97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
/*
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Copyright 2019 The KubeSphere 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 workloads
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import (
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"fmt"
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"k8s.io/api/batch/v1"
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k8serr "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/runtime/schema"
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"k8s.io/client-go/kubernetes"
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"k8s.io/klog"
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"strings"
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"time"
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)
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const retryTimes = 3
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type JobRunner interface {
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JobReRun(namespace, name, resourceVersion string) error
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}
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type jobRunner struct {
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client kubernetes.Interface
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}
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func NewJobRunner(client kubernetes.Interface) JobRunner {
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return &jobRunner{client: client}
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}
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func (r *jobRunner) JobReRun(namespace, jobName, resourceVersion string) error {
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job, err := r.client.BatchV1().Jobs(namespace).Get(jobName, metav1.GetOptions{})
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if err != nil {
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return err
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}
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// do not rerun job if resourceVersion not match
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if job.GetObjectMeta().GetResourceVersion() != resourceVersion {
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err := k8serr.NewConflict(schema.GroupResource{
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Group: job.GetObjectKind().GroupVersionKind().Group, Resource: "job",
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}, jobName, fmt.Errorf("please apply your changes to the latest version and try again"))
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klog.Warning(err)
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return err
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}
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newJob := *job
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newJob.ResourceVersion = ""
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newJob.Status = v1.JobStatus{}
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newJob.ObjectMeta.UID = ""
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newJob.Annotations["revisions"] = strings.Replace(job.Annotations["revisions"], "running", "unfinished", -1)
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delete(newJob.Spec.Selector.MatchLabels, "controller-uid")
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delete(newJob.Spec.Template.ObjectMeta.Labels, "controller-uid")
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err = r.deleteJob(namespace, jobName)
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if err != nil {
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klog.Errorf("failed to rerun job %s, reason: %s", jobName, err)
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return fmt.Errorf("failed to rerun job %s", jobName)
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}
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for i := 0; i < retryTimes; i++ {
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_, err = r.client.BatchV1().Jobs(namespace).Create(&newJob)
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if err != nil {
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time.Sleep(time.Second)
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continue
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}
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break
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}
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if err != nil {
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klog.Errorf("failed to rerun job %s, reason: %s", jobName, err)
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return fmt.Errorf("failed to rerun job %s", jobName)
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}
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return nil
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}
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func (r *jobRunner) deleteJob(namespace, job string) error {
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deletePolicy := metav1.DeletePropagationBackground
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err := r.client.BatchV1().Jobs(namespace).Delete(job, &metav1.DeleteOptions{PropagationPolicy: &deletePolicy})
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return err
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}
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