Merge pull request #55 from Azure/dev/dpoole/tweak-resource-governance

Dev/dpoole/tweak resource governance
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@ -7208,6 +7208,125 @@ http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND
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github.com%2Fcontainerd/containerd v1.7.12 - Apache-2.0
Copyright 2018 CNI authors
Copyright 2021 ADA Logics Ltd
Copyright 2022 ADA Logics Ltd
Copyright 2012-2015 Docker, Inc.
Copyright 2012-2017 Docker, Inc.
Copyright (c) 2009 The Go Authors
Copyright (c) Docker/Moby authors
Copyright (c) 2013, The GoGo Authors
Copyright 2015 The Kubernetes Authors
Copyright 2016 The Kubernetes Authors
Copyright 2017 The Kubernetes Authors
Copyright 2018 The Kubernetes Authors
Copyright 2020 The Kubernetes Authors
Apache License
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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.
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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.
@ -34897,6 +35016,40 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
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github.com%2Finfluxdata/telegraf v1.29.2 - MIT
Copyright 2011 The Go Authors
Copyright (c) 2010 The win Authors
Copyright (c) 2016 Mendelson Gusmao
Copyright 2018 The Prometheus Authors
Copyright (c) 2015-2020 InfluxData Inc.
Copyright (c) 2013-2021 Jack Christensen
Copyright (c) The Internet Society (2005)
Copyright (c) 2001 - 2023 Intel Corporation
Copyrights (c) 2016, Juniper Networks, Inc.
Copyrights (c) 2017, Juniper Networks, Inc.
Copyright (c) 2002-16, Bruce Allen, Christian Franke
Copyright (c) 2015 Jeff Nickoloff (jeff@allingeek.com)
Copyright (c) 2016-now PowerDNS.COM B.V. and its contributors
Copyright (c) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
Copyright (c) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org
Copyright (c) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org
MIT License
Copyright (c) <year> <copyright holders>
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:
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github.com%2Finfluxdata/toml v0.0.0-20190415235208-270119a8ce65 - MIT

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@ -1 +1 @@
1.0.02581.74-official-83ffceb7
1.0.02595.76-official-0d3ea044

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@ -180,7 +180,6 @@
[[outputs.file]]
flush_interval = "30s"
## Files to write to, "stdout" is a specially handled file.
# folder = "/Users/mizhe/tmporary"
folder = "${SIGNAL_FOLDER:-stdout}"
## Use batch serialization format instead of line based delimiting. The
@ -192,6 +191,9 @@
## to 0 no time based rotation is performed.
rotation_interval = "10s"
## max number of files that can be present in the folder, if exceeded new files will not be written
rotation_max_file_count = 1000
## The logfile will be rotated when it becomes larger than the specified
## size. When set to 0 no size based rotation is performed.
# rotation_max_size = "0MB"
@ -206,3 +208,36 @@
json_transformation = '''
$merge([{"Timestamp": timestamp, "Message": $string( $merge([{"Name": name}, fields]) )}, tags])
'''
[[outputs.file]]
flush_interval = "30s"
## this output will be enabled if this variable is set otherwise it is a no-op
## it specifies and additional location to write the events to for troubleshooting
folder = "${ADDITIONAL_SIGNAL_FOLDER_FOR_TROUBLESHOOTING:-}"
## Use batch serialization format instead of line based delimiting. The
## batch format allows for the production of non line based output formats and
## may more efficiently encode and write metrics.
use_batch_format = false
## The file will be rotated after the time interval specified. When set
## to 0 no time based rotation is performed.
rotation_interval = "10s"
## max number of files that can be present in the folder, if exceeded new files will not be written
rotation_max_file_count = 1000
## The logfile will be rotated when it becomes larger than the specified
## size. When set to 0 no size based rotation is performed.
# rotation_max_size = "0MB"
## Data format to output.
## Each data format has its own unique set of configuration options, read
## more about them here:
## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
data_format = "json"
json_timestamp_format = "2006-01-02T15:04:05Z07:00"
json_nested_fields_include = ["RuntimeParameters", "Errors", "Stats"]
json_transformation = '''
$merge([{"Timestamp": timestamp, "Message": $string( $merge([{"Name": name}, fields]) )}, tags])
'''

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integration-test/env/Extension/bin/VMWatch/vmwatch_linux_amd64 поставляемый

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Двоичные данные
integration-test/env/Extension/bin/VMWatch/vmwatch_linux_arm64 поставляемый

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@ -12,7 +12,7 @@ subscription=$4
container="${5:-packages}"
# get the latest build of the linux pipeline from devops
latestbuild=$(az pipelines runs list --org $org --project "$projectGuid" --pipeline-ids $pipelineId | jq "[.[].id] | sort | last")
latestbuild=$(az pipelines runs list --org $org --project "$projectGuid" --pipeline-ids $pipelineId | jq '[ .[] | select(.result == "succeeded")]' | jq '[.[].id] | sort | last')
# download the final output artifacts
rm -rf /tmp/linux_artifact
az pipelines runs artifact download --org $org --project "$projectGuid" --run-id $latestbuild --artifact-name drop_2_windows --path /tmp/linux_artifact

