| /** |
| * 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.hadoop.mapred; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.SleepJob; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.hadoop.mapreduce.JobID; |
| import org.apache.hadoop.mapreduce.test.system.FinishTaskControlAction; |
| import org.apache.hadoop.mapreduce.test.system.JTProtocol; |
| import org.apache.hadoop.mapreduce.test.system.JobInfo; |
| import org.apache.hadoop.mapreduce.test.system.MRCluster; |
| import org.apache.hadoop.mapreduce.test.system.TTClient; |
| import org.apache.hadoop.mapreduce.test.system.TaskInfo; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestControlledJob { |
| private MRCluster cluster; |
| |
| private static final Log LOG = LogFactory.getLog(TestControlledJob.class); |
| |
| public TestControlledJob() throws Exception { |
| cluster = MRCluster.createCluster(new Configuration()); |
| } |
| |
| @Before |
| public void before() throws Exception { |
| cluster.setUp(); |
| } |
| |
| @After |
| public void after() throws Exception { |
| cluster.tearDown(); |
| } |
| |
| @Test |
| public void testControlledJob() throws Exception { |
| Configuration conf = new Configuration(cluster.getConf()); |
| JTProtocol wovenClient = cluster.getJTClient().getProxy(); |
| FinishTaskControlAction.configureControlActionForJob(conf); |
| SleepJob job = new SleepJob(); |
| job.setConf(conf); |
| |
| Job slpJob = job.createJob(1, 0, 100, 100, 100, 100); |
| slpJob.submit(); |
| JobClient client = cluster.getJTClient().getClient(); |
| |
| RunningJob rJob = |
| client.getJob(org.apache.hadoop.mapred.JobID.downgrade(slpJob |
| .getJobID())); |
| JobID id = rJob.getID(); |
| |
| JobInfo jInfo = wovenClient.getJobInfo(id); |
| |
| while (jInfo.getStatus().getRunState() != JobStatus.RUNNING) { |
| Thread.sleep(1000); |
| jInfo = wovenClient.getJobInfo(id); |
| } |
| |
| LOG.info("Waiting till job starts running one map"); |
| jInfo = wovenClient.getJobInfo(id); |
| Assert.assertEquals(jInfo.runningMaps(), 1); |
| |
| LOG.info("waiting for another cycle to " |
| + "check if the maps dont finish off"); |
| Thread.sleep(1000); |
| jInfo = wovenClient.getJobInfo(id); |
| Assert.assertEquals(jInfo.runningMaps(), 1); |
| |
| TaskInfo[] taskInfos = wovenClient.getTaskInfo(id); |
| |
| for (TaskInfo info : taskInfos) { |
| LOG.info("constructing control action to signal task to finish"); |
| FinishTaskControlAction action = |
| new FinishTaskControlAction(TaskID.downgrade(info.getTaskID())); |
| for (TTClient cli : cluster.getTTClients()) { |
| cli.getProxy().sendAction(action); |
| } |
| } |
| |
| jInfo = wovenClient.getJobInfo(id); |
| int i = 1; |
| if (jInfo != null) { |
| while (!jInfo.getStatus().isJobComplete()) { |
| Thread.sleep(1000); |
| jInfo = wovenClient.getJobInfo(id); |
| if (jInfo == null) { |
| break; |
| } |
| if (i > 40) { |
| Assert.fail("Controlled Job with ID : " |
| + jInfo.getID() |
| + " has not completed in 40 seconds after signalling."); |
| } |
| i++; |
| } |
| } |
| LOG.info("Job sucessfully completed after signalling!!!!"); |
| } |
| } |