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
}