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@ -180,6 +180,7 @@ teardown(){
[[ "$output" == *'--config /var/lib/waagent/Extension/bin/VMWatch/vmwatch.conf'* ]]
[[ "$output" == *'--disabled-signals clockskew:az_storage_blob:process:dns'* ]]
[[ "$output" == *"--apphealth-version $extension_version"* ]]
[[ "$output" == *'--memory-limit-bytes 80000000'* ]]
[[ "$output" == *'Env: [SIGNAL_FOLDER=/var/log/azure/Extension/events VERBOSE_LOG_FILE_FULL_PATH=/var/log/azure/Extension/VE.RS.ION/vmwatch.log]'* ]]
[[ "$output" == *'VMWatch is running'* ]]
@ -414,6 +415,30 @@ teardown(){
[[ "$output" == *'operation=uninstall seq=0 path=/var/lib/waagent/apphealth event=uninstalled'* ]]
}
@test "handler command: enable/uninstall - vm passes memory to commandline" {
mk_container $container_name sh -c "nc -l localhost 22 -k & fake-waagent install && export RUNNING_IN_DEV_CONTAINER=1 && export ALLOW_VMWATCH_CGROUP_ASSIGNMENT_FAILURE=1 && fake-waagent enable && wait-for-enable webserverexit && sleep 5 && fake-waagent uninstall"
push_settings '
{
"protocol": "tcp",
"requestPath": "",
"port": 22,
"numberOfProbes": 1,
"intervalInSeconds": 5,
"gracePeriod": 600,
"vmWatchSettings": {
"enabled": true,
"memoryLimitInBytes" : 40000000
}
}' ''
run start_container
echo "$output"
[[ "$output" == *'Setup VMWatch command: /var/lib/waagent/Extension/bin/VMWatch/vmwatch_linux_amd64'* ]]
[[ "$output" == *'VMWatch process started'* ]]
[[ "$output" == *'VMWatch is running'* ]]
[[ "$output" == *'--memory-limit-bytes 40000000'* ]]
}
# bats test_tags=linuxhostonly
@test "handler command: enable - vm watch oom - process should be killed" {
mk_container_priviliged $container_name sh -c "nc -l localhost 22 -k & fake-waagent install && export RUNNING_IN_DEV_CONTAINER=1 && fake-waagent enable && wait-for-enable webserverexit && sleep 300"

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@ -97,6 +97,8 @@ type vmWatchSignalFilters struct {
type vmWatchSettings struct {
Enabled bool `json:"enabled,boolean"`
MemoryLimitInBytes int64 `json:"memoryLimitInBytes,int64"`
MaxCpuPercentage int64 `json:"maxCpuPercentage,int64"`
SignalFilters *vmWatchSignalFilters `json:"signalFilters"`
ParameterOverrides map[string]interface{} `json:"parameterOverrides,object"`
EnvironmentAttributes map[string]interface{} `json:"environmentAttributes,object"`

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@ -59,6 +59,19 @@ const (
"type": "boolean",
"default": false
},
"memoryLimitInBytes": {
"description": "Optional - specifies the max memory that vmwatch can use",
"type": "integer",
"default": 80000000,
"minimum": 30000000
},
"maxCpuPercentage": {
"description": "Optional - specifies the max cpu that the vmwatch process is allowed to consume",
"type": "integer",
"default": 1,
"minimum": 1,
"maximum": 100
},
"signalFilters" : {
"description": "Optional - specify filtering for signals, if not specified, all core signals will be enabled",
"type": "object",

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@ -154,3 +154,22 @@ func TestValidatePublicSettings_gracePeriod(t *testing.T) {
})
}
}
func TestValidatePublicSettings_vmwatch(t *testing.T) {
require.Nil(t, validatePublicSettings(`{"port": 1, "vmWatchSettings" : { "enabled" : false }}`), "valid settings")
require.Nil(t, validatePublicSettings(`{"port": 1, "vmWatchSettings" : { "enabled" : true }}`), "valid settings")
require.Nil(t, validatePublicSettings(`{"port": 1, "vmWatchSettings" : { "enabled" : true, "memoryLimitInBytes" : 30000000 }}`), "valid settings")
err := validatePublicSettings(`{"port": 1, "vmWatchSettings" : { "enabled" : true, "memoryLimitInBytes" : 20000000 }}`)
require.NotNil(t, err)
require.Contains(t, err.Error(), "vmWatchSettings.memoryLimitInBytes: Must be greater than or equal to 30000000")
err = validatePublicSettings(`{"port": 1, "vmWatchSettings" : { "enabled" : true, "maxCpuPercentage" : 0 }}`)
require.NotNil(t, err)
require.Contains(t, err.Error(), "vmWatchSettings.maxCpuPercentage: Must be greater than or equal to 1")
err = validatePublicSettings(`{"port": 1, "vmWatchSettings" : { "enabled" : true, "maxCpuPercentage" : 101 }}`)
require.NotNil(t, err)
require.Contains(t, err.Error(), "vmWatchSettings.maxCpuPercentage: Must be less than or equal to 100")
}

