mirror of https://github.com/k3s-io/k3s
506 lines
20 KiB
Go
506 lines
20 KiB
Go
/*
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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 apps
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import (
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"fmt"
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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batchv1 "k8s.io/api/batch/v1"
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batchv1beta1 "k8s.io/api/batch/v1beta1"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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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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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/scheme"
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batchinternal "k8s.io/kubernetes/pkg/apis/batch"
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"k8s.io/kubernetes/pkg/controller/job"
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"k8s.io/kubernetes/test/e2e/framework"
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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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const (
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// How long to wait for a cronjob
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cronJobTimeout = 5 * time.Minute
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)
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var _ = SIGDescribe("CronJob", func() {
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f := framework.NewDefaultFramework("cronjob")
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sleepCommand := []string{"sleep", "300"}
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// Pod will complete instantly
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successCommand := []string{"/bin/true"}
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BeforeEach(func() {
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framework.SkipIfMissingResource(f.DynamicClient, CronJobGroupVersionResourceBeta, f.Namespace.Name)
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})
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// multiple jobs running at once
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It("should schedule multiple jobs concurrently", func() {
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By("Creating a cronjob")
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cronJob := newTestCronJob("concurrent", "*/1 * * * ?", batchv1beta1.AllowConcurrent,
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sleepCommand, nil)
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create CronJob in namespace %s", f.Namespace.Name)
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By("Ensuring more than one job is running at a time")
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err = waitForActiveJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, 2)
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Expect(err).NotTo(HaveOccurred(), "Failed to wait for active jobs in CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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By("Ensuring at least two running jobs exists by listing jobs explicitly")
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jobs, err := f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "Failed to list the CronJobs in namespace %s", f.Namespace.Name)
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activeJobs, _ := filterActiveJobs(jobs)
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Expect(len(activeJobs) >= 2).To(BeTrue())
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to delete CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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// suspended should not schedule jobs
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It("should not schedule jobs when suspended [Slow]", func() {
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By("Creating a suspended cronjob")
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cronJob := newTestCronJob("suspended", "*/1 * * * ?", batchv1beta1.AllowConcurrent,
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sleepCommand, nil)
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t := true
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cronJob.Spec.Suspend = &t
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create CronJob in namespace %s", f.Namespace.Name)
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By("Ensuring no jobs are scheduled")
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err = waitForNoJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, false)
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Expect(err).To(HaveOccurred())
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By("Ensuring no job exists by listing jobs explicitly")
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jobs, err := f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "Failed to list the CronJobs in namespace %s", f.Namespace.Name)
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Expect(jobs.Items).To(HaveLen(0))
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to delete CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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// only single active job is allowed for ForbidConcurrent
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It("should not schedule new jobs when ForbidConcurrent [Slow]", func() {
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By("Creating a ForbidConcurrent cronjob")
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cronJob := newTestCronJob("forbid", "*/1 * * * ?", batchv1beta1.ForbidConcurrent,
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sleepCommand, nil)
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create CronJob in namespace %s", f.Namespace.Name)
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By("Ensuring a job is scheduled")
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err = waitForActiveJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, 1)
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Expect(err).NotTo(HaveOccurred(), "Failed to schedule CronJob %s", cronJob.Name)
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By("Ensuring exactly one is scheduled")
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cronJob, err = getCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to get CronJob %s", cronJob.Name)
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Expect(cronJob.Status.Active).Should(HaveLen(1))
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By("Ensuring exactly one running job exists by listing jobs explicitly")
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jobs, err := f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "Failed to list the CronJobs in namespace %s", f.Namespace.Name)
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activeJobs, _ := filterActiveJobs(jobs)
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Expect(activeJobs).To(HaveLen(1))
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By("Ensuring no more jobs are scheduled")
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err = waitForActiveJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, 2)
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Expect(err).To(HaveOccurred())
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to delete CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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// only single active job is allowed for ReplaceConcurrent
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It("should replace jobs when ReplaceConcurrent", func() {
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By("Creating a ReplaceConcurrent cronjob")
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cronJob := newTestCronJob("replace", "*/1 * * * ?", batchv1beta1.ReplaceConcurrent,
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sleepCommand, nil)
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create CronJob in namespace %s", f.Namespace.Name)
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By("Ensuring a job is scheduled")
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err = waitForActiveJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, 1)
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Expect(err).NotTo(HaveOccurred(), "Failed to schedule CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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By("Ensuring exactly one is scheduled")
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cronJob, err = getCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to get CronJob %s", cronJob.Name)
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Expect(cronJob.Status.Active).Should(HaveLen(1))
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By("Ensuring exactly one running job exists by listing jobs explicitly")
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jobs, err := f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "Failed to list the jobs in namespace %s", f.Namespace.Name)
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activeJobs, _ := filterActiveJobs(jobs)
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Expect(activeJobs).To(HaveLen(1))
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By("Ensuring the job is replaced with a new one")
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err = waitForJobReplaced(f.ClientSet, f.Namespace.Name, jobs.Items[0].Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to replace CronJob %s in namespace %s", jobs.Items[0].Name, f.Namespace.Name)
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to delete CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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// shouldn't give us unexpected warnings
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It("should not emit unexpected warnings", func() {
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By("Creating a cronjob")
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cronJob := newTestCronJob("concurrent", "*/1 * * * ?", batchv1beta1.AllowConcurrent,
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nil, nil)
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create CronJob in namespace %s", f.Namespace.Name)
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By("Ensuring at least two jobs and at least one finished job exists by listing jobs explicitly")
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err = waitForJobsAtLeast(f.ClientSet, f.Namespace.Name, 2)
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure at least two job exists in namespace %s", f.Namespace.Name)
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err = waitForAnyFinishedJob(f.ClientSet, f.Namespace.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure at least on finished job exists in namespace %s", f.Namespace.Name)
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By("Ensuring no unexpected event has happened")
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err = waitForEventWithReason(f.ClientSet, f.Namespace.Name, cronJob.Name, []string{"MissingJob", "UnexpectedJob"})
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Expect(err).To(HaveOccurred())
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to delete CronJob %s in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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// deleted jobs should be removed from the active list
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It("should remove from active list jobs that have been deleted", func() {
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By("Creating a ForbidConcurrent cronjob")
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cronJob := newTestCronJob("forbid", "*/1 * * * ?", batchv1beta1.ForbidConcurrent,
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sleepCommand, nil)
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create CronJob in namespace %s", f.Namespace.Name)
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By("Ensuring a job is scheduled")
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err = waitForActiveJobs(f.ClientSet, f.Namespace.Name, cronJob.Name, 1)
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure a %s cronjob is scheduled in namespace %s", cronJob.Name, f.Namespace.Name)
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By("Ensuring exactly one is scheduled")
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cronJob, err = getCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure exactly one %s cronjob is scheduled in namespace %s", cronJob.Name, f.Namespace.Name)
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Expect(cronJob.Status.Active).Should(HaveLen(1))
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By("Deleting the job")
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job := cronJob.Status.Active[0]
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framework.ExpectNoError(framework.DeleteResourceAndWaitForGC(f.ClientSet, batchinternal.Kind("Job"), f.Namespace.Name, job.Name))
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By("Ensuring job was deleted")
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_, err = framework.GetJob(f.ClientSet, f.Namespace.Name, job.Name)
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Expect(err).To(HaveOccurred())
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Expect(errors.IsNotFound(err)).To(BeTrue())
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By("Ensuring the job is not in the cronjob active list")
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err = waitForJobNotActive(f.ClientSet, f.Namespace.Name, cronJob.Name, job.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure the %s cronjob is not in active list in namespace %s", cronJob.Name, f.Namespace.Name)
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By("Ensuring MissingJob event has occurred")
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err = waitForEventWithReason(f.ClientSet, f.Namespace.Name, cronJob.Name, []string{"MissingJob"})
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure missing job event has occurred for %s cronjob in namespace %s", cronJob.Name, f.Namespace.Name)
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to remove %s cronjob in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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// cleanup of successful finished jobs, with limit of one successful job
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It("should delete successful finished jobs with limit of one successful job", func() {
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By("Creating a AllowConcurrent cronjob with custom history limits")
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successLimit := int32(1)
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cronJob := newTestCronJob("concurrent-limit", "*/1 * * * ?", batchv1beta1.AllowConcurrent,
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successCommand, &successLimit)
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cronJob, err := createCronJob(f.ClientSet, f.Namespace.Name, cronJob)
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Expect(err).NotTo(HaveOccurred(), "Failed to create allowconcurrent cronjob with custom history limits in namespace %s", f.Namespace.Name)
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// Job is going to complete instantly: do not check for an active job
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// as we are most likely to miss it
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By("Ensuring a finished job exists")
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err = waitForAnyFinishedJob(f.ClientSet, f.Namespace.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure a finished cronjob exists in namespace %s", f.Namespace.Name)
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By("Ensuring a finished job exists by listing jobs explicitly")
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jobs, err := f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure a finished cronjob exists by listing jobs explicitly in namespace %s", f.Namespace.Name)
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_, finishedJobs := filterActiveJobs(jobs)
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Expect(len(finishedJobs) == 1).To(BeTrue())
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// Job should get deleted when the next job finishes the next minute
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By("Ensuring this job and its pods does not exist anymore")
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err = waitForJobToDisappear(f.ClientSet, f.Namespace.Name, finishedJobs[0])
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure that job does not exists anymore in namespace %s", f.Namespace.Name)
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err = waitForJobsPodToDisappear(f.ClientSet, f.Namespace.Name, finishedJobs[0])
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure that pods for job does not exists anymore in namespace %s", f.Namespace.Name)
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By("Ensuring there is 1 finished job by listing jobs explicitly")
