automatically have the '--help' flag added.
-
-### Example
-
-The following output is automatically generated by Cobra. Nothing beyond the
-command and flag definitions are needed.
-
-    $ cobra help
-
-    Cobra is a CLI library for Go that empowers applications.
-    This application is a tool to generate the needed files
-    to quickly create a Cobra application.
-
-    Usage:
-      cobra [command]
-
-    Available Commands:
-      add         Add a command to a Cobra Application
-      help        Help about any command
-      init        Initialize a Cobra Application
-
-    Flags:
-      -a, --author string    author name for copyright attribution (default "YOUR NAME")
-          --config string    config file (default is $HOME/.cobra.yaml)
-      -h, --help             help for cobra
-      -l, --license string   name of license for the project
-          --viper            use Viper for configuration (default true)
-
-    Use "cobra [command] --help" for more information about a command.
-
-
-Help is just a command like any other. There is no special logic or behavior
-around it. In fact, you can provide your own if you want.
-
-### Defining your own help
-
-You can provide your own Help command or your own template for the default command to use
-with following functions:
-
-```go
-cmd.SetHelpCommand(cmd *Command)
-cmd.SetHelpFunc(f func(*Command, []string))
-cmd.SetHelpTemplate(s string)
-```
-
-The latter two will also apply to any children commands.
-
-## Usage Message
-
-When the user provides an invalid flag or invalid command, Cobra responds by
-showing the user the 'usage'.
-
-### Example
-You may recognize this from the help above. That's because the default help
-embeds the usage as part of its output.
-
-    $ cobra --invalid
-    Error: unknown flag: --invalid
-    Usage:
-      cobra [command]
-
-    Available Commands:
-      add         Add a command to a Cobra Application
-      help        Help about any command
-      init        Initialize a Cobra Application
-
-    Flags:
-      -a, --author string    author name for copyright attribution (default "YOUR NAME")
-          --config string    config file (default is $HOME/.cobra.yaml)
-      -h, --help             help for cobra
-      -l, --license string   name of license for the project
-          --viper            use Viper for configuration (default true)
-
-    Use "cobra [command] --help" for more information about a command.
-
-### Defining your own usage
-You can provide your own usage function or template for Cobra to use.
-Like help, the function and template are overridable through public methods:
-
-```go
-cmd.SetUsageFunc(f func(*Command) error)
-cmd.SetUsageTemplate(s string)
-```
-
-## Version Flag
-
-Cobra adds a top-level '--version' flag if the Version field is set on the root command.
-Running an application with the '--version' flag will print the version to stdout using
-the version template. The template can be customized using the
-`cmd.SetVersionTemplate(s string)` function.
-
-## PreRun and PostRun Hooks
-
-It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`.  The `Persistent*Run` functions will be inherited by children if they do not declare their own.  These functions are run in the following order:
-
-- `PersistentPreRun`
-- `PreRun`
-- `Run`
-- `PostRun`
-- `PersistentPostRun`
-
-An example of two commands which use all of these features is below.  When the subcommand is executed, it will run the root command's `PersistentPreRun` but not the root command's `PersistentPostRun`:
-
-```go
-package main
-
-import (
-  "fmt"
-
-  "github.com/spf13/cobra"
-)
-
-func main() {
-
-  var rootCmd = &cobra.Command{
-    Use:   "root [sub]",
-    Short: "My root command",
-    PersistentPreRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside rootCmd PersistentPreRun with args: %v\n", args)
-    },
-    PreRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside rootCmd PreRun with args: %v\n", args)
-    },
-    Run: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside rootCmd Run with args: %v\n", args)
-    },
-    PostRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside rootCmd PostRun with args: %v\n", args)
-    },
-    PersistentPostRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside rootCmd PersistentPostRun with args: %v\n", args)
-    },
-  }
-
-  var subCmd = &cobra.Command{
-    Use:   "sub [no options!]",
-    Short: "My subcommand",
-    PreRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside subCmd PreRun with args: %v\n", args)
-    },
-    Run: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside subCmd Run with args: %v\n", args)
-    },
-    PostRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside subCmd PostRun with args: %v\n", args)
-    },
-    PersistentPostRun: func(cmd *cobra.Command, args []string) {
-      fmt.Printf("Inside subCmd PersistentPostRun with args: %v\n", args)
-    },
-  }
-
-  rootCmd.AddCommand(subCmd)
-
-  rootCmd.SetArgs([]string{""})
-  rootCmd.Execute()
-  fmt.Println()
-  rootCmd.SetArgs([]string{"sub", "arg1", "arg2"})
-  rootCmd.Execute()
-}
-```
-
-Output:
-```
-Inside rootCmd PersistentPreRun with args: []
-Inside rootCmd PreRun with args: []
-Inside rootCmd Run with args: []
-Inside rootCmd PostRun with args: []
-Inside rootCmd PersistentPostRun with args: []
-
-Inside rootCmd PersistentPreRun with args: [arg1 arg2]
-Inside subCmd PreRun with args: [arg1 arg2]
-Inside subCmd Run with args: [arg1 arg2]
-Inside subCmd PostRun with args: [arg1 arg2]
-Inside subCmd PersistentPostRun with args: [arg1 arg2]
-```
-
-## Suggestions when "unknown command" happens
-
-Cobra will print automatic suggestions when "unknown command" errors happen. This allows Cobra to behave similarly to the `git` command when a typo happens. For example:
-
-```
-$ hugo srever
-Error: unknown command "srever" for "hugo"
-
-Did you mean this?
-        server
-
-Run 'hugo --help' for usage.
-```
-
-Suggestions are automatic based on every subcommand registered and use an implementation of [Levenshtein distance](http://en.wikipedia.org/wiki/Levenshtein_distance). Every registered command that matches a minimum distance of 2 (ignoring case) will be displayed as a suggestion.
-
-If you need to disable suggestions or tweak the string distance in your command, use:
-
-```go
-command.DisableSuggestions = true
-```
-
-or
-
-```go
-command.SuggestionsMinimumDistance = 1
-```
-
-You can also explicitly set names for which a given command will be suggested using the `SuggestFor` attribute. This allows suggestions for strings that are not close in terms of string distance, but makes sense in your set of commands and for some which you don't want aliases. Example:
-
-```
-$ kubectl remove
-Error: unknown command "remove" for "kubectl"
-
-Did you mean this?
-        delete
-
-Run 'kubectl help' for usage.
-```
-
-## Generating documentation for your command
-
-Cobra can generate documentation based on subcommands, flags, etc. Read more about it in the [docs generation documentation](doc/README.md).
-
-## Generating shell completions
-
-Cobra can generate a shell-completion file for the following shells: Bash, Zsh, Fish, Powershell. If you add more information to your commands, these completions can be amazingly powerful and flexible.  Read more about it in [Shell Completions](shell_completions.md).
+See [User Guide](user_guide.md).
 
 # License
 
diff --git a/vendor/github.com/spf13/cobra/bash_completions.go b/vendor/github.com/spf13/cobra/bash_completions.go
index 846636d75..733f4d121 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.go
+++ b/vendor/github.com/spf13/cobra/bash_completions.go
@@ -19,9 +19,9 @@ const (
 	BashCompSubdirsInDir    = "cobra_annotation_bash_completion_subdirs_in_dir"
 )
 
-func writePreamble(buf *bytes.Buffer, name string) {
-	buf.WriteString(fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name))
-	buf.WriteString(fmt.Sprintf(`
+func writePreamble(buf io.StringWriter, name string) {
+	WriteStringAndCheck(buf, fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name))
+	WriteStringAndCheck(buf, fmt.Sprintf(`
 __%[1]s_debug()
 {
     if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
@@ -380,11 +380,11 @@ __%[1]s_handle_word()
 		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
 }
 
-func writePostscript(buf *bytes.Buffer, name string) {
+func writePostscript(buf io.StringWriter, name string) {
 	name = strings.Replace(name, ":", "__", -1)
-	buf.WriteString(fmt.Sprintf("__start_%s()\n", name))
-	buf.WriteString(fmt.Sprintf(`{
-    local cur prev words cword
+	WriteStringAndCheck(buf, fmt.Sprintf("__start_%s()\n", name))
+	WriteStringAndCheck(buf, fmt.Sprintf(`{
+    local cur prev words cword split
     declare -A flaghash 2>/dev/null || :
     declare -A aliashash 2>/dev/null || :
     if declare -F _init_completion >/dev/null 2>&1; then
@@ -400,43 +400,45 @@ func writePostscript(buf *bytes.Buffer, name string) {
     local flags_with_completion=()
     local flags_completion=()
     local commands=("%[1]s")
+    local command_aliases=()
     local must_have_one_flag=()
     local must_have_one_noun=()
     local has_completion_function
     local last_command
     local nouns=()
+    local noun_aliases=()
 
     __%[1]s_handle_word
 }
 
 `, name))
-	buf.WriteString(fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then
+	WriteStringAndCheck(buf, fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then
     complete -o default -F __start_%s %s
 else
     complete -o default -o nospace -F __start_%s %s
 fi
 
 `, name, name, name, name))
-	buf.WriteString("# ex: ts=4 sw=4 et filetype=sh\n")
+	WriteStringAndCheck(buf, "# ex: ts=4 sw=4 et filetype=sh\n")
 }
 
-func writeCommands(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    commands=()\n")
+func writeCommands(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    commands=()\n")
 	for _, c := range cmd.Commands() {
 		if !c.IsAvailableCommand() && c != cmd.helpCommand {
 			continue
 		}
-		buf.WriteString(fmt.Sprintf("    commands+=(%q)\n", c.Name()))
+		WriteStringAndCheck(buf, fmt.Sprintf("    commands+=(%q)\n", c.Name()))
 		writeCmdAliases(buf, c)
 	}
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, "\n")
 }
 
-func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]string, cmd *Command) {
+func writeFlagHandler(buf io.StringWriter, name string, annotations map[string][]string, cmd *Command) {
 	for key, value := range annotations {
 		switch key {
 		case BashCompFilenameExt:
-			buf.WriteString(fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
 
 			var ext string
 			if len(value) > 0 {
@@ -444,17 +446,18 @@ func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]s
 			} else {
 				ext = "_filedir"
 			}
-			buf.WriteString(fmt.Sprintf("    flags_completion+=(%q)\n", ext))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_completion+=(%q)\n", ext))
 		case BashCompCustom:
-			buf.WriteString(fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+
 			if len(value) > 0 {
 				handlers := strings.Join(value, "; ")
-				buf.WriteString(fmt.Sprintf("    flags_completion+=(%q)\n", handlers))
+				WriteStringAndCheck(buf, fmt.Sprintf("    flags_completion+=(%q)\n", handlers))
 			} else {
-				buf.WriteString("    flags_completion+=(:)\n")
+				WriteStringAndCheck(buf, "    flags_completion+=(:)\n")
 			}
 		case BashCompSubdirsInDir:
-			buf.WriteString(fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
 
 			var ext string
 			if len(value) == 1 {
@@ -462,51 +465,55 @@ func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]s
 			} else {
 				ext = "_filedir -d"
 			}
-			buf.WriteString(fmt.Sprintf("    flags_completion+=(%q)\n", ext))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_completion+=(%q)\n", ext))
 		}
 	}
 }
 
-func writeShortFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) {
+const cbn = "\")\n"
+
+func writeShortFlag(buf io.StringWriter, flag *pflag.Flag, cmd *Command) {
 	name := flag.Shorthand
 	format := "    "
 	if len(flag.NoOptDefVal) == 0 {
 		format += "two_word_"
 	}
-	format += "flags+=(\"-%s\")\n"
-	buf.WriteString(fmt.Sprintf(format, name))
+	format += "flags+=(\"-%s" + cbn
+	WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	writeFlagHandler(buf, "-"+name, flag.Annotations, cmd)
 }
 
-func writeFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) {
+func writeFlag(buf io.StringWriter, flag *pflag.Flag, cmd *Command) {
 	name := flag.Name
 	format := "    flags+=(\"--%s"
 	if len(flag.NoOptDefVal) == 0 {
 		format += "="
 	}
-	format += "\")\n"
-	buf.WriteString(fmt.Sprintf(format, name))
+	format += cbn
+	WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	if len(flag.NoOptDefVal) == 0 {
-		format = "    two_word_flags+=(\"--%s\")\n"
-		buf.WriteString(fmt.Sprintf(format, name))
+		format = "    two_word_flags+=(\"--%s" + cbn
+		WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	}
 	writeFlagHandler(buf, "--"+name, flag.Annotations, cmd)
 }
 
-func writeLocalNonPersistentFlag(buf *bytes.Buffer, flag *pflag.Flag) {
+func writeLocalNonPersistentFlag(buf io.StringWriter, flag *pflag.Flag) {
 	name := flag.Name
-	format := "    local_nonpersistent_flags+=(\"--%[1]s\")\n"
+	format := "    local_nonpersistent_flags+=(\"--%[1]s" + cbn
 	if len(flag.NoOptDefVal) == 0 {
-		format += "    local_nonpersistent_flags+=(\"--%[1]s=\")\n"
+		format += "    local_nonpersistent_flags+=(\"--%[1]s=" + cbn
 	}
-	buf.WriteString(fmt.Sprintf(format, name))
+	WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	if len(flag.Shorthand) > 0 {
-		buf.WriteString(fmt.Sprintf("    local_nonpersistent_flags+=(\"-%s\")\n", flag.Shorthand))
+		WriteStringAndCheck(buf, fmt.Sprintf("    local_nonpersistent_flags+=(\"-%s\")\n", flag.Shorthand))
 	}
 }
 
 // Setup annotations for go completions for registered flags
 func prepareCustomAnnotationsForFlags(cmd *Command) {
+	flagCompletionMutex.RLock()
+	defer flagCompletionMutex.RUnlock()
 	for flag := range flagCompletionFunctions {
 		// Make sure the completion script calls the __*_go_custom_completion function for
 		// every registered flag.  We need to do this here (and not when the flag was registered
@@ -519,9 +526,9 @@ func prepareCustomAnnotationsForFlags(cmd *Command) {
 	}
 }
 
-func writeFlags(buf *bytes.Buffer, cmd *Command) {
+func writeFlags(buf io.StringWriter, cmd *Command) {
 	prepareCustomAnnotationsForFlags(cmd)
-	buf.WriteString(`    flags=()
+	WriteStringAndCheck(buf, `    flags=()
     two_word_flags=()
     local_nonpersistent_flags=()
     flags_with_completion=()
@@ -553,11 +560,11 @@ func writeFlags(buf *bytes.Buffer, cmd *Command) {
 		}
 	})
 
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, "\n")
 }
 
-func writeRequiredFlag(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    must_have_one_flag=()\n")
+func writeRequiredFlag(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    must_have_one_flag=()\n")
 	flags := cmd.NonInheritedFlags()
 	flags.VisitAll(func(flag *pflag.Flag) {
 		if nonCompletableFlag(flag) {
@@ -570,55 +577,55 @@ func writeRequiredFlag(buf *bytes.Buffer, cmd *Command) {
 				if flag.Value.Type() != "bool" {
 					format += "="
 				}
-				format += "\")\n"
-				buf.WriteString(fmt.Sprintf(format, flag.Name))
+				format += cbn
+				WriteStringAndCheck(buf, fmt.Sprintf(format, flag.Name))
 
 				if len(flag.Shorthand) > 0 {
-					buf.WriteString(fmt.Sprintf("    must_have_one_flag+=(\"-%s\")\n", flag.Shorthand))
+					WriteStringAndCheck(buf, fmt.Sprintf("    must_have_one_flag+=(\"-%s"+cbn, flag.Shorthand))
 				}
 			}
 		}
 	})
 }
 
-func writeRequiredNouns(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    must_have_one_noun=()\n")
-	sort.Sort(sort.StringSlice(cmd.ValidArgs))
+func writeRequiredNouns(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    must_have_one_noun=()\n")
+	sort.Strings(cmd.ValidArgs)
 	for _, value := range cmd.ValidArgs {
 		// Remove any description that may be included following a tab character.
 		// Descriptions are not supported by bash completion.
 		value = strings.Split(value, "\t")[0]
-		buf.WriteString(fmt.Sprintf("    must_have_one_noun+=(%q)\n", value))
+		WriteStringAndCheck(buf, fmt.Sprintf("    must_have_one_noun+=(%q)\n", value))
 	}
 	if cmd.ValidArgsFunction != nil {
-		buf.WriteString("    has_completion_function=1\n")
+		WriteStringAndCheck(buf, "    has_completion_function=1\n")
 	}
 }
 
-func writeCmdAliases(buf *bytes.Buffer, cmd *Command) {
+func writeCmdAliases(buf io.StringWriter, cmd *Command) {
 	if len(cmd.Aliases) == 0 {
 		return
 	}
 
-	sort.Sort(sort.StringSlice(cmd.Aliases))
+	sort.Strings(cmd.Aliases)
 
-	buf.WriteString(fmt.Sprint(`    if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n"))
+	WriteStringAndCheck(buf, fmt.Sprint(`    if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n"))
 	for _, value := range cmd.Aliases {
-		buf.WriteString(fmt.Sprintf("        command_aliases+=(%q)\n", value))
-		buf.WriteString(fmt.Sprintf("        aliashash[%q]=%q\n", value, cmd.Name()))
+		WriteStringAndCheck(buf, fmt.Sprintf("        command_aliases+=(%q)\n", value))
+		WriteStringAndCheck(buf, fmt.Sprintf("        aliashash[%q]=%q\n", value, cmd.Name()))
 	}
-	buf.WriteString(`    fi`)
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, `    fi`)
+	WriteStringAndCheck(buf, "\n")
 }
-func writeArgAliases(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    noun_aliases=()\n")
-	sort.Sort(sort.StringSlice(cmd.ArgAliases))
+func writeArgAliases(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    noun_aliases=()\n")
+	sort.Strings(cmd.ArgAliases)
 	for _, value := range cmd.ArgAliases {
-		buf.WriteString(fmt.Sprintf("    noun_aliases+=(%q)\n", value))
+		WriteStringAndCheck(buf, fmt.Sprintf("    noun_aliases+=(%q)\n", value))
 	}
 }
 
-func gen(buf *bytes.Buffer, cmd *Command) {
+func gen(buf io.StringWriter, cmd *Command) {
 	for _, c := range cmd.Commands() {
 		if !c.IsAvailableCommand() && c != cmd.helpCommand {
 			continue
@@ -630,22 +637,22 @@ func gen(buf *bytes.Buffer, cmd *Command) {
 	commandName = strings.Replace(commandName, ":", "__", -1)
 
 	if cmd.Root() == cmd {
-		buf.WriteString(fmt.Sprintf("_%s_root_command()\n{\n", commandName))
+		WriteStringAndCheck(buf, fmt.Sprintf("_%s_root_command()\n{\n", commandName))
 	} else {
-		buf.WriteString(fmt.Sprintf("_%s()\n{\n", commandName))
+		WriteStringAndCheck(buf, fmt.Sprintf("_%s()\n{\n", commandName))
 	}
 
-	buf.WriteString(fmt.Sprintf("    last_command=%q\n", commandName))
-	buf.WriteString("\n")
-	buf.WriteString("    command_aliases=()\n")
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, fmt.Sprintf("    last_command=%q\n", commandName))
+	WriteStringAndCheck(buf, "\n")
+	WriteStringAndCheck(buf, "    command_aliases=()\n")
+	WriteStringAndCheck(buf, "\n")
 
 	writeCommands(buf, cmd)
 	writeFlags(buf, cmd)
 	writeRequiredFlag(buf, cmd)
 	writeRequiredNouns(buf, cmd)
 	writeArgAliases(buf, cmd)
-	buf.WriteString("}\n\n")
+	WriteStringAndCheck(buf, "}\n\n")
 }
 
 // GenBashCompletion generates bash completion file and writes to the passed writer.
diff --git a/vendor/github.com/spf13/cobra/bash_completions.md b/vendor/github.com/spf13/cobra/bash_completions.md
index a82d5bb8b..52919b2fa 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.md
+++ b/vendor/github.com/spf13/cobra/bash_completions.md
@@ -4,7 +4,9 @@ Please refer to [Shell Completions](shell_completions.md) for details.
 
 ## Bash legacy dynamic completions
 
-For backwards-compatibility, Cobra still supports its legacy dynamic completion solution (described below).  Unlike the `ValidArgsFunction` solution, the legacy solution will only work for Bash shell-completion and not for other shells. This legacy solution can be used along-side `ValidArgsFunction` and `RegisterFlagCompletionFunc()`, as long as both solutions are not used for the same command.  This provides a path to gradually migrate from the legacy solution to the new solution.
+For backward compatibility, Cobra still supports its legacy dynamic completion solution (described below).  Unlike the `ValidArgsFunction` solution, the legacy solution will only work for Bash shell-completion and not for other shells. This legacy solution can be used along-side `ValidArgsFunction` and `RegisterFlagCompletionFunc()`, as long as both solutions are not used for the same command.  This provides a path to gradually migrate from the legacy solution to the new solution.
+
+**Note**: Cobra's default `completion` command uses bash completion V2.  If you are currently using Cobra's legacy dynamic completion solution, you should not use the default `completion` command but continue using your own.
 
 The legacy solution allows you to inject bash functions into the bash completion script.  Those bash functions are responsible for providing the completion choices for your own completions.
 
diff --git a/vendor/github.com/spf13/cobra/bash_completionsV2.go b/vendor/github.com/spf13/cobra/bash_completionsV2.go
new file mode 100644
index 000000000..8859b57c4
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/bash_completionsV2.go
@@ -0,0 +1,302 @@
+package cobra
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"os"
+)
+
+func (c *Command) genBashCompletion(w io.Writer, includeDesc bool) error {
+	buf := new(bytes.Buffer)
+	genBashComp(buf, c.Name(), includeDesc)
+	_, err := buf.WriteTo(w)
+	return err
+}
+
+func genBashComp(buf io.StringWriter, name string, includeDesc bool) {
+	compCmd := ShellCompRequestCmd
+	if !includeDesc {
+		compCmd = ShellCompNoDescRequestCmd
+	}
+
+	WriteStringAndCheck(buf, fmt.Sprintf(`# bash completion V2 for %-36[1]s -*- shell-script -*-
+
+__%[1]s_debug()
+{
+    if [[ -n ${BASH_COMP_DEBUG_FILE:-} ]]; then
+        echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
+    fi
+}
+
+# Macs have bash3 for which the bash-completion package doesn't include
+# _init_completion. This is a minimal version of that function.
+__%[1]s_init_completion()
+{
+    COMPREPLY=()
+    _get_comp_words_by_ref "$@" cur prev words cword
+}
+
+# This function calls the %[1]s program to obtain the completion
+# results and the directive.  It fills the 'out' and 'directive' vars.
+__%[1]s_get_completion_results() {
+    local requestComp lastParam lastChar args
+
+    # Prepare the command to request completions for the program.
+    # Calling ${words[0]} instead of directly %[1]s allows to handle aliases
+    args=("${words[@]:1}")
+    requestComp="${words[0]} %[2]s ${args[*]}"
+
+    lastParam=${words[$((${#words[@]}-1))]}
+    lastChar=${lastParam:$((${#lastParam}-1)):1}
+    __%[1]s_debug "lastParam ${lastParam}, lastChar ${lastChar}"
+
+    if [ -z "${cur}" ] && [ "${lastChar}" != "=" ]; then
+        # If the last parameter is complete (there is a space following it)
+        # We add an extra empty parameter so we can indicate this to the go method.
+        __%[1]s_debug "Adding extra empty parameter"
+        requestComp="${requestComp} ''"
+    fi
+
+    # When completing a flag with an = (e.g., %[1]s -n=<TAB>)
+    # bash focuses on the part after the =, so we need to remove
+    # the flag part from $cur
+    if [[ "${cur}" == -*=* ]]; then
+        cur="${cur#*=}"
+    fi
+
+    __%[1]s_debug "Calling ${requestComp}"
+    # Use eval to handle any environment variables and such
+    out=$(eval "${requestComp}" 2>/dev/null)
+
+    # Extract the directive integer at the very end of the output following a colon (:)
+    directive=${out##*:}
+    # Remove the directive
+    out=${out%%:*}
+    if [ "${directive}" = "${out}" ]; then
+        # There is not directive specified
+        directive=0
+    fi
+    __%[1]s_debug "The completion directive is: ${directive}"
+    __%[1]s_debug "The completions are: ${out[*]}"
+}
+
+__%[1]s_process_completion_results() {
+    local shellCompDirectiveError=%[3]d
+    local shellCompDirectiveNoSpace=%[4]d
+    local shellCompDirectiveNoFileComp=%[5]d
+    local shellCompDirectiveFilterFileExt=%[6]d
+    local shellCompDirectiveFilterDirs=%[7]d
+
+    if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then
+        # Error code.  No completion.
+        __%[1]s_debug "Received error from custom completion go code"
+        return
+    else
+        if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
+            if [[ $(type -t compopt) = "builtin" ]]; then
+                __%[1]s_debug "Activating no space"
+                compopt -o nospace
+            else
+                __%[1]s_debug "No space directive not supported in this version of bash"
+            fi
+        fi
+        if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
+            if [[ $(type -t compopt) = "builtin" ]]; then
+                __%[1]s_debug "Activating no file completion"
+                compopt +o default
+            else
+                __%[1]s_debug "No file completion directive not supported in this version of bash"
+            fi
+        fi
+    fi
+
+    if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
+        # File extension filtering
+        local fullFilter filter filteringCmd
+
+        # Do not use quotes around the $out variable or else newline
+        # characters will be kept.
+        for filter in ${out[*]}; do
+            fullFilter+="$filter|"
+        done
+
+        filteringCmd="_filedir $fullFilter"
+        __%[1]s_debug "File filtering command: $filteringCmd"
+        $filteringCmd
+    elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
+        # File completion for directories only
+
+        # Use printf to strip any trailing newline
+        local subdir
+        subdir=$(printf "%%s" "${out[0]}")
+        if [ -n "$subdir" ]; then
+            __%[1]s_debug "Listing directories in $subdir"
+            pushd "$subdir" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1 || return
+        else
+            __%[1]s_debug "Listing directories in ."
+            _filedir -d
+        fi
+    else
+        __%[1]s_handle_standard_completion_case
+    fi
+
+    __%[1]s_handle_special_char "$cur" :
+    __%[1]s_handle_special_char "$cur" =
+}
+
+__%[1]s_handle_standard_completion_case() {
+    local tab comp
+    tab=$(printf '\t')
+
+    local longest=0
+    # Look for the longest completion so that we can format things nicely
+    while IFS='' read -r comp; do
+        # Strip any description before checking the length
+        comp=${comp%%%%$tab*}
+        # Only consider the completions that match
+        comp=$(compgen -W "$comp" -- "$cur")
+        if ((${#comp}>longest)); then
+            longest=${#comp}
+        fi
+    done < <(printf "%%s\n" "${out[@]}")
+
+    local completions=()
+    while IFS='' read -r comp; do
+        if [ -z "$comp" ]; then
+            continue
+        fi
+
+        __%[1]s_debug "Original comp: $comp"
+        comp="$(__%[1]s_format_comp_descriptions "$comp" "$longest")"
+        __%[1]s_debug "Final comp: $comp"
+        completions+=("$comp")
+    done < <(printf "%%s\n" "${out[@]}")
+
+    while IFS='' read -r comp; do
+        COMPREPLY+=("$comp")
+    done < <(compgen -W "${completions[*]}" -- "$cur")
+
+    # If there is a single completion left, remove the description text
+    if [ ${#COMPREPLY[*]} -eq 1 ]; then
+        __%[1]s_debug "COMPREPLY[0]: ${COMPREPLY[0]}"
+        comp="${COMPREPLY[0]%%%% *}"
+        __%[1]s_debug "Removed description from single completion, which is now: ${comp}"
+        COMPREPLY=()
+        COMPREPLY+=("$comp")
+    fi
+}
+
+__%[1]s_handle_special_char()
+{
+    local comp="$1"
+    local char=$2
+    if [[ "$comp" == *${char}* && "$COMP_WORDBREAKS" == *${char}* ]]; then
+        local word=${comp%%"${comp##*${char}}"}
+        local idx=${#COMPREPLY[*]}
+        while [[ $((--idx)) -ge 0 ]]; do
+            COMPREPLY[$idx]=${COMPREPLY[$idx]#"$word"}
+        done
+    fi
+}
+
+__%[1]s_format_comp_descriptions()
+{
+    local tab
+    tab=$(printf '\t')
+    local comp="$1"
+    local longest=$2
+
+    # Properly format the description string which follows a tab character if there is one
+    if [[ "$comp" == *$tab* ]]; then
+        desc=${comp#*$tab}
+        comp=${comp%%%%$tab*}
+
+        # $COLUMNS stores the current shell width.
+        # Remove an extra 4 because we add 2 spaces and 2 parentheses.
+        maxdesclength=$(( COLUMNS - longest - 4 ))
+
+        # Make sure we can fit a description of at least 8 characters
+        # if we are to align the descriptions.
+        if [[ $maxdesclength -gt 8 ]]; then
+            # Add the proper number of spaces to align the descriptions
+            for ((i = ${#comp} ; i < longest ; i++)); do
+                comp+=" "
+            done
+        else
+            # Don't pad the descriptions so we can fit more text after the completion
+            maxdesclength=$(( COLUMNS - ${#comp} - 4 ))
+        fi
+
+        # If there is enough space for any description text,
+        # truncate the descriptions that are too long for the shell width
+        if [ $maxdesclength -gt 0 ]; then
+            if [ ${#desc} -gt $maxdesclength ]; then
+                desc=${desc:0:$(( maxdesclength - 1 ))}
+                desc+="…"
+            fi
+            comp+="  ($desc)"
+        fi
+    fi
+
+    # Must use printf to escape all special characters
+    printf "%%q" "${comp}"
+}
+
+__start_%[1]s()
+{
+    local cur prev words cword split
+
+    COMPREPLY=()
+
+    # Call _init_completion from the bash-completion package
+    # to prepare the arguments properly
+    if declare -F _init_completion >/dev/null 2>&1; then
+        _init_completion -n "=:" || return
+    else
+        __%[1]s_init_completion -n "=:" || return
+    fi
+
+    __%[1]s_debug
+    __%[1]s_debug "========= starting completion logic =========="
+    __%[1]s_debug "cur is ${cur}, words[*] is ${words[*]}, #words[@] is ${#words[@]}, cword is $cword"
+
+    # The user could have moved the cursor backwards on the command-line.
+    # We need to trigger completion from the $cword location, so we need
+    # to truncate the command-line ($words) up to the $cword location.
+    words=("${words[@]:0:$cword+1}")
+    __%[1]s_debug "Truncated words[*]: ${words[*]},"
+
+    local out directive
+    __%[1]s_get_completion_results
+    __%[1]s_process_completion_results
+}
+
+if [[ $(type -t compopt) = "builtin" ]]; then
+    complete -o default -F __start_%[1]s %[1]s
+else
+    complete -o default -o nospace -F __start_%[1]s %[1]s
+fi
+
+# ex: ts=4 sw=4 et filetype=sh
+`, name, compCmd,
+		ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
+		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
+}
+
+// GenBashCompletionFileV2 generates Bash completion version 2.
+func (c *Command) GenBashCompletionFileV2(filename string, includeDesc bool) error {
+	outFile, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer outFile.Close()
+
+	return c.GenBashCompletionV2(outFile, includeDesc)
+}
+
+// GenBashCompletionV2 generates Bash completion file version 2
+// and writes it to the passed writer.
+func (c *Command) GenBashCompletionV2(w io.Writer, includeDesc bool) error {
+	return c.genBashCompletion(w, includeDesc)
+}
diff --git a/vendor/github.com/spf13/cobra/cobra.go b/vendor/github.com/spf13/cobra/cobra.go
index d01becc8f..d6cbfd719 100644
--- a/vendor/github.com/spf13/cobra/cobra.go
+++ b/vendor/github.com/spf13/cobra/cobra.go
@@ -19,6 +19,7 @@ package cobra
 import (
 	"fmt"
 	"io"
+	"os"
 	"reflect"
 	"strconv"
 	"strings"
@@ -205,3 +206,17 @@ func stringInSlice(a string, list []string) bool {
 	}
 	return false
 }
+
+// CheckErr prints the msg with the prefix 'Error:' and exits with error code 1. If the msg is nil, it does nothing.
+func CheckErr(msg interface{}) {
+	if msg != nil {
+		fmt.Fprintln(os.Stderr, "Error:", msg)
+		os.Exit(1)
+	}
+}
+
+// WriteStringAndCheck writes a string into a buffer, and checks if the error is not nil.
+func WriteStringAndCheck(b io.StringWriter, s string) {
+	_, err := b.WriteString(s)
+	CheckErr(err)
+}
diff --git a/vendor/github.com/spf13/cobra/command.go b/vendor/github.com/spf13/cobra/command.go
index 77b399e02..2cc18891d 100644
--- a/vendor/github.com/spf13/cobra/command.go
+++ b/vendor/github.com/spf13/cobra/command.go
@@ -63,9 +63,9 @@ type Command struct {
 	// Example is examples of how to use the command.
 	Example string
 
-	// ValidArgs is list of all valid non-flag arguments that are accepted in bash completions
+	// ValidArgs is list of all valid non-flag arguments that are accepted in shell completions
 	ValidArgs []string
-	// ValidArgsFunction is an optional function that provides valid non-flag arguments for bash completion.
+	// ValidArgsFunction is an optional function that provides valid non-flag arguments for shell completion.
 	// It is a dynamic version of using ValidArgs.
 	// Only one of ValidArgs and ValidArgsFunction can be used for a command.
 	ValidArgsFunction func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective)
@@ -74,19 +74,17 @@ type Command struct {
 	Args PositionalArgs
 
 	// ArgAliases is List of aliases for ValidArgs.
-	// These are not suggested to the user in the bash completion,
+	// These are not suggested to the user in the shell completion,
 	// but accepted if entered manually.
 	ArgAliases []string
 
-	// BashCompletionFunction is custom functions used by the bash autocompletion generator.
+	// BashCompletionFunction is custom bash functions used by the legacy bash autocompletion generator.
+	// For portability with other shells, it is recommended to instead use ValidArgsFunction
 	BashCompletionFunction string
 
 	// Deprecated defines, if this command is deprecated and should print this string when used.
 	Deprecated string
 
-	// Hidden defines, if this command is hidden and should NOT show up in the list of available commands.
-	Hidden bool
-
 	// Annotations are key/value pairs that can be used by applications to identify or
 	// group commands.
 	Annotations map[string]string
@@ -126,55 +124,6 @@ type Command struct {
 	// PersistentPostRunE: PersistentPostRun but returns an error.
 	PersistentPostRunE func(cmd *Command, args []string) error
 
-	// SilenceErrors is an option to quiet errors down stream.
-	SilenceErrors bool
-
-	// SilenceUsage is an option to silence usage when an error occurs.
-	SilenceUsage bool
-
-	// DisableFlagParsing disables the flag parsing.
-	// If this is true all flags will be passed to the command as arguments.
-	DisableFlagParsing bool
-
-	// DisableAutoGenTag defines, if gen tag ("Auto generated by spf13/cobra...")
-	// will be printed by generating docs for this command.
-	DisableAutoGenTag bool
-
-	// DisableFlagsInUseLine will disable the addition of [flags] to the usage
-	// line of a command when printing help or generating docs
-	DisableFlagsInUseLine bool
-
-	// DisableSuggestions disables the suggestions based on Levenshtein distance
-	// that go along with 'unknown command' messages.
-	DisableSuggestions bool
-	// SuggestionsMinimumDistance defines minimum levenshtein distance to display suggestions.
-	// Must be > 0.
-	SuggestionsMinimumDistance int
-
-	// TraverseChildren parses flags on all parents before executing child command.
-	TraverseChildren bool
-
-	// FParseErrWhitelist flag parse errors to be ignored
-	FParseErrWhitelist FParseErrWhitelist
-
-	ctx context.Context
-
-	// commands is the list of commands supported by this program.
-	commands []*Command
-	// parent is a parent command for this command.
-	parent *Command
-	// Max lengths of commands' string lengths for use in padding.
-	commandsMaxUseLen         int
-	commandsMaxCommandPathLen int
-	commandsMaxNameLen        int
-	// commandsAreSorted defines, if command slice are sorted or not.
-	commandsAreSorted bool
-	// commandCalledAs is the name or alias value used to call this command.
-	commandCalledAs struct {
-		name   string
-		called bool
-	}
-
 	// args is actual args parsed from flags.
 	args []string
 	// flagErrorBuf contains all error messages from pflag.
@@ -216,6 +165,63 @@ type Command struct {
 	outWriter io.Writer
 	// errWriter is a writer defined by the user that replaces stderr
 	errWriter io.Writer
+
+	//FParseErrWhitelist flag parse errors to be ignored
+	FParseErrWhitelist FParseErrWhitelist
+
+	// CompletionOptions is a set of options to control the handling of shell completion
+	CompletionOptions CompletionOptions
+
+	// commandsAreSorted defines, if command slice are sorted or not.
+	commandsAreSorted bool
+	// commandCalledAs is the name or alias value used to call this command.
+	commandCalledAs struct {
+		name   string
+		called bool
+	}
+
+	ctx context.Context
+
+	// commands is the list of commands supported by this program.
+	commands []*Command
+	// parent is a parent command for this command.
+	parent *Command
+	// Max lengths of commands' string lengths for use in padding.
+	commandsMaxUseLen         int
+	commandsMaxCommandPathLen int
+	commandsMaxNameLen        int
+
+	// TraverseChildren parses flags on all parents before executing child command.
+	TraverseChildren bool
+
+	// Hidden defines, if this command is hidden and should NOT show up in the list of available commands.
+	Hidden bool
+
+	// SilenceErrors is an option to quiet errors down stream.
+	SilenceErrors bool
+
+	// SilenceUsage is an option to silence usage when an error occurs.
+	SilenceUsage bool
+
+	// DisableFlagParsing disables the flag parsing.
+	// If this is true all flags will be passed to the command as arguments.
+	DisableFlagParsing bool
+
+	// DisableAutoGenTag defines, if gen tag ("Auto generated by spf13/cobra...")
+	// will be printed by generating docs for this command.
+	DisableAutoGenTag bool
+
+	// DisableFlagsInUseLine will disable the addition of [flags] to the usage
+	// line of a command when printing help or generating docs
+	DisableFlagsInUseLine bool
+
+	// DisableSuggestions disables the suggestions based on Levenshtein distance
+	// that go along with 'unknown command' messages.
+	DisableSuggestions bool
+
+	// SuggestionsMinimumDistance defines minimum levenshtein distance to display suggestions.
+	// Must be > 0.
+	SuggestionsMinimumDistance int
 }
 
 // Context returns underlying command context. If command wasn't
@@ -418,7 +424,7 @@ func (c *Command) UsageString() string {
 	c.outWriter = bb
 	c.errWriter = bb
 
-	c.Usage()
+	CheckErr(c.Usage())
 
 	// Setting things back to normal
 	c.outWriter = tmpOutput
@@ -882,7 +888,8 @@ func (c *Command) preRun() {
 }
 
 // ExecuteContext is the same as Execute(), but sets the ctx on the command.
-// Retrieve ctx by calling cmd.Context() inside your *Run lifecycle functions.
+// Retrieve ctx by calling cmd.Context() inside your *Run lifecycle or ValidArgs
+// functions.
 func (c *Command) ExecuteContext(ctx context.Context) error {
 	c.ctx = ctx
 	return c.Execute()
@@ -896,6 +903,14 @@ func (c *Command) Execute() error {
 	return err
 }
 
+// ExecuteContextC is the same as ExecuteC(), but sets the ctx on the command.
+// Retrieve ctx by calling cmd.Context() inside your *Run lifecycle or ValidArgs
+// functions.
+func (c *Command) ExecuteContextC(ctx context.Context) (*Command, error) {
+	c.ctx = ctx
+	return c.ExecuteC()
+}
+
 // ExecuteC executes the command.
 func (c *Command) ExecuteC() (cmd *Command, err error) {
 	if c.ctx == nil {
@@ -912,9 +927,10 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
 		preExecHookFn(c)
 	}
 
-	// initialize help as the last point possible to allow for user
-	// overriding
+	// initialize help at the last point to allow for user overriding
 	c.InitDefaultHelpCmd()
+	// initialize completion at the last point to allow for user overriding
+	c.initDefaultCompletionCmd()
 
 	args := c.args
 
@@ -923,7 +939,7 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
 		args = os.Args[1:]
 	}
 
-	// initialize the hidden command to be used for bash completion
+	// initialize the hidden command to be used for shell completion
 	c.initCompleteCmd(args)
 
 	var flags []string
@@ -964,13 +980,13 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
 			return cmd, nil
 		}
 
-		// If root command has SilentErrors flagged,
+		// If root command has SilenceErrors flagged,
 		// all subcommands should respect it
 		if !cmd.SilenceErrors && !c.SilenceErrors {
 			c.PrintErrln("Error:", err.Error())
 		}
 
-		// If root command has SilentUsage flagged,
+		// If root command has SilenceUsage flagged,
 		// all subcommands should respect it
 		if !cmd.SilenceUsage && !c.SilenceUsage {
 			c.Println(cmd.UsageString())
@@ -1087,10 +1103,10 @@ Simply type ` + c.Name() + ` help [path to command] for full details.`,
 				cmd, _, e := c.Root().Find(args)
 				if cmd == nil || e != nil {
 					c.Printf("Unknown help topic %#q\n", args)
-					c.Root().Usage()
+					CheckErr(c.Root().Usage())
 				} else {
 					cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown
-					cmd.Help()
+					CheckErr(cmd.Help())
 				}
 			},
 		}
diff --git a/vendor/github.com/spf13/cobra/custom_completions.go b/vendor/github.com/spf13/cobra/completions.go
similarity index 70%
rename from vendor/github.com/spf13/cobra/custom_completions.go
rename to vendor/github.com/spf13/cobra/completions.go
index f9e88e081..b849b9c84 100644
--- a/vendor/github.com/spf13/cobra/custom_completions.go
+++ b/vendor/github.com/spf13/cobra/completions.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"strings"
+	"sync"
 
 	"github.com/spf13/pflag"
 )
@@ -17,13 +18,25 @@ const (
 	ShellCompNoDescRequestCmd = "__completeNoDesc"
 )
 
-// Global map of flag completion functions.
+// Global map of flag completion functions. Make sure to use flagCompletionMutex before you try to read and write from it.
 var flagCompletionFunctions = map[*pflag.Flag]func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective){}
 
+// lock for reading and writing from flagCompletionFunctions
+var flagCompletionMutex = &sync.RWMutex{}
+
 // ShellCompDirective is a bit map representing the different behaviors the shell
 // can be instructed to have once completions have been provided.
 type ShellCompDirective int
 
+type flagCompError struct {
+	subCommand string
+	flagName   string
+}
+
+func (e *flagCompError) Error() string {
+	return "Subcommand '" + e.subCommand + "' does not support flag '" + e.flagName + "'"
+}
+
 const (
 	// ShellCompDirectiveError indicates an error occurred and completions should be ignored.
 	ShellCompDirectiveError ShellCompDirective = 1 << iota
@@ -34,7 +47,6 @@ const (
 
 	// ShellCompDirectiveNoFileComp indicates that the shell should not provide
 	// file completion even when no completion is provided.
-	// This currently does not work for zsh or bash < 4
 	ShellCompDirectiveNoFileComp
 
 	// ShellCompDirectiveFilterFileExt indicates that the provided completions
@@ -63,12 +75,41 @@ const (
 	ShellCompDirectiveDefault ShellCompDirective = 0
 )
 
+const (
+	// Constants for the completion command
+	compCmdName              = "completion"
+	compCmdNoDescFlagName    = "no-descriptions"
+	compCmdNoDescFlagDesc    = "disable completion descriptions"
+	compCmdNoDescFlagDefault = false
+)
+
+// CompletionOptions are the options to control shell completion
+type CompletionOptions struct {
+	// DisableDefaultCmd prevents Cobra from creating a default 'completion' command
+	DisableDefaultCmd bool
+	// DisableNoDescFlag prevents Cobra from creating the '--no-descriptions' flag
+	// for shells that support completion descriptions
+	DisableNoDescFlag bool
+	// DisableDescriptions turns off all completion descriptions for shells
+	// that support them
+	DisableDescriptions bool
+}
+
+// NoFileCompletions can be used to disable file completion for commands that should
+// not trigger file completions.
+func NoFileCompletions(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective) {
+	return nil, ShellCompDirectiveNoFileComp
+}
+
 // RegisterFlagCompletionFunc should be called to register a function to provide completion for a flag.
 func (c *Command) RegisterFlagCompletionFunc(flagName string, f func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective)) error {
 	flag := c.Flag(flagName)
 	if flag == nil {
 		return fmt.Errorf("RegisterFlagCompletionFunc: flag '%s' does not exist", flagName)
 	}
+	flagCompletionMutex.Lock()
+	defer flagCompletionMutex.Unlock()
+
 	if _, exists := flagCompletionFunctions[flag]; exists {
 		return fmt.Errorf("RegisterFlagCompletionFunc: flag '%s' already registered", flagName)
 	}
@@ -149,10 +190,6 @@ func (c *Command) initCompleteCmd(args []string) {
 				fmt.Fprintln(finalCmd.OutOrStdout(), comp)
 			}
 
-			if directive >= shellCompDirectiveMaxValue {
-				directive = ShellCompDirectiveDefault
-			}
-
 			// As the last printout, print the completion directive for the completion script to parse.
 			// The directive integer must be that last character following a single colon (:).
 			// The completion script expects :<directive>
@@ -195,23 +232,41 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
 		// Unable to find the real command. E.g., <program> someInvalidCmd <TAB>
 		return c, []string{}, ShellCompDirectiveDefault, fmt.Errorf("Unable to find a command for arguments: %v", trimmedArgs)
 	}
+	finalCmd.ctx = c.ctx
 
 	// Check if we are doing flag value completion before parsing the flags.
 	// This is important because if we are completing a flag value, we need to also
 	// remove the flag name argument from the list of finalArgs or else the parsing
 	// could fail due to an invalid value (incomplete) for the flag.
-	flag, finalArgs, toComplete, err := checkIfFlagCompletion(finalCmd, finalArgs, toComplete)
-	if err != nil {
-		// Error while attempting to parse flags
-		return finalCmd, []string{}, ShellCompDirectiveDefault, err
-	}
+	flag, finalArgs, toComplete, flagErr := checkIfFlagCompletion(finalCmd, finalArgs, toComplete)
+
+	// Check if interspersed is false or -- was set on a previous arg.
+	// This works by counting the arguments. Normally -- is not counted as arg but
+	// if -- was already set or interspersed is false and there is already one arg then
+	// the extra added -- is counted as arg.
+	flagCompletion := true
+	_ = finalCmd.ParseFlags(append(finalArgs, "--"))
+	newArgCount := finalCmd.Flags().NArg()
 
 	// Parse the flags early so we can check if required flags are set
 	if err = finalCmd.ParseFlags(finalArgs); err != nil {
 		return finalCmd, []string{}, ShellCompDirectiveDefault, fmt.Errorf("Error while parsing flags from args %v: %s", finalArgs, err.Error())
 	}
 
-	if flag != nil {
+	realArgCount := finalCmd.Flags().NArg()
+	if newArgCount > realArgCount {
+		// don't do flag completion (see above)
+		flagCompletion = false
+	}
+	// Error while attempting to parse flags
+	if flagErr != nil {
+		// If error type is flagCompError and we don't want flagCompletion we should ignore the error
+		if _, ok := flagErr.(*flagCompError); !(ok && !flagCompletion) {
+			return finalCmd, []string{}, ShellCompDirectiveDefault, flagErr
+		}
+	}
+
+	if flag != nil && flagCompletion {
 		// Check if we are completing a flag value subject to annotations
 		if validExts, present := flag.Annotations[BashCompFilenameExt]; present {
 			if len(validExts) != 0 {
@@ -238,7 +293,7 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
 	// When doing completion of a flag name, as soon as an argument starts with
 	// a '-' we know it is a flag.  We cannot use isFlagArg() here as it requires
 	// the flag name to be complete
-	if flag == nil && len(toComplete) > 0 && toComplete[0] == '-' && !strings.Contains(toComplete, "=") {
+	if flag == nil && len(toComplete) > 0 && toComplete[0] == '-' && !strings.Contains(toComplete, "=") && flagCompletion {
 		var completions []string
 
 		// First check for required flags
@@ -302,7 +357,7 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
 		if len(finalArgs) == 0 && !foundLocalNonPersistentFlag {
 			// We only complete sub-commands if:
 			// - there are no arguments on the command-line and
-			// - there are no local, non-peristent flag on the command-line or TraverseChildren is true
+			// - there are no local, non-persistent flags on the command-line or TraverseChildren is true
 			for _, subCmd := range finalCmd.Commands() {
 				if subCmd.IsAvailableCommand() || subCmd == finalCmd.helpCommand {
 					if strings.HasPrefix(subCmd.Name(), toComplete) {
@@ -351,8 +406,10 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi
 
 	// Find the completion function for the flag or command
 	var completionFn func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective)
-	if flag != nil {
+	if flag != nil && flagCompletion {
+		flagCompletionMutex.RLock()
 		completionFn = flagCompletionFunctions[flag]
+		flagCompletionMutex.RUnlock()
 	} else {
 		completionFn = finalCmd.ValidArgsFunction
 	}
@@ -435,6 +492,7 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
 	var flagName string
 	trimmedArgs := args
 	flagWithEqual := false
+	orgLastArg := lastArg
 
 	// When doing completion of a flag name, as soon as an argument starts with
 	// a '-' we know it is a flag.  We cannot use isFlagArg() here as that function
@@ -442,7 +500,16 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
 	if len(lastArg) > 0 && lastArg[0] == '-' {
 		if index := strings.Index(lastArg, "="); index >= 0 {
 			// Flag with an =
-			flagName = strings.TrimLeft(lastArg[:index], "-")
+			if strings.HasPrefix(lastArg[:index], "--") {
+				// Flag has full name
+				flagName = lastArg[2:index]
+			} else {
+				// Flag is shorthand
+				// We have to get the last shorthand flag name
+				// e.g. `-asd` => d to provide the correct completion
+				// https://github.com/spf13/cobra/issues/1257
+				flagName = lastArg[index-1 : index]
+			}
 			lastArg = lastArg[index+1:]
 			flagWithEqual = true
 		} else {
@@ -459,8 +526,16 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
 				// If the flag contains an = it means it has already been fully processed,
 				// so we don't need to deal with it here.
 				if index := strings.Index(prevArg, "="); index < 0 {
-					flagName = strings.TrimLeft(prevArg, "-")
-
+					if strings.HasPrefix(prevArg, "--") {
+						// Flag has full name
+						flagName = prevArg[2:]
+					} else {
+						// Flag is shorthand
+						// We have to get the last shorthand flag name
+						// e.g. `-asd` => d to provide the correct completion
+						// https://github.com/spf13/cobra/issues/1257
+						flagName = prevArg[len(prevArg)-1:]
+					}
 					// Remove the uncompleted flag or else there could be an error created
 					// for an invalid value for that flag
 					trimmedArgs = args[:len(args)-1]
@@ -476,9 +551,8 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
 
 	flag := findFlag(finalCmd, flagName)
 	if flag == nil {
-		// Flag not supported by this command, nothing to complete
-		err := fmt.Errorf("Subcommand '%s' does not support flag '%s'", finalCmd.Name(), flagName)
-		return nil, nil, "", err
+		// Flag not supported by this command, the interspersed option might be set so return the original args
+		return nil, args, orgLastArg, &flagCompError{subCommand: finalCmd.Name(), flagName: flagName}
 	}
 
 	if !flagWithEqual {
@@ -494,6 +568,156 @@ func checkIfFlagCompletion(finalCmd *Command, args []string, lastArg string) (*p
 	return flag, trimmedArgs, lastArg, nil
 }
 
+// initDefaultCompletionCmd adds a default 'completion' command to c.
+// This function will do nothing if any of the following is true:
+// 1- the feature has been explicitly disabled by the program,
+// 2- c has no subcommands (to avoid creating one),
+// 3- c already has a 'completion' command provided by the program.
+func (c *Command) initDefaultCompletionCmd() {
+	if c.CompletionOptions.DisableDefaultCmd || !c.HasSubCommands() {
+		return
+	}
+
+	for _, cmd := range c.commands {
+		if cmd.Name() == compCmdName || cmd.HasAlias(compCmdName) {
+			// A completion command is already available
+			return
+		}
+	}
+
+	haveNoDescFlag := !c.CompletionOptions.DisableNoDescFlag && !c.CompletionOptions.DisableDescriptions
+
+	completionCmd := &Command{
+		Use:   compCmdName,
+		Short: "generate the autocompletion script for the specified shell",
+		Long: fmt.Sprintf(`
+Generate the autocompletion script for %[1]s for the specified shell.
+See each sub-command's help for details on how to use the generated script.
+`, c.Root().Name()),
+		Args:              NoArgs,
+		ValidArgsFunction: NoFileCompletions,
+	}
+	c.AddCommand(completionCmd)
+
+	out := c.OutOrStdout()
+	noDesc := c.CompletionOptions.DisableDescriptions
+	shortDesc := "generate the autocompletion script for %s"
+	bash := &Command{
+		Use:   "bash",
+		Short: fmt.Sprintf(shortDesc, "bash"),
+		Long: fmt.Sprintf(`
+Generate the autocompletion script for the bash shell.
+
+This script depends on the 'bash-completion' package.
+If it is not installed already, you can install it via your OS's package manager.
+
+To load completions in your current shell session:
+$ source <(%[1]s completion bash)
+
+To load completions for every new session, execute once:
+Linux:
+  $ %[1]s completion bash > /etc/bash_completion.d/%[1]s
+MacOS:
+  $ %[1]s completion bash > /usr/local/etc/bash_completion.d/%[1]s
+
+You will need to start a new shell for this setup to take effect.
+  `, c.Root().Name()),
+		Args:                  NoArgs,
+		DisableFlagsInUseLine: true,
+		ValidArgsFunction:     NoFileCompletions,
+		RunE: func(cmd *Command, args []string) error {
+			return cmd.Root().GenBashCompletionV2(out, !noDesc)
+		},
+	}
+	if haveNoDescFlag {
+		bash.Flags().BoolVar(&noDesc, compCmdNoDescFlagName, compCmdNoDescFlagDefault, compCmdNoDescFlagDesc)
+	}
+
+	zsh := &Command{
+		Use:   "zsh",
+		Short: fmt.Sprintf(shortDesc, "zsh"),
+		Long: fmt.Sprintf(`
+Generate the autocompletion script for the zsh shell.
+
+If shell completion is not already enabled in your environment you will need
+to enable it.  You can execute the following once:
+
+$ echo "autoload -U compinit; compinit" >> ~/.zshrc
+
+To load completions for every new session, execute once:
+# Linux:
+$ %[1]s completion zsh > "${fpath[1]}/_%[1]s"
+# macOS:
+$ %[1]s completion zsh > /usr/local/share/zsh/site-functions/_%[1]s
+
+You will need to start a new shell for this setup to take effect.
+`, c.Root().Name()),
+		Args:              NoArgs,
+		ValidArgsFunction: NoFileCompletions,
+		RunE: func(cmd *Command, args []string) error {
+			if noDesc {
+				return cmd.Root().GenZshCompletionNoDesc(out)
+			}
+			return cmd.Root().GenZshCompletion(out)
+		},
+	}
+	if haveNoDescFlag {
+		zsh.Flags().BoolVar(&noDesc, compCmdNoDescFlagName, compCmdNoDescFlagDefault, compCmdNoDescFlagDesc)
+	}
+
+	fish := &Command{
+		Use:   "fish",
+		Short: fmt.Sprintf(shortDesc, "fish"),
+		Long: fmt.Sprintf(`
+Generate the autocompletion script for the fish shell.
+
+To load completions in your current shell session:
+$ %[1]s completion fish | source
+
+To load completions for every new session, execute once:
+$ %[1]s completion fish > ~/.config/fish/completions/%[1]s.fish
+
+You will need to start a new shell for this setup to take effect.
+`, c.Root().Name()),
+		Args:              NoArgs,
+		ValidArgsFunction: NoFileCompletions,
+		RunE: func(cmd *Command, args []string) error {
+			return cmd.Root().GenFishCompletion(out, !noDesc)
+		},
+	}
+	if haveNoDescFlag {
+		fish.Flags().BoolVar(&noDesc, compCmdNoDescFlagName, compCmdNoDescFlagDefault, compCmdNoDescFlagDesc)
+	}
+
+	powershell := &Command{
+		Use:   "powershell",
+		Short: fmt.Sprintf(shortDesc, "powershell"),
+		Long: fmt.Sprintf(`
+Generate the autocompletion script for powershell.
+
+To load completions in your current shell session:
+PS C:\> %[1]s completion powershell | Out-String | Invoke-Expression
+
+To load completions for every new session, add the output of the above command
+to your powershell profile.
+`, c.Root().Name()),
+		Args:              NoArgs,
+		ValidArgsFunction: NoFileCompletions,
+		RunE: func(cmd *Command, args []string) error {
+			if noDesc {
+				return cmd.Root().GenPowerShellCompletion(out)
+			}
+			return cmd.Root().GenPowerShellCompletionWithDesc(out)
+
+		},
+	}
+	if haveNoDescFlag {
+		powershell.Flags().BoolVar(&noDesc, compCmdNoDescFlagName, compCmdNoDescFlagDefault, compCmdNoDescFlagDesc)
+	}
+
+	completionCmd.AddCommand(bash, zsh, fish, powershell)
+}
+
 func findFlag(cmd *Command, name string) *pflag.Flag {
 	flagSet := cmd.Flags()
 	if len(name) == 1 {
@@ -527,13 +751,13 @@ func CompDebug(msg string, printToStdErr bool) {
 			os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 		if err == nil {
 			defer f.Close()
-			f.WriteString(msg)
+			WriteStringAndCheck(f, msg)
 		}
 	}
 
 	if printToStdErr {
 		// Must print to stderr for this not to be read by the completion script.
-		fmt.Fprintf(os.Stderr, msg)
+		fmt.Fprint(os.Stderr, msg)
 	}
 }
 
diff --git a/vendor/github.com/spf13/cobra/fish_completions.go b/vendor/github.com/spf13/cobra/fish_completions.go
index eaae9bca8..bb57fd568 100644
--- a/vendor/github.com/spf13/cobra/fish_completions.go
+++ b/vendor/github.com/spf13/cobra/fish_completions.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 )
 
-func genFishComp(buf *bytes.Buffer, name string, includeDesc bool) {
+func genFishComp(buf io.StringWriter, name string, includeDesc bool) {
 	// Variables should not contain a '-' or ':' character
 	nameForVar := name
 	nameForVar = strings.Replace(nameForVar, "-", "_", -1)
@@ -18,47 +18,50 @@ func genFishComp(buf *bytes.Buffer, name string, includeDesc bool) {
 	if !includeDesc {
 		compCmd = ShellCompNoDescRequestCmd
 	}
-	buf.WriteString(fmt.Sprintf("# fish completion for %-36s -*- shell-script -*-\n", name))
-	buf.WriteString(fmt.Sprintf(`
+	WriteStringAndCheck(buf, fmt.Sprintf("# fish completion for %-36s -*- shell-script -*-\n", name))
+	WriteStringAndCheck(buf, fmt.Sprintf(`
 function __%[1]s_debug
-    set file "$BASH_COMP_DEBUG_FILE"
+    set -l file "$BASH_COMP_DEBUG_FILE"
     if test -n "$file"
         echo "$argv" >> $file
     end
 end
 
 function __%[1]s_perform_completion
-    __%[1]s_debug "Starting __%[1]s_perform_completion with: $argv"
+    __%[1]s_debug "Starting __%[1]s_perform_completion"
 
-    set args (string split -- " " "$argv")
-    set lastArg "$args[-1]"
+    # Extract all args except the last one
+    set -l args (commandline -opc)
+    # Extract the last arg and escape it in case it is a space
+    set -l lastArg (string escape -- (commandline -ct))
 
     __%[1]s_debug "args: $args"
     __%[1]s_debug "last arg: $lastArg"
 
-    set emptyArg ""
-    if test -z "$lastArg"
-        __%[1]s_debug "Setting emptyArg"
-        set emptyArg \"\"
-    end
-    __%[1]s_debug "emptyArg: $emptyArg"
+    set -l requestComp "$args[1] %[3]s $args[2..-1] $lastArg"
 
-    if not type -q "$args[1]"
-        # This can happen when "complete --do-complete %[2]s" is called when running this script.
-        __%[1]s_debug "Cannot find $args[1]. No completions."
-        return
-    end
-
-    set requestComp "$args[1] %[3]s $args[2..-1] $emptyArg"
     __%[1]s_debug "Calling $requestComp"
+    set -l results (eval $requestComp 2> /dev/null)
 
-    set results (eval $requestComp 2> /dev/null)
-    set comps $results[1..-2]
-    set directiveLine $results[-1]
+    # Some programs may output extra empty lines after the directive.
+    # Let's ignore them or else it will break completion.
+    # Ref: https://github.com/spf13/cobra/issues/1279
+    for line in $results[-1..1]
+        if test (string trim -- $line) = ""
+            # Found an empty line, remove it
+            set results $results[1..-2]
+        else
+            # Found non-empty line, we have our proper output
+            break
+        end
+    end
+
+    set -l comps $results[1..-2]
+    set -l directiveLine $results[-1]
 
     # For Fish, when completing a flag with an = (e.g., <program> -n=<TAB>)
     # completions must be prefixed with the flag
-    set flagPrefix (string match -r -- '-.*=' "$lastArg")
+    set -l flagPrefix (string match -r -- '-.*=' "$lastArg")
 
     __%[1]s_debug "Comps: $comps"
     __%[1]s_debug "DirectiveLine: $directiveLine"
@@ -71,115 +74,124 @@ function __%[1]s_perform_completion
     printf "%%s\n" "$directiveLine"
 end
 
-# This function does three things:
-# 1- Obtain the completions and store them in the global __%[1]s_comp_results
-# 2- Set the __%[1]s_comp_do_file_comp flag if file completion should be performed
-#    and unset it otherwise
-# 3- Return true if the completion results are not empty
+# This function does two things:
+# - Obtain the completions and store them in the global __%[1]s_comp_results
+# - Return false if file completion should be performed
 function __%[1]s_prepare_completions
+    __%[1]s_debug ""
+    __%[1]s_debug "========= starting completion logic =========="
+
     # Start fresh
-    set --erase __%[1]s_comp_do_file_comp
     set --erase __%[1]s_comp_results
 
-    # Check if the command-line is already provided.  This is useful for testing.
-    if not set --query __%[1]s_comp_commandLine
-        # Use the -c flag to allow for completion in the middle of the line
-        set __%[1]s_comp_commandLine (commandline -c)
-    end
-    __%[1]s_debug "commandLine is: $__%[1]s_comp_commandLine"
-
-    set results (__%[1]s_perform_completion "$__%[1]s_comp_commandLine")
-    set --erase __%[1]s_comp_commandLine
+    set -l results (__%[1]s_perform_completion)
     __%[1]s_debug "Completion results: $results"
 
     if test -z "$results"
         __%[1]s_debug "No completion, probably due to a failure"
         # Might as well do file completion, in case it helps
-        set --global __%[1]s_comp_do_file_comp 1
         return 1
     end
 
-    set directive (string sub --start 2 $results[-1])
+    set -l directive (string sub --start 2 $results[-1])
     set --global __%[1]s_comp_results $results[1..-2]
 
     __%[1]s_debug "Completions are: $__%[1]s_comp_results"
     __%[1]s_debug "Directive is: $directive"
 
-    set shellCompDirectiveError %[4]d
-    set shellCompDirectiveNoSpace %[5]d
-    set shellCompDirectiveNoFileComp %[6]d
-    set shellCompDirectiveFilterFileExt %[7]d
-    set shellCompDirectiveFilterDirs %[8]d
+    set -l shellCompDirectiveError %[4]d
+    set -l shellCompDirectiveNoSpace %[5]d
+    set -l shellCompDirectiveNoFileComp %[6]d
+    set -l shellCompDirectiveFilterFileExt %[7]d
+    set -l shellCompDirectiveFilterDirs %[8]d
 
     if test -z "$directive"
         set directive 0
     end
 
-    set compErr (math (math --scale 0 $directive / $shellCompDirectiveError) %% 2)
+    set -l compErr (math (math --scale 0 $directive / $shellCompDirectiveError) %% 2)
     if test $compErr -eq 1
         __%[1]s_debug "Received error directive: aborting."
         # Might as well do file completion, in case it helps
-        set --global __%[1]s_comp_do_file_comp 1
         return 1
     end
 
-    set filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) %% 2)
-    set dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) %% 2)
+    set -l filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) %% 2)
+    set -l dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) %% 2)
     if test $filefilter -eq 1; or test $dirfilter -eq 1
         __%[1]s_debug "File extension filtering or directory filtering not supported"
         # Do full file completion instead
-        set --global __%[1]s_comp_do_file_comp 1
         return 1
     end
 
-    set nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) %% 2)
-    set nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) %% 2)
+    set -l nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) %% 2)
+    set -l nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) %% 2)
 
     __%[1]s_debug "nospace: $nospace, nofiles: $nofiles"
 
-    # Important not to quote the variable for count to work
-    set numComps (count $__%[1]s_comp_results)
-    __%[1]s_debug "numComps: $numComps"
+    # If we want to prevent a space, or if file completion is NOT disabled,
+    # we need to count the number of valid completions.
+    # To do so, we will filter on prefix as the completions we have received
+    # may not already be filtered so as to allow fish to match on different
+    # criteria than the prefix.
+    if test $nospace -ne 0; or test $nofiles -eq 0
+        set -l prefix (commandline -t | string escape --style=regex)
+        __%[1]s_debug "prefix: $prefix"
 
-    if test $numComps -eq 1; and test $nospace -ne 0
-        # To support the "nospace" directive we trick the shell
-        # by outputting an extra, longer completion.
-        __%[1]s_debug "Adding second completion to perform nospace directive"
-        set --append __%[1]s_comp_results $__%[1]s_comp_results[1].
+        set -l completions (string match -r -- "^$prefix.*" $__%[1]s_comp_results)
+        set --global __%[1]s_comp_results $completions
+        __%[1]s_debug "Filtered completions are: $__%[1]s_comp_results"
+
+        # Important not to quote the variable for count to work
+        set -l numComps (count $__%[1]s_comp_results)
+        __%[1]s_debug "numComps: $numComps"
+
+        if test $numComps -eq 1; and test $nospace -ne 0
+            # We must first split on \t to get rid of the descriptions to be
+            # able to check what the actual completion will be.
+            # We don't need descriptions anyway since there is only a single
+            # real completion which the shell will expand immediately.
+            set -l split (string split --max 1 \t $__%[1]s_comp_results[1])
+
+            # Fish won't add a space if the completion ends with any
+            # of the following characters: @=/:.,
+            set -l lastChar (string sub -s -1 -- $split)
+            if not string match -r -q "[@=/:.,]" -- "$lastChar"
+                # In other cases, to support the "nospace" directive we trick the shell
+                # by outputting an extra, longer completion.
+                __%[1]s_debug "Adding second completion to perform nospace directive"
+                set --global __%[1]s_comp_results $split[1] $split[1].
+                __%[1]s_debug "Completions are now: $__%[1]s_comp_results"
+            end
+        end
+
+        if test $numComps -eq 0; and test $nofiles -eq 0
+            # To be consistent with bash and zsh, we only trigger file
+            # completion when there are no other completions
+            __%[1]s_debug "Requesting file completion"
+            return 1
+        end
     end
 
-    if test $numComps -eq 0; and test $nofiles -eq 0
-        __%[1]s_debug "Requesting file completion"
-        set --global __%[1]s_comp_do_file_comp 1
-    end
-
-    # If we don't want file completion, we must return true even if there
-    # are no completions found.  This is because fish will perform the last
-    # completion command, even if its condition is false, if no other
-    # completion command was triggered
-    return (not set --query __%[1]s_comp_do_file_comp)
+    return 0
 end
 
 # Since Fish completions are only loaded once the user triggers them, we trigger them ourselves
 # so we can properly delete any completions provided by another script.
-# The space after the the program name is essential to trigger completion for the program
-# and not completion of the program name itself.
-complete --do-complete "%[2]s " > /dev/null 2>&1
-# Using '> /dev/null 2>&1' since '&>' is not supported in older versions of fish.
+# Only do this if the program can be found, or else fish may print some errors; besides,
+# the existing completions will only be loaded if the program can be found.
+if type -q "%[2]s"
+    # The space after the program name is essential to trigger completion for the program
+    # and not completion of the program name itself.
+    # Also, we use '> /dev/null 2>&1' since '&>' is not supported in older versions of fish.
+    complete --do-complete "%[2]s " > /dev/null 2>&1
+end
 
 # Remove any pre-existing completions for the program since we will be handling all of them.
 complete -c %[2]s -e
 
-# The order in which the below two lines are defined is very important so that __%[1]s_prepare_completions
-# is called first.  It is __%[1]s_prepare_completions that sets up the __%[1]s_comp_do_file_comp variable.
-#
-# This completion will be run second as complete commands are added FILO.
-# It triggers file completion choices when __%[1]s_comp_do_file_comp is set.
-complete -c %[2]s -n 'set --query __%[1]s_comp_do_file_comp'
-
-# This completion will be run first as complete commands are added FILO.
-# The call to __%[1]s_prepare_completions will setup both __%[1]s_comp_results and __%[1]s_comp_do_file_comp.
-# It provides the program's completion choices.
+# The call to __%[1]s_prepare_completions will setup __%[1]s_comp_results
+# which provides the program's completion choices.
 complete -c %[2]s -n '__%[1]s_prepare_completions' -f -a '$__%[1]s_comp_results'
 
 `, nameForVar, name, compCmd,
diff --git a/vendor/github.com/spf13/cobra/go.mod b/vendor/github.com/spf13/cobra/go.mod
index 57e3244d5..1fb9439dd 100644
--- a/vendor/github.com/spf13/cobra/go.mod
+++ b/vendor/github.com/spf13/cobra/go.mod
@@ -1,12 +1,11 @@
 module github.com/spf13/cobra
 
-go 1.12
+go 1.14
 
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.0
 	github.com/inconshreveable/mousetrap v1.0.0
-	github.com/mitchellh/go-homedir v1.1.0
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.7.0
-	gopkg.in/yaml.v2 v2.2.8
+	github.com/spf13/viper v1.8.1
+	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/vendor/github.com/spf13/cobra/go.sum b/vendor/github.com/spf13/cobra/go.sum
index 0aae73863..3e22df29a 100644
--- a/vendor/github.com/spf13/cobra/go.sum
+++ b/vendor/github.com/spf13/cobra/go.sum
@@ -5,74 +5,141 @@ cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6A
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
+cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
+cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
+cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
+github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
+github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
+github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
+github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
-github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
-github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
-github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
+github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -94,61 +161,50 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
+github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
-github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
+github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
+github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
+github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
-github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/magiconair/properties v1.8.5 h1:b6kJs+EmPFMYGkow9GiUyCyOvIwYetYJ3fSaWak/Gls=
+github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
-github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
-github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
-github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
 github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg=
 github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=
+github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
-github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pelletier/go-toml v1.9.3 h1:zeC5b1GviRUyKYd6OJPvBU/mcVDVoL1OhT17FCt5dSQ=
+github.com/pelletier/go-toml v1.9.3/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
-github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
-github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
-github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
-github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
-github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
-github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
-github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
-github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
-github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
+github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -156,49 +212,65 @@ github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
-github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
-github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
-github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
-github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
-github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
-github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
-github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
-github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/afero v1.6.0 h1:xoax2sJ2DT8S8xA2paPFjDCScCNeWsg75VG0DLRreiY=
+github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
+github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
+github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
+github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.7.0 h1:xVKxvI7ouOI5I+U9s2eeiUfMaWBVoXA3AWskkrqK0VM=
-github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
+github.com/spf13/viper v1.8.1 h1:Kq1fyeebqsBfbjZj4EL7gj2IO0mMaiyjYUWcUsl2O44=
+github.com/spf13/viper v1.8.1/go.mod h1:o0Pch8wJ9BVSWGQMbra6iw0oQ5oktSIBaujf1rJH9Ns=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
-github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
-go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.etcd.io/etcd/api/v3 v3.5.0/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
+go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
+go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
-go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
+go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
 golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
+golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
+golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -208,16 +280,26 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
+golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -226,35 +308,107 @@ golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0 h1:HyfiK1WMnHj5FXFXatD+Qs1A/xC2Run6RzeW1SyHxpc=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200501052902-10377860bb8e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007 h1:gG67DSER+11cZvqIMb8S8bt0vZtiN6xWYARwirrOSfE=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -264,6 +418,7 @@ golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
@@ -271,16 +426,73 @@ golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200227222343-706bc42d1f0d/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200312045724-11d5b4c81c7d/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200331025713-a30bf2db82d4/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8=
+golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200515010526-7d3b6ebf133d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
+golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.19.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
+google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
+google.golang.org/api v0.35.0/go.mod h1:/XrVsuzM0rZmrsbjJutiuftIzeuTQcEeaYcSk/mQ1dg=
+google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34qYtE=
+google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
+google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
+google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
+google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
+google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -290,24 +502,91 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
+google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
+google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
+google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
+google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
-gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
+gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/vendor/github.com/spf13/cobra/powershell_completions.go b/vendor/github.com/spf13/cobra/powershell_completions.go
index 756c61b9d..59234c09f 100644
--- a/vendor/github.com/spf13/cobra/powershell_completions.go
+++ b/vendor/github.com/spf13/cobra/powershell_completions.go
@@ -1,6 +1,3 @@
-// PowerShell completions are based on the amazing work from clap:
-// https://github.com/clap-rs/clap/blob/3294d18efe5f264d12c9035f404c7d189d4824e1/src/completions/powershell.rs
-//
 // The generated scripts require PowerShell v5.0+ (which comes Windows 10, but
 // can be downloaded separately for windows 7 or 8.1).
 
@@ -11,90 +8,278 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"strings"
-
-	"github.com/spf13/pflag"
 )
 
-var powerShellCompletionTemplate = `using namespace System.Management.Automation
-using namespace System.Management.Automation.Language
-Register-ArgumentCompleter -Native -CommandName '%s' -ScriptBlock {
-    param($wordToComplete, $commandAst, $cursorPosition)
-    $commandElements = $commandAst.CommandElements
-    $command = @(
-        '%s'
-        for ($i = 1; $i -lt $commandElements.Count; $i++) {
-            $element = $commandElements[$i]
-            if ($element -isnot [StringConstantExpressionAst] -or
-                $element.StringConstantType -ne [StringConstantType]::BareWord -or
-                $element.Value.StartsWith('-')) {
-                break
-            }
-            $element.Value
+func genPowerShellComp(buf io.StringWriter, name string, includeDesc bool) {
+	compCmd := ShellCompRequestCmd
+	if !includeDesc {
+		compCmd = ShellCompNoDescRequestCmd
+	}
+	WriteStringAndCheck(buf, fmt.Sprintf(`# powershell completion for %-36[1]s -*- shell-script -*-
+
+function __%[1]s_debug {
+    if ($env:BASH_COMP_DEBUG_FILE) {
+        "$args" | Out-File -Append -FilePath "$env:BASH_COMP_DEBUG_FILE"
+    }
+}
+
+filter __%[1]s_escapeStringWithSpecialChars {
+`+"    $_ -replace '\\s|#|@|\\$|;|,|''|\\{|\\}|\\(|\\)|\"|`|\\||<|>|&','`$&'"+`
+}
+
+Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
+    param(
+            $WordToComplete,
+            $CommandAst,
+            $CursorPosition
+        )
+
+    # Get the current command line and convert into a string
+    $Command = $CommandAst.CommandElements
+    $Command = "$Command"
+
+    __%[1]s_debug ""
+    __%[1]s_debug "========= starting completion logic =========="
+    __%[1]s_debug "WordToComplete: $WordToComplete Command: $Command CursorPosition: $CursorPosition"
+
+    # The user could have moved the cursor backwards on the command-line.
+    # We need to trigger completion from the $CursorPosition location, so we need
+    # to truncate the command-line ($Command) up to the $CursorPosition location.
+    # Make sure the $Command is longer then the $CursorPosition before we truncate.
+    # This happens because the $Command does not include the last space.
+    if ($Command.Length -gt $CursorPosition) {
+        $Command=$Command.Substring(0,$CursorPosition)
+    }
+	__%[1]s_debug "Truncated command: $Command"
+
+    $ShellCompDirectiveError=%[3]d
+    $ShellCompDirectiveNoSpace=%[4]d
+    $ShellCompDirectiveNoFileComp=%[5]d
+    $ShellCompDirectiveFilterFileExt=%[6]d
+    $ShellCompDirectiveFilterDirs=%[7]d
+
+	# Prepare the command to request completions for the program.
+    # Split the command at the first space to separate the program and arguments.
+    $Program,$Arguments = $Command.Split(" ",2)
+    $RequestComp="$Program %[2]s $Arguments"
+    __%[1]s_debug "RequestComp: $RequestComp"
+
+    # we cannot use $WordToComplete because it
+    # has the wrong values if the cursor was moved
+    # so use the last argument
+    if ($WordToComplete -ne "" ) {
+        $WordToComplete = $Arguments.Split(" ")[-1]
+    }
+    __%[1]s_debug "New WordToComplete: $WordToComplete"
+
+
+    # Check for flag with equal sign
+    $IsEqualFlag = ($WordToComplete -Like "--*=*" )
+    if ( $IsEqualFlag ) {
+        __%[1]s_debug "Completing equal sign flag"
+        # Remove the flag part
+        $Flag,$WordToComplete = $WordToComplete.Split("=",2)
+    }
+
+    if ( $WordToComplete -eq "" -And ( -Not $IsEqualFlag )) {
+        # If the last parameter is complete (there is a space following it)
+        # We add an extra empty parameter so we can indicate this to the go method.
+        __%[1]s_debug "Adding extra empty parameter"
+`+"        # We need to use `\"`\" to pass an empty argument a \"\" or '' does not work!!!"+`
+`+"        $RequestComp=\"$RequestComp\" + ' `\"`\"'"+`
+    }
+
+    __%[1]s_debug "Calling $RequestComp"
+    #call the command store the output in $out and redirect stderr and stdout to null
+    # $Out is an array contains each line per element
+    Invoke-Expression -OutVariable out "$RequestComp" 2>&1 | Out-Null
+
+
+    # get directive from last line
+    [int]$Directive = $Out[-1].TrimStart(':')
+    if ($Directive -eq "") {
+        # There is no directive specified
+        $Directive = 0
+    }
+    __%[1]s_debug "The completion directive is: $Directive"
+
+    # remove directive (last element) from out
+    $Out = $Out | Where-Object { $_ -ne $Out[-1] }
+    __%[1]s_debug "The completions are: $Out"
+
+    if (($Directive -band $ShellCompDirectiveError) -ne 0 ) {
+        # Error code.  No completion.
+        __%[1]s_debug "Received error from custom completion go code"
+        return
+    }
+
+    $Longest = 0
+    $Values = $Out | ForEach-Object {
+        #Split the output in name and description
+`+"        $Name, $Description = $_.Split(\"`t\",2)"+`
+        __%[1]s_debug "Name: $Name Description: $Description"
+
+        # Look for the longest completion so that we can format things nicely
+        if ($Longest -lt $Name.Length) {
+            $Longest = $Name.Length
         }
-    ) -join ';'
-    $completions = @(switch ($command) {%s
-    })
-    $completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
-        Sort-Object -Property ListItemText
-}`
 
-func generatePowerShellSubcommandCases(out io.Writer, cmd *Command, previousCommandName string) {
-	var cmdName string
-	if previousCommandName == "" {
-		cmdName = cmd.Name()
-	} else {
-		cmdName = fmt.Sprintf("%s;%s", previousCommandName, cmd.Name())
-	}
+        # Set the description to a one space string if there is none set.
+        # This is needed because the CompletionResult does not accept an empty string as argument
+        if (-Not $Description) {
+            $Description = " "
+        }
+        @{Name="$Name";Description="$Description"}
+    }
 
-	fmt.Fprintf(out, "\n        '%s' {", cmdName)
 
-	cmd.Flags().VisitAll(func(flag *pflag.Flag) {
-		if nonCompletableFlag(flag) {
-			return
-		}
-		usage := escapeStringForPowerShell(flag.Usage)
-		if len(flag.Shorthand) > 0 {
-			fmt.Fprintf(out, "\n            [CompletionResult]::new('-%s', '%s', [CompletionResultType]::ParameterName, '%s')", flag.Shorthand, flag.Shorthand, usage)
-		}
-		fmt.Fprintf(out, "\n            [CompletionResult]::new('--%s', '%s', [CompletionResultType]::ParameterName, '%s')", flag.Name, flag.Name, usage)
-	})
+    $Space = " "
+    if (($Directive -band $ShellCompDirectiveNoSpace) -ne 0 ) {
+        # remove the space here
+        __%[1]s_debug "ShellCompDirectiveNoSpace is called"
+        $Space = ""
+    }
 
-	for _, subCmd := range cmd.Commands() {
-		usage := escapeStringForPowerShell(subCmd.Short)
-		fmt.Fprintf(out, "\n            [CompletionResult]::new('%s', '%s', [CompletionResultType]::ParameterValue, '%s')", subCmd.Name(), subCmd.Name(), usage)
-	}
+    if ((($Directive -band $ShellCompDirectiveFilterFileExt) -ne 0 ) -or
+       (($Directive -band $ShellCompDirectiveFilterDirs) -ne 0 ))  {
+        __%[1]s_debug "ShellCompDirectiveFilterFileExt ShellCompDirectiveFilterDirs are not supported"
 
-	fmt.Fprint(out, "\n            break\n        }")
+        # return here to prevent the completion of the extensions
+        return
+    }
 
-	for _, subCmd := range cmd.Commands() {
-		generatePowerShellSubcommandCases(out, subCmd, cmdName)
-	}
+    $Values = $Values | Where-Object {
+        # filter the result
+        $_.Name -like "$WordToComplete*"
+
+        # Join the flag back if we have an equal sign flag
+        if ( $IsEqualFlag ) {
+            __%[1]s_debug "Join the equal sign flag back to the completion value"
+            $_.Name = $Flag + "=" + $_.Name
+        }
+    }
+
+    if (($Directive -band $ShellCompDirectiveNoFileComp) -ne 0 ) {
+        __%[1]s_debug "ShellCompDirectiveNoFileComp is called"
+
+        if ($Values.Length -eq 0) {
+            # Just print an empty string here so the
+            # shell does not start to complete paths.
+            # We cannot use CompletionResult here because
+            # it does not accept an empty string as argument.
+            ""
+            return
+        }
+    }
+
+    # Get the current mode
+    $Mode = (Get-PSReadLineKeyHandler | Where-Object {$_.Key -eq "Tab" }).Function
+    __%[1]s_debug "Mode: $Mode"
+
+    $Values | ForEach-Object {
+
+        # store temporary because switch will overwrite $_
+        $comp = $_
+
+        # PowerShell supports three different completion modes
+        # - TabCompleteNext (default windows style - on each key press the next option is displayed)
+        # - Complete (works like bash)
+        # - MenuComplete (works like zsh)
+        # You set the mode with Set-PSReadLineKeyHandler -Key Tab -Function <mode>
+
+        # CompletionResult Arguments:
+        # 1) CompletionText text to be used as the auto completion result
+        # 2) ListItemText   text to be displayed in the suggestion list
+        # 3) ResultType     type of completion result
+        # 4) ToolTip        text for the tooltip with details about the object
+
+        switch ($Mode) {
+
+            # bash like
+            "Complete" {
+
+                if ($Values.Length -eq 1) {
+                    __%[1]s_debug "Only one completion left"
+
+                    # insert space after value
+                    [System.Management.Automation.CompletionResult]::new($($comp.Name | __%[1]s_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)")
+
+                } else {
+                    # Add the proper number of spaces to align the descriptions
+                    while($comp.Name.Length -lt $Longest) {
+                        $comp.Name = $comp.Name + " "
+                    }
+
+                    # Check for empty description and only add parentheses if needed
+                    if ($($comp.Description) -eq " " ) {
+                        $Description = ""
+                    } else {
+                        $Description = "  ($($comp.Description))"
+                    }
+
+                    [System.Management.Automation.CompletionResult]::new("$($comp.Name)$Description", "$($comp.Name)$Description", 'ParameterValue', "$($comp.Description)")
+                }
+             }
+
+            # zsh like
+            "MenuComplete" {
+                # insert space after value
+                # MenuComplete will automatically show the ToolTip of
+                # the highlighted value at the bottom of the suggestions.
+                [System.Management.Automation.CompletionResult]::new($($comp.Name | __%[1]s_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)")
+            }
+
+            # TabCompleteNext and in case we get something unknown
+            Default {
+                # Like MenuComplete but we don't want to add a space here because
+                # the user need to press space anyway to get the completion.
+                # Description will not be shown because thats not possible with TabCompleteNext
+                [System.Management.Automation.CompletionResult]::new($($comp.Name | __%[1]s_escapeStringWithSpecialChars), "$($comp.Name)", 'ParameterValue', "$($comp.Description)")
+            }
+        }
+
+    }
+}
+`, name, compCmd,
+		ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
+		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
 }
 
-func escapeStringForPowerShell(s string) string {
-	return strings.Replace(s, "'", "''", -1)
-}
-
-// GenPowerShellCompletion generates PowerShell completion file and writes to the passed writer.
-func (c *Command) GenPowerShellCompletion(w io.Writer) error {
+func (c *Command) genPowerShellCompletion(w io.Writer, includeDesc bool) error {
 	buf := new(bytes.Buffer)
-
-	var subCommandCases bytes.Buffer
-	generatePowerShellSubcommandCases(&subCommandCases, c, "")
-	fmt.Fprintf(buf, powerShellCompletionTemplate, c.Name(), c.Name(), subCommandCases.String())
-
+	genPowerShellComp(buf, c.Name(), includeDesc)
 	_, err := buf.WriteTo(w)
 	return err
 }
 
-// GenPowerShellCompletionFile generates PowerShell completion file.
-func (c *Command) GenPowerShellCompletionFile(filename string) error {
+func (c *Command) genPowerShellCompletionFile(filename string, includeDesc bool) error {
 	outFile, err := os.Create(filename)
 	if err != nil {
 		return err
 	}
 	defer outFile.Close()
 
-	return c.GenPowerShellCompletion(outFile)
+	return c.genPowerShellCompletion(outFile, includeDesc)
+}
+
+// GenPowerShellCompletionFile generates powershell completion file without descriptions.
+func (c *Command) GenPowerShellCompletionFile(filename string) error {
+	return c.genPowerShellCompletionFile(filename, false)
+}
+
+// GenPowerShellCompletion generates powershell completion file without descriptions
+// and writes it to the passed writer.
+func (c *Command) GenPowerShellCompletion(w io.Writer) error {
+	return c.genPowerShellCompletion(w, false)
+}
+
+// GenPowerShellCompletionFileWithDesc generates powershell completion file with descriptions.
+func (c *Command) GenPowerShellCompletionFileWithDesc(filename string) error {
+	return c.genPowerShellCompletionFile(filename, true)
+}
+
+// GenPowerShellCompletionWithDesc generates powershell completion file with descriptions
+// and writes it to the passed writer.
+func (c *Command) GenPowerShellCompletionWithDesc(w io.Writer) error {
+	return c.genPowerShellCompletion(w, true)
 }
diff --git a/vendor/github.com/spf13/cobra/powershell_completions.md b/vendor/github.com/spf13/cobra/powershell_completions.md
index 55f154a68..c449f1e5c 100644
--- a/vendor/github.com/spf13/cobra/powershell_completions.md
+++ b/vendor/github.com/spf13/cobra/powershell_completions.md
@@ -1,16 +1,3 @@
 # Generating PowerShell Completions For Your Own cobra.Command
 
-Cobra can generate PowerShell completion scripts. Users need PowerShell version 5.0 or above, which comes with Windows 10 and can be downloaded separately for Windows 7 or 8.1. They can then write the completions to a file and source this file from their PowerShell profile, which is referenced by the `$Profile` environment variable. See `Get-Help about_Profiles` for more info about PowerShell profiles.
-
-*Note*: PowerShell completions have not (yet?) been aligned to Cobra's generic shell completion support.  This implies the PowerShell completions are not as rich as for other shells (see [What's not yet supported](#whats-not-yet-supported)), and may behave slightly differently.  They are still very useful for PowerShell users.
-
-# What's supported
-
-- Completion for subcommands using their `.Short` description
-- Completion for non-hidden flags using their `.Name` and `.Shorthand`
-
-# What's not yet supported
-
-- Command aliases
-- Required, filename or custom flags (they will work like normal flags)
-- Custom completion scripts
+Please refer to [Shell Completions](shell_completions.md#powershell-completions) for details.
diff --git a/vendor/github.com/spf13/cobra/projects_using_cobra.md b/vendor/github.com/spf13/cobra/projects_using_cobra.md
index 31c272036..d98a71e36 100644
--- a/vendor/github.com/spf13/cobra/projects_using_cobra.md
+++ b/vendor/github.com/spf13/cobra/projects_using_cobra.md
@@ -25,6 +25,8 @@
 - [Moby (former Docker)](https://github.com/moby/moby)
 - [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)
 - [OpenShift](https://www.openshift.com/)
+- [Ory Hydra](https://github.com/ory/hydra)
+- [Ory Kratos](https://github.com/ory/kratos)
 - [Pouch](https://github.com/alibaba/pouch)
 - [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
 - [Prototool](https://github.com/uber/prototool)
@@ -32,4 +34,5 @@
 - [Rclone](https://rclone.org/)
 - [Skaffold](https://skaffold.dev/)
 - [Tendermint](https://github.com/tendermint/tendermint)
+- [Twitch CLI](https://github.com/twitchdev/twitch-cli)
 - [Werf](https://werf.io/)
diff --git a/vendor/github.com/spf13/cobra/shell_completions.md b/vendor/github.com/spf13/cobra/shell_completions.md
index d8416ab1d..4ba06a11c 100644
--- a/vendor/github.com/spf13/cobra/shell_completions.md
+++ b/vendor/github.com/spf13/cobra/shell_completions.md
@@ -4,10 +4,19 @@ Cobra can generate shell completions for multiple shells.
 The currently supported shells are:
 - Bash
 - Zsh
-- Fish
+- fish
 - PowerShell
 
-If you are using the generator you can create a completion command by running
+Cobra will automatically provide your program with a fully functional `completion` command,
+similarly to how it provides the `help` command.
+
+## Creating your own completion command
+
+If you do not wish to use the default `completion` command, you can choose to
+provide your own, which will take precedence over the default one. (This also provides
+backwards-compatibility with programs that already have their own `completion` command.)
+
+If you are using the generator, you can create a completion command by running
 
 ```bash
 cobra add completion
@@ -17,38 +26,46 @@ and then modifying the generated `cmd/completion.go` file to look something like
 
 ```go
 var completionCmd = &cobra.Command{
-	Use:                   "completion [bash|zsh|fish|powershell]",
-	Short:                 "Generate completion script",
+	Use:   "completion [bash|zsh|fish|powershell]",
+	Short: "Generate completion script",
 	Long: `To load completions:
 
 Bash:
 
-$ source <(yourprogram completion bash)
+  $ source <(yourprogram completion bash)
 
-# To load completions for each session, execute once:
-Linux:
+  # To load completions for each session, execute once:
+  # Linux:
   $ yourprogram completion bash > /etc/bash_completion.d/yourprogram
-MacOS:
+  # macOS:
   $ yourprogram completion bash > /usr/local/etc/bash_completion.d/yourprogram
 
 Zsh:
 
-# If shell completion is not already enabled in your environment you will need
-# to enable it.  You can execute the following once:
+  # If shell completion is not already enabled in your environment,
+  # you will need to enable it.  You can execute the following once:
 
-$ echo "autoload -U compinit; compinit" >> ~/.zshrc
+  $ echo "autoload -U compinit; compinit" >> ~/.zshrc
 
-# To load completions for each session, execute once:
-$ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
+  # To load completions for each session, execute once:
+  $ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
 
-# You will need to start a new shell for this setup to take effect.
+  # You will need to start a new shell for this setup to take effect.
 
-Fish:
+fish:
 
-$ yourprogram completion fish | source
+  $ yourprogram completion fish | source
 
-# To load completions for each session, execute once:
-$ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
+  # To load completions for each session, execute once:
+  $ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
+
+PowerShell:
+
+  PS> yourprogram completion powershell | Out-String | Invoke-Expression
+
+  # To load completions for every new session, run:
+  PS> yourprogram completion powershell > yourprogram.ps1
+  # and source this file from your PowerShell profile.
 `,
 	DisableFlagsInUseLine: true,
 	ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
@@ -62,13 +79,33 @@ $ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
 		case "fish":
 			cmd.Root().GenFishCompletion(os.Stdout, true)
 		case "powershell":
-			cmd.Root().GenPowerShellCompletion(os.Stdout)
+			cmd.Root().GenPowerShellCompletionWithDesc(os.Stdout)
 		}
 	},
 }
 ```
 
-**Note:** The cobra generator may include messages printed to stdout for example if the config file is loaded, this will break the auto complete script so must be removed.
+**Note:** The cobra generator may include messages printed to stdout, for example, if the config file is loaded; this will break the auto-completion script so must be removed.
+
+## Adapting the default completion command
+
+Cobra provides a few options for the default `completion` command.  To configure such options you must set
+the `CompletionOptions` field on the *root* command.
+
+To tell Cobra *not* to provide the default `completion` command:
+```
+rootCmd.CompletionOptions.DisableDefaultCmd = true
+```
+
+To tell Cobra *not* to provide the user with the `--no-descriptions` flag to the completion sub-commands:
+```
+rootCmd.CompletionOptions.DisableNoDescFlag = true
+```
+
+To tell Cobra to completely disable descriptions for completions:
+```
+rootCmd.CompletionOptions.DisableDescriptions = true
+```
 
 # Customizing completions
 
@@ -91,8 +128,7 @@ cmd := &cobra.Command{
 	Long:    get_long,
 	Example: get_example,
 	Run: func(cmd *cobra.Command, args []string) {
-		err := RunGet(f, out, cmd, args)
-		util.CheckErr(err)
+		cobra.CheckErr(RunGet(f, out, cmd, args))
 	},
 	ValidArgs: validArgs,
 }
@@ -124,7 +160,7 @@ the completion algorithm if entered manually, e.g. in:
 
 ```bash
 $ kubectl get rc [tab][tab]
-backend        frontend       database 
+backend        frontend       database
 ```
 
 Note that without declaring `rc` as an alias, the completion algorithm would not know to show the list of
@@ -246,7 +282,7 @@ and you'll get something like
 
 ```bash
 $ kubectl exec [tab][tab]
--c            --container=  -p            --pod=  
+-c            --container=  -p            --pod=
 ```
 
 ### Specify dynamic flag completion
@@ -316,7 +352,10 @@ cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string,
 ```
 ### Descriptions for completions
 
-Both `zsh` and `fish` allow for descriptions to annotate completion choices.  For commands and flags, Cobra will provide the descriptions automatically, based on usage information.  For example, using zsh:
+Cobra provides support for completion descriptions.  Such descriptions are supported for each shell
+(however, for bash, it is only available in the [completion V2 version](#bash-completion-v2)).
+For commands and flags, Cobra will provide the descriptions automatically, based on usage information.
+For example, using zsh:
 ```
 $ helm s[tab]
 search  -- search for a keyword in charts
@@ -329,7 +368,7 @@ $ helm s[tab]
 search  (search for a keyword in charts)  show  (show information of a chart)  status  (displays the status of the named release)
 ```
 
-Cobra allows you to add annotations to your own completions.  Simply add the annotation text after each completion, following a `\t` separator.  This technique applies to completions returned by `ValidArgs`, `ValidArgsFunction` and `RegisterFlagCompletionFunc()`.  For example:
+Cobra allows you to add descriptions to your own completions.  Simply add the description text after each completion, following a `\t` separator.  This technique applies to completions returned by `ValidArgs`, `ValidArgsFunction` and `RegisterFlagCompletionFunc()`.  For example:
 ```go
 ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
 	return []string{"harbor\tAn image registry", "thanos\tLong-term metrics"}, cobra.ShellCompDirectiveNoFileComp
@@ -361,12 +400,43 @@ completion     firstcommand   secondcommand
 ```
 ### Bash legacy dynamic completions
 
-For backwards-compatibility, Cobra still supports its bash legacy dynamic completion solution.
+For backward compatibility, Cobra still supports its bash legacy dynamic completion solution.
 Please refer to [Bash Completions](bash_completions.md) for details.
 
