62 lines
1.9 KiB
Go
62 lines
1.9 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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"sigs.k8s.io/controller-runtime/pkg/metrics"
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)
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var (
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// RequestLatency is a prometheus metric which is a histogram of the latency
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// of processing admission requests.
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RequestLatency = prometheus.NewHistogramVec(
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prometheus.HistogramOpts{
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Name: "controller_runtime_webhook_latency_seconds",
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Help: "Histogram of the latency of processing admission requests",
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},
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[]string{"webhook"},
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)
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// RequestTotal is a prometheus metric which is a counter of the total processed admission requests.
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RequestTotal = func() *prometheus.CounterVec {
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return prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "controller_runtime_webhook_requests_total",
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Help: "Total number of admission requests by HTTP status code.",
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},
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[]string{"webhook", "code"},
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)
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}()
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// RequestInFlight is a prometheus metric which is a gauge of the in-flight admission requests.
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RequestInFlight = func() *prometheus.GaugeVec {
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return prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "controller_runtime_webhook_requests_in_flight",
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Help: "Current number of admission requests being served.",
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},
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[]string{"webhook"},
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)
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}()
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)
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func init() {
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metrics.Registry.MustRegister(RequestLatency, RequestTotal, RequestInFlight)
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}
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