kubeadm: move klog.InitFlags into app/kubeadm.go

cmd/kubeadm/BUILD

@@ -18,10 +18,7 @@ go_library(
     name = "go_default_library",
     srcs = ["kubeadm.go"],
     importpath = "k8s.io/kubernetes/cmd/kubeadm",
-    deps = [
-        "//cmd/kubeadm/app:go_default_library",
-        "//vendor/k8s.io/klog:go_default_library",
-    ],
+    deps = ["//cmd/kubeadm/app:go_default_library"],
 )
 
 filegroup(

cmd/kubeadm/app/kubeadm.go

@@ -22,8 +22,7 @@ import (
 
 	"github.com/spf13/pflag"
 
-	// ensure libs have a chance to globally register their flags
-	_ "k8s.io/klog"
+	"k8s.io/klog"
 
 	cliflag "k8s.io/component-base/cli/flag"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd"
@@ -31,6 +30,7 @@ import (
 
 // Run creates and executes new kubeadm command
 func Run() error {
+	klog.InitFlags(nil)
 	pflag.CommandLine.SetNormalizeFunc(cliflag.WordSepNormalizeFunc)
 	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
 

cmd/kubeadm/kubeadm.go

@@ -19,12 +19,10 @@ package main
 import (
 	"os"
 
-	"k8s.io/klog"
 	"k8s.io/kubernetes/cmd/kubeadm/app"
 )
 
 func main() {
-	klog.InitFlags(nil)
 	if err := app.Run(); err != nil {
 		os.Exit(1)
 	}