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Merge pull request #35061 from mwielgus/dep-fed-e2e
Automatic merge from submit-queue E2e test for federated deployment controller Based on e2e tests for federated deployment. cc: @quinton-hoole
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commit
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@ -43,6 +43,7 @@ go_library(
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"federation-apiserver.go",
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"federation-authn.go",
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"federation-daemonset.go",
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"federation-deployment.go",
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"federation-event.go",
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"federation-replicaset.go",
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"federation-util.go",
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216
test/e2e/federation-deployment.go
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216
test/e2e/federation-deployment.go
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@ -0,0 +1,216 @@
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/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package e2e
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import (
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"fmt"
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"os"
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"time"
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"k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_5"
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fedutil "k8s.io/kubernetes/federation/pkg/federation-controller/util"
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"k8s.io/kubernetes/pkg/api/unversioned"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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"k8s.io/kubernetes/pkg/util/wait"
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"k8s.io/kubernetes/test/e2e/framework"
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"reflect"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"k8s.io/kubernetes/pkg/api/errors"
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)
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const (
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FederationDeploymentName = "federation-deployment"
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FederatedDeploymentTimeout = 120 * time.Second
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)
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// Create/delete deployment api objects
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var _ = framework.KubeDescribe("Federation deployments [Feature:Federation]", func() {
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f := framework.NewDefaultFederatedFramework("federation-deployment")
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Describe("Deployment objects", func() {
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AfterEach(func() {
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framework.SkipUnlessFederated(f.ClientSet)
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// Delete registered deployments.
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nsName := f.FederationNamespace.Name
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deploymentList, err := f.FederationClientset_1_5.Extensions().Deployments(nsName).List(v1.ListOptions{})
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Expect(err).NotTo(HaveOccurred())
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for _, deployment := range deploymentList.Items {
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err := f.FederationClientset_1_5.Extensions().Deployments(nsName).Delete(deployment.Name, &v1.DeleteOptions{})
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Expect(err).NotTo(HaveOccurred())
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}
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})
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It("should be created and deleted successfully", func() {
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framework.SkipUnlessFederated(f.ClientSet)
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nsName := f.FederationNamespace.Name
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deployment := createDeploymentOrFail(f.FederationClientset_1_5, nsName)
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By(fmt.Sprintf("Creation of deployment %q in namespace %q succeeded. Deleting deployment.", deployment.Name, nsName))
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// Cleanup
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err := f.FederationClientset_1_5.Extensions().Deployments(nsName).Delete(deployment.Name, &v1.DeleteOptions{})
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framework.ExpectNoError(err, "Error deleting deployment %q in namespace %q", deployment.Name, deployment.Namespace)
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By(fmt.Sprintf("Deletion of deployment %q in namespace %q succeeded.", deployment.Name, nsName))
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})
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})
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// e2e cases for federated deployment controller
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Describe("Federated Deployment", func() {
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var (
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clusters map[string]*cluster
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federationName string
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)
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BeforeEach(func() {
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framework.SkipUnlessFederated(f.ClientSet)
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if federationName = os.Getenv("FEDERATION_NAME"); federationName == "" {
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federationName = DefaultFederationName
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}
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clusters = map[string]*cluster{}
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registerClusters(clusters, UserAgentName, federationName, f)
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})
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AfterEach(func() {
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unregisterClusters(clusters, f)
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})
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It("should create and update matching deployments in underling clusters", func() {
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nsName := f.FederationNamespace.Name
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dep := createDeploymentOrFail(f.FederationClientset_1_5, nsName)
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defer func() {
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// cleanup. deletion of deployments is not supported for underlying clusters
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By(fmt.Sprintf("Preparing deployment %q/%q for deletion by setting replicas to zero", nsName, dep.Name))
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replicas := int32(0)
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dep.Spec.Replicas = &replicas
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f.FederationClientset_1_5.Deployments(nsName).Update(dep)
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waitForDeploymentOrFail(f.FederationClientset_1_5, nsName, dep.Name, clusters)
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f.FederationClientset_1_5.Deployments(nsName).Delete(dep.Name, &v1.DeleteOptions{})
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}()
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waitForDeploymentOrFail(f.FederationClientset_1_5, nsName, dep.Name, clusters)
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By(fmt.Sprintf("Successfuly created and synced deployment %q/%q to clusters", nsName, dep.Name))
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updateDeploymentOrFail(f.FederationClientset_1_5, nsName)
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waitForDeploymentOrFail(f.FederationClientset_1_5, nsName, dep.Name, clusters)
