mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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7f78661d0b
- rename MuxHelper -> PathRecorderMux - move non-rest handlers into routes packages within genericapiserver and `pkg/routes` (those from master) - move ui and logs handlers out of genericapiserver (they are not generic) - make version handler configurable (`config.EnableVersion`)
54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
/*
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Copyright 2014 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 routes
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import (
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"io"
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"net/http"
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"k8s.io/kubernetes/pkg/apiserver"
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apiservermetrics "k8s.io/kubernetes/pkg/apiserver/metrics"
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etcdmetrics "k8s.io/kubernetes/pkg/storage/etcd/metrics"
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"github.com/emicklei/go-restful"
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"github.com/prometheus/client_golang/prometheus"
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)
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// DefaultMetrics installs the default prometheus metrics handler
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type DefaultMetrics struct{}
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func (m DefaultMetrics) Install(mux *apiserver.PathRecorderMux, c *restful.Container) {
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mux.HandleFunc("/metrics", prometheus.Handler().ServeHTTP)
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}
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// MetricsWithReset install the prometheus metrics handler extended with support for the DELETE method
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// which resets the metrics.
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type MetricsWithReset struct{}
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func (m MetricsWithReset) Install(mux *apiserver.PathRecorderMux, c *restful.Container) {
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defaultMetricsHandler := prometheus.Handler().ServeHTTP
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mux.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) {
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if req.Method == "DELETE" {
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apiservermetrics.Reset()
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etcdmetrics.Reset()
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io.WriteString(w, "metrics reset\n")
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return
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}
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defaultMetricsHandler(w, req)
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})
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}
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