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Make genericapiserver handler chain customizable

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This commit is contained in:
Dr. Stefan Schimanski
2016-09-28 11:26:50 +02:00
committed by deads2k
parent 7cfd0150e4
commit 68cee1d9ac
18 changed files with 269 additions and 171 deletions
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11
pkg/routes/metrics.go
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@@ -20,28 +20,27 @@ import (
"io"
"net/http"
"k8s.io/kubernetes/pkg/apiserver"
apiservermetrics "k8s.io/kubernetes/pkg/apiserver/metrics"
"k8s.io/kubernetes/pkg/genericapiserver/mux"
etcdmetrics "k8s.io/kubernetes/pkg/storage/etcd/metrics"
"github.com/emicklei/go-restful"
"github.com/prometheus/client_golang/prometheus"
)
// DefaultMetrics installs the default prometheus metrics handler
type DefaultMetrics struct{}
func (m DefaultMetrics) Install(mux *apiserver.PathRecorderMux, c *restful.Container) {
mux.HandleFunc("/metrics", prometheus.Handler().ServeHTTP)
func (m DefaultMetrics) Install(c *mux.APIContainer) {
c.NonSwaggerRoutes.Handle("/metrics", prometheus.Handler())
}
// MetricsWithReset install the prometheus metrics handler extended with support for the DELETE method
// which resets the metrics.
type MetricsWithReset struct{}
func (m MetricsWithReset) Install(mux *apiserver.PathRecorderMux, c *restful.Container) {
func (m MetricsWithReset) Install(c *mux.APIContainer) {
defaultMetricsHandler := prometheus.Handler().ServeHTTP
mux.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) {
c.NonSwaggerRoutes.HandleFunc("/metrics", func(w http.ResponseWriter, req *http.Request) {
if req.Method == "DELETE" {
apiservermetrics.Reset()
etcdmetrics.Reset()