+### Bash completion V2
+
+Cobra provides two versions for bash completion.  The original bash completion (which started it all!) can be used by calling
+`GenBashCompletion()` or `GenBashCompletionFile()`.
+
+A new V2 bash completion version is also available.  This version can be used by calling `GenBashCompletionV2()` or
+`GenBashCompletionFileV2()`.  The V2 version does **not** support the legacy dynamic completion
+(see [Bash Completions](bash_completions.md)) but instead works only with the Go dynamic completion
+solution described in this document.
+Unless your program already uses the legacy dynamic completion solution, it is recommended that you use the bash
+completion V2 solution which provides the following extra features:
+- Supports completion descriptions (like the other shells)
+- Small completion script of less than 300 lines (v1 generates scripts of thousands of lines; `kubectl` for example has a bash v1 completion script of over 13K lines)
+- Streamlined user experience thanks to a completion behavior aligned with the other shells 
+
+`Bash` completion V2 supports descriptions for completions. When calling `GenBashCompletionV2()` or `GenBashCompletionFileV2()`
+you must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra
+will provide the description automatically based on usage information.  You can choose to make this option configurable by
+your users.
+
+```
+# With descriptions
+$ helm s[tab][tab]
+search  (search for a keyword in charts)           status  (display the status of the named release)
+show    (show information of a chart)
+
+# Without descriptions
+$ helm s[tab][tab]
+search  show  status
+```
+**Note**: Cobra's default `completion` command uses bash completion V2.  If for some reason you need to use bash completion V1, you will need to implement your own `completion` command. 
 ## Zsh completions
 
-Cobra supports native Zsh completion generated from the root `cobra.Command`.
+Cobra supports native zsh completion generated from the root `cobra.Command`.
 The generated completion script should be put somewhere in your `$fpath` and be named
 `_<yourProgram>`.  You will need to start a new shell for the completions to become available.
 
@@ -385,23 +455,23 @@ status  -- displays the status of the named release
 $ helm s[tab]
 search  show  status
 ```
-*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`.
+*Note*: Because of backward-compatibility requirements, we were forced to have a different API to disable completion descriptions between `zsh` and `fish`.
 
 ### Limitations
 
 * Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `zsh` (including the use of the `BashCompCustom` flag annotation).
-  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`).
+  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
 * The function `MarkFlagCustom()` is not supported and will be ignored for `zsh`.
   * You should instead use `RegisterFlagCompletionFunc()`.
 
 ### Zsh completions standardization
 
-Cobra 1.1 standardized its zsh completion support to align it with its other shell completions.  Although the API was kept backwards-compatible, some small changes in behavior were introduced.
+Cobra 1.1 standardized its zsh completion support to align it with its other shell completions.  Although the API was kept backward-compatible, some small changes in behavior were introduced.
 Please refer to [Zsh Completions](zsh_completions.md) for details.
 
-## Fish completions
+## fish completions
 
-Cobra supports native Fish completions generated from the root `cobra.Command`.  You can use the `command.GenFishCompletion()` or `command.GenFishCompletionFile()` functions. You must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra will provide the description automatically based on usage information.  You can choose to make this option configurable by your users.
+Cobra supports native fish completions generated from the root `cobra.Command`.  You can use the `command.GenFishCompletion()` or `command.GenFishCompletionFile()` functions. You must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra will provide the description automatically based on usage information.  You can choose to make this option configurable by your users.
 ```
 # With descriptions
 $ helm s[tab]
@@ -411,12 +481,12 @@ search  (search for a keyword in charts)  show  (show information of a chart)  s
 $ helm s[tab]
 search  show  status
 ```
-*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`.
+*Note*: Because of backward-compatibility requirements, we were forced to have a different API to disable completion descriptions between `zsh` and `fish`.
 
 ### Limitations
 
-* Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation).
-  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`).
+* Custom completions implemented in bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation).
+  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
 * The function `MarkFlagCustom()` is not supported and will be ignored for `fish`.
   * You should instead use `RegisterFlagCompletionFunc()`.
 * The following flag completion annotations are not supported and will be ignored for `fish`:
@@ -431,4 +501,46 @@ search  show  status
 
 ## PowerShell completions
 
-Please refer to [PowerShell Completions](powershell_completions.md) for details.
+Cobra supports native PowerShell completions generated from the root `cobra.Command`. You can use the `command.GenPowerShellCompletion()` or `command.GenPowerShellCompletionFile()` functions. To include descriptions use `command.GenPowerShellCompletionWithDesc()` and `command.GenPowerShellCompletionFileWithDesc()`. Cobra will provide the description automatically based on usage information. You can choose to make this option configurable by your users.
+
+The script is designed to support all three PowerShell completion modes:
+
+* TabCompleteNext (default windows style - on each key press the next option is displayed)
+* Complete (works like bash)
+* MenuComplete (works like zsh)
+
+You set the mode with `Set-PSReadLineKeyHandler -Key Tab -Function <mode>`. Descriptions are only displayed when using the `Complete` or `MenuComplete` mode.
+
+Users need PowerShell version 5.0 or above, which comes with Windows 10 and can be downloaded separately for Windows 7 or 8.1. They can then write the completions to a file and source this file from their PowerShell profile, which is referenced by the `$Profile` environment variable. See `Get-Help about_Profiles` for more info about PowerShell profiles.
+
+```
+# With descriptions and Mode 'Complete'
+$ helm s[tab]
+search  (search for a keyword in charts)  show  (show information of a chart)  status  (displays the status of the named release)
+
+# With descriptions and Mode 'MenuComplete' The description of the current selected value will be displayed below the suggestions.
+$ helm s[tab]
+search    show     status  
+
+search for a keyword in charts
+
+# Without descriptions
+$ helm s[tab]
+search  show  status
+```
+
+### Limitations
+
+* Custom completions implemented in bash scripting (legacy) are not supported and will be ignored for `powershell` (including the use of the `BashCompCustom` flag annotation).
+  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
+* The function `MarkFlagCustom()` is not supported and will be ignored for `powershell`.
+  * You should instead use `RegisterFlagCompletionFunc()`.
+* The following flag completion annotations are not supported and will be ignored for `powershell`:
+  * `BashCompFilenameExt` (filtering by file extension)
+  * `BashCompSubdirsInDir` (filtering by directory)
+* The functions corresponding to the above annotations are consequently not supported and will be ignored for `powershell`:
+  * `MarkFlagFilename()` and `MarkPersistentFlagFilename()` (filtering by file extension)
+  * `MarkFlagDirname()` and `MarkPersistentFlagDirname()` (filtering by directory)
+* Similarly, the following completion directives are not supported and will be ignored for `powershell`:
+  * `ShellCompDirectiveFilterFileExt` (filtering by file extension)
+  * `ShellCompDirectiveFilterDirs` (filtering by directory)
diff --git a/vendor/github.com/spf13/cobra/user_guide.md b/vendor/github.com/spf13/cobra/user_guide.md
new file mode 100644
index 000000000..311abce28
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/user_guide.md
@@ -0,0 +1,637 @@
+# User Guide
+
+While you are welcome to provide your own organization, typically a Cobra-based
+application will follow the following organizational structure:
+
+```
+  ▾ appName/
+    ▾ cmd/
+        add.go
+        your.go
+        commands.go
+        here.go
+      main.go
+```
+
+In a Cobra app, typically the main.go file is very bare. It serves one purpose: initializing Cobra.
+
+```go
+package main
+
+import (
+  "{pathToYourApp}/cmd"
+)
+
+func main() {
+  cmd.Execute()
+}
+```
+
+## Using the Cobra Generator
+
+Cobra provides its own program that will create your application and add any
+commands you want. It's the easiest way to incorporate Cobra into your application.
+
+[Here](https://github.com/spf13/cobra/blob/master/cobra/README.md) you can find more information about it.
+
+## Using the Cobra Library
+
+To manually implement Cobra you need to create a bare main.go file and a rootCmd file.
+You will optionally provide additional commands as you see fit.
+
+### Create rootCmd
+
+Cobra doesn't require any special constructors. Simply create your commands.
+
+Ideally you place this in app/cmd/root.go:
+
+```go
+var rootCmd = &cobra.Command{
+  Use:   "hugo",
+  Short: "Hugo is a very fast static site generator",
+  Long: `A Fast and Flexible Static Site Generator built with
+                love by spf13 and friends in Go.
+                Complete documentation is available at http://hugo.spf13.com`,
+  Run: func(cmd *cobra.Command, args []string) {
+    // Do Stuff Here
+  },
+}
+
+func Execute() {
+  if err := rootCmd.Execute(); err != nil {
+    fmt.Fprintln(os.Stderr, err)
+    os.Exit(1)
+  }
+}
+```
+
+You will additionally define flags and handle configuration in your init() function.
+
+For example cmd/root.go:
+
+```go
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	// Used for flags.
+	cfgFile     string
+	userLicense string
+
+	rootCmd = &cobra.Command{
+		Use:   "cobra",
+		Short: "A generator for Cobra based Applications",
+		Long: `Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+	}
+)
+
+// Execute executes the root command.
+func Execute() error {
+	return rootCmd.Execute()
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)")
+	rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution")
+	rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "name of license for the project")
+	rootCmd.PersistentFlags().Bool("viper", true, "use Viper for configuration")
+	viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
+	viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper"))
+	viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
+	viper.SetDefault("license", "apache")
+
+	rootCmd.AddCommand(addCmd)
+	rootCmd.AddCommand(initCmd)
+}
+
+func initConfig() {
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	} else {
+		// Find home directory.
+		home, err := os.UserHomeDir()
+		cobra.CheckErr(err)
+
+		// Search config in home directory with name ".cobra" (without extension).
+		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
+		viper.SetConfigName(".cobra")
+	}
+
+	viper.AutomaticEnv()
+
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	}
+}
+```
+
+### Create your main.go
+
+With the root command you need to have your main function execute it.
+Execute should be run on the root for clarity, though it can be called on any command.
+
+In a Cobra app, typically the main.go file is very bare. It serves one purpose: to initialize Cobra.
+
+```go
+package main
+
+import (
+  "{pathToYourApp}/cmd"
+)
+
+func main() {
+  cmd.Execute()
+}
+```
+
+### Create additional commands
+
+Additional commands can be defined and typically are each given their own file
+inside of the cmd/ directory.
+
+If you wanted to create a version command you would create cmd/version.go and
+populate it with the following:
+
+```go
+package cmd
+
+import (
+  "fmt"
+
+  "github.com/spf13/cobra"
+)
+
+func init() {
+  rootCmd.AddCommand(versionCmd)
+}
+
+var versionCmd = &cobra.Command{
+  Use:   "version",
+  Short: "Print the version number of Hugo",
+  Long:  `All software has versions. This is Hugo's`,
+  Run: func(cmd *cobra.Command, args []string) {
+    fmt.Println("Hugo Static Site Generator v0.9 -- HEAD")
+  },
+}
+```
+
+### Returning and handling errors
+
+If you wish to return an error to the caller of a command, `RunE` can be used.
+
+```go
+package cmd
+
+import (
+  "fmt"
+
+  "github.com/spf13/cobra"
+)
+
+func init() {
+  rootCmd.AddCommand(tryCmd)
+}
+
+var tryCmd = &cobra.Command{
+  Use:   "try",
+  Short: "Try and possibly fail at something",
+  RunE: func(cmd *cobra.Command, args []string) error {
+    if err := someFunc(); err != nil {
+	return err
+    }
+    return nil
+  },
+}
+```
+
+The error can then be caught at the execute function call.
+
+## Working with Flags
+
+Flags provide modifiers to control how the action command operates.
+
+### Assign flags to a command
+
+Since the flags are defined and used in different locations, we need to
+define a variable outside with the correct scope to assign the flag to
+work with.
+
+```go
+var Verbose bool
+var Source string
+```
+
+There are two different approaches to assign a flag.
+
+### Persistent Flags
+
+A flag can be 'persistent', meaning that this flag will be available to the
+command it's assigned to as well as every command under that command. For
+global flags, assign a flag as a persistent flag on the root.
+
+```go
+rootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose output")
+```
+
+### Local Flags
+
+A flag can also be assigned locally, which will only apply to that specific command.
+
+```go
+localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
+```
+
+### Local Flag on Parent Commands
+
+By default, Cobra only parses local flags on the target command, and any local flags on
+parent commands are ignored. By enabling `Command.TraverseChildren`, Cobra will
+parse local flags on each command before executing the target command.
+
+```go
+command := cobra.Command{
+  Use: "print [OPTIONS] [COMMANDS]",
+  TraverseChildren: true,
+}
+```
+
+### Bind Flags with Config
+
+You can also bind your flags with [viper](https://github.com/spf13/viper):
+```go
+var author string
+
+func init() {
+  rootCmd.PersistentFlags().StringVar(&author, "author", "YOUR NAME", "Author name for copyright attribution")
+  viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
+}
+```
+
+In this example, the persistent flag `author` is bound with `viper`.
+**Note**: the variable `author` will not be set to the value from config,
+when the `--author` flag is not provided by user.
+
+More in [viper documentation](https://github.com/spf13/viper#working-with-flags).
+
+### Required flags
+
+Flags are optional by default. If instead you wish your command to report an error
+when a flag has not been set, mark it as required:
+```go
+rootCmd.Flags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
+rootCmd.MarkFlagRequired("region")
+```
+
+Or, for persistent flags:
+```go
+rootCmd.PersistentFlags().StringVarP(&Region, "region", "r", "", "AWS region (required)")
+rootCmd.MarkPersistentFlagRequired("region")
+```
+
+## Positional and Custom Arguments
+
+Validation of positional arguments can be specified using the `Args` field
+of `Command`.
+
+The following validators are built in:
+
+- `NoArgs` - the command will report an error if there are any positional args.
+- `ArbitraryArgs` - the command will accept any args.
+- `OnlyValidArgs` - the command will report an error if there are any positional args that are not in the `ValidArgs` field of `Command`.
+- `MinimumNArgs(int)` - the command will report an error if there are not at least N positional args.
+- `MaximumNArgs(int)` - the command will report an error if there are more than N positional args.
+- `ExactArgs(int)` - the command will report an error if there are not exactly N positional args.
+- `ExactValidArgs(int)` - the command will report an error if there are not exactly N positional args OR if there are any positional args that are not in the `ValidArgs` field of `Command`
+- `RangeArgs(min, max)` - the command will report an error if the number of args is not between the minimum and maximum number of expected args.
+
+An example of setting the custom validator:
+
+```go
+var cmd = &cobra.Command{
+  Short: "hello",
+  Args: func(cmd *cobra.Command, args []string) error {
+    if len(args) < 1 {
+      return errors.New("requires a color argument")
+    }
+    if myapp.IsValidColor(args[0]) {
+      return nil
+    }
+    return fmt.Errorf("invalid color specified: %s", args[0])
+  },
+  Run: func(cmd *cobra.Command, args []string) {
+    fmt.Println("Hello, World!")
+  },
+}
+```
+
+## Example
+
+In the example below, we have defined three commands. Two are at the top level
+and one (cmdTimes) is a child of one of the top commands. In this case the root
+is not executable, meaning that a subcommand is required. This is accomplished
+by not providing a 'Run' for the 'rootCmd'.
+
+We have only defined one flag for a single command.
+
+More documentation about flags is available at https://github.com/spf13/pflag
+
+```go
+package main
+
+import (
+  "fmt"
+  "strings"
+
+  "github.com/spf13/cobra"
+)
+
+func main() {
+  var echoTimes int
+
+  var cmdPrint = &cobra.Command{
+    Use:   "print [string to print]",
+    Short: "Print anything to the screen",
+    Long: `print is for printing anything back to the screen.
+For many years people have printed back to the screen.`,
+    Args: cobra.MinimumNArgs(1),
+    Run: func(cmd *cobra.Command, args []string) {
+      fmt.Println("Print: " + strings.Join(args, " "))
+    },
+  }
+
+  var cmdEcho = &cobra.Command{
+    Use:   "echo [string to echo]",
+    Short: "Echo anything to the screen",
+    Long: `echo is for echoing anything back.
+Echo works a lot like print, except it has a child command.`,
+    Args: cobra.MinimumNArgs(1),
+    Run: func(cmd *cobra.Command, args []string) {
+      fmt.Println("Echo: " + strings.Join(args, " "))
+    },
+  }
+
+  var cmdTimes = &cobra.Command{
+    Use:   "times [string to echo]",
+    Short: "Echo anything to the screen more times",
+    Long: `echo things multiple times back to the user by providing
+a count and a string.`,
+    Args: cobra.MinimumNArgs(1),
+    Run: func(cmd *cobra.Command, args []string) {
+      for i := 0; i < echoTimes; i++ {
+        fmt.Println("Echo: " + strings.Join(args, " "))
+      }
+    },
+  }
+
+  cmdTimes.Flags().IntVarP(&echoTimes, "times", "t", 1, "times to echo the input")
+
+  var rootCmd = &cobra.Command{Use: "app"}
+  rootCmd.AddCommand(cmdPrint, cmdEcho)
+  cmdEcho.AddCommand(cmdTimes)
+  rootCmd.Execute()
+}
+```
+
+For a more complete example of a larger application, please checkout [Hugo](http://gohugo.io/).
+
+## Help Command
+
+Cobra automatically adds a help command to your application when you have subcommands.
+This will be called when a user runs 'app help'. Additionally, help will also
+support all other commands as input. Say, for instance, you have a command called
+'create' without any additional configuration; Cobra will work when 'app help
+create' is called.  Every command will automatically have the '--help' flag added.
+
+### Example
+
+The following output is automatically generated by Cobra. Nothing beyond the
+command and flag definitions are needed.
+
+    $ cobra help
+
+    Cobra is a CLI library for Go that empowers applications.
+    This application is a tool to generate the needed files
+    to quickly create a Cobra application.
+
+    Usage:
+      cobra [command]
+
+    Available Commands:
+      add         Add a command to a Cobra Application
+      help        Help about any command
+      init        Initialize a Cobra Application
+
+    Flags:
+      -a, --author string    author name for copyright attribution (default "YOUR NAME")
+          --config string    config file (default is $HOME/.cobra.yaml)
+      -h, --help             help for cobra
+      -l, --license string   name of license for the project
+          --viper            use Viper for configuration (default true)
+
+    Use "cobra [command] --help" for more information about a command.
+
+
+Help is just a command like any other. There is no special logic or behavior
+around it. In fact, you can provide your own if you want.
+
+### Defining your own help
+
+You can provide your own Help command or your own template for the default command to use
+with following functions:
+
+```go
+cmd.SetHelpCommand(cmd *Command)
+cmd.SetHelpFunc(f func(*Command, []string))
+cmd.SetHelpTemplate(s string)
+```
+
+The latter two will also apply to any children commands.
+
+## Usage Message
+
+When the user provides an invalid flag or invalid command, Cobra responds by
+showing the user the 'usage'.
+
+### Example
+You may recognize this from the help above. That's because the default help
+embeds the usage as part of its output.
+
+    $ cobra --invalid
+    Error: unknown flag: --invalid
+    Usage:
+      cobra [command]
+
+    Available Commands:
+      add         Add a command to a Cobra Application
+      help        Help about any command
+      init        Initialize a Cobra Application
+
+    Flags:
+      -a, --author string    author name for copyright attribution (default "YOUR NAME")
+          --config string    config file (default is $HOME/.cobra.yaml)
+      -h, --help             help for cobra
+      -l, --license string   name of license for the project
+          --viper            use Viper for configuration (default true)
+
+    Use "cobra [command] --help" for more information about a command.
+
+### Defining your own usage
+You can provide your own usage function or template for Cobra to use.
+Like help, the function and template are overridable through public methods:
+
+```go
+cmd.SetUsageFunc(f func(*Command) error)
+cmd.SetUsageTemplate(s string)
+```
+
+## Version Flag
+
+Cobra adds a top-level '--version' flag if the Version field is set on the root command.
+Running an application with the '--version' flag will print the version to stdout using
+the version template. The template can be customized using the
+`cmd.SetVersionTemplate(s string)` function.
+
+## PreRun and PostRun Hooks
+
+It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`.  The `Persistent*Run` functions will be inherited by children if they do not declare their own.  These functions are run in the following order:
+
+- `PersistentPreRun`
+- `PreRun`
+- `Run`
+- `PostRun`
+- `PersistentPostRun`
+
+An example of two commands which use all of these features is below.  When the subcommand is executed, it will run the root command's `PersistentPreRun` but not the root command's `PersistentPostRun`:
+
+```go
+package main
+
+import (
+  "fmt"
+
+  "github.com/spf13/cobra"
+)
+
+func main() {
+
+  var rootCmd = &cobra.Command{
+    Use:   "root [sub]",
+    Short: "My root command",
+    PersistentPreRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside rootCmd PersistentPreRun with args: %v\n", args)
+    },
+    PreRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside rootCmd PreRun with args: %v\n", args)
+    },
+    Run: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside rootCmd Run with args: %v\n", args)
+    },
+    PostRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside rootCmd PostRun with args: %v\n", args)
+    },
+    PersistentPostRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside rootCmd PersistentPostRun with args: %v\n", args)
+    },
+  }
+
+  var subCmd = &cobra.Command{
+    Use:   "sub [no options!]",
+    Short: "My subcommand",
+    PreRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside subCmd PreRun with args: %v\n", args)
+    },
+    Run: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside subCmd Run with args: %v\n", args)
+    },
+    PostRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside subCmd PostRun with args: %v\n", args)
+    },
+    PersistentPostRun: func(cmd *cobra.Command, args []string) {
+      fmt.Printf("Inside subCmd PersistentPostRun with args: %v\n", args)
+    },
+  }
+
+  rootCmd.AddCommand(subCmd)
+
+  rootCmd.SetArgs([]string{""})
+  rootCmd.Execute()
+  fmt.Println()
+  rootCmd.SetArgs([]string{"sub", "arg1", "arg2"})
+  rootCmd.Execute()
+}
+```
+
+Output:
+```
+Inside rootCmd PersistentPreRun with args: []
+Inside rootCmd PreRun with args: []
+Inside rootCmd Run with args: []
+Inside rootCmd PostRun with args: []
+Inside rootCmd PersistentPostRun with args: []
+
+Inside rootCmd PersistentPreRun with args: [arg1 arg2]
+Inside subCmd PreRun with args: [arg1 arg2]
+Inside subCmd Run with args: [arg1 arg2]
+Inside subCmd PostRun with args: [arg1 arg2]
+Inside subCmd PersistentPostRun with args: [arg1 arg2]
+```
+
+## Suggestions when "unknown command" happens
+
+Cobra will print automatic suggestions when "unknown command" errors happen. This allows Cobra to behave similarly to the `git` command when a typo happens. For example:
+
+```
+$ hugo srever
+Error: unknown command "srever" for "hugo"
+
+Did you mean this?
+        server
+
+Run 'hugo --help' for usage.
+```
+
+Suggestions are automatic based on every subcommand registered and use an implementation of [Levenshtein distance](http://en.wikipedia.org/wiki/Levenshtein_distance). Every registered command that matches a minimum distance of 2 (ignoring case) will be displayed as a suggestion.
+
+If you need to disable suggestions or tweak the string distance in your command, use:
+
+```go
+command.DisableSuggestions = true
+```
+
+or
+
+```go
+command.SuggestionsMinimumDistance = 1
+```
+
+You can also explicitly set names for which a given command will be suggested using the `SuggestFor` attribute. This allows suggestions for strings that are not close in terms of string distance, but makes sense in your set of commands and for some which you don't want aliases. Example:
+
+```
+$ kubectl remove
+Error: unknown command "remove" for "kubectl"
+
+Did you mean this?
+        delete
+
+Run 'kubectl help' for usage.
+```
+
+## Generating documentation for your command
+
+Cobra can generate documentation based on subcommands, flags, etc. Read more about it in the [docs generation documentation](doc/README.md).
+
+## Generating shell completions
+
+Cobra can generate a shell-completion file for the following shells: bash, zsh, fish, PowerShell. If you add more information to your commands, these completions can be amazingly powerful and flexible.  Read more about it in [Shell Completions](shell_completions.md).
diff --git a/vendor/github.com/spf13/cobra/zsh_completions.go b/vendor/github.com/spf13/cobra/zsh_completions.go
index 92a70394a..1afec30ea 100644
--- a/vendor/github.com/spf13/cobra/zsh_completions.go
+++ b/vendor/github.com/spf13/cobra/zsh_completions.go
@@ -70,12 +70,12 @@ func (c *Command) genZshCompletion(w io.Writer, includeDesc bool) error {
 	return err
 }
 
-func genZshComp(buf *bytes.Buffer, name string, includeDesc bool) {
+func genZshComp(buf io.StringWriter, name string, includeDesc bool) {
 	compCmd := ShellCompRequestCmd
 	if !includeDesc {
 		compCmd = ShellCompNoDescRequestCmd
 	}
-	buf.WriteString(fmt.Sprintf(`#compdef _%[1]s %[1]s
+	WriteStringAndCheck(buf, fmt.Sprintf(`#compdef _%[1]s %[1]s
 
 # zsh completion for %-36[1]s -*- shell-script -*-
 
@@ -95,7 +95,7 @@ _%[1]s()
     local shellCompDirectiveFilterFileExt=%[6]d
     local shellCompDirectiveFilterDirs=%[7]d
 
-    local lastParam lastChar flagPrefix requestComp out directive compCount comp lastComp
+    local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace
     local -a completions
 
     __%[1]s_debug "\n========= starting completion logic =========="
@@ -163,7 +163,6 @@ _%[1]s()
         return
     fi
 
-    compCount=0
     while IFS='\n' read -r comp; do
         if [ -n "$comp" ]; then
             # If requested, completions are returned with a description.
@@ -175,13 +174,17 @@ _%[1]s()
             local tab=$(printf '\t')
             comp=${comp//$tab/:}
 
-            ((compCount++))
             __%[1]s_debug "Adding completion: ${comp}"
             completions+=${comp}
             lastComp=$comp
         fi
     done < <(printf "%%s\n" "${out[@]}")
 
+    if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
+        __%[1]s_debug "Activating nospace."
+        noSpace="-S ''"
+    fi
+
     if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
         # File extension filtering
         local filteringCmd
@@ -208,25 +211,40 @@ _%[1]s()
             __%[1]s_debug "Listing directories in ."
         fi
 
+        local result
         _arguments '*:dirname:_files -/'" ${flagPrefix}"
+        result=$?
         if [ -n "$subdir" ]; then
             popd >/dev/null 2>&1
         fi
-    elif [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ] && [ ${compCount} -eq 1 ]; then
-        __%[1]s_debug "Activating nospace."
-        # We can use compadd here as there is no description when
-        # there is only one completion.
-        compadd -S '' "${lastComp}"
-    elif [ ${compCount} -eq 0 ]; then
-        if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
-            __%[1]s_debug "deactivating file completion"
-        else
-            # Perform file completion
-            __%[1]s_debug "activating file completion"
-            _arguments '*:filename:_files'" ${flagPrefix}"
-        fi
+        return $result
     else
-        _describe "completions" completions $(echo $flagPrefix)
+        __%[1]s_debug "Calling _describe"
+        if eval _describe "completions" completions $flagPrefix $noSpace; then
+            __%[1]s_debug "_describe found some completions"
+
+            # Return the success of having called _describe
+            return 0
+        else
+            __%[1]s_debug "_describe did not find completions."
+            __%[1]s_debug "Checking if we should do file completion."
+            if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
+                __%[1]s_debug "deactivating file completion"
+
+                # We must return an error code here to let zsh know that there were no
+                # completions found by _describe; this is what will trigger other
+                # matching algorithms to attempt to find completions.
+                # For example zsh can match letters in the middle of words.
+                return 1
+            else
+                # Perform file completion
+                __%[1]s_debug "Activating file completion"
+
+                # We must return the result of this command, so it must be the
+                # last command, or else we must store its result to return it.
+                _arguments '*:filename:_files'" ${flagPrefix}"
+            fi
+        fi
     fi
 }
 
diff --git a/vendor/github.com/spf13/jwalterweatherman/.gitignore b/vendor/github.com/spf13/jwalterweatherman/.gitignore
index 00268614f..a71f88af8 100644
--- a/vendor/github.com/spf13/jwalterweatherman/.gitignore
+++ b/vendor/github.com/spf13/jwalterweatherman/.gitignore
@@ -20,3 +20,5 @@ _cgo_export.*
 _testmain.go
 
 *.exe
+*.bench
+go.sum
\ No newline at end of file
diff --git a/vendor/github.com/spf13/jwalterweatherman/default_notepad.go b/vendor/github.com/spf13/jwalterweatherman/default_notepad.go
index bcb763403..a018c15c4 100644
--- a/vendor/github.com/spf13/jwalterweatherman/default_notepad.go
+++ b/vendor/github.com/spf13/jwalterweatherman/default_notepad.go
@@ -64,6 +64,13 @@ func SetStdoutThreshold(threshold Threshold) {
 	reloadDefaultNotepad()
 }
 
+// SetStdoutOutput set the stdout output for the default notepad. Default is stdout.
+func SetStdoutOutput(handle io.Writer) {
+	defaultNotepad.outHandle = handle
+	defaultNotepad.init()
+	reloadDefaultNotepad()
+}
+
 // SetPrefix set the prefix for the default logger. Empty by default.
 func SetPrefix(prefix string) {
 	defaultNotepad.SetPrefix(prefix)
@@ -76,6 +83,13 @@ func SetFlags(flags int) {
 	reloadDefaultNotepad()
 }
 
+// SetLogListeners configures the default logger with one or more log listeners.
+func SetLogListeners(l ...LogListener) {
+	defaultNotepad.logListeners = l
+	defaultNotepad.init()
+	reloadDefaultNotepad()
+}
+
 // Level returns the current global log threshold.
 func LogThreshold() Threshold {
 	return defaultNotepad.logThreshold
@@ -95,19 +109,3 @@ func GetLogThreshold() Threshold {
 func GetStdoutThreshold() Threshold {
 	return defaultNotepad.GetStdoutThreshold()
 }
-
-// LogCountForLevel returns the number of log invocations for a given threshold.
-func LogCountForLevel(l Threshold) uint64 {
-	return defaultNotepad.LogCountForLevel(l)
-}
-
-// LogCountForLevelsGreaterThanorEqualTo returns the number of log invocations
-// greater than or equal to a given threshold.
-func LogCountForLevelsGreaterThanorEqualTo(threshold Threshold) uint64 {
-	return defaultNotepad.LogCountForLevelsGreaterThanorEqualTo(threshold)
-}
-
-// ResetLogCounters resets the invocation counters for all levels.
-func ResetLogCounters() {
-	defaultNotepad.ResetLogCounters()
-}
diff --git a/vendor/github.com/spf13/jwalterweatherman/go.mod b/vendor/github.com/spf13/jwalterweatherman/go.mod
index bce549c04..1dbcfd3e8 100644
--- a/vendor/github.com/spf13/jwalterweatherman/go.mod
+++ b/vendor/github.com/spf13/jwalterweatherman/go.mod
@@ -1 +1,7 @@
 module github.com/spf13/jwalterweatherman
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/testify v1.2.2
+)
diff --git a/vendor/github.com/spf13/jwalterweatherman/log_counter.go b/vendor/github.com/spf13/jwalterweatherman/log_counter.go
index 11423ac41..41285f3dc 100644
--- a/vendor/github.com/spf13/jwalterweatherman/log_counter.go
+++ b/vendor/github.com/spf13/jwalterweatherman/log_counter.go
@@ -6,50 +6,41 @@
 package jwalterweatherman
 
 import (
+	"io"
 	"sync/atomic"
 )
 
-type logCounter struct {
-	counter uint64
+// Counter is an io.Writer that increments a counter on Write.
+type Counter struct {
+	count uint64
 }
 
-func (c *logCounter) incr() {
-	atomic.AddUint64(&c.counter, 1)
+func (c *Counter) incr() {
+	atomic.AddUint64(&c.count, 1)
 }
 
-func (c *logCounter) resetCounter() {
-	atomic.StoreUint64(&c.counter, 0)
+// Reset resets the counter.
+func (c *Counter) Reset() {
+	atomic.StoreUint64(&c.count, 0)
 }
 
-func (c *logCounter) getCount() uint64 {
-	return atomic.LoadUint64(&c.counter)
+// Count returns the current count.
+func (c *Counter) Count() uint64 {
+	return atomic.LoadUint64(&c.count)
 }
 
-func (c *logCounter) Write(p []byte) (n int, err error) {
+func (c *Counter) Write(p []byte) (n int, err error) {
 	c.incr()
 	return len(p), nil
 }
 
-// LogCountForLevel returns the number of log invocations for a given threshold.
-func (n *Notepad) LogCountForLevel(l Threshold) uint64 {
-	return n.logCounters[l].getCount()
-}
-
-// LogCountForLevelsGreaterThanorEqualTo returns the number of log invocations
-// greater than or equal to a given threshold.
-func (n *Notepad) LogCountForLevelsGreaterThanorEqualTo(threshold Threshold) uint64 {
-	var cnt uint64
-
-	for i := int(threshold); i < len(n.logCounters); i++ {
-		cnt += n.LogCountForLevel(Threshold(i))
-	}
-
-	return cnt
-}
-
-// ResetLogCounters resets the invocation counters for all levels.
-func (n *Notepad) ResetLogCounters() {
-	for _, np := range n.logCounters {
-		np.resetCounter()
+// LogCounter creates a LogListener that counts log statements >= the given threshold.
+func LogCounter(counter *Counter, t1 Threshold) LogListener {
+	return func(t2 Threshold) io.Writer {
+		if t2 < t1 {
+			// Not interested in this threshold.
+			return nil
+		}
+		return counter
 	}
 }
diff --git a/vendor/github.com/spf13/jwalterweatherman/notepad.go b/vendor/github.com/spf13/jwalterweatherman/notepad.go
index ae5aaf711..cc7957bf7 100644
--- a/vendor/github.com/spf13/jwalterweatherman/notepad.go
+++ b/vendor/github.com/spf13/jwalterweatherman/notepad.go
@@ -8,6 +8,7 @@ package jwalterweatherman
 import (
 	"fmt"
 	"io"
+	"io/ioutil"
 	"log"
 )
 
@@ -58,13 +59,28 @@ type Notepad struct {
 	prefix          string
 	flags           int
 
-	// One per Threshold
-	logCounters [7]*logCounter
+	logListeners []LogListener
 }
 
-// NewNotepad create a new notepad.
-func NewNotepad(outThreshold Threshold, logThreshold Threshold, outHandle, logHandle io.Writer, prefix string, flags int) *Notepad {
-	n := &Notepad{}
+// A LogListener can ble supplied to a Notepad to listen on log writes for a given
+// threshold. This can be used to capture log events in unit tests and similar.
+// Note that this function will be invoked once for each log threshold. If
+// the given threshold is not of interest to you, return nil.
+// Note that these listeners will receive log events for a given threshold, even
+// if the current configuration says not to log it. That way you can count ERRORs even
+// if you don't print them to the console.
+type LogListener func(t Threshold) io.Writer
+
+// NewNotepad creates a new Notepad.
+func NewNotepad(
+	outThreshold Threshold,
+	logThreshold Threshold,
+	outHandle, logHandle io.Writer,
+	prefix string, flags int,
+	logListeners ...LogListener,
+) *Notepad {
+
+	n := &Notepad{logListeners: logListeners}
 
 	n.loggers = [7]**log.Logger{&n.TRACE, &n.DEBUG, &n.INFO, &n.WARN, &n.ERROR, &n.CRITICAL, &n.FATAL}
 	n.outHandle = outHandle
@@ -95,28 +111,43 @@ func (n *Notepad) init() {
 
 	for t, logger := range n.loggers {
 		threshold := Threshold(t)
-		counter := &logCounter{}
-		n.logCounters[t] = counter
 		prefix := n.prefix + threshold.String() + " "
 
 		switch {
 		case threshold >= n.logThreshold && threshold >= n.stdoutThreshold:
-			*logger = log.New(io.MultiWriter(counter, logAndOut), prefix, n.flags)
+			*logger = log.New(n.createLogWriters(threshold, logAndOut), prefix, n.flags)
 
 		case threshold >= n.logThreshold:
-			*logger = log.New(io.MultiWriter(counter, n.logHandle), prefix, n.flags)
+			*logger = log.New(n.createLogWriters(threshold, n.logHandle), prefix, n.flags)
 
 		case threshold >= n.stdoutThreshold:
-			*logger = log.New(io.MultiWriter(counter, n.outHandle), prefix, n.flags)
+			*logger = log.New(n.createLogWriters(threshold, n.outHandle), prefix, n.flags)
 
 		default:
-			// counter doesn't care about prefix and flags, so don't use them
-			// for performance.
-			*logger = log.New(counter, "", 0)
+			*logger = log.New(n.createLogWriters(threshold, ioutil.Discard), prefix, n.flags)
 		}
 	}
 }
 
+func (n *Notepad) createLogWriters(t Threshold, handle io.Writer) io.Writer {
+	if len(n.logListeners) == 0 {
+		return handle
+	}
+	writers := []io.Writer{handle}
+	for _, l := range n.logListeners {
+		w := l(t)
+		if w != nil {
+			writers = append(writers, w)
+		}
+	}
+
+	if len(writers) == 1 {
+		return handle
+	}
+
+	return io.MultiWriter(writers...)
+}
+
 // SetLogThreshold changes the threshold above which messages are written to the
 // log file.
 func (n *Notepad) SetLogThreshold(threshold Threshold) {
diff --git a/vendor/github.com/spf13/viper/.golangci.yml b/vendor/github.com/spf13/viper/.golangci.yml
index a0755ce7e..4f970acb1 100644
--- a/vendor/github.com/spf13/viper/.golangci.yml
+++ b/vendor/github.com/spf13/viper/.golangci.yml
@@ -1,27 +1,93 @@
+run:
+    timeout: 5m
+
 linters-settings:
+    gci:
+        local-prefixes: github.com/spf13/viper
     golint:
-        min-confidence: 0.1
+        min-confidence: 0
     goimports:
         local-prefixes: github.com/spf13/viper
 
 linters:
-    enable-all: true
-    disable:
-        - funlen
-        - maligned
+    disable-all: true
+    enable:
+        - bodyclose
+        - deadcode
+        - dogsled
+        - dupl
+        - durationcheck
+        - exhaustive
+        - exportloopref
+        - gci
+        - goconst
+        - gofmt
+        - gofumpt
+        - goimports
+        - gomoddirectives
+        - goprintffuncname
+        - govet
+        - importas
+        - ineffassign
+        - makezero
+        - misspell
+        - nakedret
+        - nilerr
+        - noctx
+        - nolintlint
+        - prealloc
+        - predeclared
+        - revive
+        - rowserrcheck
+        - sqlclosecheck
+        - staticcheck
+        - structcheck
+        - stylecheck
+        - tparallel
+        - typecheck
+        - unconvert
+        - unparam
+        - unused
+        - varcheck
+        - wastedassign
+        - whitespace
 
-        # TODO: fix me
-        - wsl
-        - gochecknoinits
-        - gosimple
-        - gochecknoglobals
-        - errcheck
-        - lll
-        - godox
-        - scopelint
-        - gocyclo
-        - gocognit
-        - gocritic
+        # fixme
+        # - cyclop
+        # - errcheck
+        # - errorlint
+        # - exhaustivestruct
+        # - forbidigo
+        # - forcetypeassert
+        # - gochecknoglobals
+        # - gochecknoinits
+        # - gocognit
+        # - gocritic
+        # - gocyclo
+        # - godot
+        # - gosec
+        # - gosimple
+        # - ifshort
+        # - lll
+        # - nlreturn
+        # - paralleltest
+        # - scopelint
+        # - thelper
+        # - wrapcheck
 
-service:
-    golangci-lint-version: 1.21.x
+        # unused
+        # - depguard
+        # - goheader
+        # - gomodguard
+
+        # don't enable:
+        # - asciicheck
+        # - funlen
+        # - godox
+        # - goerr113
+        # - gomnd
+        # - interfacer
+        # - maligned
+        # - nestif
+        # - testpackage
+        # - wsl
diff --git a/vendor/github.com/spf13/viper/Makefile b/vendor/github.com/spf13/viper/Makefile
index 1c2cab03f..b0f9acf24 100644
--- a/vendor/github.com/spf13/viper/Makefile
+++ b/vendor/github.com/spf13/viper/Makefile
@@ -15,8 +15,8 @@ TEST_FORMAT = short-verbose
 endif
 
 # Dependency versions
-GOTESTSUM_VERSION = 0.4.0
-GOLANGCI_VERSION = 1.21.0
+GOTESTSUM_VERSION = 1.6.4
+GOLANGCI_VERSION = 1.40.1
 
 # Add the ability to override some variables
 # Use with care
@@ -49,7 +49,7 @@ bin/golangci-lint: bin/golangci-lint-${GOLANGCI_VERSION}
 bin/golangci-lint-${GOLANGCI_VERSION}:
 	@mkdir -p bin
 	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | bash -s -- -b ./bin/ v${GOLANGCI_VERSION}
-	@mv bin/golangci-lint $@
+	@mv bin/golangci-lint "$@"
 
 .PHONY: lint
 lint: bin/golangci-lint ## Run linter
diff --git a/vendor/github.com/spf13/viper/README.md b/vendor/github.com/spf13/viper/README.md
index dfd8034fd..f409b1519 100644
--- a/vendor/github.com/spf13/viper/README.md
+++ b/vendor/github.com/spf13/viper/README.md
@@ -1,11 +1,18 @@
+> ## Viper v2 feedback
+> Viper is heading towards v2 and we would love to hear what _**you**_ would like to see in it. Share your thoughts here: https://forms.gle/R6faU74qPRPAzchZ9
+>
+> **Thank you!**
+
 ![Viper](.github/logo.png?raw=true)
 
 [![Mentioned in Awesome Go](https://awesome.re/mentioned-badge-flat.svg)](https://github.com/avelino/awesome-go#configuration)
+[![run on repl.it](https://repl.it/badge/github/sagikazarmark/Viper-example)](https://repl.it/@sagikazarmark/Viper-example#main.go)
 
 [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/spf13/viper/CI?style=flat-square)](https://github.com/spf13/viper/actions?query=workflow%3ACI)
 [![Join the chat at https://gitter.im/spf13/viper](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/spf13/viper?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Go Report Card](https://goreportcard.com/badge/github.com/spf13/viper?style=flat-square)](https://goreportcard.com/report/github.com/spf13/viper)
-[![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/mod/github.com/spf13/viper)
+![Go Version](https://img.shields.io/badge/go%20version-%3E=1.14-61CFDD.svg?style=flat-square)
+[![PkgGoDev](https://pkg.go.dev/badge/mod/github.com/spf13/viper)](https://pkg.go.dev/mod/github.com/spf13/viper)
 
 **Go configuration with fangs!**
 
@@ -24,10 +31,12 @@ Many Go projects are built using Viper including:
 
 ## Install
 
-```console
+```shell
 go get github.com/spf13/viper
 ```
 
+**Note:** Viper uses [Go Modules](https://github.com/golang/go/wiki/Modules) to manage dependencies.
+
 
 ## What is Viper?
 
@@ -110,7 +119,7 @@ viper.AddConfigPath("$HOME/.appname")  // call multiple times to add many search
 viper.AddConfigPath(".")               // optionally look for config in the working directory
 err := viper.ReadInConfig() // Find and read the config file
 if err != nil { // Handle errors reading the config file
-	panic(fmt.Errorf("Fatal error config file: %s \n", err))
+	panic(fmt.Errorf("Fatal error config file: %w \n", err))
 }
 ```
 
@@ -245,9 +254,10 @@ using `SetEnvPrefix`, you can tell Viper to use a prefix while reading from
 the environment variables. Both `BindEnv` and `AutomaticEnv` will use this
 prefix.
 
-`BindEnv` takes one or two parameters. The first parameter is the key name, the
-second is the name of the environment variable. The name of the environment
-variable is case sensitive. If the ENV variable name is not provided, then
+`BindEnv` takes one or more parameters. The first parameter is the key name, the
+rest are the name of the environment variables to bind to this key. If more than
+one are provided, they will take precedence in the specified order. The name of
+the environment variable is case sensitive. If the ENV variable name is not provided, then
 Viper will automatically assume that the ENV variable matches the following format: prefix + "_" + the key name in ALL CAPS. When you explicitly provide the ENV variable name (the second parameter),
 it **does not** automatically add the prefix. For example if the second parameter is "id",
 Viper will look for the ENV variable "ID".
@@ -259,7 +269,7 @@ the `BindEnv` is called.
 `AutomaticEnv` is a powerful helper especially when combined with
 `SetEnvPrefix`. When called, Viper will check for an environment variable any
 time a `viper.Get` request is made. It will apply the following rules. It will
-check for a environment variable with a name matching the key uppercased and
+check for an environment variable with a name matching the key uppercased and
 prefixed with the `EnvPrefix` if set.
 
 `SetEnvKeyReplacer` allows you to use a `strings.Replacer` object to rewrite Env
@@ -582,6 +592,33 @@ the `Set()` method, …) with an immediate value, then all sub-keys of
 `datastore.metric` become undefined, they are “shadowed” by the higher-priority
 configuration level.
 
+Viper can access array indices by using numbers in the path. For example:
+
+```json
+{
+    "host": {
+        "address": "localhost",
+        "ports": [
+            5799,
+            6029
+        ]
+    },
+    "datastore": {
+        "metric": {
+            "host": "127.0.0.1",
+            "port": 3099
+        },
+        "warehouse": {
+            "host": "198.0.0.1",
+            "port": 2112
+        }
+    }
+}
+
+GetInt("host.ports.1") // returns 6029
+
+```
+
 Lastly, if there exists a key that matches the delimited key path, its value
 will be returned instead. E.g.
 
@@ -607,14 +644,15 @@ will be returned instead. E.g.
 GetString("datastore.metric.host") // returns "0.0.0.0"
 ```
 
-### Extract sub-tree
+### Extracting a sub-tree
 
-Extract sub-tree from Viper.
+When developing reusable modules, it's often useful to extract a subset of the configuration
+and pass it to a module. This way the module can be instantiated more than once, with different configurations.
 
-For example, `viper` represents:
+For example, an application might use multiple different cache stores for different purposes:
 
-```json
-app:
+```yaml
+cache:
   cache1:
     max-items: 100
     item-size: 64
@@ -623,35 +661,36 @@ app:
     item-size: 80
 ```
 
-After executing:
+We could pass the cache name to a module (eg. `NewCache("cache1")`),
+but it would require weird concatenation for accessing config keys and would be less separated from the global config.
+
+So instead of doing that let's pass a Viper instance to the constructor that represents a subset of the configuration:
 
 ```go
-subv := viper.Sub("app.cache1")
+cache1Config := viper.Sub("cache.cache1")
+if cache1Config == nil { // Sub returns nil if the key cannot be found
+    panic("cache configuration not found")
+}
+
+cache1 := NewCache(cache1Config)
 ```
 
-`subv` represents:
+**Note:** Always check the return value of `Sub`. It returns `nil` if a key cannot be found.
 
-```json
-max-items: 100
-item-size: 64
-```
-
-Suppose we have:
+Internally, the `NewCache` function can address `max-items` and `item-size` keys directly:
 