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jobs, err = f.ClientSet.BatchV1().Jobs(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "Failed to ensure there is one finished job by listing job explicitly in namespace %s", f.Namespace.Name)
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_, finishedJobs = filterActiveJobs(jobs)
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Expect(len(finishedJobs) == 1).To(BeTrue())
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By("Removing cronjob")
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err = deleteCronJob(f.ClientSet, f.Namespace.Name, cronJob.Name)
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Expect(err).NotTo(HaveOccurred(), "Failed to remove the %s cronjob in namespace %s", cronJob.Name, f.Namespace.Name)
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})
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})
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// newTestCronJob returns a cronjob which does one of several testing behaviors.
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func newTestCronJob(name, schedule string, concurrencyPolicy batchv1beta1.ConcurrencyPolicy,
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command []string, successfulJobsHistoryLimit *int32) *batchv1beta1.CronJob {
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parallelism := int32(1)
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completions := int32(1)
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sj := &batchv1beta1.CronJob{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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},
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TypeMeta: metav1.TypeMeta{
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Kind: "CronJob",
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},
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Spec: batchv1beta1.CronJobSpec{
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Schedule: schedule,
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ConcurrencyPolicy: concurrencyPolicy,
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JobTemplate: batchv1beta1.JobTemplateSpec{
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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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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyOnFailure,
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Volumes: []v1.Volume{
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{
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Name: "data",
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VolumeSource: v1.VolumeSource{
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EmptyDir: &v1.EmptyDirVolumeSource{},
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},
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},
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},
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Containers: []v1.Container{
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{
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Name: "c",
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Image: imageutils.GetE2EImage(imageutils.BusyBox),
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VolumeMounts: []v1.VolumeMount{
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{
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MountPath: "/data",
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Name: "data",
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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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},
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},
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}
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sj.Spec.SuccessfulJobsHistoryLimit = successfulJobsHistoryLimit
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if command != nil {
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sj.Spec.JobTemplate.Spec.Template.Spec.Containers[0].Command = command
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}
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return sj
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}
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func createCronJob(c clientset.Interface, ns string, cronJob *batchv1beta1.CronJob) (*batchv1beta1.CronJob, error) {
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return c.BatchV1beta1().CronJobs(ns).Create(cronJob)
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}
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func getCronJob(c clientset.Interface, ns, name string) (*batchv1beta1.CronJob, error) {
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return c.BatchV1beta1().CronJobs(ns).Get(name, metav1.GetOptions{})
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}
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func deleteCronJob(c clientset.Interface, ns, name string) error {
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return c.BatchV1beta1().CronJobs(ns).Delete(name, nil)
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}
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// Wait for at least given amount of active jobs.
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func waitForActiveJobs(c clientset.Interface, ns, cronJobName string, active int) error {
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return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
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curr, err := getCronJob(c, ns, cronJobName)
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if err != nil {
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return false, err
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}
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return len(curr.Status.Active) >= active, nil
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})
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}
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// Wait for jobs to appear in the active list of a cronjob or not.
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// When failIfNonEmpty is set, this fails if the active set of jobs is still non-empty after
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// the timeout. When failIfNonEmpty is not set, this fails if the active set of jobs is still
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// empty after the timeout.
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func waitForNoJobs(c clientset.Interface, ns, jobName string, failIfNonEmpty bool) error {
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return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
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curr, err := getCronJob(c, ns, jobName)
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if err != nil {
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return false, err
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}
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if failIfNonEmpty {
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return len(curr.Status.Active) == 0, nil
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} else {
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return len(curr.Status.Active) != 0, nil
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}
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})
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}
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// Wait till a given job actually goes away from the Active list for a given cronjob
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func waitForJobNotActive(c clientset.Interface, ns, cronJobName, jobName string) error {
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return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
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curr, err := getCronJob(c, ns, cronJobName)
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if err != nil {
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return false, err
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}
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for _, j := range curr.Status.Active {
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if j.Name == jobName {
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return false, nil
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}
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}
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return true, nil
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})
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}
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// Wait for a job to disappear by listing them explicitly.
