move server client shared annotations to new api/annotations package

pkg/api/annotations/annotations.go

+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+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 annotations
+
+const kubectlPrefix = "kubectl.kubernetes.io/"
+
+// LastAppliedConfigAnnotation is the annotation used to store the previous
+// configuration of a resource for use in a three way diff by UpdateApplyAnnotation.
+const LastAppliedConfigAnnotation = kubectlPrefix + "last-applied-configuration"

pkg/api/annotations/doc.go

+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+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 annotations defines annotation keys that shared between server and client
+package annotations

pkg/controller/deployment/deployment_controller.go

@@ -25,6 +25,7 @@ import (
 
 	"github.com/golang/glog"
 	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/annotations"
 	"k8s.io/kubernetes/pkg/api/errors"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/apis/extensions"
@@ -34,7 +35,6 @@ import (
 	"k8s.io/kubernetes/pkg/client/record"
 	"k8s.io/kubernetes/pkg/controller"
 	"k8s.io/kubernetes/pkg/controller/framework"
-	"k8s.io/kubernetes/pkg/kubectl"
 	"k8s.io/kubernetes/pkg/runtime"
 	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	utilerrors "k8s.io/kubernetes/pkg/util/errors"
@@ -913,7 +913,7 @@ func setNewReplicaSetAnnotations(deployment *extensions.Deployment, newRS *exten
 //       See https://github.com/kubernetes/kubernetes/pull/20035#issuecomment-179558615
 func skipCopyAnnotation(key string) bool {
 	// Skip apply annotations and revision annotations.
-	return key == kubectl.LastAppliedConfigAnnotation || key == deploymentutil.RevisionAnnotation
+	return key == annotations.LastAppliedConfigAnnotation || key == deploymentutil.RevisionAnnotation
 }
 
 func getSkippedAnnotations(annotations map[string]string) map[string]string {

pkg/kubectl/apply.go

@@ -19,6 +19,7 @@ package kubectl
 import (
 	"encoding/json"
 
+	"k8s.io/kubernetes/pkg/api/annotations"
 	"k8s.io/kubernetes/pkg/api/meta"
 	"k8s.io/kubernetes/pkg/kubectl/resource"
 	"k8s.io/kubernetes/pkg/runtime"
@@ -28,23 +29,19 @@ type debugError interface {
 	DebugError() (msg string, args []interface{})
 }
 
-// LastAppliedConfigAnnotation is the annotation used to store the previous
-// configuration of a resource for use in a three way diff by UpdateApplyAnnotation.
-const LastAppliedConfigAnnotation = kubectlAnnotationPrefix + "last-applied-configuration"
-
 // GetOriginalConfiguration retrieves the original configuration of the object
 // from the annotation, or nil if no annotation was found.
 func GetOriginalConfiguration(info *resource.Info) ([]byte, error) {
-	annotations, err := info.Mapping.MetadataAccessor.Annotations(info.Object)
+	annots, err := info.Mapping.MetadataAccessor.Annotations(info.Object)
 	if err != nil {
 		return nil, err
 	}
 
-	if annotations == nil {
+	if annots == nil {
 		return nil, nil
 	}
 
-	original, ok := annotations[LastAppliedConfigAnnotation]
+	original, ok := annots[annotations.LastAppliedConfigAnnotation]
 	if !ok {
 		return nil, nil
 	}
@@ -60,17 +57,17 @@ func SetOriginalConfiguration(info *resource.Info, original []byte) error {
 	}
 
 	accessor := info.Mapping.MetadataAccessor
-	annotations, err := accessor.Annotations(info.Object)
+	annots, err := accessor.Annotations(info.Object)
 	if err != nil {
 		return err
 	}
 
-	if annotations == nil {
-		annotations = map[string]string{}
+	if annots == nil {
+		annots = map[string]string{}
 	}
 
-	annotations[LastAppliedConfigAnnotation] = string(original)
-	if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annotations); err != nil {
+	annots[annotations.LastAppliedConfigAnnotation] = string(original)
+	if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annots); err != nil {
 		return err
 	}
 
@@ -93,14 +90,14 @@ func GetModifiedConfiguration(info *resource.Info, annotate bool, codec runtime.
 		}
 
 		// Get the current annotations from the object.
-		annotations := accessor.GetAnnotations()
-		if annotations == nil {
-			annotations = map[string]string{}
+		annots := accessor.GetAnnotations()
+		if annots == nil {
+			annots = map[string]string{}
 		}
 
-		original := annotations[LastAppliedConfigAnnotation]
-		delete(annotations, LastAppliedConfigAnnotation)
-		accessor.SetAnnotations(annotations)
+		original := annots[annotations.LastAppliedConfigAnnotation]
+		delete(annots, annotations.LastAppliedConfigAnnotation)
+		accessor.SetAnnotations(annots)
 		// TODO: this needs to be abstracted - there should be no assumption that versioned object
 		// can be marshalled to JSON.
 		modified, err = json.Marshal(info.VersionedObject)
@@ -109,8 +106,8 @@ func GetModifiedConfiguration(info *resource.Info, annotate bool, codec runtime.
 		}
 
 		if annotate {
-			annotations[LastAppliedConfigAnnotation] = string(modified)
-			accessor.SetAnnotations(annotations)
+			annots[annotations.LastAppliedConfigAnnotation] = string(modified)
+			accessor.SetAnnotations(annots)
 			// TODO: this needs to be abstracted - there should be no assumption that versioned object
 			// can be marshalled to JSON.
 			modified, err = json.Marshal(info.VersionedObject)
@@ -120,24 +117,24 @@ func GetModifiedConfiguration(info *resource.Info, annotate bool, codec runtime.
 		}
 
 		// Restore the object to its original condition.
-		annotations[LastAppliedConfigAnnotation] = original
-		accessor.SetAnnotations(annotations)
+		annots[annotations.LastAppliedConfigAnnotation] = original
+		accessor.SetAnnotations(annots)
 	} else {
 		// Otherwise, use the server side version of the object.
 		accessor := info.Mapping.MetadataAccessor
 		// Get the current annotations from the object.
-		annotations, err := accessor.Annotations(info.Object)
+		annots, err := accessor.Annotations(info.Object)
 		if err != nil {
 			return nil, err
 		}
 
-		if annotations == nil {
-			annotations = map[string]string{}
+		if annots == nil {
+			annots = map[string]string{}
 		}
 
-		original := annotations[LastAppliedConfigAnnotation]
-		delete(annotations, LastAppliedConfigAnnotation)
-		if err := accessor.SetAnnotations(info.Object, annotations); err != nil {
+		original := annots[annotations.LastAppliedConfigAnnotation]
+		delete(annots, annotations.LastAppliedConfigAnnotation)
+		if err := accessor.SetAnnotations(info.Object, annots); err != nil {
 			return nil, err
 		}
 
@@ -147,8 +144,8 @@ func GetModifiedConfiguration(info *resource.Info, annotate bool, codec runtime.
 		}
 
 		if annotate {
-			annotations[LastAppliedConfigAnnotation] = string(modified)
-			if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annotations); err != nil {
+			annots[annotations.LastAppliedConfigAnnotation] = string(modified)
+			if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annots); err != nil {
 				return nil, err
 			}
 
@@ -159,8 +156,8 @@ func GetModifiedConfiguration(info *resource.Info, annotate bool, codec runtime.
 		}
 
 		// Restore the object to its original condition.
-		annotations[LastAppliedConfigAnnotation] = original
-		if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annotations); err != nil {
+		annots[annotations.LastAppliedConfigAnnotation] = original
+		if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annots); err != nil {
 			return nil, err
 		}
 	}

pkg/kubectl/cmd/apply_test.go

@@ -28,9 +28,9 @@ import (
 	"github.com/spf13/cobra"
 
