79 lines
3.0 KiB
Go
79 lines
3.0 KiB
Go
/*
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Copyright 2018 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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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/collectors"
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"sigs.k8s.io/controller-runtime/pkg/metrics"
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)
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var (
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// ReconcileTotal is a prometheus counter metrics which holds the total
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// number of reconciliations per controller. It has two labels. controller label refers
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// to the controller name and result label refers to the reconcile result i.e
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// success, error, requeue, requeue_after.
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ReconcileTotal = prometheus.NewCounterVec(prometheus.CounterOpts{
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Name: "controller_runtime_reconcile_total",
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Help: "Total number of reconciliations per controller",
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}, []string{"controller", "result"})
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// ReconcileErrors is a prometheus counter metrics which holds the total
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// number of errors from the Reconciler.
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ReconcileErrors = prometheus.NewCounterVec(prometheus.CounterOpts{
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Name: "controller_runtime_reconcile_errors_total",
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Help: "Total number of reconciliation errors per controller",
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}, []string{"controller"})
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// ReconcileTime is a prometheus metric which keeps track of the duration
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// of reconciliations.
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ReconcileTime = prometheus.NewHistogramVec(prometheus.HistogramOpts{
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Name: "controller_runtime_reconcile_time_seconds",
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Help: "Length of time per reconciliation per controller",
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Buckets: []float64{0.005, 0.01, 0.025, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0,
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1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60},
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}, []string{"controller"})
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// WorkerCount is a prometheus metric which holds the number of
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// concurrent reconciles per controller.
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WorkerCount = prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Name: "controller_runtime_max_concurrent_reconciles",
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Help: "Maximum number of concurrent reconciles per controller",
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}, []string{"controller"})
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// ActiveWorkers is a prometheus metric which holds the number
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// of active workers per controller.
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ActiveWorkers = prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Name: "controller_runtime_active_workers",
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Help: "Number of currently used workers per controller",
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}, []string{"controller"})
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)
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func init() {
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metrics.Registry.MustRegister(
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ReconcileTotal,
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ReconcileErrors,
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ReconcileTime,
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WorkerCount,
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ActiveWorkers,
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// expose process metrics like CPU, Memory, file descriptor usage etc.
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collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}),
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// expose Go runtime metrics like GC stats, memory stats etc.
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collectors.NewGoCollector(),
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)
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}
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