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MAPREDUCE-3033. Ensure Master interface pays attention to classic v/s yarn frameworks. Contributed by Hitesh Shah.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1180214 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arun Murthy 2011-10-07 20:39:33 +00:00
parent 54e81464a3
commit 6b343adfe8
5 changed files with 114 additions and 9 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -1546,6 +1546,9 @@ Release 0.23.0 - Unreleased
MAPREDUCE-2751. Modified NodeManager to stop leaving around local files
after application finishes. (Siddharth Seth via vinodkv)
MAPREDUCE-3033. Ensure Master interface pays attention to classic v/s yarn
frameworks. (Hitesh Shah via acmurthy)
Release 0.22.0 - Unreleased
INCOMPATIBLE CHANGES

28
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Master.java
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@ -25,6 +25,7 @@
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
public class Master {
@ -33,20 +34,33 @@ public enum State {
}
public static String getMasterUserName(Configuration conf) {
return conf.get(MRConfig.MASTER_USER_NAME);
String framework = conf.get(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
if (framework.equals(MRConfig.CLASSIC_FRAMEWORK_NAME)) {
return conf.get(MRConfig.MASTER_USER_NAME);
}
else {
return conf.get(YarnConfiguration.RM_PRINCIPAL);
}
}
public static InetSocketAddress getMasterAddress(Configuration conf) {
String jobTrackerStr =
conf.get(MRConfig.MASTER_ADDRESS, "localhost:8012");
return NetUtils.createSocketAddr(jobTrackerStr);
String masterAddress;
String framework = conf.get(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
if (framework.equals(MRConfig.CLASSIC_FRAMEWORK_NAME)) {
masterAddress = conf.get(MRConfig.MASTER_ADDRESS, "localhost:8012");
}
else {
masterAddress = conf.get(YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS);
}
return NetUtils.createSocketAddr(masterAddress);
}
public static String getMasterPrincipal(Configuration conf)
throws IOException {
String jtHostname = getMasterAddress(conf).getHostName();
// get jobtracker principal for use as delegation token renewer
return SecurityUtil.getServerPrincipal(getMasterUserName(conf), jtHostname);
String masterHostname = getMasterAddress(conf).getHostName();
// get kerberos principal for use as delegation token renewer
return SecurityUtil.getServerPrincipal(getMasterUserName(conf), masterHostname);
}
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/ReduceTask.java
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@ -343,7 +343,7 @@ public void run(JobConf job, final TaskUmbilicalProtocol umbilical)
boolean isLocal = false;
// local iff framework == classic && master address == local
String framework = job.get(MRConfig.FRAMEWORK_NAME, MRConfig.CLASSIC_FRAMEWORK_NAME);
String framework = job.get(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
if (framework.equals(MRConfig.CLASSIC_FRAMEWORK_NAME)) {
isLocal = "local".equals(job.get(MRConfig.MASTER_ADDRESS, "local"));
}

88
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestMaster.java Normal file
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@ -0,0 +1,88 @@
/**
* 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 static org.junit.Assert.*;
import java.net.InetSocketAddress;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.Test;
public class TestMaster {
@Test
public void testGetMasterAddress() {
YarnConfiguration conf = new YarnConfiguration();
// Default is yarn framework
String masterHostname = Master.getMasterAddress(conf).getHostName();
// no address set so should default to default rm address
InetSocketAddress rmAddr = NetUtils.createSocketAddr(YarnConfiguration.DEFAULT_RM_ADDRESS);
assertEquals(masterHostname, rmAddr.getHostName());
// Trying invalid master address for classic
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.CLASSIC_FRAMEWORK_NAME);
conf.set(MRConfig.MASTER_ADDRESS, "local");
// should throw an exception for invalid value
try {
Master.getMasterAddress(conf);
fail("Should not reach here as there is a bad master address");
}
catch (Exception e) {
// Expected
}
// Change master address to a valid value
conf.set(MRConfig.MASTER_ADDRESS, "bar.com:9999");
masterHostname = Master.getMasterAddress(conf).getHostName();
assertEquals(masterHostname, "bar.com");
// change framework to yarn
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
conf.set(YarnConfiguration.RM_ADDRESS, "foo1.com:8192");
masterHostname = Master.getMasterAddress(conf).getHostName();
assertEquals(masterHostname, "foo1.com");
}
@Test
public void testGetMasterUser() {
YarnConfiguration conf = new YarnConfiguration();
conf.set(MRConfig.MASTER_USER_NAME, "foo");
conf.set(YarnConfiguration.RM_PRINCIPAL, "bar");
// default is yarn framework
assertEquals(Master.getMasterUserName(conf), "bar");
// set framework name to classic
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.CLASSIC_FRAMEWORK_NAME);
assertEquals(Master.getMasterUserName(conf), "foo");
// change framework to yarn
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
assertEquals(Master.getMasterUserName(conf), "bar");
}
}

2
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java
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@ -186,7 +186,7 @@ private ResourceMgrDelegate getRMDelegate() throws YarnRemoteException {
private ClientServiceDelegate getClientServiceDelegate(
MRClientProtocol historyServerProxy, ResourceMgrDelegate rm) {
Configuration conf = new YarnConfiguration();
conf.set(MRConfig.FRAMEWORK_NAME, "yarn");
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_FRAMEWORK_NAME);
ClientServiceDelegate clientServiceDelegate = new ClientServiceDelegate(
conf, rm, oldJobId, historyServerProxy);
return clientServiceDelegate;