Add local option to the label command

This is to be used with the new "set selector" command.

pkg/kubectl/cmd/label_test.go

@@ -383,6 +383,34 @@ func TestLabelForResourceFromFile(t *testing.T) {
 	}
 }
 
+func TestLabelLocal(t *testing.T) {
+	f, tf, _, ns := NewAPIFactory()
+	tf.Client = &fake.RESTClient{
+		NegotiatedSerializer: ns,
+		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
+			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
+			return nil, nil
+		}),
+	}
+	tf.Namespace = "test"
+	tf.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}}
+
+	buf := bytes.NewBuffer([]byte{})
+	cmd := NewCmdLabel(f, buf)
+	cmd.Flags().Set("local", "true")
+	options := &resource.FilenameOptions{
+		Filenames: []string{"../../../examples/storage/cassandra/cassandra-controller.yaml"},
+	}
+
+	err := RunLabel(f, buf, cmd, []string{"a=b"}, options)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !strings.Contains(buf.String(), "labeled") {
+		t.Errorf("did not set labels: %s", buf.String())
+	}
+}
+
 func TestLabelMultipleObjects(t *testing.T) {
 	pods, _, _ := testData()
 	f, tf, codec, ns := NewAPIFactory()