add http handler to export configuration state

plugin/cmd/kube-scheduler/app/server.go

@@ -33,6 +33,7 @@ import (
 	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
 	"k8s.io/kubernetes/pkg/healthz"
 	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/util/configz"
 	"k8s.io/kubernetes/plugin/cmd/kube-scheduler/app/options"
 	"k8s.io/kubernetes/plugin/pkg/scheduler"
 	_ "k8s.io/kubernetes/plugin/pkg/scheduler/algorithmprovider"
@@ -68,6 +69,11 @@ through the API as necessary.`,
 
 // Run runs the specified SchedulerServer.  This should never exit.
 func Run(s *options.SchedulerServer) error {
+	if c, err := configz.New("componentconfig"); err == nil {
+		c.Set(s.KubeSchedulerConfiguration)
+	} else {
+		glog.Errorf("unable to register configz: %s", err)
+	}
 	kubeconfig, err := clientcmd.BuildConfigFromFlags(s.Master, s.Kubeconfig)
 	if err != nil {
 		return err
@@ -90,6 +96,7 @@ func Run(s *options.SchedulerServer) error {
 			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
 			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
 		}
+		configz.InstallHandler(mux)
 		mux.Handle("/metrics", prometheus.Handler())
 
 		server := &http.Server{