 ```go
-func NewCache(cfg *Viper) *Cache {...}
+func NewCache(v *Viper) *Cache {
+    return &Cache{
+        MaxItems: v.GetInt("max-items"),
+        ItemSize: v.GetInt("item-size"),
+    }
+}
 ```
 
-which creates a cache based on config information formatted as `subv`.
-Now it’s easy to create these 2 caches separately as:
+The resulting code is easy to test, since it's decoupled from the main config structure,
+and easier to reuse (for the same reason).
 
-```go
-cfg1 := viper.Sub("app.cache1")
-cache1 := NewCache(cfg1)
-
-cfg2 := viper.Sub("app.cache2")
-cache2 := NewCache(cfg2)
-```
 
 ### Unmarshaling
 
@@ -792,15 +831,35 @@ y.SetDefault("ContentDir", "foobar")
 When working with multiple vipers, it is up to the user to keep track of the
 different vipers.
 
+
 ## Q & A
 
-Q: Why is it called “Viper”?
+### Why is it called “Viper”?
 
 A: Viper is designed to be a [companion](http://en.wikipedia.org/wiki/Viper_(G.I._Joe))
 to [Cobra](https://github.com/spf13/cobra). While both can operate completely
 independently, together they make a powerful pair to handle much of your
 application foundation needs.
 
-Q: Why is it called “Cobra”?
+### Why is it called “Cobra”?
 
-A: Is there a better name for a [commander](http://en.wikipedia.org/wiki/Cobra_Commander)?
+Is there a better name for a [commander](http://en.wikipedia.org/wiki/Cobra_Commander)?
+
+### Does Viper support case sensitive keys?
+
+**tl;dr:** No.
+
+Viper merges configuration from various sources, many of which are either case insensitive or uses different casing than the rest of the sources (eg. env vars).
+In order to provide the best experience when using multiple sources, the decision has been made to make all keys case insensitive.
+
+There has been several attempts to implement case sensitivity, but unfortunately it's not that trivial. We might take a stab at implementing it in [Viper v2](https://github.com/spf13/viper/issues/772), but despite the initial noise, it does not seem to be requested that much.
+
+You can vote for case sensitivity by filling out this feedback form: https://forms.gle/R6faU74qPRPAzchZ9
+
+### Is it safe to concurrently read and write to a viper?
+
+No, you will need to synchronize access to the viper yourself (for example by using the `sync` package). Concurrent reads and writes can cause a panic.
+
+## Troubleshooting
+
+See [TROUBLESHOOTING.md](TROUBLESHOOTING.md).
diff --git a/vendor/github.com/spf13/viper/TROUBLESHOOTING.md b/vendor/github.com/spf13/viper/TROUBLESHOOTING.md
new file mode 100644
index 000000000..096277af7
--- /dev/null
+++ b/vendor/github.com/spf13/viper/TROUBLESHOOTING.md
@@ -0,0 +1,23 @@
+# Troubleshooting
+
+## Unmarshaling doesn't work
+
+The most common reason for this issue is improper use of struct tags (eg. `yaml` or `json`). Viper uses [github.com/mitchellh/mapstructure](https://github.com/mitchellh/mapstructure) under the hood for unmarshaling values which uses `mapstructure` tags by default. Please refer to the library's documentation for using other struct tags.
+
+## Cannot find package
+
+Viper installation seems to fail a lot lately with the following (or a similar) error:
+
+```
+cannot find package "github.com/hashicorp/hcl/tree/hcl1" in any of:
+/usr/local/Cellar/go/1.15.7_1/libexec/src/github.com/hashicorp/hcl/tree/hcl1 (from $GOROOT)
+/Users/user/go/src/github.com/hashicorp/hcl/tree/hcl1 (from $GOPATH)
+```
+
+As the error message suggests, Go tries to look up dependencies in `GOPATH` mode (as it's commonly called) from the `GOPATH`.
+Viper opted to use [Go Modules](https://github.com/golang/go/wiki/Modules) to manage its dependencies. While in many cases the two methods are interchangeable, once a dependency releases new (major) versions, `GOPATH` mode is no longer able to decide which version to use, so it'll either use one that's already present or pick a version (usually the `master` branch).
+
+The solution is easy: switch to using Go Modules.
+Please refer to the [wiki](https://github.com/golang/go/wiki/Modules) on how to do that.
+
+**tl;dr* `export GO111MODULE=on`
diff --git a/vendor/github.com/spf13/viper/go.mod b/vendor/github.com/spf13/viper/go.mod
index 7d108dcc2..145e0a100 100644
--- a/vendor/github.com/spf13/viper/go.mod
+++ b/vendor/github.com/spf13/viper/go.mod
@@ -3,38 +3,19 @@ module github.com/spf13/viper
 go 1.12
 
 require (
-	github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c
-	github.com/coreos/bbolt v1.3.2 // indirect
-	github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e // indirect
-	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
-	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
-	github.com/fsnotify/fsnotify v1.4.7
-	github.com/gogo/protobuf v1.2.1 // indirect
-	github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.9.0 // indirect
+	github.com/bketelsen/crypt v0.0.4
+	github.com/fsnotify/fsnotify v1.4.9
 	github.com/hashicorp/hcl v1.0.0
-	github.com/jonboulle/clockwork v0.1.0 // indirect
-	github.com/magiconair/properties v1.8.1
-	github.com/mitchellh/mapstructure v1.1.2
-	github.com/pelletier/go-toml v1.2.0
-	github.com/prometheus/client_golang v0.9.3 // indirect
+	github.com/magiconair/properties v1.8.5
+	github.com/mitchellh/mapstructure v1.4.1
+	github.com/pelletier/go-toml v1.9.3
 	github.com/smartystreets/goconvey v1.6.4 // indirect
-	github.com/soheilhy/cmux v0.1.4 // indirect
-	github.com/spf13/afero v1.1.2
-	github.com/spf13/cast v1.3.0
-	github.com/spf13/jwalterweatherman v1.0.0
-	github.com/spf13/pflag v1.0.3
-	github.com/stretchr/testify v1.3.0
+	github.com/spf13/afero v1.6.0
+	github.com/spf13/cast v1.3.1
+	github.com/spf13/jwalterweatherman v1.1.0
+	github.com/spf13/pflag v1.0.5
+	github.com/stretchr/testify v1.7.0
 	github.com/subosito/gotenv v1.2.0
-	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
-	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
-	go.etcd.io/bbolt v1.3.2 // indirect
-	go.uber.org/atomic v1.4.0 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.10.0 // indirect
-	gopkg.in/ini.v1 v1.51.0
-	gopkg.in/yaml.v2 v2.2.4
+	gopkg.in/ini.v1 v1.62.0
+	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/vendor/github.com/spf13/viper/go.sum b/vendor/github.com/spf13/viper/go.sum
index 463aa7dbf..27730e2aa 100644
--- a/vendor/github.com/spf13/viper/go.sum
+++ b/vendor/github.com/spf13/viper/go.sum
@@ -4,102 +4,150 @@ cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSR
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go/bigquery v1.0.1 h1:hL+ycaJpVE9M7nLoiXb/Pn10ENE2u+oddxbD8uu0ZVU=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
+cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
+cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
+cloud.google.com/go v0.81.0 h1:at8Tk2zUz63cLPR0JPWm5vp77pEZmzxEQBEfRKn1VV8=
+cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0 h1:9x7Bx0A9R5/M9jibeJeZWqjeVEIxYW9fZYqB9a70/bY=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/pubsub v1.0.1 h1:W9tAK3E57P75u0XLLR82LZyw8VpAnhmyTOxW9qzmyj8=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/storage v1.0.0 h1:VV2nUM3wwLLGh9lSABFgZMjInyUbJeaRSE64WuAIQ+4=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da h1:8GUt8eRujhVEGZFFEjBj46YV4rDjvGrNxb0KMWYkL2I=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c h1:+0HFd5KSZ/mm3JmhmrDukiId5iR6w4+BdFtfSy4yWIc=
-github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/bketelsen/crypt v0.0.4 h1:w/jqZtC9YD4DS/Vp9GhWfWcCpuAL58oTnLoI8vE9YHU=
+github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
-github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.13+incompatible h1:8F3hqu9fGYLBifCmRCJsicFqDx/D68Rt3q1JMazcgBQ=
-github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
-github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
-github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef h1:veQD95Isof8w9/WXiA+pa3tz3fJXkt5B7QaRBrM62gk=
-github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
+github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
+github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
+github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
+github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
-github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
-github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 h1:Iju5GlWwrvL6UBg4zJJt3btmonfrMlCDdsejg4CZE7c=
-github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
-github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
-github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
-github.com/grpc-ecosystem/grpc-gateway v1.9.0 h1:bM6ZAFZmc/wPFaRDi0d5L7hGEZEx/2u+Tmr2evNHDiI=
-github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
+github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/consul/api v1.1.0 h1:BNQPM9ytxj6jbjjdRPioQ94T6YXriSopn0i8COv6SRA=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/sdk v0.1.1 h1:LnuDWGNsoajlhGyHJvuWW6FVqRl8JOTPqS6CPTsYjhY=
@@ -134,31 +182,27 @@ github.com/hashicorp/memberlist v0.1.3 h1:EmmoJme1matNzb+hMpDuR/0sbJSUisxyqBGG67
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2 h1:YZ7UKsJv+hKjqGVUUbtE3HNj79Eln2oQ75tniF6iPt0=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
-github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
-github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
-github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs=
-github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
-github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024 h1:rBMNdlhTLzJjJSDIjNEXX1Pz3Hmwmz91v+zycvx9PJc=
+github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/json-iterator/go v1.1.11 h1:uVUAXhF2To8cbw/3xN3pxj6kk7TYKs98NIrTqPlMWAQ=
+github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
+github.com/jstemmer/go-junit-report v0.9.1 h1:6QPYqodiu3GuPL+7mfx+NwDdp2eTkp9IfEUpgAwUN0o=
+github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
+github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
+github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
-github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/magiconair/properties v1.8.5 h1:b6kJs+EmPFMYGkow9GiUyCyOvIwYetYJ3fSaWak/Gls=
+github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
-github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
-github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14 h1:9jZdLNd/P4+SfEJ0TNyxYpsK8N4GtfylBLqtbYN1sbA=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
@@ -169,96 +213,92 @@ github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eI
 github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg=
 github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=
+github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c h1:Lgl0gzECD8GnQ5QCWA8o6BtfL6mDH5rQgM4/fX3avOs=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
-github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
-github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pelletier/go-toml v1.9.3 h1:zeC5b1GviRUyKYd6OJPvBU/mcVDVoL1OhT17FCt5dSQ=
+github.com/pelletier/go-toml v1.9.3/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
-github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
-github.com/prometheus/client_golang v0.9.3 h1:9iH4JKXLzFbOAdtqv/a+j8aewx2Y8lAjAydhbaScPF8=
-github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDft0ttaMvbicHlPoso=
-github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
-github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 h1:S/YWwWx/RA8rT8tKFRuGUZhuA90OyIBpPCXkcbwU8DE=
-github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
-github.com/prometheus/common v0.4.0 h1:7etb9YClo3a6HjLzfl6rIQaU+FDfi0VSX39io3aQ+DM=
-github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
-github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
-github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084 h1:sofwID9zm4tzrgykg80hfFph1mryUeLRsUfoocVVmRY=
-github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
-github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
-github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
+github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
-github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=
-github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
-github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E=
-github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
-github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
-github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
-github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
-github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
-github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
-github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
-github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/afero v1.6.0 h1:xoax2sJ2DT8S8xA2paPFjDCScCNeWsg75VG0DLRreiY=
+github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
+github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
+github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
+github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
-github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
-github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
-go.etcd.io/bbolt v1.3.2 h1:Z/90sZLPOeCy2PwprqkFa25PdkusRzaj9P8zm/KNyvk=
-go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.etcd.io/etcd/api/v3 v3.5.0 h1:GsV3S+OfZEOCNXdtNkBSR7kgLobAa/SO6tCxRa0GAYw=
+go.etcd.io/etcd/api/v3 v3.5.0/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
+go.etcd.io/etcd/client/pkg/v3 v3.5.0 h1:2aQv6F436YnN7I4VbI8PPYrBhu+SmrTaADcf8Mi/6PU=
+go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
+go.etcd.io/etcd/client/v2 v2.305.0 h1:ftQ0nOOHMcbMS3KIaDQ0g5Qcd6bhaBrQT6b89DfwLTs=
+go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
-go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
-go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU=
-go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
-go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
-go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
+go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
+go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 h1:58fnuSXlxZmFdJyvtTFVmVhcMLU6v5fEb/ok4wyqtNU=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
 golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
-golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136 h1:A1gGSx58LAGVHUUsOf7IiR0u8Xb6W51gRwfDBhkdcaw=
 golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
+golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
+golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -267,18 +307,29 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
+golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 h1:VLliZ0d+/avPrXXH+OakdXhpJuEoBZuwh1m2j7U6Iug=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -286,73 +337,199 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 h1:4nGaVu0QrbjT/AK2PRLuQfQuh6DJve+pELhqTdAj3x0=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
-golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 h1:SVwTIAaPC2U/AvvLNZ2a7OVsmBpC8L5BlwK1whH3hm0=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602 h1:0Ja1LBD+yisY6RWM/BH7TJVXWsSjs2VwBSmvSX4HdBc=
+golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0 h1:HyfiK1WMnHj5FXFXatD+Qs1A/xC2Run6RzeW1SyHxpc=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200501052902-10377860bb8e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007 h1:gG67DSER+11cZvqIMb8S8bt0vZtiN6xWYARwirrOSfE=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190328211700-ab21143f2384 h1:TFlARGu6Czu1z7q93HTxcP1P+/ZFC/IKythI5RzrnRg=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc h1:NCy3Ohtk6Iny5V/reW2Ktypo4zIpWBdRJ1uFMjBxdg8=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200227222343-706bc42d1f0d/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200312045724-11d5b4c81c7d/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200331025713-a30bf2db82d4/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8=
+golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200515010526-7d3b6ebf133d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
+golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
+golang.org/x/tools v0.1.2 h1:kRBLX7v7Af8W7Gdbbc908OJcdgtK8bOz9Uaj8/F1ACA=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
-google.golang.org/api v0.13.0 h1:Q3Ui3V3/CVinFWFiW39Iw0kMuVrRzYX0wN6OPFp0lTA=
 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.19.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
+google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
+google.golang.org/api v0.35.0/go.mod h1:/XrVsuzM0rZmrsbjJutiuftIzeuTQcEeaYcSk/mQ1dg=
+google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34qYtE=
+google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
+google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
+google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
+google.golang.org/api v0.44.0 h1:URs6qR1lAxDsqWITsQXI4ZkGiYJ5dHtRNiCpfs2OeKA=
+google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
-google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
+google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
+google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -361,28 +538,95 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
-google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgXnff1cZDbG+xLtMVE5mDRTe+nIsX4=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
+google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
+google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1 h1:j6XxA85m/6txkUCHvzlV5f+HBNl/1r5cZ2A/3IEFOO8=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
+google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
+google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
-gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
+gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/vendor/github.com/spf13/viper/util.go b/vendor/github.com/spf13/viper/util.go
index b78896963..cee6b2429 100644
--- a/vendor/github.com/spf13/viper/util.go
+++ b/vendor/github.com/spf13/viper/util.go
@@ -91,13 +91,22 @@ func insensitiviseMap(m map[string]interface{}) {
 func absPathify(inPath string) string {
 	jww.INFO.Println("Trying to resolve absolute path to", inPath)
 
-	if strings.HasPrefix(inPath, "$HOME") {
+	if inPath == "$HOME" || strings.HasPrefix(inPath, "$HOME"+string(os.PathSeparator)) {
 		inPath = userHomeDir() + inPath[5:]
 	}
 
 	if strings.HasPrefix(inPath, "$") {
 		end := strings.Index(inPath, string(os.PathSeparator))
-		inPath = os.Getenv(inPath[1:end]) + inPath[end:]
+
+		var value, suffix string
+		if end == -1 {
+			value = os.Getenv(inPath[1:])
+		} else {
+			value = os.Getenv(inPath[1:end])
+			suffix = inPath[end:]
+		}
+
+		inPath = value + suffix
 	}
 
 	if filepath.IsAbs(inPath) {
diff --git a/vendor/github.com/spf13/viper/viper.go b/vendor/github.com/spf13/viper/viper.go
index f61f4ed75..e8c04627b 100644
--- a/vendor/github.com/spf13/viper/viper.go
+++ b/vendor/github.com/spf13/viper/viper.go
@@ -30,6 +30,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -175,6 +176,8 @@ func DecodeHook(hook mapstructure.DecodeHookFunc) DecoderConfigOption {
 //		"user": "root",
 //		"endpoint": "https://localhost"
 //	}
+//
+// Note: Vipers are not safe for concurrent Get() and Set() operations.
 type Viper struct {
 	// Delimiter that separates a list of keys
 	// used to access a nested value in one go
@@ -196,6 +199,9 @@ type Viper struct {
 	configPermissions os.FileMode
 	envPrefix         string
 
+	// Specific commands for ini parsing
+	iniLoadOptions ini.LoadOptions
+
 	automaticEnvApplied bool
 	envKeyReplacer      StringReplacer
 	allowEmptyEnv       bool
@@ -205,7 +211,7 @@ type Viper struct {
 	defaults       map[string]interface{}
 	kvstore        map[string]interface{}
 	pflags         map[string]FlagValue
-	env            map[string]string
+	env            map[string][]string
 	aliases        map[string]string
 	typeByDefValue bool
 
@@ -228,7 +234,7 @@ func New() *Viper {
 	v.defaults = make(map[string]interface{})
 	v.kvstore = make(map[string]interface{})
 	v.pflags = make(map[string]FlagValue)
-	v.env = make(map[string]string)
+	v.env = make(map[string][]string)
 	v.aliases = make(map[string]string)
 	v.typeByDefValue = false
 
@@ -341,7 +347,7 @@ func (v *Viper) WatchConfig() {
 	initWG := sync.WaitGroup{}
 	initWG.Add(1)
 	go func() {
-		watcher, err := fsnotify.NewWatcher()
+		watcher, err := newWatcher()
 		if err != nil {
 			log.Fatal(err)
 		}
@@ -409,6 +415,7 @@ func (v *Viper) WatchConfig() {
 // SetConfigFile explicitly defines the path, name and extension of the config file.
 // Viper will use this and not check any of the config paths.
 func SetConfigFile(in string) { v.SetConfigFile(in) }
+
 func (v *Viper) SetConfigFile(in string) {
 	if in != "" {
 		v.configFile = in
@@ -419,6 +426,7 @@ func (v *Viper) SetConfigFile(in string) {
 // E.g. if your prefix is "spf", the env registry will look for env
 // variables that start with "SPF_".
 func SetEnvPrefix(in string) { v.SetEnvPrefix(in) }
+
 func (v *Viper) SetEnvPrefix(in string) {
 	if in != "" {
 		v.envPrefix = in
@@ -437,6 +445,7 @@ func (v *Viper) mergeWithEnvPrefix(in string) string {
 // but empty environment variables as valid values instead of falling back.
 // For backward compatibility reasons this is false by default.
 func AllowEmptyEnv(allowEmptyEnv bool) { v.AllowEmptyEnv(allowEmptyEnv) }
+
 func (v *Viper) AllowEmptyEnv(allowEmptyEnv bool) {
 	v.allowEmptyEnv = allowEmptyEnv
 }
@@ -465,6 +474,7 @@ func (v *Viper) ConfigFileUsed() string { return v.configFile }
 // AddConfigPath adds a path for Viper to search for the config file in.
 // Can be called multiple times to define multiple search paths.
 func AddConfigPath(in string) { v.AddConfigPath(in) }
+
 func (v *Viper) AddConfigPath(in string) {
 	if in != "" {
 		absin := absPathify(in)
@@ -486,6 +496,7 @@ func (v *Viper) AddConfigPath(in string) {
 func AddRemoteProvider(provider, endpoint, path string) error {
 	return v.AddRemoteProvider(provider, endpoint, path)
 }
+
 func (v *Viper) AddRemoteProvider(provider, endpoint, path string) error {
 	if !stringInSlice(provider, SupportedRemoteProviders) {
 		return UnsupportedRemoteProviderError(provider)
@@ -577,9 +588,9 @@ func (v *Viper) searchMap(source map[string]interface{}, path []string) interfac
 	return nil
 }
 
-// searchMapWithPathPrefixes recursively searches for a value for path in source map.
+// searchIndexableWithPathPrefixes recursively searches for a value for path in source map/slice.
 //
-// While searchMap() considers each path element as a single map key, this
+// While searchMap() considers each path element as a single map key or slice index, this
 // function searches for, and prioritizes, merged path elements.
 // e.g., if in the source, "foo" is defined with a sub-key "bar", and "foo.bar"
 // is also defined, this latter value is returned for path ["foo", "bar"].
@@ -588,7 +599,7 @@ func (v *Viper) searchMap(source map[string]interface{}, path []string) interfac
 // in their keys).
 //
 // Note: This assumes that the path entries and map keys are lower cased.
-func (v *Viper) searchMapWithPathPrefixes(source map[string]interface{}, path []string) interface{} {
+func (v *Viper) searchIndexableWithPathPrefixes(source interface{}, path []string) interface{} {
 	if len(path) == 0 {
 		return source
 	}
@@ -597,29 +608,86 @@ func (v *Viper) searchMapWithPathPrefixes(source map[string]interface{}, path []
 	for i := len(path); i > 0; i-- {
 		prefixKey := strings.ToLower(strings.Join(path[0:i], v.keyDelim))
 
-		next, ok := source[prefixKey]
-		if ok {
-			// Fast path
-			if i == len(path) {
-				return next
-			}
-
-			// Nested case
-			var val interface{}
-			switch next.(type) {
-			case map[interface{}]interface{}:
-				val = v.searchMapWithPathPrefixes(cast.ToStringMap(next), path[i:])
-			case map[string]interface{}:
-				// Type assertion is safe here since it is only reached
-				// if the type of `next` is the same as the type being asserted
-				val = v.searchMapWithPathPrefixes(next.(map[string]interface{}), path[i:])
-			default:
-				// got a value but nested key expected, do nothing and look for next prefix
-			}
-			if val != nil {
-				return val
-			}
+		var val interface{}
+		switch sourceIndexable := source.(type) {
+		case []interface{}:
+			val = v.searchSliceWithPathPrefixes(sourceIndexable, prefixKey, i, path)
+		case map[string]interface{}:
+			val = v.searchMapWithPathPrefixes(sourceIndexable, prefixKey, i, path)
 		}
+		if val != nil {
+			return val
+		}
+	}
+
+	// not found
+	return nil
+}
+
+// searchSliceWithPathPrefixes searches for a value for path in sourceSlice
+//
+// This function is part of the searchIndexableWithPathPrefixes recurring search and
+// should not be called directly from functions other than searchIndexableWithPathPrefixes.
+func (v *Viper) searchSliceWithPathPrefixes(
+	sourceSlice []interface{},
+	prefixKey string,
+	pathIndex int,
+	path []string,
+) interface{} {
+	// if the prefixKey is not a number or it is out of bounds of the slice
+	index, err := strconv.Atoi(prefixKey)
+	if err != nil || len(sourceSlice) <= index {
+		return nil
+	}
+
+	next := sourceSlice[index]
+
+	// Fast path
+	if pathIndex == len(path) {
+		return next
+	}
+
+	switch n := next.(type) {
+	case map[interface{}]interface{}:
+		return v.searchIndexableWithPathPrefixes(cast.ToStringMap(n), path[pathIndex:])
+	case map[string]interface{}, []interface{}:
+		return v.searchIndexableWithPathPrefixes(n, path[pathIndex:])
+	default:
+		// got a value but nested key expected, do nothing and look for next prefix
+	}
+
+	// not found
+	return nil
+}
+
+// searchMapWithPathPrefixes searches for a value for path in sourceMap
+//
+// This function is part of the searchIndexableWithPathPrefixes recurring search and
+// should not be called directly from functions other than searchIndexableWithPathPrefixes.
+func (v *Viper) searchMapWithPathPrefixes(
+	sourceMap map[string]interface{},
+	prefixKey string,
+	pathIndex int,
+	path []string,
+) interface{} {
+	next, ok := sourceMap[prefixKey]
+	if !ok {
+		return nil
+	}
+
+	// Fast path
+	if pathIndex == len(path) {
+		return next
+	}
+
+	// Nested case
+	switch n := next.(type) {
+	case map[interface{}]interface{}:
+		return v.searchIndexableWithPathPrefixes(cast.ToStringMap(n), path[pathIndex:])
+	case map[string]interface{}, []interface{}:
+		return v.searchIndexableWithPathPrefixes(n, path[pathIndex:])
+	default:
+		// got a value but nested key expected, do nothing and look for next prefix
 	}
 
 	// not found
@@ -706,6 +774,7 @@ func (v *Viper) isPathShadowedInAutoEnv(path []string) string {
 //
 //   "a b c"
 func SetTypeByDefaultValue(enable bool) { v.SetTypeByDefaultValue(enable) }
+
 func (v *Viper) SetTypeByDefaultValue(enable bool) {
 	v.typeByDefValue = enable
 }
@@ -723,6 +792,7 @@ func GetViper() *Viper {
 //
 // Get returns an interface. For a specific value use one of the Get____ methods.
 func Get(key string) interface{} { return v.Get(key) }
+
 func (v *Viper) Get(key string) interface{} {
 	lcaseKey := strings.ToLower(key)
 	val := v.find(lcaseKey, true)
@@ -773,6 +843,7 @@ func (v *Viper) Get(key string) interface{} {
 // Sub returns new Viper instance representing a sub tree of this instance.
 // Sub is case-insensitive for a key.
 func Sub(key string) *Viper { return v.Sub(key) }
+
 func (v *Viper) Sub(key string) *Viper {
 	subv := New()
 	data := v.Get(key)
@@ -789,96 +860,112 @@ func (v *Viper) Sub(key string) *Viper {
 
 // GetString returns the value associated with the key as a string.
 func GetString(key string) string { return v.GetString(key) }
+
 func (v *Viper) GetString(key string) string {
 	return cast.ToString(v.Get(key))
 }
 
 // GetBool returns the value associated with the key as a boolean.
 func GetBool(key string) bool { return v.GetBool(key) }
+
 func (v *Viper) GetBool(key string) bool {
 	return cast.ToBool(v.Get(key))
 }
 
 // GetInt returns the value associated with the key as an integer.
 func GetInt(key string) int { return v.GetInt(key) }
+
 func (v *Viper) GetInt(key string) int {
 	return cast.ToInt(v.Get(key))
 }
 
 // GetInt32 returns the value associated with the key as an integer.
 func GetInt32(key string) int32 { return v.GetInt32(key) }
+
 func (v *Viper) GetInt32(key string) int32 {
 	return cast.ToInt32(v.Get(key))
 }
 
 // GetInt64 returns the value associated with the key as an integer.
 func GetInt64(key string) int64 { return v.GetInt64(key) }
+
 func (v *Viper) GetInt64(key string) int64 {
 	return cast.ToInt64(v.Get(key))
 }
 
 // GetUint returns the value associated with the key as an unsigned integer.
 func GetUint(key string) uint { return v.GetUint(key) }
+
 func (v *Viper) GetUint(key string) uint {
 	return cast.ToUint(v.Get(key))
 }
 
 // GetUint32 returns the value associated with the key as an unsigned integer.
 func GetUint32(key string) uint32 { return v.GetUint32(key) }
+
 func (v *Viper) GetUint32(key string) uint32 {
 	return cast.ToUint32(v.Get(key))
 }
 
 // GetUint64 returns the value associated with the key as an unsigned integer.
 func GetUint64(key string) uint64 { return v.GetUint64(key) }
+
 func (v *Viper) GetUint64(key string) uint64 {
 	return cast.ToUint64(v.Get(key))
 }
 
 // GetFloat64 returns the value associated with the key as a float64.
 func GetFloat64(key string) float64 { return v.GetFloat64(key) }
+
 func (v *Viper) GetFloat64(key string) float64 {
 	return cast.ToFloat64(v.Get(key))
 }
 
 // GetTime returns the value associated with the key as time.
 func GetTime(key string) time.Time { return v.GetTime(key) }
+
 func (v *Viper) GetTime(key string) time.Time {
 	return cast.ToTime(v.Get(key))
 }
 
 // GetDuration returns the value associated with the key as a duration.
 func GetDuration(key string) time.Duration { return v.GetDuration(key) }
+
 func (v *Viper) GetDuration(key string) time.Duration {
 	return cast.ToDuration(v.Get(key))
 }
 
 // GetIntSlice returns the value associated with the key as a slice of int values.
 func GetIntSlice(key string) []int { return v.GetIntSlice(key) }
+
 func (v *Viper) GetIntSlice(key string) []int {
 	return cast.ToIntSlice(v.Get(key))
 }
 
 // GetStringSlice returns the value associated with the key as a slice of strings.
 func GetStringSlice(key string) []string { return v.GetStringSlice(key) }
+
 func (v *Viper) GetStringSlice(key string) []string {
 	return cast.ToStringSlice(v.Get(key))
 }
 
 // GetStringMap returns the value associated with the key as a map of interfaces.
 func GetStringMap(key string) map[string]interface{} { return v.GetStringMap(key) }
+
 func (v *Viper) GetStringMap(key string) map[string]interface{} {
 	return cast.ToStringMap(v.Get(key))
 }
 
 // GetStringMapString returns the value associated with the key as a map of strings.
 func GetStringMapString(key string) map[string]string { return v.GetStringMapString(key) }
+
 func (v *Viper) GetStringMapString(key string) map[string]string {
 	return cast.ToStringMapString(v.Get(key))
 }
 
 // GetStringMapStringSlice returns the value associated with the key as a map to a slice of strings.
 func GetStringMapStringSlice(key string) map[string][]string { return v.GetStringMapStringSlice(key) }
+
 func (v *Viper) GetStringMapStringSlice(key string) map[string][]string {
 	return cast.ToStringMapStringSlice(v.Get(key))
 }
@@ -886,6 +973,7 @@ func (v *Viper) GetStringMapStringSlice(key string) map[string][]string {
 // GetSizeInBytes returns the size of the value associated with the given key
 // in bytes.
 func GetSizeInBytes(key string) uint { return v.GetSizeInBytes(key) }
+
 func (v *Viper) GetSizeInBytes(key string) uint {
 	sizeStr := cast.ToString(v.Get(key))
 	return parseSizeInBytes(sizeStr)
@@ -895,14 +983,9 @@ func (v *Viper) GetSizeInBytes(key string) uint {
 func UnmarshalKey(key string, rawVal interface{}, opts ...DecoderConfigOption) error {
 	return v.UnmarshalKey(key, rawVal, opts...)
 }
+
 func (v *Viper) UnmarshalKey(key string, rawVal interface{}, opts ...DecoderConfigOption) error {
-	err := decode(v.Get(key), defaultDecoderConfig(rawVal, opts...))
-
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return decode(v.Get(key), defaultDecoderConfig(rawVal, opts...))
 }
 
 // Unmarshal unmarshals the config into a Struct. Make sure that the tags
@@ -910,14 +993,9 @@ func (v *Viper) UnmarshalKey(key string, rawVal interface{}, opts ...DecoderConf
 func Unmarshal(rawVal interface{}, opts ...DecoderConfigOption) error {
 	return v.Unmarshal(rawVal, opts...)
 }
+
 func (v *Viper) Unmarshal(rawVal interface{}, opts ...DecoderConfigOption) error {
-	err := decode(v.AllSettings(), defaultDecoderConfig(rawVal, opts...))
-
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return decode(v.AllSettings(), defaultDecoderConfig(rawVal, opts...))
 }
 
 // defaultDecoderConfig returns default mapsstructure.DecoderConfig with suppot
@@ -952,22 +1030,18 @@ func decode(input interface{}, config *mapstructure.DecoderConfig) error {
 func UnmarshalExact(rawVal interface{}, opts ...DecoderConfigOption) error {
 	return v.UnmarshalExact(rawVal, opts...)
 }
+
 func (v *Viper) UnmarshalExact(rawVal interface{}, opts ...DecoderConfigOption) error {
 	config := defaultDecoderConfig(rawVal, opts...)
 	config.ErrorUnused = true
 
-	err := decode(v.AllSettings(), config)
-
-	if err != nil {
-		return err
-	}
-
-	return nil
+	return decode(v.AllSettings(), config)
 }
 
 // BindPFlags binds a full flag set to the configuration, using each flag's long
 // name as the config key.
 func BindPFlags(flags *pflag.FlagSet) error { return v.BindPFlags(flags) }
+
 func (v *Viper) BindPFlags(flags *pflag.FlagSet) error {
 	return v.BindFlagValues(pflagValueSet{flags})
 }
@@ -979,13 +1053,18 @@ func (v *Viper) BindPFlags(flags *pflag.FlagSet) error {
 //	 Viper.BindPFlag("port", serverCmd.Flags().Lookup("port"))
 //
 func BindPFlag(key string, flag *pflag.Flag) error { return v.BindPFlag(key, flag) }
+
 func (v *Viper) BindPFlag(key string, flag *pflag.Flag) error {
+	if flag == nil {
+		return fmt.Errorf("flag for %q is nil", key)
+	}
 	return v.BindFlagValue(key, pflagValue{flag})
 }
 
 // BindFlagValues binds a full FlagValue set to the configuration, using each flag's long
 // name as the config key.
 func BindFlagValues(flags FlagValueSet) error { return v.BindFlagValues(flags) }
+
 func (v *Viper) BindFlagValues(flags FlagValueSet) (err error) {
 	flags.VisitAll(func(flag FlagValue) {
 		if err = v.BindFlagValue(flag.Name(), flag); err != nil {
@@ -997,6 +1076,7 @@ func (v *Viper) BindFlagValues(flags FlagValueSet) (err error) {
 
 // BindFlagValue binds a specific key to a FlagValue.
 func BindFlagValue(key string, flag FlagValue) error { return v.BindFlagValue(key, flag) }
+
 func (v *Viper) BindFlagValue(key string, flag FlagValue) error {
 	if flag == nil {
 		return fmt.Errorf("flag for %q is nil", key)
@@ -1008,24 +1088,24 @@ func (v *Viper) BindFlagValue(key string, flag FlagValue) error {
 // BindEnv binds a Viper key to a ENV variable.
 // ENV variables are case sensitive.
 // If only a key is provided, it will use the env key matching the key, uppercased.
+// If more arguments are provided, they will represent the env variable names that
+// should bind to this key and will be taken in the specified order.
 // EnvPrefix will be used when set when env name is not provided.
 func BindEnv(input ...string) error { return v.BindEnv(input...) }
+
 func (v *Viper) BindEnv(input ...string) error {
-	var key, envkey string
 	if len(input) == 0 {
 		return fmt.Errorf("missing key to bind to")
 	}
 
-	key = strings.ToLower(input[0])
+	key := strings.ToLower(input[0])
 
 	if len(input) == 1 {
-		envkey = v.mergeWithEnvPrefix(key)
+		v.env[key] = append(v.env[key], v.mergeWithEnvPrefix(key))
 	} else {
-		envkey = input[1]
+		v.env[key] = append(v.env[key], input[1:]...)
 	}
 
-	v.env[key] = envkey
-
 	return nil
 }
 
@@ -1073,7 +1153,7 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
 			return cast.ToInt(flag.ValueString())
 		case "bool":
 			return cast.ToBool(flag.ValueString())
-		case "stringSlice":
+		case "stringSlice", "stringArray":
 			s := strings.TrimPrefix(flag.ValueString(), "[")
 			s = strings.TrimSuffix(s, "]")
 			res, _ := readAsCSV(s)
@@ -1104,10 +1184,12 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
 			return nil
 		}
 	}
-	envkey, exists := v.env[lcaseKey]
+	envkeys, exists := v.env[lcaseKey]
 	if exists {
-		if val, ok := v.getEnv(envkey); ok {
-			return val
+		for _, envkey := range envkeys {
+			if val, ok := v.getEnv(envkey); ok {
+				return val
+			}
 		}
 	}
 	if nested && v.isPathShadowedInFlatMap(path, v.env) != "" {
@@ -1115,7 +1197,7 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
 	}
 
 	// Config file next
-	val = v.searchMapWithPathPrefixes(v.config, path)
+	val = v.searchIndexableWithPathPrefixes(v.config, path)
 	if val != nil {
 		return val
 	}
@@ -1150,7 +1232,7 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
 				return cast.ToInt(flag.ValueString())
 			case "bool":
 				return cast.ToBool(flag.ValueString())
-			case "stringSlice":
+			case "stringSlice", "stringArray":
 				s := strings.TrimPrefix(flag.ValueString(), "[")
 				s = strings.TrimSuffix(s, "]")
 				res, _ := readAsCSV(s)
@@ -1208,15 +1290,17 @@ func stringToStringConv(val string) interface{} {
 // IsSet checks to see if the key has been set in any of the data locations.
 // IsSet is case-insensitive for a key.
 func IsSet(key string) bool { return v.IsSet(key) }
+
 func (v *Viper) IsSet(key string) bool {
 	lcaseKey := strings.ToLower(key)
 	val := v.find(lcaseKey, false)
 	return val != nil
 }
 
-// AutomaticEnv has Viper check ENV variables for all.
-// keys set in config, default & flags
+// AutomaticEnv makes Viper check if environment variables match any of the existing keys
+// (config, default or flags). If matching env vars are found, they are loaded into Viper.
 func AutomaticEnv() { v.AutomaticEnv() }
+
 func (v *Viper) AutomaticEnv() {
 	v.automaticEnvApplied = true
 }
@@ -1225,6 +1309,7 @@ func (v *Viper) AutomaticEnv() {
 // Useful for mapping an environmental variable to a key that does
 // not match it.
 func SetEnvKeyReplacer(r *strings.Replacer) { v.SetEnvKeyReplacer(r) }
+
 func (v *Viper) SetEnvKeyReplacer(r *strings.Replacer) {
 	v.envKeyReplacer = r
 }
@@ -1232,6 +1317,7 @@ func (v *Viper) SetEnvKeyReplacer(r *strings.Replacer) {
 // RegisterAlias creates an alias that provides another accessor for the same key.
 // This enables one to change a name without breaking the application.
 func RegisterAlias(alias string, key string) { v.RegisterAlias(alias, key) }
+
 func (v *Viper) RegisterAlias(alias string, key string) {
 	v.registerAlias(alias, strings.ToLower(key))
 }
@@ -1279,6 +1365,7 @@ func (v *Viper) realKey(key string) string {
 
 // InConfig checks to see if the given key (or an alias) is in the config file.
 func InConfig(key string) bool { return v.InConfig(key) }
+
 func (v *Viper) InConfig(key string) bool {
 	// if the requested key is an alias, then return the proper key
 	key = v.realKey(key)
@@ -1291,6 +1378,7 @@ func (v *Viper) InConfig(key string) bool {
 // SetDefault is case-insensitive for a key.
 // Default only used when no value is provided by the user via flag, config or ENV.
 func SetDefault(key string, value interface{}) { v.SetDefault(key, value) }
+
 func (v *Viper) SetDefault(key string, value interface{}) {
 	// If alias passed in, then set the proper default
 	key = v.realKey(strings.ToLower(key))
@@ -1309,6 +1397,7 @@ func (v *Viper) SetDefault(key string, value interface{}) {
 // Will be used instead of values obtained via
 // flags, config file, ENV, default, or key/value store.
 func Set(key string, value interface{}) { v.Set(key, value) }
+
 func (v *Viper) Set(key string, value interface{}) {
 	// If alias passed in, then set the proper override
 	key = v.realKey(strings.ToLower(key))
@@ -1325,6 +1414,7 @@ func (v *Viper) Set(key string, value interface{}) {
 // ReadInConfig will discover and load the configuration file from disk
 // and key/value stores, searching in one of the defined paths.
 func ReadInConfig() error { return v.ReadInConfig() }
+
 func (v *Viper) ReadInConfig() error {
 	jww.INFO.Println("Attempting to read in config file")
 	filename, err := v.getConfigFile()
@@ -1355,6 +1445,7 @@ func (v *Viper) ReadInConfig() error {
 
 // MergeInConfig merges a new configuration with an existing config.
 func MergeInConfig() error { return v.MergeInConfig() }
+
 func (v *Viper) MergeInConfig() error {
 	jww.INFO.Println("Attempting to merge in config file")
 	filename, err := v.getConfigFile()
@@ -1377,6 +1468,7 @@ func (v *Viper) MergeInConfig() error {
 // ReadConfig will read a configuration file, setting existing keys to nil if the
 // key does not exist in the file.
 func ReadConfig(in io.Reader) error { return v.ReadConfig(in) }
+
 func (v *Viper) ReadConfig(in io.Reader) error {
 	v.config = make(map[string]interface{})
 	return v.unmarshalReader(in, v.config)
@@ -1384,6 +1476,7 @@ func (v *Viper) ReadConfig(in io.Reader) error {
 
 // MergeConfig merges a new configuration with an existing config.
 func MergeConfig(in io.Reader) error { return v.MergeConfig(in) }
+
 func (v *Viper) MergeConfig(in io.Reader) error {
 	cfg := make(map[string]interface{})
 	if err := v.unmarshalReader(in, cfg); err != nil {
@@ -1395,6 +1488,7 @@ func (v *Viper) MergeConfig(in io.Reader) error {
 // MergeConfigMap merges the configuration from the map given with an existing config.
 // Note that the map given may be modified.
 func MergeConfigMap(cfg map[string]interface{}) error { return v.MergeConfigMap(cfg) }
+
 func (v *Viper) MergeConfigMap(cfg map[string]interface{}) error {
 	if v.config == nil {
 		v.config = make(map[string]interface{})
@@ -1406,6 +1500,7 @@ func (v *Viper) MergeConfigMap(cfg map[string]interface{}) error {
 
 // WriteConfig writes the current configuration to a file.
 func WriteConfig() error { return v.WriteConfig() }
+
 func (v *Viper) WriteConfig() error {
 	filename, err := v.getConfigFile()
 	if err != nil {
@@ -1416,6 +1511,7 @@ func (v *Viper) WriteConfig() error {
 
 // SafeWriteConfig writes current configuration to file only if the file does not exist.
 func SafeWriteConfig() error { return v.SafeWriteConfig() }
+
 func (v *Viper) SafeWriteConfig() error {
 	if len(v.configPaths) < 1 {
 		return errors.New("missing configuration for 'configPath'")
@@ -1425,12 +1521,14 @@ func (v *Viper) SafeWriteConfig() error {
 
 // WriteConfigAs writes current configuration to a given filename.
 func WriteConfigAs(filename string) error { return v.WriteConfigAs(filename) }
+
 func (v *Viper) WriteConfigAs(filename string) error {
 	return v.writeConfig(filename, true)
 }
 
 // SafeWriteConfigAs writes current configuration to a given filename if it does not exist.
 func SafeWriteConfigAs(filename string) error { return v.SafeWriteConfigAs(filename) }
+
 func (v *Viper) SafeWriteConfigAs(filename string) error {
 	alreadyExists, err := afero.Exists(v.fs, filename)
 	if alreadyExists && err == nil {
@@ -1481,6 +1579,7 @@ func (v *Viper) writeConfig(filename string, force bool) error {
 func unmarshalReader(in io.Reader, c map[string]interface{}) error {
 	return v.unmarshalReader(in, c)
 }
+
 func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
 	buf := new(bytes.Buffer)
 	buf.ReadFrom(in)
@@ -1541,7 +1640,7 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
 		}
 
 	case "ini":
-		cfg := ini.Empty()
+		cfg := ini.Empty(v.iniLoadOptions)
 		err := cfg.Append(buf.Bytes())
 		if err != nil {
 			return ConfigParseError{err}
@@ -1649,7 +1748,7 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error {
 			if sectionName == "default" {
 				sectionName = ""
 			}
-			cfg.Section(sectionName).Key(keyName).SetValue(v.Get(key).(string))
+			cfg.Section(sectionName).Key(keyName).SetValue(v.GetString(key))
 		}
 		cfg.WriteTo(f)
 	}
@@ -1676,6 +1775,14 @@ func castToMapStringInterface(
 	return tgt
 }
 
+func castMapStringSliceToMapInterface(src map[string][]string) map[string]interface{} {
+	tgt := map[string]interface{}{}
+	for k, v := range src {
+		tgt[k] = v
+	}
+	return tgt
+}
+
 func castMapStringToMapInterface(src map[string]string) map[string]interface{} {
 	tgt := map[string]interface{}{}
 	for k, v := range src {
@@ -1722,7 +1829,7 @@ func mergeMaps(
 
 		svType := reflect.TypeOf(sv)
 		tvType := reflect.TypeOf(tv)
-		if svType != tvType {
+		if tvType != nil && svType != tvType { // Allow for the target to be nil
 			jww.ERROR.Printf(
 				"svType != tvType; key=%s, st=%v, tt=%v, sv=%v, tv=%v",
 				sk, svType, tvType, sv, tv)
@@ -1755,6 +1862,7 @@ func mergeMaps(
 // ReadRemoteConfig attempts to get configuration from a remote source
 // and read it in the remote configuration registry.
 func ReadRemoteConfig() error { return v.ReadRemoteConfig() }
+
 func (v *Viper) ReadRemoteConfig() error {
 	return v.getKeyValueConfig()
 }
@@ -1777,9 +1885,13 @@ func (v *Viper) getKeyValueConfig() error {
 	for _, rp := range v.remoteProviders {
 		val, err := v.getRemoteConfig(rp)
 		if err != nil {
+			jww.ERROR.Printf("get remote config: %s", err)
+
 			continue
 		}
+
 		v.kvstore = val
+
 		return nil
 	}
 	return RemoteConfigError("No Files Found")
@@ -1836,13 +1948,14 @@ func (v *Viper) watchRemoteConfig(provider RemoteProvider) (map[string]interface
 // AllKeys returns all keys holding a value, regardless of where they are set.
 // Nested keys are returned with a v.keyDelim separator
 func AllKeys() []string { return v.AllKeys() }
+
 func (v *Viper) AllKeys() []string {
 	m := map[string]bool{}
 	// add all paths, by order of descending priority to ensure correct shadowing
 	m = v.flattenAndMergeMap(m, castMapStringToMapInterface(v.aliases), "")
 	m = v.flattenAndMergeMap(m, v.override, "")
 	m = v.mergeFlatMap(m, castMapFlagToMapInterface(v.pflags))
-	m = v.mergeFlatMap(m, castMapStringToMapInterface(v.env))
+	m = v.mergeFlatMap(m, castMapStringSliceToMapInterface(v.env))
 	m = v.flattenAndMergeMap(m, v.config, "")
 	m = v.flattenAndMergeMap(m, v.kvstore, "")
 	m = v.flattenAndMergeMap(m, v.defaults, "")
@@ -1916,6 +2029,7 @@ outer:
 
 // AllSettings merges all settings and returns them as a map[string]interface{}.
 func AllSettings() map[string]interface{} { return v.AllSettings() }
+
 func (v *Viper) AllSettings() map[string]interface{} {
 	m := map[string]interface{}{}
 	// start from the list of keys, and construct the map one value at a time
@@ -1937,6 +2051,7 @@ func (v *Viper) AllSettings() map[string]interface{} {
 
 // SetFs sets the filesystem to use to read configuration.
 func SetFs(fs afero.Fs) { v.SetFs(fs) }
+
 func (v *Viper) SetFs(fs afero.Fs) {
 	v.fs = fs
 }
@@ -1944,6 +2059,7 @@ func (v *Viper) SetFs(fs afero.Fs) {
 // SetConfigName sets name for the config file.
 // Does not include extension.
 func SetConfigName(in string) { v.SetConfigName(in) }
+
 func (v *Viper) SetConfigName(in string) {
 	if in != "" {
 		v.configName = in
@@ -1954,6 +2070,7 @@ func (v *Viper) SetConfigName(in string) {
 // SetConfigType sets the type of the configuration returned by the
 // remote source, e.g. "json".
 func SetConfigType(in string) { v.SetConfigType(in) }
+
 func (v *Viper) SetConfigType(in string) {
 	if in != "" {
 		v.configType = in
@@ -1962,10 +2079,18 @@ func (v *Viper) SetConfigType(in string) {
 
 // SetConfigPermissions sets the permissions for the config file.
 func SetConfigPermissions(perm os.FileMode) { v.SetConfigPermissions(perm) }
+
 func (v *Viper) SetConfigPermissions(perm os.FileMode) {
 	v.configPermissions = perm.Perm()
 }
 
+// IniLoadOptions sets the load options for ini parsing.
+func IniLoadOptions(in ini.LoadOptions) Option {
+	return optionFunc(func(v *Viper) {
+		v.iniLoadOptions = in
+	})
+}
+
 func (v *Viper) getConfigType() string {
 	if v.configType != "" {
 		return v.configType
@@ -2032,6 +2157,7 @@ func (v *Viper) findConfigFile() (string, error) {
 // Debug prints all configuration registries for debugging
 // purposes.
 func Debug() { v.Debug() }
+
 func (v *Viper) Debug() {
 	fmt.Printf("Aliases:\n%#v\n", v.aliases)
 	fmt.Printf("Override:\n%#v\n", v.override)
diff --git a/vendor/github.com/spf13/viper/watch.go b/vendor/github.com/spf13/viper/watch.go
new file mode 100644
index 000000000..c433a8fa4
--- /dev/null
+++ b/vendor/github.com/spf13/viper/watch.go
@@ -0,0 +1,11 @@
+// +build !js
+
+package viper
+
+import "github.com/fsnotify/fsnotify"
+
+type watcher = fsnotify.Watcher
+
+func newWatcher() (*watcher, error) {
+	return fsnotify.NewWatcher()
+}
diff --git a/vendor/github.com/spf13/viper/watch_wasm.go b/vendor/github.com/spf13/viper/watch_wasm.go
new file mode 100644
index 000000000..8e47e6a91
--- /dev/null
+++ b/vendor/github.com/spf13/viper/watch_wasm.go
@@ -0,0 +1,30 @@
+// +build js,wasm
+
+package viper
+
+import (
+	"errors"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+type watcher struct {
+	Events chan fsnotify.Event
+	Errors chan error
+}
+
+func (*watcher) Close() error {
+	return nil
+}
+
+func (*watcher) Add(name string) error {
+	return nil
+}
+
+func (*watcher) Remove(name string) error {
+	return nil
+}
+
+func newWatcher() (*watcher, error) {
+	return &watcher{}, errors.New("fsnotify is not supported on WASM")
+}
diff --git a/vendor/go.opencensus.io/.travis.yml b/vendor/go.opencensus.io/.travis.yml
deleted file mode 100644
index bd6b66ee8..000000000
--- a/vendor/go.opencensus.io/.travis.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-language: go
-
-go_import_path: go.opencensus.io
-
-go:
-  - 1.11.x
-
-env:
-  global:
-    GO111MODULE=on
-
-before_script:
-  - make install-tools
-
-script:
-  - make travis-ci
-  - go run internal/check/version.go # TODO move this to makefile
diff --git a/vendor/go.opencensus.io/Makefile b/vendor/go.opencensus.io/Makefile
index 457866cb1..b3ce3df30 100644
--- a/vendor/go.opencensus.io/Makefile
+++ b/vendor/go.opencensus.io/Makefile
@@ -8,7 +8,7 @@ ALL_PKGS := $(shell go list $(sort $(dir $(ALL_SRC))))
 GOTEST_OPT?=-v -race -timeout 30s
 GOTEST_OPT_WITH_COVERAGE = $(GOTEST_OPT) -coverprofile=coverage.txt -covermode=atomic
 GOTEST=go test
-GOFMT=gofmt
+GOIMPORTS=goimports
 GOLINT=golint
 GOVET=go vet
 EMBEDMD=embedmd
@@ -17,14 +17,14 @@ TRACE_ID_LINT_EXCEPTION="type name will be used as trace.TraceID by other packag
 TRACE_OPTION_LINT_EXCEPTION="type name will be used as trace.TraceOptions by other packages"
 README_FILES := $(shell find . -name '*README.md' | sort | tr '\n' ' ')
 
-.DEFAULT_GOAL := fmt-lint-vet-embedmd-test
+.DEFAULT_GOAL := imports-lint-vet-embedmd-test
 
-.PHONY: fmt-lint-vet-embedmd-test
-fmt-lint-vet-embedmd-test: fmt lint vet embedmd test
+.PHONY: imports-lint-vet-embedmd-test
+imports-lint-vet-embedmd-test: imports lint vet embedmd test
 
 # TODO enable test-with-coverage in tavis
 .PHONY: travis-ci
-travis-ci: fmt lint vet embedmd test test-386
+travis-ci: imports lint vet embedmd test test-386
 
 all-pkgs:
 	@echo $(ALL_PKGS) | tr ' ' '\n' | sort
@@ -44,15 +44,15 @@ test-386:
 test-with-coverage:
 	$(GOTEST) $(GOTEST_OPT_WITH_COVERAGE) $(ALL_PKGS)
 
-.PHONY: fmt
-fmt:
-	@FMTOUT=`$(GOFMT) -s -l $(ALL_SRC) 2>&1`; \
-	if [ "$$FMTOUT" ]; then \
-		echo "$(GOFMT) FAILED => gofmt the following files:\n"; \
-		echo "$$FMTOUT\n"; \
+.PHONY: imports
+imports:
+	@IMPORTSOUT=`$(GOIMPORTS) -l $(ALL_SRC) 2>&1`; \
+	if [ "$$IMPORTSOUT" ]; then \
+		echo "$(GOIMPORTS) FAILED => goimports the following files:\n"; \
+		echo "$$IMPORTSOUT\n"; \
 		exit 1; \
 	else \
-	    echo "Fmt finished successfully"; \
+	    echo "Imports finished successfully"; \
 	fi
 
 .PHONY: lint
@@ -91,6 +91,7 @@ embedmd:
 
 .PHONY: install-tools
 install-tools:
-	go get -u golang.org/x/tools/cmd/cover
 	go get -u golang.org/x/lint/golint
+	go get -u golang.org/x/tools/cmd/cover
+	go get -u golang.org/x/tools/cmd/goimports
 	go get -u github.com/rakyll/embedmd
diff --git a/vendor/go.opencensus.io/go.mod b/vendor/go.opencensus.io/go.mod
index c867df5f5..95b2522a7 100644
--- a/vendor/go.opencensus.io/go.mod
+++ b/vendor/go.opencensus.io/go.mod
@@ -1,15 +1,12 @@
 module go.opencensus.io
 
 require (
-	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6
-	github.com/golang/protobuf v1.3.1
-	github.com/google/go-cmp v0.3.0
-	github.com/stretchr/testify v1.4.0
-	golang.org/x/net v0.0.0-20190620200207-3b0461eec859
-	golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd // indirect
-	golang.org/x/text v0.3.2 // indirect
-	google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb // indirect
-	google.golang.org/grpc v1.20.1
+	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
+	github.com/golang/protobuf v1.4.3
+	github.com/google/go-cmp v0.5.3
+	github.com/stretchr/testify v1.6.1
+	golang.org/x/net v0.0.0-20201110031124-69a78807bb2b
+	google.golang.org/grpc v1.33.2
 )
 
 go 1.13
diff --git a/vendor/go.opencensus.io/go.sum b/vendor/go.opencensus.io/go.sum
index 01c02972c..c97cd1b55 100644
--- a/vendor/go.opencensus.io/go.sum
+++ b/vendor/go.opencensus.io/go.sum
@@ -1,25 +1,47 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 h1:ZgQEtGgCBiWRM39fZuwSd1LwSqqSW0hOdXCYYDX0R3I=
-github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3 h1:x95R7cp+rSeeqAMI2knLtQ0DKlaBhv2NrtrOvafPHRo=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -30,24 +52,25 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b h1:uwuIcX0g4Yl1NC5XAz37xsr2lTtcqevgzYNVt49waME=
+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f h1:Bl/8QSvNqXvPGPGXa2z5xUTmV7VDcZyvRZ+QQXkXTZQ=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6 h1:bjcUS9ztw9kFmmIxJInhon/0Is3p+EHBKNgquIzo1OI=
-golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd h1:r7DufRZuZbWB7j439YfAzP8RPDa9unLkpwQKUYbIMPI=
-golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -55,20 +78,39 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd h1:/e+gpKk9r3dJobndpTytxS2gOy6m5uvpg+ISQoEcusQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb h1:i1Ppqkc3WQXikh8bXiwHqAN5Rv3/qDCcRk0/Otx73BY=
-google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/grpc v1.19.0 h1:cfg4PD8YEdSFnm7qLV4++93WcmhH2nIUhMjhdCvl3j8=
 google.golang.org/grpc v1.19.0 h1:cfg4PD8YEdSFnm7qLV4++93WcmhH2nIUhMjhdCvl3j8=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1 h1:Hz2g2wirWK7H0qIIhGIqRGTuMwTE8HEKFnDZZ7lm9NU=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
+google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/vendor/go.opencensus.io/trace/basetypes.go b/vendor/go.opencensus.io/trace/basetypes.go
index 0c54492a2..c8e26ed63 100644
--- a/vendor/go.opencensus.io/trace/basetypes.go
+++ b/vendor/go.opencensus.io/trace/basetypes.go
@@ -49,6 +49,16 @@ type Attribute struct {
 	value interface{}
 }
 
+// Key returns the attribute's key
+func (a *Attribute) Key() string {
+	return a.key
+}
+
+// Value returns the attribute's value
+func (a *Attribute) Value() interface{} {
+	return a.value
+}
+
 // BoolAttribute returns a bool-valued attribute.
 func BoolAttribute(key string, value bool) Attribute {
 	return Attribute{key: key, value: value}
diff --git a/vendor/go.opencensus.io/trace/lrumap.go b/vendor/go.opencensus.io/trace/lrumap.go
index dc7a295c7..908c2497e 100644
--- a/vendor/go.opencensus.io/trace/lrumap.go
+++ b/vendor/go.opencensus.io/trace/lrumap.go
@@ -44,7 +44,7 @@ func (lm lruMap) len() int {
 }
 
 func (lm lruMap) keys() []interface{} {
-	keys := []interface{}{}
+	keys := make([]interface{}, len(lm.cacheKeys))
 	for k := range lm.cacheKeys {
 		keys = append(keys, k)
 	}
diff --git a/vendor/go.opencensus.io/trace/spanstore.go b/vendor/go.opencensus.io/trace/spanstore.go
index c442d9902..e601f76f2 100644
--- a/vendor/go.opencensus.io/trace/spanstore.go
+++ b/vendor/go.opencensus.io/trace/spanstore.go
@@ -48,8 +48,10 @@ func (i internalOnly) ReportActiveSpans(name string) []*SpanData {
 	var out []*SpanData
 	s.mu.Lock()
 	defer s.mu.Unlock()
-	for span := range s.active {
-		out = append(out, span.makeSpanData())
+	for activeSpan := range s.active {
+		if s, ok := activeSpan.(*span); ok {
+			out = append(out, s.makeSpanData())
+		}
 	}
 	return out
 }
@@ -185,7 +187,7 @@ func (i internalOnly) ReportSpansByLatency(name string, minLatency, maxLatency t
 // bucketed by latency.
 type spanStore struct {
 	mu                     sync.Mutex // protects everything below.
-	active                 map[*Span]struct{}
+	active                 map[SpanInterface]struct{}
 	errors                 map[int32]*bucket
 	latency                []bucket
 	maxSpansPerErrorBucket int
@@ -194,7 +196,7 @@ type spanStore struct {
 // newSpanStore creates a span store.
 func newSpanStore(name string, latencyBucketSize int, errorBucketSize int) *spanStore {
 	s := &spanStore{
-		active:                 make(map[*Span]struct{}),
+		active:                 make(map[SpanInterface]struct{}),
 		latency:                make([]bucket, len(defaultLatencies)+1),
 		maxSpansPerErrorBucket: errorBucketSize,
 	}
@@ -271,7 +273,7 @@ func (s *spanStore) resize(latencyBucketSize int, errorBucketSize int) {
 }
 
 // add adds a span to the active bucket of the spanStore.
-func (s *spanStore) add(span *Span) {
+func (s *spanStore) add(span SpanInterface) {
 	s.mu.Lock()
 	s.active[span] = struct{}{}
 	s.mu.Unlock()
@@ -279,7 +281,7 @@ func (s *spanStore) add(span *Span) {
 
 // finished removes a span from the active set, and adds a corresponding
 // SpanData to a latency or error bucket.
-func (s *spanStore) finished(span *Span, sd *SpanData) {
+func (s *spanStore) finished(span SpanInterface, sd *SpanData) {
 	latency := sd.EndTime.Sub(sd.StartTime)
 	if latency < 0 {
 		latency = 0
diff --git a/vendor/go.opencensus.io/trace/trace.go b/vendor/go.opencensus.io/trace/trace.go
index 3f8977b41..861df9d39 100644
--- a/vendor/go.opencensus.io/trace/trace.go
+++ b/vendor/go.opencensus.io/trace/trace.go
@@ -28,12 +28,16 @@ import (
 	"go.opencensus.io/trace/tracestate"
 )
 
+type tracer struct{}
+
+var _ Tracer = &tracer{}
+
 // Span represents a span of a trace.  It has an associated SpanContext, and
 // stores data accumulated while the span is active.
 //
 // Ideally users should interact with Spans by calling the functions in this
 // package that take a Context parameter.
-type Span struct {
+type span struct {
 	// data contains information recorded about the span.
 	//
 	// It will be non-nil if we are exporting the span or recording events for it.
@@ -66,7 +70,7 @@ type Span struct {
 // IsRecordingEvents returns true if events are being recorded for this span.
 // Use this check to avoid computing expensive annotations when they will never
 // be used.
-func (s *Span) IsRecordingEvents() bool {
+func (s *span) IsRecordingEvents() bool {
 	if s == nil {
 		return false
 	}
@@ -109,13 +113,13 @@ type SpanContext struct {
 type contextKey struct{}
 
 // FromContext returns the Span stored in a context, or nil if there isn't one.
-func FromContext(ctx context.Context) *Span {
+func (t *tracer) FromContext(ctx context.Context) *Span {
 	s, _ := ctx.Value(contextKey{}).(*Span)
 	return s
 }
 
 // NewContext returns a new context with the given Span attached.
-func NewContext(parent context.Context, s *Span) context.Context {
+func (t *tracer) NewContext(parent context.Context, s *Span) context.Context {
 	return context.WithValue(parent, contextKey{}, s)
 }
 
@@ -166,12 +170,14 @@ func WithSampler(sampler Sampler) StartOption {
 //
 // Returned context contains the newly created span. You can use it to
 // propagate the returned span in process.
-func StartSpan(ctx context.Context, name string, o ...StartOption) (context.Context, *Span) {
+func (t *tracer) StartSpan(ctx context.Context, name string, o ...StartOption) (context.Context, *Span) {
 	var opts StartOptions
 	var parent SpanContext
-	if p := FromContext(ctx); p != nil {
-		p.addChild()
-		parent = p.spanContext
+	if p := t.FromContext(ctx); p != nil {
+		if ps, ok := p.internal.(*span); ok {
+			ps.addChild()
+		}
+		parent = p.SpanContext()
 	}
 	for _, op := range o {
 		op(&opts)
@@ -180,7 +186,8 @@ func StartSpan(ctx context.Context, name string, o ...StartOption) (context.Cont
 
 	ctx, end := startExecutionTracerTask(ctx, name)
 	span.executionTracerTaskEnd = end
-	return NewContext(ctx, span), span
+	extSpan := NewSpan(span)
+	return t.NewContext(ctx, extSpan), extSpan
 }
 
 // StartSpanWithRemoteParent starts a new child span of the span from the given parent.
@@ -190,7 +197,7 @@ func StartSpan(ctx context.Context, name string, o ...StartOption) (context.Cont
 //
 // Returned context contains the newly created span. You can use it to
 // propagate the returned span in process.
-func StartSpanWithRemoteParent(ctx context.Context, name string, parent SpanContext, o ...StartOption) (context.Context, *Span) {
+func (t *tracer) StartSpanWithRemoteParent(ctx context.Context, name string, parent SpanContext, o ...StartOption) (context.Context, *Span) {
 	var opts StartOptions
 	for _, op := range o {
 		op(&opts)
@@ -198,19 +205,24 @@ func StartSpanWithRemoteParent(ctx context.Context, name string, parent SpanCont
 	span := startSpanInternal(name, parent != SpanContext{}, parent, true, opts)
 	ctx, end := startExecutionTracerTask(ctx, name)
 	span.executionTracerTaskEnd = end
-	return NewContext(ctx, span), span
+	extSpan := NewSpan(span)
+	return t.NewContext(ctx, extSpan), extSpan
 }
 
-func startSpanInternal(name string, hasParent bool, parent SpanContext, remoteParent bool, o StartOptions) *Span {
-	span := &Span{}
-	span.spanContext = parent
+func startSpanInternal(name string, hasParent bool, parent SpanContext, remoteParent bool, o StartOptions) *span {
+	s := &span{}
+	s.spanContext = parent
 
 	cfg := config.Load().(*Config)
+	if gen, ok := cfg.IDGenerator.(*defaultIDGenerator); ok {
+		// lazy initialization
+		gen.init()
+	}
 
 	if !hasParent {
-		span.spanContext.TraceID = cfg.IDGenerator.NewTraceID()
+		s.spanContext.TraceID = cfg.IDGenerator.NewTraceID()
 	}
-	span.spanContext.SpanID = cfg.IDGenerator.NewSpanID()
+	s.spanContext.SpanID = cfg.IDGenerator.NewSpanID()
 	sampler := cfg.DefaultSampler
 
 	if !hasParent || remoteParent || o.Sampler != nil {
@@ -222,47 +234,47 @@ func startSpanInternal(name string, hasParent bool, parent SpanContext, remotePa
 		if o.Sampler != nil {
 			sampler = o.Sampler
 		}
-		span.spanContext.setIsSampled(sampler(SamplingParameters{
+		s.spanContext.setIsSampled(sampler(SamplingParameters{
 			ParentContext:   parent,
-			TraceID:         span.spanContext.TraceID,
-			SpanID:          span.spanContext.SpanID,
+			TraceID:         s.spanContext.TraceID,
+			SpanID:          s.spanContext.SpanID,
 			Name:            name,
 			HasRemoteParent: remoteParent}).Sample)
 	}
 
-	if !internal.LocalSpanStoreEnabled && !span.spanContext.IsSampled() {
-		return span
+	if !internal.LocalSpanStoreEnabled && !s.spanContext.IsSampled() {
+		return s
 	}
 
-	span.data = &SpanData{
-		SpanContext:     span.spanContext,
+	s.data = &SpanData{
+		SpanContext:     s.spanContext,
 		StartTime:       time.Now(),
 		SpanKind:        o.SpanKind,
 		Name:            name,
 		HasRemoteParent: remoteParent,
 	}
-	span.lruAttributes = newLruMap(cfg.MaxAttributesPerSpan)
-	span.annotations = newEvictedQueue(cfg.MaxAnnotationEventsPerSpan)
-	span.messageEvents = newEvictedQueue(cfg.MaxMessageEventsPerSpan)
-	span.links = newEvictedQueue(cfg.MaxLinksPerSpan)
+	s.lruAttributes = newLruMap(cfg.MaxAttributesPerSpan)
+	s.annotations = newEvictedQueue(cfg.MaxAnnotationEventsPerSpan)
+	s.messageEvents = newEvictedQueue(cfg.MaxMessageEventsPerSpan)
+	s.links = newEvictedQueue(cfg.MaxLinksPerSpan)
 
 	if hasParent {
-		span.data.ParentSpanID = parent.SpanID
+		s.data.ParentSpanID = parent.SpanID
 	}
 	if internal.LocalSpanStoreEnabled {
 		var ss *spanStore
 		ss = spanStoreForNameCreateIfNew(name)
 		if ss != nil {
-			span.spanStore = ss
-			ss.add(span)
+			s.spanStore = ss
+			ss.add(s)
 		}
 	}
 
-	return span
+	return s
 }
 
 // End ends the span.
-func (s *Span) End() {
+func (s *span) End() {
 	if s == nil {
 		return
 	}
@@ -292,7 +304,7 @@ func (s *Span) End() {
 
 // makeSpanData produces a SpanData representing the current state of the Span.
 // It requires that s.data is non-nil.
-func (s *Span) makeSpanData() *SpanData {
+func (s *span) makeSpanData() *SpanData {
 	var sd SpanData
 	s.mu.Lock()
 	sd = *s.data
@@ -317,7 +329,7 @@ func (s *Span) makeSpanData() *SpanData {
 }
 
 // SpanContext returns the SpanContext of the span.
-func (s *Span) SpanContext() SpanContext {
+func (s *span) SpanContext() SpanContext {
 	if s == nil {
 		return SpanContext{}
 	}
@@ -325,7 +337,7 @@ func (s *Span) SpanContext() SpanContext {
 }
 
 // SetName sets the name of the span, if it is recording events.
-func (s *Span) SetName(name string) {
+func (s *span) SetName(name string) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -335,7 +347,7 @@ func (s *Span) SetName(name string) {
 }
 
 // SetStatus sets the status of the span, if it is recording events.
-func (s *Span) SetStatus(status Status) {
+func (s *span) SetStatus(status Status) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -344,32 +356,32 @@ func (s *Span) SetStatus(status Status) {
 	s.mu.Unlock()
 }
 
-func (s *Span) interfaceArrayToLinksArray() []Link {
-	linksArr := make([]Link, 0)
+func (s *span) interfaceArrayToLinksArray() []Link {
+	linksArr := make([]Link, 0, len(s.links.queue))
 	for _, value := range s.links.queue {
 		linksArr = append(linksArr, value.(Link))
 	}
 	return linksArr
 }
 
-func (s *Span) interfaceArrayToMessageEventArray() []MessageEvent {
-	messageEventArr := make([]MessageEvent, 0)
+func (s *span) interfaceArrayToMessageEventArray() []MessageEvent {
+	messageEventArr := make([]MessageEvent, 0, len(s.messageEvents.queue))
 	for _, value := range s.messageEvents.queue {
 		messageEventArr = append(messageEventArr, value.(MessageEvent))
 	}
 	return messageEventArr
 }
 
-func (s *Span) interfaceArrayToAnnotationArray() []Annotation {
-	annotationArr := make([]Annotation, 0)
+func (s *span) interfaceArrayToAnnotationArray() []Annotation {
+	annotationArr := make([]Annotation, 0, len(s.annotations.queue))
 	for _, value := range s.annotations.queue {
 		annotationArr = append(annotationArr, value.(Annotation))
 	}
 	return annotationArr
 }
 
-func (s *Span) lruAttributesToAttributeMap() map[string]interface{} {
-	attributes := make(map[string]interface{})
+func (s *span) lruAttributesToAttributeMap() map[string]interface{} {
+	attributes := make(map[string]interface{}, s.lruAttributes.len())
 	for _, key := range s.lruAttributes.keys() {
 		value, ok := s.lruAttributes.get(key)
 		if ok {
@@ -380,13 +392,13 @@ func (s *Span) lruAttributesToAttributeMap() map[string]interface{} {
 	return attributes
 }
 
-func (s *Span) copyToCappedAttributes(attributes []Attribute) {
+func (s *span) copyToCappedAttributes(attributes []Attribute) {
 	for _, a := range attributes {
 		s.lruAttributes.add(a.key, a.value)
 	}
 }
 
-func (s *Span) addChild() {
+func (s *span) addChild() {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -398,7 +410,7 @@ func (s *Span) addChild() {
 // AddAttributes sets attributes in the span.
 //
 // Existing attributes whose keys appear in the attributes parameter are overwritten.
-func (s *Span) AddAttributes(attributes ...Attribute) {
+func (s *span) AddAttributes(attributes ...Attribute) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -407,49 +419,27 @@ func (s *Span) AddAttributes(attributes ...Attribute) {
 	s.mu.Unlock()
 }
 
-// copyAttributes copies a slice of Attributes into a map.
-func copyAttributes(m map[string]interface{}, attributes []Attribute) {
-	for _, a := range attributes {
-		m[a.key] = a.value
-	}
-}
-
-func (s *Span) lazyPrintfInternal(attributes []Attribute, format string, a ...interface{}) {
+func (s *span) printStringInternal(attributes []Attribute, str string) {
 	now := time.Now()
-	msg := fmt.Sprintf(format, a...)
-	var m map[string]interface{}
-	s.mu.Lock()
+	var am map[string]interface{}
 	if len(attributes) != 0 {
-		m = make(map[string]interface{})
-		copyAttributes(m, attributes)
+		am = make(map[string]interface{}, len(attributes))
+		for _, attr := range attributes {
+			am[attr.key] = attr.value
+		}
 	}
-	s.annotations.add(Annotation{
-		Time:       now,
-		Message:    msg,
-		Attributes: m,
-	})
-	s.mu.Unlock()
-}
-
-func (s *Span) printStringInternal(attributes []Attribute, str string) {
-	now := time.Now()
-	var a map[string]interface{}
 	s.mu.Lock()
-	if len(attributes) != 0 {
-		a = make(map[string]interface{})
-		copyAttributes(a, attributes)
-	}
 	s.annotations.add(Annotation{
 		Time:       now,
 		Message:    str,
-		Attributes: a,
+		Attributes: am,
 	})
 	s.mu.Unlock()
 }
 
 // Annotate adds an annotation with attributes.
 // Attributes can be nil.
-func (s *Span) Annotate(attributes []Attribute, str string) {
+func (s *span) Annotate(attributes []Attribute, str string) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -457,11 +447,11 @@ func (s *Span) Annotate(attributes []Attribute, str string) {
 }
 
 // Annotatef adds an annotation with attributes.
-func (s *Span) Annotatef(attributes []Attribute, format string, a ...interface{}) {
+func (s *span) Annotatef(attributes []Attribute, format string, a ...interface{}) {
 	if !s.IsRecordingEvents() {
 		return
 	}
-	s.lazyPrintfInternal(attributes, format, a...)
+	s.printStringInternal(attributes, fmt.Sprintf(format, a...))
 }
 
 // AddMessageSendEvent adds a message send event to the span.
@@ -470,7 +460,7 @@ func (s *Span) Annotatef(attributes []Attribute, format string, a ...interface{}
 // unique in this span and the same between the send event and the receive
 // event (this allows to identify a message between the sender and receiver).
 // For example, this could be a sequence id.
-func (s *Span) AddMessageSendEvent(messageID, uncompressedByteSize, compressedByteSize int64) {
+func (s *span) AddMessageSendEvent(messageID, uncompressedByteSize, compressedByteSize int64) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -492,7 +482,7 @@ func (s *Span) AddMessageSendEvent(messageID, uncompressedByteSize, compressedBy
 // unique in this span and the same between the send event and the receive
 // event (this allows to identify a message between the sender and receiver).
 // For example, this could be a sequence id.
-func (s *Span) AddMessageReceiveEvent(messageID, uncompressedByteSize, compressedByteSize int64) {
+func (s *span) AddMessageReceiveEvent(messageID, uncompressedByteSize, compressedByteSize int64) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -509,7 +499,7 @@ func (s *Span) AddMessageReceiveEvent(messageID, uncompressedByteSize, compresse
 }
 
 // AddLink adds a link to the span.
-func (s *Span) AddLink(l Link) {
+func (s *span) AddLink(l Link) {
 	if !s.IsRecordingEvents() {
 		return
 	}
@@ -518,7 +508,7 @@ func (s *Span) AddLink(l Link) {
 	s.mu.Unlock()
 }
 
-func (s *Span) String() string {
+func (s *span) String() string {
 	if s == nil {
 		return "<nil>"
 	}
@@ -534,20 +524,9 @@ func (s *Span) String() string {
 var config atomic.Value // access atomically
 
 func init() {
-	gen := &defaultIDGenerator{}
-	// initialize traceID and spanID generators.
-	var rngSeed int64
-	for _, p := range []interface{}{
-		&rngSeed, &gen.traceIDAdd, &gen.nextSpanID, &gen.spanIDInc,
-	} {
-		binary.Read(crand.Reader, binary.LittleEndian, p)
-	}
-	gen.traceIDRand = rand.New(rand.NewSource(rngSeed))
-	gen.spanIDInc |= 1
-
 	config.Store(&Config{
 		DefaultSampler:             ProbabilitySampler(defaultSamplingProbability),
-		IDGenerator:                gen,
+		IDGenerator:                &defaultIDGenerator{},
 		MaxAttributesPerSpan:       DefaultMaxAttributesPerSpan,
 		MaxAnnotationEventsPerSpan: DefaultMaxAnnotationEventsPerSpan,
 		MaxMessageEventsPerSpan:    DefaultMaxMessageEventsPerSpan,
@@ -571,6 +550,24 @@ type defaultIDGenerator struct {
 
 	traceIDAdd  [2]uint64
 	traceIDRand *rand.Rand
+
+	initOnce sync.Once
+}
+
+// init initializes the generator on the first call to avoid consuming entropy
+// unnecessarily.
+func (gen *defaultIDGenerator) init() {
+	gen.initOnce.Do(func() {
+		// initialize traceID and spanID generators.
+		var rngSeed int64
+		for _, p := range []interface{}{
+			&rngSeed, &gen.traceIDAdd, &gen.nextSpanID, &gen.spanIDInc,
+		} {
+			binary.Read(crand.Reader, binary.LittleEndian, p)
+		}
+		gen.traceIDRand = rand.New(rand.NewSource(rngSeed))
+		gen.spanIDInc |= 1
+	})
 }
 
 // NewSpanID returns a non-zero span ID from a randomly-chosen sequence.
diff --git a/vendor/go.opencensus.io/trace/trace_api.go b/vendor/go.opencensus.io/trace/trace_api.go
new file mode 100644
index 000000000..9e2c3a999
--- /dev/null
+++ b/vendor/go.opencensus.io/trace/trace_api.go
@@ -0,0 +1,265 @@
+// Copyright 2020, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package trace
+
+import (
+	"context"
+)
+
+// DefaultTracer is the tracer used when package-level exported functions are invoked.
+var DefaultTracer Tracer = &tracer{}
+
+// Tracer can start spans and access context functions.
+type Tracer interface {
+
+	// StartSpan starts a new child span of the current span in the context. If
+	// there is no span in the context, creates a new trace and span.
+	//
+	// Returned context contains the newly created span. You can use it to
+	// propagate the returned span in process.
+	StartSpan(ctx context.Context, name string, o ...StartOption) (context.Context, *Span)
+
+	// StartSpanWithRemoteParent starts a new child span of the span from the given parent.
+	//
+	// If the incoming context contains a parent, it ignores. StartSpanWithRemoteParent is
+	// preferred for cases where the parent is propagated via an incoming request.
+	//
+	// Returned context contains the newly created span. You can use it to
+	// propagate the returned span in process.
+	StartSpanWithRemoteParent(ctx context.Context, name string, parent SpanContext, o ...StartOption) (context.Context, *Span)
+
+	// FromContext returns the Span stored in a context, or nil if there isn't one.
+	FromContext(ctx context.Context) *Span
+
+	// NewContext returns a new context with the given Span attached.
+	NewContext(parent context.Context, s *Span) context.Context
+}
+
+// StartSpan starts a new child span of the current span in the context. If
+// there is no span in the context, creates a new trace and span.
+//
+// Returned context contains the newly created span. You can use it to
+// propagate the returned span in process.
+func StartSpan(ctx context.Context, name string, o ...StartOption) (context.Context, *Span) {
+	return DefaultTracer.StartSpan(ctx, name, o...)
+}
+
+// StartSpanWithRemoteParent starts a new child span of the span from the given parent.
+//
+// If the incoming context contains a parent, it ignores. StartSpanWithRemoteParent is
+// preferred for cases where the parent is propagated via an incoming request.
+//
+// Returned context contains the newly created span. You can use it to
+// propagate the returned span in process.
+func StartSpanWithRemoteParent(ctx context.Context, name string, parent SpanContext, o ...StartOption) (context.Context, *Span) {
+	return DefaultTracer.StartSpanWithRemoteParent(ctx, name, parent, o...)
+}
+
+// FromContext returns the Span stored in a context, or a Span that is not
+// recording events if there isn't one.
+func FromContext(ctx context.Context) *Span {
+	return DefaultTracer.FromContext(ctx)
+}
+
+// NewContext returns a new context with the given Span attached.
+func NewContext(parent context.Context, s *Span) context.Context {
+	return DefaultTracer.NewContext(parent, s)
+}
+
+// SpanInterface represents a span of a trace.  It has an associated SpanContext, and
+// stores data accumulated while the span is active.
+//
+// Ideally users should interact with Spans by calling the functions in this
+// package that take a Context parameter.
+type SpanInterface interface {
+
+	// IsRecordingEvents returns true if events are being recorded for this span.
+	// Use this check to avoid computing expensive annotations when they will never
+	// be used.
+	IsRecordingEvents() bool
+
+	// End ends the span.
+	End()
+
+	// SpanContext returns the SpanContext of the span.
+	SpanContext() SpanContext
+
+	// SetName sets the name of the span, if it is recording events.
+	SetName(name string)
+
+	// SetStatus sets the status of the span, if it is recording events.
+	SetStatus(status Status)
+
+	// AddAttributes sets attributes in the span.
+	//
+	// Existing attributes whose keys appear in the attributes parameter are overwritten.
+	AddAttributes(attributes ...Attribute)
+
+	// Annotate adds an annotation with attributes.
+	// Attributes can be nil.
+	Annotate(attributes []Attribute, str string)
+
+	// Annotatef adds an annotation with attributes.
+	Annotatef(attributes []Attribute, format string, a ...interface{})
+
+	// AddMessageSendEvent adds a message send event to the span.
+	//
+	// messageID is an identifier for the message, which is recommended to be
+	// unique in this span and the same between the send event and the receive
+	// event (this allows to identify a message between the sender and receiver).
+	// For example, this could be a sequence id.
+	AddMessageSendEvent(messageID, uncompressedByteSize, compressedByteSize int64)
+
+	// AddMessageReceiveEvent adds a message receive event to the span.
+	//
+	// messageID is an identifier for the message, which is recommended to be
+	// unique in this span and the same between the send event and the receive
+	// event (this allows to identify a message between the sender and receiver).
+	// For example, this could be a sequence id.
+	AddMessageReceiveEvent(messageID, uncompressedByteSize, compressedByteSize int64)
+
+	// AddLink adds a link to the span.
+	AddLink(l Link)
+
+	// String prints a string representation of a span.
+	String() string
+}
+
+// NewSpan is a convenience function for creating a *Span out of a *span
+func NewSpan(s SpanInterface) *Span {
+	return &Span{internal: s}
+}
+
+// Span is a struct wrapper around the SpanInt interface, which allows correctly handling
+// nil spans, while also allowing the SpanInterface implementation to be swapped out.
+type Span struct {
+	internal SpanInterface
+}
+
+// Internal returns the underlying implementation of the Span
+func (s *Span) Internal() SpanInterface {
+	return s.internal
+}
+
+// IsRecordingEvents returns true if events are being recorded for this span.
+// Use this check to avoid computing expensive annotations when they will never
+// be used.
+func (s *Span) IsRecordingEvents() bool {
+	if s == nil {
+		return false
+	}
+	return s.internal.IsRecordingEvents()
+}
+
+// End ends the span.
+func (s *Span) End() {
+	if s == nil {
+		return
+	}
+	s.internal.End()
+}
+
+// SpanContext returns the SpanContext of the span.
+func (s *Span) SpanContext() SpanContext {
+	if s == nil {
+		return SpanContext{}
+	}
+	return s.internal.SpanContext()
+}
+
+// SetName sets the name of the span, if it is recording events.
+func (s *Span) SetName(name string) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.SetName(name)
+}
+
+// SetStatus sets the status of the span, if it is recording events.
+func (s *Span) SetStatus(status Status) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.SetStatus(status)
+}
+
+// AddAttributes sets attributes in the span.
+//
+// Existing attributes whose keys appear in the attributes parameter are overwritten.
+func (s *Span) AddAttributes(attributes ...Attribute) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.AddAttributes(attributes...)
+}
+
+// Annotate adds an annotation with attributes.
+// Attributes can be nil.
+func (s *Span) Annotate(attributes []Attribute, str string) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.Annotate(attributes, str)
+}
+
+// Annotatef adds an annotation with attributes.
+func (s *Span) Annotatef(attributes []Attribute, format string, a ...interface{}) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.Annotatef(attributes, format, a...)
+}
+
+// AddMessageSendEvent adds a message send event to the span.
+//
+// messageID is an identifier for the message, which is recommended to be
+// unique in this span and the same between the send event and the receive
+// event (this allows to identify a message between the sender and receiver).
+// For example, this could be a sequence id.
+func (s *Span) AddMessageSendEvent(messageID, uncompressedByteSize, compressedByteSize int64) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.AddMessageSendEvent(messageID, uncompressedByteSize, compressedByteSize)
+}
+
+// AddMessageReceiveEvent adds a message receive event to the span.
+//
+// messageID is an identifier for the message, which is recommended to be
+// unique in this span and the same between the send event and the receive
+// event (this allows to identify a message between the sender and receiver).
+// For example, this could be a sequence id.
+func (s *Span) AddMessageReceiveEvent(messageID, uncompressedByteSize, compressedByteSize int64) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.AddMessageReceiveEvent(messageID, uncompressedByteSize, compressedByteSize)
+}
+
+// AddLink adds a link to the span.
+func (s *Span) AddLink(l Link) {
+	if !s.IsRecordingEvents() {
+		return
+	}
+	s.internal.AddLink(l)
+}
+
+// String prints a string representation of a span.
+func (s *Span) String() string {
+	if s == nil {
+		return "<nil>"
+	}
+	return s.internal.String()
+}
diff --git a/vendor/golang.org/x/oauth2/README.md b/vendor/golang.org/x/oauth2/README.md
index 8cfd6063e..1473e1296 100644
--- a/vendor/golang.org/x/oauth2/README.md
+++ b/vendor/golang.org/x/oauth2/README.md
@@ -1,7 +1,7 @@
 # OAuth2 for Go
 
+[![Go Reference](https://pkg.go.dev/badge/golang.org/x/oauth2.svg)](https://pkg.go.dev/golang.org/x/oauth2)
 [![Build Status](https://travis-ci.org/golang/oauth2.svg?branch=master)](https://travis-ci.org/golang/oauth2)
-[![GoDoc](https://godoc.org/golang.org/x/oauth2?status.svg)](https://godoc.org/golang.org/x/oauth2)
 
 oauth2 package contains a client implementation for OAuth 2.0 spec.
 
@@ -14,17 +14,17 @@ go get golang.org/x/oauth2
 Or you can manually git clone the repository to
 `$(go env GOPATH)/src/golang.org/x/oauth2`.
 
-See godoc for further documentation and examples.
+See pkg.go.dev for further documentation and examples.
 
-* [godoc.org/golang.org/x/oauth2](https://godoc.org/golang.org/x/oauth2)
-* [godoc.org/golang.org/x/oauth2/google](https://godoc.org/golang.org/x/oauth2/google)
+* [pkg.go.dev/golang.org/x/oauth2](https://pkg.go.dev/golang.org/x/oauth2)
+* [pkg.go.dev/golang.org/x/oauth2/google](https://pkg.go.dev/golang.org/x/oauth2/google)
 
 ## Policy for new packages
 
 We no longer accept new provider-specific packages in this repo if all
 they do is add a single endpoint variable. If you just want to add a
 single endpoint, add it to the
-[godoc.org/golang.org/x/oauth2/endpoints](https://godoc.org/golang.org/x/oauth2/endpoints)
+[pkg.go.dev/golang.org/x/oauth2/endpoints](https://pkg.go.dev/golang.org/x/oauth2/endpoints)
 package.
 
 ## Report Issues / Send Patches
diff --git a/vendor/golang.org/x/oauth2/go.mod b/vendor/golang.org/x/oauth2/go.mod
index b34578155..2b13f0b34 100644
--- a/vendor/golang.org/x/oauth2/go.mod
+++ b/vendor/golang.org/x/oauth2/go.mod
@@ -3,8 +3,7 @@ module golang.org/x/oauth2
 go 1.11
 
 require (
-	cloud.google.com/go v0.34.0
-	golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e
-	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
-	google.golang.org/appengine v1.4.0
+	cloud.google.com/go v0.65.0
+	golang.org/x/net v0.0.0-20200822124328-c89045814202
+	google.golang.org/appengine v1.6.6
 )
diff --git a/vendor/golang.org/x/oauth2/go.sum b/vendor/golang.org/x/oauth2/go.sum
index 6f0079b0d..eab5833c4 100644
--- a/vendor/golang.org/x/oauth2/go.sum
+++ b/vendor/golang.org/x/oauth2/go.sum
@@ -1,12 +1,361 @@
-cloud.google.com/go v0.34.0 h1:eOI3/cP2VTU6uZLDYAoic+eyzzB9YyGmJ7eIjl8rOPg=
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0 h1:Dg9iHVQfrhq82rUNu9ZxUDrJLaxFUe/HlCVaLyRruq8=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
+github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
+github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
+github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
+github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
+github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
+github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1 h1:JFrFEBb2xKufg6XkJsJr+WbKb4FQlURi5RUcBveYu9k=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
+github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
+github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
+github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
+github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
+github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
+github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
+github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
+go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
+go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
+golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
+golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
+golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
+golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
+golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
+golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
+golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
+golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
+golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
+golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
+golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
+golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
+golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e h1:bRhVy7zSSasaqNksaRZiA5EEI+Ei4I1nO5Jh72wfHlg=
+golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
+golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200501052902-10377860bb8e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
+golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
+golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200227222343-706bc42d1f0d/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200304193943-95d2e580d8eb/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200312045724-11d5b4c81c7d/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200331025713-a30bf2db82d4/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8=
+golang.org/x/tools v0.0.0-20200501065659-ab2804fb9c9d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200515010526-7d3b6ebf133d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
+google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
+google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
+google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.19.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
+google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
+google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
+google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
+google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.6 h1:lMO5rYAqUxkmaj76jAkRUvt5JZgFymx/+Q5Mzfivuhc=
+google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
+google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
+google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
+google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
+google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
+google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/vendor/golang.org/x/oauth2/internal/client_appengine.go b/vendor/golang.org/x/oauth2/internal/client_appengine.go
index 743487188..e1755d1d9 100644
--- a/vendor/golang.org/x/oauth2/internal/client_appengine.go
+++ b/vendor/golang.org/x/oauth2/internal/client_appengine.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build appengine
 // +build appengine
 
 package internal
diff --git a/vendor/google.golang.org/grpc/.travis.yml b/vendor/google.golang.org/grpc/.travis.yml
index a11e8cbca..5847d94e5 100644
--- a/vendor/google.golang.org/grpc/.travis.yml
+++ b/vendor/google.golang.org/grpc/.travis.yml
@@ -2,22 +2,22 @@ language: go
 
 matrix:
   include:
-  - go: 1.13.x
+  - go: 1.14.x
     env: VET=1 GO111MODULE=on
-  - go: 1.13.x
+  - go: 1.14.x
     env: RACE=1 GO111MODULE=on
-  - go: 1.13.x
+  - go: 1.14.x
     env: RUN386=1
-  - go: 1.13.x
+  - go: 1.14.x
     env: GRPC_GO_RETRY=on
-  - go: 1.13.x
+  - go: 1.14.x
     env: TESTEXTRAS=1
+  - go: 1.13.x
+    env: GO111MODULE=on
   - go: 1.12.x
     env: GO111MODULE=on
-  - go: 1.11.x
+  - go: 1.11.x  # Keep until interop tests no longer require Go1.11
     env: GO111MODULE=on
-  - go: 1.9.x
-    env: GAE=1
 
 go_import_path: google.golang.org/grpc
 
@@ -35,7 +35,7 @@ install:
 
 script:
   - set -e
-  - if [[ -n "${TESTEXTRAS}" ]]; then examples/examples_test.sh; interop/interop_test.sh; make testsubmodule; exit 0; fi
+  - if [[ -n "${TESTEXTRAS}" ]]; then examples/examples_test.sh; security/advancedtls/examples/examples_test.sh; interop/interop_test.sh; make testsubmodule; exit 0; fi
   - if [[ -n "${VET}" ]]; then ./vet.sh; fi
   - if [[ -n "${GAE}" ]]; then make testappengine; exit 0; fi
   - if [[ -n "${RACE}" ]]; then make testrace; exit 0; fi
diff --git a/vendor/google.golang.org/grpc/CONTRIBUTING.md b/vendor/google.golang.org/grpc/CONTRIBUTING.md
index 4f1567e2f..cd03f8c76 100644
--- a/vendor/google.golang.org/grpc/CONTRIBUTING.md
+++ b/vendor/google.golang.org/grpc/CONTRIBUTING.md
@@ -57,6 +57,5 @@ How to get your contributions merged smoothly and quickly.
   - `make vet` to catch vet errors
   - `make test` to run the tests
   - `make testrace` to run tests in race mode
-  - optional `make testappengine` to run tests with appengine
 
 - Exceptions to the rules can be made if there's a compelling reason for doing so.
diff --git a/vendor/google.golang.org/grpc/Makefile b/vendor/google.golang.org/grpc/Makefile
index 410f7d56d..1f0722f16 100644
--- a/vendor/google.golang.org/grpc/Makefile
+++ b/vendor/google.golang.org/grpc/Makefile
@@ -1,13 +1,13 @@
 all: vet test testrace
 
-build: deps
+build:
 	go build google.golang.org/grpc/...
 
 clean:
 	go clean -i google.golang.org/grpc/...
 
 deps:
-	go get -d -v google.golang.org/grpc/...
+	GO111MODULE=on go get -d -v google.golang.org/grpc/...
 
 proto:
 	@ if ! which protoc > /dev/null; then \
@@ -16,29 +16,18 @@ proto:
 	fi
 	go generate google.golang.org/grpc/...
 
-test: testdeps
+test:
 	go test -cpu 1,4 -timeout 7m google.golang.org/grpc/...
 
-testsubmodule: testdeps
+testsubmodule:
 	cd security/advancedtls && go test -cpu 1,4 -timeout 7m google.golang.org/grpc/security/advancedtls/...
+	cd security/authorization && go test -cpu 1,4 -timeout 7m google.golang.org/grpc/security/authorization/...
 
-testappengine: testappenginedeps
-	goapp test -cpu 1,4 -timeout 7m google.golang.org/grpc/...
-
-testappenginedeps:
-	goapp get -d -v -t -tags 'appengine appenginevm' google.golang.org/grpc/...
-
-testdeps:
-	go get -d -v -t google.golang.org/grpc/...
-
-testrace: testdeps
+testrace:
 	go test -race -cpu 1,4 -timeout 7m google.golang.org/grpc/...
 
-updatedeps:
-	go get -d -v -u -f google.golang.org/grpc/...
-
-updatetestdeps:
-	go get -d -v -t -u -f google.golang.org/grpc/...
+testdeps:
+	GO111MODULE=on go get -d -v -t google.golang.org/grpc/...
 
 vet: vetdeps
 	./vet.sh
@@ -50,14 +39,10 @@ vetdeps:
 	all \
 	build \
 	clean \
-	deps \
 	proto \
 	test \
 	testappengine \
 	testappenginedeps \
-	testdeps \
 	testrace \
-	updatedeps \
-	updatetestdeps \
 	vet \
 	vetdeps
diff --git a/vendor/google.golang.org/grpc/README.md b/vendor/google.golang.org/grpc/README.md
index afbc43db5..3949a683f 100644
--- a/vendor/google.golang.org/grpc/README.md
+++ b/vendor/google.golang.org/grpc/README.md
@@ -1,64 +1,53 @@
 # gRPC-Go
 
 [![Build Status](https://travis-ci.org/grpc/grpc-go.svg)](https://travis-ci.org/grpc/grpc-go)
-[![GoDoc](https://godoc.org/google.golang.org/grpc?status.svg)](https://godoc.org/google.golang.org/grpc)
+[![GoDoc](https://pkg.go.dev/badge/google.golang.org/grpc)][API]
 [![GoReportCard](https://goreportcard.com/badge/grpc/grpc-go)](https://goreportcard.com/report/github.com/grpc/grpc-go)
 
-The Go implementation of [gRPC](https://grpc.io/): A high performance, open
-source, general RPC framework that puts mobile and HTTP/2 first. For more
-information see the [gRPC Quick Start:
-Go](https://grpc.io/docs/quickstart/go.html) guide.
+The [Go][] implementation of [gRPC][]: A high performance, open source, general
+RPC framework that puts mobile and HTTP/2 first. For more information see the
+[Go gRPC docs][], or jump directly into the [quick start][].
 
-Installation
-------------
+## Prerequisites
 
-To install this package, you need to install Go and setup your Go workspace on
-your computer. The simplest way to install the library is to run:
+- **[Go][]**: any one of the **three latest major** [releases][go-releases].
 
+## Installation
+
+With [Go module][] support (Go 1.11+), simply add the following import
+
+```go
+import "google.golang.org/grpc"
 ```
+
+to your code, and then `go [build|run|test]` will automatically fetch the
+necessary dependencies.
+
+Otherwise, to install the `grpc-go` package, run the following command:
+
+```console
 $ go get -u google.golang.org/grpc
 ```
 
-With Go module support (Go 1.11+), simply `import "google.golang.org/grpc"` in
-your source code and `go [build|run|test]` will automatically download the
-necessary dependencies ([Go modules
-ref](https://github.com/golang/go/wiki/Modules)).
+> **Note:** If you are trying to access `grpc-go` from **China**, see the
+> [FAQ](#FAQ) below.
 
-If you are trying to access grpc-go from within China, please see the
-[FAQ](#FAQ) below.
+## Learn more
 
-Prerequisites
--------------
-gRPC-Go requires Go 1.9 or later.
+- [Go gRPC docs][], which include a [quick start][] and [API
+  reference][API] among other resources
+- [Low-level technical docs](Documentation) from this repository
+- [Performance benchmark][]
+- [Examples](examples)
 
-Documentation
--------------
-- See [godoc](https://godoc.org/google.golang.org/grpc) for package and API
-  descriptions.
-- Documentation on specific topics can be found in the [Documentation
-  directory](Documentation/).
-- Examples can be found in the [examples directory](examples/).
+## FAQ
 
-Performance
------------
-Performance benchmark data for grpc-go and other languages is maintained in
-[this
-dashboard](https://performance-dot-grpc-testing.appspot.com/explore?dashboard=5652536396611584&widget=490377658&container=1286539696).
+### I/O Timeout Errors
 
-Status
-------
-General Availability [Google Cloud Platform Launch
-Stages](https://cloud.google.com/terms/launch-stages).
-
-FAQ
----
-
-#### I/O Timeout Errors
-
-The `golang.org` domain may be blocked from some countries.  `go get` usually
+The `golang.org` domain may be blocked from some countries. `go get` usually
 produces an error like the following when this happens:
 
-```
+```console
 $ go get -u google.golang.org/grpc
 package google.golang.org/grpc: unrecognized import path "google.golang.org/grpc" (https fetch: Get https://google.golang.org/grpc?go-get=1: dial tcp 216.239.37.1:443: i/o timeout)
 ```
@@ -69,7 +58,7 @@ To build Go code, there are several options:
 
 - Without Go module support: `git clone` the repo manually:
 
-  ```
+  ```sh
   git clone https://github.com/grpc/grpc-go.git $GOPATH/src/google.golang.org/grpc
   ```
 
@@ -79,7 +68,7 @@ To build Go code, there are several options:
 - With Go module support: it is possible to use the `replace` feature of `go
   mod` to create aliases for golang.org packages.  In your project's directory:
 
-  ```
+  ```sh
   go mod edit -replace=google.golang.org/grpc=github.com/grpc/grpc-go@latest
   go mod tidy
   go mod vendor
@@ -87,35 +76,66 @@ To build Go code, there are several options:
   ```
 
   Again, this will need to be done for all transitive dependencies hosted on
-  golang.org as well.  Please refer to [this
-  issue](https://github.com/golang/go/issues/28652) in the golang repo regarding
-  this concern.
+  golang.org as well. For details, refer to [golang/go issue #28652](https://github.com/golang/go/issues/28652).
 
-#### Compiling error, undefined: grpc.SupportPackageIsVersion
+### Compiling error, undefined: grpc.SupportPackageIsVersion
 
-Please update proto package, gRPC package and rebuild the proto files:
- - `go get -u github.com/golang/protobuf/{proto,protoc-gen-go}`
- - `go get -u google.golang.org/grpc`
- - `protoc --go_out=plugins=grpc:. *.proto`
+#### If you are using Go modules:
 
-#### How to turn on logging
+Ensure your gRPC-Go version is `require`d at the appropriate version in
+the same module containing the generated `.pb.go` files.  For example,
+`SupportPackageIsVersion6` needs `v1.27.0`, so in your `go.mod` file:
 
-The default logger is controlled by the environment variables. Turn everything
-on by setting:
+```go
+module <your module name>
 
