update

src/job_manager.go

@@ -94,6 +94,7 @@ func (jm *JobManager) start() {
 			GPUs = append(GPUs, GPU.UUID)
 		}
 
+		for attemp := 0; attemp < 3; attemp++ {
 			v := url.Values{}
 			v.Set("image", jm.job.Tasks[i].Image)
 			v.Set("cmd", jm.job.Tasks[i].Cmd)
@@ -127,7 +128,7 @@ func (jm *JobManager) start() {
 			if res.Code != 0 {
 				log.Warn(res)
 			}
-
+		}
 		jm.jobStatus.tasks[jm.job.Tasks[i].Name] = TaskStatus{Id: res.Id, Node: jm.resources[i].ClientHost}
 	}