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backup.go
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backup.go
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package perconaservermongodb
import (
"context"
"fmt"
batchv1b "k8s.io/api/batch/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/labels"
"sigs.k8s.io/controller-runtime/pkg/client"
api "github.com/percona/percona-server-mongodb-operator/pkg/apis/psmdb/v1"
"github.com/percona/percona-server-mongodb-operator/pkg/psmdb/backup"
)
func (r *ReconcilePerconaServerMongoDB) reconcileBackupTasks(cr *api.PerconaServerMongoDB) error {
ctasks := make(map[string]struct{})
ls := backup.NewBackupCronJobLabels(cr.Name)
for _, task := range cr.Spec.Backup.Tasks {
cjob := backup.BackupCronJob(&task, cr.Name, cr.Namespace, cr.Spec.Backup, cr.Spec.ImagePullSecrets)
ls = cjob.ObjectMeta.Labels
if task.Enabled {
ctasks[cjob.Name] = struct{}{}
err := setControllerReference(cr, cjob, r.scheme)
if err != nil {
return fmt.Errorf("set owner reference for backup task %s: %v", cjob.Name, err)
}
err = r.client.Create(context.TODO(), cjob)
if err != nil && errors.IsAlreadyExists(err) {
err := r.client.Update(context.TODO(), cjob)
if err != nil {
return fmt.Errorf("update task %s: %v", task.Name, err)
}
} else if err != nil {
return fmt.Errorf("create task %s: %v", task.Name, err)
}
}
}
// Remove old/unused tasks
tasksList := &batchv1b.CronJobList{}
err := r.client.List(context.TODO(),
&client.ListOptions{
Namespace: cr.Namespace,
LabelSelector: labels.SelectorFromSet(ls),
},
tasksList,
)
if err != nil {
return fmt.Errorf("get backup list: %v", err)
}
for _, t := range tasksList.Items {
if _, ok := ctasks[t.Name]; !ok {
err := r.client.Delete(context.TODO(), &t)
if err != nil && !errors.IsNotFound(err) {
return fmt.Errorf("delete backup task %s: %v", t.Name, err)
}
}
}
return nil
}