/
actuator.go
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/
actuator.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 (
"context"
"github.com/gardener/gardener/extensions/pkg/controller/backupbucket"
"github.com/gardener/gardener/extensions/pkg/util"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
"github.com/go-logr/logr"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/gardener/gardener-extension-provider-azure/pkg/apis/azure/helper"
azureclient "github.com/gardener/gardener-extension-provider-azure/pkg/azure/client"
)
type actuator struct {
backupbucket.Actuator
client client.Client
}
func newActuator() backupbucket.Actuator {
return &actuator{}
}
func (a *actuator) InjectClient(client client.Client) error {
a.client = client
return nil
}
func (a *actuator) Reconcile(ctx context.Context, _ logr.Logger, backupBucket *extensionsv1alpha1.BackupBucket) error {
var factory = azureclient.NewAzureClientFactory(a.client)
// If the generated secret in the backupbucket status not exists that means
// no backupbucket exists and it need to be created.
if backupBucket.Status.GeneratedSecretRef == nil {
storageAccountName, storageAccountKey, err := ensureBackupBucket(ctx, a.client, factory, backupBucket)
if err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
// Create the generated backupbucket secret.
if err := a.createBackupBucketGeneratedSecret(ctx, backupBucket, storageAccountName, storageAccountKey); err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
}
storageClient, err := factory.Storage(ctx, *backupBucket.Status.GeneratedSecretRef)
if err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
return util.DetermineError(storageClient.CreateContainerIfNotExists(ctx, backupBucket.Name), helper.KnownCodes)
}
func (a *actuator) Delete(ctx context.Context, _ logr.Logger, backupBucket *extensionsv1alpha1.BackupBucket) error {
// If the backupBucket has no generated secret in the status that means
// no backupbucket exists and therefore there is no need for deletion.
if backupBucket.Status.GeneratedSecretRef == nil {
return nil
}
var factory = azureclient.NewAzureClientFactory(a.client)
secret, err := a.getBackupBucketGeneratedSecret(ctx, backupBucket)
if err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
if secret != nil {
// Get a storage account client to delete the backup container in the storage account.
storageClient, err := factory.Storage(ctx, *backupBucket.Status.GeneratedSecretRef)
if err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
if err := storageClient.DeleteContainerIfExists(ctx, backupBucket.Name); err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
}
// Get resource group client and delete the resource group which contains the backup storage account.
groupClient, err := factory.Group(ctx, backupBucket.Spec.SecretRef)
if err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
if err := groupClient.DeleteIfExits(ctx, backupBucket.Name); err != nil {
return util.DetermineError(err, helper.KnownCodes)
}
// Delete the generated backup secret in the garden namespace.
return a.deleteBackupBucketGeneratedSecret(ctx, backupBucket)
}