| /** |
| * 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.mapreduce.v2.app.job.impl; |
| |
| 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.v2.api.records.JobState; |
| import org.apache.hadoop.mapreduce.v2.app.AppContext; |
| import org.apache.hadoop.mapreduce.v2.app.MRApp; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncher; |
| import org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherEvent; |
| import org.apache.hadoop.mapreduce.v2.app.launcher.ContainerRemoteLaunchEvent; |
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; |
| import org.junit.Test; |
| |
| public class TestMapReduceChildJVM { |
| |
| private static final Log LOG = LogFactory.getLog(TestMapReduceChildJVM.class); |
| |
| @Test |
| public void testCommandLine() throws Exception { |
| |
| MyMRApp app = new MyMRApp(1, 0, true, this.getClass().getName(), true); |
| Job job = app.submit(new Configuration()); |
| app.waitForState(job, JobState.SUCCEEDED); |
| app.verifyCompleted(); |
| |
| Assert.assertEquals( |
| "[exec $JAVA_HOME/bin/java" + |
| " -Djava.net.preferIPv4Stack=true" + |
| " -Dhadoop.metrics.log.level=WARN" + |
| " -Xmx200m -Djava.io.tmpdir=$PWD/tmp" + |
| " -Dlog4j.configuration=container-log4j.properties" + |
| " -Dyarn.app.mapreduce.container.log.dir=<LOG_DIR>" + |
| " -Dyarn.app.mapreduce.container.log.filesize=0" + |
| " -Dhadoop.root.logger=INFO,CLA" + |
| " org.apache.hadoop.mapred.YarnChild 127.0.0.1" + |
| " 54321" + |
| " attempt_0_0000_m_000000_0" + |
| " 0" + |
| " 1><LOG_DIR>/stdout" + |
| " 2><LOG_DIR>/stderr ]", app.myCommandLine); |
| } |
| |
| private static final class MyMRApp extends MRApp { |
| |
| private String myCommandLine; |
| |
| public MyMRApp(int maps, int reduces, boolean autoComplete, |
| String testName, boolean cleanOnStart) { |
| super(maps, reduces, autoComplete, testName, cleanOnStart); |
| } |
| |
| @Override |
| protected ContainerLauncher createContainerLauncher(AppContext context) { |
| return new MockContainerLauncher() { |
| @Override |
| public void handle(ContainerLauncherEvent event) { |
| if (event.getType() == EventType.CONTAINER_REMOTE_LAUNCH) { |
| ContainerRemoteLaunchEvent launchEvent = (ContainerRemoteLaunchEvent) event; |
| ContainerLaunchContext launchContext = launchEvent.getContainer(); |
| String cmdString = launchContext.getCommands().toString(); |
| LOG.info("launchContext " + cmdString); |
| myCommandLine = cmdString; |
| } |
| super.handle(event); |
| } |
| }; |
| } |
| } |
| } |