Move deployment utilities to there own package

pkg/controller/deployment/rollback.go

@@ -23,7 +23,7 @@ import (
 	"github.com/golang/glog"
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/apis/extensions"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 )
 
 // Rolling back to a revision; no-op if the toRevision is deployment's current revision
@@ -35,7 +35,7 @@ func (dc *DeploymentController) rollback(deployment *extensions.Deployment, toRe
 	allRSs := append(allOldRSs, newRS)
 	// If rollback revision is 0, rollback to the last revision
 	if *toRevision == 0 {
-		if *toRevision = lastRevision(allRSs); *toRevision == 0 {
+		if *toRevision = deploymentutil.LastRevision(allRSs); *toRevision == 0 {
 			// If we still can't find the last revision, gives up rollback
 			dc.emitRollbackWarningEvent(deployment, deploymentutil.RollbackRevisionNotFound, "Unable to find last revision.")
 			// Gives up rollback
@@ -79,7 +79,7 @@ func (dc *DeploymentController) rollbackToTemplate(deployment *extensions.Deploy
 		//
 		// If we don't copy the annotations back from RS to deployment on rollback, the Deployment will stay as {change-cause:edit},
 		// and new RS1 becomes {change-cause:edit} (copied from deployment after rollback), old RS2 {change-cause:edit}, which is not correct.
-		setDeploymentAnnotationsTo(deployment, rs)
+		deploymentutil.SetDeploymentAnnotationsTo(deployment, rs)
 		performedRollback = true
 	} else {
 		glog.V(4).Infof("Rolling back to a revision that contains the same template as current deployment %s, skipping rollback...", deployment.Name)

pkg/controller/deployment/rolling.go

@@ -23,7 +23,7 @@ import (
 	"github.com/golang/glog"
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	"k8s.io/kubernetes/pkg/controller"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/util/integer"
 )
 
@@ -94,7 +94,7 @@ func (dc *DeploymentController) reconcileOldReplicaSets(allRSs []*extensions.Rep
 		return false, fmt.Errorf("could not find available pods: %v", err)
 	}
 	glog.V(4).Infof("New RS %s/%s has %d available pods.", newRS.Namespace, newRS.Name, newRSAvailablePodCount)
-	maxUnavailable := maxUnavailable(*deployment)
+	maxUnavailable := deploymentutil.MaxUnavailable(*deployment)
 
 	// Check if we can scale down. We can scale down in the following 2 cases:
 	// * Some old replica sets have unhealthy replicas, we could safely scale down those unhealthy replicas since that won't further
@@ -197,7 +197,7 @@ func (dc *DeploymentController) cleanupUnhealthyReplicas(oldRSs []*extensions.Re
 // scaleDownOldReplicaSetsForRollingUpdate scales down old replica sets when deployment strategy is "RollingUpdate".
 // Need check maxUnavailable to ensure availability
 func (dc *DeploymentController) scaleDownOldReplicaSetsForRollingUpdate(allRSs []*extensions.ReplicaSet, oldRSs []*extensions.ReplicaSet, deployment *extensions.Deployment) (int32, error) {
-	maxUnavailable := maxUnavailable(*deployment)
+	maxUnavailable := deploymentutil.MaxUnavailable(*deployment)
 
 	// Check if we can scale down.
 	minAvailable := deployment.Spec.Replicas - maxUnavailable

pkg/controller/deployment/sync.go

@@ -28,7 +28,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	"k8s.io/kubernetes/pkg/controller"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	utilerrors "k8s.io/kubernetes/pkg/util/errors"
 	labelsutil "k8s.io/kubernetes/pkg/util/labels"
 	podutil "k8s.io/kubernetes/pkg/util/pod"
@@ -72,7 +72,7 @@ func (dc *DeploymentController) getAllReplicaSetsAndSyncRevision(deployment *ext
 	}
 
 	// Calculate the max revision number among all old RSes
-	maxOldV := maxRevision(allOldRSs)
+	maxOldV := deploymentutil.MaxRevision(allOldRSs)
 
 	// Get new replica set with the updated revision number
 	newRS, err := dc.getNewReplicaSet(deployment, rsList, maxOldV, allOldRSs, createIfNotExisted)
@@ -232,7 +232,7 @@ func (dc *DeploymentController) getNewReplicaSet(deployment *extensions.Deployme
 		return nil, err
 	} else if existingNewRS != nil {
 		// Set existing new replica set's annotation
-		if setNewReplicaSetAnnotations(deployment, existingNewRS, newRevision, true) {
+		if deploymentutil.SetNewReplicaSetAnnotations(deployment, existingNewRS, newRevision, true) {
 			return dc.client.Extensions().ReplicaSets(deployment.ObjectMeta.Namespace).Update(existingNewRS)
 		}
 		return existingNewRS, nil
@@ -270,7 +270,7 @@ func (dc *DeploymentController) getNewReplicaSet(deployment *extensions.Deployme
 
