| /* |
| * 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.shardingsphere.elasticjob.cloud.executor; |
| |
| import org.apache.shardingsphere.elasticjob.cloud.api.ElasticJob; |
| import org.apache.shardingsphere.elasticjob.cloud.api.script.ScriptJob; |
| import org.apache.shardingsphere.elasticjob.cloud.event.JobEventBus; |
| import org.apache.shardingsphere.elasticjob.cloud.event.rdb.JobEventRdbConfiguration; |
| import org.apache.shardingsphere.elasticjob.cloud.exception.ExceptionUtil; |
| import org.apache.shardingsphere.elasticjob.cloud.exception.JobSystemException; |
| import org.apache.shardingsphere.elasticjob.cloud.util.concurrent.ExecutorServiceObject; |
| import com.google.common.base.Strings; |
| import lombok.RequiredArgsConstructor; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.commons.dbcp.BasicDataSource; |
| import org.apache.commons.lang3.SerializationUtils; |
| import org.apache.mesos.Executor; |
| import org.apache.mesos.ExecutorDriver; |
| import org.apache.mesos.Protos; |
| import org.apache.mesos.Protos.TaskInfo; |
| import org.springframework.context.support.ClassPathXmlApplicationContext; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.ExecutorService; |
| |
| /** |
| * Task executor. |
| */ |
| @Slf4j |
| public final class TaskExecutor implements Executor { |
| |
| private final ExecutorService executorService; |
| |
| private final Map<String, ClassPathXmlApplicationContext> applicationContexts = new HashMap<>(); |
| |
| private volatile JobEventBus jobEventBus = new JobEventBus(); |
| |
| public TaskExecutor() { |
| executorService = new ExecutorServiceObject("cloud-task-executor", Runtime.getRuntime().availableProcessors() * 100).createExecutorService(); |
| } |
| |
| @Override |
| public void registered(final ExecutorDriver executorDriver, final Protos.ExecutorInfo executorInfo, final Protos.FrameworkInfo frameworkInfo, final Protos.SlaveInfo slaveInfo) { |
| if (!executorInfo.getData().isEmpty()) { |
| Map<String, String> data = SerializationUtils.deserialize(executorInfo.getData().toByteArray()); |
| BasicDataSource dataSource = new BasicDataSource(); |
| dataSource.setDriverClassName(data.get("event_trace_rdb_driver")); |
| dataSource.setUrl(data.get("event_trace_rdb_url")); |
| dataSource.setPassword(data.get("event_trace_rdb_password")); |
| dataSource.setUsername(data.get("event_trace_rdb_username")); |
| jobEventBus = new JobEventBus(new JobEventRdbConfiguration(dataSource)); |
| } |
| } |
| |
| @Override |
| public void reregistered(final ExecutorDriver executorDriver, final Protos.SlaveInfo slaveInfo) { |
| } |
| |
| @Override |
| public void disconnected(final ExecutorDriver executorDriver) { |
| } |
| |
| @Override |
| public void launchTask(final ExecutorDriver executorDriver, final Protos.TaskInfo taskInfo) { |
| executorService.submit(new TaskThread(executorDriver, taskInfo)); |
| } |
| |
| @Override |
| public void killTask(final ExecutorDriver executorDriver, final Protos.TaskID taskID) { |
| executorDriver.sendStatusUpdate(Protos.TaskStatus.newBuilder().setTaskId(taskID).setState(Protos.TaskState.TASK_KILLED).build()); |
| DaemonTaskScheduler.shutdown(taskID); |
| } |
| |
| @Override |
| public void frameworkMessage(final ExecutorDriver executorDriver, final byte[] bytes) { |
| if (null != bytes && "STOP".equals(new String(bytes))) { |
| log.error("call frameworkMessage executor stopped."); |
| executorDriver.stop(); |
| } |
| } |
| |
| @Override |
| public void shutdown(final ExecutorDriver executorDriver) { |
