From 2c694b32331604b52cfc062ba34568fcf2244beb Mon Sep 17 00:00:00 2001 From: Sebastiaan van Stijn Date: Tue, 17 Nov 2020 11:57:17 +0100 Subject: [PATCH] vendor: github.com/opentracing/opentracing-go v1.2.0 Signed-off-by: Sebastiaan van Stijn --- vendor.conf | 2 +- .../opentracing/opentracing-go/LICENSE | 214 ++++++++++++++++-- .../opentracing/opentracing-go/README.md | 16 +- .../opentracing/opentracing-go/ext.go | 24 ++ .../opentracing/opentracing-go/ext/field.go | 17 ++ .../opentracing/opentracing-go/ext/tags.go | 67 +++--- .../opentracing-go/globaltracer.go | 18 +- .../opentracing/opentracing-go/go.mod | 5 + .../opentracing/opentracing-go/gocontext.go | 26 ++- .../opentracing/opentracing-go/log/field.go | 17 +- .../opentracing/opentracing-go/log/util.go | 9 +- .../opentracing/opentracing-go/noop.go | 8 +- .../opentracing/opentracing-go/propagation.go | 2 +- .../opentracing/opentracing-go/span.go | 4 + .../opentracing/opentracing-go/tracer.go | 3 +- 15 files changed, 356 insertions(+), 76 deletions(-) create mode 100644 vendor/github.com/opentracing/opentracing-go/ext.go create mode 100644 vendor/github.com/opentracing/opentracing-go/ext/field.go create mode 100644 vendor/github.com/opentracing/opentracing-go/go.mod diff --git a/vendor.conf b/vendor.conf index fdf8591ae9..d2946d7bef 100755 --- a/vendor.conf +++ b/vendor.conf @@ -55,7 +55,7 @@ github.com/morikuni/aec 39771216ff4c63d11f5e604076f9 github.com/opencontainers/go-digest ea51bea511f75cfa3ef6098cc253c5c3609b037a # v1.0.0 github.com/opencontainers/image-spec d60099175f88c47cd379c4738d158884749ed235 # v1.0.1 github.com/opencontainers/runc ff819c7e9184c13b7c2607fe6c30ae19403a7aff # v1.0.0-rc92 -github.com/opentracing/opentracing-go 1361b9cd60be79c4c3a7fa9841b3c132e40066a7 +github.com/opentracing/opentracing-go d34af3eaa63c4d08ab54863a4bdd0daa45212e12 # v1.2.0 github.com/pkg/errors 614d223910a179a466c1767a985424175c39b465 # v0.9.1 github.com/prometheus/client_golang 6edbbd9e560190e318cdc5b4d3e630b442858380 # v1.6.0 github.com/prometheus/client_model 7bc5445566f0fe75b15de23e6b93886e982d7bf9 # v0.2.0 diff --git a/vendor/github.com/opentracing/opentracing-go/LICENSE b/vendor/github.com/opentracing/opentracing-go/LICENSE index 148509a403..f0027349e8 100644 --- a/vendor/github.com/opentracing/opentracing-go/LICENSE +++ b/vendor/github.com/opentracing/opentracing-go/LICENSE @@ -1,21 +1,201 @@ -The MIT License (MIT) + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ -Copyright (c) 2016 The OpenTracing Authors + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: + 1. Definitions. -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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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 2016 The OpenTracing 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. diff --git a/vendor/github.com/opentracing/opentracing-go/README.md b/vendor/github.com/opentracing/opentracing-go/README.md index 19a541c2c5..6ef1d7c9d2 100644 --- a/vendor/github.com/opentracing/opentracing-go/README.md +++ b/vendor/github.com/opentracing/opentracing-go/README.md @@ -8,8 +8,8 @@ This package is a Go platform API for OpenTracing. ## Required Reading In order to understand the Go platform API, one must first be familiar with the -[OpenTracing project](http://opentracing.io) and -[terminology](http://opentracing.io/documentation/pages/spec.html) more specifically. +[OpenTracing project](https://opentracing.io) and +[terminology](https://opentracing.io/specification/) more specifically. ## API overview for those adding instrumentation @@ -27,7 +27,7 @@ The simplest starting point is `./default_tracer.go`. As early as possible, call import ".../some_tracing_impl" func main() { - opentracing.InitGlobalTracer( + opentracing.SetGlobalTracer( // tracing impl specific: some_tracing_impl.New(...), ) @@ -35,7 +35,7 @@ The simplest starting point is `./default_tracer.go`. As early as