 	newRS.Spec.Replicas = newReplicasCount
 	// Set new replica set's annotation
-	setNewReplicaSetAnnotations(deployment, &newRS, newRevision, false)
+	deploymentutil.SetNewReplicaSetAnnotations(deployment, &newRS, newRevision, false)
 	createdRS, err := dc.client.Extensions().ReplicaSets(namespace).Create(&newRS)
 	if err != nil {
 		dc.enqueueDeployment(deployment)
@@ -303,7 +303,7 @@ func (dc *DeploymentController) updateDeploymentRevision(deployment *extensions.
 func (dc *DeploymentController) scale(deployment *extensions.Deployment, newRS *extensions.ReplicaSet, oldRSs []*extensions.ReplicaSet) error {
 	// If there is only one active replica set then we should scale that up to the full count of the
 	// deployment. If there is no active replica set, then we should scale up the newest replica set.
-	if activeOrLatest := findActiveOrLatest(newRS, oldRSs); activeOrLatest != nil {
+	if activeOrLatest := deploymentutil.FindActiveOrLatest(newRS, oldRSs); activeOrLatest != nil {
 		if activeOrLatest.Spec.Replicas == deployment.Spec.Replicas {
 			return nil
 		}
@@ -331,7 +331,7 @@ func (dc *DeploymentController) scale(deployment *extensions.Deployment, newRS *
 
 		allowedSize := int32(0)
 		if deployment.Spec.Replicas > 0 {
-			allowedSize = deployment.Spec.Replicas + maxSurge(*deployment)
+			allowedSize = deployment.Spec.Replicas + deploymentutil.MaxSurge(*deployment)
 		}
 
 		// Number of additional replicas that can be either added or removed from the total
@@ -365,7 +365,7 @@ func (dc *DeploymentController) scale(deployment *extensions.Deployment, newRS *
 		for i := range allRSs {
 			rs := allRSs[i]
 
-			proportion := getProportion(rs, *deployment, deploymentReplicasToAdd, deploymentReplicasAdded)
+			proportion := deploymentutil.GetProportion(rs, *deployment, deploymentReplicasToAdd, deploymentReplicasAdded)
 
 			rs.Spec.Replicas += proportion
 			deploymentReplicasAdded += proportion
@@ -411,7 +411,7 @@ func (dc *DeploymentController) scaleReplicaSetAndRecordEvent(rs *extensions.Rep
 func (dc *DeploymentController) scaleReplicaSet(rs *extensions.ReplicaSet, newScale int32, deployment *extensions.Deployment, scalingOperation string) (*extensions.ReplicaSet, error) {
 	// NOTE: This mutates the ReplicaSet passed in. Not sure if that's a good idea.
 	rs.Spec.Replicas = newScale
-	setReplicasAnnotations(rs, deployment.Spec.Replicas, deployment.Spec.Replicas+maxSurge(*deployment))
+	deploymentutil.SetReplicasAnnotations(rs, deployment.Spec.Replicas, deployment.Spec.Replicas+deploymentutil.MaxSurge(*deployment))
 	rs, err := dc.client.Extensions().ReplicaSets(rs.ObjectMeta.Namespace).Update(rs)
 	if err == nil {
 		dc.eventRecorder.Eventf(deployment, api.EventTypeNormal, "ScalingReplicaSet", "Scaled %s replica set %s to %d", scalingOperation, rs.Name, newScale)
@@ -515,7 +515,7 @@ func (dc *DeploymentController) isScalingEvent(d *extensions.Deployment) bool {
 	}
 	allRSs := append(oldRSs, newRS)
 	for _, rs := range controller.FilterActiveReplicaSets(allRSs) {
-		desired, ok := getDesiredReplicasAnnotation(rs)
+		desired, ok := deploymentutil.GetDesiredReplicasAnnotation(rs)
 		if !ok {
 			continue
 		}

pkg/controller/deployment/sync_test.go

@@ -25,6 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
 	"k8s.io/kubernetes/pkg/client/record"
 	"k8s.io/kubernetes/pkg/controller"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/util/intstr"
 )
 
@@ -237,7 +238,7 @@ func TestScale(t *testing.T) {
 			if desired, ok := test.desiredReplicasAnnotations[test.newRS.Name]; ok {
 				desiredReplicas = desired
 			}
-			setReplicasAnnotations(test.newRS, desiredReplicas, desiredReplicas+maxSurge(*test.oldDeployment))
+			deploymentutil.SetReplicasAnnotations(test.newRS, desiredReplicas, desiredReplicas+deploymentutil.MaxSurge(*test.oldDeployment))
 		}
 		for i := range test.oldRSs {
 			rs := test.oldRSs[i]
@@ -248,7 +249,7 @@ func TestScale(t *testing.T) {
 			if desired, ok := test.desiredReplicasAnnotations[rs.Name]; ok {
 				desiredReplicas = desired
 			}
-			setReplicasAnnotations(rs, desiredReplicas, desiredReplicas+maxSurge(*test.oldDeployment))
+			deploymentutil.SetReplicasAnnotations(rs, desiredReplicas, desiredReplicas+deploymentutil.MaxSurge(*test.oldDeployment))
 		}
 
