/**
* 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 java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.LocalFileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.http.HttpConfig;
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.mapreduce.v2.util.MRWebAppUtil;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.service.AbstractService;
import org.apache.hadoop.service.Service;
import org.apache.hadoop.util.JarFinder;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
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.webapp.util.WebAppUtils;
/**
* Configures and starts the MR-specific components in the YARN cluster.
*
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
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);
}
public static String getResolvedMRHistoryWebAppURLWithoutScheme(
Configuration conf, boolean isSSLEnabled) {
InetSocketAddress address = null;
if (isSSLEnabled) {
address =
conf.getSocketAddr(JHAdminConfig.MR_HISTORY_WEBAPP_HTTPS_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_WEBAPP_HTTPS_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_WEBAPP_HTTPS_PORT);
} else {
address =
conf.getSocketAddr(JHAdminConfig.MR_HISTORY_WEBAPP_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_WEBAPP_ADDRESS,
JHAdminConfig.DEFAULT_MR_HISTORY_WEBAPP_PORT); }
address = NetUtils.getConnectAddress(address);
StringBuffer sb = new StringBuffer();
InetAddress resolved = address.getAddress();
if (resolved == null || resolved.isAnyLocalAddress() ||
resolved.isLoopbackAddress()) {
String lh = address.getHostName();
try {
lh = InetAddress.getLocalHost().getCanonicalHostName();
} catch (UnknownHostException e) {
//Ignore and fallback.
}
sb.append(lh);
} else {
sb.append(address.getHostName());
}
sb.append(":").append(address.getPort());
return sb.toString();
}
@Override
public void serviceInit(Configuration conf) throws Exception {
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());
}
// By default, VMEM monitoring disabled, PMEM monitoring enabled.
if (!conf.getBoolean(
MRConfig.MAPREDUCE_MINICLUSTER_CONTROL_RESOURCE_MONITORING,
MRConfig.DEFAULT_MAPREDUCE_MINICLUSTER_CONTROL_RESOURCE_MONITORING)) {
conf.setBoolean(YarnConfiguration.NM_PMEM_CHECK_ENABLED, false);
conf.setBoolean(YarnConfiguration.NM_VMEM_CHECK_ENABLED, false);
}
conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, "000");
try {
Path stagingPath = FileContext.getFileContext(conf).makeQualified(
new Path(conf.get(MRJobConfig.MR_AM_STAGING_DIR)));
/*
* Re-configure the staging path on Windows if the file system is localFs.
* We need to use a absolute path that contains the drive letter. The unit
* test could run on a different drive than the AM. We can run into the
* issue that job files are localized to the drive where the test runs on,
* while the AM starts on a different drive and fails to find the job
* metafiles. Using absolute path can avoid this ambiguity.
*/
if (Path.WINDOWS) {
if (LocalFileSystem.class.isInstance(stagingPath.getFileSystem(conf))) {
conf.set(MRJobConfig.MR_AM_STAGING_DIR,
new File(conf.get(MRJobConfig.MR_AM_STAGING_DIR))
.getAbsolutePath());
}
}
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 YarnRuntimeException("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);
super.serviceInit(conf);
}
private class JobHistoryServerWrapper extends AbstractService {
public JobHistoryServerWrapper() {
super(JobHistoryServerWrapper.class.getName());
}
@Override
public synchronized void serviceStart() throws Exception {
try {
if (!getConfig().getBoolean(
JHAdminConfig.MR_HISTORY_MINICLUSTER_FIXED_PORTS,
JHAdminConfig.DEFAULT_MR_HISTORY_MINICLUSTER_FIXED_PORTS)) {
String hostname = MiniYARNCluster.getHostname();
// pick free random ports.
getConfig().set(JHAdminConfig.MR_HISTORY_ADDRESS,
hostname + ":0");
MRWebAppUtil.setJHSWebappURLWithoutScheme(getConfig(), hostname
+ ":0");
getConfig().set(JHAdminConfig.JHS_ADMIN_ADDRESS,
hostname + ":0");
}
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.serviceStart();
} catch (Throwable t) {
throw new YarnRuntimeException(t);
}
//need to do this because historyServer.init creates a new Configuration
getConfig().set(JHAdminConfig.MR_HISTORY_ADDRESS,
historyServer.getConfig().get(JHAdminConfig.MR_HISTORY_ADDRESS));
MRWebAppUtil.setJHSWebappURLWithoutScheme(getConfig(),
MRWebAppUtil.getJHSWebappURLWithoutScheme(historyServer.getConfig()));
LOG.info("MiniMRYARN ResourceManager address: " +
getConfig().get(YarnConfiguration.RM_ADDRESS));
LOG.info("MiniMRYARN ResourceManager web address: " +
WebAppUtils.getRMWebAppURLWithoutScheme(getConfig()));
LOG.info("MiniMRYARN HistoryServer address: " +
getConfig().get(JHAdminConfig.MR_HISTORY_ADDRESS));
LOG.info("MiniMRYARN HistoryServer web address: "
+ getResolvedMRHistoryWebAppURLWithoutScheme(getConfig(),
MRWebAppUtil.getJHSHttpPolicy() == HttpConfig.Policy.HTTPS_ONLY));
}
@Override
public synchronized void serviceStop() throws Exception {
if (historyServer != null) {
historyServer.stop();
}
super.serviceStop();
}
}
public JobHistoryServer getHistoryServer() {
return this.historyServer;
}
}