possible, call } ``` -##### Non-Singleton initialization +#### Non-Singleton initialization If you prefer direct control to singletons, manage ownership of the `opentracing.Tracer` implementation explicitly. @@ -161,3 +161,11 @@ Tracing system implementors may be able to reuse or copy-paste-modify the `basic ## API compatibility For the time being, "mild" backwards-incompatible changes may be made without changing the major version number. As OpenTracing and `opentracing-go` mature, backwards compatibility will become more of a priority. + +## Tracer test suite + +A test suite is available in the [harness](https://godoc.org/github.com/opentracing/opentracing-go/harness) package that can assist Tracer implementors to assert that their Tracer is working correctly. + +## Licensing + +[Apache 2.0 License](./LICENSE). diff --git a/vendor/github.com/opentracing/opentracing-go/ext.go b/vendor/github.com/opentracing/opentracing-go/ext.go new file mode 100644 index 0000000000..e11977ebe8 --- /dev/null +++ b/vendor/github.com/opentracing/opentracing-go/ext.go @@ -0,0 +1,24 @@ +package opentracing + +import ( + "context" +) + +// TracerContextWithSpanExtension is an extension interface that the +// implementation of the Tracer interface may want to implement. It +// allows to have some control over the go context when the +// ContextWithSpan is invoked. +// +// The primary purpose of this extension are adapters from opentracing +// API to some other tracing API. +type TracerContextWithSpanExtension interface { + // ContextWithSpanHook gets called by the ContextWithSpan + // function, when the Tracer implementation also implements + // this interface. It allows to put extra information into the + // context and make it available to the callers of the + // ContextWithSpan. + // + // This hook is invoked before the ContextWithSpan function + // actually puts the span into the context. + ContextWithSpanHook(ctx context.Context, span Span) context.Context +} diff --git a/vendor/github.com/opentracing/opentracing-go/ext/field.go b/vendor/github.com/opentracing/opentracing-go/ext/field.go new file mode 100644 index 0000000000..8282bd7584 --- /dev/null +++ b/vendor/github.com/opentracing/opentracing-go/ext/field.go @@ -0,0 +1,17 @@ +package ext + +import ( + "github.com/opentracing/opentracing-go" + "github.com/opentracing/opentracing-go/log" +) + +// LogError sets the error=true tag on the Span and logs err as an "error" event. +func LogError(span opentracing.Span, err error, fields ...log.Field) { + Error.Set(span, true) + ef := []log.Field{ + log.Event("error"), + log.Error(err), + } + ef = append(ef, fields...) + span.LogFields(ef...) +} diff --git a/vendor/github.com/opentracing/opentracing-go/ext/tags.go b/vendor/github.com/opentracing/opentracing-go/ext/tags.go index 8800129a23..a414b5951f 100644 --- a/vendor/github.com/opentracing/opentracing-go/ext/tags.go +++ b/vendor/github.com/opentracing/opentracing-go/ext/tags.go @@ -1,6 +1,6 @@ package ext -import opentracing "github.com/opentracing/opentracing-go" +import "github.com/opentracing/opentracing-go" // These constants define common tag names recommended for better portability across // tracing systems and languages/platforms. @@ -47,40 +47,40 @@ var ( // Component is a low-cardinality identifier of the module, library, // or package that is generating a span. - Component = stringTagName("component") + Component = StringTagName("component") ////////////////////////////////////////////////////////////////////// // Sampling hint ////////////////////////////////////////////////////////////////////// // SamplingPriority determines the priority of sampling this Span. - SamplingPriority = uint16TagName("sampling.priority") + SamplingPriority = Uint16TagName("sampling.priority") ////////////////////////////////////////////////////////////////////// - // Peer tags. These tags can be emitted by either client-side of + // Peer