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Merge pull request #1700 from fordeal-smalldata/fix-task-zknode-miss

Fixed tasks_queue and tasks_kill did not exist in zookeeper #1696
pull/2/head
Tboy 5 years ago committed by GitHub
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  1. 33
      dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/queue/TaskQueueZkImpl.java

33
dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/queue/TaskQueueZkImpl.java

@ -37,8 +37,27 @@ public class TaskQueueZkImpl implements ITaskQueue {
private static final Logger logger = LoggerFactory.getLogger(TaskQueueZkImpl.class);
private final ZookeeperOperator zookeeperOperator;
@Autowired
private ZookeeperOperator zookeeperOperator;
public TaskQueueZkImpl(ZookeeperOperator zookeeperOperator) {
this.zookeeperOperator = zookeeperOperator;
try {
String tasksQueuePath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_QUEUE);
String tasksKillPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
for (String key : new String[]{tasksQueuePath,tasksKillPath}){
if (!zookeeperOperator.isExisted(key)){
zookeeperOperator.persist(key, "");
logger.info("create tasks queue parent node success : {}", key);
}
}
} catch (Exception e) {
logger.error("create tasks queue parent node failure", e);
}
}
/**
* get all tasks from tasks queue
@ -321,14 +340,14 @@ public class TaskQueueZkImpl implements ITaskQueue {
public void delete(){
try {
String tasksQueuePath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_QUEUE);
String tasksCancelPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
String tasksKillPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
for(String taskQueuePath : new String[]{tasksQueuePath,tasksCancelPath}){
if(zookeeperOperator.isExisted(taskQueuePath)){
List<String> list = zookeeperOperator.getChildrenKeys(taskQueuePath);
for (String key : new String[]{tasksQueuePath,tasksKillPath}){
if (zookeeperOperator.isExisted(key)){
List<String> list = zookeeperOperator.getChildrenKeys(key);
for (String task : list) {
zookeeperOperator.remove(taskQueuePath + Constants.SINGLE_SLASH + task);
logger.info("delete task from tasks queue : {}/{} ",taskQueuePath,task);
zookeeperOperator.remove(key + Constants.SINGLE_SLASH + task);
logger.info("delete task from tasks queue : {}/{} ", key, task);
}
}
}

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