Worker node upgrade chain

clitools/pkg/node/kubeadm_upgrade.go

@@ -329,21 +329,28 @@ func RunKubeadmUpgradeNode(ctx context.Context, nctx *NodeContext) error {
 		kubeconfigPath,
 	}
 
-	_, err := nctx.SystemRunner.RunWithOptions(
-		ctx,
-		"kubeadm",
-		args,
-		system.RunOptions{
-			Timeout: 10 * time.Minute,
-			OnStdoutLine: func(line string) {
-				klog.Infof("[kubeadm] %s", line)
+	runKubeadm := func(ctx context.Context) error {
+		_, err := nctx.SystemRunner.RunWithOptions(
+			ctx,
+			"kubeadm",
+			args,
+			system.RunOptions{
+				Timeout: 10 * time.Minute,
+				OnStdoutLine: func(line string) {
+					klog.Infof("[kubeadm] %s", line)
+				},
+				OnStderrLine: func(line string) {
+					klog.Infof("[kubeadm] %s", line)
+				},
 			},
-			OnStderrLine: func(line string) {
-				klog.Infof("[kubeadm] %s", line)
-			},
-		},
-	)
-	if err != nil {
+		)
+		return err
+	}
+
+	// COMPAT(kubeadm-upgrade-node-hostname)
+	// RemoveWhen: minimum supported Kubernetes version >= v1.35.0
+	// Replace this wrapper with direct runKubeadm(ctx).
+	if err := runKubeadmUpgradeNodeWithCompat(ctx, nctx, wantVersion, runKubeadm); err != nil {
 		return fmt.Errorf("run kubeadm upgrade node: %w", err)
 	}