/**
* 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;
import java.io.File;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.mapred.LocalContainerLauncher;
import org.apache.hadoop.mapred.ShuffleHandler;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer;
import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils;
import org.apache.hadoop.util.JarFinder;
import org.apache.hadoop.yarn.YarnException;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.MiniYARNCluster;
import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
import org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor;
import org.apache.hadoop.yarn.service.AbstractService;
import org.apache.hadoop.yarn.service.Service;
/**
* Configures and starts the MR-specific components in the YARN cluster.
*
*/
public class MiniMRYarnCluster extends MiniYARNCluster {
public static final String APPJAR = JarFinder.getJar(LocalContainerLauncher.class);
private static final Log LOG = LogFactory.getLog(MiniMRYarnCluster.class);
private JobHistoryServer historyServer;
private JobHistoryServerWrapper historyServerWrapper;
public MiniMRYarnCluster(String testName) {
this(testName, 1);
}
public MiniMRYarnCluster(String testName, int noOfNMs) {
super(testName, noOfNMs, 4, 4);
//TODO: add the history server
historyServerWrapper = new JobHistoryServerWrapper();
addService(historyServerWrapper);
}
@Override
public void init(Configuration conf) {
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
if (conf.get(MRJobConfig.MR_AM_STAGING_DIR) == null) {
conf.set(MRJobConfig.MR_AM_STAGING_DIR, new File(getTestWorkDir(),
"apps_staging_dir/").getAbsolutePath());
}
conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, "000");
try {
Path stagingPath = FileContext.getFileContext(conf).makeQualified(
new Path(conf.get(MRJobConfig.MR_AM_STAGING_DIR)));
FileContext fc=FileContext.getFileContext(stagingPath.toUri(), conf);
if (fc.util().exists(stagingPath)) {
LOG.info(stagingPath + " exists! deleting...");
fc.delete(stagingPath, true);
}
LOG.info("mkdir: " + stagingPath);
//mkdir the staging directory so that right permissions are set while running as proxy user
fc.mkdir(stagingPath, null, true);
//mkdir done directory as well
String doneDir = JobHistoryUtils.getConfiguredHistoryServerDoneDirPrefix(conf);
Path doneDirPath = fc.makeQualified(new Path(doneDir));
fc.mkdir(doneDirPath, null, true);
} catch (IOException e) {
throw new YarnException("Could not create staging directory. ", e);
}
conf.set(MRConfig.MASTER_ADDRESS, "test"); // The default is local because of
// which shuffle doesn't happen
//configure the shuffle service in NM
conf.setStrings(YarnConfiguration.NM_AUX_SERVICES,
new String[] { ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID });
conf.setClass(String.format(YarnConfiguration.NM_AUX_SERVICE_FMT,
ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID), ShuffleHandler.class,
Service.class);
// Non-standard shuffle port
conf.setInt(ShuffleHandler.SHUFFLE_PORT_CONFIG_KEY, 0);
conf.setClass(YarnConfiguration.NM_CONTAINER_EXECUTOR,
DefaultContainerExecutor.class, ContainerExecutor.class);
// TestMRJobs is for testing non-uberized operation only; see TestUberAM
// for corresponding uberized tests.
conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false);
// Set config for JH Server
conf.set(JHAdminConfig.MR_HISTORY_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_ADDRESS);
super.init(conf);
}
private class JobHistoryServerWrapper extends AbstractService {
public JobHistoryServerWrapper() {
super(JobHistoryServerWrapper.class.getName());
}
@Override
public synchronized void start() {
try {
historyServer = new JobHistoryServer();
historyServer.init(getConfig());
new Thread() {
public void run() {
historyServer.start();
};
}.start();
while (historyServer.getServiceState() == STATE.INITED) {
LOG.info("Waiting for HistoryServer to start...");
Thread.sleep(1500);
}
//TODO Add a timeout. State.STOPPED check ?
if (historyServer.getServiceState() != STATE.STARTED) {
throw new IOException("HistoryServer failed to start");
}
super.start();
} catch (Throwable t) {
throw new YarnException(t);
}
}
@Override
public synchronized void stop() {
if (historyServer != null) {
historyServer.stop();
}
super.stop();
}
}
public JobHistoryServer getHistoryServer() {
return this.historyServer;
}
}