mirror of https://github.com/k3s-io/k3s
292 lines
11 KiB
Go
292 lines
11 KiB
Go
/*
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Copyright 2017 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_federation
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import (
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"fmt"
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"strings"
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"time"
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batchv1 "k8s.io/api/batch/v1"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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fedclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_clientset"
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fedutil "k8s.io/kubernetes/federation/pkg/federation-controller/util"
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"k8s.io/kubernetes/test/e2e/framework"
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fedframework "k8s.io/kubernetes/test/e2e_federation/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/kubernetes/pkg/api"
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)
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const (
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FederationJobName = "federation-job"
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)
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var _ = framework.KubeDescribe("Federation jobs [Feature:Federation]", func() {
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f := fedframework.NewDefaultFederatedFramework("federation-job")
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Describe("Job objects [NoCluster]", func() {
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AfterEach(func() {
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fedframework.SkipUnlessFederated(f.ClientSet)
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// Delete all jobs.
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nsName := f.FederationNamespace.Name
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deleteAllJobsOrFail(f.FederationClientset, nsName)
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})
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It("should be created and deleted successfully", func() {
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fedframework.SkipUnlessFederated(f.ClientSet)
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nsName := f.FederationNamespace.Name
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job := createJobOrFail(f.FederationClientset, nsName)
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By(fmt.Sprintf("Creation of job %q in namespace %q succeeded. Deleting job.", job.Name, nsName))
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// Cleanup
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err := f.FederationClientset.Batch().Jobs(nsName).Delete(job.Name, &metav1.DeleteOptions{})
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framework.ExpectNoError(err, "Error deleting job %q in namespace %q", job.Name, job.Namespace)
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By(fmt.Sprintf("Deletion of job %q in namespace %q succeeded.", job.Name, nsName))
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})
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})
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// e2e cases for federated job controller
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Describe("Federated Job", func() {
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var (
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clusters fedframework.ClusterSlice
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)
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BeforeEach(func() {
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fedframework.SkipUnlessFederated(f.ClientSet)
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clusters = f.GetRegisteredClusters()
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})
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AfterEach(func() {
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nsName := f.FederationNamespace.Name
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deleteAllJobsOrFail(f.FederationClientset, nsName)
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})
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It("should create and update matching jobs in underlying clusters", func() {
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nsName := f.FederationNamespace.Name
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job := createJobOrFail(f.FederationClientset, nsName)
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defer func() {
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// cleanup. deletion of jobs is not supported for underlying clusters
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By(fmt.Sprintf("Deleting job %q/%q", nsName, job.Name))
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waitForJobOrFail(f.FederationClientset, nsName, job.Name, clusters)
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f.FederationClientset.Batch().Jobs(nsName).Delete(job.Name, &metav1.DeleteOptions{})
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}()
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waitForJobOrFail(f.FederationClientset, nsName, job.Name, clusters)
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By(fmt.Sprintf("Successfuly created and synced job %q/%q to clusters", nsName, job.Name))
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})
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It("should be deleted from underlying clusters when OrphanDependents is false", func() {
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fedframework.SkipUnlessFederated(f.ClientSet)
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nsName := f.FederationNamespace.Name
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orphanDependents := false
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verifyCascadingDeletionForJob(f.FederationClientset, clusters, &orphanDependents, nsName)
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By(fmt.Sprintf("Verified that jobs were deleted from underlying clusters"))
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})
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It("should not be deleted from underlying clusters when OrphanDependents is true", func() {
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fedframework.SkipUnlessFederated(f.ClientSet)
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nsName := f.FederationNamespace.Name
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orphanDependents := true
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verifyCascadingDeletionForJob(f.FederationClientset, clusters, &orphanDependents, nsName)
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By(fmt.Sprintf("Verified that jobs were not deleted from underlying clusters"))
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})
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It("should not be deleted from underlying clusters when OrphanDependents is nil", func() {
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fedframework.SkipUnlessFederated(f.ClientSet)
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nsName := f.FederationNamespace.Name
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verifyCascadingDeletionForJob(f.FederationClientset, clusters, nil, nsName)
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By(fmt.Sprintf("Verified that jobs were not deleted from underlying clusters"))
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})
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})
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})
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// deleteAllJobsOrFail deletes all jobs in the given namespace name.
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func deleteAllJobsOrFail(clientset *fedclientset.Clientset, nsName string) {
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jobList, err := clientset.Batch().Jobs(nsName).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred())
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orphanDependents := false
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for _, job := range jobList.Items {
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deleteJobOrFail(clientset, nsName, job.Name, &orphanDependents)
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}
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}
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// verifyCascadingDeletionForJob verifies that job are deleted
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// from underlying clusters when orphan dependents is false and they are not
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// deleted when orphan dependents is true.
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func verifyCascadingDeletionForJob(clientset *fedclientset.Clientset, clusters fedframework.ClusterSlice, orphanDependents *bool, nsName string) {
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job := createJobOrFail(clientset, nsName)
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jobName := job.Name
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// Check subclusters if the job was created there.
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By(fmt.Sprintf("Waiting for job %s to be created in all underlying clusters", jobName))
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err := wait.Poll(5*time.Second, 2*time.Minute, func() (bool, error) {
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for _, cluster := range clusters {
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_, err := cluster.Batch().Jobs(nsName).Get(jobName, metav1.GetOptions{})
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if err != nil && errors.IsNotFound(err) {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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}
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return true, nil
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})
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framework.ExpectNoError(err, "Not all jobs created")
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By(fmt.Sprintf("Deleting job %s", jobName))
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deleteJobOrFail(clientset, nsName, jobName, orphanDependents)
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By(fmt.Sprintf("Verifying job %s in underlying clusters", jobName))
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errMessages := []string{}
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// job should be present in underlying clusters unless orphanDependents is false.
