the process cannot be terminated while tasks in the status submit success. (#1070)

* update english documents

* refactor zk client

* update documents

* update zkclient

* update zkclient

* update documents

* add architecture-design

* change i18n

* update i18n

* update english documents

* add architecture-design

* update english documents

* update en-US documents

* add architecture-design

* update demo site

* add mybatis plus model

* modify mybatisplus

* modify mybatisplus

* change interface by mybatisplus

* add unit test

* refactor dao interface.

* add unit test for dao...

* add unit test for dao...

* add unit test for dao...

* Merge remote-tracking branch 'upstream/dev-db' into dev-db

# Conflicts:
#	dolphinscheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ProjectMapper.xml
#	dolphinscheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ScheduleMapper.xml
#	escheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ProcessInstanceMapper.xml
#	escheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ProjectUserMapper.xml
#	escheduler-dao/src/main/resources/cn.escheduler.dao.mapper/QueueMapper.xml
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ProcessInstanceMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ProjectUserMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/QueueMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ResourceUserMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ScheduleMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/SessionMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/TenantMapperTest.java

* Merge remote-tracking branch 'upstream/dev-db' into dev-db

# Conflicts:
#	dolphinscheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ProjectMapper.xml
#	dolphinscheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ScheduleMapper.xml
#	escheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ProcessInstanceMapper.xml
#	escheduler-dao/src/main/resources/cn.escheduler.dao.mapper/ProjectUserMapper.xml
#	escheduler-dao/src/main/resources/cn.escheduler.dao.mapper/QueueMapper.xml
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ProcessInstanceMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ProjectUserMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/QueueMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ResourceUserMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/ScheduleMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/SessionMapperTest.java
#	escheduler-dao/src/test/java/cn/escheduler/dao/mapper/TenantMapperTest.java

* Merge remote-tracking branch 'upstream/dev-db' into dev-db

# Conflicts:
#	dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/ProjectMapper.xml
#	dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/ResourceMapper.xml
#	dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/TaskInstanceMapper.xml

* update some dao bugs

* update for some bugs

* update some bugs

* Merge remote-tracking branch 'upstream/dev-db' into dev-db

# Conflicts:
#	dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/ProjectMapper.xml
#	dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/ResourceMapper.xml
#	dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/TaskInstanceMapper.xml

* update

* update

* add multiply settings for application.yml

* add multiply settings for application.yml

* revert

* update configuration settings in task record dao...

* change application_master to application-master

* change application_master to application-master

* update application.yml to application.properties

* revert

* revert

* add properties

* add properties

* revert

* revert

* add api start up..
add alert send try catch

* update dao info level

* fix bug: task cannot submit when recovery failover

* fix bug: task cannot submit when recovery failover

* merge from dev-db

* revert

* revert

* fix bug: get process definition list failed.

* fix bug: process instance interval is error

* revert

* revert

* update

* support stop submit success tasks

* update kill process

* update for stop process

* update for stop process

* add some logs for stop process

* update for small bug.

* add check strategy before submit task

* revert

* update

* update

* revert

* wait task instance exists if null.

* revert

* update

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/Constants.java

@@ -484,6 +484,7 @@ public final class Constants {
     public static final String USER = "user";
     public static final String PASSWORD = "password";
     public static final String XXXXXX = "******";
+    public static final String NULL = "NULL";
 
     public static  String TASK_RECORD_TABLE_HIVE_LOG = "eamp_hive_log_hd";
 

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/ProcessDao.java

@@ -1023,13 +1023,18 @@ public class ProcessDao extends AbstractBaseDao {
      * @param taskInstance
      * @return
      */
-    private String taskZkInfo(TaskInstance taskInstance) {
+    public String taskZkInfo(TaskInstance taskInstance) {
 
         int taskWorkerGroupId = getTaskWorkerGroupId(taskInstance);
+        ProcessInstance processInstance = this.findProcessInstanceById(taskInstance.getProcessInstanceId());
+        if(processInstance == null){
+            logger.error("process instance is null. please check the task info, task id: " + taskInstance.getId());
+            return "";
+        }
 