 		if err := dc.scale(test.deployment, test.newRS, test.oldRSs); err != nil {

pkg/util/deployment/deployment_test.go → pkg/controller/deployment/util/deployment_util_test.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package deployment
+package util
 
 import (
 	"fmt"

pkg/kubectl/describe.go

@@ -42,12 +42,12 @@ import (
 	clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
 	adapter "k8s.io/kubernetes/pkg/client/unversioned/adapters/internalclientset"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/fieldpath"
 	"k8s.io/kubernetes/pkg/fields"
 	"k8s.io/kubernetes/pkg/kubelet/qos"
 	"k8s.io/kubernetes/pkg/labels"
 	"k8s.io/kubernetes/pkg/types"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	"k8s.io/kubernetes/pkg/util/intstr"
 	"k8s.io/kubernetes/pkg/util/sets"
 )

pkg/kubectl/history.go

@@ -25,8 +25,8 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/runtime"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	sliceutil "k8s.io/kubernetes/pkg/util/slice"
 )
 

pkg/kubectl/rollback.go

@@ -26,8 +26,8 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/runtime"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	"k8s.io/kubernetes/pkg/watch"
 )
 

pkg/kubectl/rolling_updater.go

@@ -28,9 +28,9 @@ import (
 	"k8s.io/kubernetes/pkg/api/errors"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/labels"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util/deployment"
 	"k8s.io/kubernetes/pkg/util/integer"
 	"k8s.io/kubernetes/pkg/util/intstr"
 	"k8s.io/kubernetes/pkg/util/wait"
@@ -206,7 +206,7 @@ func (r *RollingUpdater) Update(config *RollingUpdaterConfig) error {
 	}
 	// maxSurge is the maximum scaling increment and maxUnavailable are the maximum pods
 	// that can be unavailable during a rollout.
-	maxSurge, maxUnavailable, err := deployment.ResolveFenceposts(&config.MaxSurge, &config.MaxUnavailable, desired)
+	maxSurge, maxUnavailable, err := deploymentutil.ResolveFenceposts(&config.MaxSurge, &config.MaxUnavailable, desired)
 	if err != nil {
 		return err
 	}
@@ -420,7 +420,7 @@ func (r *RollingUpdater) readyPods(oldRc, newRc *api.ReplicationController, minR
 			return 0, 0, err
 		}
 		for _, pod := range pods.Items {
-			if !deployment.IsPodAvailable(&pod, minReadySeconds, r.nowFn().Time) {
+			if !deploymentutil.IsPodAvailable(&pod, minReadySeconds, r.nowFn().Time) {
 				continue
 			}
 			switch controller.Name {

pkg/kubectl/stop.go

@@ -28,9 +28,9 @@ import (
 	"k8s.io/kubernetes/pkg/apis/batch"
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/labels"
 	"k8s.io/kubernetes/pkg/util"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	utilerrors "k8s.io/kubernetes/pkg/util/errors"
 	"k8s.io/kubernetes/pkg/util/wait"
 )

pkg/kubectl/stop_test.go

@@ -29,8 +29,8 @@ import (
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
 	"k8s.io/kubernetes/pkg/client/unversioned/testclient"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/runtime"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 )
 
 func TestReplicationControllerStop(t *testing.T) {

test/e2e/deployment.go

@@ -30,10 +30,10 @@ import (
 	clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
 	adapter "k8s.io/kubernetes/pkg/client/unversioned/adapters/internalclientset"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/kubectl"
 	"k8s.io/kubernetes/pkg/labels"
 	"k8s.io/kubernetes/pkg/util"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	"k8s.io/kubernetes/pkg/util/intstr"
 	"k8s.io/kubernetes/pkg/util/wait"
 	"k8s.io/kubernetes/pkg/watch"

test/e2e/framework/util.go

@@ -55,6 +55,7 @@ import (
 	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
 	clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
 	gcecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/gce"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
 	"k8s.io/kubernetes/pkg/fields"
 	"k8s.io/kubernetes/pkg/kubectl"
 	"k8s.io/kubernetes/pkg/kubelet/util/format"
@@ -64,7 +65,6 @@ import (
 	sshutil "k8s.io/kubernetes/pkg/ssh"
 	"k8s.io/kubernetes/pkg/types"
 	"k8s.io/kubernetes/pkg/util"
-	deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
 	labelsutil "k8s.io/kubernetes/pkg/util/labels"
 	"k8s.io/kubernetes/pkg/util/sets"
 	"k8s.io/kubernetes/pkg/util/wait"