-```
-GRPC_GO_LOG_VERBOSITY_LEVEL=99 GRPC_GO_LOG_SEVERITY_LEVEL=info
+require (
+    google.golang.org/grpc v1.27.0
+)
 ```
 
-#### The RPC failed with error `"code = Unavailable desc = transport is closing"`
+#### If you are *not* using Go modules:
+
+Update the `proto` package, gRPC package, and rebuild the `.proto` files:
+
+```sh
+go get -u github.com/golang/protobuf/{proto,protoc-gen-go}
+go get -u google.golang.org/grpc
+protoc --go_out=plugins=grpc:. *.proto
+```
+
+### How to turn on logging
+
+The default logger is controlled by environment variables. Turn everything on
+like this:
+
+```console
+$ export GRPC_GO_LOG_VERBOSITY_LEVEL=99
+$ export GRPC_GO_LOG_SEVERITY_LEVEL=info
+```
+
+### The RPC failed with error `"code = Unavailable desc = transport is closing"`
 
 This error means the connection the RPC is using was closed, and there are many
 possible reasons, including:
  1. mis-configured transport credentials, connection failed on handshaking
  1. bytes disrupted, possibly by a proxy in between
  1. server shutdown
+ 1. Keepalive parameters caused connection shutdown, for example if you have configured
+    your server to terminate connections regularly to [trigger DNS lookups](https://github.com/grpc/grpc-go/issues/3170#issuecomment-552517779).
+    If this is the case, you may want to increase your [MaxConnectionAgeGrace](https://pkg.go.dev/google.golang.org/grpc/keepalive?tab=doc#ServerParameters),
+    to allow longer RPC calls to finish.
 
 It can be tricky to debug this because the error happens on the client side but
 the root cause of the connection being closed is on the server side. Turn on
 logging on __both client and server__, and see if there are any transport
 errors.
+
+[API]: https://pkg.go.dev/google.golang.org/grpc
+[Go]: https://golang.org
+[Go module]: https://github.com/golang/go/wiki/Modules
+[gRPC]: https://grpc.io
+[Go gRPC docs]: https://grpc.io/docs/languages/go
+[Performance benchmark]: https://performance-dot-grpc-testing.appspot.com/explore?dashboard=5652536396611584&widget=490377658&container=1286539696
+[quick start]: https://grpc.io/docs/languages/go/quickstart
+[go-releases]: https://golang.org/doc/devel/release.html
diff --git a/vendor/google.golang.org/grpc/SECURITY.md b/vendor/google.golang.org/grpc/SECURITY.md
new file mode 100644
index 000000000..be6e10870
--- /dev/null
+++ b/vendor/google.golang.org/grpc/SECURITY.md
@@ -0,0 +1,3 @@
+# Security Policy
+
+For information on gRPC Security Policy and reporting potentional security issues, please see [gRPC CVE Process](https://github.com/grpc/proposal/blob/master/P4-grpc-cve-process.md).
diff --git a/vendor/google.golang.org/grpc/attributes/attributes.go b/vendor/google.golang.org/grpc/attributes/attributes.go
index 68ffc6201..3220d87be 100644
--- a/vendor/google.golang.org/grpc/attributes/attributes.go
+++ b/vendor/google.golang.org/grpc/attributes/attributes.go
@@ -19,7 +19,10 @@
 // Package attributes defines a generic key/value store used in various gRPC
 // components.
 //
-// All APIs in this package are EXPERIMENTAL.
+// Experimental
+//
+// Notice: This package is EXPERIMENTAL and may be changed or removed in a
+// later release.
 package attributes
 
 import "fmt"
@@ -50,6 +53,9 @@ func New(kvs ...interface{}) *Attributes {
 // times, the last value overwrites all previous values for that key.  To
 // remove an existing key, use a nil value.
 func (a *Attributes) WithValues(kvs ...interface{}) *Attributes {
+	if a == nil {
+		return New(kvs...)
+	}
 	if len(kvs)%2 != 0 {
 		panic(fmt.Sprintf("attributes.New called with unexpected input: len(kvs) = %v", len(kvs)))
 	}
@@ -66,5 +72,8 @@ func (a *Attributes) WithValues(kvs ...interface{}) *Attributes {
 // Value returns the value associated with these attributes for key, or nil if
 // no value is associated with key.
 func (a *Attributes) Value(key interface{}) interface{} {
+	if a == nil {
+		return nil
+	}
 	return a.m[key]
 }
diff --git a/vendor/google.golang.org/grpc/backoff.go b/vendor/google.golang.org/grpc/backoff.go
index ff7c3ee6f..542594f5c 100644
--- a/vendor/google.golang.org/grpc/backoff.go
+++ b/vendor/google.golang.org/grpc/backoff.go
@@ -48,7 +48,10 @@ type BackoffConfig struct {
 // here for more details:
 // https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type ConnectParams struct {
 	// Backoff specifies the configuration options for connection backoff.
 	Backoff backoff.Config
diff --git a/vendor/google.golang.org/grpc/balancer.go b/vendor/google.golang.org/grpc/balancer.go
deleted file mode 100644
index a8eb0f476..000000000
--- a/vendor/google.golang.org/grpc/balancer.go
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- *
- * Copyright 2016 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package grpc
-
-import (
-	"context"
-	"net"
-	"sync"
-
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/naming"
-	"google.golang.org/grpc/status"
-)
-
-// Address represents a server the client connects to.
-//
-// Deprecated: please use package balancer.
-type Address struct {
-	// Addr is the server address on which a connection will be established.
-	Addr string
-	// Metadata is the information associated with Addr, which may be used
-	// to make load balancing decision.
-	Metadata interface{}
-}
-
-// BalancerConfig specifies the configurations for Balancer.
-//
-// Deprecated: please use package balancer.  May be removed in a future 1.x release.
-type BalancerConfig struct {
-	// DialCreds is the transport credential the Balancer implementation can
-	// use to dial to a remote load balancer server. The Balancer implementations
-	// can ignore this if it does not need to talk to another party securely.
-	DialCreds credentials.TransportCredentials
-	// Dialer is the custom dialer the Balancer implementation can use to dial
-	// to a remote load balancer server. The Balancer implementations
-	// can ignore this if it doesn't need to talk to remote balancer.
-	Dialer func(context.Context, string) (net.Conn, error)
-}
-
-// BalancerGetOptions configures a Get call.
-//
-// Deprecated: please use package balancer.  May be removed in a future 1.x release.
-type BalancerGetOptions struct {
-	// BlockingWait specifies whether Get should block when there is no
-	// connected address.
-	BlockingWait bool
-}
-
-// Balancer chooses network addresses for RPCs.
-//
-// Deprecated: please use package balancer.  May be removed in a future 1.x release.
-type Balancer interface {
-	// Start does the initialization work to bootstrap a Balancer. For example,
-	// this function may start the name resolution and watch the updates. It will
-	// be called when dialing.
-	Start(target string, config BalancerConfig) error
-	// Up informs the Balancer that gRPC has a connection to the server at
-	// addr. It returns down which is called once the connection to addr gets
-	// lost or closed.
-	// TODO: It is not clear how to construct and take advantage of the meaningful error
-	// parameter for down. Need realistic demands to guide.
-	Up(addr Address) (down func(error))
-	// Get gets the address of a server for the RPC corresponding to ctx.
-	// i) If it returns a connected address, gRPC internals issues the RPC on the
-	// connection to this address;
-	// ii) If it returns an address on which the connection is under construction
-	// (initiated by Notify(...)) but not connected, gRPC internals
-	//  * fails RPC if the RPC is fail-fast and connection is in the TransientFailure or
-	//  Shutdown state;
-	//  or
-	//  * issues RPC on the connection otherwise.
-	// iii) If it returns an address on which the connection does not exist, gRPC
-	// internals treats it as an error and will fail the corresponding RPC.
-	//
-	// Therefore, the following is the recommended rule when writing a custom Balancer.
-	// If opts.BlockingWait is true, it should return a connected address or
-	// block if there is no connected address. It should respect the timeout or
-	// cancellation of ctx when blocking. If opts.BlockingWait is false (for fail-fast
-	// RPCs), it should return an address it has notified via Notify(...) immediately
-	// instead of blocking.
-	//
-	// The function returns put which is called once the rpc has completed or failed.
-	// put can collect and report RPC stats to a remote load balancer.
-	//
-	// This function should only return the errors Balancer cannot recover by itself.
-	// gRPC internals will fail the RPC if an error is returned.
-	Get(ctx context.Context, opts BalancerGetOptions) (addr Address, put func(), err error)
-	// Notify returns a channel that is used by gRPC internals to watch the addresses
-	// gRPC needs to connect. The addresses might be from a name resolver or remote
-	// load balancer. gRPC internals will compare it with the existing connected
-	// addresses. If the address Balancer notified is not in the existing connected
-	// addresses, gRPC starts to connect the address. If an address in the existing
-	// connected addresses is not in the notification list, the corresponding connection
-	// is shutdown gracefully. Otherwise, there are no operations to take. Note that
-	// the Address slice must be the full list of the Addresses which should be connected.
-	// It is NOT delta.
-	Notify() <-chan []Address
-	// Close shuts down the balancer.
-	Close() error
-}
-
-// RoundRobin returns a Balancer that selects addresses round-robin. It uses r to watch
-// the name resolution updates and updates the addresses available correspondingly.
-//
-// Deprecated: please use package balancer/roundrobin. May be removed in a future 1.x release.
-func RoundRobin(r naming.Resolver) Balancer {
-	return &roundRobin{r: r}
-}
-
-type addrInfo struct {
-	addr      Address
-	connected bool
-}
-
-type roundRobin struct {
-	r      naming.Resolver
-	w      naming.Watcher
-	addrs  []*addrInfo // all the addresses the client should potentially connect
-	mu     sync.Mutex
-	addrCh chan []Address // the channel to notify gRPC internals the list of addresses the client should connect to.
-	next   int            // index of the next address to return for Get()
-	waitCh chan struct{}  // the channel to block when there is no connected address available
-	done   bool           // The Balancer is closed.
-}
-
-func (rr *roundRobin) watchAddrUpdates() error {
-	updates, err := rr.w.Next()
-	if err != nil {
-		grpclog.Warningf("grpc: the naming watcher stops working due to %v.", err)
-		return err
-	}
-	rr.mu.Lock()
-	defer rr.mu.Unlock()
-	for _, update := range updates {
-		addr := Address{
-			Addr:     update.Addr,
-			Metadata: update.Metadata,
-		}
-		switch update.Op {
-		case naming.Add:
-			var exist bool
-			for _, v := range rr.addrs {
-				if addr == v.addr {
-					exist = true
-					grpclog.Infoln("grpc: The name resolver wanted to add an existing address: ", addr)
-					break
-				}
-			}
-			if exist {
-				continue
-			}
-			rr.addrs = append(rr.addrs, &addrInfo{addr: addr})
-		case naming.Delete:
-			for i, v := range rr.addrs {
-				if addr == v.addr {
-					copy(rr.addrs[i:], rr.addrs[i+1:])
-					rr.addrs = rr.addrs[:len(rr.addrs)-1]
-					break
-				}
-			}
-		default:
-			grpclog.Errorln("Unknown update.Op ", update.Op)
-		}
-	}
-	// Make a copy of rr.addrs and write it onto rr.addrCh so that gRPC internals gets notified.
-	open := make([]Address, len(rr.addrs))
-	for i, v := range rr.addrs {
-		open[i] = v.addr
-	}
-	if rr.done {
-		return ErrClientConnClosing
-	}
-	select {
-	case <-rr.addrCh:
-	default:
-	}
-	rr.addrCh <- open
-	return nil
-}
-
-func (rr *roundRobin) Start(target string, config BalancerConfig) error {
-	rr.mu.Lock()
-	defer rr.mu.Unlock()
-	if rr.done {
-		return ErrClientConnClosing
-	}
-	if rr.r == nil {
-		// If there is no name resolver installed, it is not needed to
-		// do name resolution. In this case, target is added into rr.addrs
-		// as the only address available and rr.addrCh stays nil.
-		rr.addrs = append(rr.addrs, &addrInfo{addr: Address{Addr: target}})
-		return nil
-	}
-	w, err := rr.r.Resolve(target)
-	if err != nil {
-		return err
-	}
-	rr.w = w
-	rr.addrCh = make(chan []Address, 1)
-	go func() {
-		for {
-			if err := rr.watchAddrUpdates(); err != nil {
-				return
-			}
-		}
-	}()
-	return nil
-}
-
-// Up sets the connected state of addr and sends notification if there are pending
-// Get() calls.
-func (rr *roundRobin) Up(addr Address) func(error) {
-	rr.mu.Lock()
-	defer rr.mu.Unlock()
-	var cnt int
-	for _, a := range rr.addrs {
-		if a.addr == addr {
-			if a.connected {
-				return nil
-			}
-			a.connected = true
-		}
-		if a.connected {
-			cnt++
-		}
-	}
-	// addr is only one which is connected. Notify the Get() callers who are blocking.
-	if cnt == 1 && rr.waitCh != nil {
-		close(rr.waitCh)
-		rr.waitCh = nil
-	}
-	return func(err error) {
-		rr.down(addr, err)
-	}
-}
-
-// down unsets the connected state of addr.
-func (rr *roundRobin) down(addr Address, err error) {
-	rr.mu.Lock()
-	defer rr.mu.Unlock()
-	for _, a := range rr.addrs {
-		if addr == a.addr {
-			a.connected = false
-			break
-		}
-	}
-}
-
-// Get returns the next addr in the rotation.
-func (rr *roundRobin) Get(ctx context.Context, opts BalancerGetOptions) (addr Address, put func(), err error) {
-	var ch chan struct{}
-	rr.mu.Lock()
-	if rr.done {
-		rr.mu.Unlock()
-		err = ErrClientConnClosing
-		return
-	}
-
-	if len(rr.addrs) > 0 {
-		if rr.next >= len(rr.addrs) {
-			rr.next = 0
-		}
-		next := rr.next
-		for {
-			a := rr.addrs[next]
-			next = (next + 1) % len(rr.addrs)
-			if a.connected {
-				addr = a.addr
-				rr.next = next
-				rr.mu.Unlock()
-				return
-			}
-			if next == rr.next {
-				// Has iterated all the possible address but none is connected.
-				break
-			}
-		}
-	}
-	if !opts.BlockingWait {
-		if len(rr.addrs) == 0 {
-			rr.mu.Unlock()
-			err = status.Errorf(codes.Unavailable, "there is no address available")
-			return
-		}
-		// Returns the next addr on rr.addrs for failfast RPCs.
-		addr = rr.addrs[rr.next].addr
-		rr.next++
-		rr.mu.Unlock()
-		return
-	}
-	// Wait on rr.waitCh for non-failfast RPCs.
-	if rr.waitCh == nil {
-		ch = make(chan struct{})
-		rr.waitCh = ch
-	} else {
-		ch = rr.waitCh
-	}
-	rr.mu.Unlock()
-	for {
-		select {
-		case <-ctx.Done():
-			err = ctx.Err()
-			return
-		case <-ch:
-			rr.mu.Lock()
-			if rr.done {
-				rr.mu.Unlock()
-				err = ErrClientConnClosing
-				return
-			}
-
-			if len(rr.addrs) > 0 {
-				if rr.next >= len(rr.addrs) {
-					rr.next = 0
-				}
-				next := rr.next
-				for {
-					a := rr.addrs[next]
-					next = (next + 1) % len(rr.addrs)
-					if a.connected {
-						addr = a.addr
-						rr.next = next
-						rr.mu.Unlock()
-						return
-					}
-					if next == rr.next {
-						// Has iterated all the possible address but none is connected.
-						break
-					}
-				}
-			}
-			// The newly added addr got removed by Down() again.
-			if rr.waitCh == nil {
-				ch = make(chan struct{})
-				rr.waitCh = ch
-			} else {
-				ch = rr.waitCh
-			}
-			rr.mu.Unlock()
-		}
-	}
-}
-
-func (rr *roundRobin) Notify() <-chan []Address {
-	return rr.addrCh
-}
-
-func (rr *roundRobin) Close() error {
-	rr.mu.Lock()
-	defer rr.mu.Unlock()
-	if rr.done {
-		return errBalancerClosed
-	}
-	rr.done = true
-	if rr.w != nil {
-		rr.w.Close()
-	}
-	if rr.waitCh != nil {
-		close(rr.waitCh)
-		rr.waitCh = nil
-	}
-	if rr.addrCh != nil {
-		close(rr.addrCh)
-	}
-	return nil
-}
-
-// pickFirst is used to test multi-addresses in one addrConn in which all addresses share the same addrConn.
-// It is a wrapper around roundRobin balancer. The logic of all methods works fine because balancer.Get()
-// returns the only address Up by resetTransport().
-type pickFirst struct {
-	*roundRobin
-}
diff --git a/vendor/google.golang.org/grpc/balancer/balancer.go b/vendor/google.golang.org/grpc/balancer/balancer.go
index 9258858ed..ab531f4c0 100644
--- a/vendor/google.golang.org/grpc/balancer/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/balancer.go
@@ -101,6 +101,9 @@ type SubConn interface {
 	// a new connection will be created.
 	//
 	// This will trigger a state transition for the SubConn.
+	//
+	// Deprecated: This method is now part of the ClientConn interface and will
+	// eventually be removed from here.
 	UpdateAddresses([]resolver.Address)
 	// Connect starts the connecting for this SubConn.
 	Connect()
@@ -111,6 +114,9 @@ type NewSubConnOptions struct {
 	// CredsBundle is the credentials bundle that will be used in the created
 	// SubConn. If it's nil, the original creds from grpc DialOptions will be
 	// used.
+	//
+	// Deprecated: Use the Attributes field in resolver.Address to pass
+	// arbitrary data to the credential handshaker.
 	CredsBundle credentials.Bundle
 	// HealthCheckEnabled indicates whether health check service should be
 	// enabled on this SubConn
@@ -123,7 +129,7 @@ type State struct {
 	// determine the state of the ClientConn.
 	ConnectivityState connectivity.State
 	// Picker is used to choose connections (SubConns) for RPCs.
-	Picker V2Picker
+	Picker Picker
 }
 
 // ClientConn represents a gRPC ClientConn.
@@ -140,21 +146,19 @@ type ClientConn interface {
 	// RemoveSubConn removes the SubConn from ClientConn.
 	// The SubConn will be shutdown.
 	RemoveSubConn(SubConn)
-
-	// UpdateBalancerState is called by balancer to notify gRPC that some internal
-	// state in balancer has changed.
+	// UpdateAddresses updates the addresses used in the passed in SubConn.
+	// gRPC checks if the currently connected address is still in the new list.
+	// If so, the connection will be kept. Else, the connection will be
+	// gracefully closed, and a new connection will be created.
 	//
-	// gRPC will update the connectivity state of the ClientConn, and will call pick
-	// on the new picker to pick new SubConn.
-	//
-	// Deprecated: use UpdateState instead
-	UpdateBalancerState(s connectivity.State, p Picker)
+	// This will trigger a state transition for the SubConn.
+	UpdateAddresses(SubConn, []resolver.Address)
 
 	// UpdateState notifies gRPC that the balancer's internal state has
 	// changed.
 	//
-	// gRPC will update the connectivity state of the ClientConn, and will call pick
-	// on the new picker to pick new SubConns.
+	// gRPC will update the connectivity state of the ClientConn, and will call
+	// Pick on the new Picker to pick new SubConns.
 	UpdateState(State)
 
 	// ResolveNow is called by balancer to notify gRPC to do a name resolving.
@@ -180,6 +184,10 @@ type BuildOptions struct {
 	Dialer func(context.Context, string) (net.Conn, error)
 	// ChannelzParentID is the entity parent's channelz unique identification number.
 	ChannelzParentID int64
+	// CustomUserAgent is the custom user agent set on the parent ClientConn.
+	// The balancer should set the same custom user agent if it creates a
+	// ClientConn.
+	CustomUserAgent string
 	// Target contains the parsed address info of the dial target. It is the same resolver.Target as
 	// passed to the resolver.
 	// See the documentation for the resolver.Target type for details about what it contains.
@@ -232,56 +240,17 @@ type DoneInfo struct {
 
 var (
 	// ErrNoSubConnAvailable indicates no SubConn is available for pick().
-	// gRPC will block the RPC until a new picker is available via UpdateBalancerState().
+	// gRPC will block the RPC until a new picker is available via UpdateState().
 	ErrNoSubConnAvailable = errors.New("no SubConn is available")
 	// ErrTransientFailure indicates all SubConns are in TransientFailure.
 	// WaitForReady RPCs will block, non-WaitForReady RPCs will fail.
-	ErrTransientFailure = TransientFailureError(errors.New("all SubConns are in TransientFailure"))
+	//
+	// Deprecated: return an appropriate error based on the last resolution or
+	// connection attempt instead.  The behavior is the same for any non-gRPC
+	// status error.
+	ErrTransientFailure = errors.New("all SubConns are in TransientFailure")
 )
 
-// Picker is used by gRPC to pick a SubConn to send an RPC.
-// Balancer is expected to generate a new picker from its snapshot every time its
-// internal state has changed.
-//
-// The pickers used by gRPC can be updated by ClientConn.UpdateBalancerState().
-//
-// Deprecated: use V2Picker instead
-type Picker interface {
-	// Pick returns the SubConn to be used to send the RPC.
-	// The returned SubConn must be one returned by NewSubConn().
-	//
-	// This functions is expected to return:
-	// - a SubConn that is known to be READY;
-	// - ErrNoSubConnAvailable if no SubConn is available, but progress is being
-	//   made (for example, some SubConn is in CONNECTING mode);
-	// - other errors if no active connecting is happening (for example, all SubConn
-	//   are in TRANSIENT_FAILURE mode).
-	//
-	// If a SubConn is returned:
-	// - If it is READY, gRPC will send the RPC on it;
-	// - If it is not ready, or becomes not ready after it's returned, gRPC will
-	//   block until UpdateBalancerState() is called and will call pick on the
-	//   new picker. The done function returned from Pick(), if not nil, will be
-	//   called with nil error, no bytes sent and no bytes received.
-	//
-	// If the returned error is not nil:
-	// - If the error is ErrNoSubConnAvailable, gRPC will block until UpdateBalancerState()
-	// - If the error is ErrTransientFailure or implements IsTransientFailure()
-	//   bool, returning true:
-	//   - If the RPC is wait-for-ready, gRPC will block until UpdateBalancerState()
-	//     is called to pick again;
-	//   - Otherwise, RPC will fail with unavailable error.
-	// - Else (error is other non-nil error):
-	//   - The RPC will fail with the error's status code, or Unknown if it is
-	//     not a status error.
-	//
-	// The returned done() function will be called once the rpc has finished,
-	// with the final status of that RPC.  If the SubConn returned is not a
-	// valid SubConn type, done may not be called.  done may be nil if balancer
-	// doesn't care about the RPC status.
-	Pick(ctx context.Context, info PickInfo) (conn SubConn, done func(DoneInfo), err error)
-}
-
 // PickResult contains information related to a connection chosen for an RPC.
 type PickResult struct {
 	// SubConn is the connection to use for this pick, if its state is Ready.
@@ -297,24 +266,19 @@ type PickResult struct {
 	Done func(DoneInfo)
 }
 
-type transientFailureError struct {
-	error
-}
+// TransientFailureError returns e.  It exists for backward compatibility and
+// will be deleted soon.
+//
+// Deprecated: no longer necessary, picker errors are treated this way by
+// default.
+func TransientFailureError(e error) error { return e }
 
-func (e *transientFailureError) IsTransientFailure() bool { return true }
-
-// TransientFailureError wraps err in an error implementing
-// IsTransientFailure() bool, returning true.
-func TransientFailureError(err error) error {
-	return &transientFailureError{error: err}
-}
-
-// V2Picker is used by gRPC to pick a SubConn to send an RPC.
+// Picker is used by gRPC to pick a SubConn to send an RPC.
 // Balancer is expected to generate a new picker from its snapshot every time its
 // internal state has changed.
 //
-// The pickers used by gRPC can be updated by ClientConn.UpdateBalancerState().
-type V2Picker interface {
+// The pickers used by gRPC can be updated by ClientConn.UpdateState().
+type Picker interface {
 	// Pick returns the connection to use for this RPC and related information.
 	//
 	// Pick should not block.  If the balancer needs to do I/O or any blocking
@@ -327,14 +291,13 @@ type V2Picker interface {
 	// - If the error is ErrNoSubConnAvailable, gRPC will block until a new
 	//   Picker is provided by the balancer (using ClientConn.UpdateState).
 	//
-	// - If the error implements IsTransientFailure() bool, returning true,
-	//   wait for ready RPCs will wait, but non-wait for ready RPCs will be
-	//   terminated with this error's Error() string and status code
-	//   Unavailable.
+	// - If the error is a status error (implemented by the grpc/status
+	//   package), gRPC will terminate the RPC with the code and message
+	//   provided.
 	//
-	// - Any other errors terminate all RPCs with the code and message
-	//   provided.  If the error is not a status error, it will be converted by
-	//   gRPC to a status error with code Unknown.
+	// - For all other errors, wait for ready RPCs will wait, but non-wait for
+	//   ready RPCs will be terminated with this error's Error() string and
+	//   status code Unavailable.
 	Pick(info PickInfo) (PickResult, error)
 }
 
@@ -343,29 +306,21 @@ type V2Picker interface {
 //
 // It also generates and updates the Picker used by gRPC to pick SubConns for RPCs.
 //
-// HandleSubConnectionStateChange, HandleResolvedAddrs and Close are guaranteed
-// to be called synchronously from the same goroutine.
-// There's no guarantee on picker.Pick, it may be called anytime.
+// UpdateClientConnState, ResolverError, UpdateSubConnState, and Close are
+// guaranteed to be called synchronously from the same goroutine.  There's no
+// guarantee on picker.Pick, it may be called anytime.
 type Balancer interface {
-	// HandleSubConnStateChange is called by gRPC when the connectivity state
-	// of sc has changed.
-	// Balancer is expected to aggregate all the state of SubConn and report
-	// that back to gRPC.
-	// Balancer should also generate and update Pickers when its internal state has
-	// been changed by the new state.
-	//
-	// Deprecated: if V2Balancer is implemented by the Balancer,
-	// UpdateSubConnState will be called instead.
-	HandleSubConnStateChange(sc SubConn, state connectivity.State)
-	// HandleResolvedAddrs is called by gRPC to send updated resolved addresses to
-	// balancers.
-	// Balancer can create new SubConn or remove SubConn with the addresses.
-	// An empty address slice and a non-nil error will be passed if the resolver returns
-	// non-nil error to gRPC.
-	//
-	// Deprecated: if V2Balancer is implemented by the Balancer,
-	// UpdateClientConnState will be called instead.
-	HandleResolvedAddrs([]resolver.Address, error)
+	// UpdateClientConnState is called by gRPC when the state of the ClientConn
+	// changes.  If the error returned is ErrBadResolverState, the ClientConn
+	// will begin calling ResolveNow on the active name resolver with
+	// exponential backoff until a subsequent call to UpdateClientConnState
+	// returns a nil error.  Any other errors are currently ignored.
+	UpdateClientConnState(ClientConnState) error
+	// ResolverError is called by gRPC when the name resolver reports an error.
+	ResolverError(error)
+	// UpdateSubConnState is called by gRPC when the state of a SubConn
+	// changes.
+	UpdateSubConnState(SubConn, SubConnState)
 	// Close closes the balancer. The balancer is not required to call
 	// ClientConn.RemoveSubConn for its existing SubConns.
 	Close()
@@ -393,27 +348,6 @@ type ClientConnState struct {
 // problem with the provided name resolver data.
 var ErrBadResolverState = errors.New("bad resolver state")
 
-// V2Balancer is defined for documentation purposes.  If a Balancer also
-// implements V2Balancer, its UpdateClientConnState method will be called
-// instead of HandleResolvedAddrs and its UpdateSubConnState will be called
-// instead of HandleSubConnStateChange.
-type V2Balancer interface {
-	// UpdateClientConnState is called by gRPC when the state of the ClientConn
-	// changes.  If the error returned is ErrBadResolverState, the ClientConn
-	// will begin calling ResolveNow on the active name resolver with
-	// exponential backoff until a subsequent call to UpdateClientConnState
-	// returns a nil error.  Any other errors are currently ignored.
-	UpdateClientConnState(ClientConnState) error
-	// ResolverError is called by gRPC when the name resolver reports an error.
-	ResolverError(error)
-	// UpdateSubConnState is called by gRPC when the state of a SubConn
-	// changes.
-	UpdateSubConnState(SubConn, SubConnState)
-	// Close closes the balancer. The balancer is not required to call
-	// ClientConn.RemoveSubConn for its existing SubConns.
-	Close()
-}
-
 // ConnectivityStateEvaluator takes the connectivity states of multiple SubConns
 // and returns one aggregated connectivity state.
 //
diff --git a/vendor/google.golang.org/grpc/balancer/base/balancer.go b/vendor/google.golang.org/grpc/balancer/base/balancer.go
index d7d72918a..c883efa0b 100644
--- a/vendor/google.golang.org/grpc/balancer/base/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/base/balancer.go
@@ -19,30 +19,30 @@
 package base
 
 import (
-	"context"
 	"errors"
 	"fmt"
 
+	"google.golang.org/grpc/attributes"
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/resolver"
 )
 
+var logger = grpclog.Component("balancer")
+
 type baseBuilder struct {
-	name            string
-	pickerBuilder   PickerBuilder
-	v2PickerBuilder V2PickerBuilder
-	config          Config
+	name          string
+	pickerBuilder PickerBuilder
+	config        Config
 }
 
 func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer {
 	bal := &baseBalancer{
-		cc:              cc,
-		pickerBuilder:   bb.pickerBuilder,
-		v2PickerBuilder: bb.v2PickerBuilder,
+		cc:            cc,
+		pickerBuilder: bb.pickerBuilder,
 
-		subConns: make(map[resolver.Address]balancer.SubConn),
+		subConns: make(map[resolver.Address]subConnInfo),
 		scStates: make(map[balancer.SubConn]connectivity.State),
 		csEvltr:  &balancer.ConnectivityStateEvaluator{},
 		config:   bb.config,
@@ -50,11 +50,7 @@ func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions)
 	// Initialize picker to a picker that always returns
 	// ErrNoSubConnAvailable, because when state of a SubConn changes, we
 	// may call UpdateState with this picker.
-	if bb.pickerBuilder != nil {
-		bal.picker = NewErrPicker(balancer.ErrNoSubConnAvailable)
-	} else {
-		bal.v2Picker = NewErrPickerV2(balancer.ErrNoSubConnAvailable)
-	}
+	bal.picker = NewErrPicker(balancer.ErrNoSubConnAvailable)
 	return bal
 }
 
@@ -62,88 +58,111 @@ func (bb *baseBuilder) Name() string {
 	return bb.name
 }
 
-var _ balancer.V2Balancer = (*baseBalancer)(nil) // Assert that we implement V2Balancer
+type subConnInfo struct {
+	subConn balancer.SubConn
+	attrs   *attributes.Attributes
+}
 
 type baseBalancer struct {
-	cc              balancer.ClientConn
-	pickerBuilder   PickerBuilder
-	v2PickerBuilder V2PickerBuilder
+	cc            balancer.ClientConn
+	pickerBuilder PickerBuilder
 
 	csEvltr *balancer.ConnectivityStateEvaluator
 	state   connectivity.State
 
-	subConns map[resolver.Address]balancer.SubConn
+	subConns map[resolver.Address]subConnInfo // `attributes` is stripped from the keys of this map (the addresses)
 	scStates map[balancer.SubConn]connectivity.State
 	picker   balancer.Picker
-	v2Picker balancer.V2Picker
 	config   Config
 
 	resolverErr error // the last error reported by the resolver; cleared on successful resolution
 	connErr     error // the last connection error; cleared upon leaving TransientFailure
 }
 
-func (b *baseBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) {
-	panic("not implemented")
-}
-
 func (b *baseBalancer) ResolverError(err error) {
 	b.resolverErr = err
 	if len(b.subConns) == 0 {
 		b.state = connectivity.TransientFailure
 	}
+
 	if b.state != connectivity.TransientFailure {
 		// The picker will not change since the balancer does not currently
 		// report an error.
 		return
 	}
 	b.regeneratePicker()
-	if b.picker != nil {
-		b.cc.UpdateBalancerState(b.state, b.picker)
-	} else {
-		b.cc.UpdateState(balancer.State{
-			ConnectivityState: b.state,
-			Picker:            b.v2Picker,
-		})
-	}
+	b.cc.UpdateState(balancer.State{
+		ConnectivityState: b.state,
+		Picker:            b.picker,
+	})
 }
 
 func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
-	// TODO: handle s.ResolverState.Err (log if not nil) once implemented.
 	// TODO: handle s.ResolverState.ServiceConfig?
-	if grpclog.V(2) {
-		grpclog.Infoln("base.baseBalancer: got new ClientConn state: ", s)
-	}
-	if len(s.ResolverState.Addresses) == 0 {
-		b.ResolverError(errors.New("produced zero addresses"))
-		return balancer.ErrBadResolverState
+	if logger.V(2) {
+		logger.Info("base.baseBalancer: got new ClientConn state: ", s)
 	}
 	// Successful resolution; clear resolver error and ensure we return nil.
 	b.resolverErr = nil
 	// addrsSet is the set converted from addrs, it's used for quick lookup of an address.
 	addrsSet := make(map[resolver.Address]struct{})
 	for _, a := range s.ResolverState.Addresses {
-		addrsSet[a] = struct{}{}
-		if _, ok := b.subConns[a]; !ok {
+		// Strip attributes from addresses before using them as map keys. So
+		// that when two addresses only differ in attributes pointers (but with
+		// the same attribute content), they are considered the same address.
+		//
+		// Note that this doesn't handle the case where the attribute content is
+		// different. So if users want to set different attributes to create
+		// duplicate connections to the same backend, it doesn't work. This is
+		// fine for now, because duplicate is done by setting Metadata today.
+		//
+		// TODO: read attributes to handle duplicate connections.
+		aNoAttrs := a
+		aNoAttrs.Attributes = nil
+		addrsSet[aNoAttrs] = struct{}{}
+		if scInfo, ok := b.subConns[aNoAttrs]; !ok {
 			// a is a new address (not existing in b.subConns).
+			//
+			// When creating SubConn, the original address with attributes is
+			// passed through. So that connection configurations in attributes
+			// (like creds) will be used.
 			sc, err := b.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{HealthCheckEnabled: b.config.HealthCheck})
 			if err != nil {
-				grpclog.Warningf("base.baseBalancer: failed to create new SubConn: %v", err)
+				logger.Warningf("base.baseBalancer: failed to create new SubConn: %v", err)
 				continue
 			}
-			b.subConns[a] = sc
+			b.subConns[aNoAttrs] = subConnInfo{subConn: sc, attrs: a.Attributes}
 			b.scStates[sc] = connectivity.Idle
 			sc.Connect()
+		} else {
+			// Always update the subconn's address in case the attributes
+			// changed.
+			//
+			// The SubConn does a reflect.DeepEqual of the new and old
+			// addresses. So this is a noop if the current address is the same
+			// as the old one (including attributes).
+			scInfo.attrs = a.Attributes
+			b.subConns[aNoAttrs] = scInfo
+			b.cc.UpdateAddresses(scInfo.subConn, []resolver.Address{a})
 		}
 	}
-	for a, sc := range b.subConns {
+	for a, scInfo := range b.subConns {
 		// a was removed by resolver.
 		if _, ok := addrsSet[a]; !ok {
-			b.cc.RemoveSubConn(sc)
+			b.cc.RemoveSubConn(scInfo.subConn)
 			delete(b.subConns, a)
 			// Keep the state of this sc in b.scStates until sc's state becomes Shutdown.
-			// The entry will be deleted in HandleSubConnStateChange.
+			// The entry will be deleted in UpdateSubConnState.
 		}
 	}
+	// If resolver state contains no addresses, return an error so ClientConn
+	// will trigger re-resolve. Also records this as an resolver error, so when
+	// the overall state turns transient failure, the error message will have
+	// the zero address information.
+	if len(s.ResolverState.Addresses) == 0 {
+		b.ResolverError(errors.New("produced zero addresses"))
+		return balancer.ErrBadResolverState
+	}
 	return nil
 }
 
@@ -167,52 +186,39 @@ func (b *baseBalancer) mergeErrors() error {
 //  - built by the pickerBuilder with all READY SubConns otherwise.
 func (b *baseBalancer) regeneratePicker() {
 	if b.state == connectivity.TransientFailure {
-		if b.pickerBuilder != nil {
-			b.picker = NewErrPicker(balancer.ErrTransientFailure)
-		} else {
-			b.v2Picker = NewErrPickerV2(balancer.TransientFailureError(b.mergeErrors()))
-		}
+		b.picker = NewErrPicker(b.mergeErrors())
 		return
 	}
-	if b.pickerBuilder != nil {
-		readySCs := make(map[resolver.Address]balancer.SubConn)
+	readySCs := make(map[balancer.SubConn]SubConnInfo)
 
-		// Filter out all ready SCs from full subConn map.
-		for addr, sc := range b.subConns {
-			if st, ok := b.scStates[sc]; ok && st == connectivity.Ready {
-				readySCs[addr] = sc
-			}
+	// Filter out all ready SCs from full subConn map.
+	for addr, scInfo := range b.subConns {
+		if st, ok := b.scStates[scInfo.subConn]; ok && st == connectivity.Ready {
+			addr.Attributes = scInfo.attrs
+			readySCs[scInfo.subConn] = SubConnInfo{Address: addr}
 		}
-		b.picker = b.pickerBuilder.Build(readySCs)
-	} else {
-		readySCs := make(map[balancer.SubConn]SubConnInfo)
-
-		// Filter out all ready SCs from full subConn map.
-		for addr, sc := range b.subConns {
-			if st, ok := b.scStates[sc]; ok && st == connectivity.Ready {
-				readySCs[sc] = SubConnInfo{Address: addr}
-			}
-		}
-		b.v2Picker = b.v2PickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs})
 	}
-}
-
-func (b *baseBalancer) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
-	panic("not implemented")
+	b.picker = b.pickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs})
 }
 
 func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) {
 	s := state.ConnectivityState
-	if grpclog.V(2) {
-		grpclog.Infof("base.baseBalancer: handle SubConn state change: %p, %v", sc, s)
+	if logger.V(2) {
+		logger.Infof("base.baseBalancer: handle SubConn state change: %p, %v", sc, s)
 	}
 	oldS, ok := b.scStates[sc]
 	if !ok {
-		if grpclog.V(2) {
-			grpclog.Infof("base.baseBalancer: got state changes for an unknown SubConn: %p, %v", sc, s)
+		if logger.V(2) {
+			logger.Infof("base.baseBalancer: got state changes for an unknown SubConn: %p, %v", sc, s)
 		}
 		return
 	}
+	if oldS == connectivity.TransientFailure && s == connectivity.Connecting {
+		// Once a subconn enters TRANSIENT_FAILURE, ignore subsequent
+		// CONNECTING transitions to prevent the aggregated state from being
+		// always CONNECTING when many backends exist but are all down.
+		return
+	}
 	b.scStates[sc] = s
 	switch s {
 	case connectivity.Idle:
@@ -221,29 +227,23 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su
 		// When an address was removed by resolver, b called RemoveSubConn but
 		// kept the sc's state in scStates. Remove state for this sc here.
 		delete(b.scStates, sc)
+	case connectivity.TransientFailure:
+		// Save error to be reported via picker.
+		b.connErr = state.ConnectionError
 	}
 
-	oldAggrState := b.state
 	b.state = b.csEvltr.RecordTransition(oldS, s)
 
-	// Set or clear the last connection error accordingly.
-	b.connErr = state.ConnectionError
-
 	// Regenerate picker when one of the following happens:
-	//  - this sc became ready from not-ready
-	//  - this sc became not-ready from ready
-	//  - the aggregated state of balancer became TransientFailure from non-TransientFailure
-	//  - the aggregated state of balancer became non-TransientFailure from TransientFailure
+	//  - this sc entered or left ready
+	//  - the aggregated state of balancer is TransientFailure
+	//    (may need to update error message)
 	if (s == connectivity.Ready) != (oldS == connectivity.Ready) ||
-		(b.state == connectivity.TransientFailure) != (oldAggrState == connectivity.TransientFailure) {
+		b.state == connectivity.TransientFailure {
 		b.regeneratePicker()
 	}
 
-	if b.picker != nil {
-		b.cc.UpdateBalancerState(b.state, b.picker)
-	} else {
-		b.cc.UpdateState(balancer.State{ConnectivityState: b.state, Picker: b.v2Picker})
-	}
+	b.cc.UpdateState(balancer.State{ConnectivityState: b.state, Picker: b.picker})
 }
 
 // Close is a nop because base balancer doesn't have internal state to clean up,
@@ -251,28 +251,20 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su
 func (b *baseBalancer) Close() {
 }
 
-// NewErrPicker returns a picker that always returns err on Pick().
+// NewErrPicker returns a Picker that always returns err on Pick().
 func NewErrPicker(err error) balancer.Picker {
 	return &errPicker{err: err}
 }
 
+// NewErrPickerV2 is temporarily defined for backward compatibility reasons.
+//
+// Deprecated: use NewErrPicker instead.
+var NewErrPickerV2 = NewErrPicker
+
 type errPicker struct {
 	err error // Pick() always returns this err.
 }
 
-func (p *errPicker) Pick(context.Context, balancer.PickInfo) (balancer.SubConn, func(balancer.DoneInfo), error) {
-	return nil, nil, p.err
-}
-
-// NewErrPickerV2 returns a V2Picker that always returns err on Pick().
-func NewErrPickerV2(err error) balancer.V2Picker {
-	return &errPickerV2{err: err}
-}
-
-type errPickerV2 struct {
-	err error // Pick() always returns this err.
-}
-
-func (p *errPickerV2) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
+func (p *errPicker) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
 	return balancer.PickResult{}, p.err
 }
diff --git a/vendor/google.golang.org/grpc/balancer/base/base.go b/vendor/google.golang.org/grpc/balancer/base/base.go
index 4192918b9..e31d76e33 100644
--- a/vendor/google.golang.org/grpc/balancer/base/base.go
+++ b/vendor/google.golang.org/grpc/balancer/base/base.go
@@ -37,15 +37,8 @@ import (
 
 // PickerBuilder creates balancer.Picker.
 type PickerBuilder interface {
-	// Build takes a slice of ready SubConns, and returns a picker that will be
-	// used by gRPC to pick a SubConn.
-	Build(readySCs map[resolver.Address]balancer.SubConn) balancer.Picker
-}
-
-// V2PickerBuilder creates balancer.V2Picker.
-type V2PickerBuilder interface {
 	// Build returns a picker that will be used by gRPC to pick a SubConn.
-	Build(info PickerBuildInfo) balancer.V2Picker
+	Build(info PickerBuildInfo) balancer.Picker
 }
 
 // PickerBuildInfo contains information needed by the picker builder to
@@ -62,32 +55,17 @@ type SubConnInfo struct {
 	Address resolver.Address // the address used to create this SubConn
 }
 
-// NewBalancerBuilder returns a balancer builder. The balancers
-// built by this builder will use the picker builder to build pickers.
-func NewBalancerBuilder(name string, pb PickerBuilder) balancer.Builder {
-	return NewBalancerBuilderWithConfig(name, pb, Config{})
-}
-
 // Config contains the config info about the base balancer builder.
 type Config struct {
 	// HealthCheck indicates whether health checking should be enabled for this specific balancer.
 	HealthCheck bool
 }
 
-// NewBalancerBuilderWithConfig returns a base balancer builder configured by the provided config.
-func NewBalancerBuilderWithConfig(name string, pb PickerBuilder, config Config) balancer.Builder {
+// NewBalancerBuilder returns a base balancer builder configured by the provided config.
+func NewBalancerBuilder(name string, pb PickerBuilder, config Config) balancer.Builder {
 	return &baseBuilder{
 		name:          name,
 		pickerBuilder: pb,
 		config:        config,
 	}
 }
-
-// NewBalancerBuilderV2 returns a base balancer builder configured by the provided config.
-func NewBalancerBuilderV2(name string, pb V2PickerBuilder, config Config) balancer.Builder {
-	return &baseBuilder{
-		name:            name,
-		v2PickerBuilder: pb,
-		config:          config,
-	}
-}
diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go b/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go
new file mode 100644
index 000000000..a24264a34
--- /dev/null
+++ b/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go
@@ -0,0 +1,51 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package state declares grpclb types to be set by resolvers wishing to pass
+// information to grpclb via resolver.State Attributes.
+package state
+
+import (
+	"google.golang.org/grpc/resolver"
+)
+
+// keyType is the key to use for storing State in Attributes.
+type keyType string
+
+const key = keyType("grpc.grpclb.state")
+
+// State contains gRPCLB-relevant data passed from the name resolver.
+type State struct {
+	// BalancerAddresses contains the remote load balancer address(es).  If
+	// set, overrides any resolver-provided addresses with Type of GRPCLB.
+	BalancerAddresses []resolver.Address
+}
+
+// Set returns a copy of the provided state with attributes containing s.  s's
+// data should not be mutated after calling Set.
+func Set(state resolver.State, s *State) resolver.State {
+	state.Attributes = state.Attributes.WithValues(key, s)
+	return state
+}
+
+// Get returns the grpclb State in the resolver.State, or nil if not present.
+// The returned data should not be mutated.
+func Get(state resolver.State) *State {
+	s, _ := state.Attributes.Value(key).(*State)
+	return s
+}
diff --git a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
index d4d645501..43c2a1537 100644
--- a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
+++ b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
@@ -33,9 +33,11 @@ import (
 // Name is the name of round_robin balancer.
 const Name = "round_robin"
 
+var logger = grpclog.Component("roundrobin")
+
 // newBuilder creates a new roundrobin balancer builder.
 func newBuilder() balancer.Builder {
-	return base.NewBalancerBuilderV2(Name, &rrPickerBuilder{}, base.Config{HealthCheck: true})
+	return base.NewBalancerBuilder(Name, &rrPickerBuilder{}, base.Config{HealthCheck: true})
 }
 
 func init() {
@@ -44,10 +46,10 @@ func init() {
 
 type rrPickerBuilder struct{}
 
-func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.V2Picker {
-	grpclog.Infof("roundrobinPicker: newPicker called with info: %v", info)
+func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
+	logger.Infof("roundrobinPicker: newPicker called with info: %v", info)
 	if len(info.ReadySCs) == 0 {
-		return base.NewErrPickerV2(balancer.ErrNoSubConnAvailable)
+		return base.NewErrPicker(balancer.ErrNoSubConnAvailable)
 	}
 	var scs []balancer.SubConn
 	for sc := range info.ReadySCs {
diff --git a/vendor/google.golang.org/grpc/balancer_conn_wrappers.go b/vendor/google.golang.org/grpc/balancer_conn_wrappers.go
index 824f28e74..4cc7f9159 100644
--- a/vendor/google.golang.org/grpc/balancer_conn_wrappers.go
+++ b/vendor/google.golang.org/grpc/balancer_conn_wrappers.go
@@ -24,8 +24,8 @@ import (
 
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/connectivity"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/buffer"
+	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/resolver"
 )
@@ -74,11 +74,7 @@ func (ccb *ccBalancerWrapper) watcher() {
 			}
 			ccb.balancerMu.Lock()
 			su := t.(*scStateUpdate)
-			if ub, ok := ccb.balancer.(balancer.V2Balancer); ok {
-				ub.UpdateSubConnState(su.sc, balancer.SubConnState{ConnectivityState: su.state, ConnectionError: su.err})
-			} else {
-				ccb.balancer.HandleSubConnStateChange(su.sc, su.state)
-			}
+			ccb.balancer.UpdateSubConnState(su.sc, balancer.SubConnState{ConnectivityState: su.state, ConnectionError: su.err})
 			ccb.balancerMu.Unlock()
 		case <-ccb.done.Done():
 		}
@@ -123,19 +119,13 @@ func (ccb *ccBalancerWrapper) handleSubConnStateChange(sc balancer.SubConn, s co
 func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnState) error {
 	ccb.balancerMu.Lock()
 	defer ccb.balancerMu.Unlock()
-	if ub, ok := ccb.balancer.(balancer.V2Balancer); ok {
-		return ub.UpdateClientConnState(*ccs)
-	}
-	ccb.balancer.HandleResolvedAddrs(ccs.ResolverState.Addresses, nil)
-	return nil
+	return ccb.balancer.UpdateClientConnState(*ccs)
 }
 
 func (ccb *ccBalancerWrapper) resolverError(err error) {
-	if ub, ok := ccb.balancer.(balancer.V2Balancer); ok {
-		ccb.balancerMu.Lock()
-		ub.ResolverError(err)
-		ccb.balancerMu.Unlock()
-	}
+	ccb.balancerMu.Lock()
+	ccb.balancer.ResolverError(err)
+	ccb.balancerMu.Unlock()
 }
 
 func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (balancer.SubConn, error) {
@@ -173,19 +163,12 @@ func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) {
 	ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
 }
 
-func (ccb *ccBalancerWrapper) UpdateBalancerState(s connectivity.State, p balancer.Picker) {
-	ccb.mu.Lock()
-	defer ccb.mu.Unlock()
-	if ccb.subConns == nil {
+func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) {
+	acbw, ok := sc.(*acBalancerWrapper)
+	if !ok {
 		return
 	}
-	// Update picker before updating state.  Even though the ordering here does
-	// not matter, it can lead to multiple calls of Pick in the common start-up
-	// case where we wait for ready and then perform an RPC.  If the picker is
-	// updated later, we could call the "connecting" picker when the state is
-	// updated, and then call the "ready" picker after the picker gets updated.
-	ccb.cc.blockingpicker.updatePicker(p)
-	ccb.cc.csMgr.updateState(s)
+	acbw.UpdateAddresses(addrs)
 }
 
 func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) {
@@ -199,7 +182,7 @@ func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) {
 	// case where we wait for ready and then perform an RPC.  If the picker is
 	// updated later, we could call the "connecting" picker when the state is
 	// updated, and then call the "ready" picker after the picker gets updated.
-	ccb.cc.blockingpicker.updatePickerV2(s.Picker)
+	ccb.cc.blockingpicker.updatePicker(s.Picker)
 	ccb.cc.csMgr.updateState(s.ConnectivityState)
 }
 
@@ -222,7 +205,7 @@ func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) {
 	acbw.mu.Lock()
 	defer acbw.mu.Unlock()
 	if len(addrs) <= 0 {
-		acbw.ac.tearDown(errConnDrain)
+		acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain)
 		return
 	}
 	if !acbw.ac.tryUpdateAddrs(addrs) {
@@ -237,7 +220,7 @@ func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) {
 		acbw.ac.acbw = nil
 		acbw.ac.mu.Unlock()
 		acState := acbw.ac.getState()
-		acbw.ac.tearDown(errConnDrain)
+		acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain)
 
 		if acState == connectivity.Shutdown {
 			return
@@ -245,7 +228,7 @@ func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) {
 
 		ac, err := cc.newAddrConn(addrs, opts)
 		if err != nil {
-			grpclog.Warningf("acBalancerWrapper: UpdateAddresses: failed to newAddrConn: %v", err)
+			channelz.Warningf(logger, acbw.ac.channelzID, "acBalancerWrapper: UpdateAddresses: failed to newAddrConn: %v", err)
 			return
 		}
 		acbw.ac = ac
diff --git a/vendor/google.golang.org/grpc/balancer_v1_wrapper.go b/vendor/google.golang.org/grpc/balancer_v1_wrapper.go
deleted file mode 100644
index db04b08b8..000000000
--- a/vendor/google.golang.org/grpc/balancer_v1_wrapper.go
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- *
- * Copyright 2017 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package grpc
-
-import (
-	"sync"
-
-	"google.golang.org/grpc/balancer"
-	"google.golang.org/grpc/connectivity"
-	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/resolver"
-)
-
-type balancerWrapperBuilder struct {
-	b Balancer // The v1 balancer.
-}
-
-func (bwb *balancerWrapperBuilder) Build(cc balancer.ClientConn, opts balancer.BuildOptions) balancer.Balancer {
-	bwb.b.Start(opts.Target.Endpoint, BalancerConfig{
-		DialCreds: opts.DialCreds,
-		Dialer:    opts.Dialer,
-	})
-	_, pickfirst := bwb.b.(*pickFirst)
-	bw := &balancerWrapper{
-		balancer:   bwb.b,
-		pickfirst:  pickfirst,
-		cc:         cc,
-		targetAddr: opts.Target.Endpoint,
-		startCh:    make(chan struct{}),
-		conns:      make(map[resolver.Address]balancer.SubConn),
-		connSt:     make(map[balancer.SubConn]*scState),
-		csEvltr:    &balancer.ConnectivityStateEvaluator{},
-		state:      connectivity.Idle,
-	}
-	cc.UpdateState(balancer.State{ConnectivityState: connectivity.Idle, Picker: bw})
-	go bw.lbWatcher()
-	return bw
-}
-
-func (bwb *balancerWrapperBuilder) Name() string {
-	return "wrapper"
-}
-
-type scState struct {
-	addr Address // The v1 address type.
-	s    connectivity.State
-	down func(error)
-}
-
-type balancerWrapper struct {
-	balancer  Balancer // The v1 balancer.
-	pickfirst bool
-
-	cc         balancer.ClientConn
-	targetAddr string // Target without the scheme.
-
-	mu     sync.Mutex
-	conns  map[resolver.Address]balancer.SubConn
-	connSt map[balancer.SubConn]*scState
-	// This channel is closed when handling the first resolver result.
-	// lbWatcher blocks until this is closed, to avoid race between
-	// - NewSubConn is created, cc wants to notify balancer of state changes;
-	// - Build hasn't return, cc doesn't have access to balancer.
-	startCh chan struct{}
-
-	// To aggregate the connectivity state.
-	csEvltr *balancer.ConnectivityStateEvaluator
-	state   connectivity.State
-}
-
-// lbWatcher watches the Notify channel of the balancer and manages
-// connections accordingly.
-func (bw *balancerWrapper) lbWatcher() {
-	<-bw.startCh
-	notifyCh := bw.balancer.Notify()
-	if notifyCh == nil {
-		// There's no resolver in the balancer. Connect directly.
-		a := resolver.Address{
-			Addr: bw.targetAddr,
-			Type: resolver.Backend,
-		}
-		sc, err := bw.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{})
-		if err != nil {
-			grpclog.Warningf("Error creating connection to %v. Err: %v", a, err)
-		} else {
-			bw.mu.Lock()
-			bw.conns[a] = sc
-			bw.connSt[sc] = &scState{
-				addr: Address{Addr: bw.targetAddr},
-				s:    connectivity.Idle,
-			}
-			bw.mu.Unlock()
-			sc.Connect()
-		}
-		return
-	}
-
-	for addrs := range notifyCh {
-		grpclog.Infof("balancerWrapper: got update addr from Notify: %v", addrs)
-		if bw.pickfirst {
-			var (
-				oldA  resolver.Address
-				oldSC balancer.SubConn
-			)
-			bw.mu.Lock()
-			for oldA, oldSC = range bw.conns {
-				break
-			}
-			bw.mu.Unlock()
-			if len(addrs) <= 0 {
-				if oldSC != nil {
-					// Teardown old sc.
-					bw.mu.Lock()
-					delete(bw.conns, oldA)
-					delete(bw.connSt, oldSC)
-					bw.mu.Unlock()
-					bw.cc.RemoveSubConn(oldSC)
-				}
-				continue
-			}
-
-			var newAddrs []resolver.Address
-			for _, a := range addrs {
-				newAddr := resolver.Address{
-					Addr:       a.Addr,
-					Type:       resolver.Backend, // All addresses from balancer are all backends.
-					ServerName: "",
-					Metadata:   a.Metadata,
-				}
-				newAddrs = append(newAddrs, newAddr)
-			}
-			if oldSC == nil {
-				// Create new sc.
-				sc, err := bw.cc.NewSubConn(newAddrs, balancer.NewSubConnOptions{})
-				if err != nil {
-					grpclog.Warningf("Error creating connection to %v. Err: %v", newAddrs, err)
-				} else {
-					bw.mu.Lock()
-					// For pickfirst, there should be only one SubConn, so the
-					// address doesn't matter. All states updating (up and down)
-					// and picking should all happen on that only SubConn.
-					bw.conns[resolver.Address{}] = sc
-					bw.connSt[sc] = &scState{
-						addr: addrs[0], // Use the first address.
-						s:    connectivity.Idle,
-					}
-					bw.mu.Unlock()
-					sc.Connect()
-				}
-			} else {
-				bw.mu.Lock()
-				bw.connSt[oldSC].addr = addrs[0]
-				bw.mu.Unlock()
-				oldSC.UpdateAddresses(newAddrs)
-			}
-		} else {
-			var (
-				add []resolver.Address // Addresses need to setup connections.
-				del []balancer.SubConn // Connections need to tear down.
-			)
-			resAddrs := make(map[resolver.Address]Address)
-			for _, a := range addrs {
-				resAddrs[resolver.Address{
-					Addr:       a.Addr,
-					Type:       resolver.Backend, // All addresses from balancer are all backends.
-					ServerName: "",
-					Metadata:   a.Metadata,
-				}] = a
-			}
-			bw.mu.Lock()
-			for a := range resAddrs {
-				if _, ok := bw.conns[a]; !ok {
-					add = append(add, a)
-				}
-			}
-			for a, c := range bw.conns {
-				if _, ok := resAddrs[a]; !ok {
-					del = append(del, c)
-					delete(bw.conns, a)
-					// Keep the state of this sc in bw.connSt until its state becomes Shutdown.
-				}
-			}
-			bw.mu.Unlock()
-			for _, a := range add {
-				sc, err := bw.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{})
-				if err != nil {
-					grpclog.Warningf("Error creating connection to %v. Err: %v", a, err)
-				} else {
-					bw.mu.Lock()
-					bw.conns[a] = sc
-					bw.connSt[sc] = &scState{
-						addr: resAddrs[a],
-						s:    connectivity.Idle,
-					}
-					bw.mu.Unlock()
-					sc.Connect()
-				}
-			}
-			for _, c := range del {
-				bw.cc.RemoveSubConn(c)
-			}
-		}
-	}
-}
-
-func (bw *balancerWrapper) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
-	bw.mu.Lock()
-	defer bw.mu.Unlock()
-	scSt, ok := bw.connSt[sc]
-	if !ok {
-		return
-	}
-	if s == connectivity.Idle {
-		sc.Connect()
-	}
-	oldS := scSt.s
-	scSt.s = s
-	if oldS != connectivity.Ready && s == connectivity.Ready {
-		scSt.down = bw.balancer.Up(scSt.addr)
-	} else if oldS == connectivity.Ready && s != connectivity.Ready {
-		if scSt.down != nil {
-			scSt.down(errConnClosing)
-		}
-	}
-	sa := bw.csEvltr.RecordTransition(oldS, s)
-	if bw.state != sa {
-		bw.state = sa
-	}
-	bw.cc.UpdateState(balancer.State{ConnectivityState: bw.state, Picker: bw})
-	if s == connectivity.Shutdown {
-		// Remove state for this sc.
-		delete(bw.connSt, sc)
-	}
-}
-
-func (bw *balancerWrapper) HandleResolvedAddrs([]resolver.Address, error) {
-	bw.mu.Lock()
-	defer bw.mu.Unlock()
-	select {
-	case <-bw.startCh:
-	default:
-		close(bw.startCh)
-	}
-	// There should be a resolver inside the balancer.
-	// All updates here, if any, are ignored.
-}
-
-func (bw *balancerWrapper) Close() {
-	bw.mu.Lock()
-	defer bw.mu.Unlock()
-	select {
-	case <-bw.startCh:
-	default:
-		close(bw.startCh)
-	}
-	bw.balancer.Close()
-}
-
-// The picker is the balancerWrapper itself.
-// It either blocks or returns error, consistent with v1 balancer Get().
-func (bw *balancerWrapper) Pick(info balancer.PickInfo) (result balancer.PickResult, err error) {
-	failfast := true // Default failfast is true.
-	if ss, ok := rpcInfoFromContext(info.Ctx); ok {
-		failfast = ss.failfast
-	}
-	a, p, err := bw.balancer.Get(info.Ctx, BalancerGetOptions{BlockingWait: !failfast})
-	if err != nil {
-		return balancer.PickResult{}, toRPCErr(err)
-	}
-	if p != nil {
-		result.Done = func(balancer.DoneInfo) { p() }
-		defer func() {
-			if err != nil {
-				p()
-			}
-		}()
-	}
-
-	bw.mu.Lock()
-	defer bw.mu.Unlock()
-	if bw.pickfirst {
-		// Get the first sc in conns.
-		for _, result.SubConn = range bw.conns {
-			return result, nil
-		}
-		return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
-	}
-	var ok1 bool
-	result.SubConn, ok1 = bw.conns[resolver.Address{
-		Addr:       a.Addr,
-		Type:       resolver.Backend,
-		ServerName: "",
-		Metadata:   a.Metadata,
-	}]
-	s, ok2 := bw.connSt[result.SubConn]
-	if !ok1 || !ok2 {
-		// This can only happen due to a race where Get() returned an address
-		// that was subsequently removed by Notify.  In this case we should
-		// retry always.
-		return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
-	}
-	switch s.s {
-	case connectivity.Ready, connectivity.Idle:
-		return result, nil
-	case connectivity.Shutdown, connectivity.TransientFailure:
-		// If the returned sc has been shut down or is in transient failure,
-		// return error, and this RPC will fail or wait for another picker (if
-		// non-failfast).
-		return balancer.PickResult{}, balancer.ErrTransientFailure
-	default:
-		// For other states (connecting or unknown), the v1 balancer would
-		// traditionally wait until ready and then issue the RPC.  Returning
-		// ErrNoSubConnAvailable will be a slight improvement in that it will
-		// allow the balancer to choose another address in case others are
-		// connected.
-		return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
-	}
-}
diff --git a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go
index f393bb661..ed75290cd 100644
--- a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go
+++ b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go
@@ -1,24 +1,49 @@
+// Copyright 2018 The gRPC Authors
+// All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/binlog/v1/binarylog.proto
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// source: grpc/binarylog/grpc_binarylog_v1/binarylog.proto
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.14.0
+// source: grpc/binlog/v1/binarylog.proto
 
-package grpc_binarylog_v1 // import "google.golang.org/grpc/binarylog/grpc_binarylog_v1"
+package grpc_binarylog_v1
 
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-import duration "github.com/golang/protobuf/ptypes/duration"
-import timestamp "github.com/golang/protobuf/ptypes/timestamp"
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
 
 // Enumerates the type of event
 // Note the terminology is different from the RPC semantics
@@ -54,32 +79,55 @@ const (
 	GrpcLogEntry_EVENT_TYPE_CANCEL GrpcLogEntry_EventType = 7
 )
 
-var GrpcLogEntry_EventType_name = map[int32]string{
-	0: "EVENT_TYPE_UNKNOWN",
-	1: "EVENT_TYPE_CLIENT_HEADER",
-	2: "EVENT_TYPE_SERVER_HEADER",
-	3: "EVENT_TYPE_CLIENT_MESSAGE",
-	4: "EVENT_TYPE_SERVER_MESSAGE",
-	5: "EVENT_TYPE_CLIENT_HALF_CLOSE",
-	6: "EVENT_TYPE_SERVER_TRAILER",
-	7: "EVENT_TYPE_CANCEL",
-}
-var GrpcLogEntry_EventType_value = map[string]int32{
-	"EVENT_TYPE_UNKNOWN":           0,
-	"EVENT_TYPE_CLIENT_HEADER":     1,
-	"EVENT_TYPE_SERVER_HEADER":     2,
-	"EVENT_TYPE_CLIENT_MESSAGE":    3,
-	"EVENT_TYPE_SERVER_MESSAGE":    4,
-	"EVENT_TYPE_CLIENT_HALF_CLOSE": 5,
-	"EVENT_TYPE_SERVER_TRAILER":    6,
-	"EVENT_TYPE_CANCEL":            7,
+// Enum value maps for GrpcLogEntry_EventType.
+var (
+	GrpcLogEntry_EventType_name = map[int32]string{
+		0: "EVENT_TYPE_UNKNOWN",
+		1: "EVENT_TYPE_CLIENT_HEADER",
+		2: "EVENT_TYPE_SERVER_HEADER",
+		3: "EVENT_TYPE_CLIENT_MESSAGE",
+		4: "EVENT_TYPE_SERVER_MESSAGE",
+		5: "EVENT_TYPE_CLIENT_HALF_CLOSE",
+		6: "EVENT_TYPE_SERVER_TRAILER",
+		7: "EVENT_TYPE_CANCEL",
+	}
+	GrpcLogEntry_EventType_value = map[string]int32{
+		"EVENT_TYPE_UNKNOWN":           0,
+		"EVENT_TYPE_CLIENT_HEADER":     1,
+		"EVENT_TYPE_SERVER_HEADER":     2,
+		"EVENT_TYPE_CLIENT_MESSAGE":    3,
+		"EVENT_TYPE_SERVER_MESSAGE":    4,
+		"EVENT_TYPE_CLIENT_HALF_CLOSE": 5,
+		"EVENT_TYPE_SERVER_TRAILER":    6,
+		"EVENT_TYPE_CANCEL":            7,
+	}
+)
+
+func (x GrpcLogEntry_EventType) Enum() *GrpcLogEntry_EventType {
+	p := new(GrpcLogEntry_EventType)
+	*p = x
+	return p
 }
 
 func (x GrpcLogEntry_EventType) String() string {
-	return proto.EnumName(GrpcLogEntry_EventType_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
+
+func (GrpcLogEntry_EventType) Descriptor() protoreflect.EnumDescriptor {
+	return file_grpc_binlog_v1_binarylog_proto_enumTypes[0].Descriptor()
+}
+
+func (GrpcLogEntry_EventType) Type() protoreflect.EnumType {
+	return &file_grpc_binlog_v1_binarylog_proto_enumTypes[0]
+}
+
+func (x GrpcLogEntry_EventType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use GrpcLogEntry_EventType.Descriptor instead.
 func (GrpcLogEntry_EventType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{0, 0}
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{0, 0}
 }
 
 // Enumerates the entity that generates the log entry
@@ -91,22 +139,45 @@ const (
 	GrpcLogEntry_LOGGER_SERVER  GrpcLogEntry_Logger = 2
 )
 
-var GrpcLogEntry_Logger_name = map[int32]string{
-	0: "LOGGER_UNKNOWN",
-	1: "LOGGER_CLIENT",
-	2: "LOGGER_SERVER",
-}
-var GrpcLogEntry_Logger_value = map[string]int32{
-	"LOGGER_UNKNOWN": 0,
-	"LOGGER_CLIENT":  1,
-	"LOGGER_SERVER":  2,
+// Enum value maps for GrpcLogEntry_Logger.
+var (
+	GrpcLogEntry_Logger_name = map[int32]string{
+		0: "LOGGER_UNKNOWN",
+		1: "LOGGER_CLIENT",
+		2: "LOGGER_SERVER",
+	}
+	GrpcLogEntry_Logger_value = map[string]int32{
+		"LOGGER_UNKNOWN": 0,
+		"LOGGER_CLIENT":  1,
+		"LOGGER_SERVER":  2,
+	}
+)
+
+func (x GrpcLogEntry_Logger) Enum() *GrpcLogEntry_Logger {
+	p := new(GrpcLogEntry_Logger)
+	*p = x
+	return p
 }
 
 func (x GrpcLogEntry_Logger) String() string {
-	return proto.EnumName(GrpcLogEntry_Logger_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
+
+func (GrpcLogEntry_Logger) Descriptor() protoreflect.EnumDescriptor {
+	return file_grpc_binlog_v1_binarylog_proto_enumTypes[1].Descriptor()
+}
+
+func (GrpcLogEntry_Logger) Type() protoreflect.EnumType {
+	return &file_grpc_binlog_v1_binarylog_proto_enumTypes[1]
+}
+
+func (x GrpcLogEntry_Logger) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use GrpcLogEntry_Logger.Descriptor instead.
 func (GrpcLogEntry_Logger) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{0, 1}
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{0, 1}
 }
 
 type Address_Type int32
@@ -122,30 +193,57 @@ const (
 	Address_TYPE_UNIX Address_Type = 3
 )
 
-var Address_Type_name = map[int32]string{
-	0: "TYPE_UNKNOWN",
-	1: "TYPE_IPV4",
-	2: "TYPE_IPV6",
-	3: "TYPE_UNIX",
-}
-var Address_Type_value = map[string]int32{
-	"TYPE_UNKNOWN": 0,
-	"TYPE_IPV4":    1,
-	"TYPE_IPV6":    2,
-	"TYPE_UNIX":    3,
+// Enum value maps for Address_Type.
+var (
+	Address_Type_name = map[int32]string{
+		0: "TYPE_UNKNOWN",
+		1: "TYPE_IPV4",
+		2: "TYPE_IPV6",
+		3: "TYPE_UNIX",
+	}
+	Address_Type_value = map[string]int32{
+		"TYPE_UNKNOWN": 0,
+		"TYPE_IPV4":    1,
+		"TYPE_IPV6":    2,
+		"TYPE_UNIX":    3,
+	}
+)
+
+func (x Address_Type) Enum() *Address_Type {
+	p := new(Address_Type)
+	*p = x
+	return p
 }
 
 func (x Address_Type) String() string {
-	return proto.EnumName(Address_Type_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
+
+func (Address_Type) Descriptor() protoreflect.EnumDescriptor {
+	return file_grpc_binlog_v1_binarylog_proto_enumTypes[2].Descriptor()
+}
+
+func (Address_Type) Type() protoreflect.EnumType {
+	return &file_grpc_binlog_v1_binarylog_proto_enumTypes[2]
+}
+
+func (x Address_Type) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Address_Type.Descriptor instead.
 func (Address_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{7, 0}
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{7, 0}
 }
 
 // Log entry we store in binary logs
 type GrpcLogEntry struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The timestamp of the binary log message
-	Timestamp *timestamp.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// Uniquely identifies a call. The value must not be 0 in order to disambiguate
 	// from an unset value.
 	// Each call may have several log entries, they will all have the same call_id.
@@ -158,11 +256,11 @@ type GrpcLogEntry struct {
 	// durability or ordering is not guaranteed.
 	SequenceIdWithinCall uint64                 `protobuf:"varint,3,opt,name=sequence_id_within_call,json=sequenceIdWithinCall,proto3" json:"sequence_id_within_call,omitempty"`
 	Type                 GrpcLogEntry_EventType `protobuf:"varint,4,opt,name=type,proto3,enum=grpc.binarylog.v1.GrpcLogEntry_EventType" json:"type,omitempty"`
-	Logger               GrpcLogEntry_Logger    `protobuf:"varint,5,opt,name=logger,proto3,enum=grpc.binarylog.v1.GrpcLogEntry_Logger" json:"logger,omitempty"`
+	Logger               GrpcLogEntry_Logger    `protobuf:"varint,5,opt,name=logger,proto3,enum=grpc.binarylog.v1.GrpcLogEntry_Logger" json:"logger,omitempty"` // One of the above Logger enum
 	// The logger uses one of the following fields to record the payload,
 	// according to the type of the log entry.
 	//
-	// Types that are valid to be assigned to Payload:
+	// Types that are assignable to Payload:
 	//	*GrpcLogEntry_ClientHeader
 	//	*GrpcLogEntry_ServerHeader
 	//	*GrpcLogEntry_Message
@@ -175,71 +273,125 @@ type GrpcLogEntry struct {
 	// EVENT_TYPE_SERVER_HEADER normally or EVENT_TYPE_SERVER_TRAILER in
 	// the case of trailers-only. On server side, peer is always
 	// logged on EVENT_TYPE_CLIENT_HEADER.
-	Peer                 *Address `protobuf:"bytes,11,opt,name=peer,proto3" json:"peer,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Peer *Address `protobuf:"bytes,11,opt,name=peer,proto3" json:"peer,omitempty"`
 }
 
-func (m *GrpcLogEntry) Reset()         { *m = GrpcLogEntry{} }
-func (m *GrpcLogEntry) String() string { return proto.CompactTextString(m) }
-func (*GrpcLogEntry) ProtoMessage()    {}
+func (x *GrpcLogEntry) Reset() {
+	*x = GrpcLogEntry{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcLogEntry) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcLogEntry) ProtoMessage() {}
+
+func (x *GrpcLogEntry) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcLogEntry.ProtoReflect.Descriptor instead.
 func (*GrpcLogEntry) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{0}
-}
-func (m *GrpcLogEntry) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_GrpcLogEntry.Unmarshal(m, b)
-}
-func (m *GrpcLogEntry) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_GrpcLogEntry.Marshal(b, m, deterministic)
-}
-func (dst *GrpcLogEntry) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GrpcLogEntry.Merge(dst, src)
-}
-func (m *GrpcLogEntry) XXX_Size() int {
-	return xxx_messageInfo_GrpcLogEntry.Size(m)
-}
-func (m *GrpcLogEntry) XXX_DiscardUnknown() {
-	xxx_messageInfo_GrpcLogEntry.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{0}
 }
 
-var xxx_messageInfo_GrpcLogEntry proto.InternalMessageInfo
-
-func (m *GrpcLogEntry) GetTimestamp() *timestamp.Timestamp {
-	if m != nil {
-		return m.Timestamp
+func (x *GrpcLogEntry) GetTimestamp() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Timestamp
 	}
 	return nil
 }
 
-func (m *GrpcLogEntry) GetCallId() uint64 {
-	if m != nil {
-		return m.CallId
+func (x *GrpcLogEntry) GetCallId() uint64 {
+	if x != nil {
+		return x.CallId
 	}
 	return 0
 }
 
-func (m *GrpcLogEntry) GetSequenceIdWithinCall() uint64 {
-	if m != nil {
-		return m.SequenceIdWithinCall
+func (x *GrpcLogEntry) GetSequenceIdWithinCall() uint64 {
+	if x != nil {
+		return x.SequenceIdWithinCall
 	}
 	return 0
 }
 
-func (m *GrpcLogEntry) GetType() GrpcLogEntry_EventType {
-	if m != nil {
-		return m.Type
+func (x *GrpcLogEntry) GetType() GrpcLogEntry_EventType {
+	if x != nil {
+		return x.Type
 	}
 	return GrpcLogEntry_EVENT_TYPE_UNKNOWN
 }
 
-func (m *GrpcLogEntry) GetLogger() GrpcLogEntry_Logger {
-	if m != nil {
-		return m.Logger
+func (x *GrpcLogEntry) GetLogger() GrpcLogEntry_Logger {
+	if x != nil {
+		return x.Logger
 	}
 	return GrpcLogEntry_LOGGER_UNKNOWN
 }
 
+func (m *GrpcLogEntry) GetPayload() isGrpcLogEntry_Payload {
+	if m != nil {
+		return m.Payload
+	}
+	return nil
+}
+
+func (x *GrpcLogEntry) GetClientHeader() *ClientHeader {
+	if x, ok := x.GetPayload().(*GrpcLogEntry_ClientHeader); ok {
+		return x.ClientHeader
+	}
+	return nil
+}
+
+func (x *GrpcLogEntry) GetServerHeader() *ServerHeader {
+	if x, ok := x.GetPayload().(*GrpcLogEntry_ServerHeader); ok {
+		return x.ServerHeader
+	}
+	return nil
+}
+
+func (x *GrpcLogEntry) GetMessage() *Message {
+	if x, ok := x.GetPayload().(*GrpcLogEntry_Message); ok {
+		return x.Message
+	}
+	return nil
+}
+
+func (x *GrpcLogEntry) GetTrailer() *Trailer {
+	if x, ok := x.GetPayload().(*GrpcLogEntry_Trailer); ok {
+		return x.Trailer
+	}
+	return nil
+}
+
+func (x *GrpcLogEntry) GetPayloadTruncated() bool {
+	if x != nil {
+		return x.PayloadTruncated
+	}
+	return false
+}
+
+func (x *GrpcLogEntry) GetPeer() *Address {
+	if x != nil {
+		return x.Peer
+	}
+	return nil
+}
+
 type isGrpcLogEntry_Payload interface {
 	isGrpcLogEntry_Payload()
 }
@@ -253,6 +405,7 @@ type GrpcLogEntry_ServerHeader struct {
 }
 
 type GrpcLogEntry_Message struct {
+	// Used by EVENT_TYPE_CLIENT_MESSAGE, EVENT_TYPE_SERVER_MESSAGE
 	Message *Message `protobuf:"bytes,8,opt,name=message,proto3,oneof"`
 }
 
@@ -268,168 +421,11 @@ func (*GrpcLogEntry_Message) isGrpcLogEntry_Payload() {}
 
 func (*GrpcLogEntry_Trailer) isGrpcLogEntry_Payload() {}
 
-func (m *GrpcLogEntry) GetPayload() isGrpcLogEntry_Payload {
-	if m != nil {
-		return m.Payload
-	}
-	return nil
-}
-
-func (m *GrpcLogEntry) GetClientHeader() *ClientHeader {
-	if x, ok := m.GetPayload().(*GrpcLogEntry_ClientHeader); ok {
-		return x.ClientHeader
-	}
-	return nil
-}
-
-func (m *GrpcLogEntry) GetServerHeader() *ServerHeader {
-	if x, ok := m.GetPayload().(*GrpcLogEntry_ServerHeader); ok {
-		return x.ServerHeader
-	}
-	return nil
-}
-
-func (m *GrpcLogEntry) GetMessage() *Message {
-	if x, ok := m.GetPayload().(*GrpcLogEntry_Message); ok {
-		return x.Message
-	}
-	return nil
-}
-
-func (m *GrpcLogEntry) GetTrailer() *Trailer {
-	if x, ok := m.GetPayload().(*GrpcLogEntry_Trailer); ok {
-		return x.Trailer
-	}
-	return nil
-}
-
-func (m *GrpcLogEntry) GetPayloadTruncated() bool {
-	if m != nil {
-		return m.PayloadTruncated
-	}
-	return false
-}
-
-func (m *GrpcLogEntry) GetPeer() *Address {
-	if m != nil {
-		return m.Peer
-	}
-	return nil
-}
-
-// XXX_OneofFuncs is for the internal use of the proto package.
-func (*GrpcLogEntry) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
-	return _GrpcLogEntry_OneofMarshaler, _GrpcLogEntry_OneofUnmarshaler, _GrpcLogEntry_OneofSizer, []interface{}{
-		(*GrpcLogEntry_ClientHeader)(nil),
-		(*GrpcLogEntry_ServerHeader)(nil),
-		(*GrpcLogEntry_Message)(nil),
-		(*GrpcLogEntry_Trailer)(nil),
-	}
-}
-
-func _GrpcLogEntry_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*GrpcLogEntry)
-	// payload
-	switch x := m.Payload.(type) {
-	case *GrpcLogEntry_ClientHeader:
-		b.EncodeVarint(6<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.ClientHeader); err != nil {
-			return err
-		}
-	case *GrpcLogEntry_ServerHeader:
-		b.EncodeVarint(7<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.ServerHeader); err != nil {
-			return err
-		}
-	case *GrpcLogEntry_Message:
-		b.EncodeVarint(8<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.Message); err != nil {
-			return err
-		}
-	case *GrpcLogEntry_Trailer:
-		b.EncodeVarint(9<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.Trailer); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("GrpcLogEntry.Payload has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _GrpcLogEntry_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*GrpcLogEntry)
-	switch tag {
-	case 6: // payload.client_header
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(ClientHeader)
-		err := b.DecodeMessage(msg)
-		m.Payload = &GrpcLogEntry_ClientHeader{msg}
-		return true, err
-	case 7: // payload.server_header
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(ServerHeader)
-		err := b.DecodeMessage(msg)
-		m.Payload = &GrpcLogEntry_ServerHeader{msg}
-		return true, err
-	case 8: // payload.message
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(Message)
-		err := b.DecodeMessage(msg)
-		m.Payload = &GrpcLogEntry_Message{msg}
-		return true, err
-	case 9: // payload.trailer
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(Trailer)
-		err := b.DecodeMessage(msg)
-		m.Payload = &GrpcLogEntry_Trailer{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _GrpcLogEntry_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*GrpcLogEntry)
-	// payload
-	switch x := m.Payload.(type) {
-	case *GrpcLogEntry_ClientHeader:
-		s := proto.Size(x.ClientHeader)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *GrpcLogEntry_ServerHeader:
-		s := proto.Size(x.ServerHeader)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *GrpcLogEntry_Message:
-		s := proto.Size(x.Message)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case *GrpcLogEntry_Trailer:
-		s := proto.Size(x.Trailer)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
 type ClientHeader struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// This contains only the metadata from the application.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The name of the RPC method, which looks something like:
@@ -443,104 +439,122 @@ type ClientHeader struct {
 	// <host> or <host>:<port> .
 	Authority string `protobuf:"bytes,3,opt,name=authority,proto3" json:"authority,omitempty"`
 	// the RPC timeout
-	Timeout              *duration.Duration `protobuf:"bytes,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
-	XXX_unrecognized     []byte             `json:"-"`
-	XXX_sizecache        int32              `json:"-"`
+	Timeout *durationpb.Duration `protobuf:"bytes,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
 }
 
-func (m *ClientHeader) Reset()         { *m = ClientHeader{} }
-func (m *ClientHeader) String() string { return proto.CompactTextString(m) }
-func (*ClientHeader) ProtoMessage()    {}
+func (x *ClientHeader) Reset() {
+	*x = ClientHeader{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ClientHeader) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientHeader) ProtoMessage() {}
+
+func (x *ClientHeader) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientHeader.ProtoReflect.Descriptor instead.
 func (*ClientHeader) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{1}
-}
-func (m *ClientHeader) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ClientHeader.Unmarshal(m, b)
-}
-func (m *ClientHeader) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ClientHeader.Marshal(b, m, deterministic)
-}
-func (dst *ClientHeader) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ClientHeader.Merge(dst, src)
-}
-func (m *ClientHeader) XXX_Size() int {
-	return xxx_messageInfo_ClientHeader.Size(m)
-}
-func (m *ClientHeader) XXX_DiscardUnknown() {
-	xxx_messageInfo_ClientHeader.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{1}
 }
 
-var xxx_messageInfo_ClientHeader proto.InternalMessageInfo
-
-func (m *ClientHeader) GetMetadata() *Metadata {
-	if m != nil {
-		return m.Metadata
+func (x *ClientHeader) GetMetadata() *Metadata {
+	if x != nil {
+		return x.Metadata
 	}
 	return nil
 }
 
-func (m *ClientHeader) GetMethodName() string {
-	if m != nil {
-		return m.MethodName
+func (x *ClientHeader) GetMethodName() string {
+	if x != nil {
+		return x.MethodName
 	}
 	return ""
 }
 
-func (m *ClientHeader) GetAuthority() string {
-	if m != nil {
-		return m.Authority
+func (x *ClientHeader) GetAuthority() string {
+	if x != nil {
+		return x.Authority
 	}
 	return ""
 }
 
-func (m *ClientHeader) GetTimeout() *duration.Duration {
-	if m != nil {
-		return m.Timeout
+func (x *ClientHeader) GetTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.Timeout
 	}
 	return nil
 }
 
 type ServerHeader struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// This contains only the metadata from the application.
-	Metadata             *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
-	XXX_unrecognized     []byte    `json:"-"`
-	XXX_sizecache        int32     `json:"-"`
+	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 }
 
-func (m *ServerHeader) Reset()         { *m = ServerHeader{} }
-func (m *ServerHeader) String() string { return proto.CompactTextString(m) }
-func (*ServerHeader) ProtoMessage()    {}
+func (x *ServerHeader) Reset() {
+	*x = ServerHeader{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ServerHeader) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServerHeader) ProtoMessage() {}
+
+func (x *ServerHeader) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServerHeader.ProtoReflect.Descriptor instead.
 func (*ServerHeader) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{2}
-}
-func (m *ServerHeader) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ServerHeader.Unmarshal(m, b)
-}
-func (m *ServerHeader) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ServerHeader.Marshal(b, m, deterministic)
-}
-func (dst *ServerHeader) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServerHeader.Merge(dst, src)
-}
-func (m *ServerHeader) XXX_Size() int {
-	return xxx_messageInfo_ServerHeader.Size(m)
-}
-func (m *ServerHeader) XXX_DiscardUnknown() {
-	xxx_messageInfo_ServerHeader.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{2}
 }
 
-var xxx_messageInfo_ServerHeader proto.InternalMessageInfo
-
-func (m *ServerHeader) GetMetadata() *Metadata {
-	if m != nil {
-		return m.Metadata
+func (x *ServerHeader) GetMetadata() *Metadata {
+	if x != nil {
+		return x.Metadata
 	}
 	return nil
 }
 
 type Trailer struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// This contains only the metadata from the application.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The gRPC status code.
@@ -550,110 +564,124 @@ type Trailer struct {
 	StatusMessage string `protobuf:"bytes,3,opt,name=status_message,json=statusMessage,proto3" json:"status_message,omitempty"`
 	// The value of the 'grpc-status-details-bin' metadata key. If
 	// present, this is always an encoded 'google.rpc.Status' message.
-	StatusDetails        []byte   `protobuf:"bytes,4,opt,name=status_details,json=statusDetails,proto3" json:"status_details,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	StatusDetails []byte `protobuf:"bytes,4,opt,name=status_details,json=statusDetails,proto3" json:"status_details,omitempty"`
 }
 
-func (m *Trailer) Reset()         { *m = Trailer{} }
-func (m *Trailer) String() string { return proto.CompactTextString(m) }
-func (*Trailer) ProtoMessage()    {}
+func (x *Trailer) Reset() {
+	*x = Trailer{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Trailer) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Trailer) ProtoMessage() {}
+
+func (x *Trailer) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Trailer.ProtoReflect.Descriptor instead.
 func (*Trailer) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{3}
-}
-func (m *Trailer) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Trailer.Unmarshal(m, b)
-}
-func (m *Trailer) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Trailer.Marshal(b, m, deterministic)
-}
-func (dst *Trailer) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Trailer.Merge(dst, src)
-}
-func (m *Trailer) XXX_Size() int {
-	return xxx_messageInfo_Trailer.Size(m)
-}
-func (m *Trailer) XXX_DiscardUnknown() {
-	xxx_messageInfo_Trailer.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{3}
 }
 
-var xxx_messageInfo_Trailer proto.InternalMessageInfo
-
-func (m *Trailer) GetMetadata() *Metadata {
-	if m != nil {
-		return m.Metadata
+func (x *Trailer) GetMetadata() *Metadata {
+	if x != nil {
+		return x.Metadata
 	}
 	return nil
 }
 
-func (m *Trailer) GetStatusCode() uint32 {
-	if m != nil {
-		return m.StatusCode
+func (x *Trailer) GetStatusCode() uint32 {
+	if x != nil {
+		return x.StatusCode
 	}
 	return 0
 }
 
-func (m *Trailer) GetStatusMessage() string {
-	if m != nil {
-		return m.StatusMessage
+func (x *Trailer) GetStatusMessage() string {
+	if x != nil {
+		return x.StatusMessage
 	}
 	return ""
 }
 
-func (m *Trailer) GetStatusDetails() []byte {
-	if m != nil {
-		return m.StatusDetails
+func (x *Trailer) GetStatusDetails() []byte {
+	if x != nil {
+		return x.StatusDetails
 	}
 	return nil
 }
 
 // Message payload, used by CLIENT_MESSAGE and SERVER_MESSAGE
 type Message struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Length of the message. It may not be the same as the length of the
 	// data field, as the logging payload can be truncated or omitted.
 	Length uint32 `protobuf:"varint,1,opt,name=length,proto3" json:"length,omitempty"`
 	// May be truncated or omitted.
-	Data                 []byte   `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
 }
 
-func (m *Message) Reset()         { *m = Message{} }
-func (m *Message) String() string { return proto.CompactTextString(m) }
-func (*Message) ProtoMessage()    {}
+func (x *Message) Reset() {
+	*x = Message{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Message) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Message) ProtoMessage() {}
+
+func (x *Message) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Message.ProtoReflect.Descriptor instead.
 func (*Message) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{4}
-}
-func (m *Message) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Message.Unmarshal(m, b)
-}
-func (m *Message) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Message.Marshal(b, m, deterministic)
-}
-func (dst *Message) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Message.Merge(dst, src)
-}
-func (m *Message) XXX_Size() int {
-	return xxx_messageInfo_Message.Size(m)
-}
-func (m *Message) XXX_DiscardUnknown() {
-	xxx_messageInfo_Message.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{4}
 }
 
-var xxx_messageInfo_Message proto.InternalMessageInfo
-
-func (m *Message) GetLength() uint32 {
-	if m != nil {
-		return m.Length
+func (x *Message) GetLength() uint32 {
+	if x != nil {
+		return x.Length
 	}
 	return 0
 }
 
-func (m *Message) GetData() []byte {
-	if m != nil {
-		return m.Data
+func (x *Message) GetData() []byte {
+	if x != nil {
+		return x.Data
 	}
 	return nil
 }
@@ -680,221 +708,480 @@ func (m *Message) GetData() []byte {
 // header is just a normal metadata key.
 // The pair will not count towards the size limit.
 type Metadata struct {
-	Entry                []*MetadataEntry `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
-	XXX_unrecognized     []byte           `json:"-"`
-	XXX_sizecache        int32            `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Entry []*MetadataEntry `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
 }
 
-func (m *Metadata) Reset()         { *m = Metadata{} }
-func (m *Metadata) String() string { return proto.CompactTextString(m) }
-func (*Metadata) ProtoMessage()    {}
+func (x *Metadata) Reset() {
+	*x = Metadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Metadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Metadata) ProtoMessage() {}
+
+func (x *Metadata) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Metadata.ProtoReflect.Descriptor instead.
 func (*Metadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{5}
-}
-func (m *Metadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Metadata.Unmarshal(m, b)
-}
-func (m *Metadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Metadata.Marshal(b, m, deterministic)
-}
-func (dst *Metadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Metadata.Merge(dst, src)
-}
-func (m *Metadata) XXX_Size() int {
-	return xxx_messageInfo_Metadata.Size(m)
-}
-func (m *Metadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_Metadata.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{5}
 }
 
-var xxx_messageInfo_Metadata proto.InternalMessageInfo
-
-func (m *Metadata) GetEntry() []*MetadataEntry {
-	if m != nil {
-		return m.Entry
+func (x *Metadata) GetEntry() []*MetadataEntry {
+	if x != nil {
+		return x.Entry
 	}
 	return nil
 }
 
 // A metadata key value pair
 type MetadataEntry struct {
-	Key                  string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
-	Value                []byte   `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
 }
 
-func (m *MetadataEntry) Reset()         { *m = MetadataEntry{} }
-func (m *MetadataEntry) String() string { return proto.CompactTextString(m) }
-func (*MetadataEntry) ProtoMessage()    {}
+func (x *MetadataEntry) Reset() {
+	*x = MetadataEntry{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MetadataEntry) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MetadataEntry) ProtoMessage() {}
+
+func (x *MetadataEntry) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MetadataEntry.ProtoReflect.Descriptor instead.
 func (*MetadataEntry) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{6}
-}
-func (m *MetadataEntry) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_MetadataEntry.Unmarshal(m, b)
-}
-func (m *MetadataEntry) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_MetadataEntry.Marshal(b, m, deterministic)
-}
-func (dst *MetadataEntry) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MetadataEntry.Merge(dst, src)
-}
-func (m *MetadataEntry) XXX_Size() int {
-	return xxx_messageInfo_MetadataEntry.Size(m)
-}
-func (m *MetadataEntry) XXX_DiscardUnknown() {
-	xxx_messageInfo_MetadataEntry.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{6}
 }
 
-var xxx_messageInfo_MetadataEntry proto.InternalMessageInfo
-
-func (m *MetadataEntry) GetKey() string {
-	if m != nil {
-		return m.Key
+func (x *MetadataEntry) GetKey() string {
+	if x != nil {
+		return x.Key
 	}
 	return ""
 }
 
-func (m *MetadataEntry) GetValue() []byte {
-	if m != nil {
-		return m.Value
+func (x *MetadataEntry) GetValue() []byte {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
 // Address information
 type Address struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Type    Address_Type `protobuf:"varint,1,opt,name=type,proto3,enum=grpc.binarylog.v1.Address_Type" json:"type,omitempty"`
 	Address string       `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
 	// only for TYPE_IPV4 and TYPE_IPV6
-	IpPort               uint32   `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	IpPort uint32 `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"`
 }
 
-func (m *Address) Reset()         { *m = Address{} }
-func (m *Address) String() string { return proto.CompactTextString(m) }
-func (*Address) ProtoMessage()    {}
+func (x *Address) Reset() {
+	*x = Address{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Address) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Address) ProtoMessage() {}
+
+func (x *Address) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Address.ProtoReflect.Descriptor instead.
 func (*Address) Descriptor() ([]byte, []int) {
-	return fileDescriptor_binarylog_264c8c9c551ce911, []int{7}
-}
-func (m *Address) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Address.Unmarshal(m, b)
-}
-func (m *Address) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Address.Marshal(b, m, deterministic)
-}
-func (dst *Address) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Address.Merge(dst, src)
-}
-func (m *Address) XXX_Size() int {
-	return xxx_messageInfo_Address.Size(m)
-}
-func (m *Address) XXX_DiscardUnknown() {
-	xxx_messageInfo_Address.DiscardUnknown(m)
+	return file_grpc_binlog_v1_binarylog_proto_rawDescGZIP(), []int{7}
 }
 
-var xxx_messageInfo_Address proto.InternalMessageInfo
-
-func (m *Address) GetType() Address_Type {
-	if m != nil {
-		return m.Type
+func (x *Address) GetType() Address_Type {
+	if x != nil {
+		return x.Type
 	}
 	return Address_TYPE_UNKNOWN
 }
 
-func (m *Address) GetAddress() string {
-	if m != nil {
-		return m.Address
+func (x *Address) GetAddress() string {
+	if x != nil {
+		return x.Address
 	}
 	return ""
 }
 
-func (m *Address) GetIpPort() uint32 {
-	if m != nil {
-		return m.IpPort
+func (x *Address) GetIpPort() uint32 {
+	if x != nil {
+		return x.IpPort
 	}
 	return 0
 }
 
-func init() {
-	proto.RegisterType((*GrpcLogEntry)(nil), "grpc.binarylog.v1.GrpcLogEntry")
-	proto.RegisterType((*ClientHeader)(nil), "grpc.binarylog.v1.ClientHeader")
-	proto.RegisterType((*ServerHeader)(nil), "grpc.binarylog.v1.ServerHeader")
-	proto.RegisterType((*Trailer)(nil), "grpc.binarylog.v1.Trailer")
-	proto.RegisterType((*Message)(nil), "grpc.binarylog.v1.Message")
-	proto.RegisterType((*Metadata)(nil), "grpc.binarylog.v1.Metadata")
-	proto.RegisterType((*MetadataEntry)(nil), "grpc.binarylog.v1.MetadataEntry")
-	proto.RegisterType((*Address)(nil), "grpc.binarylog.v1.Address")
-	proto.RegisterEnum("grpc.binarylog.v1.GrpcLogEntry_EventType", GrpcLogEntry_EventType_name, GrpcLogEntry_EventType_value)
-	proto.RegisterEnum("grpc.binarylog.v1.GrpcLogEntry_Logger", GrpcLogEntry_Logger_name, GrpcLogEntry_Logger_value)
-	proto.RegisterEnum("grpc.binarylog.v1.Address_Type", Address_Type_name, Address_Type_value)
+var File_grpc_binlog_v1_binarylog_proto protoreflect.FileDescriptor
+
+var file_grpc_binlog_v1_binarylog_proto_rawDesc = []byte{
+	0x0a, 0x1e, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x69, 0x6e, 0x6c, 0x6f, 0x67, 0x2f, 0x76, 0x31,
+	0x2f, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x12, 0x11, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67,
+	0x2e, 0x76, 0x31, 0x1a, 0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x22, 0xbb, 0x07, 0x0a, 0x0c, 0x47, 0x72, 0x70, 0x63, 0x4c, 0x6f, 0x67,
+	0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x38, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61,
+	0x6d, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
+	0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73,
+	0x74, 0x61, 0x6d, 0x70, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x12,
+	0x17, 0x0a, 0x07, 0x63, 0x61, 0x6c, 0x6c, 0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04,
+	0x52, 0x06, 0x63, 0x61, 0x6c, 0x6c, 0x49, 0x64, 0x12, 0x35, 0x0a, 0x17, 0x73, 0x65, 0x71, 0x75,
+	0x65, 0x6e, 0x63, 0x65, 0x5f, 0x69, 0x64, 0x5f, 0x77, 0x69, 0x74, 0x68, 0x69, 0x6e, 0x5f, 0x63,
+	0x61, 0x6c, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x14, 0x73, 0x65, 0x71, 0x75, 0x65,
+	0x6e, 0x63, 0x65, 0x49, 0x64, 0x57, 0x69, 0x74, 0x68, 0x69, 0x6e, 0x43, 0x61, 0x6c, 0x6c, 0x12,
+	0x3d, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x29, 0x2e,
+	0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76,
+	0x31, 0x2e, 0x47, 0x72, 0x70, 0x63, 0x4c, 0x6f, 0x67, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x2e, 0x45,
+	0x76, 0x65, 0x6e, 0x74, 0x54, 0x79, 0x70, 0x65, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x3e,
+	0x0a, 0x06, 0x6c, 0x6f, 0x67, 0x67, 0x65, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x26,
+	0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e,
+	0x76, 0x31, 0x2e, 0x47, 0x72, 0x70, 0x63, 0x4c, 0x6f, 0x67, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x2e,
+	0x4c, 0x6f, 0x67, 0x67, 0x65, 0x72, 0x52, 0x06, 0x6c, 0x6f, 0x67, 0x67, 0x65, 0x72, 0x12, 0x46,
+	0x0a, 0x0d, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18,
+	0x06, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e,
+	0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74,
+	0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x48, 0x00, 0x52, 0x0c, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74,
+	0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x46, 0x0a, 0x0d, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72,
+	0x5f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e,
+	0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76,
+	0x31, 0x2e, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x48, 0x00,
+	0x52, 0x0c, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x36,
+	0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x08, 0x20, 0x01, 0x28, 0x0b, 0x32,
+	0x1a, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67,
+	0x2e, 0x76, 0x31, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x48, 0x00, 0x52, 0x07, 0x6d,
+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x36, 0x0a, 0x07, 0x74, 0x72, 0x61, 0x69, 0x6c, 0x65,
+	0x72, 0x18, 0x09, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62,
+	0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x72, 0x61, 0x69,
+	0x6c, 0x65, 0x72, 0x48, 0x00, 0x52, 0x07, 0x74, 0x72, 0x61, 0x69, 0x6c, 0x65, 0x72, 0x12, 0x2b,
+	0x0a, 0x11, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x5f, 0x74, 0x72, 0x75, 0x6e, 0x63, 0x61,
+	0x74, 0x65, 0x64, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x08, 0x52, 0x10, 0x70, 0x61, 0x79, 0x6c, 0x6f,
+	0x61, 0x64, 0x54, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x64, 0x12, 0x2e, 0x0a, 0x04, 0x70,
+	0x65, 0x65, 0x72, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x72, 0x70, 0x63,
+	0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x41, 0x64,
+	0x64, 0x72, 0x65, 0x73, 0x73, 0x52, 0x04, 0x70, 0x65, 0x65, 0x72, 0x22, 0xf5, 0x01, 0x0a, 0x09,
+	0x45, 0x76, 0x65, 0x6e, 0x74, 0x54, 0x79, 0x70, 0x65, 0x12, 0x16, 0x0a, 0x12, 0x45, 0x56, 0x45,
+	0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10,
+	0x00, 0x12, 0x1c, 0x0a, 0x18, 0x45, 0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f,
+	0x43, 0x4c, 0x49, 0x45, 0x4e, 0x54, 0x5f, 0x48, 0x45, 0x41, 0x44, 0x45, 0x52, 0x10, 0x01, 0x12,
+	0x1c, 0x0a, 0x18, 0x45, 0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x53, 0x45,
+	0x52, 0x56, 0x45, 0x52, 0x5f, 0x48, 0x45, 0x41, 0x44, 0x45, 0x52, 0x10, 0x02, 0x12, 0x1d, 0x0a,
+	0x19, 0x45, 0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x43, 0x4c, 0x49, 0x45,
+	0x4e, 0x54, 0x5f, 0x4d, 0x45, 0x53, 0x53, 0x41, 0x47, 0x45, 0x10, 0x03, 0x12, 0x1d, 0x0a, 0x19,
+	0x45, 0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x53, 0x45, 0x52, 0x56, 0x45,
+	0x52, 0x5f, 0x4d, 0x45, 0x53, 0x53, 0x41, 0x47, 0x45, 0x10, 0x04, 0x12, 0x20, 0x0a, 0x1c, 0x45,
+	0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x43, 0x4c, 0x49, 0x45, 0x4e, 0x54,
+	0x5f, 0x48, 0x41, 0x4c, 0x46, 0x5f, 0x43, 0x4c, 0x4f, 0x53, 0x45, 0x10, 0x05, 0x12, 0x1d, 0x0a,
+	0x19, 0x45, 0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x53, 0x45, 0x52, 0x56,
+	0x45, 0x52, 0x5f, 0x54, 0x52, 0x41, 0x49, 0x4c, 0x45, 0x52, 0x10, 0x06, 0x12, 0x15, 0x0a, 0x11,
+	0x45, 0x56, 0x45, 0x4e, 0x54, 0x5f, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x43, 0x41, 0x4e, 0x43, 0x45,
+	0x4c, 0x10, 0x07, 0x22, 0x42, 0x0a, 0x06, 0x4c, 0x6f, 0x67, 0x67, 0x65, 0x72, 0x12, 0x12, 0x0a,
+	0x0e, 0x4c, 0x4f, 0x47, 0x47, 0x45, 0x52, 0x5f, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10,
+	0x00, 0x12, 0x11, 0x0a, 0x0d, 0x4c, 0x4f, 0x47, 0x47, 0x45, 0x52, 0x5f, 0x43, 0x4c, 0x49, 0x45,
+	0x4e, 0x54, 0x10, 0x01, 0x12, 0x11, 0x0a, 0x0d, 0x4c, 0x4f, 0x47, 0x47, 0x45, 0x52, 0x5f, 0x53,
+	0x45, 0x52, 0x56, 0x45, 0x52, 0x10, 0x02, 0x42, 0x09, 0x0a, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f,
+	0x61, 0x64, 0x22, 0xbb, 0x01, 0x0a, 0x0c, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x48, 0x65, 0x61,
+	0x64, 0x65, 0x72, 0x12, 0x37, 0x0a, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e,
+	0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61,
+	0x74, 0x61, 0x52, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x12, 0x1f, 0x0a, 0x0b,
+	0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x0a, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1c, 0x0a,
+	0x09, 0x61, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x09, 0x61, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x12, 0x33, 0x0a, 0x07, 0x74,
+	0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67,
+	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x44,
+	0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x07, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74,
+	0x22, 0x47, 0x0a, 0x0c, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72,
+	0x12, 0x37, 0x0a, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79,
+	0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x52,
+	0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x22, 0xb1, 0x01, 0x0a, 0x07, 0x54, 0x72,
+	0x61, 0x69, 0x6c, 0x65, 0x72, 0x12, 0x37, 0x0a, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74,