| } |
| |
| @Override |
| public void error(final ExecutorDriver executorDriver, final String message) { |
| log.error("call executor error, message is: {}", message); |
| } |
| |
| @RequiredArgsConstructor |
| class TaskThread implements Runnable { |
| |
| private final ExecutorDriver executorDriver; |
| |
| private final TaskInfo taskInfo; |
| |
| @Override |
| public void run() { |
| Thread.currentThread().setContextClassLoader(TaskThread.class.getClassLoader()); |
| executorDriver.sendStatusUpdate(Protos.TaskStatus.newBuilder().setTaskId(taskInfo.getTaskId()).setState(Protos.TaskState.TASK_RUNNING).build()); |
| Map<String, Object> data = SerializationUtils.deserialize(taskInfo.getData().toByteArray()); |
| ShardingContexts shardingContexts = (ShardingContexts) data.get("shardingContext"); |
| @SuppressWarnings("unchecked") |
| JobConfigurationContext jobConfig = new JobConfigurationContext((Map<String, String>) data.get("jobConfigContext")); |
| try { |
| ElasticJob elasticJob = getElasticJobInstance(jobConfig); |
| final CloudJobFacade jobFacade = new CloudJobFacade(shardingContexts, jobConfig, jobEventBus); |
| if (jobConfig.isTransient()) { |
| JobExecutorFactory.getJobExecutor(elasticJob, jobFacade).execute(); |
| executorDriver.sendStatusUpdate(Protos.TaskStatus.newBuilder().setTaskId(taskInfo.getTaskId()).setState(Protos.TaskState.TASK_FINISHED).build()); |
| } else { |
| new DaemonTaskScheduler(elasticJob, jobConfig, jobFacade, executorDriver, taskInfo.getTaskId()).init(); |
| } |
| // CHECKSTYLE:OFF |
| } catch (final Throwable ex) { |
| // CHECKSTYLE:ON |
| log.error("Elastic-Job-Cloud-Executor error", ex); |
| executorDriver.sendStatusUpdate(Protos.TaskStatus.newBuilder().setTaskId(taskInfo.getTaskId()).setState(Protos.TaskState.TASK_ERROR).setMessage(ExceptionUtil.transform(ex)).build()); |
| executorDriver.stop(); |
| throw ex; |
| } |
| } |
| |
| private ElasticJob getElasticJobInstance(final JobConfigurationContext jobConfig) { |
| if (!Strings.isNullOrEmpty(jobConfig.getBeanName()) && !Strings.isNullOrEmpty(jobConfig.getApplicationContext())) { |
| return getElasticJobBean(jobConfig); |
| } else { |
| return getElasticJobClass(jobConfig); |
| } |
| } |
| |
| private ElasticJob getElasticJobBean(final JobConfigurationContext jobConfig) { |
| String applicationContextFile = jobConfig.getApplicationContext(); |
| if (null == applicationContexts.get(applicationContextFile)) { |
| synchronized (applicationContexts) { |
| if (null == applicationContexts.get(applicationContextFile)) { |
| applicationContexts.put(applicationContextFile, new ClassPathXmlApplicationContext(applicationContextFile)); |
| } |
| } |
| } |
| return (ElasticJob) applicationContexts.get(applicationContextFile).getBean(jobConfig.getBeanName()); |
| } |
| |
| private ElasticJob getElasticJobClass(final JobConfigurationContext jobConfig) { |
| String jobClass = jobConfig.getTypeConfig().getJobClass(); |
| try { |
| Class<?> elasticJobClass = Class.forName(jobClass); |
| if (!ElasticJob.class.isAssignableFrom(elasticJobClass)) { |
| throw new JobSystemException("Elastic-Job: Class '%s' must implements ElasticJob interface.", jobClass); |
| } |
| if (elasticJobClass != ScriptJob.class) { |
| return (ElasticJob) elasticJobClass.newInstance(); |
| } |
| return null; |
| } catch (final ReflectiveOperationException ex) { |
| throw new JobSystemException("Elastic-Job: Class '%s' initialize failure, the error message is '%s'.", jobClass, ex.getMessage()); |
| } |
| } |
| } |
| } |