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By(fmt.Sprintf("Successfuly updated and synced deployment %q/%q to clusters", nsName, dep.Name))
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})
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})
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})
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func waitForDeploymentOrFail(c *federation_release_1_5.Clientset, namespace string, replicaSetName string, clusters map[string]*cluster) {
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err := waitForDeployment(c, namespace, replicaSetName, clusters)
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framework.ExpectNoError(err, "Failed to verify deployment %q/%q, err: %v", namespace, replicaSetName, err)
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}
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func waitForDeployment(c *federation_release_1_5.Clientset, namespace string, replicaSetName string, clusters map[string]*cluster) error {
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err := wait.Poll(10*time.Second, FederatedDeploymentTimeout, func() (bool, error) {
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fdep, err := c.Deployments(namespace).Get(replicaSetName)
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if err != nil {
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return false, err
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}
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specReplicas, statusReplicas := int32(0), int32(0)
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for _, cluster := range clusters {
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dep, err := cluster.Deployments(namespace).Get(replicaSetName)
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if err != nil && !errors.IsNotFound(err) {
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By(fmt.Sprintf("Failed getting deployment: %q/%q/%q, err: %v", cluster.name, namespace, replicaSetName, err))
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return false, err
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}
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if err == nil {
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if !equivalentDeployment(fdep, dep) {
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By(fmt.Sprintf("Deployment meta or spec not match for cluster %q:\n federation: %v\n cluster: %v", cluster.name, fdep, dep))
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return false, nil
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}
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specReplicas += *dep.Spec.Replicas
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statusReplicas += dep.Status.Replicas
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}
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}
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if statusReplicas == fdep.Status.Replicas && specReplicas >= *fdep.Spec.Replicas {
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return true, nil
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}
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By(fmt.Sprintf("Replicas not match, federation replicas: %v/%v, clusters replicas: %v/%v\n", *fdep.Spec.Replicas, fdep.Status.Replicas, specReplicas, statusReplicas))
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return false, nil
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})
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return err
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}
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func equivalentDeployment(fedDeployment, localDeployment *v1beta1.Deployment) bool {
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localDeploymentSpec := localDeployment.Spec
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localDeploymentSpec.Replicas = fedDeployment.Spec.Replicas
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return fedutil.ObjectMetaEquivalent(fedDeployment.ObjectMeta, localDeployment.ObjectMeta) &&
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reflect.DeepEqual(fedDeployment.Spec, localDeploymentSpec)
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}
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func createDeploymentOrFail(clientset *federation_release_1_5.Clientset, namespace string) *v1beta1.Deployment {
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if clientset == nil || len(namespace) == 0 {
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Fail(fmt.Sprintf("Internal error: invalid parameters passed to createDeploymentOrFail: clientset: %v, namespace: %v", clientset, namespace))
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}
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By(fmt.Sprintf("Creating federation deployment %q in namespace %q", FederationDeploymentName, namespace))
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deployment := newDeploymentForFed(namespace, FederationDeploymentName, 5)
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_, err := clientset.Extensions().Deployments(namespace).Create(deployment)
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framework.ExpectNoError(err, "Creating deployment %q in namespace %q", deployment.Name, namespace)
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By(fmt.Sprintf("Successfully created federation deployment %q in namespace %q", FederationDeploymentName, namespace))
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return deployment
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}
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func updateDeploymentOrFail(clientset *federation_release_1_5.Clientset, namespace string) *v1beta1.Deployment {
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if clientset == nil || len(namespace) == 0 {
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Fail(fmt.Sprintf("Internal error: invalid parameters passed to updateDeploymentOrFail: clientset: %v, namespace: %v", clientset, namespace))
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}
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By(fmt.Sprintf("Updating federation deployment %q in namespace %q", FederationDeploymentName, namespace))
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deployment := newDeploymentForFed(namespace, FederationDeploymentName, 15)
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newRs, err := clientset.Deployments(namespace).Update(deployment)
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framework.ExpectNoError(err, "Updating deployment %q in namespace %q", deployment.Name, namespace)
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By(fmt.Sprintf("Successfully updated federation deployment %q in namespace %q", FederationDeploymentName, namespace))
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return newRs
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}
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func newDeploymentForFed(namespace string, name string, replicas int32) *v1beta1.Deployment {
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return &v1beta1.Deployment{
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ObjectMeta: v1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: v1beta1.DeploymentSpec{
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Replicas: &replicas,
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Selector: &unversioned.LabelSelector{
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MatchLabels: map[string]string{"name": "myrs"},
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},
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Template: v1.PodTemplateSpec{
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ObjectMeta: v1.ObjectMeta{
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Labels: map[string]string{"name": "myrs"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "nginx",
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Image: "nginx",
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},
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},
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},
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},
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},
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}
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}
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