61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
/*
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Copyright 2023 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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)
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const taintEvictionControllerSubsystem = "taint_eviction_controller"
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var (
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// PodDeletionsTotal counts the number of Pods deleted by TaintEvictionController since its start.
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PodDeletionsTotal = metrics.NewCounter(
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&metrics.CounterOpts{
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Subsystem: taintEvictionControllerSubsystem,
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Name: "pod_deletions_total",
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Help: "Total number of Pods deleted by TaintEvictionController since its start.",
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StabilityLevel: metrics.ALPHA,
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},
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)
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// PodDeletionsLatency tracks the latency, in seconds, between the time when a taint effect has been activated
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// for the Pod and its deletion.
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PodDeletionsLatency = metrics.NewHistogram(
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&metrics.HistogramOpts{
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Subsystem: taintEvictionControllerSubsystem,
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Name: "pod_deletion_duration_seconds",
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Help: "Latency, in seconds, between the time when a taint effect has been activated for the Pod and its deletion via TaintEvictionController.",
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Buckets: []float64{0.005, 0.025, 0.1, 0.5, 1, 2.5, 10, 30, 60, 120, 180, 240}, // 5ms to 4m
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StabilityLevel: metrics.ALPHA,
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},
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)
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)
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var registerMetrics sync.Once
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// Register registers TaintEvictionController metrics.
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func Register() {
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registerMetrics.Do(func() {
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legacyregistry.MustRegister(PodDeletionsTotal)
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legacyregistry.MustRegister(PodDeletionsLatency)
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})
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}
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