+	0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62,
+	0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x4d, 0x65, 0x74, 0x61,
+	0x64, 0x61, 0x74, 0x61, 0x52, 0x08, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x12, 0x1f,
+	0x0a, 0x0b, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x5f, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x0d, 0x52, 0x0a, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x43, 0x6f, 0x64, 0x65, 0x12,
+	0x25, 0x0a, 0x0e, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x5f, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67,
+	0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x4d,
+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x25, 0x0a, 0x0e, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73,
+	0x5f, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x0d,
+	0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x44, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x22, 0x35, 0x0a,
+	0x07, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x6c, 0x65, 0x6e, 0x67,
+	0x74, 0x68, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68,
+	0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04,
+	0x64, 0x61, 0x74, 0x61, 0x22, 0x42, 0x0a, 0x08, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
+	0x12, 0x36, 0x0a, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32,
+	0x20, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67,
+	0x2e, 0x76, 0x31, 0x2e, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x45, 0x6e, 0x74, 0x72,
+	0x79, 0x52, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x22, 0x37, 0x0a, 0x0d, 0x4d, 0x65, 0x74, 0x61,
+	0x64, 0x61, 0x74, 0x61, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76,
+	0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75,
+	0x65, 0x22, 0xb8, 0x01, 0x0a, 0x07, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x12, 0x33, 0x0a,
+	0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x1f, 0x2e, 0x67, 0x72,
+	0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e,
+	0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x2e, 0x54, 0x79, 0x70, 0x65, 0x52, 0x04, 0x74, 0x79,
+	0x70, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x12, 0x17, 0x0a, 0x07,
+	0x69, 0x70, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x06, 0x69,
+	0x70, 0x50, 0x6f, 0x72, 0x74, 0x22, 0x45, 0x0a, 0x04, 0x54, 0x79, 0x70, 0x65, 0x12, 0x10, 0x0a,
+	0x0c, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12,
+	0x0d, 0x0a, 0x09, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x49, 0x50, 0x56, 0x34, 0x10, 0x01, 0x12, 0x0d,
+	0x0a, 0x09, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x49, 0x50, 0x56, 0x36, 0x10, 0x02, 0x12, 0x0d, 0x0a,
+	0x09, 0x54, 0x59, 0x50, 0x45, 0x5f, 0x55, 0x4e, 0x49, 0x58, 0x10, 0x03, 0x42, 0x5c, 0x0a, 0x14,
+	0x69, 0x6f, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f,
+	0x67, 0x2e, 0x76, 0x31, 0x42, 0x0e, 0x42, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x4c, 0x6f, 0x67, 0x50,
+	0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x32, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67,
+	0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x62,
+	0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x5f, 0x62, 0x69,
+	0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x5f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }
 
-func init() {
-	proto.RegisterFile("grpc/binarylog/grpc_binarylog_v1/binarylog.proto", fileDescriptor_binarylog_264c8c9c551ce911)
+var (
+	file_grpc_binlog_v1_binarylog_proto_rawDescOnce sync.Once
+	file_grpc_binlog_v1_binarylog_proto_rawDescData = file_grpc_binlog_v1_binarylog_proto_rawDesc
+)
+
+func file_grpc_binlog_v1_binarylog_proto_rawDescGZIP() []byte {
+	file_grpc_binlog_v1_binarylog_proto_rawDescOnce.Do(func() {
+		file_grpc_binlog_v1_binarylog_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_binlog_v1_binarylog_proto_rawDescData)
+	})
+	return file_grpc_binlog_v1_binarylog_proto_rawDescData
 }
 
-var fileDescriptor_binarylog_264c8c9c551ce911 = []byte{
-	// 900 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x55, 0x51, 0x6f, 0xe3, 0x44,
-	0x10, 0x3e, 0x37, 0x69, 0xdc, 0x4c, 0x92, 0xca, 0x5d, 0x95, 0x3b, 0x5f, 0x29, 0x34, 0xb2, 0x04,
-	0x0a, 0x42, 0x72, 0xb9, 0x94, 0xeb, 0xf1, 0x02, 0x52, 0x92, 0xfa, 0xd2, 0x88, 0x5c, 0x1a, 0x6d,
-	0x72, 0x3d, 0x40, 0x48, 0xd6, 0x36, 0x5e, 0x1c, 0x0b, 0xc7, 0x6b, 0xd6, 0x9b, 0xa0, 0xfc, 0x2c,
-	0xde, 0x90, 0xee, 0x77, 0xf1, 0x8e, 0xbc, 0x6b, 0x27, 0xa6, 0x69, 0x0f, 0x09, 0xde, 0x3c, 0xdf,
-	0x7c, 0xf3, 0xcd, 0xee, 0x78, 0x66, 0x16, 0xbe, 0xf2, 0x79, 0x3c, 0x3b, 0xbf, 0x0b, 0x22, 0xc2,
-	0xd7, 0x21, 0xf3, 0xcf, 0x53, 0xd3, 0xdd, 0x98, 0xee, 0xea, 0xc5, 0xd6, 0x67, 0xc7, 0x9c, 0x09,
-	0x86, 0x8e, 0x52, 0x8a, 0xbd, 0x45, 0x57, 0x2f, 0x4e, 0x3e, 0xf5, 0x19, 0xf3, 0x43, 0x7a, 0x2e,
-	0x09, 0x77, 0xcb, 0x5f, 0xce, 0xbd, 0x25, 0x27, 0x22, 0x60, 0x91, 0x0a, 0x39, 0x39, 0xbb, 0xef,
-	0x17, 0xc1, 0x82, 0x26, 0x82, 0x2c, 0x62, 0x45, 0xb0, 0xde, 0xeb, 0x50, 0xef, 0xf3, 0x78, 0x36,
-	0x64, 0xbe, 0x13, 0x09, 0xbe, 0x46, 0xdf, 0x40, 0x75, 0xc3, 0x31, 0xb5, 0xa6, 0xd6, 0xaa, 0xb5,
-	0x4f, 0x6c, 0xa5, 0x62, 0xe7, 0x2a, 0xf6, 0x34, 0x67, 0xe0, 0x2d, 0x19, 0x3d, 0x03, 0x7d, 0x46,
-	0xc2, 0xd0, 0x0d, 0x3c, 0x73, 0xaf, 0xa9, 0xb5, 0xca, 0xb8, 0x92, 0x9a, 0x03, 0x0f, 0xbd, 0x84,
-	0x67, 0x09, 0xfd, 0x6d, 0x49, 0xa3, 0x19, 0x75, 0x03, 0xcf, 0xfd, 0x3d, 0x10, 0xf3, 0x20, 0x72,
-	0x53, 0xa7, 0x59, 0x92, 0xc4, 0xe3, 0xdc, 0x3d, 0xf0, 0xde, 0x49, 0x67, 0x8f, 0x84, 0x21, 0xfa,
-	0x16, 0xca, 0x62, 0x1d, 0x53, 0xb3, 0xdc, 0xd4, 0x5a, 0x87, 0xed, 0x2f, 0xec, 0x9d, 0xdb, 0xdb,
-	0xc5, 0x83, 0xdb, 0xce, 0x8a, 0x46, 0x62, 0xba, 0x8e, 0x29, 0x96, 0x61, 0xe8, 0x3b, 0xa8, 0x84,
-	0xcc, 0xf7, 0x29, 0x37, 0xf7, 0xa5, 0xc0, 0xe7, 0xff, 0x26, 0x30, 0x94, 0x6c, 0x9c, 0x45, 0xa1,
-	0xd7, 0xd0, 0x98, 0x85, 0x01, 0x8d, 0x84, 0x3b, 0xa7, 0xc4, 0xa3, 0xdc, 0xac, 0xc8, 0x62, 0x9c,
-	0x3d, 0x20, 0xd3, 0x93, 0xbc, 0x6b, 0x49, 0xbb, 0x7e, 0x82, 0xeb, 0xb3, 0x82, 0x9d, 0xea, 0x24,
-	0x94, 0xaf, 0x28, 0xcf, 0x75, 0xf4, 0x47, 0x75, 0x26, 0x92, 0xb7, 0xd5, 0x49, 0x0a, 0x36, 0xba,
-	0x04, 0x7d, 0x41, 0x93, 0x84, 0xf8, 0xd4, 0x3c, 0xc8, 0x7f, 0xcb, 0x8e, 0xc2, 0x1b, 0xc5, 0xb8,
-	0x7e, 0x82, 0x73, 0x72, 0x1a, 0x27, 0x38, 0x09, 0x42, 0xca, 0xcd, 0xea, 0xa3, 0x71, 0x53, 0xc5,
-	0x48, 0xe3, 0x32, 0x32, 0xfa, 0x12, 0x8e, 0x62, 0xb2, 0x0e, 0x19, 0xf1, 0x5c, 0xc1, 0x97, 0xd1,
-	0x8c, 0x08, 0xea, 0x99, 0xd0, 0xd4, 0x5a, 0x07, 0xd8, 0xc8, 0x1c, 0xd3, 0x1c, 0x47, 0x36, 0x94,
-	0x63, 0x4a, 0xb9, 0x59, 0x7b, 0x34, 0x43, 0xc7, 0xf3, 0x38, 0x4d, 0x12, 0x2c, 0x79, 0xd6, 0x5f,
-	0x1a, 0x54, 0x37, 0x3f, 0x0c, 0x3d, 0x05, 0xe4, 0xdc, 0x3a, 0xa3, 0xa9, 0x3b, 0xfd, 0x71, 0xec,
-	0xb8, 0x6f, 0x47, 0xdf, 0x8f, 0x6e, 0xde, 0x8d, 0x8c, 0x27, 0xe8, 0x14, 0xcc, 0x02, 0xde, 0x1b,
-	0x0e, 0xd2, 0xef, 0x6b, 0xa7, 0x73, 0xe5, 0x60, 0x43, 0xbb, 0xe7, 0x9d, 0x38, 0xf8, 0xd6, 0xc1,
-	0xb9, 0x77, 0x0f, 0x7d, 0x02, 0xcf, 0x77, 0x63, 0xdf, 0x38, 0x93, 0x49, 0xa7, 0xef, 0x18, 0xa5,
-	0x7b, 0xee, 0x2c, 0x38, 0x77, 0x97, 0x51, 0x13, 0x4e, 0x1f, 0xc8, 0xdc, 0x19, 0xbe, 0x76, 0x7b,
-	0xc3, 0x9b, 0x89, 0x63, 0xec, 0x3f, 0x2c, 0x30, 0xc5, 0x9d, 0xc1, 0xd0, 0xc1, 0x46, 0x05, 0x7d,
-	0x04, 0x47, 0x45, 0x81, 0xce, 0xa8, 0xe7, 0x0c, 0x0d, 0xdd, 0xea, 0x42, 0x45, 0xb5, 0x19, 0x42,
-	0x70, 0x38, 0xbc, 0xe9, 0xf7, 0x1d, 0x5c, 0xb8, 0xef, 0x11, 0x34, 0x32, 0x4c, 0x65, 0x34, 0xb4,
-	0x02, 0xa4, 0x52, 0x18, 0x7b, 0xdd, 0x2a, 0xe8, 0x59, 0xfd, 0xad, 0xf7, 0x1a, 0xd4, 0x8b, 0xcd,
-	0x87, 0x5e, 0xc1, 0xc1, 0x82, 0x0a, 0xe2, 0x11, 0x41, 0xb2, 0xe1, 0xfd, 0xf8, 0xc1, 0x2e, 0x51,
-	0x14, 0xbc, 0x21, 0xa3, 0x33, 0xa8, 0x2d, 0xa8, 0x98, 0x33, 0xcf, 0x8d, 0xc8, 0x82, 0xca, 0x01,
-	0xae, 0x62, 0x50, 0xd0, 0x88, 0x2c, 0x28, 0x3a, 0x85, 0x2a, 0x59, 0x8a, 0x39, 0xe3, 0x81, 0x58,
-	0xcb, 0xb1, 0xad, 0xe2, 0x2d, 0x80, 0x2e, 0x40, 0x4f, 0x17, 0x01, 0x5b, 0x0a, 0x39, 0xae, 0xb5,
-	0xf6, 0xf3, 0x9d, 0x9d, 0x71, 0x95, 0x6d, 0x26, 0x9c, 0x33, 0xad, 0x3e, 0xd4, 0x8b, 0x1d, 0xff,
-	0x9f, 0x0f, 0x6f, 0xfd, 0xa1, 0x81, 0x9e, 0x75, 0xf0, 0xff, 0xaa, 0x40, 0x22, 0x88, 0x58, 0x26,
-	0xee, 0x8c, 0x79, 0xaa, 0x02, 0x0d, 0x0c, 0x0a, 0xea, 0x31, 0x8f, 0xa2, 0xcf, 0xe0, 0x30, 0x23,
-	0xe4, 0x73, 0xa8, 0xca, 0xd0, 0x50, 0x68, 0x36, 0x7a, 0x05, 0x9a, 0x47, 0x05, 0x09, 0xc2, 0x44,
-	0x56, 0xa4, 0x9e, 0xd3, 0xae, 0x14, 0x68, 0xbd, 0x04, 0x3d, 0x8f, 0x78, 0x0a, 0x95, 0x90, 0x46,
-	0xbe, 0x98, 0xcb, 0x03, 0x37, 0x70, 0x66, 0x21, 0x04, 0x65, 0x79, 0x8d, 0x3d, 0x19, 0x2f, 0xbf,
-	0xad, 0x2e, 0x1c, 0xe4, 0x67, 0x47, 0x97, 0xb0, 0x4f, 0xd3, 0xcd, 0x65, 0x6a, 0xcd, 0x52, 0xab,
-	0xd6, 0x6e, 0x7e, 0xe0, 0x9e, 0x72, 0xc3, 0x61, 0x45, 0xb7, 0x5e, 0x41, 0xe3, 0x1f, 0x38, 0x32,
-	0xa0, 0xf4, 0x2b, 0x5d, 0xcb, 0xec, 0x55, 0x9c, 0x7e, 0xa2, 0x63, 0xd8, 0x5f, 0x91, 0x70, 0x49,
-	0xb3, 0xdc, 0xca, 0xb0, 0xfe, 0xd4, 0x40, 0xcf, 0xe6, 0x18, 0x5d, 0x64, 0xdb, 0x59, 0x93, 0xcb,
-	0xf5, 0xec, 0xf1, 0x89, 0xb7, 0x0b, 0x3b, 0xd9, 0x04, 0x9d, 0x28, 0x34, 0xeb, 0xb0, 0xdc, 0x4c,
-	0x1f, 0x8f, 0x20, 0x76, 0x63, 0xc6, 0x85, 0xac, 0x6a, 0x03, 0x57, 0x82, 0x78, 0xcc, 0xb8, 0xb0,
-	0x1c, 0x28, 0xcb, 0x1d, 0x61, 0x40, 0xfd, 0xde, 0x76, 0x68, 0x40, 0x55, 0x22, 0x83, 0xf1, 0xed,
-	0xd7, 0x86, 0x56, 0x34, 0x2f, 0x8d, 0xbd, 0x8d, 0xf9, 0x76, 0x34, 0xf8, 0xc1, 0x28, 0x75, 0x7f,
-	0x86, 0xe3, 0x80, 0xed, 0x1e, 0xb2, 0x7b, 0xd8, 0x95, 0xd6, 0x90, 0xf9, 0xe3, 0xb4, 0x51, 0xc7,
-	0xda, 0x4f, 0xed, 0xac, 0x71, 0x7d, 0x16, 0x92, 0xc8, 0xb7, 0x19, 0x57, 0x4f, 0xf3, 0x87, 0x5e,
-	0xea, 0xbb, 0x8a, 0xec, 0xf2, 0x8b, 0xbf, 0x03, 0x00, 0x00, 0xff, 0xff, 0xe7, 0xf6, 0x4b, 0x50,
-	0xd4, 0x07, 0x00, 0x00,
+var file_grpc_binlog_v1_binarylog_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_grpc_binlog_v1_binarylog_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_grpc_binlog_v1_binarylog_proto_goTypes = []interface{}{
+	(GrpcLogEntry_EventType)(0),   // 0: grpc.binarylog.v1.GrpcLogEntry.EventType
+	(GrpcLogEntry_Logger)(0),      // 1: grpc.binarylog.v1.GrpcLogEntry.Logger
+	(Address_Type)(0),             // 2: grpc.binarylog.v1.Address.Type
+	(*GrpcLogEntry)(nil),          // 3: grpc.binarylog.v1.GrpcLogEntry
+	(*ClientHeader)(nil),          // 4: grpc.binarylog.v1.ClientHeader
+	(*ServerHeader)(nil),          // 5: grpc.binarylog.v1.ServerHeader
+	(*Trailer)(nil),               // 6: grpc.binarylog.v1.Trailer
+	(*Message)(nil),               // 7: grpc.binarylog.v1.Message
+	(*Metadata)(nil),              // 8: grpc.binarylog.v1.Metadata
+	(*MetadataEntry)(nil),         // 9: grpc.binarylog.v1.MetadataEntry
+	(*Address)(nil),               // 10: grpc.binarylog.v1.Address
+	(*timestamppb.Timestamp)(nil), // 11: google.protobuf.Timestamp
+	(*durationpb.Duration)(nil),   // 12: google.protobuf.Duration
+}
+var file_grpc_binlog_v1_binarylog_proto_depIdxs = []int32{
+	11, // 0: grpc.binarylog.v1.GrpcLogEntry.timestamp:type_name -> google.protobuf.Timestamp
+	0,  // 1: grpc.binarylog.v1.GrpcLogEntry.type:type_name -> grpc.binarylog.v1.GrpcLogEntry.EventType
+	1,  // 2: grpc.binarylog.v1.GrpcLogEntry.logger:type_name -> grpc.binarylog.v1.GrpcLogEntry.Logger
+	4,  // 3: grpc.binarylog.v1.GrpcLogEntry.client_header:type_name -> grpc.binarylog.v1.ClientHeader
+	5,  // 4: grpc.binarylog.v1.GrpcLogEntry.server_header:type_name -> grpc.binarylog.v1.ServerHeader
+	7,  // 5: grpc.binarylog.v1.GrpcLogEntry.message:type_name -> grpc.binarylog.v1.Message
+	6,  // 6: grpc.binarylog.v1.GrpcLogEntry.trailer:type_name -> grpc.binarylog.v1.Trailer
+	10, // 7: grpc.binarylog.v1.GrpcLogEntry.peer:type_name -> grpc.binarylog.v1.Address
+	8,  // 8: grpc.binarylog.v1.ClientHeader.metadata:type_name -> grpc.binarylog.v1.Metadata
+	12, // 9: grpc.binarylog.v1.ClientHeader.timeout:type_name -> google.protobuf.Duration
+	8,  // 10: grpc.binarylog.v1.ServerHeader.metadata:type_name -> grpc.binarylog.v1.Metadata
+	8,  // 11: grpc.binarylog.v1.Trailer.metadata:type_name -> grpc.binarylog.v1.Metadata
+	9,  // 12: grpc.binarylog.v1.Metadata.entry:type_name -> grpc.binarylog.v1.MetadataEntry
+	2,  // 13: grpc.binarylog.v1.Address.type:type_name -> grpc.binarylog.v1.Address.Type
+	14, // [14:14] is the sub-list for method output_type
+	14, // [14:14] is the sub-list for method input_type
+	14, // [14:14] is the sub-list for extension type_name
+	14, // [14:14] is the sub-list for extension extendee
+	0,  // [0:14] is the sub-list for field type_name
+}
+
+func init() { file_grpc_binlog_v1_binarylog_proto_init() }
+func file_grpc_binlog_v1_binarylog_proto_init() {
+	if File_grpc_binlog_v1_binarylog_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcLogEntry); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ClientHeader); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ServerHeader); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Trailer); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Message); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Metadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MetadataEntry); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_grpc_binlog_v1_binarylog_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Address); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_grpc_binlog_v1_binarylog_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*GrpcLogEntry_ClientHeader)(nil),
+		(*GrpcLogEntry_ServerHeader)(nil),
+		(*GrpcLogEntry_Message)(nil),
+		(*GrpcLogEntry_Trailer)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_grpc_binlog_v1_binarylog_proto_rawDesc,
+			NumEnums:      3,
+			NumMessages:   8,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_grpc_binlog_v1_binarylog_proto_goTypes,
+		DependencyIndexes: file_grpc_binlog_v1_binarylog_proto_depIdxs,
+		EnumInfos:         file_grpc_binlog_v1_binarylog_proto_enumTypes,
+		MessageInfos:      file_grpc_binlog_v1_binarylog_proto_msgTypes,
+	}.Build()
+	File_grpc_binlog_v1_binarylog_proto = out.File
+	file_grpc_binlog_v1_binarylog_proto_rawDesc = nil
+	file_grpc_binlog_v1_binarylog_proto_goTypes = nil
+	file_grpc_binlog_v1_binarylog_proto_depIdxs = nil
 }
diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go
index f58740b25..24109264f 100644
--- a/vendor/google.golang.org/grpc/clientconn.go
+++ b/vendor/google.golang.org/grpc/clientconn.go
@@ -23,7 +23,6 @@ import (
 	"errors"
 	"fmt"
 	"math"
-	"net"
 	"reflect"
 	"strings"
 	"sync"
@@ -35,10 +34,11 @@ import (
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/backoff"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
+	"google.golang.org/grpc/internal/grpcutil"
+	iresolver "google.golang.org/grpc/internal/resolver"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/resolver"
@@ -48,6 +48,7 @@ import (
 	_ "google.golang.org/grpc/balancer/roundrobin"           // To register roundrobin.
 	_ "google.golang.org/grpc/internal/resolver/dns"         // To register dns resolver.
 	_ "google.golang.org/grpc/internal/resolver/passthrough" // To register passthrough resolver.
+	_ "google.golang.org/grpc/internal/resolver/unix"        // To register unix resolver.
 )
 
 const (
@@ -68,8 +69,6 @@ var (
 	errConnDrain = errors.New("grpc: the connection is drained")
 	// errConnClosing indicates that the connection is closing.
 	errConnClosing = errors.New("grpc: the connection is closing")
-	// errBalancerClosed indicates that the balancer is closed.
-	errBalancerClosed = errors.New("grpc: balancer is closed")
 	// invalidDefaultServiceConfigErrPrefix is used to prefix the json parsing error for the default
 	// service config.
 	invalidDefaultServiceConfigErrPrefix = "grpc: the provided default service config is invalid"
@@ -106,6 +105,17 @@ func Dial(target string, opts ...DialOption) (*ClientConn, error) {
 	return DialContext(context.Background(), target, opts...)
 }
 
+type defaultConfigSelector struct {
+	sc *ServiceConfig
+}
+
+func (dcs *defaultConfigSelector) SelectConfig(rpcInfo iresolver.RPCInfo) (*iresolver.RPCConfig, error) {
+	return &iresolver.RPCConfig{
+		Context:      rpcInfo.Context,
+		MethodConfig: getMethodConfig(dcs.sc, rpcInfo.Method),
+	}, nil
+}
+
 // DialContext creates a client connection to the given target. By default, it's
 // a non-blocking dial (the function won't wait for connections to be
 // established, and connecting happens in the background). To make it a blocking
@@ -133,6 +143,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 		firstResolveEvent: grpcsync.NewEvent(),
 	}
 	cc.retryThrottler.Store((*retryThrottler)(nil))
+	cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{nil})
 	cc.ctx, cc.cancel = context.WithCancel(context.Background())
 
 	for _, opt := range opts {
@@ -151,20 +162,17 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 	if channelz.IsOn() {
 		if cc.dopts.channelzParentID != 0 {
 			cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, cc.dopts.channelzParentID, target)
-			channelz.AddTraceEvent(cc.channelzID, &channelz.TraceEventDesc{
+			channelz.AddTraceEvent(logger, cc.channelzID, 0, &channelz.TraceEventDesc{
 				Desc:     "Channel Created",
-				Severity: channelz.CtINFO,
+				Severity: channelz.CtInfo,
 				Parent: &channelz.TraceEventDesc{
 					Desc:     fmt.Sprintf("Nested Channel(id:%d) created", cc.channelzID),
-					Severity: channelz.CtINFO,
+					Severity: channelz.CtInfo,
 				},
 			})
 		} else {
 			cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, 0, target)
-			channelz.AddTraceEvent(cc.channelzID, &channelz.TraceEventDesc{
-				Desc:     "Channel Created",
-				Severity: channelz.CtINFO,
-			})
+			channelz.Info(logger, cc.channelzID, "Channel Created")
 		}
 		cc.csMgr.channelzID = cc.channelzID
 	}
@@ -196,15 +204,6 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 	}
 	cc.mkp = cc.dopts.copts.KeepaliveParams
 
-	if cc.dopts.copts.Dialer == nil {
-		cc.dopts.copts.Dialer = newProxyDialer(
-			func(ctx context.Context, addr string) (net.Conn, error) {
-				network, addr := parseDialTarget(addr)
-				return (&net.Dialer{}).DialContext(ctx, network, addr)
-			},
-		)
-	}
-
 	if cc.dopts.copts.UserAgent != "" {
 		cc.dopts.copts.UserAgent += " " + grpcUA
 	} else {
@@ -219,7 +218,14 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 	defer func() {
 		select {
 		case <-ctx.Done():
-			conn, err = nil, ctx.Err()
+			switch {
+			case ctx.Err() == err:
+				conn = nil
+			case err == nil || !cc.dopts.returnLastError:
+				conn, err = nil, ctx.Err()
+			default:
+				conn, err = nil, fmt.Errorf("%v: %v", ctx.Err(), err)
+			}
 		default:
 		}
 	}()
@@ -231,6 +237,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 		case sc, ok := <-cc.dopts.scChan:
 			if ok {
 				cc.sc = &sc
+				cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{&sc})
 				scSet = true
 			}
 		default:
@@ -241,14 +248,14 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 	}
 
 	// Determine the resolver to use.
-	cc.parsedTarget = parseTarget(cc.target)
-	grpclog.Infof("parsed scheme: %q", cc.parsedTarget.Scheme)
+	cc.parsedTarget = grpcutil.ParseTarget(cc.target, cc.dopts.copts.Dialer != nil)
+	channelz.Infof(logger, cc.channelzID, "parsed scheme: %q", cc.parsedTarget.Scheme)
 	resolverBuilder := cc.getResolver(cc.parsedTarget.Scheme)
 	if resolverBuilder == nil {
 		// If resolver builder is still nil, the parsed target's scheme is
 		// not registered. Fallback to default resolver and set Endpoint to
 		// the original target.
-		grpclog.Infof("scheme %q not registered, fallback to default scheme", cc.parsedTarget.Scheme)
+		channelz.Infof(logger, cc.channelzID, "scheme %q not registered, fallback to default scheme", cc.parsedTarget.Scheme)
 		cc.parsedTarget = resolver.Target{
 			Scheme:   resolver.GetDefaultScheme(),
 			Endpoint: target,
@@ -264,6 +271,10 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 		cc.authority = creds.Info().ServerName
 	} else if cc.dopts.insecure && cc.dopts.authority != "" {
 		cc.authority = cc.dopts.authority
+	} else if strings.HasPrefix(cc.target, "unix:") || strings.HasPrefix(cc.target, "unix-abstract:") {
+		cc.authority = "localhost"
+	} else if strings.HasPrefix(cc.parsedTarget.Endpoint, ":") {
+		cc.authority = "localhost" + cc.parsedTarget.Endpoint
 	} else {
 		// Use endpoint from "scheme://authority/endpoint" as the default
 		// authority for ClientConn.
@@ -276,6 +287,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 		case sc, ok := <-cc.dopts.scChan:
 			if ok {
 				cc.sc = &sc
+				cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{&sc})
 			}
 		case <-ctx.Done():
 			return nil, ctx.Err()
@@ -293,6 +305,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 		DialCreds:        credsClone,
 		CredsBundle:      cc.dopts.copts.CredsBundle,
 		Dialer:           cc.dopts.copts.Dialer,
+		CustomUserAgent:  cc.dopts.copts.UserAgent,
 		ChannelzParentID: cc.channelzID,
 		Target:           cc.parsedTarget,
 	}
@@ -313,7 +326,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 			if s == connectivity.Ready {
 				break
 			} else if cc.dopts.copts.FailOnNonTempDialError && s == connectivity.TransientFailure {
-				if err = cc.blockingpicker.connectionError(); err != nil {
+				if err = cc.connectionError(); err != nil {
 					terr, ok := err.(interface {
 						Temporary() bool
 					})
@@ -324,6 +337,9 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 			}
 			if !cc.WaitForStateChange(ctx, s) {
 				// ctx got timeout or canceled.
+				if err = cc.connectionError(); err != nil && cc.dopts.returnLastError {
+					return nil, err
+				}
 				return nil, ctx.Err()
 			}
 		}
@@ -416,12 +432,7 @@ func (csm *connectivityStateManager) updateState(state connectivity.State) {
 		return
 	}
 	csm.state = state
-	if channelz.IsOn() {
-		channelz.AddTraceEvent(csm.channelzID, &channelz.TraceEventDesc{
-			Desc:     fmt.Sprintf("Channel Connectivity change to %v", state),
-			Severity: channelz.CtINFO,
-		})
-	}
+	channelz.Infof(logger, csm.channelzID, "Channel Connectivity change to %v", state)
 	if csm.notifyChan != nil {
 		// There are other goroutines waiting on this channel.
 		close(csm.notifyChan)
@@ -483,6 +494,8 @@ type ClientConn struct {
 	balancerBuildOpts balancer.BuildOptions
 	blockingpicker    *pickerWrapper
 
+	safeConfigSelector iresolver.SafeConfigSelector
+
 	mu              sync.RWMutex
 	resolverWrapper *ccResolverWrapper
 	sc              *ServiceConfig
@@ -497,11 +510,18 @@ type ClientConn struct {
 
 	channelzID int64 // channelz unique identification number
 	czData     *channelzData
+
+	lceMu               sync.Mutex // protects lastConnectionError
+	lastConnectionError error
 }
 
 // WaitForStateChange waits until the connectivity.State of ClientConn changes from sourceState or
 // ctx expires. A true value is returned in former case and false in latter.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func (cc *ClientConn) WaitForStateChange(ctx context.Context, sourceState connectivity.State) bool {
 	ch := cc.csMgr.getNotifyChan()
 	if cc.csMgr.getState() != sourceState {
@@ -516,7 +536,11 @@ func (cc *ClientConn) WaitForStateChange(ctx context.Context, sourceState connec
 }
 
 // GetState returns the connectivity.State of ClientConn.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func (cc *ClientConn) GetState() connectivity.State {
 	return cc.csMgr.getState()
 }
@@ -532,6 +556,7 @@ func (cc *ClientConn) scWatcher() {
 			// TODO: load balance policy runtime change is ignored.
 			// We may revisit this decision in the future.
 			cc.sc = &sc
+			cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{&sc})
 			cc.mu.Unlock()
 		case <-cc.ctx.Done():
 			return
@@ -570,13 +595,13 @@ func init() {
 
 func (cc *ClientConn) maybeApplyDefaultServiceConfig(addrs []resolver.Address) {
 	if cc.sc != nil {
-		cc.applyServiceConfigAndBalancer(cc.sc, addrs)
+		cc.applyServiceConfigAndBalancer(cc.sc, nil, addrs)
 		return
 	}
 	if cc.dopts.defaultServiceConfig != nil {
-		cc.applyServiceConfigAndBalancer(cc.dopts.defaultServiceConfig, addrs)
+		cc.applyServiceConfigAndBalancer(cc.dopts.defaultServiceConfig, &defaultConfigSelector{cc.dopts.defaultServiceConfig}, addrs)
 	} else {
-		cc.applyServiceConfigAndBalancer(emptyServiceConfig, addrs)
+		cc.applyServiceConfigAndBalancer(emptyServiceConfig, &defaultConfigSelector{emptyServiceConfig}, addrs)
 	}
 }
 
@@ -613,7 +638,15 @@ func (cc *ClientConn) updateResolverState(s resolver.State, err error) error {
 		// default, per the error handling design?
 	} else {
 		if sc, ok := s.ServiceConfig.Config.(*ServiceConfig); s.ServiceConfig.Err == nil && ok {
-			cc.applyServiceConfigAndBalancer(sc, s.Addresses)
+			configSelector := iresolver.GetConfigSelector(s)
+			if configSelector != nil {
+				if len(s.ServiceConfig.Config.(*ServiceConfig).Methods) != 0 {
+					channelz.Infof(logger, cc.channelzID, "method configs in service config will be ignored due to presence of config selector")
+				}
+			} else {
+				configSelector = &defaultConfigSelector{sc}
+			}
+			cc.applyServiceConfigAndBalancer(sc, configSelector, s.Addresses)
 		} else {
 			ret = balancer.ErrBadResolverState
 			if cc.balancerWrapper == nil {
@@ -623,6 +656,7 @@ func (cc *ClientConn) updateResolverState(s resolver.State, err error) error {
 				} else {
 					err = status.Errorf(codes.Unavailable, "illegal service config type: %T", s.ServiceConfig.Config)
 				}
+				cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{cc.sc})
 				cc.blockingpicker.updatePicker(base.NewErrPicker(err))
 				cc.csMgr.updateState(connectivity.TransientFailure)
 				cc.mu.Unlock()
@@ -671,9 +705,9 @@ func (cc *ClientConn) switchBalancer(name string) {
 		return
 	}
 
-	grpclog.Infof("ClientConn switching balancer to %q", name)
+	channelz.Infof(logger, cc.channelzID, "ClientConn switching balancer to %q", name)
 	if cc.dopts.balancerBuilder != nil {
-		grpclog.Infoln("ignoring balancer switching: Balancer DialOption used instead")
+		channelz.Info(logger, cc.channelzID, "ignoring balancer switching: Balancer DialOption used instead")
 		return
 	}
 	if cc.balancerWrapper != nil {
@@ -681,22 +715,12 @@ func (cc *ClientConn) switchBalancer(name string) {
 	}
 
 	builder := balancer.Get(name)
-	if channelz.IsOn() {
-		if builder == nil {
-			channelz.AddTraceEvent(cc.channelzID, &channelz.TraceEventDesc{
-				Desc:     fmt.Sprintf("Channel switches to new LB policy %q due to fallback from invalid balancer name", PickFirstBalancerName),
-				Severity: channelz.CtWarning,
-			})
-		} else {
-			channelz.AddTraceEvent(cc.channelzID, &channelz.TraceEventDesc{
-				Desc:     fmt.Sprintf("Channel switches to new LB policy %q", name),
-				Severity: channelz.CtINFO,
-			})
-		}
-	}
 	if builder == nil {
-		grpclog.Infof("failed to get balancer builder for: %v, using pick_first instead", name)
+		channelz.Warningf(logger, cc.channelzID, "Channel switches to new LB policy %q due to fallback from invalid balancer name", PickFirstBalancerName)
+		channelz.Infof(logger, cc.channelzID, "failed to get balancer builder for: %v, using pick_first instead", name)
 		builder = newPickfirstBuilder()
+	} else {
+		channelz.Infof(logger, cc.channelzID, "Channel switches to new LB policy %q", name)
 	}
 
 	cc.curBalancerName = builder.Name()
@@ -720,6 +744,7 @@ func (cc *ClientConn) handleSubConnStateChange(sc balancer.SubConn, s connectivi
 // Caller needs to make sure len(addrs) > 0.
 func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (*addrConn, error) {
 	ac := &addrConn{
+		state:        connectivity.Idle,
 		cc:           cc,
 		addrs:        addrs,
 		scopts:       opts,
@@ -736,12 +761,12 @@ func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSub
 	}
 	if channelz.IsOn() {
 		ac.channelzID = channelz.RegisterSubChannel(ac, cc.channelzID, "")
-		channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
+		channelz.AddTraceEvent(logger, ac.channelzID, 0, &channelz.TraceEventDesc{
 			Desc:     "Subchannel Created",
-			Severity: channelz.CtINFO,
+			Severity: channelz.CtInfo,
 			Parent: &channelz.TraceEventDesc{
 				Desc:     fmt.Sprintf("Subchannel(id:%d) created", ac.channelzID),
-				Severity: channelz.CtINFO,
+				Severity: channelz.CtInfo,
 			},
 		})
 	}
@@ -775,7 +800,11 @@ func (cc *ClientConn) channelzMetric() *channelz.ChannelInternalMetric {
 }
 
 // Target returns the target string of the ClientConn.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func (cc *ClientConn) Target() string {
 	return cc.target
 }
@@ -834,7 +863,7 @@ func (ac *addrConn) connect() error {
 func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool {
 	ac.mu.Lock()
 	defer ac.mu.Unlock()
-	grpclog.Infof("addrConn: tryUpdateAddrs curAddr: %v, addrs: %v", ac.curAddr, addrs)
+	channelz.Infof(logger, ac.channelzID, "addrConn: tryUpdateAddrs curAddr: %v, addrs: %v", ac.curAddr, addrs)
 	if ac.state == connectivity.Shutdown ||
 		ac.state == connectivity.TransientFailure ||
 		ac.state == connectivity.Idle {
@@ -854,7 +883,7 @@ func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool {
 			break
 		}
 	}
-	grpclog.Infof("addrConn: tryUpdateAddrs curAddrFound: %v", curAddrFound)
+	channelz.Infof(logger, ac.channelzID, "addrConn: tryUpdateAddrs curAddrFound: %v", curAddrFound)
 	if curAddrFound {
 		ac.addrs = addrs
 	}
@@ -862,26 +891,33 @@ func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool {
 	return curAddrFound
 }
 
+func getMethodConfig(sc *ServiceConfig, method string) MethodConfig {
+	if sc == nil {
+		return MethodConfig{}
+	}
+	if m, ok := sc.Methods[method]; ok {
+		return m
+	}
+	i := strings.LastIndex(method, "/")
+	if m, ok := sc.Methods[method[:i+1]]; ok {
+		return m
+	}
+	return sc.Methods[""]
+}
+
 // GetMethodConfig gets the method config of the input method.
 // If there's an exact match for input method (i.e. /service/method), we return
 // the corresponding MethodConfig.
-// If there isn't an exact match for the input method, we look for the default config
-// under the service (i.e /service/). If there is a default MethodConfig for
-// the service, we return it.
+// If there isn't an exact match for the input method, we look for the service's default
+// config under the service (i.e /service/) and then for the default for all services (empty string).
+//
+// If there is a default MethodConfig for the service, we return it.
 // Otherwise, we return an empty MethodConfig.
 func (cc *ClientConn) GetMethodConfig(method string) MethodConfig {
 	// TODO: Avoid the locking here.
 	cc.mu.RLock()
 	defer cc.mu.RUnlock()
-	if cc.sc == nil {
-		return MethodConfig{}
-	}
-	m, ok := cc.sc.Methods[method]
-	if !ok {
-		i := strings.LastIndex(method, "/")
-		m = cc.sc.Methods[method[:i+1]]
-	}
-	return m
+	return getMethodConfig(cc.sc, method)
 }
 
 func (cc *ClientConn) healthCheckConfig() *healthCheckConfig {
@@ -904,12 +940,15 @@ func (cc *ClientConn) getTransport(ctx context.Context, failfast bool, method st
 	return t, done, nil
 }
 
-func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, addrs []resolver.Address) {
+func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, configSelector iresolver.ConfigSelector, addrs []resolver.Address) {
 	if sc == nil {
 		// should never reach here.
 		return
 	}
 	cc.sc = sc
+	if configSelector != nil {
+		cc.safeConfigSelector.UpdateConfigSelector(configSelector)
+	}
 
 	if cc.sc.retryThrottling != nil {
 		newThrottler := &retryThrottler{
@@ -973,7 +1012,10 @@ func (cc *ClientConn) resolveNow(o resolver.ResolveNowOptions) {
 // However, if a previously unavailable network becomes available, this may be
 // used to trigger an immediate reconnect.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func (cc *ClientConn) ResetConnectBackoff() {
 	cc.mu.Lock()
 	conns := cc.conns
@@ -1017,15 +1059,15 @@ func (cc *ClientConn) Close() error {
 	if channelz.IsOn() {
 		ted := &channelz.TraceEventDesc{
 			Desc:     "Channel Deleted",
-			Severity: channelz.CtINFO,
+			Severity: channelz.CtInfo,
 		}
 		if cc.dopts.channelzParentID != 0 {
 			ted.Parent = &channelz.TraceEventDesc{
 				Desc:     fmt.Sprintf("Nested channel(id:%d) deleted", cc.channelzID),
-				Severity: channelz.CtINFO,
+				Severity: channelz.CtInfo,
 			}
 		}
-		channelz.AddTraceEvent(cc.channelzID, ted)
+		channelz.AddTraceEvent(logger, cc.channelzID, 0, ted)
 		// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add trace reference to
 		// the entity being deleted, and thus prevent it from being deleted right away.
 		channelz.RemoveEntry(cc.channelzID)
@@ -1068,15 +1110,8 @@ func (ac *addrConn) updateConnectivityState(s connectivity.State, lastErr error)
 	if ac.state == s {
 		return
 	}
-
-	updateMsg := fmt.Sprintf("Subchannel Connectivity change to %v", s)
 	ac.state = s
-	if channelz.IsOn() {
-		channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
-			Desc:     updateMsg,
-			Severity: channelz.CtINFO,
-		})
-	}
+	channelz.Infof(logger, ac.channelzID, "Subchannel Connectivity change to %v", s)
 	ac.cc.handleSubConnStateChange(ac.acbw, s, lastErr)
 }
 
@@ -1163,7 +1198,7 @@ func (ac *addrConn) resetTransport() {
 		ac.mu.Lock()
 		if ac.state == connectivity.Shutdown {
 			ac.mu.Unlock()
-			newTr.Close()
+			newTr.Close(fmt.Errorf("reached connectivity state: SHUTDOWN"))
 			return
 		}
 		ac.curAddr = addr
@@ -1213,12 +1248,7 @@ func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.T
 		}
 		ac.mu.Unlock()
 
-		if channelz.IsOn() {
-			channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
-				Desc:     fmt.Sprintf("Subchannel picks a new address %q to connect", addr.Addr),
-				Severity: channelz.CtINFO,
-			})
-		}
+		channelz.Infof(logger, ac.channelzID, "Subchannel picks a new address %q to connect", addr.Addr)
 
 		newTr, reconnect, err := ac.createTransport(addr, copts, connectDeadline)
 		if err == nil {
@@ -1227,7 +1257,7 @@ func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.T
 		if firstConnErr == nil {
 			firstConnErr = err
 		}
-		ac.cc.blockingpicker.updateConnectionError(err)
+		ac.cc.updateConnectionError(err)
 	}
 
 	// Couldn't connect to any address.
@@ -1242,16 +1272,9 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
 	onCloseCalled := make(chan struct{})
 	reconnect := grpcsync.NewEvent()
 
-	authority := ac.cc.authority
 	// addr.ServerName takes precedent over ClientConn authority, if present.
-	if addr.ServerName != "" {
-		authority = addr.ServerName
-	}
-
-	target := transport.TargetInfo{
-		Addr:      addr.Addr,
-		Metadata:  addr.Metadata,
-		Authority: authority,
+	if addr.ServerName == "" {
+		addr.ServerName = ac.cc.authority
 	}
 
 	once := sync.Once{}
@@ -1297,18 +1320,18 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
 		copts.ChannelzParentID = ac.channelzID
 	}
 
-	newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, target, copts, onPrefaceReceipt, onGoAway, onClose)
+	newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onPrefaceReceipt, onGoAway, onClose)
 	if err != nil {
 		// newTr is either nil, or closed.
-		grpclog.Warningf("grpc: addrConn.createTransport failed to connect to %v. Err :%v. Reconnecting...", addr, err)
+		channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %v. Err: %v. Reconnecting...", addr, err)
 		return nil, nil, err
 	}
 
 	select {
 	case <-time.After(time.Until(connectDeadline)):
 		// We didn't get the preface in time.
-		newTr.Close()
-		grpclog.Warningf("grpc: addrConn.createTransport failed to connect to %v: didn't receive server preface in time. Reconnecting...", addr)
+		newTr.Close(fmt.Errorf("failed to receive server preface within timeout"))
+		channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %v: didn't receive server preface in time. Reconnecting...", addr)
 		return nil, nil, errors.New("timed out waiting for server handshake")
 	case <-prefaceReceived:
 		// We got the preface - huzzah! things are good.
@@ -1325,7 +1348,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
 //
 // LB channel health checking is enabled when all requirements below are met:
 // 1. it is not disabled by the user with the WithDisableHealthCheck DialOption
-// 2. internal.HealthCheckFunc is set by importing the grpc/healthcheck package
+// 2. internal.HealthCheckFunc is set by importing the grpc/health package
 // 3. a service config with non-empty healthCheckConfig field is provided
 // 4. the load balancer requests it
 //
@@ -1355,7 +1378,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) {
 		// The health package is not imported to set health check function.
 		//
 		// TODO: add a link to the health check doc in the error message.
-		grpclog.Error("Health check is requested but health check function is not set.")
+		channelz.Error(logger, ac.channelzID, "Health check is requested but health check function is not set.")
 		return
 	}
 
@@ -1385,15 +1408,9 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) {
 		err := ac.cc.dopts.healthCheckFunc(ctx, newStream, setConnectivityState, healthCheckConfig.ServiceName)
 		if err != nil {
 			if status.Code(err) == codes.Unimplemented {
-				if channelz.IsOn() {
-					channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
-						Desc:     "Subchannel health check is unimplemented at server side, thus health check is disabled",
-						Severity: channelz.CtError,
-					})
-				}
-				grpclog.Error("Subchannel health check is unimplemented at server side, thus health check is disabled")
+				channelz.Error(logger, ac.channelzID, "Subchannel health check is unimplemented at server side, thus health check is disabled")
 			} else {
-				grpclog.Errorf("HealthCheckFunc exits with unexpected error %v", err)
+				channelz.Errorf(logger, ac.channelzID, "HealthCheckFunc exits with unexpected error %v", err)
 			}
 		}
 	}()
@@ -1430,10 +1447,9 @@ func (ac *addrConn) getReadyTransport() (transport.ClientTransport, bool) {
 }
 
 // tearDown starts to tear down the addrConn.
-// TODO(zhaoq): Make this synchronous to avoid unbounded memory consumption in
-// some edge cases (e.g., the caller opens and closes many addrConn's in a
-// tight loop.
-// tearDown doesn't remove ac from ac.cc.conns.
+//
+// Note that tearDown doesn't remove ac from ac.cc.conns, so the addrConn struct
+// will leak. In most cases, call cc.removeAddrConn() instead.
 func (ac *addrConn) tearDown(err error) {
 	ac.mu.Lock()
 	if ac.state == connectivity.Shutdown {
@@ -1458,12 +1474,12 @@ func (ac *addrConn) tearDown(err error) {
 		ac.mu.Lock()
 	}
 	if channelz.IsOn() {
-		channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
+		channelz.AddTraceEvent(logger, ac.channelzID, 0, &channelz.TraceEventDesc{
 			Desc:     "Subchannel Deleted",
-			Severity: channelz.CtINFO,
+			Severity: channelz.CtInfo,
 			Parent: &channelz.TraceEventDesc{
 				Desc:     fmt.Sprintf("Subchanel(id:%d) deleted", ac.channelzID),
-				Severity: channelz.CtINFO,
+				Severity: channelz.CtInfo,
 			},
 		})
 		// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add trace reference to
@@ -1560,9 +1576,21 @@ var ErrClientConnTimeout = errors.New("grpc: timed out when dialing")
 
 func (cc *ClientConn) getResolver(scheme string) resolver.Builder {
 	for _, rb := range cc.dopts.resolvers {
-		if cc.parsedTarget.Scheme == rb.Scheme() {
+		if scheme == rb.Scheme() {
 			return rb
 		}
 	}
-	return resolver.Get(cc.parsedTarget.Scheme)
+	return resolver.Get(scheme)
+}
+
+func (cc *ClientConn) updateConnectionError(err error) {
+	cc.lceMu.Lock()
+	cc.lastConnectionError = err
+	cc.lceMu.Unlock()
+}
+
+func (cc *ClientConn) connectionError() error {
+	cc.lceMu.Lock()
+	defer cc.lceMu.Unlock()
+	return cc.lastConnectionError
 }
diff --git a/vendor/google.golang.org/grpc/codes/codes.go b/vendor/google.golang.org/grpc/codes/codes.go
index 02738839d..11b106182 100644
--- a/vendor/google.golang.org/grpc/codes/codes.go
+++ b/vendor/google.golang.org/grpc/codes/codes.go
@@ -33,6 +33,9 @@ const (
 	OK Code = 0
 
 	// Canceled indicates the operation was canceled (typically by the caller).
+	//
+	// The gRPC framework will generate this error code when cancellation
+	// is requested.
 	Canceled Code = 1
 
 	// Unknown error. An example of where this error may be returned is
@@ -40,12 +43,17 @@ const (
 	// an error-space that is not known in this address space. Also
 	// errors raised by APIs that do not return enough error information
 	// may be converted to this error.
+	//
+	// The gRPC framework will generate this error code in the above two
+	// mentioned cases.
 	Unknown Code = 2
 
 	// InvalidArgument indicates client specified an invalid argument.
 	// Note that this differs from FailedPrecondition. It indicates arguments
 	// that are problematic regardless of the state of the system
 	// (e.g., a malformed file name).
+	//
+	// This error code will not be generated by the gRPC framework.
 	InvalidArgument Code = 3
 
 	// DeadlineExceeded means operation expired before completion.
@@ -53,14 +61,21 @@ const (
 	// returned even if the operation has completed successfully. For
 	// example, a successful response from a server could have been delayed
 	// long enough for the deadline to expire.
+	//
+	// The gRPC framework will generate this error code when the deadline is
+	// exceeded.
 	DeadlineExceeded Code = 4
 
 	// NotFound means some requested entity (e.g., file or directory) was
 	// not found.
+	//
+	// This error code will not be generated by the gRPC framework.
 	NotFound Code = 5
 
 	// AlreadyExists means an attempt to create an entity failed because one
 	// already exists.
+	//
+	// This error code will not be generated by the gRPC framework.
 	AlreadyExists Code = 6
 
 	// PermissionDenied indicates the caller does not have permission to
@@ -69,10 +84,17 @@ const (
 	// instead for those errors). It must not be
 	// used if the caller cannot be identified (use Unauthenticated
 	// instead for those errors).
+	//
+	// This error code will not be generated by the gRPC core framework,
+	// but expect authentication middleware to use it.
 	PermissionDenied Code = 7
 
 	// ResourceExhausted indicates some resource has been exhausted, perhaps
 	// a per-user quota, or perhaps the entire file system is out of space.
+	//
+	// This error code will be generated by the gRPC framework in
+	// out-of-memory and server overload situations, or when a message is
+	// larger than the configured maximum size.
 	ResourceExhausted Code = 8
 
 	// FailedPrecondition indicates operation was rejected because the
@@ -94,6 +116,8 @@ const (
 	//      REST Get/Update/Delete on a resource and the resource on the
 	//      server does not match the condition. E.g., conflicting
 	//      read-modify-write on the same resource.
+	//
+	// This error code will not be generated by the gRPC framework.
 	FailedPrecondition Code = 9
 
 	// Aborted indicates the operation was aborted, typically due to a
@@ -102,6 +126,8 @@ const (
 	//
 	// See litmus test above for deciding between FailedPrecondition,
 	// Aborted, and Unavailable.
+	//
+	// This error code will not be generated by the gRPC framework.
 	Aborted Code = 10
 
 	// OutOfRange means operation was attempted past the valid range.
@@ -119,15 +145,26 @@ const (
 	// error) when it applies so that callers who are iterating through
 	// a space can easily look for an OutOfRange error to detect when
 	// they are done.
+	//
+	// This error code will not be generated by the gRPC framework.
 	OutOfRange Code = 11
 
 	// Unimplemented indicates operation is not implemented or not
 	// supported/enabled in this service.
+	//
+	// This error code will be generated by the gRPC framework. Most
+	// commonly, you will see this error code when a method implementation
+	// is missing on the server. It can also be generated for unknown
+	// compression algorithms or a disagreement as to whether an RPC should
+	// be streaming.
 	Unimplemented Code = 12
 
 	// Internal errors. Means some invariants expected by underlying
 	// system has been broken. If you see one of these errors,
 	// something is very broken.
+	//
+	// This error code will be generated by the gRPC framework in several
+	// internal error conditions.
 	Internal Code = 13
 
 	// Unavailable indicates the service is currently unavailable.
@@ -137,13 +174,22 @@ const (
 	//
 	// See litmus test above for deciding between FailedPrecondition,
 	// Aborted, and Unavailable.
+	//
+	// This error code will be generated by the gRPC framework during
+	// abrupt shutdown of a server process or network connection.
 	Unavailable Code = 14
 
 	// DataLoss indicates unrecoverable data loss or corruption.
+	//
+	// This error code will not be generated by the gRPC framework.
 	DataLoss Code = 15
 
 	// Unauthenticated indicates the request does not have valid
 	// authentication credentials for the operation.
+	//
+	// The gRPC framework will generate this error code when the
+	// authentication metadata is invalid or a Credentials callback fails,
+	// but also expect authentication middleware to generate it.
 	Unauthenticated Code = 16
 
 	_maxCode = 17
diff --git a/vendor/google.golang.org/grpc/connectivity/connectivity.go b/vendor/google.golang.org/grpc/connectivity/connectivity.go
index 34ec36fbf..010156261 100644
--- a/vendor/google.golang.org/grpc/connectivity/connectivity.go
+++ b/vendor/google.golang.org/grpc/connectivity/connectivity.go
@@ -22,11 +22,11 @@
 package connectivity
 
 import (
-	"context"
-
 	"google.golang.org/grpc/grpclog"
 )
 
+var logger = grpclog.Component("core")
+
 // State indicates the state of connectivity.
 // It can be the state of a ClientConn or SubConn.
 type State int
@@ -44,7 +44,7 @@ func (s State) String() string {
 	case Shutdown:
 		return "SHUTDOWN"
 	default:
-		grpclog.Errorf("unknown connectivity state: %d", s)
+		logger.Errorf("unknown connectivity state: %d", s)
 		return "Invalid-State"
 	}
 }
@@ -61,13 +61,3 @@ const (
 	// Shutdown indicates the ClientConn has started shutting down.
 	Shutdown
 )
-
-// Reporter reports the connectivity states.
-type Reporter interface {
-	// CurrentState returns the current state of the reporter.
-	CurrentState() State
-	// WaitForStateChange blocks until the reporter's state is different from the given state,
-	// and returns true.
-	// It returns false if <-ctx.Done() can proceed (ctx got timeout or got canceled).
-	WaitForStateChange(context.Context, State) bool
-}
diff --git a/vendor/google.golang.org/grpc/credentials/credentials.go b/vendor/google.golang.org/grpc/credentials/credentials.go
index 845ce5d21..7eee7e4ec 100644
--- a/vendor/google.golang.org/grpc/credentials/credentials.go
+++ b/vendor/google.golang.org/grpc/credentials/credentials.go
@@ -29,7 +29,8 @@ import (
 	"net"
 
 	"github.com/golang/protobuf/proto"
-	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/attributes"
+	icredentials "google.golang.org/grpc/internal/credentials"
 )
 
 // PerRPCCredentials defines the common interface for the credentials which need to
@@ -57,9 +58,11 @@ type PerRPCCredentials interface {
 type SecurityLevel int
 
 const (
-	// NoSecurity indicates a connection is insecure.
+	// InvalidSecurityLevel indicates an invalid security level.
 	// The zero SecurityLevel value is invalid for backward compatibility.
-	NoSecurity SecurityLevel = iota + 1
+	InvalidSecurityLevel SecurityLevel = iota
+	// NoSecurity indicates a connection is insecure.
+	NoSecurity
 	// IntegrityOnly indicates a connection only provides integrity protection.
 	IntegrityOnly
 	// PrivacyAndIntegrity indicates a connection provides both privacy and integrity protection.
@@ -89,7 +92,7 @@ type CommonAuthInfo struct {
 }
 
 // GetCommonAuthInfo returns the pointer to CommonAuthInfo struct.
-func (c *CommonAuthInfo) GetCommonAuthInfo() *CommonAuthInfo {
+func (c CommonAuthInfo) GetCommonAuthInfo() CommonAuthInfo {
 	return c
 }
 
@@ -100,7 +103,11 @@ type ProtocolInfo struct {
 	ProtocolVersion string
 	// SecurityProtocol is the security protocol in use.
 	SecurityProtocol string
-	// SecurityVersion is the security protocol version.
+	// SecurityVersion is the security protocol version.  It is a static version string from the
+	// credentials, not a value that reflects per-connection protocol negotiation.  To retrieve
+	// details about the credentials used for a connection, use the Peer's AuthInfo field instead.
+	//
+	// Deprecated: please use Peer.AuthInfo.
 	SecurityVersion string
 	// ServerName is the user-configured server name.
 	ServerName string
@@ -120,15 +127,18 @@ var ErrConnDispatched = errors.New("credentials: rawConn is dispatched out of gR
 // TransportCredentials defines the common interface for all the live gRPC wire
 // protocols and supported transport security protocols (e.g., TLS, SSL).
 type TransportCredentials interface {
-	// ClientHandshake does the authentication handshake specified by the corresponding
-	// authentication protocol on rawConn for clients. It returns the authenticated
-	// connection and the corresponding auth information about the connection.
-	// The auth information should embed CommonAuthInfo to return additional information about
-	// the credentials. Implementations must use the provided context to implement timely cancellation.
-	// gRPC will try to reconnect if the error returned is a temporary error
-	// (io.EOF, context.DeadlineExceeded or err.Temporary() == true).
-	// If the returned error is a wrapper error, implementations should make sure that
+	// ClientHandshake does the authentication handshake specified by the
+	// corresponding authentication protocol on rawConn for clients. It returns
+	// the authenticated connection and the corresponding auth information
+	// about the connection.  The auth information should embed CommonAuthInfo
+	// to return additional information about the credentials. Implementations
+	// must use the provided context to implement timely cancellation.  gRPC
+	// will try to reconnect if the error returned is a temporary error
+	// (io.EOF, context.DeadlineExceeded or err.Temporary() == true).  If the
+	// returned error is a wrapper error, implementations should make sure that
 	// the error implements Temporary() to have the correct retry behaviors.
+	// Additionally, ClientHandshakeInfo data will be available via the context
+	// passed to this call.
 	//
 	// If the returned net.Conn is closed, it MUST close the net.Conn provided.
 	ClientHandshake(context.Context, string, net.Conn) (net.Conn, AuthInfo, error)
@@ -178,15 +188,33 @@ type RequestInfo struct {
 	AuthInfo AuthInfo
 }
 
-// requestInfoKey is a struct to be used as the key when attaching a RequestInfo to a context object.
-type requestInfoKey struct{}
-
 // RequestInfoFromContext extracts the RequestInfo from the context if it exists.
 //
 // This API is experimental.
 func RequestInfoFromContext(ctx context.Context) (ri RequestInfo, ok bool) {
-	ri, ok = ctx.Value(requestInfoKey{}).(RequestInfo)
-	return
+	ri, ok = icredentials.RequestInfoFromContext(ctx).(RequestInfo)
+	return ri, ok
+}
+
+// ClientHandshakeInfo holds data to be passed to ClientHandshake. This makes
+// it possible to pass arbitrary data to the handshaker from gRPC, resolver,
+// balancer etc. Individual credential implementations control the actual
+// format of the data that they are willing to receive.
+//
+// This API is experimental.
+type ClientHandshakeInfo struct {
+	// Attributes contains the attributes for the address. It could be provided
+	// by the gRPC, resolver, balancer etc.
+	Attributes *attributes.Attributes
+}
+
+// ClientHandshakeInfoFromContext returns the ClientHandshakeInfo struct stored
+// in ctx.
+//
+// This API is experimental.
+func ClientHandshakeInfoFromContext(ctx context.Context) ClientHandshakeInfo {
+	chi, _ := icredentials.ClientHandshakeInfoFromContext(ctx).(ClientHandshakeInfo)
+	return chi
 }
 
 // CheckSecurityLevel checks if a connection's security level is greater than or equal to the specified one.
@@ -194,17 +222,16 @@ func RequestInfoFromContext(ctx context.Context) (ri RequestInfo, ok bool) {
 // or 3) CommonAuthInfo.SecurityLevel has an invalid zero value. For 2) and 3), it is for the purpose of backward-compatibility.
 //
 // This API is experimental.
-func CheckSecurityLevel(ctx context.Context, level SecurityLevel) error {
+func CheckSecurityLevel(ai AuthInfo, level SecurityLevel) error {
 	type internalInfo interface {
-		GetCommonAuthInfo() *CommonAuthInfo
+		GetCommonAuthInfo() CommonAuthInfo
 	}
-	ri, _ := RequestInfoFromContext(ctx)
-	if ri.AuthInfo == nil {
-		return errors.New("unable to obtain SecurityLevel from context")
+	if ai == nil {
+		return errors.New("AuthInfo is nil")
 	}
-	if ci, ok := ri.AuthInfo.(internalInfo); ok {
+	if ci, ok := ai.(internalInfo); ok {
 		// CommonAuthInfo.SecurityLevel has an invalid value.
-		if ci.GetCommonAuthInfo().SecurityLevel == 0 {
+		if ci.GetCommonAuthInfo().SecurityLevel == InvalidSecurityLevel {
 			return nil
 		}
 		if ci.GetCommonAuthInfo().SecurityLevel < level {
@@ -215,12 +242,6 @@ func CheckSecurityLevel(ctx context.Context, level SecurityLevel) error {
 	return nil
 }
 
-func init() {
-	internal.NewRequestInfoContext = func(ctx context.Context, ri RequestInfo) context.Context {
-		return context.WithValue(ctx, requestInfoKey{}, ri)
-	}
-}
-
 // ChannelzSecurityInfo defines the interface that security protocols should implement
 // in order to provide security info to channelz.
 //
diff --git a/vendor/google.golang.org/grpc/credentials/tls.go b/vendor/google.golang.org/grpc/credentials/tls.go
index 28b4f6232..8ee7124f2 100644
--- a/vendor/google.golang.org/grpc/credentials/tls.go
+++ b/vendor/google.golang.org/grpc/credentials/tls.go
@@ -25,8 +25,9 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net"
+	"net/url"
 
-	"google.golang.org/grpc/credentials/internal"
+	credinternal "google.golang.org/grpc/internal/credentials"
 )
 
 // TLSInfo contains the auth information for a TLS authenticated connection.
@@ -34,6 +35,8 @@ import (
 type TLSInfo struct {
 	State tls.ConnectionState
 	CommonAuthInfo
+	// This API is experimental.
+	SPIFFEID *url.URL
 }
 
 // AuthType returns the type of TLSInfo as a string.
@@ -69,7 +72,7 @@ func (c tlsCreds) Info() ProtocolInfo {
 
 func (c *tlsCreds) ClientHandshake(ctx context.Context, authority string, rawConn net.Conn) (_ net.Conn, _ AuthInfo, err error) {
 	// use local cfg to avoid clobbering ServerName if using multiple endpoints
-	cfg := cloneTLSConfig(c.config)
+	cfg := credinternal.CloneTLSConfig(c.config)
 	if cfg.ServerName == "" {
 		serverName, _, err := net.SplitHostPort(authority)
 		if err != nil {
@@ -94,7 +97,17 @@ func (c *tlsCreds) ClientHandshake(ctx context.Context, authority string, rawCon
 		conn.Close()
 		return nil, nil, ctx.Err()
 	}
-	return internal.WrapSyscallConn(rawConn, conn), TLSInfo{conn.ConnectionState(), CommonAuthInfo{PrivacyAndIntegrity}}, nil
+	tlsInfo := TLSInfo{
+		State: conn.ConnectionState(),
+		CommonAuthInfo: CommonAuthInfo{
+			SecurityLevel: PrivacyAndIntegrity,
+		},
+	}
+	id := credinternal.SPIFFEIDFromState(conn.ConnectionState())
+	if id != nil {
+		tlsInfo.SPIFFEID = id
+	}
+	return credinternal.WrapSyscallConn(rawConn, conn), tlsInfo, nil
 }
 
 func (c *tlsCreds) ServerHandshake(rawConn net.Conn) (net.Conn, AuthInfo, error) {
@@ -103,7 +116,17 @@ func (c *tlsCreds) ServerHandshake(rawConn net.Conn) (net.Conn, AuthInfo, error)
 		conn.Close()
 		return nil, nil, err
 	}
-	return internal.WrapSyscallConn(rawConn, conn), TLSInfo{conn.ConnectionState(), CommonAuthInfo{PrivacyAndIntegrity}}, nil
+	tlsInfo := TLSInfo{
+		State: conn.ConnectionState(),
+		CommonAuthInfo: CommonAuthInfo{
+			SecurityLevel: PrivacyAndIntegrity,
+		},
+	}
+	id := credinternal.SPIFFEIDFromState(conn.ConnectionState())
+	if id != nil {
+		tlsInfo.SPIFFEID = id
+	}
+	return credinternal.WrapSyscallConn(rawConn, conn), tlsInfo, nil
 }
 
 func (c *tlsCreds) Clone() TransportCredentials {
@@ -115,36 +138,33 @@ func (c *tlsCreds) OverrideServerName(serverNameOverride string) error {
 	return nil
 }
 
-const alpnProtoStrH2 = "h2"
-
-func appendH2ToNextProtos(ps []string) []string {
-	for _, p := range ps {
-		if p == alpnProtoStrH2 {
-			return ps
-		}
-	}
-	ret := make([]string, 0, len(ps)+1)
-	ret = append(ret, ps...)
-	return append(ret, alpnProtoStrH2)
-}
-
 // NewTLS uses c to construct a TransportCredentials based on TLS.
 func NewTLS(c *tls.Config) TransportCredentials {
-	tc := &tlsCreds{cloneTLSConfig(c)}
-	tc.config.NextProtos = appendH2ToNextProtos(tc.config.NextProtos)
+	tc := &tlsCreds{credinternal.CloneTLSConfig(c)}
+	tc.config.NextProtos = credinternal.AppendH2ToNextProtos(tc.config.NextProtos)
 	return tc
 }
 
-// NewClientTLSFromCert constructs TLS credentials from the input certificate for client.
+// NewClientTLSFromCert constructs TLS credentials from the provided root
+// certificate authority certificate(s) to validate server connections. If
+// certificates to establish the identity of the client need to be included in
+// the credentials (eg: for mTLS), use NewTLS instead, where a complete
+// tls.Config can be specified.
 // serverNameOverride is for testing only. If set to a non empty string,
-// it will override the virtual host name of authority (e.g. :authority header field) in requests.
+// it will override the virtual host name of authority (e.g. :authority header
+// field) in requests.
 func NewClientTLSFromCert(cp *x509.CertPool, serverNameOverride string) TransportCredentials {
 	return NewTLS(&tls.Config{ServerName: serverNameOverride, RootCAs: cp})
 }
 
-// NewClientTLSFromFile constructs TLS credentials from the input certificate file for client.
+// NewClientTLSFromFile constructs TLS credentials from the provided root
+// certificate authority certificate file(s) to validate server connections. If
+// certificates to establish the identity of the client need to be included in
+// the credentials (eg: for mTLS), use NewTLS instead, where a complete
+// tls.Config can be specified.
 // serverNameOverride is for testing only. If set to a non empty string,
-// it will override the virtual host name of authority (e.g. :authority header field) in requests.
+// it will override the virtual host name of authority (e.g. :authority header
+// field) in requests.
 func NewClientTLSFromFile(certFile, serverNameOverride string) (TransportCredentials, error) {
 	b, err := ioutil.ReadFile(certFile)
 	if err != nil {
@@ -175,7 +195,10 @@ func NewServerTLSFromFile(certFile, keyFile string) (TransportCredentials, error
 // TLSChannelzSecurityValue defines the struct that TLS protocol should return
 // from GetSecurityValue(), containing security info like cipher and certificate used.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type TLSChannelzSecurityValue struct {
 	ChannelzSecurityValue
 	StandardName      string
@@ -208,18 +231,3 @@ var cipherSuiteLookup = map[uint16]string{
 	tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305:    "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305",
 	tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:  "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305",
 }
-
-// cloneTLSConfig returns a shallow clone of the exported
-// fields of cfg, ignoring the unexported sync.Once, which
-// contains a mutex and must not be copied.
-//
-// If cfg is nil, a new zero tls.Config is returned.
-//
-// TODO: inline this function if possible.
-func cloneTLSConfig(cfg *tls.Config) *tls.Config {
-	if cfg == nil {
-		return &tls.Config{}
-	}
-
-	return cfg.Clone()
-}
diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go
index 63f5ae21d..7a497237b 100644
--- a/vendor/google.golang.org/grpc/dialoptions.go
+++ b/vendor/google.golang.org/grpc/dialoptions.go
@@ -27,7 +27,6 @@ import (
 	"google.golang.org/grpc/backoff"
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
 	internalbackoff "google.golang.org/grpc/internal/backoff"
 	"google.golang.org/grpc/internal/envconfig"
@@ -46,18 +45,18 @@ type dialOptions struct {
 	chainUnaryInts  []UnaryClientInterceptor
 	chainStreamInts []StreamClientInterceptor
 
-	cp          Compressor
-	dc          Decompressor
-	bs          internalbackoff.Strategy
-	block       bool
-	insecure    bool
-	timeout     time.Duration
-	scChan      <-chan ServiceConfig
-	authority   string
-	copts       transport.ConnectOptions
-	callOptions []CallOption
-	// This is used by v1 balancer dial option WithBalancer to support v1
-	// balancer, and also by WithBalancerName dial option.
+	cp              Compressor
+	dc              Decompressor
+	bs              internalbackoff.Strategy
+	block           bool
+	returnLastError bool
+	insecure        bool
+	timeout         time.Duration
+	scChan          <-chan ServiceConfig
+	authority       string
+	copts           transport.ConnectOptions
+	callOptions     []CallOption
+	// This is used by WithBalancerName dial option.
 	balancerBuilder             balancer.Builder
 	channelzParentID            int64
 	disableServiceConfig        bool
@@ -67,11 +66,7 @@ type dialOptions struct {
 	minConnectTimeout           func() time.Duration
 	defaultServiceConfig        *ServiceConfig // defaultServiceConfig is parsed from defaultServiceConfigRawJSON.
 	defaultServiceConfigRawJSON *string
-	// This is used by ccResolverWrapper to backoff between successive calls to
-	// resolver.ResolveNow(). The user will have no need to configure this, but
-	// we need to be able to configure this in tests.
-	resolveNowBackoff func(int) time.Duration
-	resolvers         []resolver.Builder
+	resolvers                   []resolver.Builder
 }
 
 // DialOption configures how we set up the connection.
@@ -82,7 +77,10 @@ type DialOption interface {
 // EmptyDialOption does not alter the dial configuration. It can be embedded in
 // another structure to build custom dial options.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type EmptyDialOption struct{}
 
 func (EmptyDialOption) apply(*dialOptions) {}
@@ -198,19 +196,6 @@ func WithDecompressor(dc Decompressor) DialOption {
 	})
 }
 
-// WithBalancer returns a DialOption which sets a load balancer with the v1 API.
-// Name resolver will be ignored if this DialOption is specified.
-//
-// Deprecated: use the new balancer APIs in balancer package and
-// WithBalancerName.  Will be removed in a future 1.x release.
-func WithBalancer(b Balancer) DialOption {
-	return newFuncDialOption(func(o *dialOptions) {
-		o.balancerBuilder = &balancerWrapperBuilder{
-			b: b,
-		}
-	})
-}
-
 // WithBalancerName sets the balancer that the ClientConn will be initialized
 // with. Balancer registered with balancerName will be used. This function
 // panics if no balancer was registered by balancerName.
@@ -251,7 +236,10 @@ func WithServiceConfig(c <-chan ServiceConfig) DialOption {
 // using the backoff.DefaultConfig as a base, in cases where you want to
 // override only a subset of the backoff configuration.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithConnectParams(p ConnectParams) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.bs = internalbackoff.Exponential{Config: p.Backoff}
@@ -298,6 +286,22 @@ func WithBlock() DialOption {
 	})
 }
 
+// WithReturnConnectionError returns a DialOption which makes the client connection
+// return a string containing both the last connection error that occurred and
+// the context.DeadlineExceeded error.
+// Implies WithBlock()
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func WithReturnConnectionError() DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.block = true
+		o.returnLastError = true
+	})
+}
+
 // WithInsecure returns a DialOption which disables transport security for this
 // ClientConn. Note that transport security is required unless WithInsecure is
 // set.
@@ -307,6 +311,19 @@ func WithInsecure() DialOption {
 	})
 }
 
+// WithNoProxy returns a DialOption which disables the use of proxies for this
+// ClientConn. This is ignored if WithDialer or WithContextDialer are used.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func WithNoProxy() DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.copts.UseProxy = false
+	})
+}
+
 // WithTransportCredentials returns a DialOption which configures a connection
 // level security credentials (e.g., TLS/SSL). This should not be used together
 // with WithCredentialsBundle.
@@ -328,7 +345,10 @@ func WithPerRPCCredentials(creds credentials.PerRPCCredentials) DialOption {
 // the ClientConn.WithCreds. This should not be used together with
 // WithTransportCredentials.
 //
-// This API is experimental.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithCredentialsBundle(b credentials.Bundle) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.copts.CredsBundle = b
@@ -393,7 +413,10 @@ func WithStatsHandler(h stats.Handler) DialOption {
 // FailOnNonTempDialError only affects the initial dial, and does not do
 // anything useful unless you are also using WithBlock().
 //
-// This is an EXPERIMENTAL API.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func FailOnNonTempDialError(f bool) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.copts.FailOnNonTempDialError = f
@@ -412,7 +435,7 @@ func WithUserAgent(s string) DialOption {
 // for the client transport.
 func WithKeepaliveParams(kp keepalive.ClientParameters) DialOption {
 	if kp.Time < internal.KeepaliveMinPingTime {
-		grpclog.Warningf("Adjusting keepalive ping interval to minimum period of %v", internal.KeepaliveMinPingTime)
+		logger.Warningf("Adjusting keepalive ping interval to minimum period of %v", internal.KeepaliveMinPingTime)
 		kp.Time = internal.KeepaliveMinPingTime
 	}
 	return newFuncDialOption(func(o *dialOptions) {
@@ -448,7 +471,7 @@ func WithStreamInterceptor(f StreamClientInterceptor) DialOption {
 }
 
 // WithChainStreamInterceptor returns a DialOption that specifies the chained
-// interceptor for unary RPCs. The first interceptor will be the outer most,
+// interceptor for streaming RPCs. The first interceptor will be the outer most,
 // while the last interceptor will be the inner most wrapper around the real call.
 // All interceptors added by this method will be chained, and the interceptor
 // defined by WithStreamInterceptor will always be prepended to the chain.
@@ -471,7 +494,10 @@ func WithAuthority(a string) DialOption {
 // current ClientConn's parent. This function is used in nested channel creation
 // (e.g. grpclb dial).
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithChannelzParentID(id int64) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.channelzParentID = id
@@ -497,7 +523,10 @@ func WithDisableServiceConfig() DialOption {
 // 2. Resolver does not return a service config or if the resolver returns an
 //    invalid service config.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithDefaultServiceConfig(s string) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.defaultServiceConfigRawJSON = &s
@@ -513,7 +542,10 @@ func WithDefaultServiceConfig(s string) DialOption {
 // default in the future.  Until then, it may be enabled by setting the
 // environment variable "GRPC_GO_RETRY" to "on".
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithDisableRetry() DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.disableRetry = true
@@ -531,7 +563,10 @@ func WithMaxHeaderListSize(s uint32) DialOption {
 // WithDisableHealthCheck disables the LB channel health checking for all
 // SubConns of this ClientConn.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithDisableHealthCheck() DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.disableHealthCheck = true
@@ -555,8 +590,8 @@ func defaultDialOptions() dialOptions {
 		copts: transport.ConnectOptions{
 			WriteBufferSize: defaultWriteBufSize,
 			ReadBufferSize:  defaultReadBufSize,
+			UseProxy:        true,
 		},
-		resolveNowBackoff: internalbackoff.DefaultExponential.Backoff,
 	}
 }
 
@@ -571,22 +606,15 @@ func withMinConnectDeadline(f func() time.Duration) DialOption {
 	})
 }
 
-// withResolveNowBackoff specifies the function that clientconn uses to backoff
-// between successive calls to resolver.ResolveNow().
-//
-// For testing purpose only.
-func withResolveNowBackoff(f func(int) time.Duration) DialOption {
-	return newFuncDialOption(func(o *dialOptions) {
-		o.resolveNowBackoff = f
-	})
-}
-
 // WithResolvers allows a list of resolver implementations to be registered
 // locally with the ClientConn without needing to be globally registered via
 // resolver.Register.  They will be matched against the scheme used for the
 // current Dial only, and will take precedence over the global registry.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func WithResolvers(rs ...resolver.Builder) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.resolvers = append(o.resolvers, rs...)
diff --git a/vendor/google.golang.org/grpc/doc.go b/vendor/google.golang.org/grpc/doc.go
index 187adbb11..0022859ad 100644
--- a/vendor/google.golang.org/grpc/doc.go
+++ b/vendor/google.golang.org/grpc/doc.go
@@ -16,6 +16,8 @@
  *
  */
 
+//go:generate ./regenerate.sh
+
 /*
 Package grpc implements an RPC system called gRPC.
 
diff --git a/vendor/google.golang.org/grpc/encoding/encoding.go b/vendor/google.golang.org/grpc/encoding/encoding.go
index 195e8448b..6d84f74c7 100644
--- a/vendor/google.golang.org/grpc/encoding/encoding.go
+++ b/vendor/google.golang.org/grpc/encoding/encoding.go
@@ -19,7 +19,10 @@
 // Package encoding defines the interface for the compressor and codec, and
 // functions to register and retrieve compressors and codecs.
 //
-// This package is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This package is EXPERIMENTAL and may be changed or removed in a
+// later release.
 package encoding
 
 import (
@@ -46,10 +49,15 @@ type Compressor interface {
 	// coding header.  The result must be static; the result cannot change
 	// between calls.
 	Name() string
-	// EXPERIMENTAL: if a Compressor implements
+	// If a Compressor implements
 	// DecompressedSize(compressedBytes []byte) int, gRPC will call it
 	// to determine the size of the buffer allocated for the result of decompression.
 	// Return -1 to indicate unknown size.
+	//
+	// Experimental
+	//
+	// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+	// later release.
 }
 
 var registeredCompressor = make(map[string]Compressor)
diff --git a/vendor/google.golang.org/grpc/encoding/proto/proto.go b/vendor/google.golang.org/grpc/encoding/proto/proto.go
index 66b97a6f6..3009b35af 100644
--- a/vendor/google.golang.org/grpc/encoding/proto/proto.go
+++ b/vendor/google.golang.org/grpc/encoding/proto/proto.go
@@ -21,8 +21,7 @@
 package proto
 
 import (
-	"math"
-	"sync"
+	"fmt"
 
 	"github.com/golang/protobuf/proto"
 	"google.golang.org/grpc/encoding"
@@ -38,73 +37,22 @@ func init() {
 // codec is a Codec implementation with protobuf. It is the default codec for gRPC.
 type codec struct{}
 
-type cachedProtoBuffer struct {
-	lastMarshaledSize uint32
-	proto.Buffer
-}
-
-func capToMaxInt32(val int) uint32 {
-	if val > math.MaxInt32 {
-		return uint32(math.MaxInt32)
-	}
-	return uint32(val)
-}
-
-func marshal(v interface{}, cb *cachedProtoBuffer) ([]byte, error) {
-	protoMsg := v.(proto.Message)
-	newSlice := make([]byte, 0, cb.lastMarshaledSize)
-
-	cb.SetBuf(newSlice)
-	cb.Reset()
-	if err := cb.Marshal(protoMsg); err != nil {
-		return nil, err
-	}
-	out := cb.Bytes()
-	cb.lastMarshaledSize = capToMaxInt32(len(out))
-	return out, nil
-}
-
 func (codec) Marshal(v interface{}) ([]byte, error) {
-	if pm, ok := v.(proto.Marshaler); ok {
-		// object can marshal itself, no need for buffer
-		return pm.Marshal()
+	vv, ok := v.(proto.Message)
+	if !ok {
+		return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
 	}
-
-	cb := protoBufferPool.Get().(*cachedProtoBuffer)
-	out, err := marshal(v, cb)
-
-	// put back buffer and lose the ref to the slice
-	cb.SetBuf(nil)
-	protoBufferPool.Put(cb)
-	return out, err
+	return proto.Marshal(vv)
 }
 
 func (codec) Unmarshal(data []byte, v interface{}) error {
-	protoMsg := v.(proto.Message)
-	protoMsg.Reset()
-
-	if pu, ok := protoMsg.(proto.Unmarshaler); ok {
-		// object can unmarshal itself, no need for buffer
-		return pu.Unmarshal(data)
+	vv, ok := v.(proto.Message)
+	if !ok {
+		return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
 	}
-
-	cb := protoBufferPool.Get().(*cachedProtoBuffer)
-	cb.SetBuf(data)
-	err := cb.Unmarshal(protoMsg)
-	cb.SetBuf(nil)
-	protoBufferPool.Put(cb)
-	return err
+	return proto.Unmarshal(data, vv)
 }
 
 func (codec) Name() string {
 	return Name
 }
-
-var protoBufferPool = &sync.Pool{
-	New: func() interface{} {
-		return &cachedProtoBuffer{
-			Buffer:            proto.Buffer{},
-			lastMarshaledSize: 16,
-		}
-	},
-}
diff --git a/vendor/google.golang.org/grpc/go.mod b/vendor/google.golang.org/grpc/go.mod
index 237836130..b177cfa66 100644
--- a/vendor/google.golang.org/grpc/go.mod
+++ b/vendor/google.golang.org/grpc/go.mod
@@ -3,14 +3,15 @@ module google.golang.org/grpc
 go 1.11
 
 require (
-	github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473
-	github.com/envoyproxy/protoc-gen-validate v0.1.0
+	github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403
+	github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
-	github.com/golang/mock v1.1.1
-	github.com/golang/protobuf v1.3.2
-	github.com/google/go-cmp v0.2.0
+	github.com/golang/protobuf v1.4.2
+	github.com/google/go-cmp v0.5.0
+	github.com/google/uuid v1.1.2
 	golang.org/x/net v0.0.0-20190311183353-d8887717615a
 	golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be
 	golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a
-	google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55
+	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013
+	google.golang.org/protobuf v1.25.0
 )
diff --git a/vendor/google.golang.org/grpc/go.sum b/vendor/google.golang.org/grpc/go.sum
index dd5d0cee7..24d2976ab 100644
--- a/vendor/google.golang.org/grpc/go.sum
+++ b/vendor/google.golang.org/grpc/go.sum
@@ -1,22 +1,46 @@
 cloud.google.com/go v0.26.0 h1:e0WKqKTd5BnrG8aKH3J3h+QvEIQtSUcf2n5UZ5ZgLtQ=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473 h1:4cmBvAEBNJaGARUEs3/suWRyfyBfhf7I60WBZq+bv2w=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403 h1:cqQfy1jclcSy/FwLjemeg3SR1yaINm74aQyupQ0Bl8M=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d h1:QyzYnTnPE15SQyUeqU6qLbWxMkwyAyu+vGksa0b7j00=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0 h1:EQciDnbrYxy13PgWoY8AqoxGiPrpgBZ1R8UNe3ddc+A=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/mock v1.1.1 h1:G5FRp8JnTd7RQH5kemVNlMeyXQAztQ3mOWV95KxsXH8=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
+github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
+github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -41,13 +65,32 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
+google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
+google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
+google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
+google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/vendor/google.golang.org/grpc/grpclog/component.go b/vendor/google.golang.org/grpc/grpclog/component.go
new file mode 100644
index 000000000..8358dd6e2
--- /dev/null
+++ b/vendor/google.golang.org/grpc/grpclog/component.go
@@ -0,0 +1,117 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpclog
+
+import (
+	"fmt"
+
+	"google.golang.org/grpc/internal/grpclog"
+)
+
+// componentData records the settings for a component.
+type componentData struct {
+	name string
+}
+
+var cache = map[string]*componentData{}
+
+func (c *componentData) InfoDepth(depth int, args ...interface{}) {
+	args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
+	grpclog.InfoDepth(depth+1, args...)
+}
+
+func (c *componentData) WarningDepth(depth int, args ...interface{}) {
+	args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
+	grpclog.WarningDepth(depth+1, args...)
+}
+
+func (c *componentData) ErrorDepth(depth int, args ...interface{}) {
+	args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
+	grpclog.ErrorDepth(depth+1, args...)
+}
+
+func (c *componentData) FatalDepth(depth int, args ...interface{}) {
+	args = append([]interface{}{"[" + string(c.name) + "]"}, args...)
+	grpclog.FatalDepth(depth+1, args...)
+}
+
+func (c *componentData) Info(args ...interface{}) {
+	c.InfoDepth(1, args...)
+}
+
+func (c *componentData) Warning(args ...interface{}) {
+	c.WarningDepth(1, args...)
+}
+
+func (c *componentData) Error(args ...interface{}) {
+	c.ErrorDepth(1, args...)
+}
+
+func (c *componentData) Fatal(args ...interface{}) {
+	c.FatalDepth(1, args...)
+}
+
+func (c *componentData) Infof(format string, args ...interface{}) {
+	c.InfoDepth(1, fmt.Sprintf(format, args...))
+}
+
+func (c *componentData) Warningf(format string, args ...interface{}) {
+	c.WarningDepth(1, fmt.Sprintf(format, args...))
+}
+
+func (c *componentData) Errorf(format string, args ...interface{}) {
+	c.ErrorDepth(1, fmt.Sprintf(format, args...))
+}
+
+func (c *componentData) Fatalf(format string, args ...interface{}) {
+	c.FatalDepth(1, fmt.Sprintf(format, args...))
+}
+
+func (c *componentData) Infoln(args ...interface{}) {
+	c.InfoDepth(1, args...)
+}
+
+func (c *componentData) Warningln(args ...interface{}) {
+	c.WarningDepth(1, args...)
+}
+
+func (c *componentData) Errorln(args ...interface{}) {
+	c.ErrorDepth(1, args...)
+}
+
+func (c *componentData) Fatalln(args ...interface{}) {
+	c.FatalDepth(1, args...)
+}
+
+func (c *componentData) V(l int) bool {
+	return V(l)
+}
+
+// Component creates a new component and returns it for logging. If a component
+// with the name already exists, nothing will be created and it will be
+// returned. SetLoggerV2 will panic if it is called with a logger created by
+// Component.
+func Component(componentName string) DepthLoggerV2 {
+	if cData, ok := cache[componentName]; ok {
+		return cData
+	}
+	c := &componentData{componentName}
+	cache[componentName] = c
+	return c
+}
diff --git a/vendor/google.golang.org/grpc/grpclog/grpclog.go b/vendor/google.golang.org/grpc/grpclog/grpclog.go
index 874ea6d98..c8bb2be34 100644
--- a/vendor/google.golang.org/grpc/grpclog/grpclog.go
+++ b/vendor/google.golang.org/grpc/grpclog/grpclog.go
@@ -26,64 +26,70 @@
 // verbosity level can be set by GRPC_GO_LOG_VERBOSITY_LEVEL.
 package grpclog // import "google.golang.org/grpc/grpclog"
 
-import "os"
+import (
+	"os"
 
-var logger = newLoggerV2()
+	"google.golang.org/grpc/internal/grpclog"
+)
+
+func init() {
+	SetLoggerV2(newLoggerV2())
+}
 
 // V reports whether verbosity level l is at least the requested verbose level.
 func V(l int) bool {
-	return logger.V(l)
+	return grpclog.Logger.V(l)
 }
 
 // Info logs to the INFO log.
 func Info(args ...interface{}) {
-	logger.Info(args...)
+	grpclog.Logger.Info(args...)
 }
 
 // Infof logs to the INFO log. Arguments are handled in the manner of fmt.Printf.
 func Infof(format string, args ...interface{}) {
-	logger.Infof(format, args...)
+	grpclog.Logger.Infof(format, args...)
 }
 
 // Infoln logs to the INFO log. Arguments are handled in the manner of fmt.Println.
 func Infoln(args ...interface{}) {
-	logger.Infoln(args...)
+	grpclog.Logger.Infoln(args...)
 }
 
 // Warning logs to the WARNING log.
 func Warning(args ...interface{}) {
-	logger.Warning(args...)
+	grpclog.Logger.Warning(args...)
 }
 
 // Warningf logs to the WARNING log. Arguments are handled in the manner of fmt.Printf.
 func Warningf(format string, args ...interface{}) {
-	logger.Warningf(format, args...)
+	grpclog.Logger.Warningf(format, args...)
 }
 
 // Warningln logs to the WARNING log. Arguments are handled in the manner of fmt.Println.
 func Warningln(args ...interface{}) {
-	logger.Warningln(args...)
+	grpclog.Logger.Warningln(args...)
 }
 
 // Error logs to the ERROR log.
 func Error(args ...interface{}) {
-	logger.Error(args...)
+	grpclog.Logger.Error(args...)
 }
 
 // Errorf logs to the ERROR log. Arguments are handled in the manner of fmt.Printf.
 func Errorf(format string, args ...interface{}) {
-	logger.Errorf(format, args...)
+	grpclog.Logger.Errorf(format, args...)
 }
 
 // Errorln logs to the ERROR log. Arguments are handled in the manner of fmt.Println.
 func Errorln(args ...interface{}) {
-	logger.Errorln(args...)
+	grpclog.Logger.Errorln(args...)
 }
 
 // Fatal logs to the FATAL log. Arguments are handled in the manner of fmt.Print.
 // It calls os.Exit() with exit code 1.
 func Fatal(args ...interface{}) {
-	logger.Fatal(args...)
+	grpclog.Logger.Fatal(args...)
 	// Make sure fatal logs will exit.
 	os.Exit(1)
 }
@@ -91,7 +97,7 @@ func Fatal(args ...interface{}) {
 // Fatalf logs to the FATAL log. Arguments are handled in the manner of fmt.Printf.
 // It calls os.Exit() with exit code 1.
 func Fatalf(format string, args ...interface{}) {
-	logger.Fatalf(format, args...)
+	grpclog.Logger.Fatalf(format, args...)
 	// Make sure fatal logs will exit.
 	os.Exit(1)
 }
@@ -99,7 +105,7 @@ func Fatalf(format string, args ...interface{}) {
 // Fatalln logs to the FATAL log. Arguments are handled in the manner of fmt.Println.
 // It calle os.Exit()) with exit code 1.
 func Fatalln(args ...interface{}) {
-	logger.Fatalln(args...)
+	grpclog.Logger.Fatalln(args...)
 	// Make sure fatal logs will exit.
 	os.Exit(1)
 }
@@ -108,19 +114,19 @@ func Fatalln(args ...interface{}) {
 //
 // Deprecated: use Info.
 func Print(args ...interface{}) {
-	logger.Info(args...)
+	grpclog.Logger.Info(args...)
 }
 
 // Printf prints to the logger. Arguments are handled in the manner of fmt.Printf.
 //
 // Deprecated: use Infof.
 func Printf(format string, args ...interface{}) {
-	logger.Infof(format, args...)
+	grpclog.Logger.Infof(format, args...)
 }
 
 // Println prints to the logger. Arguments are handled in the manner of fmt.Println.
 //
 // Deprecated: use Infoln.
 func Println(args ...interface{}) {
-	logger.Infoln(args...)
+	grpclog.Logger.Infoln(args...)
 }
diff --git a/vendor/google.golang.org/grpc/grpclog/logger.go b/vendor/google.golang.org/grpc/grpclog/logger.go
index 097494f71..ef06a4822 100644
--- a/vendor/google.golang.org/grpc/grpclog/logger.go
+++ b/vendor/google.golang.org/grpc/grpclog/logger.go
@@ -18,6 +18,8 @@
 
 package grpclog
 
+import "google.golang.org/grpc/internal/grpclog"
+
 // Logger mimics golang's standard Logger as an interface.
 //
 // Deprecated: use LoggerV2.
@@ -35,7 +37,7 @@ type Logger interface {
 //
 // Deprecated: use SetLoggerV2.
 func SetLogger(l Logger) {
-	logger = &loggerWrapper{Logger: l}
+	grpclog.Logger = &loggerWrapper{Logger: l}
 }
 
 // loggerWrapper wraps Logger into a LoggerV2.
diff --git a/vendor/google.golang.org/grpc/grpclog/loggerv2.go b/vendor/google.golang.org/grpc/grpclog/loggerv2.go
index d49325776..4ee33171e 100644
--- a/vendor/google.golang.org/grpc/grpclog/loggerv2.go
+++ b/vendor/google.golang.org/grpc/grpclog/loggerv2.go
@@ -24,6 +24,8 @@ import (
 	"log"
 	"os"
 	"strconv"
+
+	"google.golang.org/grpc/internal/grpclog"
 )
 
 // LoggerV2 does underlying logging work for grpclog.
@@ -65,7 +67,11 @@ type LoggerV2 interface {
 // SetLoggerV2 sets logger that is used in grpc to a V2 logger.
 // Not mutex-protected, should be called before any gRPC functions.
 func SetLoggerV2(l LoggerV2) {
-	logger = l
+	if _, ok := l.(*componentData); ok {
+		panic("cannot use component logger as grpclog logger")
+	}
+	grpclog.Logger = l
+	grpclog.DepthLogger, _ = l.(grpclog.DepthLoggerV2)
 }
 
 const (
@@ -193,3 +199,23 @@ func (g *loggerT) Fatalf(format string, args ...interface{}) {
 func (g *loggerT) V(l int) bool {
 	return l <= g.v
 }
+
+// DepthLoggerV2 logs at a specified call frame. If a LoggerV2 also implements
+// DepthLoggerV2, the below functions will be called with the appropriate stack
+// depth set for trivial functions the logger may ignore.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
+type DepthLoggerV2 interface {
+	LoggerV2
+	// InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	InfoDepth(depth int, args ...interface{})
+	// WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	WarningDepth(depth int, args ...interface{})
+	// ErrorDetph logs to ERROR log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	ErrorDepth(depth int, args ...interface{})
+	// FatalDepth logs to FATAL log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	FatalDepth(depth int, args ...interface{})
+}
diff --git a/vendor/google.golang.org/grpc/install_gae.sh b/vendor/google.golang.org/grpc/install_gae.sh
index 7c7bcada5..15ff9facd 100644
--- a/vendor/google.golang.org/grpc/install_gae.sh
+++ b/vendor/google.golang.org/grpc/install_gae.sh
@@ -3,4 +3,4 @@
 TMP=$(mktemp -d /tmp/sdk.XXX) \
 && curl -o $TMP.zip "https://storage.googleapis.com/appengine-sdks/featured/go_appengine_sdk_linux_amd64-1.9.68.zip" \
 && unzip -q $TMP.zip -d $TMP \
-&& export PATH="$PATH:$TMP/go_appengine"
+&& export PATH="$PATH:$TMP/go_appengine"
\ No newline at end of file
diff --git a/vendor/google.golang.org/grpc/interceptor.go b/vendor/google.golang.org/grpc/interceptor.go
index 8b7350022..668e0adcf 100644
--- a/vendor/google.golang.org/grpc/interceptor.go
+++ b/vendor/google.golang.org/grpc/interceptor.go
@@ -25,17 +25,41 @@ import (
 // UnaryInvoker is called by UnaryClientInterceptor to complete RPCs.
 type UnaryInvoker func(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, opts ...CallOption) error
 
-// UnaryClientInterceptor intercepts the execution of a unary RPC on the client. invoker is the handler to complete the RPC
-// and it is the responsibility of the interceptor to call it.
-// This is an EXPERIMENTAL API.
+// UnaryClientInterceptor intercepts the execution of a unary RPC on the client.
+// Unary interceptors can be specified as a DialOption, using
+// WithUnaryInterceptor() or WithChainUnaryInterceptor(), when creating a
+// ClientConn. When a unary interceptor(s) is set on a ClientConn, gRPC
+// delegates all unary RPC invocations to the interceptor, and it is the
+// responsibility of the interceptor to call invoker to complete the processing
+// of the RPC.
+//
+// method is the RPC name. req and reply are the corresponding request and
+// response messages. cc is the ClientConn on which the RPC was invoked. invoker
+// is the handler to complete the RPC and it is the responsibility of the
+// interceptor to call it. opts contain all applicable call options, including
+// defaults from the ClientConn as well as per-call options.
+//
+// The returned error must be compatible with the status package.
 type UnaryClientInterceptor func(ctx context.Context, method string, req, reply interface{}, cc *ClientConn, invoker UnaryInvoker, opts ...CallOption) error
 
 // Streamer is called by StreamClientInterceptor to create a ClientStream.
 type Streamer func(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, opts ...CallOption) (ClientStream, error)
 
-// StreamClientInterceptor intercepts the creation of ClientStream. It may return a custom ClientStream to intercept all I/O
-// operations. streamer is the handler to create a ClientStream and it is the responsibility of the interceptor to call it.
-// This is an EXPERIMENTAL API.
+// StreamClientInterceptor intercepts the creation of a ClientStream. Stream
+// interceptors can be specified as a DialOption, using WithStreamInterceptor()
+// or WithChainStreamInterceptor(), when creating a ClientConn. When a stream
+// interceptor(s) is set on the ClientConn, gRPC delegates all stream creations
+// to the interceptor, and it is the responsibility of the interceptor to call
+// streamer.
+//
+// desc contains a description of the stream. cc is the ClientConn on which the
+// RPC was invoked. streamer is the handler to create a ClientStream and it is
+// the responsibility of the interceptor to call it. opts contain all applicable
+// call options, including defaults from the ClientConn as well as per-call
+// options.
+//
+// StreamClientInterceptor may return a custom ClientStream to intercept all I/O
+// operations. The returned error must be compatible with the status package.
 type StreamClientInterceptor func(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, streamer Streamer, opts ...CallOption) (ClientStream, error)
 
 // UnaryServerInfo consists of various information about a unary RPC on
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
index 8b1051674..5cc3aeddb 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
@@ -25,6 +25,7 @@ import (
 	"os"
 
 	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/internal/grpcutil"
 )
 
 // Logger is the global binary logger. It can be used to get binary logger for
@@ -39,6 +40,8 @@ type Logger interface {
 // It is used to get a methodLogger for each individual method.
 var binLogger Logger
 
+var grpclogLogger = grpclog.Component("binarylog")
+
 // SetLogger sets the binarg logger.
 //
 // Only call this at init time.
@@ -146,9 +149,9 @@ func (l *logger) setBlacklist(method string) error {
 // Each methodLogger returned by this method is a new instance. This is to
 // generate sequence id within the call.
 func (l *logger) getMethodLogger(methodName string) *MethodLogger {
-	s, m, err := parseMethodName(methodName)
+	s, m, err := grpcutil.ParseMethod(methodName)
 	if err != nil {
-		grpclog.Infof("binarylogging: failed to parse %q: %v", methodName, err)
+		grpclogLogger.Infof("binarylogging: failed to parse %q: %v", methodName, err)
 		return nil
 	}
 	if ml, ok := l.methods[s+"/"+m]; ok {
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/env_config.go b/vendor/google.golang.org/grpc/internal/binarylog/env_config.go
index be30d0e65..d8f4e7602 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/env_config.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/env_config.go
@@ -24,8 +24,6 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
-
-	"google.golang.org/grpc/grpclog"
 )
 
 // NewLoggerFromConfigString reads the string and build a logger. It can be used
@@ -52,7 +50,7 @@ func NewLoggerFromConfigString(s string) Logger {
 	methods := strings.Split(s, ",")
 	for _, method := range methods {
 		if err := l.fillMethodLoggerWithConfigString(method); err != nil {
-			grpclog.Warningf("failed to parse binary log config: %v", err)
+			grpclogLogger.Warningf("failed to parse binary log config: %v", err)
 			return nil
 		}
 	}
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
index 160f6e861..0cdb41831 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
@@ -27,7 +27,6 @@ import (
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 	pb "google.golang.org/grpc/binarylog/grpc_binarylog_v1"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 )
@@ -66,7 +65,7 @@ func newMethodLogger(h, m uint64) *MethodLogger {
 		callID:          idGen.next(),
 		idWithinCallGen: &callIDGenerator{},
 
-		sink: defaultSink, // TODO(blog): make it plugable.
+		sink: DefaultSink, // TODO(blog): make it plugable.
 	}
 }
 
@@ -219,12 +218,12 @@ func (c *ClientMessage) toProto() *pb.GrpcLogEntry {
 	if m, ok := c.Message.(proto.Message); ok {
 		data, err = proto.Marshal(m)
 		if err != nil {
-			grpclog.Infof("binarylogging: failed to marshal proto message: %v", err)
+			grpclogLogger.Infof("binarylogging: failed to marshal proto message: %v", err)
 		}
 	} else if b, ok := c.Message.([]byte); ok {
 		data = b
 	} else {
-		grpclog.Infof("binarylogging: message to log is neither proto.message nor []byte")
+		grpclogLogger.Infof("binarylogging: message to log is neither proto.message nor []byte")
 	}
 	ret := &pb.GrpcLogEntry{
 		Type: pb.GrpcLogEntry_EVENT_TYPE_CLIENT_MESSAGE,
@@ -259,12 +258,12 @@ func (c *ServerMessage) toProto() *pb.GrpcLogEntry {
 	if m, ok := c.Message.(proto.Message); ok {
 		data, err = proto.Marshal(m)
 		if err != nil {
-			grpclog.Infof("binarylogging: failed to marshal proto message: %v", err)
+			grpclogLogger.Infof("binarylogging: failed to marshal proto message: %v", err)
 		}
 	} else if b, ok := c.Message.([]byte); ok {
 		data = b
 	} else {
-		grpclog.Infof("binarylogging: message to log is neither proto.message nor []byte")
+		grpclogLogger.Infof("binarylogging: message to log is neither proto.message nor []byte")
 	}
 	ret := &pb.GrpcLogEntry{
 		Type: pb.GrpcLogEntry_EVENT_TYPE_SERVER_MESSAGE,
@@ -315,7 +314,7 @@ type ServerTrailer struct {
 func (c *ServerTrailer) toProto() *pb.GrpcLogEntry {
 	st, ok := status.FromError(c.Err)
 	if !ok {
-		grpclog.Info("binarylogging: error in trailer is not a status error")
+		grpclogLogger.Info("binarylogging: error in trailer is not a status error")
 	}
 	var (
 		detailsBytes []byte
@@ -325,7 +324,7 @@ func (c *ServerTrailer) toProto() *pb.GrpcLogEntry {
 	if stProto != nil && len(stProto.Details) != 0 {
 		detailsBytes, err = proto.Marshal(stProto)
 		if err != nil {
-			grpclog.Infof("binarylogging: failed to marshal status proto: %v", err)
+			grpclogLogger.Infof("binarylogging: failed to marshal status proto: %v", err)
 		}
 	}
 	ret := &pb.GrpcLogEntry{
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/regenerate.sh b/vendor/google.golang.org/grpc/internal/binarylog/regenerate.sh
deleted file mode 100644
index 113d40cbe..000000000
--- a/vendor/google.golang.org/grpc/internal/binarylog/regenerate.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-# Copyright 2018 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -eux -o pipefail
-
-TMP=$(mktemp -d)
-
-function finish {
-  rm -rf "$TMP"
-}
-trap finish EXIT
-
-pushd "$TMP"
-mkdir -p grpc/binarylog/grpc_binarylog_v1
-curl https://raw.githubusercontent.com/grpc/grpc-proto/master/grpc/binlog/v1/binarylog.proto > grpc/binarylog/grpc_binarylog_v1/binarylog.proto
-
-protoc --go_out=plugins=grpc,paths=source_relative:. -I. grpc/binarylog/grpc_binarylog_v1/*.proto
-popd
-rm -f ./grpc_binarylog_v1/*.pb.go
-cp "$TMP"/grpc/binarylog/grpc_binarylog_v1/*.pb.go ../../binarylog/grpc_binarylog_v1/
-
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/sink.go b/vendor/google.golang.org/grpc/internal/binarylog/sink.go
index a2e7c346d..7d7a3056b 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/sink.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/sink.go
@@ -21,32 +21,23 @@ package binarylog
 import (
 	"bufio"
 	"encoding/binary"
-	"fmt"
 	"io"
-	"io/ioutil"
 	"sync"
 	"time"
 
 	"github.com/golang/protobuf/proto"
 	pb "google.golang.org/grpc/binarylog/grpc_binarylog_v1"
-	"google.golang.org/grpc/grpclog"
 )
 
 var (
-	defaultSink Sink = &noopSink{} // TODO(blog): change this default (file in /tmp).
+	// DefaultSink is the sink where the logs will be written to. It's exported
+	// for the binarylog package to update.
+	DefaultSink Sink = &noopSink{} // TODO(blog): change this default (file in /tmp).
 )
 
-// SetDefaultSink sets the sink where binary logs will be written to.
-//
-// Not thread safe. Only set during initialization.
-func SetDefaultSink(s Sink) {
-	if defaultSink != nil {
-		defaultSink.Close()
-	}
-	defaultSink = s
-}
-
 // Sink writes log entry into the binary log sink.
+//
+// sink is a copy of the exported binarylog.Sink, to avoid circular dependency.
 type Sink interface {
 	// Write will be called to write the log entry into the sink.
 	//
@@ -67,7 +58,7 @@ func (ns *noopSink) Close() error                 { return nil }
 // message is prefixed with a 4 byte big endian unsigned integer as the length.
 //
 // No buffer is done, Close() doesn't try to close the writer.
-func newWriterSink(w io.Writer) *writerSink {
+func newWriterSink(w io.Writer) Sink {
 	return &writerSink{out: w}
 }
 
@@ -78,7 +69,7 @@ type writerSink struct {
 func (ws *writerSink) Write(e *pb.GrpcLogEntry) error {
 	b, err := proto.Marshal(e)
 	if err != nil {
-		grpclog.Infof("binary logging: failed to marshal proto message: %v", err)
+		grpclogLogger.Infof("binary logging: failed to marshal proto message: %v", err)
 	}
 	hdr := make([]byte, 4)
 	binary.BigEndian.PutUint32(hdr, uint32(len(b)))
@@ -93,17 +84,17 @@ func (ws *writerSink) Write(e *pb.GrpcLogEntry) error {
 
 func (ws *writerSink) Close() error { return nil }
 
-type bufWriteCloserSink struct {
+type bufferedSink struct {
 	mu     sync.Mutex
 	closer io.Closer
-	out    *writerSink   // out is built on buf.
+	out    Sink          // out is built on buf.
 	buf    *bufio.Writer // buf is kept for flush.
 
 	writeStartOnce sync.Once
 	writeTicker    *time.Ticker
 }
 
-func (fs *bufWriteCloserSink) Write(e *pb.GrpcLogEntry) error {
+func (fs *bufferedSink) Write(e *pb.GrpcLogEntry) error {
 	// Start the write loop when Write is called.
 	fs.writeStartOnce.Do(fs.startFlushGoroutine)
 	fs.mu.Lock()
@@ -119,44 +110,50 @@ const (
 	bufFlushDuration = 60 * time.Second
 )
 
-func (fs *bufWriteCloserSink) startFlushGoroutine() {
+func (fs *bufferedSink) startFlushGoroutine() {
 	fs.writeTicker = time.NewTicker(bufFlushDuration)
 	go func() {
 		for range fs.writeTicker.C {
 			fs.mu.Lock()
-			fs.buf.Flush()
+			if err := fs.buf.Flush(); err != nil {
+				grpclogLogger.Warningf("failed to flush to Sink: %v", err)
+			}
 			fs.mu.Unlock()
 		}
 	}()
 }
 
-func (fs *bufWriteCloserSink) Close() error {
+func (fs *bufferedSink) Close() error {
 	if fs.writeTicker != nil {
 		fs.writeTicker.Stop()
 	}
 	fs.mu.Lock()
-	fs.buf.Flush()
-	fs.closer.Close()
-	fs.out.Close()
+	if err := fs.buf.Flush(); err != nil {
+		grpclogLogger.Warningf("failed to flush to Sink: %v", err)
+	}
+	if err := fs.closer.Close(); err != nil {
+		grpclogLogger.Warningf("failed to close the underlying WriterCloser: %v", err)
+	}
+	if err := fs.out.Close(); err != nil {
+		grpclogLogger.Warningf("failed to close the Sink: %v", err)
+	}
 	fs.mu.Unlock()
 	return nil
 }
 
-func newBufWriteCloserSink(o io.WriteCloser) Sink {
+// NewBufferedSink creates a binary log sink with the given WriteCloser.
+//
+// Write() marshals the proto message and writes it to the given writer. Each
+// message is prefixed with a 4 byte big endian unsigned integer as the length.
+//
+// Content is kept in a buffer, and is flushed every 60 seconds.
+//
+// Close closes the WriteCloser.
+func NewBufferedSink(o io.WriteCloser) Sink {
 	bufW := bufio.NewWriter(o)
