/
backup.go
63 lines (52 loc) · 1.52 KB
/
backup.go
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package kubeclient
import (
"context"
"fmt"
"time"
"github.com/Azure/go-autorest/autorest/to"
batchv1 "k8s.io/api/batch/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/openshift/openshift-azure/pkg/util/ready"
"github.com/openshift/openshift-azure/pkg/util/wait"
)
func (u *Kubeclientset) BackupCluster(ctx context.Context, backupName string) error {
u.Log.Infof("running an etcd backup")
cronjob, err := u.Client.BatchV1beta1().CronJobs("openshift-etcd").Get("etcd-backup", metav1.GetOptions{})
if err != nil {
return err
}
job := &batchv1.Job{
ObjectMeta: metav1.ObjectMeta{
Name: "etcd-backup",
Namespace: cronjob.Namespace,
},
Spec: cronjob.Spec.JobTemplate.Spec,
}
job.Spec.BackoffLimit = to.Int32Ptr(0)
job.Spec.Template.Spec.Containers[0].Args = []string{
"etcdbackup",
fmt.Sprintf("--blobName=%s", backupName),
"--action=save",
}
job, err = u.Client.BatchV1().Jobs(job.Namespace).Create(job)
if err != nil {
return err
}
defer func() {
err = u.Client.BatchV1().Jobs(job.Namespace).Delete(job.Name, &metav1.DeleteOptions{})
if err != nil {
u.Log.Infof("failed to delete job: %s", job.Name)
}
}()
err = wait.PollImmediateUntil(2*time.Second, func() (bool, error) {
return ready.CheckJobIsReady(u.Client.BatchV1().Jobs(job.Namespace), job.Name)()
}, ctx.Done())
if err != nil {
return err
}
// TODO: verify that the backup blob was created/exists and has bytes
if job.Status.Failed > 0 {
return fmt.Errorf("backup pod failed: %s", job.Name)
}
return nil
}