mirror of
https://github.com/k3s-io/kubernetes.git
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107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
/*
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Copyright 2016 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 prometheus
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import (
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"k8s.io/client-go/util/workqueue"
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"github.com/prometheus/client_golang/prometheus"
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)
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// Package prometheus sets the workqueue DefaultMetricsFactory to produce
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// prometheus metrics. To use this package, you just have to import it.
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func init() {
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workqueue.SetProvider(prometheusMetricsProvider{})
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}
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type prometheusMetricsProvider struct{}
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func (prometheusMetricsProvider) NewDepthMetric(name string) workqueue.GaugeMetric {
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depth := prometheus.NewGauge(prometheus.GaugeOpts{
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Subsystem: name,
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Name: "depth",
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Help: "Current depth of workqueue: " + name,
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})
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prometheus.Register(depth)
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return depth
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}
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func (prometheusMetricsProvider) NewAddsMetric(name string) workqueue.CounterMetric {
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adds := prometheus.NewCounter(prometheus.CounterOpts{
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Subsystem: name,
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Name: "adds",
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Help: "Total number of adds handled by workqueue: " + name,
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})
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prometheus.Register(adds)
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return adds
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}
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func (prometheusMetricsProvider) NewLatencyMetric(name string) workqueue.SummaryMetric {
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latency := prometheus.NewSummary(prometheus.SummaryOpts{
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Subsystem: name,
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Name: "queue_latency",
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Help: "How long an item stays in workqueue" + name + " before being requested.",
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})
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prometheus.Register(latency)
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return latency
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}
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func (prometheusMetricsProvider) NewWorkDurationMetric(name string) workqueue.SummaryMetric {
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workDuration := prometheus.NewSummary(prometheus.SummaryOpts{
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Subsystem: name,
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Name: "work_duration",
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Help: "How long processing an item from workqueue" + name + " takes.",
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})
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prometheus.Register(workDuration)
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return workDuration
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}
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func (prometheusMetricsProvider) NewUnfinishedWorkSecondsMetric(name string) workqueue.SettableGaugeMetric {
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unfinished := prometheus.NewGauge(prometheus.GaugeOpts{
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Subsystem: name,
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Name: "unfinished_work_seconds",
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Help: "How many seconds of work " + name + " has done that " +
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"is in progress and hasn't been observed by work_duration. Large " +
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"values indicate stuck threads. One can deduce the number of stuck " +
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"threads by observing the rate at which this increases.",
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})
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prometheus.Register(unfinished)
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return unfinished
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}
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func (prometheusMetricsProvider) NewLongestRunningProcessorMicrosecondsMetric(name string) workqueue.SettableGaugeMetric {
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unfinished := prometheus.NewGauge(prometheus.GaugeOpts{
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Subsystem: name,
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Name: "longest_running_processor_microseconds",
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Help: "How many microseconds has the longest running " +
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"processor for " + name + " been running.",
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})
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prometheus.Register(unfinished)
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return unfinished
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}
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func (prometheusMetricsProvider) NewRetriesMetric(name string) workqueue.CounterMetric {
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retries := prometheus.NewCounter(prometheus.CounterOpts{
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Subsystem: name,
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Name: "retries",
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Help: "Total number of retries handled by workqueue: " + name,
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})
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prometheus.Register(retries)
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return retries
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}
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