分布式调度框架。
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.dolphinscheduler.server.master.runner.operator;
import org.apache.dolphinscheduler.dao.entity.TaskInstance;
import org.apache.dolphinscheduler.dao.repository.TaskInstanceDao;
import org.apache.dolphinscheduler.plugin.task.api.enums.TaskExecutionStatus;
import org.apache.dolphinscheduler.plugin.task.api.enums.TaskTimeoutStrategy;
import org.apache.dolphinscheduler.server.master.runner.DefaultTaskExecuteRunnable;
import java.util.Date;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public abstract class BaseTaskExecuteRunnableTimeoutOperator implements TaskExecuteRunnableOperator {
private TaskInstanceDao taskInstanceDao;
public BaseTaskExecuteRunnableTimeoutOperator(TaskInstanceDao taskInstanceDao) {
this.taskInstanceDao = taskInstanceDao;
}
@Override
public void operate(DefaultTaskExecuteRunnable taskExecuteRunnable) {
// Right now, if the task is running in worker, the timeout strategy will be handled at worker side.
// if the task is in master, the timeout strategy will be handled at master side.
// todo: we should unify this, the master only need to handle the timeout strategy. and send request to worker
// to kill the task, if the strategy is timeout_failed.
TaskInstance taskInstance = taskExecuteRunnable.getTaskInstance();
TaskTimeoutStrategy taskTimeoutStrategy = taskInstance.getTaskDefine().getTimeoutNotifyStrategy();
if (TaskTimeoutStrategy.FAILED != taskTimeoutStrategy
&& TaskTimeoutStrategy.WARNFAILED != taskTimeoutStrategy) {
log.warn("TaskInstance: {} timeout, the current timeout strategy is {}, will continue running",
taskInstance.getName(), taskTimeoutStrategy.name());
return;
}
try {
timeoutTaskInstanceInDB(taskInstance);
killRemoteTaskInstanceInThreadPool(taskInstance);
log.info("TaskInstance: {} timeout, killed the task instance", taskInstance.getName());
} catch (Exception ex) {
log.error("TaskInstance timeout {} failed", taskInstance.getName(), ex);
}
}
protected abstract void killRemoteTaskInstanceInThreadPool(TaskInstance taskInstance);
private void timeoutTaskInstanceInDB(TaskInstance taskInstance) {
taskInstance.setState(TaskExecutionStatus.FAILURE);
taskInstance.setEndTime(new Date());
taskInstanceDao.updateById(taskInstance);
}
}