mirror of
https://github.com/kubernetes-sigs/descheduler.git
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bb5930eb21
* feat: profile name for pods_evicted metric Support new label "profile" for "pods_evicted" metric to allow understand which profiles are evicting more pods, allowing better observability * refactor: evictoptions improved observability Send profile and strategy names for EvictOptions, allowing Evictors to access observability information * cleanup: remove unnecessary evictoption reference * feat: evictoptions for nodeutilzation Explicit usage of options when invoking evictPods from the helper function from nodeutilization for both highnodeutilization and lownodeutilization
93 lines
3.1 KiB
Go
93 lines
3.1 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"sync"
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"k8s.io/component-base/metrics"
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"k8s.io/component-base/metrics/legacyregistry"
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"sigs.k8s.io/descheduler/pkg/version"
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)
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const (
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// DeschedulerSubsystem - subsystem name used by descheduler
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DeschedulerSubsystem = "descheduler"
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)
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var (
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PodsEvicted = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Subsystem: DeschedulerSubsystem,
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Name: "pods_evicted",
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Help: "Number of evicted pods, by the result, by the strategy, by the namespace, by the node name. 'error' result means a pod could not be evicted",
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StabilityLevel: metrics.ALPHA,
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}, []string{"result", "strategy", "profile", "namespace", "node"})
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buildInfo = metrics.NewGauge(
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&metrics.GaugeOpts{
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Subsystem: DeschedulerSubsystem,
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Name: "build_info",
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Help: "Build info about descheduler, including Go version, Descheduler version, Git SHA, Git branch",
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ConstLabels: map[string]string{"GoVersion": version.Get().GoVersion, "AppVersion": version.Get().Major + "." + version.Get().Minor, "DeschedulerVersion": version.Get().GitVersion, "GitBranch": version.Get().GitBranch, "GitSha1": version.Get().GitSha1},
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StabilityLevel: metrics.ALPHA,
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},
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)
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DeschedulerLoopDuration = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Subsystem: DeschedulerSubsystem,
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Name: "descheduler_loop_duration_seconds",
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Help: "Time taken to complete a full descheduling cycle",
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StabilityLevel: metrics.ALPHA,
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Buckets: []float64{0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100, 250, 500},
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}, []string{})
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DeschedulerStrategyDuration = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Subsystem: DeschedulerSubsystem,
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Name: "descheduler_strategy_duration_seconds",
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Help: "Time taken to complete Each strategy of the descheduling operation",
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StabilityLevel: metrics.ALPHA,
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Buckets: []float64{0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, 50, 100},
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}, []string{"strategy", "profile"})
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metricsList = []metrics.Registerable{
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PodsEvicted,
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buildInfo,
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DeschedulerLoopDuration,
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DeschedulerStrategyDuration,
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}
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)
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var registerMetrics sync.Once
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// Register all metrics.
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func Register() {
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// Register the metrics.
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registerMetrics.Do(func() {
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RegisterMetrics(metricsList...)
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})
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}
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// RegisterMetrics registers a list of metrics.
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func RegisterMetrics(extraMetrics ...metrics.Registerable) {
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for _, metric := range extraMetrics {
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legacyregistry.MustRegister(metric)
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}
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}
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