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func waitForJobToDisappear(c clientset.Interface, ns string, targetJob *batchv1.Job) error {
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return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
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jobs, err := c.BatchV1().Jobs(ns).List(metav1.ListOptions{})
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if err != nil {
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return false, err
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}
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_, finishedJobs := filterActiveJobs(jobs)
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for _, job := range finishedJobs {
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if targetJob.Namespace == job.Namespace && targetJob.Name == job.Name {
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return false, nil
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}
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}
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return true, nil
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})
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}
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// Wait for a pod to disappear by listing them explicitly.
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func waitForJobsPodToDisappear(c clientset.Interface, ns string, targetJob *batchv1.Job) error {
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return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
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options := metav1.ListOptions{LabelSelector: fmt.Sprintf("controller-uid=%s", targetJob.UID)}
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|
pods, err := c.CoreV1().Pods(ns).List(options)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return len(pods.Items) == 0, nil
|
|
})
|
|
}
|
|
|
|
// Wait for a job to be replaced with a new one.
|
|
func waitForJobReplaced(c clientset.Interface, ns, previousJobName string) error {
|
|
return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
|
|
jobs, err := c.BatchV1().Jobs(ns).List(metav1.ListOptions{})
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
// Ignore Jobs pending deletion, since deletion of Jobs is now asynchronous.
|
|
aliveJobs := filterNotDeletedJobs(jobs)
|
|
if len(aliveJobs) > 1 {
|
|
return false, fmt.Errorf("More than one job is running %+v", jobs.Items)
|
|
} else if len(aliveJobs) == 0 {
|
|
framework.Logf("Warning: Found 0 jobs in namespace %v", ns)
|
|
return false, nil
|
|
}
|
|
return aliveJobs[0].Name != previousJobName, nil
|
|
})
|
|
}
|
|
|
|
// waitForJobsAtLeast waits for at least a number of jobs to appear.
|
|
func waitForJobsAtLeast(c clientset.Interface, ns string, atLeast int) error {
|
|
return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
|
|
jobs, err := c.BatchV1().Jobs(ns).List(metav1.ListOptions{})
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return len(jobs.Items) >= atLeast, nil
|
|
})
|
|
}
|
|
|
|
// waitForAnyFinishedJob waits for any completed job to appear.
|
|
func waitForAnyFinishedJob(c clientset.Interface, ns string) error {
|
|
return wait.Poll(framework.Poll, cronJobTimeout, func() (bool, error) {
|
|
jobs, err := c.BatchV1().Jobs(ns).List(metav1.ListOptions{})
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
for i := range jobs.Items {
|
|
if job.IsJobFinished(&jobs.Items[i]) {
|
|
return true, nil
|
|
}
|
|
}
|
|
return false, nil
|
|
})
|
|
}
|
|
|
|
// waitForEventWithReason waits for events with a reason within a list has occurred
|
|
func waitForEventWithReason(c clientset.Interface, ns, cronJobName string, reasons []string) error {
|
|
return wait.Poll(framework.Poll, 30*time.Second, func() (bool, error) {
|
|
sj, err := getCronJob(c, ns, cronJobName)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
events, err := c.CoreV1().Events(ns).Search(scheme.Scheme, sj)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
for _, e := range events.Items {
|
|
for _, reason := range reasons {
|
|
if e.Reason == reason {
|
|
return true, nil
|
|
}
|
|
}
|
|
}
|
|
return false, nil
|
|
})
|
|
}
|
|
|
|
// filterNotDeletedJobs returns the job list without any jobs that are pending
|
|
// deletion.
|
|
func filterNotDeletedJobs(jobs *batchv1.JobList) []*batchv1.Job {
|
|
var alive []*batchv1.Job
|
|
for i := range jobs.Items {
|
|
job := &jobs.Items[i]
|
|
if job.DeletionTimestamp == nil {
|
|
alive = append(alive, job)
|
|
}
|
|
}
|
|
return alive
|
|
}
|
|
|
|
func filterActiveJobs(jobs *batchv1.JobList) (active []*batchv1.Job, finished []*batchv1.Job) {
|
|
for i := range jobs.Items {
|
|
j := jobs.Items[i]
|
|
if !job.IsJobFinished(&j) {
|
|
active = append(active, &j)
|
|
} else {
|
|
finished = append(finished, &j)
|
|
}
|
|
}
|
|
return
|
|
}
|