Make kube-proxy's MetricsBindAddress configurable via flag

cmd/kube-proxy/app/BUILD

@@ -23,6 +23,7 @@ go_library(
         "//pkg/client/informers/informers_generated/internalversion:go_default_library",
         "//pkg/kubectl/cmd/util:go_default_library",
         "//pkg/kubelet/qos:go_default_library",
+        "//pkg/master/ports:go_default_library",
         "//pkg/proxy:go_default_library",
         "//pkg/proxy/config:go_default_library",
         "//pkg/proxy/healthcheck:go_default_library",

cmd/kube-proxy/app/server.go

@@ -53,6 +53,7 @@ import (
 	informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
 	"k8s.io/kubernetes/pkg/kubelet/qos"
+	"k8s.io/kubernetes/pkg/master/ports"
 	"k8s.io/kubernetes/pkg/proxy"
 	proxyconfig "k8s.io/kubernetes/pkg/proxy/config"
 	"k8s.io/kubernetes/pkg/proxy/healthcheck"
@@ -129,6 +130,7 @@ func AddFlags(options *Options, fs *pflag.FlagSet) {
 	fs.StringVar(&options.master, "master", options.master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
 	fs.Int32Var(&options.healthzPort, "healthz-port", options.healthzPort, "The port to bind the health check server. Use 0 to disable.")
 	fs.Var(componentconfig.IPVar{Val: &options.config.HealthzBindAddress}, "healthz-bind-address", "The IP address and port for the health check server to serve on (set to 0.0.0.0 for all interfaces)")
+	fs.Var(componentconfig.IPVar{Val: &options.config.MetricsBindAddress}, "metrics-bind-address", "The IP address and port for the metrics server to serve on (set to 0.0.0.0 for all interfaces)")
 	fs.Int32Var(options.config.OOMScoreAdj, "oom-score-adj", util.Int32PtrDerefOr(options.config.OOMScoreAdj, int32(qos.KubeProxyOOMScoreAdj)), "The oom-score-adj value for kube-proxy process. Values must be within the range [-1000, 1000]")
 	fs.StringVar(&options.config.ResourceContainer, "resource-container", options.config.ResourceContainer, "Absolute name of the resource-only container to create and run the Kube-proxy in (Default: /kube-proxy).")
 	fs.MarkDeprecated("resource-container", "This feature will be removed in a later release.")
@@ -166,7 +168,7 @@ func AddFlags(options *Options, fs *pflag.FlagSet) {
 func NewOptions() (*Options, error) {
 	o := &Options{
 		config:      new(componentconfig.KubeProxyConfiguration),
-		healthzPort: 10256,
+		healthzPort: ports.ProxyHealthzPort,
 	}
 
 	o.scheme = runtime.NewScheme()

hack/verify-flags/known-flags.txt

@@ -483,6 +483,7 @@ mesos-launch-grace-period
 mesos-master
 mesos-sandbox-overlay
 mesos-user
+metrics-bind-address
 metrics-path
 min-available
 minimum-container-ttl-duration