/**
* 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.app;
import java.io.IOException;
import junit.framework.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.v2.app.job.Job;
import org.apache.hadoop.mapreduce.v2.util.MRApps;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.junit.Test;
public class TestMRAppMaster {
@Test
public void testMRAppMasterForDifferentUser() throws IOException,
InterruptedException {
String applicationAttemptIdStr = "appattempt_1317529182569_0004_000001";
String containerIdStr = "container_1317529182569_0004_000001_1";
String stagingDir = "/tmp/staging";
String userName = "TestAppMasterUser";
ApplicationAttemptId applicationAttemptId = ConverterUtils
.toApplicationAttemptId(applicationAttemptIdStr);
ContainerId containerId = ConverterUtils.toContainerId(containerIdStr);
MRAppMasterTest appMaster =
new MRAppMasterTest(applicationAttemptId, containerId, "host", -1, -1,
System.currentTimeMillis());
YarnConfiguration conf = new YarnConfiguration();
conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
MRAppMaster.initAndStartAppMaster(appMaster, conf, userName);
Assert.assertEquals(stagingDir + Path.SEPARATOR + userName + Path.SEPARATOR
+ ".staging", appMaster.stagingDirPath.toString());
appMaster.start();
// Job job = appMaster.createJob((Configuration) conf);
// System.out.print (job.getClass().toString());
// System.out.println(appMaster.getDispatcher());
}
}
class MRAppMasterTest extends MRAppMaster {
Path stagingDirPath;
private Configuration conf;
public MRAppMasterTest(ApplicationAttemptId applicationAttemptId,
ContainerId containerId, String host, int port, int httpPort,
long submitTime) {
super(applicationAttemptId, containerId, host, port, httpPort, submitTime);
}
@Override
public void init(Configuration conf) {
this.conf = conf;
}
@Override
public void start() {
try {
String user = UserGroupInformation.getCurrentUser().getShortUserName();
stagingDirPath = MRApps.getStagingAreaDir(conf, user);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
}
}