kubernetes/staging/src/k8s.io/apiserver/pkg/server/routes/metrics.go

type DefaultMetrics …

// Install adds the DefaultMetrics handler
func (m DefaultMetrics) Install(c *mux.PathRecorderMux) { … }

type MetricsWithReset …

// Install adds the MetricsWithReset handler
func (m MetricsWithReset) Install(c *mux.PathRecorderMux) { … }

// register apiserver and etcd metrics
func register() { … }