test Metadata.ClusterName not saved into etcd

hack/.linted_packages

@@ -210,6 +210,7 @@ test/integration/discoverysummarizer
 test/integration/examples
 test/integration/federation
 test/integration/metrics
+test/integration/objectmeta
 test/integration/openshift
 test/soak/cauldron
 test/soak/serve_hostnames

test/integration/objectmeta/objectmeta_test.go

@@ -0,0 +1,72 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package objectmeta
+
+import (
+	"github.com/stretchr/testify/assert"
+	"golang.org/x/net/context"
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/testapi"
+	"k8s.io/kubernetes/pkg/client/restclient"
+	client "k8s.io/kubernetes/pkg/client/unversioned"
+	"k8s.io/kubernetes/pkg/genericapiserver"
+	etcdstorage "k8s.io/kubernetes/pkg/storage/etcd"
+	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
+	"k8s.io/kubernetes/test/integration/framework"
+	"testing"
+)
+
+func TestIgnoreClusterName(t *testing.T) {
+	config := framework.NewMasterConfig()
+	prefix := config.StorageFactory.(*genericapiserver.DefaultStorageFactory).StorageConfig.Prefix
+	_, s := framework.RunAMaster(config)
+	defer s.Close()
+
+	client := client.NewOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
+	etcdClient := framework.NewEtcdClient()
+	etcdStorage := etcdstorage.NewEtcdStorage(etcdClient, testapi.Default.Codec(),
+		prefix+"/namespaces/", false, etcdtest.DeserializationCacheSize)
+	ctx := context.TODO()
+
+	ns := api.Namespace{
+		ObjectMeta: api.ObjectMeta{
+			Name:        "test-namespace",
+			ClusterName: "cluster-name-to-ignore",
+		},
+	}
+	nsNew, err := client.Namespaces().Create(&ns)
+	assert.Nil(t, err)
+	assert.Equal(t, ns.Name, nsNew.Name)
+	assert.Empty(t, nsNew.ClusterName)
+
+	nsEtcd := api.Namespace{}
+	err = etcdStorage.Get(ctx, ns.Name, &nsEtcd, false)
+	assert.Nil(t, err)
+	assert.Equal(t, ns.Name, nsEtcd.Name)
+	assert.Empty(t, nsEtcd.ClusterName)
+
+	nsNew, err = client.Namespaces().Update(&ns)
+	assert.Nil(t, err)
+	assert.Equal(t, ns.Name, nsNew.Name)
+	assert.Empty(t, nsNew.ClusterName)
+
+	nsEtcd = api.Namespace{}
+	err = etcdStorage.Get(ctx, ns.Name, &nsEtcd, false)
+	assert.Nil(t, err)
+	assert.Equal(t, ns.Name, nsEtcd.Name)
+	assert.Empty(t, nsEtcd.ClusterName)
+}