57 lines
1.6 KiB
Go
57 lines
1.6 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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"context"
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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 (
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subsystem = "apiserver"
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statuscode = "code"
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)
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var registerMetricsOnce sync.Once
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var (
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// peerProxiedRequestsTotal counts the number of requests that were proxied to a peer kube-apiserver.
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peerProxiedRequestsTotal = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Subsystem: subsystem,
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Name: "rerouted_request_total",
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Help: "Total number of requests that were proxied to a peer kube apiserver because the local apiserver was not capable of serving it",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{statuscode},
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)
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)
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func Register() {
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registerMetricsOnce.Do(func() {
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legacyregistry.MustRegister(peerProxiedRequestsTotal)
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})
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}
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// IncPeerProxiedRequest increments the # of proxied requests to peer kube-apiserver
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func IncPeerProxiedRequest(ctx context.Context, status string) {
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peerProxiedRequestsTotal.WithContext(ctx).WithLabelValues(status).Add(1)
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}
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