-
Notifications
You must be signed in to change notification settings - Fork 16
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #279 from jenkins-x-plugins/suspend
feat: add stop command
- Loading branch information
Showing
3 changed files
with
134 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package stop | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/jenkins-x-plugins/jx-admin/pkg/bootjobs" | ||
| "github.com/jenkins-x/jx-helpers/v3/pkg/cobras/helper" | ||
| "github.com/jenkins-x/jx-helpers/v3/pkg/cobras/templates" | ||
| "github.com/jenkins-x/jx-helpers/v3/pkg/kube" | ||
| "github.com/jenkins-x/jx-helpers/v3/pkg/options" | ||
| "github.com/jenkins-x/jx-helpers/v3/pkg/termcolor" | ||
| "github.com/jenkins-x/jx-kube-client/v3/pkg/kubeclient" | ||
| "github.com/jenkins-x/jx-logging/v3/pkg/log" | ||
| "github.com/pkg/errors" | ||
| "github.com/spf13/cobra" | ||
| batchv1 "k8s.io/api/batch/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| // Options contains the command line arguments for this command | ||
| type Options struct { | ||
| options.BaseOptions | ||
|
|
||
| Namespace string | ||
| JobSelector string | ||
| KubeClient kubernetes.Interface | ||
| } | ||
|
|
||
| var ( | ||
| info = termcolor.ColorInfo | ||
|
|
||
| cmdLong = templates.LongDesc(` | ||
| Stops the currently running boot Job. | ||
| It works by setting spec.suspend=true in the job. | ||
| `) | ||
| ) | ||
|
|
||
| // NewCmdJobStep creates the new command | ||
| func NewCmdJobStop() (*cobra.Command, *Options) { | ||
| options := &Options{} | ||
| command := &cobra.Command{ | ||
| Use: "stop", | ||
| Short: "stops the currently running boot Job", | ||
| Aliases: []string{"suspend"}, | ||
| Long: cmdLong, | ||
| Run: func(command *cobra.Command, args []string) { | ||
| err := options.Run() | ||
| helper.CheckErr(err) | ||
| }, | ||
| } | ||
| command.Flags().StringVarP(&options.Namespace, "namespace", "n", "", "the namespace where the boot jobs run. If not specified it will look in: jx-git-operator and jx") | ||
| command.Flags().StringVarP(&options.JobSelector, "selector", "s", "app=jx-boot", "the selector of the boot Job pods") | ||
|
|
||
| options.BaseOptions.AddBaseFlags(command) | ||
|
|
||
| return command, options | ||
| } | ||
|
|
||
| func (o *Options) Run() error { | ||
| err := o.Validate() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| client := o.KubeClient | ||
| selector := o.JobSelector | ||
|
|
||
| ns, err := bootjobs.FindGitOperatorNamespace(client, o.Namespace) | ||
| if err != nil { | ||
| log.Logger().WithError(err).Errorf("failed to find the git operator namespace") | ||
| return nil | ||
| } | ||
|
|
||
| jobs, err := bootjobs.GetSortedJobs(client, ns, selector, "") | ||
| if err != nil { | ||
| log.Logger().WithError(err).Errorf("failed to get jobs") | ||
| return nil | ||
| } | ||
|
|
||
| if len(jobs) == 0 { | ||
| log.Logger().Warnf("there are no boot jobs found in namespace %s", ns) | ||
| return nil | ||
| } | ||
|
|
||
| job := jobs[0] | ||
| if IsJobDone(&job) { | ||
| log.Logger().Warnf("there is no running boot job in namespace %s", ns) | ||
| return nil | ||
| } | ||
| ctx := context.Background() | ||
| suspend := true | ||
| job.Spec.Suspend = &suspend | ||
| _, err = client.BatchV1().Jobs(ns).Update(ctx, &job, metav1.UpdateOptions{}) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to update Job %s in namespace %s", job.Name, job.Namespace) | ||
| } | ||
| log.Logger().Infof("marked Job %s to be stopped.", info(job.Name)) | ||
| return nil | ||
| } | ||
|
|
||
| // Validate verifies the settings are correct and we can lazy create any required resources | ||
| func (o *Options) Validate() error { | ||
| var err error | ||
| o.KubeClient, err = kube.LazyCreateKubeClientWithMandatory(o.KubeClient, true) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to create kubernetes client") | ||
| } | ||
| if o.Namespace == "" { | ||
| o.Namespace, err = kubeclient.CurrentNamespace() | ||
| if err != nil { | ||
| return errors.Wrapf(err, "failed to detect current namespace. Try supply --namespace") | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // IsJobDone returns true if the job has completed | ||
| func IsJobDone(r *batchv1.Job) bool { | ||
| for _, con := range r.Status.Conditions { | ||
| if con.Status == corev1.ConditionTrue { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } |