Add version info to kube-scheduler, kube-proxy and kubelet logs.

plugin/cmd/kube-scheduler/app/BUILD

@@ -17,6 +17,7 @@ go_library(
         "//pkg/controller:go_default_library",
         "//pkg/features:go_default_library",
         "//pkg/util/configz:go_default_library",
+        "//pkg/version:go_default_library",
         "//plugin/cmd/kube-scheduler/app/options:go_default_library",
         "//plugin/pkg/scheduler:go_default_library",
         "//plugin/pkg/scheduler/algorithmprovider:go_default_library",

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

@@ -34,6 +34,7 @@ import (
 	"k8s.io/client-go/tools/leaderelection/resourcelock"
 	"k8s.io/kubernetes/pkg/controller"
 	"k8s.io/kubernetes/pkg/util/configz"
+	"k8s.io/kubernetes/pkg/version"
 	"k8s.io/kubernetes/plugin/cmd/kube-scheduler/app/options"
 	_ "k8s.io/kubernetes/plugin/pkg/scheduler/algorithmprovider"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/factory"
@@ -66,6 +67,9 @@ through the API as necessary.`,
 
 // Run runs the specified SchedulerServer.  This should never exit.
 func Run(s *options.SchedulerServer) error {
+	// To help debugging, immediately log version
+	glog.Infof("Version: %+v", version.Get())
+
 	kubecli, err := createClient(s)
 	if err != nil {
 		return fmt.Errorf("unable to create kube client: %v", err)