feat: NonAdminBackup sync controller #138
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| Copyright 2024. | ||
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| 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 | ||
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
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| 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. | ||
| */ | ||
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| package controller | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "slices" | ||
| "time" | ||
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| "github.com/go-logr/logr" | ||
| velerov1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/log" | ||
| "sigs.k8s.io/controller-runtime/pkg/reconcile" | ||
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| nacv1alpha1 "github.com/migtools/oadp-non-admin/api/v1alpha1" | ||
| "github.com/migtools/oadp-non-admin/internal/common/constant" | ||
| "github.com/migtools/oadp-non-admin/internal/common/function" | ||
| "github.com/migtools/oadp-non-admin/internal/source" | ||
| ) | ||
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| // NonAdminBackupSynchronizerReconciler reconciles BackupStorageLocation objects | ||
| type NonAdminBackupSynchronizerReconciler struct { | ||
| client.Client | ||
| Scheme *runtime.Scheme | ||
| OADPNamespace string | ||
| SyncPeriod time.Duration | ||
| } | ||
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| // Reconcile is part of the main kubernetes reconciliation loop which aims to | ||
| // move the current state of the cluster closer to the desired state. | ||
| func (r *NonAdminBackupSynchronizerReconciler) Reconcile(ctx context.Context, _ ctrl.Request) (ctrl.Result, error) { | ||
| logger := log.FromContext(ctx) | ||
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| labelSelector := client.MatchingLabels(function.GetNonAdminLabels()) | ||
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| logger.V(1).Info("NonAdminBackup Synchronization start") | ||
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| veleroBackupStorageLocationList := &velerov1.BackupStorageLocationList{} | ||
| if err := r.List(ctx, veleroBackupStorageLocationList, client.InNamespace(r.OADPNamespace)); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
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| var watchedBackupStorageLocations []string | ||
| relatedNonAdminBackupStorageLocations := map[string]string{} | ||
| for _, backupStorageLocation := range veleroBackupStorageLocationList.Items { | ||
| if backupStorageLocation.Spec.Default { | ||
| watchedBackupStorageLocations = append(watchedBackupStorageLocations, backupStorageLocation.Name) | ||
| } | ||
| if function.CheckVeleroBackupStorageLocationMetadata(&backupStorageLocation) { | ||
| err := r.Get(ctx, types.NamespacedName{ | ||
| Name: backupStorageLocation.Annotations[constant.NabslOriginNameAnnotation], | ||
| Namespace: backupStorageLocation.Annotations[constant.NabslOriginNamespaceAnnotation], | ||
| }, &nacv1alpha1.NonAdminBackupStorageLocation{}) | ||
| if err != nil { | ||
| if apierrors.IsNotFound(err) { | ||
| continue | ||
| } | ||
| logger.Error(err, "Unable to fetch NonAdminBackupStorageLocation") | ||
| return ctrl.Result{}, err | ||
| } | ||
| watchedBackupStorageLocations = append(watchedBackupStorageLocations, backupStorageLocation.Name) | ||
| relatedNonAdminBackupStorageLocations[backupStorageLocation.Name] = backupStorageLocation.Annotations[constant.NabslOriginNameAnnotation] | ||
| } | ||
| } | ||
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| veleroBackupList := &velerov1.BackupList{} | ||
| if err := r.List(ctx, veleroBackupList, client.InNamespace(r.OADPNamespace), labelSelector); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
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| var backupsToSync []velerov1.Backup | ||
| var possibleBackupsToSync []velerov1.Backup | ||
| for _, backup := range veleroBackupList.Items { | ||
| if function.CheckVeleroBackupAnnotations(&backup) && | ||
| function.CheckLabelAnnotationValueIsValid(backup.GetLabels(), constant.NabOriginNACUUIDLabel) && | ||
| backup.Status.CompletionTimestamp != nil && | ||
| slices.Contains(watchedBackupStorageLocations, backup.Spec.StorageLocation) { | ||
| possibleBackupsToSync = append(possibleBackupsToSync, backup) | ||
| } | ||
| } | ||
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| logger.V(1).Info(fmt.Sprintf("%v possible Backup(s) to be synced to NonAdmin namespaces", len(possibleBackupsToSync))) | ||
| for _, backup := range possibleBackupsToSync { | ||
| err := r.Get(ctx, types.NamespacedName{ | ||
| Name: backup.Annotations[constant.NabOriginNamespaceAnnotation], | ||
| }, &corev1.Namespace{}) | ||
| if err != nil { | ||
| if apierrors.IsNotFound(err) { | ||
| continue | ||
| } | ||
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| logger.Error(err, "Unable to fetch Namespace") | ||
| return ctrl.Result{}, err | ||
| } | ||
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| err = r.Get(ctx, types.NamespacedName{ | ||
| Namespace: backup.Annotations[constant.NabOriginNamespaceAnnotation], | ||
| Name: backup.Annotations[constant.NabOriginNameAnnotation], | ||
| }, &nacv1alpha1.NonAdminBackup{}) | ||
| if err != nil { | ||
| if apierrors.IsNotFound(err) { | ||
| backupsToSync = append(backupsToSync, backup) | ||
| continue | ||
| } | ||
| logger.Error(err, "Unable to fetch NonAdminBackup") | ||
| return ctrl.Result{}, err | ||
| } | ||
| } | ||
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| logger.V(1).Info(fmt.Sprintf("%v Backup(s) to sync to NonAdmin namespaces", len(backupsToSync))) | ||
| for _, backup := range backupsToSync { | ||
| nab := &nacv1alpha1.NonAdminBackup{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: backup.Annotations[constant.NabOriginNameAnnotation], | ||
| Namespace: backup.Annotations[constant.NabOriginNamespaceAnnotation], | ||
| // TODO sync operation does not preserve labels | ||
| Labels: map[string]string{ | ||
| constant.NabSyncLabel: backup.Labels[constant.NabOriginNACUUIDLabel], | ||
| }, | ||
| }, | ||
| Spec: nacv1alpha1.NonAdminBackupSpec{ | ||
| BackupSpec: &backup.Spec, | ||
| }, | ||
| } | ||
| value, exist := relatedNonAdminBackupStorageLocations[nab.Spec.BackupSpec.StorageLocation] | ||
| if exist { | ||
| nab.Spec.BackupSpec.StorageLocation = value | ||
| } else { | ||
| nab.Spec.BackupSpec.StorageLocation = constant.EmptyString | ||
| } | ||
| err := r.Create(ctx, nab) | ||
| if err != nil { | ||
| logger.Error(err, "Failed to create NonAdminBackup") | ||
| return ctrl.Result{}, err | ||
| } | ||
| } | ||
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| logger.V(1).Info("NonAdminBackup Synchronization exit") | ||
| return ctrl.Result{}, nil | ||
| } | ||
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| // SetupWithManager sets up the controller with the Manager. | ||
| func (r *NonAdminBackupSynchronizerReconciler) SetupWithManager(mgr ctrl.Manager) error { | ||
| return ctrl.NewControllerManagedBy(mgr). | ||
| Named("nonadminbackupsynchronizer"). | ||
| WithLogConstructor(func(_ *reconcile.Request) logr.Logger { | ||
| return logr.New(ctrl.Log.GetSink().WithValues("controller", "nonadminbackupsynchronizer")) | ||
| }). | ||
| WatchesRawSource(&source.PeriodicalSource{Frequency: r.SyncPeriod}). | ||
| Complete(r) | ||
| } | ||
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TODO remove prior to merge