tags. These tags can be emitted by either client-side or // server-side to describe the other side/service in a peer-to-peer // communications, like an RPC call. ////////////////////////////////////////////////////////////////////// // PeerService records the service name of the peer. - PeerService = stringTagName("peer.service") + PeerService = StringTagName("peer.service") // PeerAddress records the address name of the peer. This may be a "ip:port", // a bare "hostname", a FQDN or even a database DSN substring // like "mysql://username@127.0.0.1:3306/dbname" - PeerAddress = stringTagName("peer.address") + PeerAddress = StringTagName("peer.address") // PeerHostname records the host name of the peer - PeerHostname = stringTagName("peer.hostname") + PeerHostname = StringTagName("peer.hostname") // PeerHostIPv4 records IP v4 host address of the peer - PeerHostIPv4 = ipv4Tag("peer.ipv4") + PeerHostIPv4 = IPv4TagName("peer.ipv4") // PeerHostIPv6 records IP v6 host address of the peer - PeerHostIPv6 = stringTagName("peer.ipv6") + PeerHostIPv6 = StringTagName("peer.ipv6") // PeerPort records port number of the peer - PeerPort = uint16TagName("peer.port") + PeerPort = Uint16TagName("peer.port") ////////////////////////////////////////////////////////////////////// // HTTP Tags @@ -88,46 +88,46 @@ var ( // HTTPUrl should be the URL of the request being handled in this segment // of the trace, in standard URI format. The protocol is optional. - HTTPUrl = stringTagName("http.url") + HTTPUrl = StringTagName("http.url") // HTTPMethod is the HTTP method of the request, and is case-insensitive. - HTTPMethod = stringTagName("http.method") + HTTPMethod = StringTagName("http.method") // HTTPStatusCode is the numeric HTTP status code (200, 404, etc) of the // HTTP response. - HTTPStatusCode = uint16TagName("http.status_code") + HTTPStatusCode = Uint16TagName("http.status_code") ////////////////////////////////////////////////////////////////////// // DB Tags ////////////////////////////////////////////////////////////////////// // DBInstance is database instance name. - DBInstance = stringTagName("db.instance") + DBInstance = StringTagName("db.instance") // DBStatement is a database statement for the given database type. // It can be a query or a prepared statement (i.e., before substitution). - DBStatement = stringTagName("db.statement") + DBStatement = StringTagName("db.statement") // DBType is a database type. For any SQL database, "sql". // For others, the lower-case database category, e.g. "redis" - DBType = stringTagName("db.type") + DBType = StringTagName("db.type") // DBUser is a username for accessing database. - DBUser = stringTagName("db.user") + DBUser = StringTagName("db.user") ////////////////////////////////////////////////////////////////////// // Message Bus Tag ////////////////////////////////////////////////////////////////////// // MessageBusDestination is an address at which messages can be exchanged - MessageBusDestination = stringTagName("message_bus.destination") + MessageBusDestination = StringTagName("message_bus.destination") ////////////////////////////////////////////////////////////////////// // Error Tag ////////////////////////////////////////////////////////////////////// // Error indicates that operation represented by the span resulted in an error. - Error = boolTagName("error") + Error = BoolTagName("error") ) // --- @@ -163,48 +163,53 @@ func RPCServerOption(client opentracing.SpanContext) opentracing.StartSpanOption // --- -type stringTagName string +// StringTagName is a common tag name to be set to a string value +type StringTagName string // Set adds a string tag to the `span` -func (tag stringTagName) Set(span opentracing.Span, value string) { +func (tag StringTagName) Set(span opentracing.Span, value string) { span.SetTag(string(tag), value) } // --- -type uint32TagName string +// Uint32TagName is a common tag name to be set to