/**
* 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 java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.MRJobConfig;
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.ClientRMProtocol;
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.YarnClientImpl;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.util.ProtoUtils;
public class ResourceMgrDelegate extends YarnClientImpl {
private static final Log LOG = LogFactory.getLog(ResourceMgrDelegate.class);
private YarnConfiguration conf;
private GetNewApplicationResponse application;
private ApplicationId applicationId;
/**
* Delegate responsible for communicating with the Resource Manager's {@link ClientRMProtocol}.
* @param conf the configuration object.
*/
public ResourceMgrDelegate(YarnConfiguration conf) {
super();
this.conf = conf;
init(conf);
start();
}
public TaskTrackerInfo[] getActiveTrackers() throws IOException,
InterruptedException {
return TypeConverter.fromYarnNodes(super.getNodeReports());
}
public JobStatus[] getAllJobs() throws IOException, InterruptedException {
return TypeConverter.fromYarnApps(super.getApplicationList(), this.conf);
}
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 = super.getYarnClusterMetrics();
ClusterMetrics oldMetrics = new ClusterMetrics(1, 1, 1, 1, 1, 1,
metrics.getNumNodeManagers() * 10, metrics.getNumNodeManagers() * 2, 1,
metrics.getNumNodeManagers(), 0, 0);
return oldMetrics;
}
InetSocketAddress getConnectAddress() {
return rmAddress;
}
@SuppressWarnings("rawtypes")
public Token getDelegationToken(Text renewer) throws IOException,
InterruptedException {
return ProtoUtils.convertFromProtoFormat(
super.getRMDelegationToken(renewer), rmAddress);
}
public String getFilesystemName() throws IOException, InterruptedException {
return FileSystem.get(conf).getUri().toString();
}
public JobID getNewJobID() throws IOException, InterruptedException {
this.application = super.getNewApplication();
this.applicationId = this.application.getApplicationId();
return TypeConverter.fromYarn(applicationId);
}
public QueueInfo getQueue(String queueName) throws IOException,
InterruptedException {
org.apache.hadoop.yarn.api.records.QueueInfo queueInfo =
super.getQueueInfo(queueName);
return (queueInfo == null) ? null : TypeConverter.fromYarn(queueInfo, conf);
}
public QueueAclsInfo[] getQueueAclsForCurrentUser() throws IOException,
InterruptedException {
return TypeConverter.fromYarnQueueUserAclsInfo(super
.getQueueAclsInfo());
}
public QueueInfo[] getQueues() throws IOException, InterruptedException {
return TypeConverter.fromYarnQueueInfo(super.getAllQueues(), this.conf);
}
public QueueInfo[] getRootQueues() throws IOException, InterruptedException {
return TypeConverter.fromYarnQueueInfo(super.getRootQueueInfos(), this.conf);
}
public QueueInfo[] getChildQueues(String parent) throws IOException,
InterruptedException {
return TypeConverter.fromYarnQueueInfo(super.getChildQueueInfos(parent),
this.conf);
}
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;
}
}