add r.primaryCleanup

Signed-off-by: Ryotaro Banno <ryotaro.banno@gmail.com>

internal/controller/mantlebackup_controller.go

@@ -322,6 +322,10 @@ func (r *MantleBackupReconciler) Reconcile(ctx context.Context, req ctrl.Request
 		if _, ok := backup.GetAnnotations()[annotDiffTo]; ok {
 			return ctrl.Result{Requeue: true}, nil
 		}
+		result, err := r.primaryCleanup(ctx, logger, &backup)
+		if err != nil || result != (ctrl.Result{}) {
+			return result, err
+		}
 		return r.removeFinalizer(ctx, logger, &backup, target, isErrTargetPVCNotFound(getSnapshotTargetErr))
 	}
 
@@ -356,7 +360,12 @@ func (r *MantleBackupReconciler) Reconcile(ctx context.Context, req ctrl.Request
 		if err != nil || result != (ctrl.Result{}) {
 			return result, err
 		}
-		if !prepare.isSecondaryMantleBackupReadyToUse {
+		if prepare.isSecondaryMantleBackupReadyToUse {
+			result, err := r.primaryCleanup(ctx, logger, &backup)
+			if err != nil || result != (ctrl.Result{}) {
+				return result, err
+			}
+		} else {
 			result, err := r.export(ctx, &backup, r.primarySettings.Client, prepare)
 			if err != nil || result != (ctrl.Result{}) {
 				return result, err
@@ -618,3 +627,24 @@ func (r *MantleBackupReconciler) export(
 	}
 	return ctrl.Result{}, nil
 }
+
+func (r *MantleBackupReconciler) primaryCleanup(
+	ctx context.Context,
+	logger *slog.Logger,
+	backup *mantlev1.MantleBackup,
+) (ctrl.Result, error) { // nolint:unparam
+	if !backup.DeletionTimestamp.IsZero() {
+		return ctrl.Result{}, nil
+	}
+
+	// Update the status of the MantleBackup.
+	if err := r.updateStatusCondition(ctx, logger, backup, metav1.Condition{
+		Type:   mantlev1.BackupConditionSyncedToRemote,
+		Status: metav1.ConditionTrue,
+		Reason: mantlev1.BackupReasonNone,
+	}); err != nil {
+		return ctrl.Result{}, err
+	}
+
+	return ctrl.Result{}, nil
+}