         StringBuilder sb = new StringBuilder(100);
 
-        sb.append(taskInstance.getProcessInstancePriority().ordinal()).append(Constants.UNDERLINE)
+        sb.append(processInstance.getProcessInstancePriority().ordinal()).append(Constants.UNDERLINE)
                 .append(taskInstance.getProcessInstanceId()).append(Constants.UNDERLINE)
                 .append(taskInstance.getTaskInstancePriority().ordinal()).append(Constants.UNDERLINE)
                 .append(taskInstance.getId()).append(Constants.UNDERLINE);
@@ -1102,7 +1107,8 @@ public class ProcessDao extends AbstractBaseDao {
         // or return submit success
         if( processInstanceState == ExecutionStatus.READY_PAUSE){
             state = ExecutionStatus.PAUSE;
-        }else if(processInstanceState == ExecutionStatus.READY_STOP) {
+        }else if(processInstanceState == ExecutionStatus.READY_STOP
+                || !checkProcessStrategy(taskInstance)) {
             state = ExecutionStatus.KILL;
         }else{
             state = ExecutionStatus.SUBMITTED_SUCCESS;
@@ -1110,6 +1116,22 @@ public class ProcessDao extends AbstractBaseDao {
         return state;
     }
 
+    private boolean checkProcessStrategy(TaskInstance taskInstance){
+        ProcessInstance processInstance = this.findProcessInstanceById(taskInstance.getProcessInstanceId());
+        FailureStrategy failureStrategy = processInstance.getFailureStrategy();
+        if(failureStrategy == FailureStrategy.CONTINUE){
+            return true;
+        }
+        List<TaskInstance> taskInstances = this.findValidTaskListByProcessId(taskInstance.getProcessInstanceId());
+
+        for(TaskInstance task : taskInstances){
+            if(task.getState() == ExecutionStatus.FAILURE){
+                return false;
+            }
+        }
+        return true;
+    }
+
     /**
      * check the task instance existing in queue
      * @return
@@ -1216,9 +1238,12 @@ public class ProcessDao extends AbstractBaseDao {
      * @param taskInstId
      * @return
      */
-    public TaskInstance getTaskInstanceRelationByTaskId(int taskInstId){
+    public TaskInstance getTaskInstanceDetailByTaskId(int taskInstId){
         // get task instance
         TaskInstance taskInstance = findTaskInstanceById(taskInstId);
+        if(taskInstance == null){
+            return taskInstance;
+        }
         // get process instance
         ProcessInstance processInstance = findProcessInstanceDetailById(taskInstance.getProcessInstanceId());
         // get process define

dolphinscheduler-dao/src/main/resources/application.properties

@@ -90,4 +90,4 @@ task.record.datasource.username=xx
 task.record.datasource.password=xx
 
 # Logger Config
-logging.level.org.apache.dolphinscheduler.dao=debug
+#logging.level.org.apache.dolphinscheduler.dao=debug

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/runner/MasterTaskExecThread.java

@@ -129,12 +129,16 @@ public class MasterTaskExecThread extends MasterBaseTaskExecThread {
      *  task instance add queue , waiting worker to kill
      */
     private void cancelTaskInstance(){
-        if(alreadyKilled || taskInstance.getHost() == null){
+        if(alreadyKilled){
             return ;
         }
         alreadyKilled = true;
+        String host = taskInstance.getHost();
+        if(host == null){
+            host = Constants.NULL;
+        }
         String queueValue = String.format("%s-%d",
-                taskInstance.getHost(), taskInstance.getId());
+                host, taskInstance.getId());
         taskQueue.sadd(DOLPHINSCHEDULER_TASKS_KILL, queueValue);
 
