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backup_bucket_controller.go
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/
backup_bucket_controller.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package backupbucket
import (
"fmt"
"time"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
"github.com/gardener/gardener/pkg/controllerutils"
"k8s.io/client-go/tools/cache"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func (c *Controller) backupBucketAdd(obj interface{}) {
backupBucket, ok := obj.(*gardencorev1beta1.BackupBucket)
if !ok {
c.log.Error(fmt.Errorf("could not convert object of type %T to *gardencorev1beta1.BackupBucket", obj), "Unexpected object type", "obj", obj)
return
}
log := c.log.WithValues("backupBucket", client.ObjectKeyFromObject(backupBucket))
key, err := cache.MetaNamespaceKeyFunc(obj)
if err != nil {
log.Error(err, "Could not get key")
return
}
addAfter := controllerutils.ReconcileOncePer24hDuration(backupBucket.ObjectMeta, backupBucket.Status.ObservedGeneration, backupBucket.Status.LastOperation)
if addAfter > 0 {
log.V(1).Info("Scheduled next reconciliation for BackupBucket", "duration", addAfter, "nextReconciliation", time.Now().Add(addAfter))
}
c.backupBucketQueue.AddAfter(key, addAfter)
}
func (c *Controller) backupBucketUpdate(_, newObj interface{}) {
var (
newBackupBucket = newObj.(*gardencorev1beta1.BackupBucket)
log = c.log.WithValues("backupBucket", client.ObjectKeyFromObject(newBackupBucket))
)
// If the generation did not change for an update event (i.e., no changes to the .spec section have
// been made), we do not want to add the BackupBucket to the queue. The periodic reconciliation is handled
// elsewhere by adding the BackupBucket to the queue to dedicated times.
if newBackupBucket.Generation == newBackupBucket.Status.ObservedGeneration {
log.V(1).Info("Do not need to do anything as the Update event occurred due to .status field changes")
return
}
// if oldBackupBucket.Spec.Seed !=nil && newBackupBucket.Spec.Seed != oldBackupBucket.Spec.Seed {
// TODO:apply migration operation on old backupBucket extension.
// Idea here is migration operation on extension resources will actually force extension controller
// to prepare for migration.
// And delete the old backupBucket resource
// }
c.backupBucketAdd(newObj)
}
func (c *Controller) backupBucketDelete(obj interface{}) {
key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(obj)
if err != nil {
c.log.Error(err, "Could not get key", "obj", obj)
return
}
c.backupBucketQueue.Add(key)
}