Remove getLocalNode to fix GracefulNodeShutdown e2e.

getLocalNode tried to get a ready node and fails if there's none.
The e2e test sends termination signal to kubelet and it's expected to have no ready nodes. Because of this, the e2e was permafailing.

Signed-off-by: Ayato Tokubi <atokubi@redhat.com>

test/e2e_node/util_kubeletconfig.go

@@ -18,8 +18,6 @@ package e2enode
 
 import (
 	"context"
-	"fmt"
-	"strings"
 	"time"
 
 	v1 "k8s.io/api/core/v1"
@@ -76,22 +74,17 @@ type updateKubeletOptions struct {
 func updateKubeletConfigWithOptions(ctx context.Context, f *framework.Framework, kubeletConfig *kubeletconfig.KubeletConfiguration, opts updateKubeletOptions) {
 	ginkgo.GinkgoHelper()
 
-	nodeIdent := identifyNode(getLocalNode(ctx, f))
-
 	// Update the Kubelet configuration.
-	ginkgo.By("Stopping the kubelet on " + nodeIdent)
 	restartKubelet := mustStopKubelet(ctx, f)
 
 	// Delete CPU and memory manager state files to be sure it will not prevent the kubelet restart
 	if opts.deleteStateFiles {
-		ginkgo.By("Deleting the kubelet state files on " + nodeIdent)
 		deleteStateFile(cpuManagerStateFile)
 		deleteStateFile(memoryManagerStateFile)
 	}
 
 	framework.ExpectNoError(e2enodekubelet.WriteKubeletConfigFile(kubeletConfig))
 
-	ginkgo.By("Restarting the kubelet on " + nodeIdent)
 	restartKubelet(ctx)
 
 	if opts.ensureConsistentReadyNode {
@@ -101,21 +94,6 @@ func updateKubeletConfigWithOptions(ctx context.Context, f *framework.Framework,
 	}
 }
 
-func identifyNode(node *v1.Node) string {
-	if node == nil {
-		return "localhost"
-	}
-	var addrs string
-	if len(node.Status.Addresses) > 0 {
-		var sb strings.Builder
-		for _, addr := range node.Status.Addresses {
-			fmt.Fprintf(&sb, " %v=%v", addr.Type, addr.Address)
-		}
-		addrs = " <" + sb.String()[1:] + ">"
-	}
-	return node.Name + addrs
-}
-
 func updateKubeletConfig(ctx context.Context, f *framework.Framework, kubeletConfig *kubeletconfig.KubeletConfiguration, deleteStateFiles bool) {
 	updateKubeletConfigWithOptions(ctx, f, kubeletConfig, updateKubeletOptions{
 		deleteStateFiles: deleteStateFiles,