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@ -22,8 +22,8 @@ import (
type VMWatchStatus string
const (
MaxCpuQuota = 1 // 1% cpu
MaxMemoryInBytes = 40000000 // 40MB
DefaultMaxCpuPercentage = 1 // 1% cpu
DefaultMaxMemoryInBytes = 80000000 // 80MB
HoursBetweenRetryAttempts = 3
CGroupV2PeriodMs = 1000000 // 1 second
)
@ -134,7 +134,7 @@ func executeVMWatchHelper(ctx *log.Context, attempt int, vmWatchSettings *vmWatc
pid = cmd.Process.Pid // cmd.Process should be populated on success
ctx.Log("event", fmt.Sprintf("Attempt %d: VMWatch process started with pid %d", attempt, pid))
err = createAndAssignCgroups(ctx, pid)
err = createAndAssignCgroups(ctx, vmWatchSettings, pid)
if err != nil {
err = fmt.Errorf("[%v][PID %d] Failed to assign VMWatch process to cgroup. Error: %w", time.Now().UTC().Format(time.RFC3339), pid, err)
ctx.Log("error", err.Error())
@ -229,6 +229,28 @@ func setupVMWatchCommand(s *vmWatchSettings, hEnv HandlerEnvironment) (*exec.Cmd
args = append(args, "--heartbeat-file", GetVMWatchHeartbeatFilePath(hEnv))
args = append(args, "--execution-environment", GetExecutionEnvironment(hEnv))
// 0 is the default so allow that but any value below 30MB is not allowed
if s.MemoryLimitInBytes == 0 {
s.MemoryLimitInBytes = DefaultMaxMemoryInBytes
}
if s.MemoryLimitInBytes < 30000000 {
err = fmt.Errorf("[%v] Invalid MemoryLimitInBytes specified must be at least 30000000", time.Now().UTC().Format(time.RFC3339))
return nil, err
}
// check cpu, if 0 (default) set to the default value
if (s.MaxCpuPercentage == 0) {
s.MaxCpuPercentage = DefaultMaxCpuPercentage
}
if s.MaxCpuPercentage < 0 || s.MaxCpuPercentage > 100 {
err = fmt.Errorf("[%v] Invalid maxCpuPercentage specified must be between 0 and 100", time.Now().UTC().Format(time.RFC3339))
return nil, err
}
args = append(args, "--memory-limit-bytes", strconv.FormatInt(s.MemoryLimitInBytes, 10))
if s.SignalFilters != nil {
if s.SignalFilters.DisabledSignals != nil && len(s.SignalFilters.DisabledSignals) > 0 {
args = append(args, "--disabled-signals")
@ -285,10 +307,10 @@ func setupVMWatchCommand(s *vmWatchSettings, hEnv HandlerEnvironment) (*exec.Cmd
return cmd, nil
}
func createAndAssignCgroups(ctx *log.Context, vmWatchPid int) error {
func createAndAssignCgroups(ctx *log.Context, vmwatchSettings *vmWatchSettings, vmWatchPid int) error {
// get our process and use this to determine the appropriate mount points for the cgroups
myPid := os.Getpid()
memoryLimitInBytes := int64(MaxMemoryInBytes)
memoryLimitInBytes := int64(vmwatchSettings.MemoryLimitInBytes)
// check cgroups mode
if cgroups.Mode() == cgroups.Unified {
@ -297,7 +319,7 @@ func createAndAssignCgroups(ctx *log.Context, vmWatchPid int) error {
// Quota is the number of microseconds in the period that process can run
// Period is the length of the period in microseconds
period := uint64(CGroupV2PeriodMs)
cpuQuota := int64(MaxCpuQuota * 10000)
cpuQuota := int64(vmwatchSettings.MaxCpuPercentage * 10000)
resources := cgroup2.Resources{
CPU: &cgroup2.CPU{
Max: cgroup2.NewCPUMax(&cpuQuota, &period),
@ -327,8 +349,8 @@ func createAndAssignCgroups(ctx *log.Context, vmWatchPid int) error {
}
// in cgroup v1, the interval is implied, 1000 == 1 %
cpuQuota := int64(MaxCpuQuota * 1000)
memoryLimitInBytes := int64(MaxMemoryInBytes)
cpuQuota := int64(vmwatchSettings.MaxCpuPercentage * 1000)
memoryLimitInBytes := int64(vmwatchSettings.MemoryLimitInBytes)
s := specs.LinuxResources{
CPU: &specs.LinuxCPU{