a uint32 value +type Uint32TagName string // Set adds a uint32 tag to the `span` -func (tag uint32TagName) Set(span opentracing.Span, value uint32) { +func (tag Uint32TagName) Set(span opentracing.Span, value uint32) { span.SetTag(string(tag), value) } // --- -type uint16TagName string +// Uint16TagName is a common tag name to be set to a uint16 value +type Uint16TagName string // Set adds a uint16 tag to the `span` -func (tag uint16TagName) Set(span opentracing.Span, value uint16) { +func (tag Uint16TagName) Set(span opentracing.Span, value uint16) { span.SetTag(string(tag), value) } // --- -type boolTagName string +// BoolTagName is a common tag name to be set to a bool value +type BoolTagName string -// Add adds a bool tag to the `span` -func (tag boolTagName) Set(span opentracing.Span, value bool) { +// Set adds a bool tag to the `span` +func (tag BoolTagName) Set(span opentracing.Span, value bool) { span.SetTag(string(tag), value) } -type ipv4Tag string +// IPv4TagName is a common tag name to be set to an ipv4 value +type IPv4TagName string // Set adds IP v4 host address of the peer as an uint32 value to the `span`, keep this for backward and zipkin compatibility -func (tag ipv4Tag) Set(span opentracing.Span, value uint32) { +func (tag IPv4TagName) Set(span opentracing.Span, value uint32) { span.SetTag(string(tag), value) } // SetString records IP v4 host address of the peer as a .-separated tuple to the `span`. E.g., "127.0.0.1" -func (tag ipv4Tag) SetString(span opentracing.Span, value string) { +func (tag IPv4TagName) SetString(span opentracing.Span, value string) { span.SetTag(string(tag), value) } diff --git a/vendor/github.com/opentracing/opentracing-go/globaltracer.go b/vendor/github.com/opentracing/opentracing-go/globaltracer.go index 8c8e793ff2..4f7066a925 100644 --- a/vendor/github.com/opentracing/opentracing-go/globaltracer.go +++ b/vendor/github.com/opentracing/opentracing-go/globaltracer.go @@ -1,7 +1,12 @@ package opentracing +type registeredTracer struct { + tracer Tracer + isRegistered bool +} + var ( - globalTracer Tracer = NoopTracer{} + globalTracer = registeredTracer{NoopTracer{}, false} ) // SetGlobalTracer sets the [singleton] opentracing.Tracer returned by @@ -11,22 +16,27 @@ var ( // Prior to calling `SetGlobalTracer`, any Spans started via the `StartSpan` // (etc) globals are noops. func SetGlobalTracer(tracer Tracer) { - globalTracer = tracer + globalTracer = registeredTracer{tracer, true} } // GlobalTracer returns the global singleton `Tracer` implementation. // Before `SetGlobalTracer()` is called, the `GlobalTracer()` is a noop // implementation that drops all data handed to it. func GlobalTracer() Tracer { - return globalTracer + return globalTracer.tracer } // StartSpan defers to `Tracer.StartSpan`. See `GlobalTracer()`. func StartSpan(operationName string, opts ...StartSpanOption) Span { - return globalTracer.StartSpan(operationName, opts...) + return globalTracer.tracer.StartSpan(operationName, opts...) } // InitGlobalTracer is deprecated. Please use SetGlobalTracer. func InitGlobalTracer(tracer Tracer) { SetGlobalTracer(tracer) } + +// IsGlobalTracerRegistered returns a `bool` to indicate if a tracer has been globally registered +func IsGlobalTracerRegistered() bool { + return globalTracer.isRegistered +} diff --git a/vendor/github.com/opentracing/opentracing-go/go.mod b/vendor/github.com/opentracing/opentracing-go/go.mod new file mode 100644 index 0000000000..bf48bb5d73 --- /dev/null +++ b/vendor/github.com/opentracing/opentracing-go/go.mod @@ -0,0 +1,5 @@ +module github.com/opentracing/opentracing-go + +go 1.14 + +require github.com/stretchr/testify v1.3.0 diff --git a/vendor/github.com/opentracing/opentracing-go/gocontext.go b/vendor/github.com/opentracing/opentracing-go/gocontext.go index 222a65202f..1831bc9b26 100644 --- a/vendor/github.com/opentracing/opentracing-go/gocontext.go +++ b/vendor/github.com/opentracing/opentracing-go/gocontext.go @@ -1,14 +1,19 @@ package opentracing -import "golang.org/x/net/context" +import "context" type contextKey struct{} var activeSpanKey = contextKey{} // ContextWithSpan returns a new `context.Context` that holds a reference to -// `span`'s SpanContext. +// the span. If span is nil, a new context without an active span is returned. func ContextWithSpan(ctx context.Context, span Span) context.Context { + if span != nil { + if tracerWithHook, ok := span.Tracer().