func serveMetrics(address string) { m := http.NewServeMux() m.Handle("/metrics", metrics.Handler()) if err := http.ListenAndServe(address, m); err != nil { logrus.WithError(err).Fatal("containerd: metrics server failure") } }
func startMetricsServer(addr string) error { if err := allocateDaemonPort(addr); err != nil { return err } l, err := net.Listen("tcp", addr) if err != nil { return err } mux := http.NewServeMux() mux.Handle("/metrics", metrics.Handler()) go func() { if err := http.Serve(l, mux); err != nil { logrus.Errorf("serve metrics api: %s", err) } }() return nil }