-	return &bufWriteCloserSink{
+	return &bufferedSink{
 		closer: o,
 		out:    newWriterSink(bufW),
 		buf:    bufW,
 	}
 }
-
-// NewTempFileSink creates a temp file and returns a Sink that writes to this
-// file.
-func NewTempFileSink() (Sink, error) {
-	tempFile, err := ioutil.TempFile("/tmp", "grpcgo_binarylog_*.txt")
-	if err != nil {
-		return nil, fmt.Errorf("failed to create temp file: %v", err)
-	}
-	return newBufWriteCloserSink(tempFile), nil
-}
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/util.go b/vendor/google.golang.org/grpc/internal/binarylog/util.go
deleted file mode 100644
index 15dc7803d..000000000
--- a/vendor/google.golang.org/grpc/internal/binarylog/util.go
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- *
- * Copyright 2018 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package binarylog
-
-import (
-	"errors"
-	"strings"
-)
-
-// parseMethodName splits service and method from the input. It expects format
-// "/service/method".
-//
-// TODO: move to internal/grpcutil.
-func parseMethodName(methodName string) (service, method string, _ error) {
-	if !strings.HasPrefix(methodName, "/") {
-		return "", "", errors.New("invalid method name: should start with /")
-	}
-	methodName = methodName[1:]
-
-	pos := strings.LastIndex(methodName, "/")
-	if pos < 0 {
-		return "", "", errors.New("invalid method name: suffix /method is missing")
-	}
-	return methodName[:pos], methodName[pos+1:], nil
-}
diff --git a/vendor/google.golang.org/grpc/internal/channelz/funcs.go b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
index f0744f993..f73141393 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/funcs.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
@@ -216,7 +216,7 @@ func RegisterChannel(c Channel, pid int64, ref string) int64 {
 // by pid). It returns the unique channelz tracking id assigned to this subchannel.
 func RegisterSubChannel(c Channel, pid int64, ref string) int64 {
 	if pid == 0 {
-		grpclog.Error("a SubChannel's parent id cannot be 0")
+		logger.Error("a SubChannel's parent id cannot be 0")
 		return 0
 	}
 	id := idGen.genID()
@@ -253,7 +253,7 @@ func RegisterServer(s Server, ref string) int64 {
 // this listen socket.
 func RegisterListenSocket(s Socket, pid int64, ref string) int64 {
 	if pid == 0 {
-		grpclog.Error("a ListenSocket's parent id cannot be 0")
+		logger.Error("a ListenSocket's parent id cannot be 0")
 		return 0
 	}
 	id := idGen.genID()
@@ -268,7 +268,7 @@ func RegisterListenSocket(s Socket, pid int64, ref string) int64 {
 // this normal socket.
 func RegisterNormalSocket(s Socket, pid int64, ref string) int64 {
 	if pid == 0 {
-		grpclog.Error("a NormalSocket's parent id cannot be 0")
+		logger.Error("a NormalSocket's parent id cannot be 0")
 		return 0
 	}
 	id := idGen.genID()
@@ -294,7 +294,17 @@ type TraceEventDesc struct {
 }
 
 // AddTraceEvent adds trace related to the entity with specified id, using the provided TraceEventDesc.
-func AddTraceEvent(id int64, desc *TraceEventDesc) {
+func AddTraceEvent(l grpclog.DepthLoggerV2, id int64, depth int, desc *TraceEventDesc) {
+	for d := desc; d != nil; d = d.Parent {
+		switch d.Severity {
+		case CtUnknown, CtInfo:
+			l.InfoDepth(depth+1, d.Desc)
+		case CtWarning:
+			l.WarningDepth(depth+1, d.Desc)
+		case CtError:
+			l.ErrorDepth(depth+1, d.Desc)
+		}
+	}
 	if getMaxTraceEntry() == 0 {
 		return
 	}
diff --git a/vendor/google.golang.org/grpc/internal/channelz/logging.go b/vendor/google.golang.org/grpc/internal/channelz/logging.go
new file mode 100644
index 000000000..b0013f9c8
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/channelz/logging.go
@@ -0,0 +1,102 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package channelz
+
+import (
+	"fmt"
+
+	"google.golang.org/grpc/grpclog"
+)
+
+var logger = grpclog.Component("channelz")
+
+// Info logs and adds a trace event if channelz is on.
+func Info(l grpclog.DepthLoggerV2, id int64, args ...interface{}) {
+	if IsOn() {
+		AddTraceEvent(l, id, 1, &TraceEventDesc{
+			Desc:     fmt.Sprint(args...),
+			Severity: CtInfo,
+		})
+	} else {
+		l.InfoDepth(1, args...)
+	}
+}
+
+// Infof logs and adds a trace event if channelz is on.
+func Infof(l grpclog.DepthLoggerV2, id int64, format string, args ...interface{}) {
+	msg := fmt.Sprintf(format, args...)
+	if IsOn() {
+		AddTraceEvent(l, id, 1, &TraceEventDesc{
+			Desc:     msg,
+			Severity: CtInfo,
+		})
+	} else {
+		l.InfoDepth(1, msg)
+	}
+}
+
+// Warning logs and adds a trace event if channelz is on.
+func Warning(l grpclog.DepthLoggerV2, id int64, args ...interface{}) {
+	if IsOn() {
+		AddTraceEvent(l, id, 1, &TraceEventDesc{
+			Desc:     fmt.Sprint(args...),
+			Severity: CtWarning,
+		})
+	} else {
+		l.WarningDepth(1, args...)
+	}
+}
+
+// Warningf logs and adds a trace event if channelz is on.
+func Warningf(l grpclog.DepthLoggerV2, id int64, format string, args ...interface{}) {
+	msg := fmt.Sprintf(format, args...)
+	if IsOn() {
+		AddTraceEvent(l, id, 1, &TraceEventDesc{
+			Desc:     msg,
+			Severity: CtWarning,
+		})
+	} else {
+		l.WarningDepth(1, msg)
+	}
+}
+
+// Error logs and adds a trace event if channelz is on.
+func Error(l grpclog.DepthLoggerV2, id int64, args ...interface{}) {
+	if IsOn() {
+		AddTraceEvent(l, id, 1, &TraceEventDesc{
+			Desc:     fmt.Sprint(args...),
+			Severity: CtError,
+		})
+	} else {
+		l.ErrorDepth(1, args...)
+	}
+}
+
+// Errorf logs and adds a trace event if channelz is on.
+func Errorf(l grpclog.DepthLoggerV2, id int64, format string, args ...interface{}) {
+	msg := fmt.Sprintf(format, args...)
+	if IsOn() {
+		AddTraceEvent(l, id, 1, &TraceEventDesc{
+			Desc:     msg,
+			Severity: CtError,
+		})
+	} else {
+		l.ErrorDepth(1, msg)
+	}
+}
diff --git a/vendor/google.golang.org/grpc/internal/channelz/types.go b/vendor/google.golang.org/grpc/internal/channelz/types.go
index 17c2274cb..3c595d154 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/types.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/types.go
@@ -26,7 +26,6 @@ import (
 
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/grpclog"
 )
 
 // entry represents a node in the channelz database.
@@ -60,17 +59,17 @@ func (d *dummyEntry) addChild(id int64, e entry) {
 	// the addrConn will create a new transport. And when registering the new transport in
 	// channelz, its parent addrConn could have already been torn down and deleted
 	// from channelz tracking, and thus reach the code here.
-	grpclog.Infof("attempt to add child of type %T with id %d to a parent (id=%d) that doesn't currently exist", e, id, d.idNotFound)
+	logger.Infof("attempt to add child of type %T with id %d to a parent (id=%d) that doesn't currently exist", e, id, d.idNotFound)
 }
 
 func (d *dummyEntry) deleteChild(id int64) {
 	// It is possible for a normal program to reach here under race condition.
 	// Refer to the example described in addChild().
-	grpclog.Infof("attempt to delete child with id %d from a parent (id=%d) that doesn't currently exist", id, d.idNotFound)
+	logger.Infof("attempt to delete child with id %d from a parent (id=%d) that doesn't currently exist", id, d.idNotFound)
 }
 
 func (d *dummyEntry) triggerDelete() {
-	grpclog.Warningf("attempt to delete an entry (id=%d) that doesn't currently exist", d.idNotFound)
+	logger.Warningf("attempt to delete an entry (id=%d) that doesn't currently exist", d.idNotFound)
 }
 
 func (*dummyEntry) deleteSelfIfReady() {
@@ -215,7 +214,7 @@ func (c *channel) addChild(id int64, e entry) {
 	case *channel:
 		c.nestedChans[id] = v.refName
 	default:
-		grpclog.Errorf("cannot add a child (id = %d) of type %T to a channel", id, e)
+		logger.Errorf("cannot add a child (id = %d) of type %T to a channel", id, e)
 	}
 }
 
@@ -326,7 +325,7 @@ func (sc *subChannel) addChild(id int64, e entry) {
 	if v, ok := e.(*normalSocket); ok {
 		sc.sockets[id] = v.refName
 	} else {
-		grpclog.Errorf("cannot add a child (id = %d) of type %T to a subChannel", id, e)
+		logger.Errorf("cannot add a child (id = %d) of type %T to a subChannel", id, e)
 	}
 }
 
@@ -493,11 +492,11 @@ type listenSocket struct {
 }
 
 func (ls *listenSocket) addChild(id int64, e entry) {
-	grpclog.Errorf("cannot add a child (id = %d) of type %T to a listen socket", id, e)
+	logger.Errorf("cannot add a child (id = %d) of type %T to a listen socket", id, e)
 }
 
 func (ls *listenSocket) deleteChild(id int64) {
-	grpclog.Errorf("cannot delete a child (id = %d) from a listen socket", id)
+	logger.Errorf("cannot delete a child (id = %d) from a listen socket", id)
 }
 
 func (ls *listenSocket) triggerDelete() {
@@ -506,7 +505,7 @@ func (ls *listenSocket) triggerDelete() {
 }
 
 func (ls *listenSocket) deleteSelfIfReady() {
-	grpclog.Errorf("cannot call deleteSelfIfReady on a listen socket")
+	logger.Errorf("cannot call deleteSelfIfReady on a listen socket")
 }
 
 func (ls *listenSocket) getParentID() int64 {
@@ -522,11 +521,11 @@ type normalSocket struct {
 }
 
 func (ns *normalSocket) addChild(id int64, e entry) {
-	grpclog.Errorf("cannot add a child (id = %d) of type %T to a normal socket", id, e)
+	logger.Errorf("cannot add a child (id = %d) of type %T to a normal socket", id, e)
 }
 
 func (ns *normalSocket) deleteChild(id int64) {
-	grpclog.Errorf("cannot delete a child (id = %d) from a normal socket", id)
+	logger.Errorf("cannot delete a child (id = %d) from a normal socket", id)
 }
 
 func (ns *normalSocket) triggerDelete() {
@@ -535,7 +534,7 @@ func (ns *normalSocket) triggerDelete() {
 }
 
 func (ns *normalSocket) deleteSelfIfReady() {
-	grpclog.Errorf("cannot call deleteSelfIfReady on a normal socket")
+	logger.Errorf("cannot call deleteSelfIfReady on a normal socket")
 }
 
 func (ns *normalSocket) getParentID() int64 {
@@ -594,7 +593,7 @@ func (s *server) addChild(id int64, e entry) {
 	case *listenSocket:
 		s.listenSockets[id] = v.refName
 	default:
-		grpclog.Errorf("cannot add a child (id = %d) of type %T to a server", id, e)
+		logger.Errorf("cannot add a child (id = %d) of type %T to a server", id, e)
 	}
 }
 
@@ -673,10 +672,10 @@ func (c *channelTrace) clear() {
 type Severity int
 
 const (
-	// CtUNKNOWN indicates unknown severity of a trace event.
-	CtUNKNOWN Severity = iota
-	// CtINFO indicates info level severity of a trace event.
-	CtINFO
+	// CtUnknown indicates unknown severity of a trace event.
+	CtUnknown Severity = iota
+	// CtInfo indicates info level severity of a trace event.
+	CtInfo
 	// CtWarning indicates warning level severity of a trace event.
 	CtWarning
 	// CtError indicates error level severity of a trace event.
diff --git a/vendor/google.golang.org/grpc/internal/channelz/types_nonlinux.go b/vendor/google.golang.org/grpc/internal/channelz/types_nonlinux.go
index 79edbefc4..19c2fc521 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/types_nonlinux.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/types_nonlinux.go
@@ -22,8 +22,6 @@ package channelz
 
 import (
 	"sync"
-
-	"google.golang.org/grpc/grpclog"
 )
 
 var once sync.Once
@@ -39,6 +37,6 @@ type SocketOptionData struct {
 // Windows OS doesn't support Socket Option
 func (s *SocketOptionData) Getsockopt(fd uintptr) {
 	once.Do(func() {
-		grpclog.Warningln("Channelz: socket options are not supported on non-linux os and appengine.")
+		logger.Warning("Channelz: socket options are not supported on non-linux os and appengine.")
 	})
 }
diff --git a/vendor/google.golang.org/grpc/internal/credentials/credentials.go b/vendor/google.golang.org/grpc/internal/credentials/credentials.go
new file mode 100644
index 000000000..32c9b5903
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/credentials/credentials.go
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2021 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package credentials
+
+import (
+	"context"
+)
+
+// requestInfoKey is a struct to be used as the key to store RequestInfo in a
+// context.
+type requestInfoKey struct{}
+
+// NewRequestInfoContext creates a context with ri.
+func NewRequestInfoContext(ctx context.Context, ri interface{}) context.Context {
+	return context.WithValue(ctx, requestInfoKey{}, ri)
+}
+
+// RequestInfoFromContext extracts the RequestInfo from ctx.
+func RequestInfoFromContext(ctx context.Context) interface{} {
+	return ctx.Value(requestInfoKey{})
+}
+
+// clientHandshakeInfoKey is a struct used as the key to store
+// ClientHandshakeInfo in a context.
+type clientHandshakeInfoKey struct{}
+
+// ClientHandshakeInfoFromContext extracts the ClientHandshakeInfo from ctx.
+func ClientHandshakeInfoFromContext(ctx context.Context) interface{} {
+	return ctx.Value(clientHandshakeInfoKey{})
+}
+
+// NewClientHandshakeInfoContext creates a context with chi.
+func NewClientHandshakeInfoContext(ctx context.Context, chi interface{}) context.Context {
+	return context.WithValue(ctx, clientHandshakeInfoKey{}, chi)
+}
diff --git a/vendor/google.golang.org/grpc/internal/credentials/spiffe.go b/vendor/google.golang.org/grpc/internal/credentials/spiffe.go
new file mode 100644
index 000000000..be70b6cdf
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/credentials/spiffe.go
@@ -0,0 +1,77 @@
+// +build !appengine
+
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package credentials defines APIs for parsing SPIFFE ID.
+//
+// All APIs in this package are experimental.
+package credentials
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"net/url"
+
+	"google.golang.org/grpc/grpclog"
+)
+
+var logger = grpclog.Component("credentials")
+
+// SPIFFEIDFromState parses the SPIFFE ID from State. If the SPIFFE ID format
+// is invalid, return nil with warning.
+func SPIFFEIDFromState(state tls.ConnectionState) *url.URL {
+	if len(state.PeerCertificates) == 0 || len(state.PeerCertificates[0].URIs) == 0 {
+		return nil
+	}
+	return SPIFFEIDFromCert(state.PeerCertificates[0])
+}
+
+// SPIFFEIDFromCert parses the SPIFFE ID from x509.Certificate. If the SPIFFE
+// ID format is invalid, return nil with warning.
+func SPIFFEIDFromCert(cert *x509.Certificate) *url.URL {
+	if cert == nil || cert.URIs == nil {
+		return nil
+	}
+	var spiffeID *url.URL
+	for _, uri := range cert.URIs {
+		if uri == nil || uri.Scheme != "spiffe" || uri.Opaque != "" || (uri.User != nil && uri.User.Username() != "") {
+			continue
+		}
+		// From this point, we assume the uri is intended for a SPIFFE ID.
+		if len(uri.String()) > 2048 {
+			logger.Warning("invalid SPIFFE ID: total ID length larger than 2048 bytes")
+			return nil
+		}
+		if len(uri.Host) == 0 || len(uri.Path) == 0 {
+			logger.Warning("invalid SPIFFE ID: domain or workload ID is empty")
+			return nil
+		}
+		if len(uri.Host) > 255 {
+			logger.Warning("invalid SPIFFE ID: domain length larger than 255 characters")
+			return nil
+		}
+		// A valid SPIFFE certificate can only have exactly one URI SAN field.
+		if len(cert.URIs) > 1 {
+			logger.Warning("invalid SPIFFE ID: multiple URI SANs")
+			return nil
+		}
+		spiffeID = uri
+	}
+	return spiffeID
+}
diff --git a/vendor/google.golang.org/grpc/internal/transport/log.go b/vendor/google.golang.org/grpc/internal/credentials/spiffe_appengine.go
similarity index 50%
rename from vendor/google.golang.org/grpc/internal/transport/log.go
rename to vendor/google.golang.org/grpc/internal/credentials/spiffe_appengine.go
index 879df80c4..af6f57719 100644
--- a/vendor/google.golang.org/grpc/internal/transport/log.go
+++ b/vendor/google.golang.org/grpc/internal/credentials/spiffe_appengine.go
@@ -1,6 +1,8 @@
+// +build appengine
+
 /*
  *
- * Copyright 2017 gRPC authors.
+ * Copyright 2020 gRPC authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,29 +18,14 @@
  *
  */
 
-// This file contains wrappers for grpclog functions.
-// The transport package only logs to verbose level 2 by default.
+package credentials
 
-package transport
+import (
+	"crypto/tls"
+	"net/url"
+)
 
-import "google.golang.org/grpc/grpclog"
-
-const logLevel = 2
-
-func infof(format string, args ...interface{}) {
-	if grpclog.V(logLevel) {
-		grpclog.Infof(format, args...)
-	}
-}
-
-func warningf(format string, args ...interface{}) {
-	if grpclog.V(logLevel) {
-		grpclog.Warningf(format, args...)
-	}
-}
-
-func errorf(format string, args ...interface{}) {
-	if grpclog.V(logLevel) {
-		grpclog.Errorf(format, args...)
-	}
+// SPIFFEIDFromState is a no-op for appengine builds.
+func SPIFFEIDFromState(state tls.ConnectionState) *url.URL {
+	return nil
 }
diff --git a/vendor/google.golang.org/grpc/credentials/internal/syscallconn.go b/vendor/google.golang.org/grpc/internal/credentials/syscallconn.go
similarity index 96%
rename from vendor/google.golang.org/grpc/credentials/internal/syscallconn.go
rename to vendor/google.golang.org/grpc/internal/credentials/syscallconn.go
index 2f4472bec..f499a614c 100644
--- a/vendor/google.golang.org/grpc/credentials/internal/syscallconn.go
+++ b/vendor/google.golang.org/grpc/internal/credentials/syscallconn.go
@@ -18,8 +18,7 @@
  *
  */
 
-// Package internal contains credentials-internal code.
-package internal
+package credentials
 
 import (
 	"net"
diff --git a/vendor/google.golang.org/grpc/credentials/internal/syscallconn_appengine.go b/vendor/google.golang.org/grpc/internal/credentials/syscallconn_appengine.go
similarity index 97%
rename from vendor/google.golang.org/grpc/credentials/internal/syscallconn_appengine.go
rename to vendor/google.golang.org/grpc/internal/credentials/syscallconn_appengine.go
index d4346e9ea..a6144cd66 100644
--- a/vendor/google.golang.org/grpc/credentials/internal/syscallconn_appengine.go
+++ b/vendor/google.golang.org/grpc/internal/credentials/syscallconn_appengine.go
@@ -18,7 +18,7 @@
  *
  */
 
-package internal
+package credentials
 
 import (
 	"net"
diff --git a/vendor/google.golang.org/grpc/internal/credentials/util.go b/vendor/google.golang.org/grpc/internal/credentials/util.go
new file mode 100644
index 000000000..55664fa46
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/credentials/util.go
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package credentials
+
+import "crypto/tls"
+
+const alpnProtoStrH2 = "h2"
+
+// AppendH2ToNextProtos appends h2 to next protos.
+func AppendH2ToNextProtos(ps []string) []string {
+	for _, p := range ps {
+		if p == alpnProtoStrH2 {
+			return ps
+		}
+	}
+	ret := make([]string, 0, len(ps)+1)
+	ret = append(ret, ps...)
+	return append(ret, alpnProtoStrH2)
+}
+
+// CloneTLSConfig returns a shallow clone of the exported
+// fields of cfg, ignoring the unexported sync.Once, which
+// contains a mutex and must not be copied.
+//
+// If cfg is nil, a new zero tls.Config is returned.
+//
+// TODO: inline this function if possible.
+func CloneTLSConfig(cfg *tls.Config) *tls.Config {
+	if cfg == nil {
+		return &tls.Config{}
+	}
+
+	return cfg.Clone()
+}
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
index ae6c8972f..73931a94b 100644
--- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
+++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
@@ -34,5 +34,5 @@ var (
 	// Retry is set if retry is explicitly enabled via "GRPC_GO_RETRY=on".
 	Retry = strings.EqualFold(os.Getenv(retryStr), "on")
 	// TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
-	TXTErrIgnore = !strings.EqualFold(os.Getenv(retryStr), "false")
+	TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false")
 )
diff --git a/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go b/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go
new file mode 100644
index 000000000..e6f975cbf
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/grpclog/grpclog.go
@@ -0,0 +1,126 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package grpclog (internal) defines depth logging for grpc.
+package grpclog
+
+import (
+	"os"
+)
+
+// Logger is the logger used for the non-depth log functions.
+var Logger LoggerV2
+
+// DepthLogger is the logger used for the depth log functions.
+var DepthLogger DepthLoggerV2
+
+// InfoDepth logs to the INFO log at the specified depth.
+func InfoDepth(depth int, args ...interface{}) {
+	if DepthLogger != nil {
+		DepthLogger.InfoDepth(depth, args...)
+	} else {
+		Logger.Infoln(args...)
+	}
+}
+
+// WarningDepth logs to the WARNING log at the specified depth.
+func WarningDepth(depth int, args ...interface{}) {
+	if DepthLogger != nil {
+		DepthLogger.WarningDepth(depth, args...)
+	} else {
+		Logger.Warningln(args...)
+	}
+}
+
+// ErrorDepth logs to the ERROR log at the specified depth.
+func ErrorDepth(depth int, args ...interface{}) {
+	if DepthLogger != nil {
+		DepthLogger.ErrorDepth(depth, args...)
+	} else {
+		Logger.Errorln(args...)
+	}
+}
+
+// FatalDepth logs to the FATAL log at the specified depth.
+func FatalDepth(depth int, args ...interface{}) {
+	if DepthLogger != nil {
+		DepthLogger.FatalDepth(depth, args...)
+	} else {
+		Logger.Fatalln(args...)
+	}
+	os.Exit(1)
+}
+
+// LoggerV2 does underlying logging work for grpclog.
+// This is a copy of the LoggerV2 defined in the external grpclog package. It
+// is defined here to avoid a circular dependency.
+type LoggerV2 interface {
+	// Info logs to INFO log. Arguments are handled in the manner of fmt.Print.
+	Info(args ...interface{})
+	// Infoln logs to INFO log. Arguments are handled in the manner of fmt.Println.
+	Infoln(args ...interface{})
+	// Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf.
+	Infof(format string, args ...interface{})
+	// Warning logs to WARNING log. Arguments are handled in the manner of fmt.Print.
+	Warning(args ...interface{})
+	// Warningln logs to WARNING log. Arguments are handled in the manner of fmt.Println.
+	Warningln(args ...interface{})
+	// Warningf logs to WARNING log. Arguments are handled in the manner of fmt.Printf.
+	Warningf(format string, args ...interface{})
+	// Error logs to ERROR log. Arguments are handled in the manner of fmt.Print.
+	Error(args ...interface{})
+	// Errorln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
+	Errorln(args ...interface{})
+	// Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
+	Errorf(format string, args ...interface{})
+	// Fatal logs to ERROR log. Arguments are handled in the manner of fmt.Print.
+	// gRPC ensures that all Fatal logs will exit with os.Exit(1).
+	// Implementations may also call os.Exit() with a non-zero exit code.
+	Fatal(args ...interface{})
+	// Fatalln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
+	// gRPC ensures that all Fatal logs will exit with os.Exit(1).
+	// Implementations may also call os.Exit() with a non-zero exit code.
+	Fatalln(args ...interface{})
+	// Fatalf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
+	// gRPC ensures that all Fatal logs will exit with os.Exit(1).
+	// Implementations may also call os.Exit() with a non-zero exit code.
+	Fatalf(format string, args ...interface{})
+	// V reports whether verbosity level l is at least the requested verbose level.
+	V(l int) bool
+}
+
+// DepthLoggerV2 logs at a specified call frame. If a LoggerV2 also implements
+// DepthLoggerV2, the below functions will be called with the appropriate stack
+// depth set for trivial functions the logger may ignore.
+// This is a copy of the DepthLoggerV2 defined in the external grpclog package.
+// It is defined here to avoid a circular dependency.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
+type DepthLoggerV2 interface {
+	// InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	InfoDepth(depth int, args ...interface{})
+	// WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	WarningDepth(depth int, args ...interface{})
+	// ErrorDetph logs to ERROR log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	ErrorDepth(depth int, args ...interface{})
+	// FatalDepth logs to FATAL log at the specified depth. Arguments are handled in the manner of fmt.Print.
+	FatalDepth(depth int, args ...interface{})
+}
diff --git a/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go b/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go
new file mode 100644
index 000000000..82af70e96
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/grpclog/prefixLogger.go
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpclog
+
+import (
+	"fmt"
+)
+
+// PrefixLogger does logging with a prefix.
+//
+// Logging method on a nil logs without any prefix.
+type PrefixLogger struct {
+	logger DepthLoggerV2
+	prefix string
+}
+
+// Infof does info logging.
+func (pl *PrefixLogger) Infof(format string, args ...interface{}) {
+	if pl != nil {
+		// Handle nil, so the tests can pass in a nil logger.
+		format = pl.prefix + format
+		pl.logger.InfoDepth(1, fmt.Sprintf(format, args...))
+		return
+	}
+	InfoDepth(1, fmt.Sprintf(format, args...))
+}
+
+// Warningf does warning logging.
+func (pl *PrefixLogger) Warningf(format string, args ...interface{}) {
+	if pl != nil {
+		format = pl.prefix + format
+		pl.logger.WarningDepth(1, fmt.Sprintf(format, args...))
+		return
+	}
+	WarningDepth(1, fmt.Sprintf(format, args...))
+}
+
+// Errorf does error logging.
+func (pl *PrefixLogger) Errorf(format string, args ...interface{}) {
+	if pl != nil {
+		format = pl.prefix + format
+		pl.logger.ErrorDepth(1, fmt.Sprintf(format, args...))
+		return
+	}
+	ErrorDepth(1, fmt.Sprintf(format, args...))
+}
+
+// Debugf does info logging at verbose level 2.
+func (pl *PrefixLogger) Debugf(format string, args ...interface{}) {
+	if !Logger.V(2) {
+		return
+	}
+	if pl != nil {
+		// Handle nil, so the tests can pass in a nil logger.
+		format = pl.prefix + format
+		pl.logger.InfoDepth(1, fmt.Sprintf(format, args...))
+		return
+	}
+	InfoDepth(1, fmt.Sprintf(format, args...))
+}
+
+// NewPrefixLogger creates a prefix logger with the given prefix.
+func NewPrefixLogger(logger DepthLoggerV2, prefix string) *PrefixLogger {
+	return &PrefixLogger{logger: logger, prefix: prefix}
+}
diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/encode_duration.go b/vendor/google.golang.org/grpc/internal/grpcutil/encode_duration.go
new file mode 100644
index 000000000..b25b0baec
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/grpcutil/encode_duration.go
@@ -0,0 +1,63 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpcutil
+
+import (
+	"strconv"
+	"time"
+)
+
+const maxTimeoutValue int64 = 100000000 - 1
+
+// div does integer division and round-up the result. Note that this is
+// equivalent to (d+r-1)/r but has less chance to overflow.
+func div(d, r time.Duration) int64 {
+	if d%r > 0 {
+		return int64(d/r + 1)
+	}
+	return int64(d / r)
+}
+
+// EncodeDuration encodes the duration to the format grpc-timeout header
+// accepts.
+//
+// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests
+func EncodeDuration(t time.Duration) string {
+	// TODO: This is simplistic and not bandwidth efficient. Improve it.
+	if t <= 0 {
+		return "0n"
+	}
+	if d := div(t, time.Nanosecond); d <= maxTimeoutValue {
+		return strconv.FormatInt(d, 10) + "n"
+	}
+	if d := div(t, time.Microsecond); d <= maxTimeoutValue {
+		return strconv.FormatInt(d, 10) + "u"
+	}
+	if d := div(t, time.Millisecond); d <= maxTimeoutValue {
+		return strconv.FormatInt(d, 10) + "m"
+	}
+	if d := div(t, time.Second); d <= maxTimeoutValue {
+		return strconv.FormatInt(d, 10) + "S"
+	}
+	if d := div(t, time.Minute); d <= maxTimeoutValue {
+		return strconv.FormatInt(d, 10) + "M"
+	}
+	// Note that maxTimeoutValue * time.Hour > MaxInt64.
+	return strconv.FormatInt(div(t, time.Hour), 10) + "H"
+}
diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/metadata.go b/vendor/google.golang.org/grpc/internal/grpcutil/metadata.go
new file mode 100644
index 000000000..6f22bd891
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/grpcutil/metadata.go
@@ -0,0 +1,40 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpcutil
+
+import (
+	"context"
+
+	"google.golang.org/grpc/metadata"
+)
+
+type mdExtraKey struct{}
+
+// WithExtraMetadata creates a new context with incoming md attached.
+func WithExtraMetadata(ctx context.Context, md metadata.MD) context.Context {
+	return context.WithValue(ctx, mdExtraKey{}, md)
+}
+
+// ExtraMetadata returns the incoming metadata in ctx if it exists.  The
+// returned MD should not be modified. Writing to it may cause races.
+// Modification should be made to copies of the returned MD.
+func ExtraMetadata(ctx context.Context) (md metadata.MD, ok bool) {
+	md, ok = ctx.Value(mdExtraKey{}).(metadata.MD)
+	return
+}
diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/method.go b/vendor/google.golang.org/grpc/internal/grpcutil/method.go
new file mode 100644
index 000000000..4e7475060
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/grpcutil/method.go
@@ -0,0 +1,84 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpcutil
+
+import (
+	"errors"
+	"strings"
+)
+
+// ParseMethod splits service and method from the input. It expects format
+// "/service/method".
+//
+func ParseMethod(methodName string) (service, method string, _ error) {
+	if !strings.HasPrefix(methodName, "/") {
+		return "", "", errors.New("invalid method name: should start with /")
+	}
+	methodName = methodName[1:]
+
+	pos := strings.LastIndex(methodName, "/")
+	if pos < 0 {
+		return "", "", errors.New("invalid method name: suffix /method is missing")
+	}
+	return methodName[:pos], methodName[pos+1:], nil
+}
+
+const baseContentType = "application/grpc"
+
+// ContentSubtype returns the content-subtype for the given content-type.  The
+// given content-type must be a valid content-type that starts with
+// "application/grpc". A content-subtype will follow "application/grpc" after a
+// "+" or ";". See
+// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
+// more details.
+//
+// If contentType is not a valid content-type for gRPC, the boolean
+// will be false, otherwise true. If content-type == "application/grpc",
+// "application/grpc+", or "application/grpc;", the boolean will be true,
+// but no content-subtype will be returned.
+//
+// contentType is assumed to be lowercase already.
+func ContentSubtype(contentType string) (string, bool) {
+	if contentType == baseContentType {
+		return "", true
+	}
+	if !strings.HasPrefix(contentType, baseContentType) {
+		return "", false
+	}
+	// guaranteed since != baseContentType and has baseContentType prefix
+	switch contentType[len(baseContentType)] {
+	case '+', ';':
+		// this will return true for "application/grpc+" or "application/grpc;"
+		// which the previous validContentType function tested to be valid, so we
+		// just say that no content-subtype is specified in this case
+		return contentType[len(baseContentType)+1:], true
+	default:
+		return "", false
+	}
+}
+
+// ContentType builds full content type with the given sub-type.
+//
+// contentSubtype is assumed to be lowercase
+func ContentType(contentSubtype string) string {
+	if contentSubtype == "" {
+		return baseContentType
+	}
+	return baseContentType + "+" + contentSubtype
+}
diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/target.go b/vendor/google.golang.org/grpc/internal/grpcutil/target.go
new file mode 100644
index 000000000..8833021da
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/grpcutil/target.go
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package grpcutil provides a bunch of utility functions to be used across the
+// gRPC codebase.
+package grpcutil
+
+import (
+	"strings"
+
+	"google.golang.org/grpc/resolver"
+)
+
+// split2 returns the values from strings.SplitN(s, sep, 2).
+// If sep is not found, it returns ("", "", false) instead.
+func split2(s, sep string) (string, string, bool) {
+	spl := strings.SplitN(s, sep, 2)
+	if len(spl) < 2 {
+		return "", "", false
+	}
+	return spl[0], spl[1], true
+}
+
+// ParseTarget splits target into a resolver.Target struct containing scheme,
+// authority and endpoint. skipUnixColonParsing indicates that the parse should
+// not parse "unix:[path]" cases. This should be true in cases where a custom
+// dialer is present, to prevent a behavior change.
+//
+// If target is not a valid scheme://authority/endpoint as specified in
+// https://github.com/grpc/grpc/blob/master/doc/naming.md,
+// it returns {Endpoint: target}.
+func ParseTarget(target string, skipUnixColonParsing bool) (ret resolver.Target) {
+	var ok bool
+	if strings.HasPrefix(target, "unix-abstract:") {
+		if strings.HasPrefix(target, "unix-abstract://") {
+			// Maybe, with Authority specified, try to parse it
+			var remain string
+			ret.Scheme, remain, _ = split2(target, "://")
+			ret.Authority, ret.Endpoint, ok = split2(remain, "/")
+			if !ok {
+				// No Authority, add the "//" back
+				ret.Endpoint = "//" + remain
+			} else {
+				// Found Authority, add the "/" back
+				ret.Endpoint = "/" + ret.Endpoint
+			}
+		} else {
+			// Without Authority specified, split target on ":"
+			ret.Scheme, ret.Endpoint, _ = split2(target, ":")
+		}
+		return ret
+	}
+	ret.Scheme, ret.Endpoint, ok = split2(target, "://")
+	if !ok {
+		if strings.HasPrefix(target, "unix:") && !skipUnixColonParsing {
+			// Handle the "unix:[local/path]" and "unix:[/absolute/path]" cases,
+			// because splitting on :// only handles the
+			// "unix://[/absolute/path]" case. Only handle if the dialer is nil,
+			// to avoid a behavior change with custom dialers.
+			return resolver.Target{Scheme: "unix", Endpoint: target[len("unix:"):]}
+		}
+		return resolver.Target{Endpoint: target}
+	}
+	ret.Authority, ret.Endpoint, ok = split2(ret.Endpoint, "/")
+	if !ok {
+		return resolver.Target{Endpoint: target}
+	}
+	if ret.Scheme == "unix" {
+		// Add the "/" back in the unix case, so the unix resolver receives the
+		// actual endpoint in the "unix://[/absolute/path]" case.
+		ret.Endpoint = "/" + ret.Endpoint
+	}
+	return ret
+}
diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go
index 0912f0bf4..1b596bf35 100644
--- a/vendor/google.golang.org/grpc/internal/internal.go
+++ b/vendor/google.golang.org/grpc/internal/internal.go
@@ -25,6 +25,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/serviceconfig"
 )
 
 var (
@@ -37,17 +38,32 @@ var (
 	// KeepaliveMinPingTime is the minimum ping interval.  This must be 10s by
 	// default, but tests may wish to set it lower for convenience.
 	KeepaliveMinPingTime = 10 * time.Second
-	// StatusRawProto is exported by status/status.go. This func returns a
-	// pointer to the wrapped Status proto for a given status.Status without a
-	// call to proto.Clone(). The returned Status proto should not be mutated by
-	// the caller.
-	StatusRawProto interface{} // func (*status.Status) *spb.Status
-	// NewRequestInfoContext creates a new context based on the argument context attaching
-	// the passed in RequestInfo to the new context.
-	NewRequestInfoContext interface{} // func(context.Context, credentials.RequestInfo) context.Context
 	// ParseServiceConfigForTesting is for creating a fake
 	// ClientConn for resolver testing only
 	ParseServiceConfigForTesting interface{} // func(string) *serviceconfig.ParseResult
+	// EqualServiceConfigForTesting is for testing service config generation and
+	// parsing. Both a and b should be returned by ParseServiceConfigForTesting.
+	// This function compares the config without rawJSON stripped, in case the
+	// there's difference in white space.
+	EqualServiceConfigForTesting func(a, b serviceconfig.Config) bool
+	// GetCertificateProviderBuilder returns the registered builder for the
+	// given name. This is set by package certprovider for use from xDS
+	// bootstrap code while parsing certificate provider configs in the
+	// bootstrap file.
+	GetCertificateProviderBuilder interface{} // func(string) certprovider.Builder
+	// GetXDSHandshakeInfoForTesting returns a pointer to the xds.HandshakeInfo
+	// stored in the passed in attributes. This is set by
+	// credentials/xds/xds.go.
+	GetXDSHandshakeInfoForTesting interface{} // func (*attributes.Attributes) *xds.HandshakeInfo
+	// GetServerCredentials returns the transport credentials configured on a
+	// gRPC server. An xDS-enabled server needs to know what type of credentials
+	// is configured on the underlying gRPC server. This is set by server.go.
+	GetServerCredentials interface{} // func (*grpc.Server) credentials.TransportCredentials
+	// DrainServerTransports initiates a graceful close of existing connections
+	// on a gRPC server accepted on the provided listener address. An
+	// xDS-enabled server invokes this method on a grpc.Server when a particular
+	// listener moves to "not-serving" mode.
+	DrainServerTransports interface{} // func(*grpc.Server, string)
 )
 
 // HealthChecker defines the signature of the client-side LB channel health checking function.
diff --git a/vendor/google.golang.org/grpc/internal/metadata/metadata.go b/vendor/google.golang.org/grpc/internal/metadata/metadata.go
new file mode 100644
index 000000000..302262613
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/metadata/metadata.go
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package metadata contains functions to set and get metadata from addresses.
+//
+// This package is experimental.
+package metadata
+
+import (
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/resolver"
+)
+
+type mdKeyType string
+
+const mdKey = mdKeyType("grpc.internal.address.metadata")
+
+// Get returns the metadata of addr.
+func Get(addr resolver.Address) metadata.MD {
+	attrs := addr.Attributes
+	if attrs == nil {
+		return nil
+	}
+	md, _ := attrs.Value(mdKey).(metadata.MD)
+	return md
+}
+
+// Set sets (overrides) the metadata in addr.
+//
+// When a SubConn is created with this address, the RPCs sent on it will all
+// have this metadata.
+func Set(addr resolver.Address, md metadata.MD) resolver.Address {
+	addr.Attributes = addr.Attributes.WithValues(mdKey, md)
+	return addr
+}
diff --git a/vendor/google.golang.org/grpc/internal/resolver/config_selector.go b/vendor/google.golang.org/grpc/internal/resolver/config_selector.go
new file mode 100644
index 000000000..5e7f36703
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/resolver/config_selector.go
@@ -0,0 +1,164 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package resolver provides internal resolver-related functionality.
+package resolver
+
+import (
+	"context"
+	"sync"
+
+	"google.golang.org/grpc/internal/serviceconfig"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/resolver"
+)
+
+// ConfigSelector controls what configuration to use for every RPC.
+type ConfigSelector interface {
+	// Selects the configuration for the RPC, or terminates it using the error.
+	// This error will be converted by the gRPC library to a status error with
+	// code UNKNOWN if it is not returned as a status error.
+	SelectConfig(RPCInfo) (*RPCConfig, error)
+}
+
+// RPCInfo contains RPC information needed by a ConfigSelector.
+type RPCInfo struct {
+	// Context is the user's context for the RPC and contains headers and
+	// application timeout.  It is passed for interception purposes and for
+	// efficiency reasons.  SelectConfig should not be blocking.
+	Context context.Context
+	Method  string // i.e. "/Service/Method"
+}
+
+// RPCConfig describes the configuration to use for each RPC.
+type RPCConfig struct {
+	// The context to use for the remainder of the RPC; can pass info to LB
+	// policy or affect timeout or metadata.
+	Context      context.Context
+	MethodConfig serviceconfig.MethodConfig // configuration to use for this RPC
+	OnCommitted  func()                     // Called when the RPC has been committed (retries no longer possible)
+	Interceptor  ClientInterceptor
+}
+
+// ClientStream is the same as grpc.ClientStream, but defined here for circular
+// dependency reasons.
+type ClientStream interface {
+	// Header returns the header metadata received from the server if there
+	// is any. It blocks if the metadata is not ready to read.
+	Header() (metadata.MD, error)
+	// Trailer returns the trailer metadata from the server, if there is any.
+	// It must only be called after stream.CloseAndRecv has returned, or
+	// stream.Recv has returned a non-nil error (including io.EOF).
+	Trailer() metadata.MD
+	// CloseSend closes the send direction of the stream. It closes the stream
+	// when non-nil error is met. It is also not safe to call CloseSend
+	// concurrently with SendMsg.
+	CloseSend() error
+	// Context returns the context for this stream.
+	//
+	// It should not be called until after Header or RecvMsg has returned. Once
+	// called, subsequent client-side retries are disabled.
+	Context() context.Context
+	// SendMsg is generally called by generated code. On error, SendMsg aborts
+	// the stream. If the error was generated by the client, the status is
+	// returned directly; otherwise, io.EOF is returned and the status of
+	// the stream may be discovered using RecvMsg.
+	//
+	// SendMsg blocks until:
+	//   - There is sufficient flow control to schedule m with the transport, or
+	//   - The stream is done, or
+	//   - The stream breaks.
+	//
+	// SendMsg does not wait until the message is received by the server. An
+	// untimely stream closure may result in lost messages. To ensure delivery,
+	// users should ensure the RPC completed successfully using RecvMsg.
+	//
+	// It is safe to have a goroutine calling SendMsg and another goroutine
+	// calling RecvMsg on the same stream at the same time, but it is not safe
+	// to call SendMsg on the same stream in different goroutines. It is also
+	// not safe to call CloseSend concurrently with SendMsg.
+	SendMsg(m interface{}) error
+	// RecvMsg blocks until it receives a message into m or the stream is
+	// done. It returns io.EOF when the stream completes successfully. On
+	// any other error, the stream is aborted and the error contains the RPC
+	// status.
+	//
+	// It is safe to have a goroutine calling SendMsg and another goroutine
+	// calling RecvMsg on the same stream at the same time, but it is not
+	// safe to call RecvMsg on the same stream in different goroutines.
+	RecvMsg(m interface{}) error
+}
+
+// ClientInterceptor is an interceptor for gRPC client streams.
+type ClientInterceptor interface {
+	// NewStream produces a ClientStream for an RPC which may optionally use
+	// the provided function to produce a stream for delegation.  Note:
+	// RPCInfo.Context should not be used (will be nil).
+	//
+	// done is invoked when the RPC is finished using its connection, or could
+	// not be assigned a connection.  RPC operations may still occur on
+	// ClientStream after done is called, since the interceptor is invoked by
+	// application-layer operations.  done must never be nil when called.
+	NewStream(ctx context.Context, ri RPCInfo, done func(), newStream func(ctx context.Context, done func()) (ClientStream, error)) (ClientStream, error)
+}
+
+// ServerInterceptor is unimplementable; do not use.
+type ServerInterceptor interface {
+	notDefined()
+}
+
+type csKeyType string
+
+const csKey = csKeyType("grpc.internal.resolver.configSelector")
+
+// SetConfigSelector sets the config selector in state and returns the new
+// state.
+func SetConfigSelector(state resolver.State, cs ConfigSelector) resolver.State {
+	state.Attributes = state.Attributes.WithValues(csKey, cs)
+	return state
+}
+
+// GetConfigSelector retrieves the config selector from state, if present, and
+// returns it or nil if absent.
+func GetConfigSelector(state resolver.State) ConfigSelector {
+	cs, _ := state.Attributes.Value(csKey).(ConfigSelector)
+	return cs
+}
+
+// SafeConfigSelector allows for safe switching of ConfigSelector
+// implementations such that previous values are guaranteed to not be in use
+// when UpdateConfigSelector returns.
+type SafeConfigSelector struct {
+	mu sync.RWMutex
+	cs ConfigSelector
+}
+
+// UpdateConfigSelector swaps to the provided ConfigSelector and blocks until
+// all uses of the previous ConfigSelector have completed.
+func (scs *SafeConfigSelector) UpdateConfigSelector(cs ConfigSelector) {
+	scs.mu.Lock()
+	defer scs.mu.Unlock()
+	scs.cs = cs
+}
+
+// SelectConfig defers to the current ConfigSelector in scs.
+func (scs *SafeConfigSelector) SelectConfig(r RPCInfo) (*RPCConfig, error) {
+	scs.mu.RLock()
+	defer scs.mu.RUnlock()
+	return scs.cs.SelectConfig(r)
+}
diff --git a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go
index c368db62e..03825bbe7 100644
--- a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go
+++ b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go
@@ -32,7 +32,9 @@ import (
 	"sync"
 	"time"
 
+	grpclbstate "google.golang.org/grpc/balancer/grpclb/state"
 	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/internal/backoff"
 	"google.golang.org/grpc/internal/envconfig"
 	"google.golang.org/grpc/internal/grpcrand"
 	"google.golang.org/grpc/resolver"
@@ -43,6 +45,15 @@ import (
 // addresses from SRV records.  Must not be changed after init time.
 var EnableSRVLookups = false
 
+var logger = grpclog.Component("dns")
+
+// Globals to stub out in tests. TODO: Perhaps these two can be combined into a
+// single variable for testing the resolver?
+var (
+	newTimer           = time.NewTimer
+	newTimerDNSResRate = time.NewTimer
+)
+
 func init() {
 	resolver.Register(NewBuilder())
 }
@@ -140,7 +151,6 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts
 
 	d.wg.Add(1)
 	go d.watcher()
-	d.ResolveNow(resolver.ResolveNowOptions{})
 	return d, nil
 }
 
@@ -198,28 +208,38 @@ func (d *dnsResolver) Close() {
 
 func (d *dnsResolver) watcher() {
 	defer d.wg.Done()
+	backoffIndex := 1
 	for {
-		select {
-		case <-d.ctx.Done():
-			return
-		case <-d.rn:
-		}
-
 		state, err := d.lookup()
 		if err != nil {
+			// Report error to the underlying grpc.ClientConn.
 			d.cc.ReportError(err)
 		} else {
-			d.cc.UpdateState(*state)
+			err = d.cc.UpdateState(*state)
 		}
 
-		// Sleep to prevent excessive re-resolutions. Incoming resolution requests
-		// will be queued in d.rn.
-		t := time.NewTimer(minDNSResRate)
+		var timer *time.Timer
+		if err == nil {
+			// Success resolving, wait for the next ResolveNow. However, also wait 30 seconds at the very least
+			// to prevent constantly re-resolving.
+			backoffIndex = 1
+			timer = newTimerDNSResRate(minDNSResRate)
+			select {
+			case <-d.ctx.Done():
+				timer.Stop()
+				return
+			case <-d.rn:
+			}
+		} else {
+			// Poll on an error found in DNS Resolver or an error received from ClientConn.
+			timer = newTimer(backoff.DefaultExponential.Backoff(backoffIndex))
+			backoffIndex++
+		}
 		select {
-		case <-t.C:
 		case <-d.ctx.Done():
-			t.Stop()
+			timer.Stop()
 			return
+		case <-timer.C:
 		}
 	}
 }
@@ -251,7 +271,7 @@ func (d *dnsResolver) lookupSRV() ([]resolver.Address, error) {
 				return nil, fmt.Errorf("dns: error parsing A record IP address %v", a)
 			}
 			addr := ip + ":" + strconv.Itoa(int(s.Port))
-			newAddrs = append(newAddrs, resolver.Address{Addr: addr, Type: resolver.GRPCLB, ServerName: s.Target})
+			newAddrs = append(newAddrs, resolver.Address{Addr: addr, ServerName: s.Target})
 		}
 	}
 	return newAddrs, nil
@@ -271,7 +291,7 @@ func handleDNSError(err error, lookupType string) error {
 	err = filterError(err)
 	if err != nil {
 		err = fmt.Errorf("dns: %v record lookup error: %v", lookupType, err)
-		grpclog.Infoln(err)
+		logger.Info(err)
 	}
 	return err
 }
@@ -294,7 +314,7 @@ func (d *dnsResolver) lookupTXT() *serviceconfig.ParseResult {
 
 	// TXT record must have "grpc_config=" attribute in order to be used as service config.
 	if !strings.HasPrefix(res, txtAttribute) {
-		grpclog.Warningf("dns: TXT record %v missing %v attribute", res, txtAttribute)
+		logger.Warningf("dns: TXT record %v missing %v attribute", res, txtAttribute)
 		// This is not an error; it is the equivalent of not having a service config.
 		return nil
 	}
@@ -326,13 +346,15 @@ func (d *dnsResolver) lookup() (*resolver.State, error) {
 	if hostErr != nil && (srvErr != nil || len(srv) == 0) {
 		return nil, hostErr
 	}
-	state := &resolver.State{
-		Addresses: append(addrs, srv...),
+
+	state := resolver.State{Addresses: addrs}
+	if len(srv) > 0 {
+		state = grpclbstate.Set(state, &grpclbstate.State{BalancerAddresses: srv})
 	}
 	if !d.disableServiceConfig {
 		state.ServiceConfig = d.lookupTXT()
 	}
-	return state, nil
+	return &state, nil
 }
 
 // formatIP returns ok = false if addr is not a valid textual representation of an IP address.
@@ -418,12 +440,12 @@ func canaryingSC(js string) string {
 	var rcs []rawChoice
 	err := json.Unmarshal([]byte(js), &rcs)
 	if err != nil {
-		grpclog.Warningf("dns: error parsing service config json: %v", err)
+		logger.Warningf("dns: error parsing service config json: %v", err)
 		return ""
 	}
 	cliHostname, err := os.Hostname()
 	if err != nil {
-		grpclog.Warningf("dns: error getting client hostname: %v", err)
+		logger.Warningf("dns: error getting client hostname: %v", err)
 		return ""
 	}
 	var sc string
diff --git a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
new file mode 100644
index 000000000..0d5a811dd
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go
@@ -0,0 +1,63 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package unix implements a resolver for unix targets.
+package unix
+
+import (
+	"fmt"
+
+	"google.golang.org/grpc/internal/transport/networktype"
+	"google.golang.org/grpc/resolver"
+)
+
+const unixScheme = "unix"
+const unixAbstractScheme = "unix-abstract"
+
+type builder struct {
+	scheme string
+}
+
+func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolver.BuildOptions) (resolver.Resolver, error) {
+	if target.Authority != "" {
+		return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.Authority)
+	}
+	addr := resolver.Address{Addr: target.Endpoint}
+	if b.scheme == unixAbstractScheme {
+		// prepend "\x00" to address for unix-abstract
+		addr.Addr = "\x00" + addr.Addr
+	}
+	cc.UpdateState(resolver.State{Addresses: []resolver.Address{networktype.Set(addr, "unix")}})
+	return &nopResolver{}, nil
+}
+
+func (b *builder) Scheme() string {
+	return b.scheme
+}
+
+type nopResolver struct {
+}
+
+func (*nopResolver) ResolveNow(resolver.ResolveNowOptions) {}
+
+func (*nopResolver) Close() {}
+
+func init() {
+	resolver.Register(&builder{scheme: unixScheme})
+	resolver.Register(&builder{scheme: unixAbstractScheme})
+}
diff --git a/vendor/google.golang.org/grpc/internal/serviceconfig/serviceconfig.go b/vendor/google.golang.org/grpc/internal/serviceconfig/serviceconfig.go
new file mode 100644
index 000000000..c0634d152
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/serviceconfig/serviceconfig.go
@@ -0,0 +1,178 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package serviceconfig contains utility functions to parse service config.
+package serviceconfig
+
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	externalserviceconfig "google.golang.org/grpc/serviceconfig"
+)
+
+var logger = grpclog.Component("core")
+
+// BalancerConfig wraps the name and config associated with one load balancing
+// policy. It corresponds to a single entry of the loadBalancingConfig field
+// from ServiceConfig.
+//
+// It implements the json.Unmarshaler interface.
+//
+// https://github.com/grpc/grpc-proto/blob/54713b1e8bc6ed2d4f25fb4dff527842150b91b2/grpc/service_config/service_config.proto#L247
+type BalancerConfig struct {
+	Name   string
+	Config externalserviceconfig.LoadBalancingConfig
+}
+
+type intermediateBalancerConfig []map[string]json.RawMessage
+
+// MarshalJSON implements the json.Marshaler interface.
+//
+// It marshals the balancer and config into a length-1 slice
+// ([]map[string]config).
+func (bc *BalancerConfig) MarshalJSON() ([]byte, error) {
+	if bc.Config == nil {
+		// If config is nil, return empty config `{}`.
+		return []byte(fmt.Sprintf(`[{%q: %v}]`, bc.Name, "{}")), nil
+	}
+	c, err := json.Marshal(bc.Config)
+	if err != nil {
+		return nil, err
+	}
+	return []byte(fmt.Sprintf(`[{%q: %s}]`, bc.Name, c)), nil
+}
+
+// UnmarshalJSON implements the json.Unmarshaler interface.
+//
+// ServiceConfig contains a list of loadBalancingConfigs, each with a name and
+// config. This method iterates through that list in order, and stops at the
+// first policy that is supported.
+// - If the config for the first supported policy is invalid, the whole service
+//   config is invalid.
+// - If the list doesn't contain any supported policy, the whole service config
+//   is invalid.
+func (bc *BalancerConfig) UnmarshalJSON(b []byte) error {
+	var ir intermediateBalancerConfig
+	err := json.Unmarshal(b, &ir)
+	if err != nil {
+		return err
+	}
+
+	for i, lbcfg := range ir {
+		if len(lbcfg) != 1 {
+			return fmt.Errorf("invalid loadBalancingConfig: entry %v does not contain exactly 1 policy/config pair: %q", i, lbcfg)
+		}
+
+		var (
+			name    string
+			jsonCfg json.RawMessage
+		)
+		// Get the key:value pair from the map. We have already made sure that
+		// the map contains a single entry.
+		for name, jsonCfg = range lbcfg {
+		}
+
+		builder := balancer.Get(name)
+		if builder == nil {
+			// If the balancer is not registered, move on to the next config.
+			// This is not an error.
+			continue
+		}
+		bc.Name = name
+
+		parser, ok := builder.(balancer.ConfigParser)
+		if !ok {
+			if string(jsonCfg) != "{}" {
+				logger.Warningf("non-empty balancer configuration %q, but balancer does not implement ParseConfig", string(jsonCfg))
+			}
+			// Stop at this, though the builder doesn't support parsing config.
+			return nil
+		}
+
+		cfg, err := parser.ParseConfig(jsonCfg)
+		if err != nil {
+			return fmt.Errorf("error parsing loadBalancingConfig for policy %q: %v", name, err)
+		}
+		bc.Config = cfg
+		return nil
+	}
+	// This is reached when the for loop iterates over all entries, but didn't
+	// return. This means we had a loadBalancingConfig slice but did not
+	// encounter a registered policy. The config is considered invalid in this
+	// case.
+	return fmt.Errorf("invalid loadBalancingConfig: no supported policies found")
+}
+
+// MethodConfig defines the configuration recommended by the service providers for a
+// particular method.
+type MethodConfig struct {
+	// WaitForReady indicates whether RPCs sent to this method should wait until
+	// the connection is ready by default (!failfast). The value specified via the
+	// gRPC client API will override the value set here.
+	WaitForReady *bool
+	// Timeout is the default timeout for RPCs sent to this method. The actual
+	// deadline used will be the minimum of the value specified here and the value
+	// set by the application via the gRPC client API.  If either one is not set,
+	// then the other will be used.  If neither is set, then the RPC has no deadline.
+	Timeout *time.Duration
+	// MaxReqSize is the maximum allowed payload size for an individual request in a
+	// stream (client->server) in bytes. The size which is measured is the serialized
+	// payload after per-message compression (but before stream compression) in bytes.
+	// The actual value used is the minimum of the value specified here and the value set
+	// by the application via the gRPC client API. If either one is not set, then the other
+	// will be used.  If neither is set, then the built-in default is used.
+	MaxReqSize *int
+	// MaxRespSize is the maximum allowed payload size for an individual response in a
+	// stream (server->client) in bytes.
+	MaxRespSize *int
+	// RetryPolicy configures retry options for the method.
+	RetryPolicy *RetryPolicy
+}
+
+// RetryPolicy defines the go-native version of the retry policy defined by the
+// service config here:
+// https://github.com/grpc/proposal/blob/master/A6-client-retries.md#integration-with-service-config
+type RetryPolicy struct {
+	// MaxAttempts is the maximum number of attempts, including the original RPC.
+	//
+	// This field is required and must be two or greater.
+	MaxAttempts int
+
+	// Exponential backoff parameters. The initial retry attempt will occur at
+	// random(0, initialBackoff). In general, the nth attempt will occur at
+	// random(0,
+	//   min(initialBackoff*backoffMultiplier**(n-1), maxBackoff)).
+	//
+	// These fields are required and must be greater than zero.
+	InitialBackoff    time.Duration
+	MaxBackoff        time.Duration
+	BackoffMultiplier float64
+
+	// The set of status codes which may be retried.
+	//
+	// Status codes are specified as strings, e.g., "UNAVAILABLE".
+	//
+	// This field is required and must be non-empty.
+	// Note: a set is used to store this for easy lookup.
+	RetryableStatusCodes map[codes.Code]bool
+}
diff --git a/vendor/google.golang.org/grpc/internal/status/status.go b/vendor/google.golang.org/grpc/internal/status/status.go
new file mode 100644
index 000000000..710223b8d
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/status/status.go
@@ -0,0 +1,162 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package status implements errors returned by gRPC.  These errors are
+// serialized and transmitted on the wire between server and client, and allow
+// for additional data to be transmitted via the Details field in the status
+// proto.  gRPC service handlers should return an error created by this
+// package, and gRPC clients should expect a corresponding error to be
+// returned from the RPC call.
+//
+// This package upholds the invariants that a non-nil error may not
+// contain an OK code, and an OK code must result in a nil error.
+package status
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes"
+	spb "google.golang.org/genproto/googleapis/rpc/status"
+	"google.golang.org/grpc/codes"
+)
+
+// Status represents an RPC status code, message, and details.  It is immutable
+// and should be created with New, Newf, or FromProto.
+type Status struct {
+	s *spb.Status
+}
+
+// New returns a Status representing c and msg.
+func New(c codes.Code, msg string) *Status {
+	return &Status{s: &spb.Status{Code: int32(c), Message: msg}}
+}
+
+// Newf returns New(c, fmt.Sprintf(format, a...)).
+func Newf(c codes.Code, format string, a ...interface{}) *Status {
+	return New(c, fmt.Sprintf(format, a...))
+}
+
+// FromProto returns a Status representing s.
+func FromProto(s *spb.Status) *Status {
+	return &Status{s: proto.Clone(s).(*spb.Status)}
+}
+
+// Err returns an error representing c and msg.  If c is OK, returns nil.
+func Err(c codes.Code, msg string) error {
+	return New(c, msg).Err()
+}
+
+// Errorf returns Error(c, fmt.Sprintf(format, a...)).
+func Errorf(c codes.Code, format string, a ...interface{}) error {
+	return Err(c, fmt.Sprintf(format, a...))
+}
+
+// Code returns the status code contained in s.
+func (s *Status) Code() codes.Code {
+	if s == nil || s.s == nil {
+		return codes.OK
+	}
+	return codes.Code(s.s.Code)
+}
+
+// Message returns the message contained in s.
+func (s *Status) Message() string {
+	if s == nil || s.s == nil {
+		return ""
+	}
+	return s.s.Message
+}
+
+// Proto returns s's status as an spb.Status proto message.
+func (s *Status) Proto() *spb.Status {
+	if s == nil {
+		return nil
+	}
+	return proto.Clone(s.s).(*spb.Status)
+}
+
+// Err returns an immutable error representing s; returns nil if s.Code() is OK.
+func (s *Status) Err() error {
+	if s.Code() == codes.OK {
+		return nil
+	}
+	return &Error{e: s.Proto()}
+}
+
+// WithDetails returns a new status with the provided details messages appended to the status.
+// If any errors are encountered, it returns nil and the first error encountered.
+func (s *Status) WithDetails(details ...proto.Message) (*Status, error) {
+	if s.Code() == codes.OK {
+		return nil, errors.New("no error details for status with code OK")
+	}
+	// s.Code() != OK implies that s.Proto() != nil.
+	p := s.Proto()
+	for _, detail := range details {
+		any, err := ptypes.MarshalAny(detail)
+		if err != nil {
+			return nil, err
+		}
+		p.Details = append(p.Details, any)
+	}
+	return &Status{s: p}, nil
+}
+
+// Details returns a slice of details messages attached to the status.
+// If a detail cannot be decoded, the error is returned in place of the detail.
+func (s *Status) Details() []interface{} {
+	if s == nil || s.s == nil {
+		return nil
+	}
+	details := make([]interface{}, 0, len(s.s.Details))
+	for _, any := range s.s.Details {
+		detail := &ptypes.DynamicAny{}
+		if err := ptypes.UnmarshalAny(any, detail); err != nil {
+			details = append(details, err)
+			continue
+		}
+		details = append(details, detail.Message)
+	}
+	return details
+}
+
+// Error wraps a pointer of a status proto. It implements error and Status,
+// and a nil *Error should never be returned by this package.
+type Error struct {
+	e *spb.Status
+}
+
+func (e *Error) Error() string {
+	return fmt.Sprintf("rpc error: code = %s desc = %s", codes.Code(e.e.GetCode()), e.e.GetMessage())
+}
+
+// GRPCStatus returns the Status represented by se.
+func (e *Error) GRPCStatus() *Status {
+	return FromProto(e.e)
+}
+
+// Is implements future error.Is functionality.
+// A Error is equivalent if the code and message are identical.
+func (e *Error) Is(target error) bool {
+	tse, ok := target.(*Error)
+	if !ok {
+		return false
+	}
+	return proto.Equal(e.e, tse.e)
+}
diff --git a/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go b/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go
index 43281a3e0..4b2964f2a 100644
--- a/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go
+++ b/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go
@@ -32,35 +32,35 @@ import (
 	"google.golang.org/grpc/grpclog"
 )
 
+var logger = grpclog.Component("core")
+
 // GetCPUTime returns the how much CPU time has passed since the start of this process.
 func GetCPUTime() int64 {
 	var ts unix.Timespec
 	if err := unix.ClockGettime(unix.CLOCK_PROCESS_CPUTIME_ID, &ts); err != nil {
-		grpclog.Fatal(err)
+		logger.Fatal(err)
 	}
 	return ts.Nano()
 }
 
-// Rusage is an alias for syscall.Rusage under linux non-appengine environment.
-type Rusage syscall.Rusage
+// Rusage is an alias for syscall.Rusage under linux environment.
+type Rusage = syscall.Rusage
 
 // GetRusage returns the resource usage of current process.
-func GetRusage() (rusage *Rusage) {
-	rusage = new(Rusage)
-	syscall.Getrusage(syscall.RUSAGE_SELF, (*syscall.Rusage)(rusage))
-	return
+func GetRusage() *Rusage {
+	rusage := new(Rusage)
+	syscall.Getrusage(syscall.RUSAGE_SELF, rusage)
+	return rusage
 }
 
 // CPUTimeDiff returns the differences of user CPU time and system CPU time used
 // between two Rusage structs.
 func CPUTimeDiff(first *Rusage, latest *Rusage) (float64, float64) {
-	f := (*syscall.Rusage)(first)
-	l := (*syscall.Rusage)(latest)
 	var (
-		utimeDiffs  = l.Utime.Sec - f.Utime.Sec
-		utimeDiffus = l.Utime.Usec - f.Utime.Usec
-		stimeDiffs  = l.Stime.Sec - f.Stime.Sec
-		stimeDiffus = l.Stime.Usec - f.Stime.Usec
+		utimeDiffs  = latest.Utime.Sec - first.Utime.Sec
+		utimeDiffus = latest.Utime.Usec - first.Utime.Usec
+		stimeDiffs  = latest.Stime.Sec - first.Stime.Sec
+		stimeDiffus = latest.Stime.Usec - first.Stime.Usec
 	)
 
 	uTimeElapsed := float64(utimeDiffs) + float64(utimeDiffus)*1.0e-6
diff --git a/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go b/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go
index d3fd9dab3..7913ef1db 100644
--- a/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go
+++ b/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go
@@ -18,6 +18,8 @@
  *
  */
 
+// Package syscall provides functionalities that grpc uses to get low-level
+// operating system stats/info.
 package syscall
 
 import (
@@ -29,10 +31,11 @@ import (
 )
 
 var once sync.Once
+var logger = grpclog.Component("core")
 
 func log() {
 	once.Do(func() {
-		grpclog.Info("CPU time info is unavailable on non-linux or appengine environment.")
+		logger.Info("CPU time info is unavailable on non-linux or appengine environment.")
 	})
 }
 
@@ -47,7 +50,7 @@ func GetCPUTime() int64 {
 type Rusage struct{}
 
 // GetRusage is a no-op function under non-linux or appengine environment.
-func GetRusage() (rusage *Rusage) {
+func GetRusage() *Rusage {
 	log()
 	return nil
 }
diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
index ddee20b6b..f63a01376 100644
--- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
+++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
@@ -20,13 +20,17 @@ package transport
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"runtime"
+	"strconv"
 	"sync"
 	"sync/atomic"
 
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/hpack"
+	"google.golang.org/grpc/internal/grpcutil"
+	"google.golang.org/grpc/status"
 )
 
 var updateHeaderTblSize = func(e *hpack.Encoder, v uint32) {
@@ -128,6 +132,14 @@ type cleanupStream struct {
 
 func (c *cleanupStream) isTransportResponseFrame() bool { return c.rst } // Results in a RST_STREAM
 
+type earlyAbortStream struct {
+	streamID       uint32
+	contentSubtype string
+	status         *status.Status
+}
+
+func (*earlyAbortStream) isTransportResponseFrame() bool { return false }
+
 type dataFrame struct {
 	streamID  uint32
 	endStream bool
@@ -505,7 +517,9 @@ func (l *loopyWriter) run() (err error) {
 			// 1. When the connection is closed by some other known issue.
 			// 2. User closed the connection.
 			// 3. A graceful close of connection.
-			infof("transport: loopyWriter.run returning. %v", err)
+			if logger.V(logLevel) {
+				logger.Infof("transport: loopyWriter.run returning. %v", err)
+			}
 			err = nil
 		}
 	}()
@@ -605,7 +619,9 @@ func (l *loopyWriter) headerHandler(h *headerFrame) error {
 	if l.side == serverSide {
 		str, ok := l.estdStreams[h.streamID]
 		if !ok {
-			warningf("transport: loopy doesn't recognize the stream: %d", h.streamID)
+			if logger.V(logLevel) {
+				logger.Warningf("transport: loopy doesn't recognize the stream: %d", h.streamID)
+			}
 			return nil
 		}
 		// Case 1.A: Server is responding back with headers.
@@ -658,7 +674,9 @@ func (l *loopyWriter) writeHeader(streamID uint32, endStream bool, hf []hpack.He
 	l.hBuf.Reset()
 	for _, f := range hf {
 		if err := l.hEnc.WriteField(f); err != nil {
-			warningf("transport: loopyWriter.writeHeader encountered error while encoding headers:", err)
+			if logger.V(logLevel) {
+				logger.Warningf("transport: loopyWriter.writeHeader encountered error while encoding headers: %v", err)
+			}
 		}
 	}
 	var (
@@ -743,6 +761,24 @@ func (l *loopyWriter) cleanupStreamHandler(c *cleanupStream) error {
 	return nil
 }
 
+func (l *loopyWriter) earlyAbortStreamHandler(eas *earlyAbortStream) error {
+	if l.side == clientSide {
+		return errors.New("earlyAbortStream not handled on client")
+	}
+
+	headerFields := []hpack.HeaderField{
+		{Name: ":status", Value: "200"},
+		{Name: "content-type", Value: grpcutil.ContentType(eas.contentSubtype)},
+		{Name: "grpc-status", Value: strconv.Itoa(int(eas.status.Code()))},
+		{Name: "grpc-message", Value: encodeGrpcMessage(eas.status.Message())},
+	}
+
+	if err := l.writeHeader(eas.streamID, true, headerFields, nil); err != nil {
+		return err
+	}
+	return nil
+}
+
 func (l *loopyWriter) incomingGoAwayHandler(*incomingGoAway) error {
 	if l.side == clientSide {
 		l.draining = true
@@ -781,6 +817,8 @@ func (l *loopyWriter) handle(i interface{}) error {
 		return l.registerStreamHandler(i)
 	case *cleanupStream:
 		return l.cleanupStreamHandler(i)
+	case *earlyAbortStream:
+		return l.earlyAbortStreamHandler(i)
 	case *incomingGoAway:
 		return l.incomingGoAwayHandler(i)
 	case *dataFrame:
@@ -857,38 +895,45 @@ func (l *loopyWriter) processData() (bool, error) {
 		return false, nil
 	}
 	var (
-		idx int
 		buf []byte
 	)
-	if len(dataItem.h) != 0 { // data header has not been written out yet.
-		buf = dataItem.h
-	} else {
-		idx = 1
-		buf = dataItem.d
-	}
-	size := http2MaxFrameLen
-	if len(buf) < size {
-		size = len(buf)
-	}
+	// Figure out the maximum size we can send
+	maxSize := http2MaxFrameLen
 	if strQuota := int(l.oiws) - str.bytesOutStanding; strQuota <= 0 { // stream-level flow control.
 		str.state = waitingOnStreamQuota
 		return false, nil
-	} else if strQuota < size {
-		size = strQuota
+	} else if maxSize > strQuota {
+		maxSize = strQuota
+	}
+	if maxSize > int(l.sendQuota) { // connection-level flow control.
+		maxSize = int(l.sendQuota)
+	}
+	// Compute how much of the header and data we can send within quota and max frame length
+	hSize := min(maxSize, len(dataItem.h))
+	dSize := min(maxSize-hSize, len(dataItem.d))
+	if hSize != 0 {
+		if dSize == 0 {
+			buf = dataItem.h
+		} else {
+			// We can add some data to grpc message header to distribute bytes more equally across frames.
+			// Copy on the stack to avoid generating garbage
+			var localBuf [http2MaxFrameLen]byte
+			copy(localBuf[:hSize], dataItem.h)
+			copy(localBuf[hSize:], dataItem.d[:dSize])
+			buf = localBuf[:hSize+dSize]
+		}
+	} else {
+		buf = dataItem.d
 	}
 
-	if l.sendQuota < uint32(size) { // connection-level flow control.
-		size = int(l.sendQuota)
-	}
+	size := hSize + dSize
+
 	// Now that outgoing flow controls are checked we can replenish str's write quota
 	str.wq.replenish(size)
 	var endStream bool
 	// If this is the last data message on this stream and all of it can be written in this iteration.
-	if dataItem.endStream && size == len(buf) {
-		// buf contains either data or it contains header but data is empty.
-		if idx == 1 || len(dataItem.d) == 0 {
-			endStream = true
-		}
+	if dataItem.endStream && len(dataItem.h)+len(dataItem.d) <= size {
+		endStream = true
 	}
 	if dataItem.onEachWrite != nil {
 		dataItem.onEachWrite()
@@ -896,14 +941,10 @@ func (l *loopyWriter) processData() (bool, error) {
 	if err := l.framer.fr.WriteData(dataItem.streamID, endStream, buf[:size]); err != nil {
 		return false, err
 	}
-	buf = buf[size:]
 	str.bytesOutStanding += size
 	l.sendQuota -= uint32(size)
-	if idx == 0 {
-		dataItem.h = buf
-	} else {
-		dataItem.d = buf
-	}
+	dataItem.h = dataItem.h[hSize:]
+	dataItem.d = dataItem.d[dSize:]
 
 	if len(dataItem.h) == 0 && len(dataItem.d) == 0 { // All the data from that message was written out.
 		str.itl.dequeue()
@@ -924,3 +965,10 @@ func (l *loopyWriter) processData() (bool, error) {
 	}
 	return false, nil
 }
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
diff --git a/vendor/google.golang.org/grpc/internal/transport/handler_server.go b/vendor/google.golang.org/grpc/internal/transport/handler_server.go
index c3c32dafe..05d3871e6 100644
--- a/vendor/google.golang.org/grpc/internal/transport/handler_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/handler_server.go
@@ -39,6 +39,7 @@ import (
 	"golang.org/x/net/http2"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/internal/grpcutil"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/peer"
 	"google.golang.org/grpc/stats"
@@ -57,7 +58,7 @@ func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats sta
 	}
 	contentType := r.Header.Get("Content-Type")
 	// TODO: do we assume contentType is lowercase? we did before
-	contentSubtype, validContentType := contentSubtype(contentType)
+	contentSubtype, validContentType := grpcutil.ContentSubtype(contentType)
 	if !validContentType {
 		return nil, errors.New("invalid gRPC request content-type")
 	}
@@ -112,11 +113,10 @@ func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats sta
 // at this point to be speaking over HTTP/2, so it's able to speak valid
 // gRPC.
 type serverHandlerTransport struct {
-	rw               http.ResponseWriter
-	req              *http.Request
-	timeoutSet       bool
-	timeout          time.Duration
-	didCommonHeaders bool
+	rw         http.ResponseWriter
+	req        *http.Request
+	timeoutSet bool
+	timeout    time.Duration
 
 	headerMD metadata.MD
 
@@ -186,8 +186,11 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
 	ht.writeStatusMu.Lock()
 	defer ht.writeStatusMu.Unlock()
 
+	headersWritten := s.updateHeaderSent()
 	err := ht.do(func() {
-		ht.writeCommonHeaders(s)
+		if !headersWritten {
+			ht.writePendingHeaders(s)
+		}
 
 		// And flush, in case no header or body has been sent yet.
 		// This forces a separation of headers and trailers if this is the
@@ -227,6 +230,8 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
 
 	if err == nil { // transport has not been closed
 		if ht.stats != nil {
+			// Note: The trailer fields are compressed with hpack after this call returns.
+			// No WireLength field is set here.
 			ht.stats.HandleRPC(s.Context(), &stats.OutTrailer{
 				Trailer: s.trailer.Copy(),
 			})
@@ -236,14 +241,16 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
 	return err
 }
 
+// writePendingHeaders sets common and custom headers on the first
+// write call (Write, WriteHeader, or WriteStatus)
+func (ht *serverHandlerTransport) writePendingHeaders(s *Stream) {
+	ht.writeCommonHeaders(s)
+	ht.writeCustomHeaders(s)
+}
+
 // writeCommonHeaders sets common headers on the first write
 // call (Write, WriteHeader, or WriteStatus).
 func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) {
-	if ht.didCommonHeaders {
-		return
-	}
-	ht.didCommonHeaders = true
-
 	h := ht.rw.Header()
 	h["Date"] = nil // suppress Date to make tests happy; TODO: restore
 	h.Set("Content-Type", ht.contentType)
@@ -262,9 +269,30 @@ func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) {
 	}
 }
 
+// writeCustomHeaders sets custom headers set on the stream via SetHeader
+// on the first write call (Write, WriteHeader, or WriteStatus).
+func (ht *serverHandlerTransport) writeCustomHeaders(s *Stream) {
+	h := ht.rw.Header()
+
+	s.hdrMu.Lock()
+	for k, vv := range s.header {
+		if isReservedHeader(k) {
+			continue
+		}
+		for _, v := range vv {
+			h.Add(k, encodeMetadataHeader(k, v))
+		}
+	}
+
+	s.hdrMu.Unlock()
+}
+
 func (ht *serverHandlerTransport) Write(s *Stream, hdr []byte, data []byte, opts *Options) error {
+	headersWritten := s.updateHeaderSent()
 	return ht.do(func() {
-		ht.writeCommonHeaders(s)
+		if !headersWritten {
+			ht.writePendingHeaders(s)
+		}
 		ht.rw.Write(hdr)
 		ht.rw.Write(data)
 		ht.rw.(http.Flusher).Flush()
@@ -272,27 +300,27 @@ func (ht *serverHandlerTransport) Write(s *Stream, hdr []byte, data []byte, opts
 }
 
 func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error {
+	if err := s.SetHeader(md); err != nil {
+		return err
+	}
+
+	headersWritten := s.updateHeaderSent()
 	err := ht.do(func() {
-		ht.writeCommonHeaders(s)
-		h := ht.rw.Header()
-		for k, vv := range md {
-			// Clients don't tolerate reading restricted headers after some non restricted ones were sent.
-			if isReservedHeader(k) {
-				continue
-			}
-			for _, v := range vv {
-				v = encodeMetadataHeader(k, v)
-				h.Add(k, v)
-			}
+		if !headersWritten {
+			ht.writePendingHeaders(s)
 		}
+
 		ht.rw.WriteHeader(200)
 		ht.rw.(http.Flusher).Flush()
 	})
 
 	if err == nil {
 		if ht.stats != nil {
+			// Note: The header fields are compressed with hpack after this call returns.
+			// No WireLength field is set here.
 			ht.stats.HandleRPC(s.Context(), &stats.OutHeader{
-				Header: md.Copy(),
+				Header:      md.Copy(),
+				Compression: s.sendCompress,
 			})
 		}
 	}
@@ -338,7 +366,7 @@ func (ht *serverHandlerTransport) HandleStreams(startStream func(*Stream), trace
 		Addr: ht.RemoteAddr(),
 	}
 	if req.TLS != nil {
-		pr.AuthInfo = credentials.TLSInfo{State: *req.TLS, CommonAuthInfo: credentials.CommonAuthInfo{credentials.PrivacyAndIntegrity}}
+		pr.AuthInfo = credentials.TLSInfo{State: *req.TLS, CommonAuthInfo: credentials.CommonAuthInfo{SecurityLevel: credentials.PrivacyAndIntegrity}}
 	}
 	ctx = metadata.NewIncomingContext(ctx, ht.headerMD)
 	s.ctx = peer.NewContext(ctx, pr)
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
index 2d6feeb1b..48c5e52ed 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
@@ -32,15 +32,18 @@ import (
 
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/hpack"
-
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/channelz"
+	icredentials "google.golang.org/grpc/internal/credentials"
+	"google.golang.org/grpc/internal/grpcutil"
+	imetadata "google.golang.org/grpc/internal/metadata"
 	"google.golang.org/grpc/internal/syscall"
+	"google.golang.org/grpc/internal/transport/networktype"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/peer"
+	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"
 )
@@ -57,7 +60,7 @@ type http2Client struct {
 	cancel     context.CancelFunc
 	ctxDone    <-chan struct{} // Cache the ctx.Done() chan.
 	userAgent  string
-	md         interface{}
+	md         metadata.MD
 	conn       net.Conn // underlying communication channel
 	loopy      *loopyWriter
 	remoteAddr net.Addr
@@ -112,6 +115,9 @@ type http2Client struct {
 	// goAwayReason records the http2.ErrCode and debug data received with the
 	// GoAway frame.
 	goAwayReason GoAwayReason
+	// goAwayDebugMessage contains a detailed human readable string about a
+	// GoAway frame, useful for error messages.
+	goAwayDebugMessage string
 	// A condition variable used to signal when the keepalive goroutine should
 	// go dormant. The condition for dormancy is based on the number of active
 	// streams and the `PermitWithoutStream` keepalive client parameter. And
@@ -135,11 +141,27 @@ type http2Client struct {
 	connectionID uint64
 }
 
-func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr string) (net.Conn, error) {
+func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr resolver.Address, useProxy bool, grpcUA string) (net.Conn, error) {
+	address := addr.Addr
+	networkType, ok := networktype.Get(addr)
 	if fn != nil {
-		return fn(ctx, addr)
+		if networkType == "unix" && !strings.HasPrefix(address, "\x00") {
+			// For backward compatibility, if the user dialed "unix:///path",
+			// the passthrough resolver would be used and the user's custom
+			// dialer would see "unix:///path". Since the unix resolver is used
+			// and the address is now "/path", prepend "unix://" so the user's
+			// custom dialer sees the same address.
+			return fn(ctx, "unix://"+address)
+		}
+		return fn(ctx, address)
 	}
-	return (&net.Dialer{}).DialContext(ctx, "tcp", addr)
+	if !ok {
+		networkType, address = parseDialTarget(address)
+	}
+	if networkType == "tcp" && useProxy {
+		return proxyDial(ctx, address, grpcUA)
+	}
+	return (&net.Dialer{}).DialContext(ctx, networkType, address)
 }
 
 func isTemporary(err error) bool {
@@ -161,7 +183,7 @@ func isTemporary(err error) bool {
 // newHTTP2Client constructs a connected ClientTransport to addr based on HTTP2
 // and starts to receive messages on it. Non-nil error returns if construction
 // fails.
-func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
+func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
 	scheme := "http"
 	ctx, cancel := context.WithCancel(ctx)
 	defer func() {
@@ -170,7 +192,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 		}
 	}()
 
-	conn, err := dial(connectCtx, opts.Dialer, addr.Addr)
+	conn, err := dial(connectCtx, opts.Dialer, addr, opts.UseProxy, opts.UserAgent)
 	if err != nil {
 		if opts.FailOnNonTempDialError {
 			return nil, connectionErrorf(isTemporary(err), err, "transport: error while dialing: %v", err)
@@ -214,12 +236,31 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 		}
 	}
 	if transportCreds != nil {
-		scheme = "https"
-		conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.Authority, conn)
+		// gRPC, resolver, balancer etc. can specify arbitrary data in the
+		// Attributes field of resolver.Address, which is shoved into connectCtx
+		// and passed to the credential handshaker. This makes it possible for
+		// address specific arbitrary data to reach the credential handshaker.
+		connectCtx = icredentials.NewClientHandshakeInfoContext(connectCtx, credentials.ClientHandshakeInfo{Attributes: addr.Attributes})
+		conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.ServerName, conn)
 		if err != nil {
 			return nil, connectionErrorf(isTemporary(err), err, "transport: authentication handshake failed: %v", err)
 		}
+		for _, cd := range perRPCCreds {
+			if cd.RequireTransportSecurity() {
+				if ci, ok := authInfo.(interface {
+					GetCommonAuthInfo() credentials.CommonAuthInfo
+				}); ok {
+					secLevel := ci.GetCommonAuthInfo().SecurityLevel
+					if secLevel != credentials.InvalidSecurityLevel && secLevel < credentials.PrivacyAndIntegrity {
+						return nil, connectionErrorf(true, nil, "transport: cannot send secure credentials on an insecure connection")
+					}
+				}
+			}
+		}
 		isSecure = true
+		if transportCreds.Info().SecurityProtocol == "tls" {
+			scheme = "https"
+		}
 	}
 	dynamicWindow := true
 	icwz := int32(initialWindowSize)
@@ -238,7 +279,6 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 		ctxDone:               ctx.Done(), // Cache Done chan.
 		cancel:                cancel,
 		userAgent:             opts.UserAgent,
-		md:                    addr.Metadata,
 		conn:                  conn,
 		remoteAddr:            conn.RemoteAddr(),
 		localAddr:             conn.LocalAddr(),
@@ -266,6 +306,12 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 		keepaliveEnabled:      keepaliveEnabled,
 		bufferPool:            newBufferPool(),
 	}
+
+	if md, ok := addr.Metadata.(*metadata.MD); ok {
+		t.md = *md
+	} else if md := imetadata.Get(addr); md != nil {
+		t.md = md
+	}
 	t.controlBuf = newControlBuffer(t.ctxDone)
 	if opts.InitialWindowSize >= defaultWindowSize {
 		t.initialWindowSize = opts.InitialWindowSize
@@ -302,12 +348,14 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 	// Send connection preface to server.
 	n, err := t.conn.Write(clientPreface)
 	if err != nil {
-		t.Close()
-		return nil, connectionErrorf(true, err, "transport: failed to write client preface: %v", err)
+		err = connectionErrorf(true, err, "transport: failed to write client preface: %v", err)
+		t.Close(err)
+		return nil, err
 	}
 	if n != len(clientPreface) {
-		t.Close()
-		return nil, connectionErrorf(true, err, "transport: preface mismatch, wrote %d bytes; want %d", n, len(clientPreface))
+		err = connectionErrorf(true, nil, "transport: preface mismatch, wrote %d bytes; want %d", n, len(clientPreface))
+		t.Close(err)
+		return nil, err
 	}
 	var ss []http2.Setting
 
@@ -325,14 +373,16 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 	}
 	err = t.framer.fr.WriteSettings(ss...)
 	if err != nil {
-		t.Close()
-		return nil, connectionErrorf(true, err, "transport: failed to write initial settings frame: %v", err)
+		err = connectionErrorf(true, err, "transport: failed to write initial settings frame: %v", err)
+		t.Close(err)
+		return nil, err
 	}
 	// Adjust the connection flow control window if needed.
 	if delta := uint32(icwz - defaultWindowSize); delta > 0 {
 		if err := t.framer.fr.WriteWindowUpdate(0, delta); err != nil {
-			t.Close()
-			return nil, connectionErrorf(true, err, "transport: failed to write window update: %v", err)
+			err = connectionErrorf(true, err, "transport: failed to write window update: %v", err)
+			t.Close(err)
+			return nil, err
 		}
 	}
 
@@ -345,7 +395,9 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts Conne
 		t.loopy = newLoopyWriter(clientSide, t.framer, t.controlBuf, t.bdpEst)
 		err := t.loopy.run()
 		if err != nil {
-			errorf("transport: loopyWriter.run returning. Err: %v", err)
+			if logger.V(logLevel) {
+				logger.Errorf("transport: loopyWriter.run returning. Err: %v", err)
+			}
 		}
 		// If it's a connection error, let reader goroutine handle it
 		// since there might be data in the buffers.
@@ -367,6 +419,7 @@ func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream {
 		buf:            newRecvBuffer(),
 		headerChan:     make(chan struct{}),
 		contentSubtype: callHdr.ContentSubtype,
+		doneFunc:       callHdr.DoneFunc,
 	}
 	s.wq = newWriteQuota(defaultWriteQuota, s.done)
 	s.requestRead = func(n int) {
@@ -406,7 +459,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		Method:   callHdr.Method,
 		AuthInfo: t.authInfo,
 	}
-	ctxWithRequestInfo := internal.NewRequestInfoContext.(func(context.Context, credentials.RequestInfo) context.Context)(ctx, ri)
+	ctxWithRequestInfo := icredentials.NewRequestInfoContext(ctx, ri)
 	authData, err := t.getTrAuthData(ctxWithRequestInfo, aud)
 	if err != nil {
 		return nil, err
@@ -425,7 +478,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 	headerFields = append(headerFields, hpack.HeaderField{Name: ":scheme", Value: t.scheme})
 	headerFields = append(headerFields, hpack.HeaderField{Name: ":path", Value: callHdr.Method})
 	headerFields = append(headerFields, hpack.HeaderField{Name: ":authority", Value: callHdr.Host})
-	headerFields = append(headerFields, hpack.HeaderField{Name: "content-type", Value: contentType(callHdr.ContentSubtype)})
+	headerFields = append(headerFields, hpack.HeaderField{Name: "content-type", Value: grpcutil.ContentType(callHdr.ContentSubtype)})
 	headerFields = append(headerFields, hpack.HeaderField{Name: "user-agent", Value: t.userAgent})
 	headerFields = append(headerFields, hpack.HeaderField{Name: "te", Value: "trailers"})
 	if callHdr.PreviousAttempts > 0 {
@@ -440,7 +493,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		// Send out timeout regardless its value. The server can detect timeout context by itself.
 		// TODO(mmukhi): Perhaps this field should be updated when actually writing out to the wire.
 		timeout := time.Until(dl)
-		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-timeout", Value: encodeTimeout(timeout)})
+		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-timeout", Value: grpcutil.EncodeDuration(timeout)})
 	}
 	for k, v := range authData {
 		headerFields = append(headerFields, hpack.HeaderField{Name: k, Value: encodeMetadataHeader(k, v)})
@@ -469,25 +522,23 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		for _, vv := range added {
 			for i, v := range vv {
 				if i%2 == 0 {
-					k = v
+					k = strings.ToLower(v)
 					continue
 				}
 				// HTTP doesn't allow you to set pseudoheaders after non pseudoheaders were set.
 				if isReservedHeader(k) {
 					continue
 				}
-				headerFields = append(headerFields, hpack.HeaderField{Name: strings.ToLower(k), Value: encodeMetadataHeader(k, v)})
+				headerFields = append(headerFields, hpack.HeaderField{Name: k, Value: encodeMetadataHeader(k, v)})
 			}
 		}
 	}
-	if md, ok := t.md.(*metadata.MD); ok {
-		for k, vv := range *md {
-			if isReservedHeader(k) {
-				continue
-			}
-			for _, v := range vv {
-				headerFields = append(headerFields, hpack.HeaderField{Name: k, Value: encodeMetadataHeader(k, v)})
-			}
+	for k, vv := range t.md {
+		if isReservedHeader(k) {
+			continue
+		}
+		for _, v := range vv {
+			headerFields = append(headerFields, hpack.HeaderField{Name: k, Value: encodeMetadataHeader(k, v)})
 		}
 	}
 	return headerFields, nil
@@ -537,8 +588,11 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
 	// Note: if these credentials are provided both via dial options and call
 	// options, then both sets of credentials will be applied.
 	if callCreds := callHdr.Creds; callCreds != nil {
-		if !t.isSecure && callCreds.RequireTransportSecurity() {
-			return nil, status.Error(codes.Unauthenticated, "transport: cannot send secure credentials on an insecure connection")
+		if callCreds.RequireTransportSecurity() {
+			ri, _ := credentials.RequestInfoFromContext(ctx)
+			if !t.isSecure || credentials.CheckSecurityLevel(ri.AuthInfo, credentials.PrivacyAndIntegrity) != nil {
+				return nil, status.Error(codes.Unauthenticated, "transport: cannot send secure credentials on an insecure connection")
+			}
 		}
 		data, err := callCreds.GetRequestMetadata(ctx, audience)
 		if err != nil {
@@ -554,13 +608,26 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
 	return callAuthData, nil
 }
 
+// PerformedIOError wraps an error to indicate IO may have been performed
+// before the error occurred.
+type PerformedIOError struct {
+	Err error
+}
+
+// Error implements error.
+func (p PerformedIOError) Error() string {
+	return p.Err.Error()
+}
+
 // NewStream creates a stream and registers it into the transport as "active"
 // streams.
 func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Stream, err error) {
 	ctx = peer.NewContext(ctx, t.getPeer())
 	headerFields, err := t.createHeaderFields(ctx, callHdr)
 	if err != nil {
-		return nil, err
+		// We may have performed I/O in the per-RPC creds callback, so do not
+		// allow transparent retry.
+		return nil, PerformedIOError{err}
 	}
 	s := t.newStream(ctx, callHdr)
 	cleanup := func(err error) {
@@ -680,14 +747,21 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea
 		}
 	}
 	if t.statsHandler != nil {
-		header, _, _ := metadata.FromOutgoingContextRaw(ctx)
+		header, ok := metadata.FromOutgoingContext(ctx)
+		if ok {
+			header.Set("user-agent", t.userAgent)
+		} else {
+			header = metadata.Pairs("user-agent", t.userAgent)
+		}
+		// Note: The header fields are compressed with hpack after this call returns.
+		// No WireLength field is set here.
 		outHeader := &stats.OutHeader{
 			Client:      true,
 			FullMethod:  callHdr.Method,
 			RemoteAddr:  t.remoteAddr,
 			LocalAddr:   t.localAddr,
 			Compression: callHdr.SendCompress,
-			Header:      header.Copy(),
+			Header:      header,
 		}
 		t.statsHandler.HandleRPC(s.ctx, outHeader)
 	}
@@ -764,6 +838,9 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.
 	t.controlBuf.executeAndPut(addBackStreamQuota, cleanup)
 	// This will unblock write.
 	close(s.done)
+	if s.doneFunc != nil {
+		s.doneFunc()
+	}
 }
 
 // Close kicks off the shutdown process of the transport. This should be called
@@ -773,12 +850,12 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.
 // This method blocks until the addrConn that initiated this transport is
 // re-connected. This happens because t.onClose() begins reconnect logic at the
 // addrConn level and blocks until the addrConn is successfully connected.
-func (t *http2Client) Close() error {
+func (t *http2Client) Close(err error) {
 	t.mu.Lock()
 	// Make sure we only Close once.
 	if t.state == closing {
 		t.mu.Unlock()
-		return nil
+		return
 	}
 	// Call t.onClose before setting the state to closing to prevent the client
 	// from attempting to create new streams ASAP.
@@ -794,13 +871,19 @@ func (t *http2Client) Close() error {
 	t.mu.Unlock()
 	t.controlBuf.finish()
 	t.cancel()
-	err := t.conn.Close()
+	t.conn.Close()
 	if channelz.IsOn() {
 		channelz.RemoveEntry(t.channelzID)
 	}
+	// Append info about previous goaways if there were any, since this may be important
+	// for understanding the root cause for this connection to be closed.
+	_, goAwayDebugMessage := t.GetGoAwayReason()
+	if len(goAwayDebugMessage) > 0 {
+		err = fmt.Errorf("closing transport due to: %v, received prior goaway: %v", err, goAwayDebugMessage)
+	}
 	// Notify all active streams.
 	for _, s := range streams {
-		t.closeStream(s, ErrConnClosing, false, http2.ErrCodeNo, status.New(codes.Unavailable, ErrConnClosing.Desc), nil, false)
+		t.closeStream(s, err, false, http2.ErrCodeNo, status.New(codes.Unavailable, err.Error()), nil, false)
 	}
 	if t.statsHandler != nil {
 		connEnd := &stats.ConnEnd{
@@ -808,7 +891,6 @@ func (t *http2Client) Close() error {
 		}
 		t.statsHandler.HandleConn(t.ctx, connEnd)
 	}
-	return err
 }
 
 // GracefulClose sets the state to draining, which prevents new streams from
@@ -827,7 +909,7 @@ func (t *http2Client) GracefulClose() {
 	active := len(t.activeStreams)
 	t.mu.Unlock()
 	if active == 0 {
-		t.Close()
+		t.Close(ErrConnClosing)
 		return
 	}
 	t.controlBuf.put(&incomingGoAway{})
@@ -847,18 +929,10 @@ func (t *http2Client) Write(s *Stream, hdr []byte, data []byte, opts *Options) e
 	df := &dataFrame{
 		streamID:  s.id,
 		endStream: opts.Last,
+		h:         hdr,
+		d:         data,
 	}
-	if hdr != nil || data != nil { // If it's not an empty data frame.
-		// Add some data to grpc message header so that we can equally
-		// distribute bytes across frames.
-		emptyLen := http2MaxFrameLen - len(hdr)
-		if emptyLen > len(data) {
-			emptyLen = len(data)
-		}
-		hdr = append(hdr, data[:emptyLen]...)
-		data = data[emptyLen:]
-		df.h, df.d = hdr, data
-		// TODO(mmukhi): The above logic in this if can be moved to loopyWriter's data handler.
+	if hdr != nil || data != nil { // If it's not an empty data frame, check quota.
 		if err := s.wq.get(int32(len(hdr) + len(data))); err != nil {
 			return err
 		}
@@ -992,7 +1066,9 @@ func (t *http2Client) handleRSTStream(f *http2.RSTStreamFrame) {
 	}
 	statusCode, ok := http2ErrConvTab[f.ErrCode]
 	if !ok {
-		warningf("transport: http2Client.handleRSTStream found no mapped gRPC status for the received http2 error %v", f.ErrCode)
+		if logger.V(logLevel) {
+			logger.Warningf("transport: http2Client.handleRSTStream found no mapped gRPC status for the received http2 error %v", f.ErrCode)
+		}
 		statusCode = codes.Unknown
 	}
 	if statusCode == codes.Canceled {
@@ -1074,12 +1150,14 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 		return
 	}
 	if f.ErrCode == http2.ErrCodeEnhanceYourCalm {
-		infof("Client received GoAway with http2.ErrCodeEnhanceYourCalm.")
+		if logger.V(logLevel) {
+			logger.Infof("Client received GoAway with http2.ErrCodeEnhanceYourCalm.")
+		}
 	}
 	id := f.LastStreamID
-	if id > 0 && id%2 != 1 {
+	if id > 0 && id%2 == 0 {
 		t.mu.Unlock()
-		t.Close()
+		t.Close(connectionErrorf(true, nil, "received goaway with non-zero even-numbered numbered stream id: %v", id))
 		return
 	}
 	// A client can receive multiple GoAways from the server (see
@@ -1097,7 +1175,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 		// If there are multiple GoAways the first one should always have an ID greater than the following ones.
 		if id > t.prevGoAwayID {
 			t.mu.Unlock()
-			t.Close()
+			t.Close(connectionErrorf(true, nil, "received goaway with stream id: %v, which exceeds stream id of previous goaway: %v", id, t.prevGoAwayID))
 			return
 		}
 	default:
@@ -1127,7 +1205,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 	active := len(t.activeStreams)
 	t.mu.Unlock()
 	if active == 0 {
-		t.Close()
+		t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
 	}
 }
 
@@ -1143,12 +1221,13 @@ func (t *http2Client) setGoAwayReason(f *http2.GoAwayFrame) {
 			t.goAwayReason = GoAwayTooManyPings
 		}
 	}
+	t.goAwayDebugMessage = fmt.Sprintf("code: %s, debug data: %v", f.ErrCode, string(f.DebugData()))
 }
 
-func (t *http2Client) GetGoAwayReason() GoAwayReason {
+func (t *http2Client) GetGoAwayReason() (GoAwayReason, string) {
 	t.mu.Lock()
 	defer t.mu.Unlock()
-	return t.goAwayReason
+	return t.goAwayReason, t.goAwayDebugMessage
 }
 
 func (t *http2Client) handleWindowUpdate(f *http2.WindowUpdateFrame) {
@@ -1178,8 +1257,8 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 	state := &decodeState{}
 	// Initialize isGRPC value to be !initialHeader, since if a gRPC Response-Headers has already been received, then it means that the peer is speaking gRPC and we are in gRPC mode.
 	state.data.isGRPC = !initialHeader
-	if err := state.decodeHeader(frame); err != nil {
-		t.closeStream(s, err, true, http2.ErrCodeProtocol, status.Convert(err), nil, endStream)
+	if h2code, err := state.decodeHeader(frame); err != nil {
+		t.closeStream(s, err, true, h2code, status.Convert(err), nil, endStream)
 		return
 	}
 
@@ -1188,9 +1267,10 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		if t.statsHandler != nil {
 			if isHeader {
 				inHeader := &stats.InHeader{
-					Client:     true,
-					WireLength: int(frame.Header().Length),
-					Header:     s.header.Copy(),
+					Client:      true,
+					WireLength:  int(frame.Header().Length),
+					Header:      s.header.Copy(),
+					Compression: s.recvCompress,
 				}
 				t.statsHandler.HandleRPC(s.ctx, inHeader)
 			} else {
@@ -1244,7 +1324,8 @@ func (t *http2Client) reader() {
 	// Check the validity of server preface.
 	frame, err := t.framer.fr.ReadFrame()
 	if err != nil {
-		t.Close() // this kicks off resetTransport, so must be last before return
+		err = connectionErrorf(true, err, "error reading server preface: %v", err)
+		t.Close(err) // this kicks off resetTransport, so must be last before return
 		return
 	}
 	t.conn.SetReadDeadline(time.Time{}) // reset deadline once we get the settings frame (we didn't time out, yay!)
@@ -1253,7 +1334,8 @@ func (t *http2Client) reader() {
 	}
 	sf, ok := frame.(*http2.SettingsFrame)
 	if !ok {
-		t.Close() // this kicks off resetTransport, so must be last before return
+		// this kicks off resetTransport, so must be last before return
+		t.Close(connectionErrorf(true, nil, "initial http2 frame from server is not a settings frame: %T", frame))
 		return
 	}
 	t.onPrefaceReceipt()
@@ -1277,13 +1359,19 @@ func (t *http2Client) reader() {
 				if s != nil {
 					// use error detail to provide better err message
 					code := http2ErrConvTab[se.Code]
-					msg := t.framer.fr.ErrorDetail().Error()
+					errorDetail := t.framer.fr.ErrorDetail()
+					var msg string
+					if errorDetail != nil {
+						msg = errorDetail.Error()
+					} else {
+						msg = "received invalid frame"
+					}
 					t.closeStream(s, status.Error(code, msg), true, http2.ErrCodeProtocol, status.New(code, msg), nil, false)
 				}
 				continue
 			} else {
 				// Transport error.
-				t.Close()
+				t.Close(connectionErrorf(true, err, "error reading from server: %v", err))
 				return
 			}
 		}
@@ -1303,7 +1391,9 @@ func (t *http2Client) reader() {
 		case *http2.WindowUpdateFrame:
 			t.handleWindowUpdate(frame)
 		default:
-			errorf("transport: http2Client.reader got unhandled frame type %v.", frame)
+			if logger.V(logLevel) {
+				logger.Errorf("transport: http2Client.reader got unhandled frame type %v.", frame)
+			}
 		}
 	}
 }
@@ -1340,7 +1430,7 @@ func (t *http2Client) keepalive() {
 				continue
 			}
 			if outstandingPing && timeoutLeft <= 0 {
-				t.Close()
+				t.Close(connectionErrorf(true, nil, "keepalive ping failed to receive ACK within timeout"))
 				return
 			}
 			t.mu.Lock()
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
index 8b04b0392..11be5599c 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
