fix(region,host): guest save image restart not work

pkg/compute/tasks/disk_save_task.go

@@ -110,6 +110,10 @@ func (self *DiskSaveTask) OnDiskBackupComplete(ctx context.Context, disk *models
 	if err != nil {
 		self.taskFailed(ctx, disk, errors.Wrapf(err, "UploadDisk"))
 		return
+	} else {
+		// notify guest save image task to resume guest
+		// disk save task waiting for image uploaded to refresh imagecache
+		self.NotifyParentTaskComplete(ctx, jsonutils.NewDict(), false)
 	}
 }
 

pkg/hostman/storageman/diskhandlers/diskhandler.go

@@ -209,7 +209,7 @@ func saveToGlance(ctx context.Context, w http.ResponseWriter, r *http.Request) {
 		DiskInfo: diskInfo.(*jsonutils.JSONDict),
 	}
 
-	hostutils.DelayTaskWithoutReqctx(ctx, storage.SaveToGlance, info)
+	hostutils.DelayTask(ctx, storage.SaveToGlance, info)
 	hostutils.ResponseOk(ctx, w)
 }