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shouldExist := orphanDependents == nil || *orphanDependents == true
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for _, cluster := range clusters {
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clusterName := cluster.Name
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_, err := cluster.Batch().Jobs(nsName).Get(jobName, metav1.GetOptions{})
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if shouldExist && errors.IsNotFound(err) {
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errMessages = append(errMessages, fmt.Sprintf("unexpected NotFound error for job %s in cluster %s, expected job to exist", jobName, clusterName))
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} else if !shouldExist && !errors.IsNotFound(err) {
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errMessages = append(errMessages, fmt.Sprintf("expected NotFound error for job %s in cluster %s, got error: %v", jobName, clusterName, err))
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}
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}
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if len(errMessages) != 0 {
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framework.Failf("%s", strings.Join(errMessages, "; "))
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}
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}
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func waitForJobOrFail(c *fedclientset.Clientset, namespace string, jobName string, clusters fedframework.ClusterSlice) {
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err := waitForJob(c, namespace, jobName, clusters)
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framework.ExpectNoError(err, "Failed to verify job %q/%q, err: %v", namespace, jobName, err)
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}
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func waitForJob(c *fedclientset.Clientset, namespace string, jobName string, clusters fedframework.ClusterSlice) error {
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err := wait.Poll(10*time.Second, fedframework.FederatedDefaultTestTimeout, func() (bool, error) {
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fjob, err := c.Batch().Jobs(namespace).Get(jobName, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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succeeded := int32(0)
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for _, cluster := range clusters {
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job, err := cluster.Batch().Jobs(namespace).Get(jobName, metav1.GetOptions{})
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if err != nil && !errors.IsNotFound(err) {
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By(fmt.Sprintf("Failed getting job: %q/%q/%q, err: %v", cluster.Name, namespace, jobName, err))
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return false, err
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}
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if err == nil {
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if !verifyJob(fjob, job) {
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By(fmt.Sprintf("Job meta or spec not match for cluster %q:\n federation: %v\n cluster: %v", cluster.Name, fjob, job))
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return false, nil
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}
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succeeded += job.Status.Succeeded
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}
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}
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if succeeded == fjob.Status.Succeeded &&
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(fjob.Spec.Completions != nil && succeeded == *fjob.Spec.Completions) {
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return true, nil
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}
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By(fmt.Sprintf("Job statuses not match, federation succeeded: %v/%v, clusters succeeded: %v\n",
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fjob.Status.Succeeded, func(p *int32) int32 {
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if p != nil {
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return *p
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} else {
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return -1
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}
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}(fjob.Spec.Completions), succeeded))
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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 verifyJob(fedJob, localJob *batchv1.Job) bool {
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localJobObj, _ := api.Scheme.DeepCopy(localJob)
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localJob = localJobObj.(*batchv1.Job)
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localJob.Spec.ManualSelector = fedJob.Spec.ManualSelector
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localJob.Spec.Completions = fedJob.Spec.Completions
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localJob.Spec.Parallelism = fedJob.Spec.Parallelism
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return fedutil.ObjectMetaAndSpecEquivalent(fedJob, localJob)
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}
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func createJobOrFail(clientset *fedclientset.Clientset, namespace string) *batchv1.Job {
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if clientset == nil || len(namespace) == 0 {
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Fail(fmt.Sprintf("Internal error: invalid parameters passed to createJobOrFail: clientset: %v, namespace: %v", clientset, namespace))
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}
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By(fmt.Sprintf("Creating federation job %q in namespace %q", FederationJobName, namespace))
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job := newJobForFed(namespace, FederationJobName, 5, 5)
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_, err := clientset.Batch().Jobs(namespace).Create(job)
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framework.ExpectNoError(err, "Creating job %q in namespace %q", job.Name, namespace)
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By(fmt.Sprintf("Successfully created federation job %q in namespace %q", FederationJobName, namespace))
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return job
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}
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func deleteJobOrFail(clientset *fedclientset.Clientset, nsName string, jobName string, orphanDependents *bool) {
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By(fmt.Sprintf("Deleting job %q in namespace %q", jobName, nsName))
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err := clientset.Batch().Jobs(nsName).Delete(jobName, &metav1.DeleteOptions{OrphanDependents: orphanDependents})
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if err != nil && !errors.IsNotFound(err) {
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framework.ExpectNoError(err, "Error deleting job %q in namespace %q", jobName, nsName)
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}
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// Wait for the job to be deleted.
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err = wait.Poll(10*time.Second, fedframework.FederatedDefaultTestTimeout, func() (bool, error) {
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_, err := clientset.Batch().Jobs(nsName).Get(jobName, metav1.GetOptions{})
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if err != nil && errors.IsNotFound(err) {
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return true, nil
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}
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return false, err
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})
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if err != nil {
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framework.Failf("Error in deleting job %s: %v", jobName, err)
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}
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}
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func newJobForFed(namespace string, name string, completions int32, parallelism int32) *batchv1.Job {
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return &batchv1.Job{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: batchv1.JobSpec{
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Parallelism: ¶llelism,
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Completions: &completions,
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"name": "fjob"},
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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: "sleep",
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Image: "gcr.io/google_containers/busybox:1.24",
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Command: []string{"sleep", "1"},
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},
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},
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RestartPolicy: v1.RestartPolicyNever,
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},
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},
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},
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}
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}
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