@@ -26,6 +26,7 @@ import (
 	"io"
 	"math"
 	"net"
+	"net/http"
 	"strconv"
 	"sync"
 	"sync/atomic"
@@ -34,12 +35,10 @@ import (
 	"github.com/golang/protobuf/proto"
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/hpack"
+	"google.golang.org/grpc/internal/grpcutil"
 
-	spb "google.golang.org/genproto/googleapis/rpc/status"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcrand"
 	"google.golang.org/grpc/keepalive"
@@ -57,9 +56,6 @@ var (
 	// ErrHeaderListSizeLimitViolation indicates that the header list size is larger
 	// than the limit set by peer.
 	ErrHeaderListSizeLimitViolation = errors.New("transport: trying to send header list size larger than the limit set by peer")
-	// statusRawProto is a function to get to the raw status proto wrapped in a
-	// status.Status without a proto.Clone().
-	statusRawProto = internal.StatusRawProto.(func(*status.Status) *spb.Status)
 )
 
 // serverConnectionCounter counts the number of connections a server has seen
@@ -294,7 +290,9 @@ func newHTTP2Server(conn net.Conn, config *ServerConfig) (_ ServerTransport, err
 		t.loopy = newLoopyWriter(serverSide, t.framer, t.controlBuf, t.bdpEst)
 		t.loopy.ssGoAwayHandler = t.outgoingGoAwayHandler
 		if err := t.loopy.run(); err != nil {
-			errorf("transport: loopyWriter.run returning. Err: %v", err)
+			if logger.V(logLevel) {
+				logger.Errorf("transport: loopyWriter.run returning. Err: %v", err)
+			}
 		}
 		t.conn.Close()
 		close(t.writerDone)
@@ -309,12 +307,12 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
 	state := &decodeState{
 		serverSide: true,
 	}
-	if err := state.decodeHeader(frame); err != nil {
-		if se, ok := status.FromError(err); ok {
+	if h2code, err := state.decodeHeader(frame); err != nil {
+		if _, ok := status.FromError(err); ok {
 			t.controlBuf.put(&cleanupStream{
 				streamID: streamID,
 				rst:      true,
-				rstCode:  statusCodeConvTab[se.Code()],
+				rstCode:  h2code,
 				onWrite:  func() {},
 			})
 		}
@@ -358,24 +356,6 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
 	if state.data.statsTrace != nil {
 		s.ctx = stats.SetIncomingTrace(s.ctx, state.data.statsTrace)
 	}
-	if t.inTapHandle != nil {
-		var err error
-		info := &tap.Info{
-			FullMethodName: state.data.method,
-		}
-		s.ctx, err = t.inTapHandle(s.ctx, info)
-		if err != nil {
-			warningf("transport: http2Server.operateHeaders got an error from InTapHandle: %v", err)
-			t.controlBuf.put(&cleanupStream{
-				streamID: s.id,
-				rst:      true,
-				rstCode:  http2.ErrCodeRefusedStream,
-				onWrite:  func() {},
-			})
-			s.cancel()
-			return false
-		}
-	}
 	t.mu.Lock()
 	if t.state != reachable {
 		t.mu.Unlock()
@@ -396,11 +376,46 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
 	if streamID%2 != 1 || streamID <= t.maxStreamID {
 		t.mu.Unlock()
 		// illegal gRPC stream id.
-		errorf("transport: http2Server.HandleStreams received an illegal stream id: %v", streamID)
+		if logger.V(logLevel) {
+			logger.Errorf("transport: http2Server.HandleStreams received an illegal stream id: %v", streamID)
+		}
 		s.cancel()
 		return true
 	}
 	t.maxStreamID = streamID
+	if state.data.httpMethod != http.MethodPost {
+		t.mu.Unlock()
+		if logger.V(logLevel) {
+			logger.Warningf("transport: http2Server.operateHeaders parsed a :method field: %v which should be POST", state.data.httpMethod)
+		}
+		t.controlBuf.put(&cleanupStream{
+			streamID: streamID,
+			rst:      true,
+			rstCode:  http2.ErrCodeProtocol,
+			onWrite:  func() {},
+		})
+		s.cancel()
+		return false
+	}
+	if t.inTapHandle != nil {
+		var err error
+		if s.ctx, err = t.inTapHandle(s.ctx, &tap.Info{FullMethodName: state.data.method}); err != nil {
+			t.mu.Unlock()
+			if logger.V(logLevel) {
+				logger.Infof("transport: http2Server.operateHeaders got an error from InTapHandle: %v", err)
+			}
+			stat, ok := status.FromError(err)
+			if !ok {
+				stat = status.New(codes.PermissionDenied, err.Error())
+			}
+			t.controlBuf.put(&earlyAbortStream{
+				streamID:       s.id,
+				contentSubtype: s.contentSubtype,
+				status:         stat,
+			})
+			return false
+		}
+	}
 	t.activeStreams[streamID] = s
 	if len(t.activeStreams) == 1 {
 		t.idle = time.Time{}
@@ -459,7 +474,9 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context.
 		atomic.StoreInt64(&t.lastRead, time.Now().UnixNano())
 		if err != nil {
 			if se, ok := err.(http2.StreamError); ok {
-				warningf("transport: http2Server.HandleStreams encountered http2.StreamError: %v", se)
+				if logger.V(logLevel) {
+					logger.Warningf("transport: http2Server.HandleStreams encountered http2.StreamError: %v", se)
+				}
 				t.mu.Lock()
 				s := t.activeStreams[se.StreamID]
 				t.mu.Unlock()
@@ -479,7 +496,9 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context.
 				t.Close()
 				return
 			}
-			warningf("transport: http2Server.HandleStreams failed to read frame: %v", err)
+			if logger.V(logLevel) {
+				logger.Warningf("transport: http2Server.HandleStreams failed to read frame: %v", err)
+			}
 			t.Close()
 			return
 		}
@@ -502,7 +521,9 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context.
 		case *http2.GoAwayFrame:
 			// TODO: Handle GoAway from the client appropriately.
 		default:
-			errorf("transport: http2Server.HandleStreams found unhandled frame type %v.", frame)
+			if logger.V(logLevel) {
+				logger.Errorf("transport: http2Server.HandleStreams found unhandled frame type %v.", frame)
+			}
 		}
 	}
 }
@@ -604,6 +625,10 @@ func (t *http2Server) handleData(f *http2.DataFrame) {
 	if !ok {
 		return
 	}
+	if s.getState() == streamReadDone {
+		t.closeStream(s, true, http2.ErrCodeStreamClosed, false)
+		return
+	}
 	if size > 0 {
 		if err := s.fc.onData(size); err != nil {
 			t.closeStream(s, true, http2.ErrCodeFlowControl, false)
@@ -724,7 +749,9 @@ func (t *http2Server) handlePing(f *http2.PingFrame) {
 
 	if t.pingStrikes > maxPingStrikes {
 		// Send goaway and close the connection.
-		errorf("transport: Got too many pings from the client, closing the connection.")
+		if logger.V(logLevel) {
+			logger.Errorf("transport: Got too many pings from the client, closing the connection.")
+		}
 		t.controlBuf.put(&goAway{code: http2.ErrCodeEnhanceYourCalm, debugData: []byte("too_many_pings"), closeConn: true})
 	}
 }
@@ -757,7 +784,9 @@ func (t *http2Server) checkForHeaderListSize(it interface{}) bool {
 	var sz int64
 	for _, f := range hdrFrame.hf {
 		if sz += int64(f.Size()); sz > int64(*t.maxSendHeaderListSize) {
-			errorf("header list size to send violates the maximum size (%d bytes) set by client", *t.maxSendHeaderListSize)
+			if logger.V(logLevel) {
+				logger.Errorf("header list size to send violates the maximum size (%d bytes) set by client", *t.maxSendHeaderListSize)
+			}
 			return false
 		}
 	}
@@ -794,7 +823,7 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error {
 	// first and create a slice of that exact size.
 	headerFields := make([]hpack.HeaderField, 0, 2) // at least :status, content-type will be there if none else.
 	headerFields = append(headerFields, hpack.HeaderField{Name: ":status", Value: "200"})
-	headerFields = append(headerFields, hpack.HeaderField{Name: "content-type", Value: contentType(s.contentSubtype)})
+	headerFields = append(headerFields, hpack.HeaderField{Name: "content-type", Value: grpcutil.ContentType(s.contentSubtype)})
 	if s.sendCompress != "" {
 		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-encoding", Value: s.sendCompress})
 	}
@@ -813,10 +842,11 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error {
 		return ErrHeaderListSizeLimitViolation
 	}
 	if t.stats != nil {
-		// Note: WireLength is not set in outHeader.
-		// TODO(mmukhi): Revisit this later, if needed.
+		// Note: Headers are compressed with hpack after this call returns.
+		// No WireLength field is set here.
 		outHeader := &stats.OutHeader{
-			Header: s.header.Copy(),
+			Header:      s.header.Copy(),
+			Compression: s.sendCompress,
 		}
 		t.stats.HandleRPC(s.Context(), outHeader)
 	}
@@ -843,17 +873,17 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
 			}
 		} else { // Send a trailer only response.
 			headerFields = append(headerFields, hpack.HeaderField{Name: ":status", Value: "200"})
-			headerFields = append(headerFields, hpack.HeaderField{Name: "content-type", Value: contentType(s.contentSubtype)})
+			headerFields = append(headerFields, hpack.HeaderField{Name: "content-type", Value: grpcutil.ContentType(s.contentSubtype)})
 		}
 	}
 	headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-status", Value: strconv.Itoa(int(st.Code()))})
 	headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-message", Value: encodeGrpcMessage(st.Message())})
 
-	if p := statusRawProto(st); p != nil && len(p.Details) > 0 {
+	if p := st.Proto(); p != nil && len(p.Details) > 0 {
 		stBytes, err := proto.Marshal(p)
 		if err != nil {
 			// TODO: return error instead, when callers are able to handle it.
-			grpclog.Errorf("transport: failed to marshal rpc status: %v, error: %v", p, err)
+			logger.Errorf("transport: failed to marshal rpc status: %v, error: %v", p, err)
 		} else {
 			headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-status-details-bin", Value: encodeBinHeader(stBytes)})
 		}
@@ -880,6 +910,8 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
 	rst := s.getState() == streamActive
 	t.finishStream(s, rst, http2.ErrCodeNo, trailingHeader, true)
 	if t.stats != nil {
+		// Note: The trailer fields are compressed with hpack after this call returns.
+		// No WireLength field is set here.
 		t.stats.HandleRPC(s.Context(), &stats.OutTrailer{
 			Trailer: s.trailer.Copy(),
 		})
@@ -911,13 +943,6 @@ func (t *http2Server) Write(s *Stream, hdr []byte, data []byte, opts *Options) e
 			return ContextErr(s.ctx.Err())
 		}
 	}
-	// Add some data to header frame so that we can equally distribute bytes across frames.
-	emptyLen := http2MaxFrameLen - len(hdr)
-	if emptyLen > len(data) {
-		emptyLen = len(data)
-	}
-	hdr = append(hdr, data[:emptyLen]...)
-	data = data[emptyLen:]
 	df := &dataFrame{
 		streamID:    s.id,
 		h:           hdr,
@@ -989,7 +1014,9 @@ func (t *http2Server) keepalive() {
 			select {
 			case <-ageTimer.C:
 				// Close the connection after grace period.
-				infof("transport: closing server transport due to maximum connection age.")
+				if logger.V(logLevel) {
+					logger.Infof("transport: closing server transport due to maximum connection age.")
+				}
 				t.Close()
 			case <-t.done:
 			}
@@ -1006,7 +1033,9 @@ func (t *http2Server) keepalive() {
 				continue
 			}
 			if outstandingPing && kpTimeoutLeft <= 0 {
-				infof("transport: closing server transport due to idleness.")
+				if logger.V(logLevel) {
+					logger.Infof("transport: closing server transport due to idleness.")
+				}
 				t.Close()
 				return
 			}
diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go
index 8f5f3349d..c7dee140c 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http_util.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go
@@ -27,6 +27,7 @@ import (
 	"math"
 	"net"
 	"net/http"
+	"net/url"
 	"strconv"
 	"strings"
 	"time"
@@ -37,6 +38,8 @@ import (
 	"golang.org/x/net/http2/hpack"
 	spb "google.golang.org/genproto/googleapis/rpc/status"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/internal/grpcutil"
 	"google.golang.org/grpc/status"
 )
 
@@ -50,7 +53,7 @@ const (
 	// "proto" as a suffix after "+" or ";".  See
 	// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests
 	// for more details.
-	baseContentType = "application/grpc"
+
 )
 
 var (
@@ -71,13 +74,6 @@ var (
 		http2.ErrCodeInadequateSecurity: codes.PermissionDenied,
 		http2.ErrCodeHTTP11Required:     codes.Internal,
 	}
-	statusCodeConvTab = map[codes.Code]http2.ErrCode{
-		codes.Internal:          http2.ErrCodeInternal,
-		codes.Canceled:          http2.ErrCodeCancel,
-		codes.Unavailable:       http2.ErrCodeRefusedStream,
-		codes.ResourceExhausted: http2.ErrCodeEnhanceYourCalm,
-		codes.PermissionDenied:  http2.ErrCodeInadequateSecurity,
-	}
 	// HTTPStatusConvTab is the HTTP status code to gRPC error code conversion table.
 	HTTPStatusConvTab = map[int]codes.Code{
 		// 400 Bad Request - INTERNAL.
@@ -97,6 +93,7 @@ var (
 		// 504 Gateway timeout - UNAVAILABLE.
 		http.StatusGatewayTimeout: codes.Unavailable,
 	}
+	logger = grpclog.Component("transport")
 )
 
 type parsedHeaderData struct {
@@ -114,6 +111,7 @@ type parsedHeaderData struct {
 	timeoutSet bool
 	timeout    time.Duration
 	method     string
+	httpMethod string
 	// key-value metadata map from the peer.
 	mdata          map[string][]string
 	statsTags      []byte
@@ -182,46 +180,6 @@ func isWhitelistedHeader(hdr string) bool {
 	}
 }
 
-// contentSubtype returns the content-subtype for the given content-type.  The
-// given content-type must be a valid content-type that starts with
-// "application/grpc". A content-subtype will follow "application/grpc" after a
-// "+" or ";". See
-// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
-// more details.
-//
-// If contentType is not a valid content-type for gRPC, the boolean
-// will be false, otherwise true. If content-type == "application/grpc",
-// "application/grpc+", or "application/grpc;", the boolean will be true,
-// but no content-subtype will be returned.
-//
-// contentType is assumed to be lowercase already.
-func contentSubtype(contentType string) (string, bool) {
-	if contentType == baseContentType {
-		return "", true
-	}
-	if !strings.HasPrefix(contentType, baseContentType) {
-		return "", false
-	}
-	// guaranteed since != baseContentType and has baseContentType prefix
-	switch contentType[len(baseContentType)] {
-	case '+', ';':
-		// this will return true for "application/grpc+" or "application/grpc;"
-		// which the previous validContentType function tested to be valid, so we
-		// just say that no content-subtype is specified in this case
-		return contentType[len(baseContentType)+1:], true
-	default:
-		return "", false
-	}
-}
-
-// contentSubtype is assumed to be lowercase
-func contentType(contentSubtype string) string {
-	if contentSubtype == "" {
-		return baseContentType
-	}
-	return baseContentType + "+" + contentSubtype
-}
-
 func (d *decodeState) status() *status.Status {
 	if d.data.statusGen == nil {
 		// No status-details were provided; generate status using code/msg.
@@ -259,11 +217,11 @@ func decodeMetadataHeader(k, v string) (string, error) {
 	return v, nil
 }
 
-func (d *decodeState) decodeHeader(frame *http2.MetaHeadersFrame) error {
+func (d *decodeState) decodeHeader(frame *http2.MetaHeadersFrame) (http2.ErrCode, error) {
 	// frame.Truncated is set to true when framer detects that the current header
 	// list size hits MaxHeaderListSize limit.
 	if frame.Truncated {
-		return status.Error(codes.Internal, "peer header list size exceeded limit")
+		return http2.ErrCodeFrameSize, status.Error(codes.Internal, "peer header list size exceeded limit")
 	}
 
 	for _, hf := range frame.Fields {
@@ -272,10 +230,10 @@ func (d *decodeState) decodeHeader(frame *http2.MetaHeadersFrame) error {
 
 	if d.data.isGRPC {
 		if d.data.grpcErr != nil {
-			return d.data.grpcErr
+			return http2.ErrCodeProtocol, d.data.grpcErr
 		}
 		if d.serverSide {
-			return nil
+			return http2.ErrCodeNo, nil
 		}
 		if d.data.rawStatusCode == nil && d.data.statusGen == nil {
 			// gRPC status doesn't exist.
@@ -287,12 +245,12 @@ func (d *decodeState) decodeHeader(frame *http2.MetaHeadersFrame) error {
 			code := int(codes.Unknown)
 			d.data.rawStatusCode = &code
 		}
-		return nil
+		return http2.ErrCodeNo, nil
 	}
 
 	// HTTP fallback mode
 	if d.data.httpErr != nil {
-		return d.data.httpErr
+		return http2.ErrCodeProtocol, d.data.httpErr
 	}
 
 	var (
@@ -307,7 +265,7 @@ func (d *decodeState) decodeHeader(frame *http2.MetaHeadersFrame) error {
 		}
 	}
 
-	return status.Error(code, d.constructHTTPErrMsg())
+	return http2.ErrCodeProtocol, status.Error(code, d.constructHTTPErrMsg())
 }
 
 // constructErrMsg constructs error message to be returned in HTTP fallback mode.
@@ -340,7 +298,7 @@ func (d *decodeState) addMetadata(k, v string) {
 func (d *decodeState) processHeaderField(f hpack.HeaderField) {
 	switch f.Name {
 	case "content-type":
-		contentSubtype, validContentType := contentSubtype(f.Value)
+		contentSubtype, validContentType := grpcutil.ContentSubtype(f.Value)
 		if !validContentType {
 			d.data.contentTypeErr = fmt.Sprintf("transport: received the unexpected content-type %q", f.Value)
 			return
@@ -406,13 +364,17 @@ func (d *decodeState) processHeaderField(f hpack.HeaderField) {
 		}
 		d.data.statsTrace = v
 		d.addMetadata(f.Name, string(v))
+	case ":method":
+		d.data.httpMethod = f.Value
 	default:
 		if isReservedHeader(f.Name) && !isWhitelistedHeader(f.Name) {
 			break
 		}
 		v, err := decodeMetadataHeader(f.Name, f.Value)
 		if err != nil {
-			errorf("Failed to decode metadata header (%q, %q): %v", f.Name, f.Value, err)
+			if logger.V(logLevel) {
+				logger.Errorf("Failed to decode metadata header (%q, %q): %v", f.Name, f.Value, err)
+			}
 			return
 		}
 		d.addMetadata(f.Name, v)
@@ -449,41 +411,6 @@ func timeoutUnitToDuration(u timeoutUnit) (d time.Duration, ok bool) {
 	return
 }
 
-const maxTimeoutValue int64 = 100000000 - 1
-
-// div does integer division and round-up the result. Note that this is
-// equivalent to (d+r-1)/r but has less chance to overflow.
-func div(d, r time.Duration) int64 {
-	if m := d % r; m > 0 {
-		return int64(d/r + 1)
-	}
-	return int64(d / r)
-}
-
-// TODO(zhaoq): It is the simplistic and not bandwidth efficient. Improve it.
-func encodeTimeout(t time.Duration) string {
-	if t <= 0 {
-		return "0n"
-	}
-	if d := div(t, time.Nanosecond); d <= maxTimeoutValue {
-		return strconv.FormatInt(d, 10) + "n"
-	}
-	if d := div(t, time.Microsecond); d <= maxTimeoutValue {
-		return strconv.FormatInt(d, 10) + "u"
-	}
-	if d := div(t, time.Millisecond); d <= maxTimeoutValue {
-		return strconv.FormatInt(d, 10) + "m"
-	}
-	if d := div(t, time.Second); d <= maxTimeoutValue {
-		return strconv.FormatInt(d, 10) + "S"
-	}
-	if d := div(t, time.Minute); d <= maxTimeoutValue {
-		return strconv.FormatInt(d, 10) + "M"
-	}
-	// Note that maxTimeoutValue * time.Hour > MaxInt64.
-	return strconv.FormatInt(div(t, time.Hour), 10) + "H"
-}
-
 func decodeTimeout(s string) (time.Duration, error) {
 	size := len(s)
 	if size < 2 {
@@ -675,3 +602,31 @@ func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, maxHeaderList
 	f.fr.ReadMetaHeaders = hpack.NewDecoder(http2InitHeaderTableSize, nil)
 	return f
 }
+
+// parseDialTarget returns the network and address to pass to dialer.
+func parseDialTarget(target string) (string, string) {
+	net := "tcp"
+	m1 := strings.Index(target, ":")
+	m2 := strings.Index(target, ":/")
+	// handle unix:addr which will fail with url.Parse
+	if m1 >= 0 && m2 < 0 {
+		if n := target[0:m1]; n == "unix" {
+			return n, target[m1+1:]
+		}
+	}
+	if m2 >= 0 {
+		t, err := url.Parse(target)
+		if err != nil {
+			return net, target
+		}
+		scheme := t.Scheme
+		addr := t.Path
+		if scheme == "unix" {
+			if addr == "" {
+				addr = t.Host
+			}
+			return scheme, addr
+		}
+	}
+	return net, target
+}
diff --git a/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go b/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go
new file mode 100644
index 000000000..96967428b
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package networktype declares the network type to be used in the default
+// dailer. Attribute of a resolver.Address.
+package networktype
+
+import (
+	"google.golang.org/grpc/resolver"
+)
+
+// keyType is the key to use for storing State in Attributes.
+type keyType string
+
+const key = keyType("grpc.internal.transport.networktype")
+
+// Set returns a copy of the provided address with attributes containing networkType.
+func Set(address resolver.Address, networkType string) resolver.Address {
+	address.Attributes = address.Attributes.WithValues(key, networkType)
+	return address
+}
+
+// Get returns the network type in the resolver.Address and true, or "", false
+// if not present.
+func Get(address resolver.Address) (string, bool) {
+	v := address.Attributes.Value(key)
+	if v == nil {
+		return "", false
+	}
+	return v.(string), true
+}
diff --git a/vendor/google.golang.org/grpc/proxy.go b/vendor/google.golang.org/grpc/internal/transport/proxy.go
similarity index 73%
rename from vendor/google.golang.org/grpc/proxy.go
rename to vendor/google.golang.org/grpc/internal/transport/proxy.go
index f8f69bfb7..a662bf39a 100644
--- a/vendor/google.golang.org/grpc/proxy.go
+++ b/vendor/google.golang.org/grpc/internal/transport/proxy.go
@@ -16,13 +16,12 @@
  *
  */
 
-package grpc
+package transport
 
 import (
 	"bufio"
 	"context"
 	"encoding/base64"
-	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -34,8 +33,6 @@ import (
 const proxyAuthHeaderKey = "Proxy-Authorization"
 
 var (
-	// errDisabled indicates that proxy is disabled for the address.
-	errDisabled = errors.New("proxy is disabled for the address")
 	// The following variable will be overwritten in the tests.
 	httpProxyFromEnvironment = http.ProxyFromEnvironment
 )
@@ -51,9 +48,6 @@ func mapAddress(ctx context.Context, address string) (*url.URL, error) {
 	if err != nil {
 		return nil, err
 	}
-	if url == nil {
-		return nil, errDisabled
-	}
 	return url, nil
 }
 
@@ -76,7 +70,7 @@ func basicAuth(username, password string) string {
 	return base64.StdEncoding.EncodeToString([]byte(auth))
 }
 
-func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr string, proxyURL *url.URL) (_ net.Conn, err error) {
+func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr string, proxyURL *url.URL, grpcUA string) (_ net.Conn, err error) {
 	defer func() {
 		if err != nil {
 			conn.Close()
@@ -115,32 +109,28 @@ func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr stri
 	return &bufConn{Conn: conn, r: r}, nil
 }
 
-// newProxyDialer returns a dialer that connects to proxy first if necessary.
-// The returned dialer checks if a proxy is necessary, dial to the proxy with the
-// provided dialer, does HTTP CONNECT handshake and returns the connection.
-func newProxyDialer(dialer func(context.Context, string) (net.Conn, error)) func(context.Context, string) (net.Conn, error) {
-	return func(ctx context.Context, addr string) (conn net.Conn, err error) {
-		var newAddr string
-		proxyURL, err := mapAddress(ctx, addr)
-		if err != nil {
-			if err != errDisabled {
-				return nil, err
-			}
-			newAddr = addr
-		} else {
-			newAddr = proxyURL.Host
-		}
+// proxyDial dials, connecting to a proxy first if necessary. Checks if a proxy
+// is necessary, dials, does the HTTP CONNECT handshake, and returns the
+// connection.
+func proxyDial(ctx context.Context, addr string, grpcUA string) (conn net.Conn, err error) {
+	newAddr := addr
+	proxyURL, err := mapAddress(ctx, addr)
+	if err != nil {
+		return nil, err
+	}
+	if proxyURL != nil {
+		newAddr = proxyURL.Host
+	}
 
-		conn, err = dialer(ctx, newAddr)
-		if err != nil {
-			return
-		}
-		if proxyURL != nil {
-			// proxy is disabled if proxyURL is nil.
-			conn, err = doHTTPConnectHandshake(ctx, conn, addr, proxyURL)
-		}
+	conn, err = (&net.Dialer{}).DialContext(ctx, "tcp", newAddr)
+	if err != nil {
 		return
 	}
+	if proxyURL != nil {
+		// proxy is disabled if proxyURL is nil.
+		conn, err = doHTTPConnectHandshake(ctx, conn, addr, proxyURL, grpcUA)
+	}
+	return
 }
 
 func sendHTTPRequest(ctx context.Context, req *http.Request, conn net.Conn) error {
diff --git a/vendor/google.golang.org/grpc/internal/transport/transport.go b/vendor/google.golang.org/grpc/internal/transport/transport.go
index a30da9eb3..6cc1031fd 100644
--- a/vendor/google.golang.org/grpc/internal/transport/transport.go
+++ b/vendor/google.golang.org/grpc/internal/transport/transport.go
@@ -35,11 +35,14 @@ import (
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"
 	"google.golang.org/grpc/tap"
 )
 
+const logLevel = 2
+
 type bufferPool struct {
 	pool sync.Pool
 }
@@ -238,6 +241,7 @@ type Stream struct {
 	ctx          context.Context    // the associated context of the stream
 	cancel       context.CancelFunc // always nil for client side Stream
 	done         chan struct{}      // closed at the end of stream to unblock writers. On the client side.
+	doneFunc     func()             // invoked at the end of stream on client side.
 	ctxDone      <-chan struct{}    // same as done chan but for server side. Cache of ctx.Done() (for performance)
 	method       string             // the associated RPC method of the stream
 	recvCompress string
@@ -566,19 +570,14 @@ type ConnectOptions struct {
 	ChannelzParentID int64
 	// MaxHeaderListSize sets the max (uncompressed) size of header list that is prepared to be received.
 	MaxHeaderListSize *uint32
-}
-
-// TargetInfo contains the information of the target such as network address and metadata.
-type TargetInfo struct {
-	Addr      string
-	Metadata  interface{}
-	Authority string
+	// UseProxy specifies if a proxy should be used.
+	UseProxy bool
 }
 
 // NewClientTransport establishes the transport with the required ConnectOptions
 // and returns it to the caller.
-func NewClientTransport(connectCtx, ctx context.Context, target TargetInfo, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
-	return newHTTP2Client(connectCtx, ctx, target, opts, onPrefaceReceipt, onGoAway, onClose)
+func NewClientTransport(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
+	return newHTTP2Client(connectCtx, ctx, addr, opts, onPrefaceReceipt, onGoAway, onClose)
 }
 
 // Options provides additional hints and information for message
@@ -613,6 +612,8 @@ type CallHdr struct {
 	ContentSubtype string
 
 	PreviousAttempts int // value of grpc-previous-rpc-attempts header to set
+
+	DoneFunc func() // called when the stream is finished
 }
 
 // ClientTransport is the common interface for all gRPC client-side transport
@@ -621,7 +622,7 @@ type ClientTransport interface {
 	// Close tears down this transport. Once it returns, the transport
 	// should not be accessed any more. The caller must make sure this
 	// is called only once.
-	Close() error
+	Close(err error)
 
 	// GracefulClose starts to tear down the transport: the transport will stop
 	// accepting new RPCs and NewStream will return error. Once all streams are
@@ -655,8 +656,9 @@ type ClientTransport interface {
 	// HTTP/2).
 	GoAway() <-chan struct{}
 
-	// GetGoAwayReason returns the reason why GoAway frame was received.
-	GetGoAwayReason() GoAwayReason
+	// GetGoAwayReason returns the reason why GoAway frame was received, along
+	// with a human readable string with debug info.
+	GetGoAwayReason() (GoAwayReason, string)
 
 	// RemoteAddr returns the remote network address.
 	RemoteAddr() net.Addr
diff --git a/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go b/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go
new file mode 100644
index 000000000..3677c3f04
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2021 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package internal
+
+import (
+	"google.golang.org/grpc/attributes"
+	"google.golang.org/grpc/resolver"
+)
+
+// handshakeClusterNameKey is the type used as the key to store cluster name in
+// the Attributes field of resolver.Address.
+type handshakeClusterNameKey struct{}
+
+// SetXDSHandshakeClusterName returns a copy of addr in which the Attributes field
+// is updated with the cluster name.
+func SetXDSHandshakeClusterName(addr resolver.Address, clusterName string) resolver.Address {
+	addr.Attributes = addr.Attributes.WithValues(handshakeClusterNameKey{}, clusterName)
+	return addr
+}
+
+// GetXDSHandshakeClusterName returns cluster name stored in attr.
+func GetXDSHandshakeClusterName(attr *attributes.Attributes) (string, bool) {
+	v := attr.Value(handshakeClusterNameKey{})
+	name, ok := v.(string)
+	return name, ok
+}
diff --git a/vendor/google.golang.org/grpc/metadata/metadata.go b/vendor/google.golang.org/grpc/metadata/metadata.go
index cf6d1b947..e4cbea917 100644
--- a/vendor/google.golang.org/grpc/metadata/metadata.go
+++ b/vendor/google.golang.org/grpc/metadata/metadata.go
@@ -75,13 +75,9 @@ func Pairs(kv ...string) MD {
 		panic(fmt.Sprintf("metadata: Pairs got the odd number of input pairs for metadata: %d", len(kv)))
 	}
 	md := MD{}
-	var key string
-	for i, s := range kv {
-		if i%2 == 0 {
-			key = strings.ToLower(s)
-			continue
-		}
-		md[key] = append(md[key], s)
+	for i := 0; i < len(kv); i += 2 {
+		key := strings.ToLower(kv[i])
+		md[key] = append(md[key], kv[i+1])
 	}
 	return md
 }
@@ -195,12 +191,18 @@ func FromOutgoingContext(ctx context.Context) (MD, bool) {
 		return nil, false
 	}
 
-	mds := make([]MD, 0, len(raw.added)+1)
-	mds = append(mds, raw.md)
-	for _, vv := range raw.added {
-		mds = append(mds, Pairs(vv...))
+	out := raw.md.Copy()
+	for _, added := range raw.added {
+		if len(added)%2 == 1 {
+			panic(fmt.Sprintf("metadata: FromOutgoingContext got an odd number of input pairs for metadata: %d", len(added)))
+		}
+
+		for i := 0; i < len(added); i += 2 {
+			key := strings.ToLower(added[i])
+			out[key] = append(out[key], added[i+1])
+		}
 	}
-	return Join(mds...), ok
+	return out, ok
 }
 
 type rawMD struct {
diff --git a/vendor/google.golang.org/grpc/naming/dns_resolver.go b/vendor/google.golang.org/grpc/naming/dns_resolver.go
deleted file mode 100644
index c9f79dc53..000000000
--- a/vendor/google.golang.org/grpc/naming/dns_resolver.go
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- *
- * Copyright 2017 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package naming
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"net"
-	"strconv"
-	"time"
-
-	"google.golang.org/grpc/grpclog"
-)
-
-const (
-	defaultPort = "443"
-	defaultFreq = time.Minute * 30
-)
-
-var (
-	errMissingAddr  = errors.New("missing address")
-	errWatcherClose = errors.New("watcher has been closed")
-
-	lookupHost = net.DefaultResolver.LookupHost
-	lookupSRV  = net.DefaultResolver.LookupSRV
-)
-
-// NewDNSResolverWithFreq creates a DNS Resolver that can resolve DNS names, and
-// create watchers that poll the DNS server using the frequency set by freq.
-func NewDNSResolverWithFreq(freq time.Duration) (Resolver, error) {
-	return &dnsResolver{freq: freq}, nil
-}
-
-// NewDNSResolver creates a DNS Resolver that can resolve DNS names, and create
-// watchers that poll the DNS server using the default frequency defined by defaultFreq.
-func NewDNSResolver() (Resolver, error) {
-	return NewDNSResolverWithFreq(defaultFreq)
-}
-
-// dnsResolver handles name resolution for names following the DNS scheme
-type dnsResolver struct {
-	// frequency of polling the DNS server that the watchers created by this resolver will use.
-	freq time.Duration
-}
-
-// formatIP returns ok = false if addr is not a valid textual representation of an IP address.
-// If addr is an IPv4 address, return the addr and ok = true.
-// If addr is an IPv6 address, return the addr enclosed in square brackets and ok = true.
-func formatIP(addr string) (addrIP string, ok bool) {
-	ip := net.ParseIP(addr)
-	if ip == nil {
-		return "", false
-	}
-	if ip.To4() != nil {
-		return addr, true
-	}
-	return "[" + addr + "]", true
-}
-
-// parseTarget takes the user input target string, returns formatted host and port info.
-// If target doesn't specify a port, set the port to be the defaultPort.
-// If target is in IPv6 format and host-name is enclosed in square brackets, brackets
-// are stripped when setting the host.
-// examples:
-// target: "www.google.com" returns host: "www.google.com", port: "443"
-// target: "ipv4-host:80" returns host: "ipv4-host", port: "80"
-// target: "[ipv6-host]" returns host: "ipv6-host", port: "443"
-// target: ":80" returns host: "localhost", port: "80"
-// target: ":" returns host: "localhost", port: "443"
-func parseTarget(target string) (host, port string, err error) {
-	if target == "" {
-		return "", "", errMissingAddr
-	}
-
-	if ip := net.ParseIP(target); ip != nil {
-		// target is an IPv4 or IPv6(without brackets) address
-		return target, defaultPort, nil
-	}
-	if host, port, err := net.SplitHostPort(target); err == nil {
-		// target has port, i.e ipv4-host:port, [ipv6-host]:port, host-name:port
-		if host == "" {
-			// Keep consistent with net.Dial(): If the host is empty, as in ":80", the local system is assumed.
-			host = "localhost"
-		}
-		if port == "" {
-			// If the port field is empty(target ends with colon), e.g. "[::1]:", defaultPort is used.
-			port = defaultPort
-		}
-		return host, port, nil
-	}
-	if host, port, err := net.SplitHostPort(target + ":" + defaultPort); err == nil {
-		// target doesn't have port
-		return host, port, nil
-	}
-	return "", "", fmt.Errorf("invalid target address %v", target)
-}
-
-// Resolve creates a watcher that watches the name resolution of the target.
-func (r *dnsResolver) Resolve(target string) (Watcher, error) {
-	host, port, err := parseTarget(target)
-	if err != nil {
-		return nil, err
-	}
-
-	if net.ParseIP(host) != nil {
-		ipWatcher := &ipWatcher{
-			updateChan: make(chan *Update, 1),
-		}
-		host, _ = formatIP(host)
-		ipWatcher.updateChan <- &Update{Op: Add, Addr: host + ":" + port}
-		return ipWatcher, nil
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	return &dnsWatcher{
-		r:      r,
-		host:   host,
-		port:   port,
-		ctx:    ctx,
-		cancel: cancel,
-		t:      time.NewTimer(0),
-	}, nil
-}
-
-// dnsWatcher watches for the name resolution update for a specific target
-type dnsWatcher struct {
-	r    *dnsResolver
-	host string
-	port string
-	// The latest resolved address set
-	curAddrs map[string]*Update
-	ctx      context.Context
-	cancel   context.CancelFunc
-	t        *time.Timer
-}
-
-// ipWatcher watches for the name resolution update for an IP address.
-type ipWatcher struct {
-	updateChan chan *Update
-}
-
-// Next returns the address resolution Update for the target. For IP address,
-// the resolution is itself, thus polling name server is unnecessary. Therefore,
-// Next() will return an Update the first time it is called, and will be blocked
-// for all following calls as no Update exists until watcher is closed.
-func (i *ipWatcher) Next() ([]*Update, error) {
-	u, ok := <-i.updateChan
-	if !ok {
-		return nil, errWatcherClose
-	}
-	return []*Update{u}, nil
-}
-
-// Close closes the ipWatcher.
-func (i *ipWatcher) Close() {
-	close(i.updateChan)
-}
-
-// AddressType indicates the address type returned by name resolution.
-type AddressType uint8
-
-const (
-	// Backend indicates the server is a backend server.
-	Backend AddressType = iota
-	// GRPCLB indicates the server is a grpclb load balancer.
-	GRPCLB
-)
-
-// AddrMetadataGRPCLB contains the information the name resolver for grpclb should provide. The
-// name resolver used by the grpclb balancer is required to provide this type of metadata in
-// its address updates.
-type AddrMetadataGRPCLB struct {
-	// AddrType is the type of server (grpc load balancer or backend).
-	AddrType AddressType
-	// ServerName is the name of the grpc load balancer. Used for authentication.
-	ServerName string
-}
-
-// compileUpdate compares the old resolved addresses and newly resolved addresses,
-// and generates an update list
-func (w *dnsWatcher) compileUpdate(newAddrs map[string]*Update) []*Update {
-	var res []*Update
-	for a, u := range w.curAddrs {
-		if _, ok := newAddrs[a]; !ok {
-			u.Op = Delete
-			res = append(res, u)
-		}
-	}
-	for a, u := range newAddrs {
-		if _, ok := w.curAddrs[a]; !ok {
-			res = append(res, u)
-		}
-	}
-	return res
-}
-
-func (w *dnsWatcher) lookupSRV() map[string]*Update {
-	newAddrs := make(map[string]*Update)
-	_, srvs, err := lookupSRV(w.ctx, "grpclb", "tcp", w.host)
-	if err != nil {
-		grpclog.Infof("grpc: failed dns SRV record lookup due to %v.\n", err)
-		return nil
-	}
-	for _, s := range srvs {
-		lbAddrs, err := lookupHost(w.ctx, s.Target)
-		if err != nil {
-			grpclog.Warningf("grpc: failed load balancer address dns lookup due to %v.\n", err)
-			continue
-		}
-		for _, a := range lbAddrs {
-			a, ok := formatIP(a)
-			if !ok {
-				grpclog.Errorf("grpc: failed IP parsing due to %v.\n", err)
-				continue
-			}
-			addr := a + ":" + strconv.Itoa(int(s.Port))
-			newAddrs[addr] = &Update{Addr: addr,
-				Metadata: AddrMetadataGRPCLB{AddrType: GRPCLB, ServerName: s.Target}}
-		}
-	}
-	return newAddrs
-}
-
-func (w *dnsWatcher) lookupHost() map[string]*Update {
-	newAddrs := make(map[string]*Update)
-	addrs, err := lookupHost(w.ctx, w.host)
-	if err != nil {
-		grpclog.Warningf("grpc: failed dns A record lookup due to %v.\n", err)
-		return nil
-	}
-	for _, a := range addrs {
-		a, ok := formatIP(a)
-		if !ok {
-			grpclog.Errorf("grpc: failed IP parsing due to %v.\n", err)
-			continue
-		}
-		addr := a + ":" + w.port
-		newAddrs[addr] = &Update{Addr: addr}
-	}
-	return newAddrs
-}
-
-func (w *dnsWatcher) lookup() []*Update {
-	newAddrs := w.lookupSRV()
-	if newAddrs == nil {
-		// If failed to get any balancer address (either no corresponding SRV for the
-		// target, or caused by failure during resolution/parsing of the balancer target),
-		// return any A record info available.
-		newAddrs = w.lookupHost()
-	}
-	result := w.compileUpdate(newAddrs)
-	w.curAddrs = newAddrs
-	return result
-}
-
-// Next returns the resolved address update(delta) for the target. If there's no
-// change, it will sleep for 30 mins and try to resolve again after that.
-func (w *dnsWatcher) Next() ([]*Update, error) {
-	for {
-		select {
-		case <-w.ctx.Done():
-			return nil, errWatcherClose
-		case <-w.t.C:
-		}
-		result := w.lookup()
-		// Next lookup should happen after an interval defined by w.r.freq.
-		w.t.Reset(w.r.freq)
-		if len(result) > 0 {
-			return result, nil
-		}
-	}
-}
-
-func (w *dnsWatcher) Close() {
-	w.cancel()
-}
diff --git a/vendor/google.golang.org/grpc/naming/naming.go b/vendor/google.golang.org/grpc/naming/naming.go
deleted file mode 100644
index f4c1c8b68..000000000
--- a/vendor/google.golang.org/grpc/naming/naming.go
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *
- * Copyright 2014 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// Package naming defines the naming API and related data structures for gRPC.
-//
-// This package is deprecated: please use package resolver instead.
-package naming
-
-// Operation defines the corresponding operations for a name resolution change.
-//
-// Deprecated: please use package resolver.
-type Operation uint8
-
-const (
-	// Add indicates a new address is added.
-	Add Operation = iota
-	// Delete indicates an existing address is deleted.
-	Delete
-)
-
-// Update defines a name resolution update. Notice that it is not valid having both
-// empty string Addr and nil Metadata in an Update.
-//
-// Deprecated: please use package resolver.
-type Update struct {
-	// Op indicates the operation of the update.
-	Op Operation
-	// Addr is the updated address. It is empty string if there is no address update.
-	Addr string
-	// Metadata is the updated metadata. It is nil if there is no metadata update.
-	// Metadata is not required for a custom naming implementation.
-	Metadata interface{}
-}
-
-// Resolver creates a Watcher for a target to track its resolution changes.
-//
-// Deprecated: please use package resolver.
-type Resolver interface {
-	// Resolve creates a Watcher for target.
-	Resolve(target string) (Watcher, error)
-}
-
-// Watcher watches for the updates on the specified target.
-//
-// Deprecated: please use package resolver.
-type Watcher interface {
-	// Next blocks until an update or error happens. It may return one or more
-	// updates. The first call should get the full set of the results. It should
-	// return an error if and only if Watcher cannot recover.
-	Next() ([]*Update, error)
-	// Close closes the Watcher.
-	Close()
-}
diff --git a/vendor/google.golang.org/grpc/picker_wrapper.go b/vendor/google.golang.org/grpc/picker_wrapper.go
index 00447894f..a58174b6f 100644
--- a/vendor/google.golang.org/grpc/picker_wrapper.go
+++ b/vendor/google.golang.org/grpc/picker_wrapper.go
@@ -20,80 +20,31 @@ package grpc
 
 import (
 	"context"
-	"fmt"
 	"io"
 	"sync"
 
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/status"
 )
 
-// v2PickerWrapper wraps a balancer.Picker while providing the
-// balancer.V2Picker API.  It requires a pickerWrapper to generate errors
-// including the latest connectionError.  To be deleted when balancer.Picker is
-// updated to the balancer.V2Picker API.
-type v2PickerWrapper struct {
-	picker  balancer.Picker
-	connErr *connErr
-}
-
-func (v *v2PickerWrapper) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
-	sc, done, err := v.picker.Pick(info.Ctx, info)
-	if err != nil {
-		if err == balancer.ErrTransientFailure {
-			return balancer.PickResult{}, balancer.TransientFailureError(fmt.Errorf("%v, latest connection error: %v", err, v.connErr.connectionError()))
-		}
-		return balancer.PickResult{}, err
-	}
-	return balancer.PickResult{SubConn: sc, Done: done}, nil
-}
-
 // pickerWrapper is a wrapper of balancer.Picker. It blocks on certain pick
 // actions and unblock when there's a picker update.
 type pickerWrapper struct {
 	mu         sync.Mutex
 	done       bool
 	blockingCh chan struct{}
-	picker     balancer.V2Picker
-
-	// The latest connection error.  TODO: remove when V1 picker is deprecated;
-	// balancer should be responsible for providing the error.
-	*connErr
-}
-
-type connErr struct {
-	mu  sync.Mutex
-	err error
-}
-
-func (c *connErr) updateConnectionError(err error) {
-	c.mu.Lock()
-	c.err = err
-	c.mu.Unlock()
-}
-
-func (c *connErr) connectionError() error {
-	c.mu.Lock()
-	err := c.err
-	c.mu.Unlock()
-	return err
+	picker     balancer.Picker
 }
 
 func newPickerWrapper() *pickerWrapper {
-	return &pickerWrapper{blockingCh: make(chan struct{}), connErr: &connErr{}}
+	return &pickerWrapper{blockingCh: make(chan struct{})}
 }
 
 // updatePicker is called by UpdateBalancerState. It unblocks all blocked pick.
 func (pw *pickerWrapper) updatePicker(p balancer.Picker) {
-	pw.updatePickerV2(&v2PickerWrapper{picker: p, connErr: pw.connErr})
-}
-
-// updatePicker is called by UpdateBalancerState. It unblocks all blocked pick.
-func (pw *pickerWrapper) updatePickerV2(p balancer.V2Picker) {
 	pw.mu.Lock()
 	if pw.done {
 		pw.mu.Unlock()
@@ -154,8 +105,6 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 				var errStr string
 				if lastPickErr != nil {
 					errStr = "latest balancer error: " + lastPickErr.Error()
-				} else if connectionErr := pw.connectionError(); connectionErr != nil {
-					errStr = "latest connection error: " + connectionErr.Error()
 				} else {
 					errStr = ctx.Err().Error()
 				}
@@ -180,23 +129,22 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 			if err == balancer.ErrNoSubConnAvailable {
 				continue
 			}
-			if tfe, ok := err.(interface{ IsTransientFailure() bool }); ok && tfe.IsTransientFailure() {
-				if !failfast {
-					lastPickErr = err
-					continue
-				}
-				return nil, nil, status.Error(codes.Unavailable, err.Error())
-			}
 			if _, ok := status.FromError(err); ok {
+				// Status error: end the RPC unconditionally with this status.
 				return nil, nil, err
 			}
-			// err is some other error.
-			return nil, nil, status.Error(codes.Unknown, err.Error())
+			// For all other errors, wait for ready RPCs should block and other
+			// RPCs should fail with unavailable.
+			if !failfast {
+				lastPickErr = err
+				continue
+			}
+			return nil, nil, status.Error(codes.Unavailable, err.Error())
 		}
 
 		acw, ok := pickResult.SubConn.(*acBalancerWrapper)
 		if !ok {
-			grpclog.Error("subconn returned from pick is not *acBalancerWrapper")
+			logger.Error("subconn returned from pick is not *acBalancerWrapper")
 			continue
 		}
 		if t, ok := acw.getAddrConn().getReadyTransport(); ok {
@@ -210,7 +158,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 			// DoneInfo with default value works.
 			pickResult.Done(balancer.DoneInfo{})
 		}
-		grpclog.Infof("blockingPicker: the picked transport is not ready, loop back to repick")
+		logger.Infof("blockingPicker: the picked transport is not ready, loop back to repick")
 		// If ok == false, ac.state is not READY.
 		// A valid picker always returns READY subConn. This means the state of ac
 		// just changed, and picker will be updated shortly.
diff --git a/vendor/google.golang.org/grpc/pickfirst.go b/vendor/google.golang.org/grpc/pickfirst.go
index c43dac9ad..b858c2a5e 100644
--- a/vendor/google.golang.org/grpc/pickfirst.go
+++ b/vendor/google.golang.org/grpc/pickfirst.go
@@ -20,13 +20,10 @@ package grpc
 
 import (
 	"errors"
+	"fmt"
 
 	"google.golang.org/grpc/balancer"
-	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/connectivity"
-	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/resolver"
-	"google.golang.org/grpc/status"
 )
 
 // PickFirstBalancerName is the name of the pick_first balancer.
@@ -52,30 +49,16 @@ type pickfirstBalancer struct {
 	sc    balancer.SubConn
 }
 
-var _ balancer.V2Balancer = &pickfirstBalancer{} // Assert we implement v2
-
-func (b *pickfirstBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) {
-	if err != nil {
-		b.ResolverError(err)
-		return
-	}
-	b.UpdateClientConnState(balancer.ClientConnState{ResolverState: resolver.State{Addresses: addrs}}) // Ignore error
-}
-
-func (b *pickfirstBalancer) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
-	b.UpdateSubConnState(sc, balancer.SubConnState{ConnectivityState: s})
-}
-
 func (b *pickfirstBalancer) ResolverError(err error) {
 	switch b.state {
 	case connectivity.TransientFailure, connectivity.Idle, connectivity.Connecting:
 		// Set a failing picker if we don't have a good picker.
 		b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.TransientFailure,
-			Picker: &picker{err: status.Errorf(codes.Unavailable, "name resolver error: %v", err)}},
-		)
+			Picker: &picker{err: fmt.Errorf("name resolver error: %v", err)},
+		})
 	}
-	if grpclog.V(2) {
-		grpclog.Infof("pickfirstBalancer: ResolverError called with error %v", err)
+	if logger.V(2) {
+		logger.Infof("pickfirstBalancer: ResolverError called with error %v", err)
 	}
 }
 
@@ -88,32 +71,32 @@ func (b *pickfirstBalancer) UpdateClientConnState(cs balancer.ClientConnState) e
 		var err error
 		b.sc, err = b.cc.NewSubConn(cs.ResolverState.Addresses, balancer.NewSubConnOptions{})
 		if err != nil {
-			if grpclog.V(2) {
-				grpclog.Errorf("pickfirstBalancer: failed to NewSubConn: %v", err)
+			if logger.V(2) {
+				logger.Errorf("pickfirstBalancer: failed to NewSubConn: %v", err)
 			}
 			b.state = connectivity.TransientFailure
 			b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.TransientFailure,
-				Picker: &picker{err: status.Errorf(codes.Unavailable, "error creating connection: %v", err)}},
-			)
+				Picker: &picker{err: fmt.Errorf("error creating connection: %v", err)},
+			})
 			return balancer.ErrBadResolverState
 		}
 		b.state = connectivity.Idle
 		b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.Idle, Picker: &picker{result: balancer.PickResult{SubConn: b.sc}}})
 		b.sc.Connect()
 	} else {
-		b.sc.UpdateAddresses(cs.ResolverState.Addresses)
+		b.cc.UpdateAddresses(b.sc, cs.ResolverState.Addresses)
 		b.sc.Connect()
 	}
 	return nil
 }
 
 func (b *pickfirstBalancer) UpdateSubConnState(sc balancer.SubConn, s balancer.SubConnState) {
-	if grpclog.V(2) {
-		grpclog.Infof("pickfirstBalancer: HandleSubConnStateChange: %p, %v", sc, s)
+	if logger.V(2) {
+		logger.Infof("pickfirstBalancer: UpdateSubConnState: %p, %v", sc, s)
 	}
 	if b.sc != sc {
-		if grpclog.V(2) {
-			grpclog.Infof("pickfirstBalancer: ignored state change because sc is not recognized")
+		if logger.V(2) {
+			logger.Infof("pickfirstBalancer: ignored state change because sc is not recognized")
 		}
 		return
 	}
@@ -129,15 +112,9 @@ func (b *pickfirstBalancer) UpdateSubConnState(sc balancer.SubConn, s balancer.S
 	case connectivity.Connecting:
 		b.cc.UpdateState(balancer.State{ConnectivityState: s.ConnectivityState, Picker: &picker{err: balancer.ErrNoSubConnAvailable}})
 	case connectivity.TransientFailure:
-		err := balancer.ErrTransientFailure
-		// TODO: this can be unconditional after the V1 API is removed, as
-		// SubConnState will always contain a connection error.
-		if s.ConnectionError != nil {
-			err = balancer.TransientFailureError(s.ConnectionError)
-		}
 		b.cc.UpdateState(balancer.State{
 			ConnectivityState: s.ConnectivityState,
-			Picker:            &picker{err: err},
+			Picker:            &picker{err: s.ConnectionError},
 		})
 	}
 }
diff --git a/vendor/google.golang.org/grpc/preloader.go b/vendor/google.golang.org/grpc/preloader.go
index 76acbbcc9..0a1e975ad 100644
--- a/vendor/google.golang.org/grpc/preloader.go
+++ b/vendor/google.golang.org/grpc/preloader.go
@@ -25,7 +25,10 @@ import (
 
 // PreparedMsg is responsible for creating a Marshalled and Compressed object.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type PreparedMsg struct {
 	// Struct for preparing msg before sending them
 	encodedData []byte
diff --git a/vendor/google.golang.org/grpc/regenerate.sh b/vendor/google.golang.org/grpc/regenerate.sh
new file mode 100644
index 000000000..dfd3226a1
--- /dev/null
+++ b/vendor/google.golang.org/grpc/regenerate.sh
@@ -0,0 +1,119 @@
+#!/bin/bash
+# Copyright 2020 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu -o pipefail
+
+WORKDIR=$(mktemp -d)
+
+function finish {
+  rm -rf "$WORKDIR"
+}
+trap finish EXIT
+
+export GOBIN=${WORKDIR}/bin
+export PATH=${GOBIN}:${PATH}
+mkdir -p ${GOBIN}
+
+echo "remove existing generated files"
+# grpc_testingv3/testv3.pb.go is not re-generated because it was
+# intentionally generated by an older version of protoc-gen-go.
+rm -f $(find . -name '*.pb.go' | grep -v 'grpc_testingv3/testv3.pb.go')
+
+echo "go install google.golang.org/protobuf/cmd/protoc-gen-go"
+(cd test/tools && go install google.golang.org/protobuf/cmd/protoc-gen-go)
+
+echo "go install cmd/protoc-gen-go-grpc"
+(cd cmd/protoc-gen-go-grpc && go install .)
+
+echo "git clone https://github.com/grpc/grpc-proto"
+git clone --quiet https://github.com/grpc/grpc-proto ${WORKDIR}/grpc-proto
+
+echo "git clone https://github.com/protocolbuffers/protobuf"
+git clone --quiet https://github.com/protocolbuffers/protobuf ${WORKDIR}/protobuf
+
+# Pull in code.proto as a proto dependency
+mkdir -p ${WORKDIR}/googleapis/google/rpc
+echo "curl https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto"
+curl --silent https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto > ${WORKDIR}/googleapis/google/rpc/code.proto
+
+mkdir -p ${WORKDIR}/out
+
+# Generates sources without the embed requirement
+LEGACY_SOURCES=(
+  ${WORKDIR}/grpc-proto/grpc/binlog/v1/binarylog.proto
+  ${WORKDIR}/grpc-proto/grpc/channelz/v1/channelz.proto
+  ${WORKDIR}/grpc-proto/grpc/health/v1/health.proto
+  ${WORKDIR}/grpc-proto/grpc/lb/v1/load_balancer.proto
+  profiling/proto/service.proto
+  reflection/grpc_reflection_v1alpha/reflection.proto
+)
+
+# Generates only the new gRPC Service symbols
+SOURCES=(
+  $(git ls-files --exclude-standard --cached --others "*.proto" | grep -v '^\(profiling/proto/service.proto\|reflection/grpc_reflection_v1alpha/reflection.proto\)$')
+  ${WORKDIR}/grpc-proto/grpc/gcp/altscontext.proto
+  ${WORKDIR}/grpc-proto/grpc/gcp/handshaker.proto
+  ${WORKDIR}/grpc-proto/grpc/gcp/transport_security_common.proto
+  ${WORKDIR}/grpc-proto/grpc/lookup/v1/rls.proto
+  ${WORKDIR}/grpc-proto/grpc/lookup/v1/rls_config.proto
+  ${WORKDIR}/grpc-proto/grpc/service_config/service_config.proto
+  ${WORKDIR}/grpc-proto/grpc/testing/*.proto
+  ${WORKDIR}/grpc-proto/grpc/core/*.proto
+)
+
+# These options of the form 'Mfoo.proto=bar' instruct the codegen to use an
+# import path of 'bar' in the generated code when 'foo.proto' is imported in
+# one of the sources.
+OPTS=Mgrpc/service_config/service_config.proto=/internal/proto/grpc_service_config,Mgrpc/core/stats.proto=google.golang.org/grpc/interop/grpc_testing/core
+
+for src in ${SOURCES[@]}; do
+  echo "protoc ${src}"
+  protoc --go_out=${OPTS}:${WORKDIR}/out --go-grpc_out=${OPTS}:${WORKDIR}/out \
+    -I"." \
+    -I${WORKDIR}/grpc-proto \
+    -I${WORKDIR}/googleapis \
+    -I${WORKDIR}/protobuf/src \
+    -I${WORKDIR}/istio \
+    ${src}
+done
+
+for src in ${LEGACY_SOURCES[@]}; do
+  echo "protoc ${src}"
+  protoc --go_out=${OPTS}:${WORKDIR}/out --go-grpc_out=${OPTS},require_unimplemented_servers=false:${WORKDIR}/out \
+    -I"." \
+    -I${WORKDIR}/grpc-proto \
+    -I${WORKDIR}/googleapis \
+    -I${WORKDIR}/protobuf/src \
+    -I${WORKDIR}/istio \
+    ${src}
+done
+
+# The go_package option in grpc/lookup/v1/rls.proto doesn't match the
+# current location. Move it into the right place.
+mkdir -p ${WORKDIR}/out/google.golang.org/grpc/balancer/rls/internal/proto/grpc_lookup_v1
+mv ${WORKDIR}/out/google.golang.org/grpc/lookup/grpc_lookup_v1/* ${WORKDIR}/out/google.golang.org/grpc/balancer/rls/internal/proto/grpc_lookup_v1
+
+# grpc_testingv3/testv3.pb.go is not re-generated because it was
+# intentionally generated by an older version of protoc-gen-go.
+rm ${WORKDIR}/out/google.golang.org/grpc/reflection/grpc_testingv3/*.pb.go
+
+# grpc/service_config/service_config.proto does not have a go_package option.
+mv ${WORKDIR}/out/grpc/service_config/service_config.pb.go internal/proto/grpc_service_config
+
+# grpc/testing does not have a go_package option.
+mv ${WORKDIR}/out/grpc/testing/*.pb.go interop/grpc_testing/
+mv ${WORKDIR}/out/grpc/core/*.pb.go interop/grpc_testing/core/
+
+cp -R ${WORKDIR}/out/google.golang.org/grpc/* .
diff --git a/vendor/google.golang.org/grpc/resolver/resolver.go b/vendor/google.golang.org/grpc/resolver/resolver.go
index fe14b2fb9..6a9d234a5 100644
--- a/vendor/google.golang.org/grpc/resolver/resolver.go
+++ b/vendor/google.golang.org/grpc/resolver/resolver.go
@@ -85,12 +85,19 @@ const (
 	Backend AddressType = iota
 	// GRPCLB indicates the address is for a grpclb load balancer.
 	//
-	// Deprecated: use Attributes in Address instead.
+	// Deprecated: to select the GRPCLB load balancing policy, use a service
+	// config with a corresponding loadBalancingConfig.  To supply balancer
+	// addresses to the GRPCLB load balancing policy, set State.Attributes
+	// using balancer/grpclb/state.Set.
 	GRPCLB
 )
 
 // Address represents a server the client connects to.
-// This is the EXPERIMENTAL API and may be changed or extended in the future.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type Address struct {
 	// Addr is the server address on which a connection will be established.
 	Addr string
@@ -174,7 +181,7 @@ type State struct {
 // gRPC to add new methods to this interface.
 type ClientConn interface {
 	// UpdateState updates the state of the ClientConn appropriately.
-	UpdateState(State)
+	UpdateState(State) error
 	// ReportError notifies the ClientConn that the Resolver encountered an
 	// error.  The ClientConn will notify the load balancer and begin calling
 	// ResolveNow on the Resolver with exponential backoff.
diff --git a/vendor/google.golang.org/grpc/resolver_conn_wrapper.go b/vendor/google.golang.org/grpc/resolver_conn_wrapper.go
index 3eaf724cd..4118de571 100644
--- a/vendor/google.golang.org/grpc/resolver_conn_wrapper.go
+++ b/vendor/google.golang.org/grpc/resolver_conn_wrapper.go
@@ -22,11 +22,9 @@ import (
 	"fmt"
 	"strings"
 	"sync"
-	"time"
 
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/resolver"
@@ -41,37 +39,6 @@ type ccResolverWrapper struct {
 	resolver   resolver.Resolver
 	done       *grpcsync.Event
 	curState   resolver.State
-
-	pollingMu sync.Mutex
-	polling   chan struct{}
-}
-
-// split2 returns the values from strings.SplitN(s, sep, 2).
-// If sep is not found, it returns ("", "", false) instead.
-func split2(s, sep string) (string, string, bool) {
-	spl := strings.SplitN(s, sep, 2)
-	if len(spl) < 2 {
-		return "", "", false
-	}
-	return spl[0], spl[1], true
-}
-
-// parseTarget splits target into a struct containing scheme, authority and
-// endpoint.
-//
-// If target is not a valid scheme://authority/endpoint, it returns {Endpoint:
-// target}.
-func parseTarget(target string) (ret resolver.Target) {
-	var ok bool
-	ret.Scheme, ret.Endpoint, ok = split2(target, "://")
-	if !ok {
-		return resolver.Target{Endpoint: target}
-	}
-	ret.Authority, ret.Endpoint, ok = split2(ret.Endpoint, "/")
-	if !ok {
-		return resolver.Target{Endpoint: target}
-	}
-	return ret
 }
 
 // newCCResolverWrapper uses the resolver.Builder to build a Resolver and
@@ -122,73 +89,27 @@ func (ccr *ccResolverWrapper) close() {
 	ccr.resolverMu.Unlock()
 }
 
-// poll begins or ends asynchronous polling of the resolver based on whether
-// err is ErrBadResolverState.
-func (ccr *ccResolverWrapper) poll(err error) {
-	ccr.pollingMu.Lock()
-	defer ccr.pollingMu.Unlock()
-	if err != balancer.ErrBadResolverState {
-		// stop polling
-		if ccr.polling != nil {
-			close(ccr.polling)
-			ccr.polling = nil
-		}
-		return
-	}
-	if ccr.polling != nil {
-		// already polling
-		return
-	}
-	p := make(chan struct{})
-	ccr.polling = p
-	go func() {
-		for i := 0; ; i++ {
-			ccr.resolveNow(resolver.ResolveNowOptions{})
-			t := time.NewTimer(ccr.cc.dopts.resolveNowBackoff(i))
-			select {
-			case <-p:
-				t.Stop()
-				return
-			case <-ccr.done.Done():
-				// Resolver has been closed.
-				t.Stop()
-				return
-			case <-t.C:
-				select {
-				case <-p:
-					return
-				default:
-				}
-				// Timer expired; re-resolve.
-			}
-		}
-	}()
-}
-
-func (ccr *ccResolverWrapper) UpdateState(s resolver.State) {
+func (ccr *ccResolverWrapper) UpdateState(s resolver.State) error {
 	if ccr.done.HasFired() {
-		return
+		return nil
 	}
-	grpclog.Infof("ccResolverWrapper: sending update to cc: %v", s)
+	channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: sending update to cc: %v", s)
 	if channelz.IsOn() {
 		ccr.addChannelzTraceEvent(s)
 	}
 	ccr.curState = s
-	ccr.poll(ccr.cc.updateResolverState(ccr.curState, nil))
+	if err := ccr.cc.updateResolverState(ccr.curState, nil); err == balancer.ErrBadResolverState {
+		return balancer.ErrBadResolverState
+	}
+	return nil
 }
 
 func (ccr *ccResolverWrapper) ReportError(err error) {
 	if ccr.done.HasFired() {
 		return
 	}
-	grpclog.Warningf("ccResolverWrapper: reporting error to cc: %v", err)
-	if channelz.IsOn() {
-		channelz.AddTraceEvent(ccr.cc.channelzID, &channelz.TraceEventDesc{
-			Desc:     fmt.Sprintf("Resolver reported error: %v", err),
-			Severity: channelz.CtWarning,
-		})
-	}
-	ccr.poll(ccr.cc.updateResolverState(resolver.State{}, err))
+	channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: reporting error to cc: %v", err)
+	ccr.cc.updateResolverState(resolver.State{}, err)
 }
 
 // NewAddress is called by the resolver implementation to send addresses to gRPC.
@@ -196,12 +117,12 @@ func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
 	if ccr.done.HasFired() {
 		return
 	}
-	grpclog.Infof("ccResolverWrapper: sending new addresses to cc: %v", addrs)
+	channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: sending new addresses to cc: %v", addrs)
 	if channelz.IsOn() {
 		ccr.addChannelzTraceEvent(resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig})
 	}
 	ccr.curState.Addresses = addrs
-	ccr.poll(ccr.cc.updateResolverState(ccr.curState, nil))
+	ccr.cc.updateResolverState(ccr.curState, nil)
 }
 
 // NewServiceConfig is called by the resolver implementation to send service
@@ -210,28 +131,21 @@ func (ccr *ccResolverWrapper) NewServiceConfig(sc string) {
 	if ccr.done.HasFired() {
 		return
 	}
-	grpclog.Infof("ccResolverWrapper: got new service config: %v", sc)
+	channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: got new service config: %v", sc)
 	if ccr.cc.dopts.disableServiceConfig {
-		grpclog.Infof("Service config lookups disabled; ignoring config")
+		channelz.Info(logger, ccr.cc.channelzID, "Service config lookups disabled; ignoring config")
 		return
 	}
 	scpr := parseServiceConfig(sc)
 	if scpr.Err != nil {
-		grpclog.Warningf("ccResolverWrapper: error parsing service config: %v", scpr.Err)
-		if channelz.IsOn() {
-			channelz.AddTraceEvent(ccr.cc.channelzID, &channelz.TraceEventDesc{
-				Desc:     fmt.Sprintf("Error parsing service config: %v", scpr.Err),
-				Severity: channelz.CtWarning,
-			})
-		}
-		ccr.poll(balancer.ErrBadResolverState)
+		channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: error parsing service config: %v", scpr.Err)
 		return
 	}
 	if channelz.IsOn() {
 		ccr.addChannelzTraceEvent(resolver.State{Addresses: ccr.curState.Addresses, ServiceConfig: scpr})
 	}
 	ccr.curState.ServiceConfig = scpr
-	ccr.poll(ccr.cc.updateResolverState(ccr.curState, nil))
+	ccr.cc.updateResolverState(ccr.curState, nil)
 }
 
 func (ccr *ccResolverWrapper) ParseServiceConfig(scJSON string) *serviceconfig.ParseResult {
@@ -256,8 +170,8 @@ func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) {
 	} else if len(ccr.curState.Addresses) == 0 && len(s.Addresses) > 0 {
 		updates = append(updates, "resolver returned new addresses")
 	}
-	channelz.AddTraceEvent(ccr.cc.channelzID, &channelz.TraceEventDesc{
+	channelz.AddTraceEvent(logger, ccr.cc.channelzID, 0, &channelz.TraceEventDesc{
 		Desc:     fmt.Sprintf("Resolver state updated: %+v (%v)", s, strings.Join(updates, "; ")),
-		Severity: channelz.CtINFO,
+		Severity: channelz.CtInfo,
 	})
 }
diff --git a/vendor/google.golang.org/grpc/rpc_util.go b/vendor/google.golang.org/grpc/rpc_util.go
index d3a4adc5e..6db356fa5 100644
--- a/vendor/google.golang.org/grpc/rpc_util.go
+++ b/vendor/google.golang.org/grpc/rpc_util.go
@@ -27,7 +27,6 @@ import (
 	"io"
 	"io/ioutil"
 	"math"
-	"net/url"
 	"strings"
 	"sync"
 	"time"
@@ -155,7 +154,6 @@ func (d *gzipDecompressor) Type() string {
 type callInfo struct {
 	compressorType        string
 	failFast              bool
-	stream                ClientStream
 	maxReceiveMessageSize *int
 	maxSendMessageSize    *int
 	creds                 credentials.PerRPCCredentials
@@ -180,7 +178,7 @@ type CallOption interface {
 
 	// after is called after the call has completed.  after cannot return an
 	// error, so any failures should be reported via output parameters.
-	after(*callInfo)
+	after(*callInfo, *csAttempt)
 }
 
 // EmptyCallOption does not alter the Call configuration.
@@ -188,8 +186,8 @@ type CallOption interface {
 // by interceptors.
 type EmptyCallOption struct{}
 
-func (EmptyCallOption) before(*callInfo) error { return nil }
-func (EmptyCallOption) after(*callInfo)        {}
+func (EmptyCallOption) before(*callInfo) error      { return nil }
+func (EmptyCallOption) after(*callInfo, *csAttempt) {}
 
 // Header returns a CallOptions that retrieves the header metadata
 // for a unary RPC.
@@ -199,16 +197,18 @@ func Header(md *metadata.MD) CallOption {
 
 // HeaderCallOption is a CallOption for collecting response header metadata.
 // The metadata field will be populated *after* the RPC completes.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type HeaderCallOption struct {
 	HeaderAddr *metadata.MD
 }
 
 func (o HeaderCallOption) before(c *callInfo) error { return nil }
-func (o HeaderCallOption) after(c *callInfo) {
-	if c.stream != nil {
-		*o.HeaderAddr, _ = c.stream.Header()
-	}
+func (o HeaderCallOption) after(c *callInfo, attempt *csAttempt) {
+	*o.HeaderAddr, _ = attempt.s.Header()
 }
 
 // Trailer returns a CallOptions that retrieves the trailer metadata
@@ -219,16 +219,18 @@ func Trailer(md *metadata.MD) CallOption {
 
 // TrailerCallOption is a CallOption for collecting response trailer metadata.
 // The metadata field will be populated *after* the RPC completes.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type TrailerCallOption struct {
 	TrailerAddr *metadata.MD
 }
 
 func (o TrailerCallOption) before(c *callInfo) error { return nil }
-func (o TrailerCallOption) after(c *callInfo) {
-	if c.stream != nil {
-		*o.TrailerAddr = c.stream.Trailer()
-	}
+func (o TrailerCallOption) after(c *callInfo, attempt *csAttempt) {
+	*o.TrailerAddr = attempt.s.Trailer()
 }
 
 // Peer returns a CallOption that retrieves peer information for a unary RPC.
@@ -239,17 +241,19 @@ func Peer(p *peer.Peer) CallOption {
 
 // PeerCallOption is a CallOption for collecting the identity of the remote
 // peer. The peer field will be populated *after* the RPC completes.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type PeerCallOption struct {
 	PeerAddr *peer.Peer
 }
 
 func (o PeerCallOption) before(c *callInfo) error { return nil }
-func (o PeerCallOption) after(c *callInfo) {
-	if c.stream != nil {
-		if x, ok := peer.FromContext(c.stream.Context()); ok {
-			*o.PeerAddr = *x
-		}
+func (o PeerCallOption) after(c *callInfo, attempt *csAttempt) {
+	if x, ok := peer.FromContext(attempt.s.Context()); ok {
+		*o.PeerAddr = *x
 	}
 }
 
@@ -276,7 +280,11 @@ func FailFast(failFast bool) CallOption {
 
 // FailFastCallOption is a CallOption for indicating whether an RPC should fail
 // fast or not.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type FailFastCallOption struct {
 	FailFast bool
 }
@@ -285,16 +293,21 @@ func (o FailFastCallOption) before(c *callInfo) error {
 	c.failFast = o.FailFast
 	return nil
 }
-func (o FailFastCallOption) after(c *callInfo) {}
+func (o FailFastCallOption) after(c *callInfo, attempt *csAttempt) {}
 
-// MaxCallRecvMsgSize returns a CallOption which sets the maximum message size the client can receive.
-func MaxCallRecvMsgSize(s int) CallOption {
-	return MaxRecvMsgSizeCallOption{MaxRecvMsgSize: s}
+// MaxCallRecvMsgSize returns a CallOption which sets the maximum message size
+// in bytes the client can receive.
+func MaxCallRecvMsgSize(bytes int) CallOption {
+	return MaxRecvMsgSizeCallOption{MaxRecvMsgSize: bytes}
 }
 
 // MaxRecvMsgSizeCallOption is a CallOption that indicates the maximum message
-// size the client can receive.
-// This is an EXPERIMENTAL API.
+// size in bytes the client can receive.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type MaxRecvMsgSizeCallOption struct {
 	MaxRecvMsgSize int
 }
@@ -303,16 +316,21 @@ func (o MaxRecvMsgSizeCallOption) before(c *callInfo) error {
 	c.maxReceiveMessageSize = &o.MaxRecvMsgSize
 	return nil
 }
-func (o MaxRecvMsgSizeCallOption) after(c *callInfo) {}
+func (o MaxRecvMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
 
-// MaxCallSendMsgSize returns a CallOption which sets the maximum message size the client can send.
-func MaxCallSendMsgSize(s int) CallOption {
-	return MaxSendMsgSizeCallOption{MaxSendMsgSize: s}
+// MaxCallSendMsgSize returns a CallOption which sets the maximum message size
+// in bytes the client can send.
+func MaxCallSendMsgSize(bytes int) CallOption {
+	return MaxSendMsgSizeCallOption{MaxSendMsgSize: bytes}
 }
 
 // MaxSendMsgSizeCallOption is a CallOption that indicates the maximum message
-// size the client can send.
-// This is an EXPERIMENTAL API.
+// size in bytes the client can send.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type MaxSendMsgSizeCallOption struct {
 	MaxSendMsgSize int
 }
@@ -321,7 +339,7 @@ func (o MaxSendMsgSizeCallOption) before(c *callInfo) error {
 	c.maxSendMessageSize = &o.MaxSendMsgSize
 	return nil
 }
-func (o MaxSendMsgSizeCallOption) after(c *callInfo) {}
+func (o MaxSendMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
 
 // PerRPCCredentials returns a CallOption that sets credentials.PerRPCCredentials
 // for a call.
@@ -331,7 +349,11 @@ func PerRPCCredentials(creds credentials.PerRPCCredentials) CallOption {
 
 // PerRPCCredsCallOption is a CallOption that indicates the per-RPC
 // credentials to use for the call.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type PerRPCCredsCallOption struct {
 	Creds credentials.PerRPCCredentials
 }
@@ -340,19 +362,26 @@ func (o PerRPCCredsCallOption) before(c *callInfo) error {
 	c.creds = o.Creds
 	return nil
 }
-func (o PerRPCCredsCallOption) after(c *callInfo) {}
+func (o PerRPCCredsCallOption) after(c *callInfo, attempt *csAttempt) {}
 
 // UseCompressor returns a CallOption which sets the compressor used when
 // sending the request.  If WithCompressor is also set, UseCompressor has
 // higher priority.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func UseCompressor(name string) CallOption {
 	return CompressorCallOption{CompressorType: name}
 }
 
 // CompressorCallOption is a CallOption that indicates the compressor to use.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type CompressorCallOption struct {
 	CompressorType string
 }
@@ -361,7 +390,7 @@ func (o CompressorCallOption) before(c *callInfo) error {
 	c.compressorType = o.CompressorType
 	return nil
 }
-func (o CompressorCallOption) after(c *callInfo) {}
+func (o CompressorCallOption) after(c *callInfo, attempt *csAttempt) {}
 
 // CallContentSubtype returns a CallOption that will set the content-subtype
 // for a call. For example, if content-subtype is "json", the Content-Type over
@@ -385,7 +414,11 @@ func CallContentSubtype(contentSubtype string) CallOption {
 
 // ContentSubtypeCallOption is a CallOption that indicates the content-subtype
 // used for marshaling messages.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type ContentSubtypeCallOption struct {
 	ContentSubtype string
 }
@@ -394,11 +427,12 @@ func (o ContentSubtypeCallOption) before(c *callInfo) error {
 	c.contentSubtype = o.ContentSubtype
 	return nil
 }
-func (o ContentSubtypeCallOption) after(c *callInfo) {}
+func (o ContentSubtypeCallOption) after(c *callInfo, attempt *csAttempt) {}
 
-// ForceCodec returns a CallOption that will set the given Codec to be
-// used for all request and response messages for a call. The result of calling
-// String() will be used as the content-subtype in a case-insensitive manner.
+// ForceCodec returns a CallOption that will set codec to be used for all
+// request and response messages for a call. The result of calling Name() will
+// be used as the content-subtype after converting to lowercase, unless
+// CallContentSubtype is also used.
 //
 // See Content-Type on
 // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
@@ -409,7 +443,10 @@ func (o ContentSubtypeCallOption) after(c *callInfo) {}
 // This function is provided for advanced users; prefer to use only
 // CallContentSubtype to select a registered codec instead.
 //
-// This is an EXPERIMENTAL API.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func ForceCodec(codec encoding.Codec) CallOption {
 	return ForceCodecCallOption{Codec: codec}
 }
@@ -417,7 +454,10 @@ func ForceCodec(codec encoding.Codec) CallOption {
 // ForceCodecCallOption is a CallOption that indicates the codec used for
 // marshaling messages.
 //
-// This is an EXPERIMENTAL API.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type ForceCodecCallOption struct {
 	Codec encoding.Codec
 }
@@ -426,7 +466,7 @@ func (o ForceCodecCallOption) before(c *callInfo) error {
 	c.codec = o.Codec
 	return nil
 }
-func (o ForceCodecCallOption) after(c *callInfo) {}
+func (o ForceCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
 
 // CallCustomCodec behaves like ForceCodec, but accepts a grpc.Codec instead of
 // an encoding.Codec.
@@ -439,7 +479,10 @@ func CallCustomCodec(codec Codec) CallOption {
 // CustomCodecCallOption is a CallOption that indicates the codec used for
 // marshaling messages.
 //
-// This is an EXPERIMENTAL API.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type CustomCodecCallOption struct {
 	Codec Codec
 }
@@ -448,19 +491,26 @@ func (o CustomCodecCallOption) before(c *callInfo) error {
 	c.codec = o.Codec
 	return nil
 }
-func (o CustomCodecCallOption) after(c *callInfo) {}
+func (o CustomCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
 
 // MaxRetryRPCBufferSize returns a CallOption that limits the amount of memory
 // used for buffering this RPC's requests for retry purposes.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func MaxRetryRPCBufferSize(bytes int) CallOption {
 	return MaxRetryRPCBufferSizeCallOption{bytes}
 }
 
 // MaxRetryRPCBufferSizeCallOption is a CallOption indicating the amount of
 // memory to be used for caching this RPC for retry purposes.
-// This is an EXPERIMENTAL API.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type MaxRetryRPCBufferSizeCallOption struct {
 	MaxRetryRPCBufferSize int
 }
@@ -469,7 +519,7 @@ func (o MaxRetryRPCBufferSizeCallOption) before(c *callInfo) error {
 	c.maxRetryRPCBufferSize = o.MaxRetryRPCBufferSize
 	return nil
 }
-func (o MaxRetryRPCBufferSizeCallOption) after(c *callInfo) {}
+func (o MaxRetryRPCBufferSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
 
 // The format of the payload: compressed or not?
 type payloadFormat uint8
@@ -804,7 +854,17 @@ func toRPCErr(err error) error {
 // setCallInfoCodec should only be called after CallOptions have been applied.
 func setCallInfoCodec(c *callInfo) error {
 	if c.codec != nil {
-		// codec was already set by a CallOption; use it.
+		// codec was already set by a CallOption; use it, but set the content
+		// subtype if it is not set.
+		if c.contentSubtype == "" {
+			// c.codec is a baseCodec to hide the difference between grpc.Codec and
+			// encoding.Codec (Name vs. String method name).  We only support
+			// setting content subtype from encoding.Codec to avoid a behavior
+			// change with the deprecated version.
+			if ec, ok := c.codec.(encoding.Codec); ok {
+				c.contentSubtype = strings.ToLower(ec.Name())
+			}
+		}
 		return nil
 	}
 
@@ -822,40 +882,6 @@ func setCallInfoCodec(c *callInfo) error {
 	return nil
 }
 
-// parseDialTarget returns the network and address to pass to dialer
-func parseDialTarget(target string) (net string, addr string) {
-	net = "tcp"
-
-	m1 := strings.Index(target, ":")
-	m2 := strings.Index(target, ":/")
-
-	// handle unix:addr which will fail with url.Parse
-	if m1 >= 0 && m2 < 0 {
-		if n := target[0:m1]; n == "unix" {
-			net = n
-			addr = target[m1+1:]
-			return net, addr
-		}
-	}
-	if m2 >= 0 {
-		t, err := url.Parse(target)
-		if err != nil {
-			return net, target
-		}
-		scheme := t.Scheme
-		addr = t.Path
-		if scheme == "unix" {
-			net = scheme
-			if addr == "" {
-				addr = t.Host
-			}
-			return net, addr
-		}
-	}
-
-	return net, target
-}
-
 // channelzData is used to store channelz related data for ClientConn, addrConn and Server.
 // These fields cannot be embedded in the original structs (e.g. ClientConn), since to do atomic
 // operation on int64 variable on 32-bit machine, user is responsible to enforce memory alignment.
@@ -871,10 +897,9 @@ type channelzData struct {
 
 // The SupportPackageIsVersion variables are referenced from generated protocol
 // buffer files to ensure compatibility with the gRPC version used.  The latest
-// support package version is 6.
+// support package version is 7.
 //
-// Older versions are kept for compatibility. They may be removed if
-// compatibility cannot be maintained.
+// Older versions are kept for compatibility.
 //
 // These constants should not be referenced from any other code.
 const (
@@ -882,6 +907,7 @@ const (
 	SupportPackageIsVersion4 = true
 	SupportPackageIsVersion5 = true
 	SupportPackageIsVersion6 = true
+	SupportPackageIsVersion7 = true
 )
 
 const grpcUA = "grpc-go/" + Version
diff --git a/vendor/google.golang.org/grpc/server.go b/vendor/google.golang.org/grpc/server.go
index 0d75cb109..0a151dee4 100644
--- a/vendor/google.golang.org/grpc/server.go
+++ b/vendor/google.golang.org/grpc/server.go
@@ -40,8 +40,10 @@ import (
 	"google.golang.org/grpc/encoding"
 	"google.golang.org/grpc/encoding/proto"
 	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/binarylog"
 	"google.golang.org/grpc/internal/channelz"
+	"google.golang.org/grpc/internal/grpcrand"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/keepalive"
@@ -55,9 +57,26 @@ import (
 const (
 	defaultServerMaxReceiveMessageSize = 1024 * 1024 * 4
 	defaultServerMaxSendMessageSize    = math.MaxInt32
+
+	// Server transports are tracked in a map which is keyed on listener
+	// address. For regular gRPC traffic, connections are accepted in Serve()
+	// through a call to Accept(), and we use the actual listener address as key
+	// when we add it to the map. But for connections received through
+	// ServeHTTP(), we do not have a listener and hence use this dummy value.
+	listenerAddressForServeHTTP = "listenerAddressForServeHTTP"
 )
 
+func init() {
+	internal.GetServerCredentials = func(srv *Server) credentials.TransportCredentials {
+		return srv.opts.creds
+	}
+	internal.DrainServerTransports = func(srv *Server, addr string) {
+		srv.drainServerTransports(addr)
+	}
+}
+
 var statusOK = status.New(codes.OK, "")
+var logger = grpclog.Component("core")
 
 type methodHandler func(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor UnaryServerInterceptor) (interface{}, error)
 
@@ -78,27 +97,37 @@ type ServiceDesc struct {
 	Metadata    interface{}
 }
 
-// service consists of the information of the server serving this service and
-// the methods in this service.
-type service struct {
-	server interface{} // the server for service methods
-	md     map[string]*MethodDesc
-	sd     map[string]*StreamDesc
-	mdata  interface{}
+// serviceInfo wraps information about a service. It is very similar to
+// ServiceDesc and is constructed from it for internal purposes.
+type serviceInfo struct {
+	// Contains the implementation for the methods in this service.
+	serviceImpl interface{}
+	methods     map[string]*MethodDesc
+	streams     map[string]*StreamDesc
+	mdata       interface{}
+}
+
+type serverWorkerData struct {
+	st     transport.ServerTransport
+	wg     *sync.WaitGroup
+	stream *transport.Stream
 }
 
 // Server is a gRPC server to serve RPC requests.
 type Server struct {
 	opts serverOptions
 
-	mu     sync.Mutex // guards following
-	lis    map[net.Listener]bool
-	conns  map[transport.ServerTransport]bool
-	serve  bool
-	drain  bool
-	cv     *sync.Cond          // signaled when connections close for GracefulStop
-	m      map[string]*service // service name -> service info
-	events trace.EventLog
+	mu  sync.Mutex // guards following
+	lis map[net.Listener]bool
+	// conns contains all active server transports. It is a map keyed on a
+	// listener address with the value being the set of active transports
+	// belonging to that listener.
+	conns    map[string]map[transport.ServerTransport]bool
+	serve    bool
+	drain    bool
+	cv       *sync.Cond              // signaled when connections close for GracefulStop
+	services map[string]*serviceInfo // service name -> service info
+	events   trace.EventLog
 
 	quit               *grpcsync.Event
 	done               *grpcsync.Event
@@ -107,6 +136,8 @@ type Server struct {
 
 	channelzID int64 // channelz unique identification number
 	czData     *channelzData
+
+	serverWorkerChannels []chan *serverWorkerData
 }
 
 type serverOptions struct {
@@ -116,6 +147,8 @@ type serverOptions struct {
 	dc                    Decompressor
 	unaryInt              UnaryServerInterceptor
 	streamInt             StreamServerInterceptor
+	chainUnaryInts        []UnaryServerInterceptor
+	chainStreamInts       []StreamServerInterceptor
 	inTapHandle           tap.ServerInHandle
 	statsHandler          stats.Handler
 	maxConcurrentStreams  uint32
@@ -131,6 +164,7 @@ type serverOptions struct {
 	connectionTimeout     time.Duration
 	maxHeaderListSize     *uint32
 	headerTableSize       *uint32
+	numServerWorkers      uint32
 }
 
 var defaultServerOptions = serverOptions{
@@ -149,7 +183,10 @@ type ServerOption interface {
 // EmptyServerOption does not alter the server configuration. It can be embedded
 // in another structure to build custom server options.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type EmptyServerOption struct{}
 
 func (EmptyServerOption) apply(*serverOptions) {}
@@ -211,7 +248,7 @@ func InitialConnWindowSize(s int32) ServerOption {
 // KeepaliveParams returns a ServerOption that sets keepalive and max-age parameters for the server.
 func KeepaliveParams(kp keepalive.ServerParameters) ServerOption {
 	if kp.Time > 0 && kp.Time < time.Second {
-		grpclog.Warning("Adjusting keepalive ping interval to minimum period of 1s")
+		logger.Warning("Adjusting keepalive ping interval to minimum period of 1s")
 		kp.Time = time.Second
 	}
 
@@ -230,19 +267,55 @@ func KeepaliveEnforcementPolicy(kep keepalive.EnforcementPolicy) ServerOption {
 // CustomCodec returns a ServerOption that sets a codec for message marshaling and unmarshaling.
 //
 // This will override any lookups by content-subtype for Codecs registered with RegisterCodec.
+//
+// Deprecated: register codecs using encoding.RegisterCodec. The server will
+// automatically use registered codecs based on the incoming requests' headers.
+// See also
+// https://github.com/grpc/grpc-go/blob/master/Documentation/encoding.md#using-a-codec.
+// Will be supported throughout 1.x.
 func CustomCodec(codec Codec) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.codec = codec
 	})
 }
 
+// ForceServerCodec returns a ServerOption that sets a codec for message
+// marshaling and unmarshaling.
+//
+// This will override any lookups by content-subtype for Codecs registered
+// with RegisterCodec.
+//
+// See Content-Type on
+// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
+// more details. Also see the documentation on RegisterCodec and
+// CallContentSubtype for more details on the interaction between encoding.Codec
+// and content-subtype.
+//
+// This function is provided for advanced users; prefer to register codecs
+// using encoding.RegisterCodec.
+// The server will automatically use registered codecs based on the incoming
+// requests' headers. See also
+// https://github.com/grpc/grpc-go/blob/master/Documentation/encoding.md#using-a-codec.
+// Will be supported throughout 1.x.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func ForceServerCodec(codec encoding.Codec) ServerOption {
+	return newFuncServerOption(func(o *serverOptions) {
+		o.codec = codec
+	})
+}
+
 // RPCCompressor returns a ServerOption that sets a compressor for outbound
 // messages.  For backward compatibility, all outbound messages will be sent
 // using this compressor, regardless of incoming message compression.  By
 // default, server messages will be sent using the same compressor with which
 // request messages were sent.
 //
-// Deprecated: use encoding.RegisterCompressor instead.
+// Deprecated: use encoding.RegisterCompressor instead. Will be supported
+// throughout 1.x.
 func RPCCompressor(cp Compressor) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.cp = cp
@@ -253,7 +326,8 @@ func RPCCompressor(cp Compressor) ServerOption {
 // messages.  It has higher priority than decompressors registered via
 // encoding.RegisterCompressor.
 //
-// Deprecated: use encoding.RegisterCompressor instead.
+// Deprecated: use encoding.RegisterCompressor instead. Will be supported
+// throughout 1.x.
 func RPCDecompressor(dc Decompressor) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.dc = dc
@@ -263,7 +337,7 @@ func RPCDecompressor(dc Decompressor) ServerOption {
 // MaxMsgSize returns a ServerOption to set the max message size in bytes the server can receive.
 // If this is not set, gRPC uses the default limit.
 //
-// Deprecated: use MaxRecvMsgSize instead.
+// Deprecated: use MaxRecvMsgSize instead. Will be supported throughout 1.x.
 func MaxMsgSize(m int) ServerOption {
 	return MaxRecvMsgSize(m)
 }
@@ -311,6 +385,16 @@ func UnaryInterceptor(i UnaryServerInterceptor) ServerOption {
 	})
 }
 
+// ChainUnaryInterceptor returns a ServerOption that specifies the chained interceptor
+// for unary RPCs. The first interceptor will be the outer most,
+// while the last interceptor will be the inner most wrapper around the real call.
+// All unary interceptors added by this method will be chained.
+func ChainUnaryInterceptor(interceptors ...UnaryServerInterceptor) ServerOption {
+	return newFuncServerOption(func(o *serverOptions) {
+		o.chainUnaryInts = append(o.chainUnaryInts, interceptors...)
+	})
+}
+
 // StreamInterceptor returns a ServerOption that sets the StreamServerInterceptor for the
 // server. Only one stream interceptor can be installed.
 func StreamInterceptor(i StreamServerInterceptor) ServerOption {
@@ -322,8 +406,23 @@ func StreamInterceptor(i StreamServerInterceptor) ServerOption {
 	})
 }
 
+// ChainStreamInterceptor returns a ServerOption that specifies the chained interceptor
+// for streaming RPCs. The first interceptor will be the outer most,
+// while the last interceptor will be the inner most wrapper around the real call.
+// All stream interceptors added by this method will be chained.
+func ChainStreamInterceptor(interceptors ...StreamServerInterceptor) ServerOption {
+	return newFuncServerOption(func(o *serverOptions) {
+		o.chainStreamInts = append(o.chainStreamInts, interceptors...)
+	})
+}
+
 // InTapHandle returns a ServerOption that sets the tap handle for all the server
 // transport to be created. Only one can be installed.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func InTapHandle(h tap.ServerInHandle) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		if o.inTapHandle != nil {
@@ -363,7 +462,10 @@ func UnknownServiceHandler(streamHandler StreamHandler) ServerOption {
 // new connections.  If this is not set, the default is 120 seconds.  A zero or
 // negative value will result in an immediate timeout.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func ConnectionTimeout(d time.Duration) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.connectionTimeout = d
@@ -381,13 +483,79 @@ func MaxHeaderListSize(s uint32) ServerOption {
 // HeaderTableSize returns a ServerOption that sets the size of dynamic
 // header table for stream.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func HeaderTableSize(s uint32) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.headerTableSize = &s
 	})
 }
 
+// NumStreamWorkers returns a ServerOption that sets the number of worker
+// goroutines that should be used to process incoming streams. Setting this to
+// zero (default) will disable workers and spawn a new goroutine for each
+// stream.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func NumStreamWorkers(numServerWorkers uint32) ServerOption {
+	// TODO: If/when this API gets stabilized (i.e. stream workers become the
+	// only way streams are processed), change the behavior of the zero value to
+	// a sane default. Preliminary experiments suggest that a value equal to the
+	// number of CPUs available is most performant; requires thorough testing.
+	return newFuncServerOption(func(o *serverOptions) {
+		o.numServerWorkers = numServerWorkers
+	})
+}
+
+// serverWorkerResetThreshold defines how often the stack must be reset. Every
+// N requests, by spawning a new goroutine in its place, a worker can reset its
+// stack so that large stacks don't live in memory forever. 2^16 should allow
+// each goroutine stack to live for at least a few seconds in a typical
+// workload (assuming a QPS of a few thousand requests/sec).
+const serverWorkerResetThreshold = 1 << 16
+
+// serverWorkers blocks on a *transport.Stream channel forever and waits for
+// data to be fed by serveStreams. This allows different requests to be
+// processed by the same goroutine, removing the need for expensive stack
+// re-allocations (see the runtime.morestack problem [1]).
+//
+// [1] https://github.com/golang/go/issues/18138
+func (s *Server) serverWorker(ch chan *serverWorkerData) {
+	// To make sure all server workers don't reset at the same time, choose a
+	// random number of iterations before resetting.
+	threshold := serverWorkerResetThreshold + grpcrand.Intn(serverWorkerResetThreshold)
+	for completed := 0; completed < threshold; completed++ {
+		data, ok := <-ch
+		if !ok {
+			return
+		}
+		s.handleStream(data.st, data.stream, s.traceInfo(data.st, data.stream))
+		data.wg.Done()
+	}
+	go s.serverWorker(ch)
+}
+
+// initServerWorkers creates worker goroutines and channels to process incoming
+// connections to reduce the time spent overall on runtime.morestack.
+func (s *Server) initServerWorkers() {
+	s.serverWorkerChannels = make([]chan *serverWorkerData, s.opts.numServerWorkers)
+	for i := uint32(0); i < s.opts.numServerWorkers; i++ {
+		s.serverWorkerChannels[i] = make(chan *serverWorkerData)
+		go s.serverWorker(s.serverWorkerChannels[i])
+	}
+}
+
+func (s *Server) stopServerWorkers() {
+	for i := uint32(0); i < s.opts.numServerWorkers; i++ {
+		close(s.serverWorkerChannels[i])
+	}
+}
+
 // NewServer creates a gRPC server which has no service registered and has not
 // started to accept requests yet.
 func NewServer(opt ...ServerOption) *Server {
@@ -396,20 +564,26 @@ func NewServer(opt ...ServerOption) *Server {
 		o.apply(&opts)
 	}
 	s := &Server{
-		lis:    make(map[net.Listener]bool),
-		opts:   opts,
-		conns:  make(map[transport.ServerTransport]bool),
-		m:      make(map[string]*service),
-		quit:   grpcsync.NewEvent(),
-		done:   grpcsync.NewEvent(),
-		czData: new(channelzData),
+		lis:      make(map[net.Listener]bool),
+		opts:     opts,
+		conns:    make(map[string]map[transport.ServerTransport]bool),
+		services: make(map[string]*serviceInfo),
+		quit:     grpcsync.NewEvent(),
+		done:     grpcsync.NewEvent(),
+		czData:   new(channelzData),
 	}
+	chainUnaryServerInterceptors(s)
+	chainStreamServerInterceptors(s)
 	s.cv = sync.NewCond(&s.mu)
 	if EnableTracing {
 		_, file, line, _ := runtime.Caller(1)
 		s.events = trace.NewEventLog("grpc.Server", fmt.Sprintf("%s:%d", file, line))
 	}
 
+	if s.opts.numServerWorkers > 0 {
+		s.initServerWorkers()
+	}
+
 	if channelz.IsOn() {
 		s.channelzID = channelz.RegisterServer(&channelzServer{s}, "")
 	}
@@ -432,14 +606,29 @@ func (s *Server) errorf(format string, a ...interface{}) {
 	}
 }
 
+// ServiceRegistrar wraps a single method that supports service registration. It
+// enables users to pass concrete types other than grpc.Server to the service
+// registration methods exported by the IDL generated code.
+type ServiceRegistrar interface {
+	// RegisterService registers a service and its implementation to the
+	// concrete type implementing this interface.  It may not be called
+	// once the server has started serving.
+	// desc describes the service and its methods and handlers. impl is the
+	// service implementation which is passed to the method handlers.
+	RegisterService(desc *ServiceDesc, impl interface{})
+}
+
 // RegisterService registers a service and its implementation to the gRPC
 // server. It is called from the IDL generated code. This must be called before
-// invoking Serve.
+// invoking Serve. If ss is non-nil (for legacy code), its type is checked to
+// ensure it implements sd.HandlerType.
 func (s *Server) RegisterService(sd *ServiceDesc, ss interface{}) {
-	ht := reflect.TypeOf(sd.HandlerType).Elem()
-	st := reflect.TypeOf(ss)
-	if !st.Implements(ht) {
-		grpclog.Fatalf("grpc: Server.RegisterService found the handler of type %v that does not satisfy %v", st, ht)
+	if ss != nil {
+		ht := reflect.TypeOf(sd.HandlerType).Elem()
+		st := reflect.TypeOf(ss)
+		if !st.Implements(ht) {
+			logger.Fatalf("grpc: Server.RegisterService found the handler of type %v that does not satisfy %v", st, ht)
+		}
 	}
 	s.register(sd, ss)
 }
@@ -449,26 +638,26 @@ func (s *Server) register(sd *ServiceDesc, ss interface{}) {
 	defer s.mu.Unlock()
 	s.printf("RegisterService(%q)", sd.ServiceName)
 	if s.serve {
-		grpclog.Fatalf("grpc: Server.RegisterService after Server.Serve for %q", sd.ServiceName)
+		logger.Fatalf("grpc: Server.RegisterService after Server.Serve for %q", sd.ServiceName)
 	}
-	if _, ok := s.m[sd.ServiceName]; ok {
-		grpclog.Fatalf("grpc: Server.RegisterService found duplicate service registration for %q", sd.ServiceName)
+	if _, ok := s.services[sd.ServiceName]; ok {
+		logger.Fatalf("grpc: Server.RegisterService found duplicate service registration for %q", sd.ServiceName)
 	}
-	srv := &service{
-		server: ss,
-		md:     make(map[string]*MethodDesc),
-		sd:     make(map[string]*StreamDesc),
-		mdata:  sd.Metadata,
+	info := &serviceInfo{
+		serviceImpl: ss,
+		methods:     make(map[string]*MethodDesc),
+		streams:     make(map[string]*StreamDesc),
+		mdata:       sd.Metadata,
 	}
 	for i := range sd.Methods {
 		d := &sd.Methods[i]
-		srv.md[d.MethodName] = d
+		info.methods[d.MethodName] = d
 	}
 	for i := range sd.Streams {
 		d := &sd.Streams[i]
-		srv.sd[d.StreamName] = d
+		info.streams[d.StreamName] = d
 	}
-	s.m[sd.ServiceName] = srv
+	s.services[sd.ServiceName] = info
 }
 
 // MethodInfo contains the information of an RPC including its method name and type.
@@ -492,16 +681,16 @@ type ServiceInfo struct {
 // Service names include the package names, in the form of <package>.<service>.
 func (s *Server) GetServiceInfo() map[string]ServiceInfo {
 	ret := make(map[string]ServiceInfo)
-	for n, srv := range s.m {
-		methods := make([]MethodInfo, 0, len(srv.md)+len(srv.sd))
-		for m := range srv.md {
+	for n, srv := range s.services {
+		methods := make([]MethodInfo, 0, len(srv.methods)+len(srv.streams))
+		for m := range srv.methods {
 			methods = append(methods, MethodInfo{
 				Name:           m,
 				IsClientStream: false,
 				IsServerStream: false,
 			})
 		}
-		for m, d := range srv.sd {
+		for m, d := range srv.streams {
 			methods = append(methods, MethodInfo{
 				Name:           m,
 				IsClientStream: d.ClientStreams,
@@ -636,7 +825,7 @@ func (s *Server) Serve(lis net.Listener) error {
 		// s.conns before this conn can be added.
 		s.serveWG.Add(1)
 		go func() {
-			s.handleRawConn(rawConn)
+			s.handleRawConn(lis.Addr().String(), rawConn)
 			s.serveWG.Done()
 		}()
 	}
@@ -644,7 +833,7 @@ func (s *Server) Serve(lis net.Listener) error {
 
 // handleRawConn forks a goroutine to handle a just-accepted connection that
 // has not had any I/O performed on it yet.
-func (s *Server) handleRawConn(rawConn net.Conn) {
+func (s *Server) handleRawConn(lisAddr string, rawConn net.Conn) {
 	if s.quit.HasFired() {
 		rawConn.Close()
 		return
@@ -658,7 +847,7 @@ func (s *Server) handleRawConn(rawConn net.Conn) {
 			s.mu.Lock()
 			s.errorf("ServerHandshake(%q) failed: %v", rawConn.RemoteAddr(), err)
 			s.mu.Unlock()
-			grpclog.Warningf("grpc: Server.Serve failed to complete security handshake from %q: %v", rawConn.RemoteAddr(), err)
+			channelz.Warningf(logger, s.channelzID, "grpc: Server.Serve failed to complete security handshake from %q: %v", rawConn.RemoteAddr(), err)
 			rawConn.Close()
 		}
 		rawConn.SetDeadline(time.Time{})
@@ -672,15 +861,24 @@ func (s *Server) handleRawConn(rawConn net.Conn) {
 	}
 
 	rawConn.SetDeadline(time.Time{})
-	if !s.addConn(st) {
+	if !s.addConn(lisAddr, st) {
 		return
 	}
 	go func() {
 		s.serveStreams(st)
-		s.removeConn(st)
+		s.removeConn(lisAddr, st)
 	}()
 }
 
+func (s *Server) drainServerTransports(addr string) {
+	s.mu.Lock()
+	conns := s.conns[addr]
+	for st := range conns {
+		st.Drain()
+	}
+	s.mu.Unlock()
+}
+
 // newHTTP2Transport sets up a http/2 transport (using the
 // gRPC http2 server transport in transport/http2_server.go).
 func (s *Server) newHTTP2Transport(c net.Conn, authInfo credentials.AuthInfo) transport.ServerTransport {
@@ -705,7 +903,7 @@ func (s *Server) newHTTP2Transport(c net.Conn, authInfo credentials.AuthInfo) tr
 		s.errorf("NewServerTransport(%q) failed: %v", c.RemoteAddr(), err)
 		s.mu.Unlock()
 		c.Close()
-		grpclog.Warningln("grpc: Server.Serve failed to create ServerTransport: ", err)
+		channelz.Warning(logger, s.channelzID, "grpc: Server.Serve failed to create ServerTransport: ", err)
 		return nil
 	}
 
@@ -715,12 +913,27 @@ func (s *Server) newHTTP2Transport(c net.Conn, authInfo credentials.AuthInfo) tr
 func (s *Server) serveStreams(st transport.ServerTransport) {
 	defer st.Close()
 	var wg sync.WaitGroup
+
+	var roundRobinCounter uint32
 	st.HandleStreams(func(stream *transport.Stream) {
 		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			s.handleStream(st, stream, s.traceInfo(st, stream))
-		}()
+		if s.opts.numServerWorkers > 0 {
+			data := &serverWorkerData{st: st, wg: &wg, stream: stream}
+			select {
+			case s.serverWorkerChannels[atomic.AddUint32(&roundRobinCounter, 1)%s.opts.numServerWorkers] <- data:
+			default:
+				// If all stream workers are busy, fallback to the default code path.
+				go func() {
+					s.handleStream(st, stream, s.traceInfo(st, stream))
+					wg.Done()
+				}()
+			}
+		} else {
+			go func() {
+				defer wg.Done()
+				s.handleStream(st, stream, s.traceInfo(st, stream))
+			}()
+		}
 	}, func(ctx context.Context, method string) context.Context {
 		if !EnableTracing {
 			return ctx
@@ -755,18 +968,22 @@ var _ http.Handler = (*Server)(nil)
 // Note that ServeHTTP uses Go's HTTP/2 server implementation which is totally
 // separate from grpc-go's HTTP/2 server. Performance and features may vary
 // between the two paths. ServeHTTP does not support some gRPC features
-// available through grpc-go's HTTP/2 server, and it is currently EXPERIMENTAL
-// and subject to change.
+// available through grpc-go's HTTP/2 server.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	st, err := transport.NewServerHandlerTransport(w, r, s.opts.statsHandler)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
-	if !s.addConn(st) {
+	if !s.addConn(listenerAddressForServeHTTP, st) {
 		return
 	}
-	defer s.removeConn(st)
+	defer s.removeConn(listenerAddressForServeHTTP, st)
 	s.serveStreams(st)
 }
 
@@ -794,7 +1011,7 @@ func (s *Server) traceInfo(st transport.ServerTransport, stream *transport.Strea
 	return trInfo
 }
 
-func (s *Server) addConn(st transport.ServerTransport) bool {
