/**
* 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.tez.mapreduce.client;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.HashSet;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.ClusterMetrics;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.JobStatus;
import org.apache.hadoop.mapreduce.QueueAclsInfo;
import org.apache.hadoop.mapreduce.QueueInfo;
import org.apache.hadoop.mapreduce.TaskTrackerInfo;
import org.apache.hadoop.mapreduce.TypeConverter;
import org.apache.hadoop.mapreduce.v2.util.MRApps;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.YarnClusterMetrics;
import org.apache.hadoop.yarn.client.api.YarnClient;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.tez.dag.api.TezConstants;
import org.apache.tez.mapreduce.hadoop.MRJobConfig;
public class ResourceMgrDelegate {
private static final Logger LOG = LoggerFactory.getLogger(ResourceMgrDelegate.class);
private YarnConfiguration conf;
private GetNewApplicationResponse application;
private ApplicationId applicationId;
private YarnClient client;
private InetSocketAddress rmAddress;
/**
* Delegate responsible for communicating with the Resource Manager's {@link ApplicationClientProtocol}.
* @param conf the configuration object.
*/
public ResourceMgrDelegate(YarnConfiguration conf) {
super();
this.conf = conf;
client = YarnClient.createYarnClient();
client.init(conf);
this.rmAddress = conf.getSocketAddr(YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_PORT);
client.start();
}
public TaskTrackerInfo[] getActiveTrackers() throws IOException,
InterruptedException {
try {
return TypeConverter.fromYarnNodes(client.getNodeReports());
} catch (YarnException e) {
throw new IOException(e);
}
}
public JobStatus[] getAllJobs() throws IOException, InterruptedException {
try {
Set<String> appTypes = new HashSet<String>(1);
appTypes.add(TezConstants.TEZ_APPLICATION_TYPE);
return TypeConverter.fromYarnApps(client.getApplications(appTypes),
this.conf);
} catch (YarnException e) {
throw new IOException(e);
}
}
public TaskTrackerInfo[] getBlacklistedTrackers() throws IOException,
InterruptedException {
// TODO: Implement getBlacklistedTrackers
LOG.warn("getBlacklistedTrackers - Not implemented yet");
return new TaskTrackerInfo[0];
}
public ClusterMetrics getClusterMetrics() throws IOException,
InterruptedException {
YarnClusterMetrics metrics;
try {
metrics = client.getYarnClusterMetrics();
} catch (YarnException e) {
throw new IOException(e);
}
ClusterMetrics oldMetrics = new ClusterMetrics(1, 1, 1, 1, 1, 1,
metrics.getNumNodeManagers() * 10, metrics.getNumNodeManagers() * 2, 1,
metrics.getNumNodeManagers(), 0, 0);
return oldMetrics;
}
@SuppressWarnings("rawtypes")
public Token getDelegationToken(Text renewer) throws IOException,
InterruptedException {
try {
// Remove rmAddress after YARN-868 is addressed
return ConverterUtils.convertFromYarn(
client.getRMDelegationToken(renewer), rmAddress);
} catch (YarnException e) {
throw new IOException(e);
}
}
public String getFilesystemName() throws IOException, InterruptedException {
return FileSystem.get(conf).getUri().toString();
}
public JobID getNewJobID() throws IOException, InterruptedException {
try {
this.application =
client.createApplication().getNewApplicationResponse();
} catch (YarnException e) {
throw new IOException(e);
}
this.applicationId = this.application.getApplicationId();
return TypeConverter.fromYarn(applicationId);
}
public QueueInfo getQueue(String queueName) throws IOException,
InterruptedException {
try {
org.apache.hadoop.yarn.api.records.QueueInfo queueInfo =
client.getQueueInfo(queueName);
return (queueInfo == null) ? null : TypeConverter.fromYarn(queueInfo,
conf);
} catch (YarnException e) {
throw new IOException(e);
}
}
public QueueAclsInfo[] getQueueAclsForCurrentUser() throws IOException,
InterruptedException {
try {
return TypeConverter.fromYarnQueueUserAclsInfo(
client.getQueueAclsInfo());
} catch (YarnException e) {
throw new IOException(e);
}
}
public QueueInfo[] getQueues() throws IOException, InterruptedException {
try {
return TypeConverter.fromYarnQueueInfo(client.getAllQueues(), this.conf);
} catch (YarnException e) {
throw new IOException(e);
}
}
public QueueInfo[] getRootQueues() throws IOException, InterruptedException {
try {
return TypeConverter.fromYarnQueueInfo(client.getRootQueueInfos(),
this.conf);
} catch (YarnException e) {
throw new IOException(e);
}
}
public QueueInfo[] getChildQueues(String parent) throws IOException,
InterruptedException {
try {
return TypeConverter.fromYarnQueueInfo(client.getChildQueueInfos(parent),
this.conf);
} catch (YarnException e) {
throw new IOException(e);
}
}
public String getStagingAreaDir() throws IOException, InterruptedException {
// Path path = new Path(MRJobConstants.JOB_SUBMIT_DIR);
String user =
UserGroupInformation.getCurrentUser().getShortUserName();
Path path = MRApps.getStagingAreaDir(conf, user);
LOG.debug("getStagingAreaDir: dir=" + path);
return path.toString();
}
public String getSystemDir() throws IOException, InterruptedException {
Path sysDir = new Path(MRJobConfig.JOB_SUBMIT_DIR);
//FileContext.getFileContext(conf).delete(sysDir, true);
return sysDir.toString();
}
public long getTaskTrackerExpiryInterval() throws IOException,
InterruptedException {
return 0;
}
public void setJobPriority(JobID arg0, String arg1) throws IOException,
InterruptedException {
return;
}
public long getProtocolVersion(String arg0, long arg1) throws IOException {
return 0;
}
public ApplicationId getApplicationId() {
return applicationId;
}
public void killApplication(ApplicationId appId)
throws YarnException, IOException {
client.killApplication(appId);
}
}