 	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/annotations"
 	"k8s.io/kubernetes/pkg/api/meta"
 	"k8s.io/kubernetes/pkg/client/unversioned/fake"
-	"k8s.io/kubernetes/pkg/kubectl"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
 	"k8s.io/kubernetes/pkg/runtime"
 )
@@ -117,7 +117,7 @@ func annotateRuntimeObject(t *testing.T, originalObj, currentObj runtime.Object,
 	if currentAnnotations == nil {
 		currentAnnotations = make(map[string]string)
 	}
-	currentAnnotations[kubectl.LastAppliedConfigAnnotation] = string(original)
+	currentAnnotations[annotations.LastAppliedConfigAnnotation] = string(original)
 	currentAccessor.SetAnnotations(currentAnnotations)
 	current, err := json.Marshal(currentObj)
 	if err != nil {
@@ -151,7 +151,7 @@ func validatePatchApplication(t *testing.T, req *http.Request) {
 	}
 
 	annotationsMap := walkMapPath(t, patchMap, []string{"metadata", "annotations"})
-	if _, ok := annotationsMap[kubectl.LastAppliedConfigAnnotation]; !ok {
+	if _, ok := annotationsMap[annotations.LastAppliedConfigAnnotation]; !ok {
 		t.Fatalf("patch does not contain annotation:\n%s\n", patch)
 	}
 

test/e2e/deployment.go

@@ -38,6 +38,7 @@ import (
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
+	"k8s.io/kubernetes/pkg/api/annotations"
 )
 
 const (
@@ -220,7 +221,7 @@ func testNewDeployment(f *framework.Framework) {
 	replicas := int32(1)
 	framework.Logf("Creating simple deployment %s", deploymentName)
 	d := newDeployment(deploymentName, replicas, podLabels, nginxImageName, nginxImage, extensions.RollingUpdateDeploymentStrategyType, nil)
-	d.Annotations = map[string]string{"test": "should-copy-to-replica-set", kubectl.LastAppliedConfigAnnotation: "should-not-copy-to-replica-set"}
+	d.Annotations = map[string]string{"test": "should-copy-to-replica-set", annotations.LastAppliedConfigAnnotation: "should-not-copy-to-replica-set"}
 	_, err := c.Extensions().Deployments(ns).Create(d)
 	Expect(err).NotTo(HaveOccurred())
 	defer stopDeployment(c, f.Client, ns, deploymentName)
@@ -238,9 +239,9 @@ func testNewDeployment(f *framework.Framework) {
 	Expect(err).NotTo(HaveOccurred())
 	// Check new RS annotations
 	Expect(newRS.Annotations["test"]).Should(Equal("should-copy-to-replica-set"))
-	Expect(newRS.Annotations[kubectl.LastAppliedConfigAnnotation]).Should(Equal(""))
+	Expect(newRS.Annotations[annotations.LastAppliedConfigAnnotation]).Should(Equal(""))
 	Expect(deployment.Annotations["test"]).Should(Equal("should-copy-to-replica-set"))
-	Expect(deployment.Annotations[kubectl.LastAppliedConfigAnnotation]).Should(Equal("should-not-copy-to-replica-set"))
+	Expect(deployment.Annotations[annotations.LastAppliedConfigAnnotation]).Should(Equal("should-not-copy-to-replica-set"))
 }
 
 func testRollingUpdateDeployment(f *framework.Framework) {

test/e2e/kubectl.go

@@ -40,11 +40,11 @@ import (
 	"github.com/ghodss/yaml"
 
 	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/annotations"
 	apierrs "k8s.io/kubernetes/pkg/api/errors"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
 	"k8s.io/kubernetes/pkg/controller"
-	"k8s.io/kubernetes/pkg/kubectl"
 	"k8s.io/kubernetes/pkg/kubectl/cmd/util"
 	"k8s.io/kubernetes/pkg/labels"
 	utilnet "k8s.io/kubernetes/pkg/util/net"
@@ -1432,7 +1432,7 @@ func forEachReplicationController(c *client.Client, ns, selectorKey, selectorVal
 
 func validateReplicationControllerConfiguration(rc api.ReplicationController) {
 	if rc.Name == "redis-master" {
-		if _, ok := rc.Annotations[kubectl.LastAppliedConfigAnnotation]; !ok {
+		if _, ok := rc.Annotations[annotations.LastAppliedConfigAnnotation]; !ok {
 			framework.Failf("Annotation not found in modified configuration:\n%v\n", rc)
 		}