+func (s *Server) addConn(addr string, st transport.ServerTransport) bool {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 	if s.conns == nil {
@@ -806,15 +1023,28 @@ func (s *Server) addConn(st transport.ServerTransport) bool {
 		// immediately.
 		st.Drain()
 	}
-	s.conns[st] = true
+
+	if s.conns[addr] == nil {
+		// Create a map entry if this is the first connection on this listener.
+		s.conns[addr] = make(map[transport.ServerTransport]bool)
+	}
+	s.conns[addr][st] = true
 	return true
 }
 
-func (s *Server) removeConn(st transport.ServerTransport) {
+func (s *Server) removeConn(addr string, st transport.ServerTransport) {
 	s.mu.Lock()
 	defer s.mu.Unlock()
-	if s.conns != nil {
-		delete(s.conns, st)
+
+	conns := s.conns[addr]
+	if conns != nil {
+		delete(conns, st)
+		if len(conns) == 0 {
+			// If the last connection for this address is being removed, also
+			// remove the map entry corresponding to the address. This is used
+			// in GracefulStop() when waiting for all connections to be closed.
+			delete(s.conns, addr)
+		}
 		s.cv.Broadcast()
 	}
 }
@@ -844,12 +1074,12 @@ func (s *Server) incrCallsFailed() {
 func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Stream, msg interface{}, cp Compressor, opts *transport.Options, comp encoding.Compressor) error {
 	data, err := encode(s.getCodec(stream.ContentSubtype()), msg)
 	if err != nil {
-		grpclog.Errorln("grpc: server failed to encode response: ", err)
+		channelz.Error(logger, s.channelzID, "grpc: server failed to encode response: ", err)
 		return err
 	}
 	compData, err := compress(data, cp, comp)
 	if err != nil {
-		grpclog.Errorln("grpc: server failed to compress response: ", err)
+		channelz.Error(logger, s.channelzID, "grpc: server failed to compress response: ", err)
 		return err
 	}
 	hdr, payload := msgHeader(data, compData)
@@ -864,7 +1094,41 @@ func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Str
 	return err
 }
 
-func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.Stream, srv *service, md *MethodDesc, trInfo *traceInfo) (err error) {
+// chainUnaryServerInterceptors chains all unary server interceptors into one.
+func chainUnaryServerInterceptors(s *Server) {
+	// Prepend opts.unaryInt to the chaining interceptors if it exists, since unaryInt will
+	// be executed before any other chained interceptors.
+	interceptors := s.opts.chainUnaryInts
+	if s.opts.unaryInt != nil {
+		interceptors = append([]UnaryServerInterceptor{s.opts.unaryInt}, s.opts.chainUnaryInts...)
+	}
+
+	var chainedInt UnaryServerInterceptor
+	if len(interceptors) == 0 {
+		chainedInt = nil
+	} else if len(interceptors) == 1 {
+		chainedInt = interceptors[0]
+	} else {
+		chainedInt = func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (interface{}, error) {
+			return interceptors[0](ctx, req, info, getChainUnaryHandler(interceptors, 0, info, handler))
+		}
+	}
+
+	s.opts.unaryInt = chainedInt
+}
+
+// getChainUnaryHandler recursively generate the chained UnaryHandler
+func getChainUnaryHandler(interceptors []UnaryServerInterceptor, curr int, info *UnaryServerInfo, finalHandler UnaryHandler) UnaryHandler {
+	if curr == len(interceptors)-1 {
+		return finalHandler
+	}
+
+	return func(ctx context.Context, req interface{}) (interface{}, error) {
+		return interceptors[curr+1](ctx, req, info, getChainUnaryHandler(interceptors, curr+1, info, finalHandler))
+	}
+}
+
+func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, md *MethodDesc, trInfo *traceInfo) (err error) {
 	sh := s.opts.statsHandler
 	if sh != nil || trInfo != nil || channelz.IsOn() {
 		if channelz.IsOn() {
@@ -987,10 +1251,8 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 	}
 	d, err := recvAndDecompress(&parser{r: stream}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp)
 	if err != nil {
-		if st, ok := status.FromError(err); ok {
-			if e := t.WriteStatus(stream, st); e != nil {
-				grpclog.Warningf("grpc: Server.processUnaryRPC failed to write status %v", e)
-			}
+		if e := t.WriteStatus(stream, status.Convert(err)); e != nil {
+			channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status %v", e)
 		}
 		return err
 	}
@@ -1005,7 +1267,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 			sh.HandleRPC(stream.Context(), &stats.InPayload{
 				RecvTime:   time.Now(),
 				Payload:    v,
-				WireLength: payInfo.wireLength,
+				WireLength: payInfo.wireLength + headerLen,
 				Data:       d,
 				Length:     len(d),
 			})
@@ -1021,7 +1283,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 		return nil
 	}
 	ctx := NewContextWithServerTransportStream(stream.Context(), stream)
-	reply, appErr := md.Handler(srv.server, ctx, df, s.opts.unaryInt)
+	reply, appErr := md.Handler(info.serviceImpl, ctx, df, s.opts.unaryInt)
 	if appErr != nil {
 		appStatus, ok := status.FromError(appErr)
 		if !ok {
@@ -1034,7 +1296,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 			trInfo.tr.SetError()
 		}
 		if e := t.WriteStatus(stream, appStatus); e != nil {
-			grpclog.Warningf("grpc: Server.processUnaryRPC failed to write status: %v", e)
+			channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status: %v", e)
 		}
 		if binlog != nil {
 			if h, _ := stream.Header(); h.Len() > 0 {
@@ -1061,9 +1323,9 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 			// The entire stream is done (for unary RPC only).
 			return err
 		}
-		if s, ok := status.FromError(err); ok {
-			if e := t.WriteStatus(stream, s); e != nil {
-				grpclog.Warningf("grpc: Server.processUnaryRPC failed to write status: %v", e)
+		if sts, ok := status.FromError(err); ok {
+			if e := t.WriteStatus(stream, sts); e != nil {
+				channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status: %v", e)
 			}
 		} else {
 			switch st := err.(type) {
@@ -1113,7 +1375,41 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
 	return err
 }
 
-func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transport.Stream, srv *service, sd *StreamDesc, trInfo *traceInfo) (err error) {
+// chainStreamServerInterceptors chains all stream server interceptors into one.
+func chainStreamServerInterceptors(s *Server) {
+	// Prepend opts.streamInt to the chaining interceptors if it exists, since streamInt will
+	// be executed before any other chained interceptors.
+	interceptors := s.opts.chainStreamInts
+	if s.opts.streamInt != nil {
+		interceptors = append([]StreamServerInterceptor{s.opts.streamInt}, s.opts.chainStreamInts...)
+	}
+
+	var chainedInt StreamServerInterceptor
+	if len(interceptors) == 0 {
+		chainedInt = nil
+	} else if len(interceptors) == 1 {
+		chainedInt = interceptors[0]
+	} else {
+		chainedInt = func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error {
+			return interceptors[0](srv, ss, info, getChainStreamHandler(interceptors, 0, info, handler))
+		}
+	}
+
+	s.opts.streamInt = chainedInt
+}
+
+// getChainStreamHandler recursively generate the chained StreamHandler
+func getChainStreamHandler(interceptors []StreamServerInterceptor, curr int, info *StreamServerInfo, finalHandler StreamHandler) StreamHandler {
+	if curr == len(interceptors)-1 {
+		return finalHandler
+	}
+
+	return func(srv interface{}, ss ServerStream) error {
+		return interceptors[curr+1](srv, ss, info, getChainStreamHandler(interceptors, curr+1, info, finalHandler))
+	}
+}
+
+func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, sd *StreamDesc, trInfo *traceInfo) (err error) {
 	if channelz.IsOn() {
 		s.incrCallsStarted()
 	}
@@ -1230,8 +1526,8 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
 	}
 	var appErr error
 	var server interface{}
-	if srv != nil {
-		server = srv.server
+	if info != nil {
+		server = info.serviceImpl
 	}
 	if s.opts.streamInt == nil {
 		appErr = sd.Handler(server, ss)
@@ -1297,7 +1593,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
 				trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true)
 				trInfo.tr.SetError()
 			}
-			grpclog.Warningf("grpc: Server.handleStream failed to write status: %v", err)
+			channelz.Warningf(logger, s.channelzID, "grpc: Server.handleStream failed to write status: %v", err)
 		}
 		if trInfo != nil {
 			trInfo.tr.Finish()
@@ -1307,13 +1603,13 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
 	service := sm[:pos]
 	method := sm[pos+1:]
 
-	srv, knownService := s.m[service]
+	srv, knownService := s.services[service]
 	if knownService {
-		if md, ok := srv.md[method]; ok {
+		if md, ok := srv.methods[method]; ok {
 			s.processUnaryRPC(t, stream, srv, md, trInfo)
 			return
 		}
-		if sd, ok := srv.sd[method]; ok {
+		if sd, ok := srv.streams[method]; ok {
 			s.processStreamingRPC(t, stream, srv, sd, trInfo)
 			return
 		}
@@ -1338,7 +1634,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
 			trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true)
 			trInfo.tr.SetError()
 		}
-		grpclog.Warningf("grpc: Server.handleStream failed to write status: %v", err)
+		channelz.Warningf(logger, s.channelzID, "grpc: Server.handleStream failed to write status: %v", err)
 	}
 	if trInfo != nil {
 		trInfo.tr.Finish()
@@ -1351,7 +1647,10 @@ type streamKey struct{}
 // NewContextWithServerTransportStream creates a new context from ctx and
 // attaches stream to it.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func NewContextWithServerTransportStream(ctx context.Context, stream ServerTransportStream) context.Context {
 	return context.WithValue(ctx, streamKey{}, stream)
 }
@@ -1363,7 +1662,10 @@ func NewContextWithServerTransportStream(ctx context.Context, stream ServerTrans
 //
 // See also NewContextWithServerTransportStream.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type ServerTransportStream interface {
 	Method() string
 	SetHeader(md metadata.MD) error
@@ -1375,7 +1677,10 @@ type ServerTransportStream interface {
 // ctx. Returns nil if the given context has no stream associated with it
 // (which implies it is not an RPC invocation context).
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 func ServerTransportStreamFromContext(ctx context.Context) ServerTransportStream {
 	s, _ := ctx.Value(streamKey{}).(ServerTransportStream)
 	return s
@@ -1403,7 +1708,7 @@ func (s *Server) Stop() {
 	s.mu.Lock()
 	listeners := s.lis
 	s.lis = nil
-	st := s.conns
+	conns := s.conns
 	s.conns = nil
 	// interrupt GracefulStop if Stop and GracefulStop are called concurrently.
 	s.cv.Broadcast()
@@ -1412,8 +1717,13 @@ func (s *Server) Stop() {
 	for lis := range listeners {
 		lis.Close()
 	}
-	for c := range st {
-		c.Close()
+	for _, cs := range conns {
+		for st := range cs {
+			st.Close()
+		}
+	}
+	if s.opts.numServerWorkers > 0 {
+		s.stopServerWorkers()
 	}
 
 	s.mu.Lock()
@@ -1447,8 +1757,10 @@ func (s *Server) GracefulStop() {
 	}
 	s.lis = nil
 	if !s.drain {
-		for st := range s.conns {
-			st.Drain()
+		for _, conns := range s.conns {
+			for st := range conns {
+				st.Drain()
+			}
 		}
 		s.drain = true
 	}
diff --git a/vendor/google.golang.org/grpc/service_config.go b/vendor/google.golang.org/grpc/service_config.go
index 5a80a575a..22c4240cf 100644
--- a/vendor/google.golang.org/grpc/service_config.go
+++ b/vendor/google.golang.org/grpc/service_config.go
@@ -20,15 +20,16 @@ package grpc
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
+	"reflect"
 	"strconv"
 	"strings"
 	"time"
 
-	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
+	internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
 	"google.golang.org/grpc/serviceconfig"
 )
 
@@ -40,29 +41,7 @@ const maxInt = int(^uint(0) >> 1)
 // Deprecated: Users should not use this struct. Service config should be received
 // through name resolver, as specified here
 // https://github.com/grpc/grpc/blob/master/doc/service_config.md
-type MethodConfig struct {
-	// WaitForReady indicates whether RPCs sent to this method should wait until
-	// the connection is ready by default (!failfast). The value specified via the
-	// gRPC client API will override the value set here.
-	WaitForReady *bool
-	// Timeout is the default timeout for RPCs sent to this method. The actual
-	// deadline used will be the minimum of the value specified here and the value
-	// set by the application via the gRPC client API.  If either one is not set,
-	// then the other will be used.  If neither is set, then the RPC has no deadline.
-	Timeout *time.Duration
-	// MaxReqSize is the maximum allowed payload size for an individual request in a
-	// stream (client->server) in bytes. The size which is measured is the serialized
-	// payload after per-message compression (but before stream compression) in bytes.
-	// The actual value used is the minimum of the value specified here and the value set
-	// by the application via the gRPC client API. If either one is not set, then the other
-	// will be used.  If neither is set, then the built-in default is used.
-	MaxReqSize *int
-	// MaxRespSize is the maximum allowed payload size for an individual response in a
-	// stream (server->client) in bytes.
-	MaxRespSize *int
-	// RetryPolicy configures retry options for the method.
-	retryPolicy *retryPolicy
-}
+type MethodConfig = internalserviceconfig.MethodConfig
 
 type lbConfig struct {
 	name string
@@ -79,7 +58,7 @@ type ServiceConfig struct {
 	serviceconfig.Config
 
 	// LB is the load balancer the service providers recommends. The balancer
-	// specified via grpc.WithBalancer will override this.  This is deprecated;
+	// specified via grpc.WithBalancerName will override this.  This is deprecated;
 	// lbConfigs is preferred.  If lbConfig and LB are both present, lbConfig
 	// will be used.
 	LB *string
@@ -126,34 +105,6 @@ type healthCheckConfig struct {
 	ServiceName string
 }
 
-// retryPolicy defines the go-native version of the retry policy defined by the
-// service config here:
-// https://github.com/grpc/proposal/blob/master/A6-client-retries.md#integration-with-service-config
-type retryPolicy struct {
-	// MaxAttempts is the maximum number of attempts, including the original RPC.
-	//
-	// This field is required and must be two or greater.
-	maxAttempts int
-
-	// Exponential backoff parameters. The initial retry attempt will occur at
-	// random(0, initialBackoff). In general, the nth attempt will occur at
-	// random(0,
-	//   min(initialBackoff*backoffMultiplier**(n-1), maxBackoff)).
-	//
-	// These fields are required and must be greater than zero.
-	initialBackoff    time.Duration
-	maxBackoff        time.Duration
-	backoffMultiplier float64
-
-	// The set of status codes which may be retried.
-	//
-	// Status codes are specified as strings, e.g., "UNAVAILABLE".
-	//
-	// This field is required and must be non-empty.
-	// Note: a set is used to store this for easy lookup.
-	retryableStatusCodes map[codes.Code]bool
-}
-
 type jsonRetryPolicy struct {
 	MaxAttempts          int
 	InitialBackoff       string
@@ -224,19 +175,27 @@ func parseDuration(s *string) (*time.Duration, error) {
 }
 
 type jsonName struct {
-	Service *string
-	Method  *string
+	Service string
+	Method  string
 }
 
-func (j jsonName) generatePath() (string, bool) {
-	if j.Service == nil {
-		return "", false
+var (
+	errDuplicatedName             = errors.New("duplicated name")
+	errEmptyServiceNonEmptyMethod = errors.New("cannot combine empty 'service' and non-empty 'method'")
+)
+
+func (j jsonName) generatePath() (string, error) {
+	if j.Service == "" {
+		if j.Method != "" {
+			return "", errEmptyServiceNonEmptyMethod
+		}
+		return "", nil
 	}
-	res := "/" + *j.Service + "/"
-	if j.Method != nil {
-		res += *j.Method
+	res := "/" + j.Service + "/"
+	if j.Method != "" {
+		res += j.Method
 	}
-	return res, true
+	return res, nil
 }
 
 // TODO(lyuxuan): delete this struct after cleaning up old service config implementation.
@@ -249,12 +208,10 @@ type jsonMC struct {
 	RetryPolicy             *jsonRetryPolicy
 }
 
-type loadBalancingConfig map[string]json.RawMessage
-
 // TODO(lyuxuan): delete this struct after cleaning up old service config implementation.
 type jsonSC struct {
 	LoadBalancingPolicy *string
-	LoadBalancingConfig *[]loadBalancingConfig
+	LoadBalancingConfig *internalserviceconfig.BalancerConfig
 	MethodConfig        *[]jsonMC
 	RetryThrottling     *retryThrottlingPolicy
 	HealthCheckConfig   *healthCheckConfig
@@ -270,7 +227,7 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult {
 	var rsc jsonSC
 	err := json.Unmarshal([]byte(js), &rsc)
 	if err != nil {
-		grpclog.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err)
+		logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err)
 		return &serviceconfig.ParseResult{Err: err}
 	}
 	sc := ServiceConfig{
@@ -280,53 +237,25 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult {
 		healthCheckConfig: rsc.HealthCheckConfig,
 		rawJSONString:     js,
 	}
-	if rsc.LoadBalancingConfig != nil {
-		for i, lbcfg := range *rsc.LoadBalancingConfig {
-			if len(lbcfg) != 1 {
-				err := fmt.Errorf("invalid loadBalancingConfig: entry %v does not contain exactly 1 policy/config pair: %q", i, lbcfg)
-				grpclog.Warningf(err.Error())
-				return &serviceconfig.ParseResult{Err: err}
-			}
-			var name string
-			var jsonCfg json.RawMessage
-			for name, jsonCfg = range lbcfg {
-			}
-			builder := balancer.Get(name)
-			if builder == nil {
-				continue
-			}
-			sc.lbConfig = &lbConfig{name: name}
-			if parser, ok := builder.(balancer.ConfigParser); ok {
-				var err error
-				sc.lbConfig.cfg, err = parser.ParseConfig(jsonCfg)
-				if err != nil {
-					return &serviceconfig.ParseResult{Err: fmt.Errorf("error parsing loadBalancingConfig for policy %q: %v", name, err)}
-				}
-			} else if string(jsonCfg) != "{}" {
-				grpclog.Warningf("non-empty balancer configuration %q, but balancer does not implement ParseConfig", string(jsonCfg))
-			}
-			break
-		}
-		if sc.lbConfig == nil {
-			// We had a loadBalancingConfig field but did not encounter a
-			// supported policy.  The config is considered invalid in this
-			// case.
-			err := fmt.Errorf("invalid loadBalancingConfig: no supported policies found")
-			grpclog.Warningf(err.Error())
-			return &serviceconfig.ParseResult{Err: err}
+	if c := rsc.LoadBalancingConfig; c != nil {
+		sc.lbConfig = &lbConfig{
+			name: c.Name,
+			cfg:  c.Config,
 		}
 	}
 
 	if rsc.MethodConfig == nil {
 		return &serviceconfig.ParseResult{Config: &sc}
 	}
+
+	paths := map[string]struct{}{}
 	for _, m := range *rsc.MethodConfig {
 		if m.Name == nil {
 			continue
 		}
 		d, err := parseDuration(m.Timeout)
 		if err != nil {
-			grpclog.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err)
+			logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err)
 			return &serviceconfig.ParseResult{Err: err}
 		}
 
@@ -334,8 +263,8 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult {
 			WaitForReady: m.WaitForReady,
 			Timeout:      d,
 		}
-		if mc.retryPolicy, err = convertRetryPolicy(m.RetryPolicy); err != nil {
-			grpclog.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err)
+		if mc.RetryPolicy, err = convertRetryPolicy(m.RetryPolicy); err != nil {
+			logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to %v", js, err)
 			return &serviceconfig.ParseResult{Err: err}
 		}
 		if m.MaxRequestMessageBytes != nil {
@@ -352,10 +281,20 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult {
 				mc.MaxRespSize = newInt(int(*m.MaxResponseMessageBytes))
 			}
 		}
-		for _, n := range *m.Name {
-			if path, valid := n.generatePath(); valid {
-				sc.Methods[path] = mc
+		for i, n := range *m.Name {
+			path, err := n.generatePath()
+			if err != nil {
+				logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to methodConfig[%d]: %v", js, i, err)
+				return &serviceconfig.ParseResult{Err: err}
 			}
+
+			if _, ok := paths[path]; ok {
+				err = errDuplicatedName
+				logger.Warningf("grpc: parseServiceConfig error unmarshaling %s due to methodConfig[%d]: %v", js, i, err)
+				return &serviceconfig.ParseResult{Err: err}
+			}
+			paths[path] = struct{}{}
+			sc.Methods[path] = mc
 		}
 	}
 
@@ -370,7 +309,7 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult {
 	return &serviceconfig.ParseResult{Config: &sc}
 }
 
-func convertRetryPolicy(jrp *jsonRetryPolicy) (p *retryPolicy, err error) {
+func convertRetryPolicy(jrp *jsonRetryPolicy) (p *internalserviceconfig.RetryPolicy, err error) {
 	if jrp == nil {
 		return nil, nil
 	}
@@ -388,23 +327,23 @@ func convertRetryPolicy(jrp *jsonRetryPolicy) (p *retryPolicy, err error) {
 		*mb <= 0 ||
 		jrp.BackoffMultiplier <= 0 ||
 		len(jrp.RetryableStatusCodes) == 0 {
-		grpclog.Warningf("grpc: ignoring retry policy %v due to illegal configuration", jrp)
+		logger.Warningf("grpc: ignoring retry policy %v due to illegal configuration", jrp)
 		return nil, nil
 	}
 
-	rp := &retryPolicy{
-		maxAttempts:          jrp.MaxAttempts,
-		initialBackoff:       *ib,
-		maxBackoff:           *mb,
-		backoffMultiplier:    jrp.BackoffMultiplier,
-		retryableStatusCodes: make(map[codes.Code]bool),
+	rp := &internalserviceconfig.RetryPolicy{
+		MaxAttempts:          jrp.MaxAttempts,
+		InitialBackoff:       *ib,
+		MaxBackoff:           *mb,
+		BackoffMultiplier:    jrp.BackoffMultiplier,
+		RetryableStatusCodes: make(map[codes.Code]bool),
 	}
-	if rp.maxAttempts > 5 {
+	if rp.MaxAttempts > 5 {
 		// TODO(retry): Make the max maxAttempts configurable.
-		rp.maxAttempts = 5
+		rp.MaxAttempts = 5
 	}
 	for _, code := range jrp.RetryableStatusCodes {
-		rp.retryableStatusCodes[code] = true
+		rp.RetryableStatusCodes[code] = true
 	}
 	return rp, nil
 }
@@ -432,3 +371,34 @@ func getMaxSize(mcMax, doptMax *int, defaultVal int) *int {
 func newInt(b int) *int {
 	return &b
 }
+
+func init() {
+	internal.EqualServiceConfigForTesting = equalServiceConfig
+}
+
+// equalServiceConfig compares two configs. The rawJSONString field is ignored,
+// because they may diff in white spaces.
+//
+// If any of them is NOT *ServiceConfig, return false.
+func equalServiceConfig(a, b serviceconfig.Config) bool {
+	aa, ok := a.(*ServiceConfig)
+	if !ok {
+		return false
+	}
+	bb, ok := b.(*ServiceConfig)
+	if !ok {
+		return false
+	}
+	aaRaw := aa.rawJSONString
+	aa.rawJSONString = ""
+	bbRaw := bb.rawJSONString
+	bb.rawJSONString = ""
+	defer func() {
+		aa.rawJSONString = aaRaw
+		bb.rawJSONString = bbRaw
+	}()
+	// Using reflect.DeepEqual instead of cmp.Equal because many balancer
+	// configs are unexported, and cmp.Equal cannot compare unexported fields
+	// from unexported structs.
+	return reflect.DeepEqual(aa, bb)
+}
diff --git a/vendor/google.golang.org/grpc/serviceconfig/serviceconfig.go b/vendor/google.golang.org/grpc/serviceconfig/serviceconfig.go
index 187c30442..73a2f9266 100644
--- a/vendor/google.golang.org/grpc/serviceconfig/serviceconfig.go
+++ b/vendor/google.golang.org/grpc/serviceconfig/serviceconfig.go
@@ -19,7 +19,10 @@
 // Package serviceconfig defines types and methods for operating on gRPC
 // service configs.
 //
-// This package is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This package is EXPERIMENTAL and may be changed or removed in a
+// later release.
 package serviceconfig
 
 // Config represents an opaque data structure holding a service config.
diff --git a/vendor/google.golang.org/grpc/stats/stats.go b/vendor/google.golang.org/grpc/stats/stats.go
index 9e22c393f..63e476ee7 100644
--- a/vendor/google.golang.org/grpc/stats/stats.go
+++ b/vendor/google.golang.org/grpc/stats/stats.go
@@ -16,8 +16,6 @@
  *
  */
 
-//go:generate protoc --go_out=plugins=grpc:. grpc_testing/test.proto
-
 // Package stats is for collecting and reporting various network and RPC stats.
 // This package is for monitoring purpose only. All fields are read-only.
 // All APIs are experimental.
@@ -81,6 +79,10 @@ type InHeader struct {
 	Client bool
 	// WireLength is the wire length of header.
 	WireLength int
+	// Compression is the compression algorithm used for the RPC.
+	Compression string
+	// Header contains the header metadata received.
+	Header metadata.MD
 
 	// The following fields are valid only if Client is false.
 	// FullMethod is the full RPC method string, i.e., /package.service/method.
@@ -89,10 +91,6 @@ type InHeader struct {
 	RemoteAddr net.Addr
 	// LocalAddr is the local address of the corresponding connection.
 	LocalAddr net.Addr
-	// Compression is the compression algorithm used for the RPC.
-	Compression string
-	// Header contains the header metadata received.
-	Header metadata.MD
 }
 
 // IsClient indicates if the stats information is from client side.
@@ -141,6 +139,10 @@ func (s *OutPayload) isRPCStats() {}
 type OutHeader struct {
 	// Client is true if this OutHeader is from client side.
 	Client bool
+	// Compression is the compression algorithm used for the RPC.
+	Compression string
+	// Header contains the header metadata sent.
+	Header metadata.MD
 
 	// The following fields are valid only if Client is true.
 	// FullMethod is the full RPC method string, i.e., /package.service/method.
@@ -149,10 +151,6 @@ type OutHeader struct {
 	RemoteAddr net.Addr
 	// LocalAddr is the local address of the corresponding connection.
 	LocalAddr net.Addr
-	// Compression is the compression algorithm used for the RPC.
-	Compression string
-	// Header contains the header metadata sent.
-	Header metadata.MD
 }
 
 // IsClient indicates if this stats information is from client side.
@@ -165,6 +163,9 @@ type OutTrailer struct {
 	// Client is true if this OutTrailer is from client side.
 	Client bool
 	// WireLength is the wire length of trailer.
+	//
+	// Deprecated: This field is never set. The length is not known when this message is
+	// emitted because the trailer fields are compressed with hpack after that.
 	WireLength int
 	// Trailer contains the trailer metadata sent to the client. This
 	// field is only valid if this OutTrailer is from the server side.
diff --git a/vendor/google.golang.org/grpc/status/status.go b/vendor/google.golang.org/grpc/status/status.go
index a1348e9b1..54d187186 100644
--- a/vendor/google.golang.org/grpc/status/status.go
+++ b/vendor/google.golang.org/grpc/status/status.go
@@ -29,88 +29,23 @@ package status
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
-	"github.com/golang/protobuf/proto"
-	"github.com/golang/protobuf/ptypes"
 	spb "google.golang.org/genproto/googleapis/rpc/status"
+
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/internal/status"
 )
 
-func init() {
-	internal.StatusRawProto = statusRawProto
-}
-
-func statusRawProto(s *Status) *spb.Status { return s.s }
-
-// statusError is an alias of a status proto.  It implements error and Status,
-// and a nil statusError should never be returned by this package.
-type statusError spb.Status
-
-func (se *statusError) Error() string {
-	p := (*spb.Status)(se)
-	return fmt.Sprintf("rpc error: code = %s desc = %s", codes.Code(p.GetCode()), p.GetMessage())
-}
-
-func (se *statusError) GRPCStatus() *Status {
-	return &Status{s: (*spb.Status)(se)}
-}
-
-// Is implements future error.Is functionality.
-// A statusError is equivalent if the code and message are identical.
-func (se *statusError) Is(target error) bool {
-	tse, ok := target.(*statusError)
-	if !ok {
-		return false
-	}
-
-	return proto.Equal((*spb.Status)(se), (*spb.Status)(tse))
-}
-
-// Status represents an RPC status code, message, and details.  It is immutable
-// and should be created with New, Newf, or FromProto.
-type Status struct {
-	s *spb.Status
-}
-
-// Code returns the status code contained in s.
-func (s *Status) Code() codes.Code {
-	if s == nil || s.s == nil {
-		return codes.OK
-	}
-	return codes.Code(s.s.Code)
-}
-
-// Message returns the message contained in s.
-func (s *Status) Message() string {
-	if s == nil || s.s == nil {
-		return ""
-	}
-	return s.s.Message
-}
-
-// Proto returns s's status as an spb.Status proto message.
-func (s *Status) Proto() *spb.Status {
-	if s == nil {
-		return nil
-	}
-	return proto.Clone(s.s).(*spb.Status)
-}
-
-// Err returns an immutable error representing s; returns nil if s.Code() is
-// OK.
-func (s *Status) Err() error {
-	if s.Code() == codes.OK {
-		return nil
-	}
-	return (*statusError)(s.s)
-}
+// Status references google.golang.org/grpc/internal/status. It represents an
+// RPC status code, message, and details.  It is immutable and should be
+// created with New, Newf, or FromProto.
+// https://godoc.org/google.golang.org/grpc/internal/status
+type Status = status.Status
 
 // New returns a Status representing c and msg.
 func New(c codes.Code, msg string) *Status {
-	return &Status{s: &spb.Status{Code: int32(c), Message: msg}}
+	return status.New(c, msg)
 }
 
 // Newf returns New(c, fmt.Sprintf(format, a...)).
@@ -135,12 +70,14 @@ func ErrorProto(s *spb.Status) error {
 
 // FromProto returns a Status representing s.
 func FromProto(s *spb.Status) *Status {
-	return &Status{s: proto.Clone(s).(*spb.Status)}
+	return status.FromProto(s)
 }
 
-// FromError returns a Status representing err if it was produced from this
-// package or has a method `GRPCStatus() *Status`. Otherwise, ok is false and a
-// Status is returned with codes.Unknown and the original error message.
+// FromError returns a Status representing err if it was produced by this
+// package or has a method `GRPCStatus() *Status`.
+// If err is nil, a Status is returned with codes.OK and no message.
+// Otherwise, ok is false and a Status is returned with codes.Unknown and
+// the original error message.
 func FromError(err error) (s *Status, ok bool) {
 	if err == nil {
 		return nil, true
@@ -160,42 +97,6 @@ func Convert(err error) *Status {
 	return s
 }
 
-// WithDetails returns a new status with the provided details messages appended to the status.
-// If any errors are encountered, it returns nil and the first error encountered.
-func (s *Status) WithDetails(details ...proto.Message) (*Status, error) {
-	if s.Code() == codes.OK {
-		return nil, errors.New("no error details for status with code OK")
-	}
-	// s.Code() != OK implies that s.Proto() != nil.
-	p := s.Proto()
-	for _, detail := range details {
-		any, err := ptypes.MarshalAny(detail)
-		if err != nil {
-			return nil, err
-		}
-		p.Details = append(p.Details, any)
-	}
-	return &Status{s: p}, nil
-}
-
-// Details returns a slice of details messages attached to the status.
-// If a detail cannot be decoded, the error is returned in place of the detail.
-func (s *Status) Details() []interface{} {
-	if s == nil || s.s == nil {
-		return nil
-	}
-	details := make([]interface{}, 0, len(s.s.Details))
-	for _, any := range s.s.Details {
-		detail := &ptypes.DynamicAny{}
-		if err := ptypes.UnmarshalAny(any, detail); err != nil {
-			details = append(details, err)
-			continue
-		}
-		details = append(details, detail.Message)
-	}
-	return details
-}
-
 // Code returns the Code of the error if it is a Status error, codes.OK if err
 // is nil, or codes.Unknown otherwise.
 func Code(err error) codes.Code {
diff --git a/vendor/google.golang.org/grpc/stream.go b/vendor/google.golang.org/grpc/stream.go
index bb99940e3..1f3e70d2c 100644
--- a/vendor/google.golang.org/grpc/stream.go
+++ b/vendor/google.golang.org/grpc/stream.go
@@ -31,11 +31,13 @@ import (
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/encoding"
-	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal/balancerload"
 	"google.golang.org/grpc/internal/binarylog"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcrand"
+	"google.golang.org/grpc/internal/grpcutil"
+	iresolver "google.golang.org/grpc/internal/resolver"
+	"google.golang.org/grpc/internal/serviceconfig"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/peer"
@@ -50,14 +52,20 @@ import (
 // of the RPC.
 type StreamHandler func(srv interface{}, stream ServerStream) error
 
-// StreamDesc represents a streaming RPC service's method specification.
+// StreamDesc represents a streaming RPC service's method specification.  Used
+// on the server when registering services and on the client when initiating
+// new streams.
 type StreamDesc struct {
-	StreamName string
-	Handler    StreamHandler
+	// StreamName and Handler are only used when registering handlers on a
+	// server.
+	StreamName string        // the name of the method excluding the service
+	Handler    StreamHandler // the handler called for the method
 
-	// At least one of these is true.
-	ServerStreams bool
-	ClientStreams bool
+	// ServerStreams and ClientStreams are used for registering handlers on a
+	// server as well as defining RPC behavior when passed to NewClientStream
+	// and ClientConn.NewStream.  At least one must be true.
+	ServerStreams bool // indicates the server can perform streaming sends
+	ClientStreams bool // indicates the client can perform streaming sends
 }
 
 // Stream defines the common interface a client or server stream has to satisfy.
@@ -164,13 +172,48 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 			}
 		}()
 	}
-	c := defaultCallInfo()
 	// Provide an opportunity for the first RPC to see the first service config
 	// provided by the resolver.
 	if err := cc.waitForResolvedAddrs(ctx); err != nil {
 		return nil, err
 	}
-	mc := cc.GetMethodConfig(method)
+
+	var mc serviceconfig.MethodConfig
+	var onCommit func()
+	var newStream = func(ctx context.Context, done func()) (iresolver.ClientStream, error) {
+		return newClientStreamWithParams(ctx, desc, cc, method, mc, onCommit, done, opts...)
+	}
+
+	rpcInfo := iresolver.RPCInfo{Context: ctx, Method: method}
+	rpcConfig, err := cc.safeConfigSelector.SelectConfig(rpcInfo)
+	if err != nil {
+		return nil, toRPCErr(err)
+	}
+
+	if rpcConfig != nil {
+		if rpcConfig.Context != nil {
+			ctx = rpcConfig.Context
+		}
+		mc = rpcConfig.MethodConfig
+		onCommit = rpcConfig.OnCommitted
+		if rpcConfig.Interceptor != nil {
+			rpcInfo.Context = nil
+			ns := newStream
+			newStream = func(ctx context.Context, done func()) (iresolver.ClientStream, error) {
+				cs, err := rpcConfig.Interceptor.NewStream(ctx, rpcInfo, done, ns)
+				if err != nil {
+					return nil, toRPCErr(err)
+				}
+				return cs, nil
+			}
+		}
+	}
+
+	return newStream(ctx, func() {})
+}
+
+func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, mc serviceconfig.MethodConfig, onCommit, doneFunc func(), opts ...CallOption) (_ iresolver.ClientStream, err error) {
+	c := defaultCallInfo()
 	if mc.WaitForReady != nil {
 		c.failFast = !*mc.WaitForReady
 	}
@@ -207,6 +250,7 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 		Host:           cc.authority,
 		Method:         method,
 		ContentSubtype: c.contentSubtype,
+		DoneFunc:       doneFunc,
 	}
 
 	// Set our outgoing compression according to the UseCompressor CallOption, if
@@ -272,13 +316,13 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 		cancel:       cancel,
 		beginTime:    beginTime,
 		firstAttempt: true,
+		onCommit:     onCommit,
 	}
 	if !cc.dopts.disableRetry {
 		cs.retryThrottler = cc.retryThrottler.Load().(*retryThrottler)
 	}
 	cs.binlog = binarylog.GetMethodLogger(method)
 
-	cs.callInfo.stream = cs
 	// Only this initial attempt has stats/tracing.
 	// TODO(dfawley): move to newAttempt when per-attempt stats are implemented.
 	if err := cs.newAttemptLocked(sh, trInfo); err != nil {
@@ -348,7 +392,16 @@ func (cs *clientStream) newAttemptLocked(sh stats.Handler, trInfo *traceInfo) (r
 	if err := cs.ctx.Err(); err != nil {
 		return toRPCErr(err)
 	}
-	t, done, err := cs.cc.getTransport(cs.ctx, cs.callInfo.failFast, cs.callHdr.Method)
+
+	ctx := cs.ctx
+	if cs.cc.parsedTarget.Scheme == "xds" {
+		// Add extra metadata (metadata that will be added by transport) to context
+		// so the balancer can see them.
+		ctx = grpcutil.WithExtraMetadata(cs.ctx, metadata.Pairs(
+			"content-type", grpcutil.ContentType(cs.callHdr.ContentSubtype),
+		))
+	}
+	t, done, err := cs.cc.getTransport(ctx, cs.callInfo.failFast, cs.callHdr.Method)
 	if err != nil {
 		return err
 	}
@@ -366,6 +419,11 @@ func (a *csAttempt) newStream() error {
 	cs.callHdr.PreviousAttempts = cs.numRetries
 	s, err := a.t.NewStream(cs.ctx, cs.callHdr)
 	if err != nil {
+		if _, ok := err.(transport.PerformedIOError); ok {
+			// Return without converting to an RPC error so retry code can
+			// inspect.
+			return err
+		}
 		return toRPCErr(err)
 	}
 	cs.attempt.s = s
@@ -419,7 +477,8 @@ type clientStream struct {
 	// place where we need to check if the attempt is nil.
 	attempt *csAttempt
 	// TODO(hedging): hedging will have multiple attempts simultaneously.
-	committed  bool                       // active attempt committed for retry?
+	committed  bool // active attempt committed for retry?
+	onCommit   func()
 	buffer     []func(a *csAttempt) error // operations to replay on retry
 	bufferSize int                        // current size of buffer
 }
@@ -448,6 +507,9 @@ type csAttempt struct {
 }
 
 func (cs *clientStream) commitAttemptLocked() {
+	if !cs.committed && cs.onCommit != nil {
+		cs.onCommit()
+	}
 	cs.committed = true
 	cs.buffer = nil
 }
@@ -461,11 +523,21 @@ func (cs *clientStream) commitAttempt() {
 // shouldRetry returns nil if the RPC should be retried; otherwise it returns
 // the error that should be returned by the operation.
 func (cs *clientStream) shouldRetry(err error) error {
-	if cs.attempt.s == nil && !cs.callInfo.failFast {
-		// In the event of any error from NewStream (attempt.s == nil), we
-		// never attempted to write anything to the wire, so we can retry
-		// indefinitely for non-fail-fast RPCs.
-		return nil
+	unprocessed := false
+	if cs.attempt.s == nil {
+		pioErr, ok := err.(transport.PerformedIOError)
+		if ok {
+			// Unwrap error.
+			err = toRPCErr(pioErr.Err)
+		} else {
+			unprocessed = true
+		}
+		if !ok && !cs.callInfo.failFast {
+			// In the event of a non-IO operation error from NewStream, we
+			// never attempted to write anything to the wire, so we can retry
+			// indefinitely for non-fail-fast RPCs.
+			return nil
+		}
 	}
 	if cs.finished || cs.committed {
 		// RPC is finished or committed; cannot retry.
@@ -474,13 +546,12 @@ func (cs *clientStream) shouldRetry(err error) error {
 	// Wait for the trailers.
 	if cs.attempt.s != nil {
 		<-cs.attempt.s.Done()
+		unprocessed = cs.attempt.s.Unprocessed()
 	}
-	if cs.firstAttempt && (cs.attempt.s == nil || cs.attempt.s.Unprocessed()) {
+	if cs.firstAttempt && unprocessed {
 		// First attempt, stream unprocessed: transparently retry.
-		cs.firstAttempt = false
 		return nil
 	}
-	cs.firstAttempt = false
 	if cs.cc.dopts.disableRetry {
 		return err
 	}
@@ -498,13 +569,13 @@ func (cs *clientStream) shouldRetry(err error) error {
 		if len(sps) == 1 {
 			var e error
 			if pushback, e = strconv.Atoi(sps[0]); e != nil || pushback < 0 {
-				grpclog.Infof("Server retry pushback specified to abort (%q).", sps[0])
+				channelz.Infof(logger, cs.cc.channelzID, "Server retry pushback specified to abort (%q).", sps[0])
 				cs.retryThrottler.throttle() // This counts as a failure for throttling.
 				return err
 			}
 			hasPushback = true
 		} else if len(sps) > 1 {
-			grpclog.Warningf("Server retry pushback specified multiple values (%q); not retrying.", sps)
+			channelz.Warningf(logger, cs.cc.channelzID, "Server retry pushback specified multiple values (%q); not retrying.", sps)
 			cs.retryThrottler.throttle() // This counts as a failure for throttling.
 			return err
 		}
@@ -517,8 +588,8 @@ func (cs *clientStream) shouldRetry(err error) error {
 		code = status.Convert(err).Code()
 	}
 
-	rp := cs.methodConfig.retryPolicy
-	if rp == nil || !rp.retryableStatusCodes[code] {
+	rp := cs.methodConfig.RetryPolicy
+	if rp == nil || !rp.RetryableStatusCodes[code] {
 		return err
 	}
 
@@ -527,7 +598,7 @@ func (cs *clientStream) shouldRetry(err error) error {
 	if cs.retryThrottler.throttle() {
 		return err
 	}
-	if cs.numRetries+1 >= rp.maxAttempts {
+	if cs.numRetries+1 >= rp.MaxAttempts {
 		return err
 	}
 
@@ -536,9 +607,9 @@ func (cs *clientStream) shouldRetry(err error) error {
 		dur = time.Millisecond * time.Duration(pushback)
 		cs.numRetriesSincePushback = 0
 	} else {
-		fact := math.Pow(rp.backoffMultiplier, float64(cs.numRetriesSincePushback))
-		cur := float64(rp.initialBackoff) * fact
-		if max := float64(rp.maxBackoff); cur > max {
+		fact := math.Pow(rp.BackoffMultiplier, float64(cs.numRetriesSincePushback))
+		cur := float64(rp.InitialBackoff) * fact
+		if max := float64(rp.MaxBackoff); cur > max {
 			cur = max
 		}
 		dur = time.Duration(grpcrand.Int63n(int64(cur)))
@@ -566,6 +637,7 @@ func (cs *clientStream) retryLocked(lastErr error) error {
 			cs.commitAttemptLocked()
 			return err
 		}
+		cs.firstAttempt = false
 		if err := cs.newAttemptLocked(nil, nil); err != nil {
 			return err
 		}
@@ -800,6 +872,15 @@ func (cs *clientStream) finish(err error) {
 	}
 	cs.finished = true
 	cs.commitAttemptLocked()
+	if cs.attempt != nil {
+		cs.attempt.finish(err)
+		// after functions all rely upon having a stream.
+		if cs.attempt.s != nil {
+			for _, o := range cs.opts {
+				o.after(cs.callInfo, cs.attempt)
+			}
+		}
+	}
 	cs.mu.Unlock()
 	// For binary logging. only log cancel in finish (could be caused by RPC ctx
 	// canceled or ClientConn closed). Trailer will be logged in RecvMsg.
@@ -821,15 +902,6 @@ func (cs *clientStream) finish(err error) {
 			cs.cc.incrCallsSucceeded()
 		}
 	}
-	if cs.attempt != nil {
-		cs.attempt.finish(err)
-		// after functions all rely upon having a stream.
-		if cs.attempt.s != nil {
-			for _, o := range cs.opts {
-				o.after(cs.callInfo)
-			}
-		}
-	}
 	cs.cancel()
 }
 
@@ -906,7 +978,7 @@ func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) {
 			Payload:  m,
 			// TODO truncate large payload.
 			Data:       payInfo.uncompressedBytes,
-			WireLength: payInfo.wireLength,
+			WireLength: payInfo.wireLength + headerLen,
 			Length:     len(payInfo.uncompressedBytes),
 		})
 	}
@@ -1067,7 +1139,6 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 		t:        t,
 	}
 
-	as.callInfo.stream = as
 	s, err := as.t.NewStream(as.ctx, as.callHdr)
 	if err != nil {
 		err = toRPCErr(err)
@@ -1489,7 +1560,7 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) {
 			Payload:  m,
 			// TODO truncate large payload.
 			Data:       payInfo.uncompressedBytes,
-			WireLength: payInfo.wireLength,
+			WireLength: payInfo.wireLength + headerLen,
 			Length:     len(payInfo.uncompressedBytes),
 		})
 	}
diff --git a/vendor/google.golang.org/grpc/tap/tap.go b/vendor/google.golang.org/grpc/tap/tap.go
index 584360f68..dbf34e6bb 100644
--- a/vendor/google.golang.org/grpc/tap/tap.go
+++ b/vendor/google.golang.org/grpc/tap/tap.go
@@ -17,7 +17,12 @@
  */
 
 // Package tap defines the function handles which are executed on the transport
-// layer of gRPC-Go and related information. Everything here is EXPERIMENTAL.
+// layer of gRPC-Go and related information.
+//
+// Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
 package tap
 
 import (
@@ -32,16 +37,16 @@ type Info struct {
 	// TODO: More to be added.
 }
 
-// ServerInHandle defines the function which runs before a new stream is created
-// on the server side. If it returns a non-nil error, the stream will not be
-// created and a RST_STREAM will be sent back to the client with REFUSED_STREAM.
-// The client will receive an RPC error "code = Unavailable, desc = stream
-// terminated by RST_STREAM with error code: REFUSED_STREAM".
+// ServerInHandle defines the function which runs before a new stream is
+// created on the server side. If it returns a non-nil error, the stream will
+// not be created and an error will be returned to the client.  If the error
+// returned is a status error, that status code and message will be used,
+// otherwise PermissionDenied will be the code and err.Error() will be the
+// message.
 //
 // It's intended to be used in situations where you don't want to waste the
-// resources to accept the new stream (e.g. rate-limiting). And the content of
-// the error will be ignored and won't be sent back to the client. For other
-// general usages, please use interceptors.
+// resources to accept the new stream (e.g. rate-limiting). For other general
+// usages, please use interceptors.
 //
 // Note that it is executed in the per-connection I/O goroutine(s) instead of
 // per-RPC goroutine. Therefore, users should NOT have any
diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go
index 1a831b159..bfe5cf887 100644
--- a/vendor/google.golang.org/grpc/version.go
+++ b/vendor/google.golang.org/grpc/version.go
@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.27.1"
+const Version = "1.38.0"
diff --git a/vendor/google.golang.org/grpc/vet.sh b/vendor/google.golang.org/grpc/vet.sh
index 0e7370727..1a0dbd7ee 100644
--- a/vendor/google.golang.org/grpc/vet.sh
+++ b/vendor/google.golang.org/grpc/vet.sh
@@ -1,20 +1,22 @@
 #!/bin/bash
 
-if [[ `uname -a` = *"Darwin"* ]]; then
-  echo "It seems you are running on Mac. This script does not work on Mac. See https://github.com/grpc/grpc-go/issues/2047"
-  exit 1
-fi
-
 set -ex  # Exit on error; debugging enabled.
 set -o pipefail  # Fail a pipe if any sub-command fails.
 
+# not makes sure the command passed to it does not exit with a return code of 0.
+not() {
+  # This is required instead of the earlier (! $COMMAND) because subshells and
+  # pipefail don't work the same on Darwin as in Linux.
+  ! "$@"
+}
+
 die() {
   echo "$@" >&2
   exit 1
 }
 
 fail_on_output() {
-  tee /dev/stderr | (! read)
+  tee /dev/stderr | not read
 }
 
 # Check to make sure it's safe to modify the user's git repo.
@@ -26,7 +28,8 @@ cleanup() {
 }
 trap cleanup EXIT
 
-PATH="${GOPATH}/bin:${GOROOT}/bin:${PATH}"
+PATH="${HOME}/go/bin:${GOROOT}/bin:${PATH}"
+go version
 
 if [[ "$1" = "-install" ]]; then
   # Check for module support
@@ -37,8 +40,7 @@ if [[ "$1" = "-install" ]]; then
       golang.org/x/lint/golint \
       golang.org/x/tools/cmd/goimports \
       honnef.co/go/tools/cmd/staticcheck \
-      github.com/client9/misspell/cmd/misspell \
-      github.com/golang/protobuf/protoc-gen-go
+      github.com/client9/misspell/cmd/misspell
     popd
   else
     # Ye olde `go get` incantation.
@@ -48,19 +50,26 @@ if [[ "$1" = "-install" ]]; then
       golang.org/x/lint/golint \
       golang.org/x/tools/cmd/goimports \
       honnef.co/go/tools/cmd/staticcheck \
-      github.com/client9/misspell/cmd/misspell \
-      github.com/golang/protobuf/protoc-gen-go
+      github.com/client9/misspell/cmd/misspell
   fi
   if [[ -z "${VET_SKIP_PROTO}" ]]; then
     if [[ "${TRAVIS}" = "true" ]]; then
-      PROTOBUF_VERSION=3.3.0
+      PROTOBUF_VERSION=3.14.0
       PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip
       pushd /home/travis
       wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME}
       unzip ${PROTOC_FILENAME}
       bin/protoc --version
       popd
-    elif ! which protoc > /dev/null; then
+    elif [[ "${GITHUB_ACTIONS}" = "true" ]]; then
+      PROTOBUF_VERSION=3.14.0
+      PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip
+      pushd /home/runner/go
+      wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME}
+      unzip ${PROTOC_FILENAME}
+      bin/protoc --version
+      popd
+    elif not which protoc > /dev/null; then
       die "Please install protoc into your path"
     fi
   fi
@@ -70,32 +79,32 @@ elif [[ "$#" -ne 0 ]]; then
 fi
 
 # - Ensure all source files contain a copyright message.
-(! git grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)\|DO NOT EDIT" -- '*.go')
+not git grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)\|DO NOT EDIT" -- '*.go'
 
 # - Make sure all tests in grpc and grpc/test use leakcheck via Teardown.
-(! grep 'func Test[^(]' *_test.go)
-(! grep 'func Test[^(]' test/*.go)
+not grep 'func Test[^(]' *_test.go
+not grep 'func Test[^(]' test/*.go
 
 # - Do not import x/net/context.
-(! git grep -l 'x/net/context' -- "*.go")
+not git grep -l 'x/net/context' -- "*.go"
 
 # - Do not import math/rand for real library code.  Use internal/grpcrand for
 #   thread safety.
-git grep -l '"math/rand"' -- "*.go" 2>&1 | (! grep -v '^examples\|^stress\|grpcrand\|^benchmark\|wrr_test')
+git grep -l '"math/rand"' -- "*.go" 2>&1 | not grep -v '^examples\|^stress\|grpcrand\|^benchmark\|wrr_test'
+
+# - Do not call grpclog directly. Use grpclog.Component instead.
+git grep -l 'grpclog.I\|grpclog.W\|grpclog.E\|grpclog.F\|grpclog.V' -- "*.go" | not grep -v '^grpclog/component.go\|^internal/grpctest/tlogger_test.go'
 
 # - Ensure all ptypes proto packages are renamed when importing.
-(! git grep "\(import \|^\s*\)\"github.com/golang/protobuf/ptypes/" -- "*.go")
+not git grep "\(import \|^\s*\)\"github.com/golang/protobuf/ptypes/" -- "*.go"
+
+# - Ensure all xds proto imports are renamed to *pb or *grpc.
+git grep '"github.com/envoyproxy/go-control-plane/envoy' -- '*.go' ':(exclude)*.pb.go' | not grep -v 'pb "\|grpc "'
 
 # - Check imports that are illegal in appengine (until Go 1.11).
 # TODO: Remove when we drop Go 1.10 support
 go list -f {{.Dir}} ./... | xargs go run test/go_vet/vet.go
 
-# - gofmt, goimports, golint (with exceptions for generated code), go vet.
-gofmt -s -d -l . 2>&1 | fail_on_output
-goimports -l . 2>&1 | (! grep -vE "(_mock|\.pb)\.go")
-golint ./... 2>&1 | (! grep -vE "(_mock|\.pb)\.go:")
-go vet -all .
-
 misspell -error .
 
 # - Check that generated proto files are up to date.
@@ -105,12 +114,22 @@ if [[ -z "${VET_SKIP_PROTO}" ]]; then
     (git status; git --no-pager diff; exit 1)
 fi
 
-# - Check that our module is tidy.
-if go help mod >& /dev/null; then
-  go mod tidy && \
-    git status --porcelain 2>&1 | fail_on_output || \
+# - gofmt, goimports, golint (with exceptions for generated code), go vet,
+# go mod tidy.
+# Perform these checks on each module inside gRPC.
+for MOD_FILE in $(find . -name 'go.mod'); do
+  MOD_DIR=$(dirname ${MOD_FILE})
+  pushd ${MOD_DIR}
+  go vet -all ./... | fail_on_output
+  gofmt -s -d -l . 2>&1 | fail_on_output
+  goimports -l . 2>&1 | not grep -vE "\.pb\.go"
+  golint ./... 2>&1 | not grep -vE "/testv3\.pb\.go:"
+
+  go mod tidy
+  git status --porcelain 2>&1 | fail_on_output || \
     (git status; git --no-pager diff; exit 1)
-fi
+  popd
+done
 
 # - Collection of static analysis checks
 #
@@ -119,20 +138,23 @@ fi
 SC_OUT="$(mktemp)"
 staticcheck -go 1.9 -checks 'inherit,-ST1015' ./... > "${SC_OUT}" || true
 # Error if anything other than deprecation warnings are printed.
-(! grep -v "is deprecated:.*SA1019" "${SC_OUT}")
+not grep -v "is deprecated:.*SA1019" "${SC_OUT}"
 # Only ignore the following deprecated types/fields/functions.
-(! grep -Fv '.HandleResolvedAddrs
-.HandleSubConnStateChange
+not grep -Fv '.CredsBundle
 .HeaderMap
+.Metadata is deprecated: use Attributes
 .NewAddress
 .NewServiceConfig
-.Metadata is deprecated: use Attributes
 .Type is deprecated: use Attributes
-.UpdateBalancerState
+BuildVersion is deprecated
+balancer.ErrTransientFailure
 balancer.Picker
+extDesc.Filename is deprecated
+github.com/golang/protobuf/jsonpb is deprecated
 grpc.CallCustomCodec
 grpc.Code
 grpc.Compressor
+grpc.CustomCodec
 grpc.Decompressor
 grpc.MaxMsgSize
 grpc.MethodConfig
@@ -140,9 +162,7 @@ grpc.NewGZIPCompressor
 grpc.NewGZIPDecompressor
 grpc.RPCCompressor
 grpc.RPCDecompressor
-grpc.RoundRobin
 grpc.ServiceConfig
-grpc.WithBalancer
 grpc.WithBalancerName
 grpc.WithCompressor
 grpc.WithDecompressor
@@ -151,9 +171,57 @@ grpc.WithMaxMsgSize
 grpc.WithServiceConfig
 grpc.WithTimeout
 http.CloseNotifier
-naming.Resolver
-naming.Update
-naming.Watcher
+info.SecurityVersion
+proto is deprecated
+proto.InternalMessageInfo is deprecated
+proto.EnumName is deprecated
+proto.ErrInternalBadWireType is deprecated
+proto.FileDescriptor is deprecated
+proto.Marshaler is deprecated
+proto.MessageType is deprecated
+proto.RegisterEnum is deprecated
+proto.RegisterFile is deprecated
+proto.RegisterType is deprecated
+proto.RegisterExtension is deprecated
+proto.RegisteredExtension is deprecated
+proto.RegisteredExtensions is deprecated
+proto.RegisterMapType is deprecated
+proto.Unmarshaler is deprecated
 resolver.Backend
-resolver.GRPCLB' "${SC_OUT}"
-)
+resolver.GRPCLB
+Target is deprecated: Use the Target field in the BuildOptions instead.
+xxx_messageInfo_
+' "${SC_OUT}"
+
+# - special golint on package comments.
+lint_package_comment_per_package() {
+  # Number of files in this go package.
+  fileCount=$(go list -f '{{len .GoFiles}}' $1)
+  if [ ${fileCount} -eq 0 ]; then
+    return 0
+  fi
+  # Number of package errors generated by golint.
+  lintPackageCommentErrorsCount=$(golint --min_confidence 0 $1 | grep -c "should have a package comment")
+  # golint complains about every file that's missing the package comment. If the
+  # number of files for this package is greater than the number of errors, there's
+  # at least one file with package comment, good. Otherwise, fail.
+  if [ ${fileCount} -le ${lintPackageCommentErrorsCount} ]; then
+    echo "Package $1 (with ${fileCount} files) is missing package comment"
+    return 1
+  fi
+}
+lint_package_comment() {
+  set +ex
+
+  count=0
+  for i in $(go list ./...); do
+    lint_package_comment_per_package "$i"
+    ((count += $?))
+  done
+
+  set -ex
+  return $count
+}
+lint_package_comment
+
+echo SUCCESS
diff --git a/vendor/gopkg.in/ini.v1/.travis.yml b/vendor/gopkg.in/ini.v1/.travis.yml
deleted file mode 100644
index 149b7249f..000000000
--- a/vendor/gopkg.in/ini.v1/.travis.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-sudo: false
-language: go
-go:
-  - 1.6.x
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
-  - 1.10.x
-  - 1.11.x
-  - 1.12.x
-  - 1.13.x
-
-install: skip
-script:
-  - go get golang.org/x/tools/cmd/cover
-  - go get github.com/smartystreets/goconvey
-  - mkdir -p $HOME/gopath/src/gopkg.in
-  - ln -s $HOME/gopath/src/github.com/go-ini/ini $HOME/gopath/src/gopkg.in/ini.v1
-  - cd $HOME/gopath/src/gopkg.in/ini.v1
-  - go test -v -cover -race
diff --git a/vendor/gopkg.in/ini.v1/Makefile b/vendor/gopkg.in/ini.v1/Makefile
index af27ff076..f3b0dae2d 100644
--- a/vendor/gopkg.in/ini.v1/Makefile
+++ b/vendor/gopkg.in/ini.v1/Makefile
@@ -6,7 +6,7 @@ test:
 	go test -v -cover -race
 
 bench:
-	go test -v -cover -race -test.bench=. -test.benchmem
+	go test -v -cover -test.bench=. -test.benchmem
 
 vet:
 	go vet
diff --git a/vendor/gopkg.in/ini.v1/README.md b/vendor/gopkg.in/ini.v1/README.md
index 3d6d3cfc0..5d65658b2 100644
--- a/vendor/gopkg.in/ini.v1/README.md
+++ b/vendor/gopkg.in/ini.v1/README.md
@@ -1,6 +1,9 @@
 # INI
 
-[![Build Status](https://img.shields.io/travis/go-ini/ini/master.svg?style=for-the-badge&logo=travis)](https://travis-ci.org/go-ini/ini) [![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-ini/ini)
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/go-ini/ini/Go?logo=github&style=for-the-badge)](https://github.com/go-ini/ini/actions?query=workflow%3AGo)
+[![codecov](https://img.shields.io/codecov/c/github/go-ini/ini/master?logo=codecov&style=for-the-badge)](https://codecov.io/gh/go-ini/ini)
+[![GoDoc](https://img.shields.io/badge/GoDoc-Reference-blue?style=for-the-badge&logo=go)](https://pkg.go.dev/github.com/go-ini/ini?tab=doc)
+[![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-ini/ini)
 
 ![](https://avatars0.githubusercontent.com/u/10216035?v=3&s=200)
 
@@ -8,7 +11,7 @@ Package ini provides INI file read and write functionality in Go.
 
 ## Features
 
-- Load from multiple data sources(`[]byte`, file and `io.ReadCloser`) with overwrites.
+- Load from multiple data sources(file, `[]byte`, `io.Reader` and `io.ReadCloser`) with overwrites.
 - Read with recursion values.
 - Read with parent-child sections.
 - Read with auto-increment key names.
@@ -33,6 +36,7 @@ Please add `-u` flag to update in the future.
 
 - [Getting Started](https://ini.unknwon.io/docs/intro/getting_started)
 - [API Documentation](https://gowalker.org/gopkg.in/ini.v1)
+- 中国大陆镜像：https://ini.unknwon.cn
 
 ## License
 
diff --git a/vendor/gopkg.in/ini.v1/codecov.yml b/vendor/gopkg.in/ini.v1/codecov.yml
new file mode 100644
index 000000000..fc947f230
--- /dev/null
+++ b/vendor/gopkg.in/ini.v1/codecov.yml
@@ -0,0 +1,9 @@
+coverage:
+  range: "60...95"
+  status:
+    project:
+      default:
+        threshold: 1%
+
+comment:
+  layout: 'diff, files'
diff --git a/vendor/gopkg.in/ini.v1/data_source.go b/vendor/gopkg.in/ini.v1/data_source.go
index dc0277ec6..c3a541f1d 100644
--- a/vendor/gopkg.in/ini.v1/data_source.go
+++ b/vendor/gopkg.in/ini.v1/data_source.go
@@ -68,6 +68,8 @@ func parseDataSource(source interface{}) (dataSource, error) {
 		return &sourceData{s}, nil
 	case io.ReadCloser:
 		return &sourceReadCloser{s}, nil
+	case io.Reader:
+		return &sourceReadCloser{ioutil.NopCloser(s)}, nil
 	default:
 		return nil, fmt.Errorf("error parsing data source: unknown type %q", s)
 	}
diff --git a/vendor/gopkg.in/ini.v1/file.go b/vendor/gopkg.in/ini.v1/file.go
index 017b77c8b..b96d172cf 100644
--- a/vendor/gopkg.in/ini.v1/file.go
+++ b/vendor/gopkg.in/ini.v1/file.go
@@ -25,7 +25,7 @@ import (
 	"sync"
 )
 
-// File represents a combination of a or more INI file(s) in memory.
+// File represents a combination of one or more INI files in memory.
 type File struct {
 	options     LoadOptions
 	dataSources []dataSource
@@ -36,8 +36,12 @@ type File struct {
 
 	// To keep data in order.
 	sectionList []string
+	// To keep track of the index of a section with same name.
+	// This meta list is only used with non-unique section names are allowed.
+	sectionIndexes []int
+
 	// Actual data is stored here.
-	sections map[string]*Section
+	sections map[string][]*Section
 
 	NameMapper
 	ValueMapper
@@ -48,27 +52,40 @@ func newFile(dataSources []dataSource, opts LoadOptions) *File {
 	if len(opts.KeyValueDelimiters) == 0 {
 		opts.KeyValueDelimiters = "=:"
 	}
+	if len(opts.KeyValueDelimiterOnWrite) == 0 {
+		opts.KeyValueDelimiterOnWrite = "="
+	}
+	if len(opts.ChildSectionDelimiter) == 0 {
+		opts.ChildSectionDelimiter = "."
+	}
+
 	return &File{
 		BlockMode:   true,
 		dataSources: dataSources,
-		sections:    make(map[string]*Section),
-		sectionList: make([]string, 0, 10),
+		sections:    make(map[string][]*Section),
 		options:     opts,
 	}
 }
 
 // Empty returns an empty file object.
-func Empty() *File {
-	// Ignore error here, we sure our data is good.
-	f, _ := Load([]byte(""))
+func Empty(opts ...LoadOptions) *File {
+	var opt LoadOptions
+	if len(opts) > 0 {
+		opt = opts[0]
+	}
+
+	// Ignore error here, we are sure our data is good.
+	f, _ := LoadSources(opt, []byte(""))
 	return f
 }
 
 // NewSection creates a new section.
 func (f *File) NewSection(name string) (*Section, error) {
 	if len(name) == 0 {
-		return nil, errors.New("error creating new section: empty section name")
-	} else if f.options.Insensitive && name != DefaultSection {
+		return nil, errors.New("empty section name")
+	}
+
+	if (f.options.Insensitive || f.options.InsensitiveSections) && name != DefaultSection {
 		name = strings.ToLower(name)
 	}
 
@@ -77,13 +94,20 @@ func (f *File) NewSection(name string) (*Section, error) {
 		defer f.lock.Unlock()
 	}
 
-	if inSlice(name, f.sectionList) {
-		return f.sections[name], nil
+	if !f.options.AllowNonUniqueSections && inSlice(name, f.sectionList) {
+		return f.sections[name][0], nil
 	}
 
 	f.sectionList = append(f.sectionList, name)
-	f.sections[name] = newSection(f, name)
-	return f.sections[name], nil
+
+	// NOTE: Append to indexes must happen before appending to sections,
+	// otherwise index will have off-by-one problem.
+	f.sectionIndexes = append(f.sectionIndexes, len(f.sections[name]))
+
+	sec := newSection(f, name)
+	f.sections[name] = append(f.sections[name], sec)
+
+	return sec, nil
 }
 
 // NewRawSection creates a new section with an unparseable body.
@@ -110,10 +134,20 @@ func (f *File) NewSections(names ...string) (err error) {
 
 // GetSection returns section by given name.
 func (f *File) GetSection(name string) (*Section, error) {
+	secs, err := f.SectionsByName(name)
+	if err != nil {
+		return nil, err
+	}
+
+	return secs[0], err
+}
+
+// SectionsByName returns all sections with given name.
+func (f *File) SectionsByName(name string) ([]*Section, error) {
 	if len(name) == 0 {
 		name = DefaultSection
 	}
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(name)
 	}
 
@@ -122,11 +156,12 @@ func (f *File) GetSection(name string) (*Section, error) {
 		defer f.lock.RUnlock()
 	}
 
-	sec := f.sections[name]
-	if sec == nil {
-		return nil, fmt.Errorf("section '%s' does not exist", name)
+	secs := f.sections[name]
+	if len(secs) == 0 {
+		return nil, fmt.Errorf("section %q does not exist", name)
 	}
-	return sec, nil
+
+	return secs, nil
 }
 
 // Section assumes named section exists and returns a zero-value when not.
@@ -141,6 +176,19 @@ func (f *File) Section(name string) *Section {
 	return sec
 }
 
+// SectionWithIndex assumes named section exists and returns a new section when not.
+func (f *File) SectionWithIndex(name string, index int) *Section {
+	secs, err := f.SectionsByName(name)
+	if err != nil || len(secs) <= index {
+		// NOTE: It's OK here because the only possible error is empty section name,
+		// but if it's empty, this piece of code won't be executed.
+		newSec, _ := f.NewSection(name)
+		return newSec
+	}
+
+	return secs[index]
+}
+
 // Sections returns a list of Section stored in the current instance.
 func (f *File) Sections() []*Section {
 	if f.BlockMode {
@@ -150,7 +198,7 @@ func (f *File) Sections() []*Section {
 
 	sections := make([]*Section, len(f.sectionList))
 	for i, name := range f.sectionList {
-		sections[i] = f.sections[name]
+		sections[i] = f.sections[name][f.sectionIndexes[i]]
 	}
 	return sections
 }
@@ -167,24 +215,70 @@ func (f *File) SectionStrings() []string {
 	return list
 }
 
-// DeleteSection deletes a section.
+// DeleteSection deletes a section or all sections with given name.
 func (f *File) DeleteSection(name string) {
-	if f.BlockMode {
-		f.lock.Lock()
-		defer f.lock.Unlock()
+	secs, err := f.SectionsByName(name)
+	if err != nil {
+		return
+	}
+
+	for i := 0; i < len(secs); i++ {
+		// For non-unique sections, it is always needed to remove the first one so
+		// in the next iteration, the subsequent section continue having index 0.
+		// Ignoring the error as index 0 never returns an error.
+		_ = f.DeleteSectionWithIndex(name, 0)
+	}
+}
+
+// DeleteSectionWithIndex deletes a section with given name and index.
+func (f *File) DeleteSectionWithIndex(name string, index int) error {
+	if !f.options.AllowNonUniqueSections && index != 0 {
+		return fmt.Errorf("delete section with non-zero index is only allowed when non-unique sections is enabled")
 	}
 
 	if len(name) == 0 {
 		name = DefaultSection
 	}
-
-	for i, s := range f.sectionList {
-		if s == name {
-			f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
-			delete(f.sections, name)
-			return
-		}
+	if f.options.Insensitive || f.options.InsensitiveSections {
+		name = strings.ToLower(name)
 	}
+
+	if f.BlockMode {
+		f.lock.Lock()
+		defer f.lock.Unlock()
+	}
+
+	// Count occurrences of the sections
+	occurrences := 0
+
+	sectionListCopy := make([]string, len(f.sectionList))
+	copy(sectionListCopy, f.sectionList)
+
+	for i, s := range sectionListCopy {
+		if s != name {
+			continue
+		}
+
+		if occurrences == index {
+			if len(f.sections[name]) <= 1 {
+				delete(f.sections, name) // The last one in the map
+			} else {
+				f.sections[name] = append(f.sections[name][:index], f.sections[name][index+1:]...)
+			}
+
+			// Fix section lists
+			f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
+			f.sectionIndexes = append(f.sectionIndexes[:i], f.sectionIndexes[i+1:]...)
+
+		} else if occurrences > index {
+			// Fix the indices of all following sections with this name.
+			f.sectionIndexes[i-1]--
+		}
+
+		occurrences++
+	}
+
+	return nil
 }
 
 func (f *File) reload(s dataSource) error {
@@ -203,11 +297,14 @@ func (f *File) Reload() (err error) {
 		if err = f.reload(s); err != nil {
 			// In loose mode, we create an empty default section for nonexistent files.
 			if os.IsNotExist(err) && f.options.Loose {
-				f.parse(bytes.NewBuffer(nil))
+				_ = f.parse(bytes.NewBuffer(nil))
 				continue
 			}
 			return err
 		}
+		if f.options.ShortCircuit {
+			return nil
+		}
 	}
 	return nil
 }
@@ -230,16 +327,16 @@ func (f *File) Append(source interface{}, others ...interface{}) error {
 }
 
 func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
-	equalSign := DefaultFormatLeft + "=" + DefaultFormatRight
+	equalSign := DefaultFormatLeft + f.options.KeyValueDelimiterOnWrite + DefaultFormatRight
 
 	if PrettyFormat || PrettyEqual {
-		equalSign = " = "
+		equalSign = fmt.Sprintf(" %s ", f.options.KeyValueDelimiterOnWrite)
 	}
 
 	// Use buffer to make sure target is safe until finish encoding.
 	buf := bytes.NewBuffer(nil)
 	for i, sname := range f.sectionList {
-		sec := f.Section(sname)
+		sec := f.SectionWithIndex(sname, f.sectionIndexes[i])
 		if len(sec.Comment) > 0 {
 			// Support multiline comments
 			lines := strings.Split(sec.Comment, LineBreak)
@@ -256,7 +353,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 			}
 		}
 
-		if i > 0 || DefaultHeader {
+		if i > 0 || DefaultHeader || (i == 0 && strings.ToUpper(sec.name) != DefaultSection) {
 			if _, err := buf.WriteString("[" + sname + "]" + LineBreak); err != nil {
 				return nil, err
 			}
@@ -282,7 +379,7 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 		}
 
 		// Count and generate alignment length and buffer spaces using the
-		// longest key. Keys may be modifed if they contain certain characters so
+		// longest key. Keys may be modified if they contain certain characters so
 		// we need to take that into account in our calculation.
 		alignLength := 0
 		if PrettyFormat {
@@ -360,6 +457,8 @@ func (f *File) writeToBuffer(indent string) (*bytes.Buffer, error) {
 					val = `"""` + val + `"""`
 				} else if !f.options.IgnoreInlineComment && strings.ContainsAny(val, "#;") {
 					val = "`" + val + "`"
+				} else if len(strings.TrimSpace(val)) != len(val) {
+					val = `"` + val + `"`
 				}
 				if _, err := buf.WriteString(equalSign + val + LineBreak); err != nil {
 					return nil, err
@@ -403,7 +502,7 @@ func (f *File) WriteTo(w io.Writer) (int64, error) {
 // SaveToIndent writes content to file system with given value indention.
 func (f *File) SaveToIndent(filename, indent string) error {
 	// Note: Because we are truncating with os.Create,
-	// 	so it's safer to save to a temporary file location and rename afte done.
+	// 	so it's safer to save to a temporary file location and rename after done.
 	buf, err := f.writeToBuffer(indent)
 	if err != nil {
 		return err
diff --git a/vendor/gopkg.in/ini.v1/ini.go b/vendor/gopkg.in/ini.v1/ini.go
index 945fc00c0..23f07422e 100644
--- a/vendor/gopkg.in/ini.v1/ini.go
+++ b/vendor/gopkg.in/ini.v1/ini.go
@@ -18,8 +18,10 @@
 package ini
 
 import (
+	"os"
 	"regexp"
 	"runtime"
+	"strings"
 )
 
 const (
@@ -29,14 +31,8 @@ const (
 
 	// Maximum allowed depth when recursively substituing variable names.
 	depthValues = 99
-	version     = "1.51.0"
 )
 
-// Version returns current package version literal.
-func Version() string {
-	return version
-}
-
 var (
 	// LineBreak is the delimiter to determine or compose a new line.
 	// This variable will be changed to "\r\n" automatically on Windows at package init time.
@@ -61,8 +57,10 @@ var (
 	DefaultFormatRight = ""
 )
 
+var inTest = len(os.Args) > 0 && strings.HasSuffix(strings.TrimSuffix(os.Args[0], ".exe"), ".test")
+
 func init() {
-	if runtime.GOOS == "windows" {
+	if runtime.GOOS == "windows" && !inTest {
 		LineBreak = "\r\n"
 	}
 }
@@ -73,12 +71,18 @@ type LoadOptions struct {
 	Loose bool
 	// Insensitive indicates whether the parser forces all section and key names to lowercase.
 	Insensitive bool
+	// InsensitiveSections indicates whether the parser forces all section to lowercase.
+	InsensitiveSections bool
+	// InsensitiveKeys indicates whether the parser forces all key names to lowercase.
+	InsensitiveKeys bool
 	// IgnoreContinuation indicates whether to ignore continuation lines while parsing.
 	IgnoreContinuation bool
 	// IgnoreInlineComment indicates whether to ignore comments at the end of value and treat it as part of value.
 	IgnoreInlineComment bool
 	// SkipUnrecognizableLines indicates whether to skip unrecognizable lines that do not conform to key/value pairs.
 	SkipUnrecognizableLines bool
+	// ShortCircuit indicates whether to ignore other configuration sources after loaded the first available configuration source.
+	ShortCircuit bool
 	// AllowBooleanKeys indicates whether to allow boolean type keys or treat as value is missing.
 	// This type of keys are mostly used in my.cnf.
 	AllowBooleanKeys bool
@@ -109,12 +113,18 @@ type LoadOptions struct {
 	UnparseableSections []string
 	// KeyValueDelimiters is the sequence of delimiters that are used to separate key and value. By default, it is "=:".
 	KeyValueDelimiters string
+	// KeyValueDelimiterOnWrite is the delimiter that are used to separate key and value output. By default, it is "=".
+	KeyValueDelimiterOnWrite string
+	// ChildSectionDelimiter is the delimiter that is used to separate child sections. By default, it is ".".
+	ChildSectionDelimiter string
 	// PreserveSurroundedQuote indicates whether to preserve surrounded quote (single and double quotes).
 	PreserveSurroundedQuote bool
 	// DebugFunc is called to collect debug information (currently only useful to debug parsing Python-style multiline values).
 	DebugFunc DebugFunc
 	// ReaderBufferSize is the buffer size of the reader in bytes.
 	ReaderBufferSize int
+	// AllowNonUniqueSections indicates whether to allow sections with the same name multiple times.
+	AllowNonUniqueSections bool
 }
 
 // DebugFunc is the type of function called to log parse events.
diff --git a/vendor/gopkg.in/ini.v1/key.go b/vendor/gopkg.in/ini.v1/key.go
index 3c197410f..8baafd9ea 100644
--- a/vendor/gopkg.in/ini.v1/key.go
+++ b/vendor/gopkg.in/ini.v1/key.go
@@ -686,99 +686,127 @@ func (k *Key) StrictTimes(delim string) ([]time.Time, error) {
 // parseBools transforms strings to bools.
 func (k *Key) parseBools(strs []string, addInvalid, returnOnInvalid bool) ([]bool, error) {
 	vals := make([]bool, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := parseBool(str)
-		if err != nil && returnOnInvalid {
-			return nil, err
-		}
-		if err == nil || addInvalid {
-			vals = append(vals, val)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(bool))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseFloat64s transforms strings to float64s.
 func (k *Key) parseFloat64s(strs []string, addInvalid, returnOnInvalid bool) ([]float64, error) {
 	vals := make([]float64, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := strconv.ParseFloat(str, 64)
-		if err != nil && returnOnInvalid {
-			return nil, err
-		}
-		if err == nil || addInvalid {
-			vals = append(vals, val)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(float64))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseInts transforms strings to ints.
 func (k *Key) parseInts(strs []string, addInvalid, returnOnInvalid bool) ([]int, error) {
 	vals := make([]int, 0, len(strs))
-	for _, str := range strs {
-		valInt64, err := strconv.ParseInt(str, 0, 64)
-		val := int(valInt64)
-		if err != nil && returnOnInvalid {
-			return nil, err
-		}
-		if err == nil || addInvalid {
-			vals = append(vals, val)
+	parser := func(str string) (interface{}, error) {
+		val, err := strconv.ParseInt(str, 0, 64)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, int(val.(int64)))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseInt64s transforms strings to int64s.
 func (k *Key) parseInt64s(strs []string, addInvalid, returnOnInvalid bool) ([]int64, error) {
 	vals := make([]int64, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := strconv.ParseInt(str, 0, 64)
-		if err != nil && returnOnInvalid {
-			return nil, err
-		}
-		if err == nil || addInvalid {
-			vals = append(vals, val)
+		return val, err
+	}
+
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(int64))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseUints transforms strings to uints.
 func (k *Key) parseUints(strs []string, addInvalid, returnOnInvalid bool) ([]uint, error) {
 	vals := make([]uint, 0, len(strs))
-	for _, str := range strs {
-		val, err := strconv.ParseUint(str, 0, 0)
-		if err != nil && returnOnInvalid {
-			return nil, err
-		}
-		if err == nil || addInvalid {
-			vals = append(vals, uint(val))
+	parser := func(str string) (interface{}, error) {
+		val, err := strconv.ParseUint(str, 0, 64)
+		return val, err
+	}
+
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, uint(val.(uint64)))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
 // parseUint64s transforms strings to uint64s.
 func (k *Key) parseUint64s(strs []string, addInvalid, returnOnInvalid bool) ([]uint64, error) {
 	vals := make([]uint64, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := strconv.ParseUint(str, 0, 64)
-		if err != nil && returnOnInvalid {
-			return nil, err
-		}
-		if err == nil || addInvalid {
-			vals = append(vals, val)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(uint64))
 		}
 	}
-	return vals, nil
+	return vals, err
 }
 
+
+type Parser func(str string) (interface{}, error)
+
+
 // parseTimesFormat transforms strings to times in given format.
 func (k *Key) parseTimesFormat(format string, strs []string, addInvalid, returnOnInvalid bool) ([]time.Time, error) {
 	vals := make([]time.Time, 0, len(strs))
-	for _, str := range strs {
+	parser := func(str string) (interface{}, error) {
 		val, err := time.Parse(format, str)
+		return val, err
+	}
+	rawVals, err := k.doParse(strs, addInvalid, returnOnInvalid, parser)
+	if err == nil {
+		for _, val := range rawVals {
+			vals = append(vals, val.(time.Time))
+		}
+	}
+	return vals, err
+}
+
+
+// doParse transforms strings to different types
+func (k *Key) doParse(strs []string, addInvalid, returnOnInvalid bool, parser Parser) ([]interface{}, error) {
+	vals := make([]interface{}, 0, len(strs))
+	for _, str := range strs {
+		val, err := parser(str)
 		if err != nil && returnOnInvalid {
 			return nil, err
 		}
diff --git a/vendor/gopkg.in/ini.v1/parser.go b/vendor/gopkg.in/ini.v1/parser.go
index 53ab45c46..65147166f 100644
--- a/vendor/gopkg.in/ini.v1/parser.go
+++ b/vendor/gopkg.in/ini.v1/parser.go
@@ -84,7 +84,10 @@ func (p *parser) BOM() error {
 	case mask[0] == 254 && mask[1] == 255:
 		fallthrough
 	case mask[0] == 255 && mask[1] == 254:
-		p.buf.Read(mask)
+		_, err = p.buf.Read(mask)
+		if err != nil {
+			return err
+		}
 	case mask[0] == 239 && mask[1] == 187:
 		mask, err := p.buf.Peek(3)
 		if err != nil && err != io.EOF {
@@ -93,7 +96,10 @@ func (p *parser) BOM() error {
 			return nil
 		}
 		if mask[2] == 191 {
-			p.buf.Read(mask)
+			_, err = p.buf.Read(mask)
+			if err != nil {
+				return err
+			}
 		}
 	}
 	return nil
@@ -135,7 +141,7 @@ func readKeyName(delimiters string, in []byte) (string, int, error) {
 	}
 
 	// Get out key name
-	endIdx := -1
+	var endIdx int
 	if len(keyQuote) > 0 {
 		startIdx := len(keyQuote)
 		// FIXME: fail case -> """"""name"""=value
@@ -181,7 +187,7 @@ func (p *parser) readMultilines(line, val, valQuote string) (string, error) {
 		}
 		val += next
 		if p.isEOF {
-			return "", fmt.Errorf("missing closing key quote from '%s' to '%s'", line, next)
+			return "", fmt.Errorf("missing closing key quote from %q to %q", line, next)
 		}
 	}
 	return val, nil
@@ -371,7 +377,7 @@ func (f *File) parse(reader io.Reader) (err error) {
 
 	// Ignore error because default section name is never empty string.
 	name := DefaultSection
-	if f.options.Insensitive {
+	if f.options.Insensitive || f.options.InsensitiveSections {
 		name = strings.ToLower(DefaultSection)
 	}
 	section, _ := f.NewSection(name)
@@ -413,7 +419,10 @@ func (f *File) parse(reader io.Reader) (err error) {
 		if f.options.AllowNestedValues &&
 			isLastValueEmpty && len(line) > 0 {
 			if line[0] == ' ' || line[0] == '\t' {
-				lastRegularKey.addNestedValue(string(bytes.TrimSpace(line)))
+				err = lastRegularKey.addNestedValue(string(bytes.TrimSpace(line)))
+				if err != nil {
+					return err
+				}
 				continue
 			}
 		}
@@ -453,14 +462,14 @@ func (f *File) parse(reader io.Reader) (err error) {
 
 			section.Comment = strings.TrimSpace(p.comment.String())
 
-			// Reset aotu-counter and comments
+			// Reset auto-counter and comments
 			p.comment.Reset()
 			p.count = 1
 
 			inUnparseableSection = false
 			for i := range f.options.UnparseableSections {
 				if f.options.UnparseableSections[i] == name ||
-					(f.options.Insensitive && strings.ToLower(f.options.UnparseableSections[i]) == strings.ToLower(name)) {
+					((f.options.Insensitive || f.options.InsensitiveSections) && strings.EqualFold(f.options.UnparseableSections[i], name)) {
 					inUnparseableSection = true
 					continue
 				}
diff --git a/vendor/gopkg.in/ini.v1/section.go b/vendor/gopkg.in/ini.v1/section.go
index 0bd3e1301..afaa97c97 100644
--- a/vendor/gopkg.in/ini.v1/section.go
+++ b/vendor/gopkg.in/ini.v1/section.go
@@ -66,7 +66,7 @@ func (s *Section) SetBody(body string) {
 func (s *Section) NewKey(name, val string) (*Key, error) {
 	if len(name) == 0 {
 		return nil, errors.New("error creating new key: empty key name")
-	} else if s.f.options.Insensitive {
+	} else if s.f.options.Insensitive || s.f.options.InsensitiveKeys {
 		name = strings.ToLower(name)
 	}
 
@@ -109,7 +109,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 	if s.f.BlockMode {
 		s.f.lock.RLock()
 	}
-	if s.f.options.Insensitive {
+	if s.f.options.Insensitive || s.f.options.InsensitiveKeys {
 		name = strings.ToLower(name)
 	}
 	key := s.keys[name]
@@ -121,7 +121,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 		// Check if it is a child-section.
 		sname := s.name
 		for {
-			if i := strings.LastIndex(sname, "."); i > -1 {
+			if i := strings.LastIndex(sname, s.f.options.ChildSectionDelimiter); i > -1 {
 				sname = sname[:i]
 				sec, err := s.f.GetSection(sname)
 				if err != nil {
@@ -131,7 +131,7 @@ func (s *Section) GetKey(name string) (*Key, error) {
 			}
 			break
 		}
-		return nil, fmt.Errorf("error when getting key of section '%s': key '%s' not exists", s.name, name)
+		return nil, fmt.Errorf("error when getting key of section %q: key %q not exists", s.name, name)
 	}
 	return key, nil
 }
@@ -188,7 +188,7 @@ func (s *Section) ParentKeys() []*Key {
 	var parentKeys []*Key
 	sname := s.name
 	for {
-		if i := strings.LastIndex(sname, "."); i > -1 {
+		if i := strings.LastIndex(sname, s.f.options.ChildSectionDelimiter); i > -1 {
 			sname = sname[:i]
 			sec, err := s.f.GetSection(sname)
 			if err != nil {
@@ -245,11 +245,11 @@ func (s *Section) DeleteKey(name string) {
 // For example, "[parent.child1]" and "[parent.child12]" are child sections
 // of section "[parent]".
 func (s *Section) ChildSections() []*Section {
-	prefix := s.name + "."
+	prefix := s.name + s.f.options.ChildSectionDelimiter
 	children := make([]*Section, 0, 3)
 	for _, name := range s.f.sectionList {
 		if strings.HasPrefix(name, prefix) {
-			children = append(children, s.f.sections[name])
+			children = append(children, s.f.sections[name]...)
 		}
 	}
 	return children
diff --git a/vendor/gopkg.in/ini.v1/struct.go b/vendor/gopkg.in/ini.v1/struct.go
index 6bc70e4d4..a486b2fe0 100644
--- a/vendor/gopkg.in/ini.v1/struct.go
+++ b/vendor/gopkg.in/ini.v1/struct.go
@@ -183,6 +183,10 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 		if vt.Name() == "Duration" {
 			durationVal, err := key.Duration()
 			if err != nil {
+				if intVal, err := key.Int64(); err == nil {
+					field.SetInt(intVal)
+					return nil
+				}
 				return wrapStrictError(err, isStrict)
 			}
 			if isPtr {
@@ -254,24 +258,26 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 	case reflect.Slice:
 		return setSliceWithProperType(key, field, delim, allowShadow, isStrict)
 	default:
-		return fmt.Errorf("unsupported type '%s'", t)
+		return fmt.Errorf("unsupported type %q", t)
 	}
 	return nil
 }
 
-func parseTagOptions(tag string) (rawName string, omitEmpty bool, allowShadow bool) {
-	opts := strings.SplitN(tag, ",", 3)
+func parseTagOptions(tag string) (rawName string, omitEmpty bool, allowShadow bool, allowNonUnique bool, extends bool) {
+	opts := strings.SplitN(tag, ",", 5)
 	rawName = opts[0]
-	if len(opts) > 1 {
-		omitEmpty = opts[1] == "omitempty"
+	for _, opt := range opts[1:] {
+		omitEmpty = omitEmpty || (opt == "omitempty")
+		allowShadow = allowShadow || (opt == "allowshadow")
+		allowNonUnique = allowNonUnique || (opt == "nonunique")
+		extends = extends || (opt == "extends")
 	}
-	if len(opts) > 2 {
-		allowShadow = opts[2] == "allowshadow"
-	}
-	return rawName, omitEmpty, allowShadow
+	return rawName, omitEmpty, allowShadow, allowNonUnique, extends
 }
 
-func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
+// mapToField maps the given value to the matching field of the given section.
+// The sectionIndex is the index (if non unique sections are enabled) to which the value should be added.
+func (s *Section) mapToField(val reflect.Value, isStrict bool, sectionIndex int, sectionName string) error {
 	if val.Kind() == reflect.Ptr {
 		val = val.Elem()
 	}
@@ -286,7 +292,7 @@ func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
 			continue
 		}
 
-		rawName, _, allowShadow := parseTagOptions(tag)
+		rawName, _, allowShadow, allowNonUnique, extends := parseTagOptions(tag)
 		fieldName := s.parseFieldName(tpField.Name, rawName)
 		if len(fieldName) == 0 || !field.CanSet() {
 			continue
@@ -294,62 +300,116 @@ func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
 
 		isStruct := tpField.Type.Kind() == reflect.Struct
 		isStructPtr := tpField.Type.Kind() == reflect.Ptr && tpField.Type.Elem().Kind() == reflect.Struct
-		isAnonymous := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
-		if isAnonymous {
+		isAnonymousPtr := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
+		if isAnonymousPtr {
 			field.Set(reflect.New(tpField.Type.Elem()))
 		}
 
-		if isAnonymous || isStruct || isStructPtr {
-			if sec, err := s.f.GetSection(fieldName); err == nil {
-				// Only set the field to non-nil struct value if we have
-				// a section for it. Otherwise, we end up with a non-nil
-				// struct ptr even though there is no data.
+		if extends && (isAnonymousPtr || (isStruct && tpField.Anonymous)) {
+			if isStructPtr && field.IsNil() {
+				field.Set(reflect.New(tpField.Type.Elem()))
+			}
+			fieldSection := s
+			if rawName != "" {
+				sectionName = s.name + s.f.options.ChildSectionDelimiter + rawName
+				if secs, err := s.f.SectionsByName(sectionName); err == nil && sectionIndex < len(secs) {
+					fieldSection = secs[sectionIndex]
+				}
+			}
+			if err := fieldSection.mapToField(field, isStrict, sectionIndex, sectionName); err != nil {
+				return fmt.Errorf("map to field %q: %v", fieldName, err)
+			}
+		} else if isAnonymousPtr || isStruct || isStructPtr {
+			if secs, err := s.f.SectionsByName(fieldName); err == nil {
+				if len(secs) <= sectionIndex {
+					return fmt.Errorf("there are not enough sections (%d <= %d) for the field %q", len(secs), sectionIndex, fieldName)
+				}
+				// Only set the field to non-nil struct value if we have a section for it.
+				// Otherwise, we end up with a non-nil struct ptr even though there is no data.
 				if isStructPtr && field.IsNil() {
 					field.Set(reflect.New(tpField.Type.Elem()))
 				}
-				if err = sec.mapTo(field, isStrict); err != nil {
-					return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
+				if err = secs[sectionIndex].mapToField(field, isStrict, sectionIndex, fieldName); err != nil {
+					return fmt.Errorf("map to field %q: %v", fieldName, err)
 				}
 				continue
 			}
 		}
+
+		// Map non-unique sections
+		if allowNonUnique && tpField.Type.Kind() == reflect.Slice {
+			newField, err := s.mapToSlice(fieldName, field, isStrict)
+			if err != nil {
+				return fmt.Errorf("map to slice %q: %v", fieldName, err)
+			}
+
+			field.Set(newField)
+			continue
+		}
+
 		if key, err := s.GetKey(fieldName); err == nil {
 			delim := parseDelim(tpField.Tag.Get("delim"))
 			if err = setWithProperType(tpField.Type, key, field, delim, allowShadow, isStrict); err != nil {
-				return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
+				return fmt.Errorf("set field %q: %v", fieldName, err)
 			}
 		}
 	}
 	return nil
 }
 
-// MapTo maps section to given struct.
-func (s *Section) MapTo(v interface{}) error {
+// mapToSlice maps all sections with the same name and returns the new value.
+// The type of the Value must be a slice.
+func (s *Section) mapToSlice(secName string, val reflect.Value, isStrict bool) (reflect.Value, error) {
+	secs, err := s.f.SectionsByName(secName)
+	if err != nil {
+		return reflect.Value{}, err
+	}
+
+	typ := val.Type().Elem()
+	for i, sec := range secs {
+		elem := reflect.New(typ)
+		if err = sec.mapToField(elem, isStrict, i, sec.name); err != nil {
+			return reflect.Value{}, fmt.Errorf("map to field from section %q: %v", secName, err)
+		}
+
+		val = reflect.Append(val, elem.Elem())
+	}
+	return val, nil
+}
+
+// mapTo maps a section to object v.
+func (s *Section) mapTo(v interface{}, isStrict bool) error {
 	typ := reflect.TypeOf(v)
 	val := reflect.ValueOf(v)
 	if typ.Kind() == reflect.Ptr {
 		typ = typ.Elem()
 		val = val.Elem()
 	} else {
-		return errors.New("cannot map to non-pointer struct")
+		return errors.New("not a pointer to a struct")
 	}
 
-	return s.mapTo(val, false)
+	if typ.Kind() == reflect.Slice {
+		newField, err := s.mapToSlice(s.name, val, isStrict)
+		if err != nil {
+			return err
+		}
+
+		val.Set(newField)
+		return nil
+	}
+
+	return s.mapToField(val, isStrict, 0, s.name)
+}
+
+// MapTo maps section to given struct.
+func (s *Section) MapTo(v interface{}) error {
+	return s.mapTo(v, false)
 }
 
 // StrictMapTo maps section to given struct in strict mode,
 // which returns all possible error including value parsing error.
 func (s *Section) StrictMapTo(v interface{}) error {
-	typ := reflect.TypeOf(v)
-	val := reflect.ValueOf(v)
-	if typ.Kind() == reflect.Ptr {
-		typ = typ.Elem()
-		val = val.Elem()
-	} else {
-		return errors.New("cannot map to non-pointer struct")
-	}
-
-	return s.mapTo(val, true)
+	return s.mapTo(v, true)
 }
 
 // MapTo maps file to given struct.
@@ -427,10 +487,10 @@ func reflectSliceWithProperType(key *Key, field reflect.Value, delim string, all
 			if i == 0 {
 				keyWithShadows = newKey(key.s, key.name, val)
 			} else {
-				keyWithShadows.AddShadow(val)
+				_ = keyWithShadows.AddShadow(val)
 			}
 		}
-		key = keyWithShadows
+		*key = *keyWithShadows
 		return nil
 	}
 
@@ -480,7 +540,7 @@ func reflectWithProperType(t reflect.Type, key *Key, field reflect.Value, delim
 			return reflectWithProperType(t.Elem(), key, field.Elem(), delim, allowShadow)
 		}
 	default:
-		return fmt.Errorf("unsupported type '%s'", t)
+		return fmt.Errorf("unsupported type %q", t)
 	}
 	return nil
 }
@@ -508,6 +568,11 @@ func isEmptyValue(v reflect.Value) bool {
 	return false
 }
 
+// StructReflector is the interface implemented by struct types that can extract themselves into INI objects.
+type StructReflector interface {
+	ReflectINIStruct(*File) error
+}
+
 func (s *Section) reflectFrom(val reflect.Value) error {
 	if val.Kind() == reflect.Ptr {
 		val = val.Elem()
@@ -515,6 +580,10 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 	typ := val.Type()
 
 	for i := 0; i < typ.NumField(); i++ {
+		if !val.Field(i).CanInterface() {
+			continue
+		}
+
 		field := val.Field(i)
 		tpField := typ.Field(i)
 
@@ -523,17 +592,28 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			continue
 		}
 
-		rawName, omitEmpty, allowShadow := parseTagOptions(tag)
+		rawName, omitEmpty, allowShadow, allowNonUnique, extends := parseTagOptions(tag)
 		if omitEmpty && isEmptyValue(field) {
 			continue
 		}
 
+		if r, ok := field.Interface().(StructReflector); ok {
+			return r.ReflectINIStruct(s.f)
+		}
+
 		fieldName := s.parseFieldName(tpField.Name, rawName)
 		if len(fieldName) == 0 || !field.CanSet() {
 			continue
 		}
 
-		if (tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous) ||
+		if extends && tpField.Anonymous && (tpField.Type.Kind() == reflect.Ptr || tpField.Type.Kind() == reflect.Struct) {
+			if err := s.reflectFrom(field); err != nil {
+				return fmt.Errorf("reflect from field %q: %v", fieldName, err)
+			}
+			continue
+		}
+
+		if (tpField.Type.Kind() == reflect.Ptr && tpField.Type.Elem().Kind() == reflect.Struct) ||
 			(tpField.Type.Kind() == reflect.Struct && tpField.Type.Name() != "Time") {
 			// Note: The only error here is section doesn't exist.
 			sec, err := s.f.GetSection(fieldName)
@@ -548,12 +628,41 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			}
 
 			if err = sec.reflectFrom(field); err != nil {
-				return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
+				return fmt.Errorf("reflect from field %q: %v", fieldName, err)
 			}
 			continue
 		}
 
-		// Note: Same reason as secion.
+		if allowNonUnique && tpField.Type.Kind() == reflect.Slice {
+			slice := field.Slice(0, field.Len())
+			if field.Len() == 0 {
+				return nil
+			}
+			sliceOf := field.Type().Elem().Kind()
+
+			for i := 0; i < field.Len(); i++ {
+				if sliceOf != reflect.Struct && sliceOf != reflect.Ptr {
+					return fmt.Errorf("field %q is not a slice of pointer or struct", fieldName)
+				}
+
+				sec, err := s.f.NewSection(fieldName)
+				if err != nil {
+					return err
+				}
+
+				// Add comment from comment tag
+				if len(sec.Comment) == 0 {
+					sec.Comment = tpField.Tag.Get("comment")
+				}
+
+				if err := sec.reflectFrom(slice.Index(i)); err != nil {
+					return fmt.Errorf("reflect from field %q: %v", fieldName, err)
+				}
+			}
+			continue
+		}
+
+		// Note: Same reason as section.
 		key, err := s.GetKey(fieldName)
 		if err != nil {
 			key, _ = s.NewKey(fieldName, "")
@@ -564,23 +673,58 @@ func (s *Section) reflectFrom(val reflect.Value) error {
 			key.Comment = tpField.Tag.Get("comment")
 		}
 
-		if err = reflectWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim")), allowShadow); err != nil {
-			return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
+		delim := parseDelim(tpField.Tag.Get("delim"))
+		if err = reflectWithProperType(tpField.Type, key, field, delim, allowShadow); err != nil {
+			return fmt.Errorf("reflect field %q: %v", fieldName, err)
 		}
 
 	}
 	return nil
 }
 
-// ReflectFrom reflects secion from given struct.
+// ReflectFrom reflects section from given struct. It overwrites existing ones.
 func (s *Section) ReflectFrom(v interface{}) error {
 	typ := reflect.TypeOf(v)
 	val := reflect.ValueOf(v)
+
+	if s.name != DefaultSection && s.f.options.AllowNonUniqueSections &&
+		(typ.Kind() == reflect.Slice || typ.Kind() == reflect.Ptr) {
+		// Clear sections to make sure none exists before adding the new ones
+		s.f.DeleteSection(s.name)
+
+		if typ.Kind() == reflect.Ptr {
+			sec, err := s.f.NewSection(s.name)
+			if err != nil {
+				return err
+			}
+			return sec.reflectFrom(val.Elem())
+		}
+
+		slice := val.Slice(0, val.Len())
+		sliceOf := val.Type().Elem().Kind()
+		if sliceOf != reflect.Ptr {
+			return fmt.Errorf("not a slice of pointers")
+		}
+
+		for i := 0; i < slice.Len(); i++ {
+			sec, err := s.f.NewSection(s.name)
+			if err != nil {
+				return err
+			}
+
+			err = sec.reflectFrom(slice.Index(i))
+			if err != nil {
+				return fmt.Errorf("reflect from %dth field: %v", i, err)
+			}
+		}
+
+		return nil
+	}
+
 	if typ.Kind() == reflect.Ptr {
-		typ = typ.Elem()
 		val = val.Elem()
 	} else {
-		return errors.New("cannot reflect from non-pointer struct")
+		return errors.New("not a pointer to a struct")
 	}
 
 	return s.reflectFrom(val)
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d8b592b23..dcdb6c30a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -51,6 +51,8 @@ github.com/containernetworking/cni/pkg/types
 github.com/containernetworking/cni/pkg/types/020
 github.com/containernetworking/cni/pkg/types/current
 github.com/containernetworking/cni/pkg/version
+# github.com/daixiang0/gci v0.2.9
+## explicit
 # github.com/davecgh/go-spew v1.1.1
 github.com/davecgh/go-spew/spew
 # github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0
@@ -87,7 +89,7 @@ github.com/gogo/protobuf/protoc-gen-gogo/descriptor
 github.com/gogo/protobuf/sortkeys
 # github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
 github.com/golang/groupcache/lru
-# github.com/golang/mock v1.4.1
+# github.com/golang/mock v1.5.0
 ## explicit
 github.com/golang/mock/gomock
 # github.com/golang/protobuf v1.5.2
@@ -153,7 +155,7 @@ github.com/ishidawataru/sctp
 github.com/json-iterator/go
 # github.com/logrusorgru/aurora v2.0.3+incompatible
 ## explicit
-# github.com/magiconair/properties v1.8.1
+# github.com/magiconair/properties v1.8.5
 github.com/magiconair/properties
 # github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369
 github.com/matttproud/golang_protobuf_extensions/pbutil
@@ -161,7 +163,7 @@ github.com/matttproud/golang_protobuf_extensions/pbutil
 ## explicit
 github.com/microsoft/ApplicationInsights-Go/appinsights
 github.com/microsoft/ApplicationInsights-Go/appinsights/contracts
-# github.com/mitchellh/mapstructure v1.1.2
+# github.com/mitchellh/mapstructure v1.4.1
 github.com/mitchellh/mapstructure
 # github.com/moby/spdystream v0.2.0
 github.com/moby/spdystream
@@ -211,9 +213,10 @@ github.com/onsi/gomega/matchers/support/goraph/edge
 github.com/onsi/gomega/matchers/support/goraph/node
 github.com/onsi/gomega/matchers/support/goraph/util
 github.com/onsi/gomega/types
-# github.com/pelletier/go-toml v1.2.0
+# github.com/pelletier/go-toml v1.9.3
 github.com/pelletier/go-toml
 # github.com/pkg/errors v0.9.1
+## explicit
 github.com/pkg/errors
 # github.com/pmezard/go-difflib v1.0.0
 github.com/pmezard/go-difflib/difflib
@@ -243,20 +246,20 @@ github.com/rs/cors
 github.com/satori/go.uuid
 # github.com/sirupsen/logrus v1.7.0
 github.com/sirupsen/logrus
-# github.com/spf13/afero v1.2.2
+# github.com/spf13/afero v1.6.0
 github.com/spf13/afero
 github.com/spf13/afero/mem
-# github.com/spf13/cast v1.3.0
+# github.com/spf13/cast v1.3.1
 github.com/spf13/cast
-# github.com/spf13/cobra v1.1.1
+# github.com/spf13/cobra v1.2.1
 ## explicit
 github.com/spf13/cobra
-# github.com/spf13/jwalterweatherman v1.0.0
+# github.com/spf13/jwalterweatherman v1.1.0
 github.com/spf13/jwalterweatherman
 # github.com/spf13/pflag v1.0.5
 ## explicit
 github.com/spf13/pflag
-# github.com/spf13/viper v1.7.0
+# github.com/spf13/viper v1.8.1
 ## explicit
 github.com/spf13/viper
 # github.com/stretchr/testify v1.7.0
@@ -269,7 +272,7 @@ github.com/subosito/gotenv
 ## explicit
 # github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f
 ## explicit
-# go.opencensus.io v0.22.3
+# go.opencensus.io v0.23.0
 go.opencensus.io
 go.opencensus.io/internal
 go.opencensus.io/trace
@@ -290,7 +293,7 @@ golang.org/x/net/internal/socks
 golang.org/x/net/internal/timeseries
 golang.org/x/net/proxy
 golang.org/x/net/trace
-# golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
+# golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602
 golang.org/x/oauth2
 golang.org/x/oauth2/internal
 # golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
@@ -341,21 +344,21 @@ google.golang.org/appengine/internal/log
 google.golang.org/appengine/internal/remote_api
 google.golang.org/appengine/internal/urlfetch
 google.golang.org/appengine/urlfetch
-# google.golang.org/genproto v0.0.0-20201110150050-8816d57aaa9a
+# google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c
 google.golang.org/genproto/googleapis/rpc/status
-# google.golang.org/grpc v1.27.1
+# google.golang.org/grpc v1.38.0
 ## explicit
 google.golang.org/grpc
 google.golang.org/grpc/attributes
 google.golang.org/grpc/backoff
 google.golang.org/grpc/balancer
 google.golang.org/grpc/balancer/base
+google.golang.org/grpc/balancer/grpclb/state
 google.golang.org/grpc/balancer/roundrobin
 google.golang.org/grpc/binarylog/grpc_binarylog_v1
 google.golang.org/grpc/codes
 google.golang.org/grpc/connectivity
 google.golang.org/grpc/credentials
-google.golang.org/grpc/credentials/internal
 google.golang.org/grpc/encoding
 google.golang.org/grpc/encoding/proto
 google.golang.org/grpc/grpclog
@@ -365,16 +368,24 @@ google.golang.org/grpc/internal/balancerload
 google.golang.org/grpc/internal/binarylog
 google.golang.org/grpc/internal/buffer
 google.golang.org/grpc/internal/channelz
+google.golang.org/grpc/internal/credentials
 google.golang.org/grpc/internal/envconfig
+google.golang.org/grpc/internal/grpclog
 google.golang.org/grpc/internal/grpcrand
 google.golang.org/grpc/internal/grpcsync
+google.golang.org/grpc/internal/grpcutil
+google.golang.org/grpc/internal/metadata
+google.golang.org/grpc/internal/resolver
 google.golang.org/grpc/internal/resolver/dns
 google.golang.org/grpc/internal/resolver/passthrough
+google.golang.org/grpc/internal/resolver/unix
+google.golang.org/grpc/internal/serviceconfig
+google.golang.org/grpc/internal/status
 google.golang.org/grpc/internal/syscall
 google.golang.org/grpc/internal/transport
+google.golang.org/grpc/internal/transport/networktype
 google.golang.org/grpc/keepalive
 google.golang.org/grpc/metadata
-google.golang.org/grpc/naming
 google.golang.org/grpc/peer
 google.golang.org/grpc/resolver
 google.golang.org/grpc/serviceconfig
@@ -419,7 +430,7 @@ google.golang.org/protobuf/types/known/timestamppb
 gopkg.in/fsnotify.v1
 # gopkg.in/inf.v0 v0.9.1
 gopkg.in/inf.v0
-# gopkg.in/ini.v1 v1.51.0
+# gopkg.in/ini.v1 v1.62.0
 gopkg.in/ini.v1
 # gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7
 gopkg.in/tomb.v1