func getServersToValidate(storageFactory genericapiserver.StorageFactory) map[string]apiserver.Server { serversToValidate := map[string]apiserver.Server{ "controller-manager": {Addr: "127.0.0.1", Port: ports.ControllerManagerPort, Path: "/healthz"}, "scheduler": {Addr: "127.0.0.1", Port: ports.SchedulerPort, Path: "/healthz"}, } for ix, machine := range storageFactory.Backends() { etcdUrl, err := url.Parse(machine) if err != nil { glog.Errorf("Failed to parse etcd url for validation: %v", err) continue } var port int var addr string if strings.Contains(etcdUrl.Host, ":") { var portString string addr, portString, err = net.SplitHostPort(etcdUrl.Host) if err != nil { glog.Errorf("Failed to split host/port: %s (%v)", etcdUrl.Host, err) continue } port, _ = strconv.Atoi(portString) } else { addr = etcdUrl.Host port = 2379 } // TODO: etcd health checking should be abstracted in the storage tier serversToValidate[fmt.Sprintf("etcd-%d", ix)] = apiserver.Server{ Addr: addr, EnableHTTPS: etcdUrl.Scheme == "https", Port: port, Path: "/health", Validate: etcdutil.EtcdHealthCheck, } } return serversToValidate }