(TracerContextWithSpanExtension); ok { + ctx = tracerWithHook.ContextWithSpanHook(ctx, span) + } + } return context.WithValue(ctx, activeSpanKey, span) } @@ -41,17 +46,20 @@ func SpanFromContext(ctx context.Context) Span { // ... // } func StartSpanFromContext(ctx context.Context, operationName string, opts ...StartSpanOption) (Span, context.Context) { - return startSpanFromContextWithTracer(ctx, GlobalTracer(), operationName, opts...) + return StartSpanFromContextWithTracer(ctx, GlobalTracer(), operationName, opts...) } -// startSpanFromContextWithTracer is factored out for testing purposes. -func startSpanFromContextWithTracer(ctx context.Context, tracer Tracer, operationName string, opts ...StartSpanOption) (Span, context.Context) { - var span Span +// StartSpanFromContextWithTracer starts and returns a span with `operationName` +// using a span found within the context as a ChildOfRef. If that doesn't exist +// it creates a root span. It also returns a context.Context object built +// around the returned span. +// +// It's behavior is identical to StartSpanFromContext except that it takes an explicit +// tracer as opposed to using the global tracer. +func StartSpanFromContextWithTracer(ctx context.Context, tracer Tracer, operationName string, opts ...StartSpanOption) (Span, context.Context) { if parentSpan := SpanFromContext(ctx); parentSpan != nil { opts = append(opts, ChildOf(parentSpan.Context())) - span = tracer.StartSpan(operationName, opts...) - } else { - span = tracer.StartSpan(operationName, opts...) } + span := tracer.StartSpan(operationName, opts...) return span, ContextWithSpan(ctx, span) } diff --git a/vendor/github.com/opentracing/opentracing-go/log/field.go b/vendor/github.com/opentracing/opentracing-go/log/field.go index 50feea341a..f222ded797 100644 --- a/vendor/github.com/opentracing/opentracing-go/log/field.go +++ b/vendor/github.com/opentracing/opentracing-go/log/field.go @@ -122,16 +122,19 @@ func Float64(key string, val float64) Field { } } -// Error adds an error with the key "error" to a Span.LogFields() record +// Error adds an error with the key "error.object" to a Span.LogFields() record func Error(err error) Field { return Field{ - key: "error", + key: "error.object", fieldType: errorType, interfaceVal: err, } } // Object adds an object-valued key:value pair to a Span.LogFields() record +// Please pass in an immutable object, otherwise there may be concurrency issues. +// Such as passing in the map, log.Object may result in "fatal error: concurrent map iteration and map write". +// Because span is sent asynchronously, it is possible that this map will also be modified. func Object(key string, obj interface{}) Field { return Field{ key: key, @@ -140,6 +143,16 @@ func Object(key string, obj interface{}) Field { } } +// Event creates a string-valued Field for span logs with key="event" and value=val. +func Event(val string) Field { + return String("event", val) +} + +// Message creates a string-valued Field for span logs with key="message" and value=val. +func Message(val string) Field { + return String("message", val) +} + // LazyLogger allows for user-defined, late-bound logging of arbitrary data type LazyLogger func(fv Encoder) diff --git a/vendor/github.com/opentracing/opentracing-go/log/util.go b/vendor/github.com/opentracing/opentracing-go/log/util.go index 3832feb5ce..d57e28aa57 100644 --- a/vendor/github.com/opentracing/opentracing-go/log/util.go +++ b/vendor/github.com/opentracing/opentracing-go/log/util.go @@ -1,6 +1,9 @@ package log -import "fmt" +import ( + "fmt" + "reflect" +) // InterleavedKVToFields converts keyValues a la Span.LogKV() to a Field slice // a la Span.LogFields(). @@ -46,6 +49,10 @@ func InterleavedKVToFields(keyValues ...interface{}) ([]Field, error) { case float64: fields[i] = Float64(key, typedVal) default: + if typedVal == nil || (reflect.ValueOf(typedVal).Kind() == reflect.Ptr && reflect.ValueOf(typedVal).IsNil()) { + fields[i] = String(key, "nil") + continue + } // When in doubt, coerce to a string fields[i] = String(key, fmt.Sprint(typedVal)) } diff --git a/vendor/github.com/opentracing/opentracing-go/noop.go b/vendor/github.com/opentracing/opentracing-go/noop.go index 0d32f692c4..f9b680a213 100644 --- a/vendor/github.com/opentracing/opentracing-go/noop.go +++ b/vendor/github.com/opentracing/opentracing-go/noop.go @@ -21,9 +21,9 @@ type noopSpan struct{} type noopSpanContext struct{} var ( - defaultNoopSpanContext = noopSpanContext{} - defaultNoopSpan = noopSpan{} - defaultNoopTracer = NoopTracer{} + defaultNoopSpanContext SpanContext = noopSpanContext{} + defaultNoopSpan Span = noopSpan{} + defaultNoopTracer Tracer = NoopTracer{} ) const ( @@ -35,7 +35,7 @@ func (n noopSpanContext) ForeachBaggageItem(handler func(k, v string) bool) {} // noopSpan: func (n noopSpan) Context() SpanContext { return defaultNoopSpanContext } -func (n noopSpan) SetBaggageItem(key, val string) Span { return defaultNoopSpan } +func (n noopSpan) SetBaggageItem(key, val string) Span { return n } func (n noopSpan) BaggageItem(key string) string { return emptyString } func (n noopSpan) SetTag(key string, value interface{}) Span { return n } func (n noopSpan) LogFields(fields ...log.Field) {} diff --git a/vendor/github.com/opentracing/opentracing-go/propagation.go b/vendor/github.com/opentracing/opentracing-go/propagation.go index 0dd466a373..b0c275eb05 100644 --- a/vendor/github.com/opentracing/opentracing-go/propagation.go +++ b/vendor/github.com/opentracing/opentracing-go/propagation.go @@ -160,7 +160,7 @@ type HTTPHeadersCarrier http.Header // Set conforms to the TextMapWriter interface. func (c HTTPHeadersCarrier) Set(key, val string) { h := http.Header(c) - h.Add(key, val) + h.Set(key, val) } // ForeachKey conforms to the TextMapReader interface. diff --git a/vendor/github.com/opentracing/opentracing-go/span.go b/vendor/github.com/opentracing/opentracing-go/span.go index f6c3234acc..0d3fb53418 100644 --- a/vendor/github.com/opentracing/opentracing-go/span.go +++ b/vendor/github.com/opentracing/opentracing-go/span.go @@ -41,6 +41,8 @@ type Span interface { Context() SpanContext // Sets or changes the operation name. + // + // Returns a reference to this Span for chaining. SetOperationName(operationName string) Span // Adds a tag to the span. @@ -51,6 +53,8 @@ type Span interface { // other tag value types is undefined at the OpenTracing level. If a // tracing system does not know how to handle a particular value type, it // may ignore the tag, but shall not panic. + // + // Returns a reference to this Span for chaining. SetTag(key string, value interface{}) Span // LogFields is an efficient and type-checked way to record key:value diff --git a/vendor/github.com/opentracing/opentracing-go/tracer.go b/vendor/github.com/opentracing/opentracing-go/tracer.go index 7bca1f7367..715f0cedfb 100644 --- a/vendor/github.com/opentracing/opentracing-go/tracer.go +++ b/vendor/github.com/opentracing/opentracing-go/tracer.go @@ -44,8 +44,7 @@ type Tracer interface { // and each has an expected carrier type. // // Other packages may declare their own `format` values, much like the keys - // used by `context.Context` (see - // https://godoc.org/golang.org/x/net/context#WithValue). + // used by `context.Context` (see https://godoc.org/context#WithValue). // // Example usage (sans error handling): //