         logger.info("master add kill task :{} id:{} to kill queue",

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/WorkerServer.java

@@ -19,6 +19,7 @@ package org.apache.dolphinscheduler.server.worker;
 import org.apache.commons.configuration.ConfigurationException;
 import org.apache.commons.configuration.PropertiesConfiguration;
 import org.apache.commons.lang.StringUtils;
+import org.apache.curator.framework.recipes.locks.InterProcessMutex;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.ExecutionStatus;
 import org.apache.dolphinscheduler.common.enums.TaskType;
@@ -29,6 +30,7 @@ import org.apache.dolphinscheduler.common.thread.ThreadPoolExecutors;
 import org.apache.dolphinscheduler.common.thread.ThreadUtils;
 import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.OSUtils;
+import org.apache.dolphinscheduler.common.zk.AbstractZKClient;
 import org.apache.dolphinscheduler.dao.AlertDao;
 import org.apache.dolphinscheduler.dao.DaoFactory;
 import org.apache.dolphinscheduler.dao.ProcessDao;
@@ -302,24 +304,8 @@ public class WorkerServer extends AbstractServer {
                     // if set is null , return
                     if (CollectionUtils.isNotEmpty(taskInfoSet)){
                         for (String taskInfo : taskInfoSet){
-                            // task info start with current host
+                            killTask(taskInfo, processDao);
-                            if (taskInfo.startsWith(OSUtils.getHost())){
+                            removeKillInfoFromQueue(taskInfo);
-                                String[] taskInfoArr = taskInfo.split("-");
-                                if (taskInfoArr.length != 2){
-                                    continue;
-                                }else {
-                                    int taskInstId=Integer.parseInt(taskInfoArr[1]);
-                                    TaskInstance taskInstance = processDao.getTaskInstanceRelationByTaskId(taskInstId);
-
-                                    if(taskInstance.getTaskType().equals(TaskType.DEPENDENT.toString())){
-                                        taskInstance.setState(ExecutionStatus.KILL);
-                                        processDao.saveTaskInstance(taskInstance);
-                                    }else{
-                                        ProcessUtils.kill(taskInstance);
-                                    }
-                                    taskQueue.srem(Constants.DOLPHINSCHEDULER_TASKS_KILL,taskInfo);
-                                }
-                            }
                         }
                     }
 
@@ -330,5 +316,61 @@ public class WorkerServer extends AbstractServer {
         return killProcessThread;
     }
 
+    private void killTask(String taskInfo, ProcessDao pd) {
+        logger.info("get one kill command from tasks kill queue: " + taskInfo);
+        String[] taskInfoArray = taskInfo.split("-");
+        if(taskInfoArray.length != 2){
+            logger.error("error format kill info: " + taskInfo);
+            return ;
+        }
+        String host = taskInfoArray[0];
+        int taskInstanceId = Integer.parseInt(taskInfoArray[1]);
+        TaskInstance taskInstance = pd.getTaskInstanceDetailByTaskId(taskInstanceId);
+        if(taskInstance == null){
+            logger.error("cannot find the kill task :" + taskInfo);
+            return;
+        }
+
+        if(host.equals(Constants.NULL) && StringUtils.isEmpty(taskInstance.getHost())){
+            deleteTaskFromQueue(taskInstance, pd);
+            taskInstance.setState(ExecutionStatus.KILL);
+            pd.saveTaskInstance(taskInstance);
+        }else{
+            if(taskInstance.getTaskType().equals(TaskType.DEPENDENT.toString())){
+                taskInstance.setState(ExecutionStatus.KILL);
+                pd.saveTaskInstance(taskInstance);
+            }else if(!taskInstance.getState().typeIsFinished()){
+                ProcessUtils.kill(taskInstance);
+            }else{
+                logger.info("the task aleady finish: task id: " + taskInstance.getId()
+                        + " state: " + taskInstance.getState().toString());
+            }
+        }
+    }
+
+    private void deleteTaskFromQueue(TaskInstance taskInstance, ProcessDao pd){
+        // creating distributed locks, lock path /dolphinscheduler/lock/worker
+        InterProcessMutex mutex = null;
+        logger.info("delete task from tasks queue: " + taskInstance.getId());
+
+        try {
+            mutex = zkWorkerClient.acquireZkLock(zkWorkerClient.getZkClient(),
+                    zkWorkerClient.getWorkerLockPath());
+            if(pd.checkTaskExistsInTaskQueue(taskInstance)){
+                String taskQueueStr = pd.taskZkInfo(taskInstance);
+                taskQueue.removeNode(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, taskQueueStr);
+            }
+
+        } catch (Exception e){
+            logger.error("remove task thread failure" ,e);
+        }finally {
+            AbstractZKClient.releaseMutex(mutex);
+        }
+    }
+
+    private void removeKillInfoFromQueue(String taskInfo){
+        taskQueue.srem(Constants.DOLPHINSCHEDULER_TASKS_KILL,taskInfo);
+    }
+
 }
 

