Adjust the order of alert user

Author: jefftlin

streamis-jobmanager/streamis-job-manager/streamis-job-manager-service/src/main/scala/com/webank/wedatasphere/streamis/jobmanager/manager/service/TaskMonitorService.scala

@@ -86,10 +86,9 @@ class TaskMonitorService extends Logging {
     streamTasks.filter(shouldMonitor).foreach { streamTask =>
       val job = streamJobMapper.getJobById(streamTask.getJobId)
       if(!JobConf.SUPPORTED_MANAGEMENT_JOB_TYPES.getValue.contains(job.getJobType)) {
-        val userList = Sets.newHashSet(job.getSubmitUser, job.getCreateBy)
-        userList.addAll(getAlertUsers(job))
+        val userList = getAlertUsers(job)
         val alertMsg = s"Spark Streaming应用[${job.getName}]已经超过 ${Utils.msDurationToString(System.currentTimeMillis - streamTask.getLastUpdateTime.getTime)} 没有更新状态, 请及时确认应用是否正常！"
-        alert(jobService.getAlertLevel(job), alertMsg, new util.ArrayList[String](userList), streamTask)
+        alert(jobService.getAlertLevel(job), alertMsg, userList, streamTask)
       } else {
         streamTask.setLastUpdateTime(new Date)
         streamTaskMapper.updateTask(streamTask)
@@ -110,7 +109,6 @@ class TaskMonitorService extends Logging {
           } else {
             // 连续三次还是出现异常，说明Linkis的Manager已经不能正常提供服务，告警并不再尝试获取状态，等待下次尝试
             val users = getAlertUsers(job)
-            users.add(job.getCreateBy)
             alert(jobService.getAlertLevel(job), s"请求LinkisManager失败，Linkis集群出现异常，请关注！影响任务[${job.getName}]", users, streamTask)
           }
         }
@@ -138,9 +136,8 @@ class TaskMonitorService extends Logging {
               }
             case _ =>
           }
-          val userList = Sets.newHashSet(job.getSubmitUser, job.getCreateBy)
-          userList.addAll(getAlertUsers(job))
-          alert(jobService.getAlertLevel(job), alertMsg, new util.ArrayList[String](userList), streamTask)
+          val userList = getAlertUsers(job)
+          alert(jobService.getAlertLevel(job), alertMsg, userList, streamTask)
         }
       }
     }
@@ -159,12 +156,19 @@ class TaskMonitorService extends Logging {
   }
 
   protected def getAlertUsers(job: StreamJob): util.List[String] = {
-    var users = jobService.getAlertUsers(job)
-    if (users == null) {
-      users = new util.ArrayList[String]()
+    val allUsers = new util.LinkedHashSet[String]()
+    val alertUsers = jobService.getAlertUsers(job)
+    if (alertUsers!= null) {
+      alertUsers.foreach(user => {
+        allUsers.add(user)
+      })
     }
-    users.addAll(util.Arrays.asList(JobConf.STREAMIS_DEVELOPER.getValue.split(","):_*))
-    users
+    allUsers.add(job.getSubmitUser)
+    allUsers.add(job.getCreateBy)
+    util.Arrays.asList(JobConf.STREAMIS_DEVELOPER.getValue.split(","):_*).foreach(user => {
+      allUsers.add(user)
+    })
+    new util.ArrayList[String](allUsers)
   }
 
   protected def alert(alertLevel: AlertLevel, alertMsg: String, users: util.List[String], streamTask:StreamTask): Unit = alerters.foreach{ alerter =>