Object meta helper functions for federated controller

federation/pkg/federation-controller/util/meta.go

+/*
+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 util
+
+import (
+	"reflect"
+
+	api_v1 "k8s.io/kubernetes/pkg/api/v1"
+)
+
+func CopyObjectMeta(obj api_v1.ObjectMeta) api_v1.ObjectMeta {
+	return api_v1.ObjectMeta{
+		Name:        obj.Name,
+		Namespace:   obj.Namespace,
+		Labels:      obj.Labels,
+		Annotations: obj.Annotations,
+	}
+}
+
+func ObjectMetaEquivalent(a, b api_v1.ObjectMeta) bool {
+	if a.Name != b.Name {
+		return false
+	}
+	if a.Namespace != b.Namespace {
+		return false
+	}
+	if !reflect.DeepEqual(a.Labels, b.Labels) {
+		return false
+	}
+	if !reflect.DeepEqual(a.Annotations, b.Annotations) {
+		return false
+	}
+	return true
+}

federation/pkg/federation-controller/util/meta_test.go

+/*
+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 util
+
+import (
+	"testing"
+
+	api_v1 "k8s.io/kubernetes/pkg/api/v1"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestObjectMeta(t *testing.T) {
+	o1 := api_v1.ObjectMeta{
+		Namespace:       "ns1",
+		Name:            "s1",
+		UID:             "1231231412",
+		ResourceVersion: "999",
+	}
+	o3 := api_v1.ObjectMeta{
+		Namespace:   "ns1",
+		Name:        "s1",
+		UID:         "1231231412",
+		Annotations: map[string]string{"A": "B"},
+	}
+
+	o2 := CopyObjectMeta(o1)
+	assert.Equal(t, 0, len(o2.UID))
+	assert.Equal(t, 0, len(o2.ResourceVersion))
+	assert.Equal(t, o1.Name, o2.Name)
+	assert.True(t, ObjectMetaEquivalent(o1, o2))
+	assert.False(t, ObjectMetaEquivalent(o1, o3))
+}