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/FetchTaskThread.java

@@ -104,6 +104,7 @@ public class FetchTaskThread implements Runnable{
         this.workerExecService = ThreadUtils.newDaemonFixedThreadExecutor("Worker-Fetch-Task-Thread",workerExecNums);
         this.conf = conf;
         this.taskQueue = taskQueue;
+        this.taskInstance = null;
     }
 
     /**
@@ -177,13 +178,15 @@ public class FetchTaskThread implements Runnable{
                     // get task instance id
                     taskInstId = getTaskInstanceId(taskQueueStr);
 
-                    // get task instance relation
+                    // mainly to wait for the master insert task to succeed
-                    taskInstance = processDao.getTaskInstanceRelationByTaskId(taskInstId);
+                    waitForMasterEnterQueue();
+
+                    taskInstance = processDao.getTaskInstanceDetailByTaskId(taskInstId);
 
                     // verify task instance is null
                     if (verifyTaskInstanceIsNull(taskInstance)) {
                         logger.warn("remove task queue : {} due to taskInstance is null", taskQueueStr);
-                        taskQueue.removeNode(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, taskQueueStr);
+                        removeNodeFromTaskQueue(taskQueueStr);
                         continue;
                     }
 
@@ -193,7 +196,7 @@ public class FetchTaskThread implements Runnable{
                     // verify tenant is null
                     if (verifyTenantIsNull(tenant)) {
                         logger.warn("remove task queue : {} due to tenant is null", taskQueueStr);
-                        taskQueue.removeNode(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, taskQueueStr);
+                        removeNodeFromTaskQueue(taskQueueStr);
                         continue;
                     }
 
@@ -204,8 +207,6 @@ public class FetchTaskThread implements Runnable{
 
                     logger.info("worker fetch taskId : {} from queue ", taskInstId);
 
-                    // mainly to wait for the master insert task to succeed
-                    waitForMasterEnterQueue();
 
                     if(!checkWorkerGroup(taskInstance, OSUtils.getHost())){
                         continue;
@@ -230,7 +231,7 @@ public class FetchTaskThread implements Runnable{
                     workerExecService.submit(new TaskScheduleThread(taskInstance, processDao));
 
                     // remove node from zk
-                    taskQueue.removeNode(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, taskQueueStr);
+                    removeNodeFromTaskQueue(taskQueueStr);
                 }
 
             }catch (Exception e){
@@ -241,6 +242,10 @@ public class FetchTaskThread implements Runnable{
         }
     }
 
+    private void removeNodeFromTaskQueue(String taskQueueStr){
+        taskQueue.removeNode(Constants.DOLPHINSCHEDULER_TASKS_QUEUE, taskQueueStr);
+    }
+
     /**
      * verify task instance is null
      * @return
@@ -304,7 +309,6 @@ public class FetchTaskThread implements Runnable{
      */
     private void waitForMasterEnterQueue()throws Exception{
         int retryTimes = 30;
-
         while (taskInstance == null && retryTimes > 0) {
             Thread.sleep(Constants.SLEEP_TIME_MILLIS);
             taskInstance = processDao.findTaskInstanceById(taskInstId);

dolphinscheduler-server/src/main/resources/master.properties

@@ -15,7 +15,7 @@ master.task.commit.interval=100
 
 
 # only less than cpu avg load, master server can work. default value : the number of cpu cores * 2
-#master.max.cpuload.avg=100
+master.max.cpuload.avg=100
 
 # only larger than reserved memory, master server can work. default value : physical memory * 1/10, unit is G.
 master.reserved.memory=0.1