/**
* 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.security.PrivilegedExceptionAction;
import org.apache.hadoop.examples.SleepJob;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.util.ToolRunner;
/**
* Test a java-based mapred job with LinuxTaskController running the jobs as a
* user different from the user running the cluster. See
* {@link ClusterWithLinuxTaskController}
*/
public class TestJobExecutionAsDifferentUser extends
ClusterWithLinuxTaskController {
public void testJobExecution()
throws Exception {
if (!shouldRun()) {
return;
}
startCluster();
jobOwner.doAs(new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
Path inDir = new Path("input");
Path outDir = new Path("output");
RunningJob job;
// Run a job with zero maps/reduces
job = UtilsForTests.runJob(getClusterConf(), inDir, outDir, 0, 0);
job.waitForCompletion();
assertTrue("Job failed", job.isSuccessful());
assertOwnerShip(outDir);
// Run a job with 1 map and zero reduces
job = UtilsForTests.runJob(getClusterConf(), inDir, outDir, 1, 0);
job.waitForCompletion();
assertTrue("Job failed", job.isSuccessful());
assertOwnerShip(outDir);
// Run a normal job with maps/reduces
job = UtilsForTests.runJob(getClusterConf(), inDir, outDir, 1, 1);
job.waitForCompletion();
assertTrue("Job failed", job.isSuccessful());
assertOwnerShip(outDir);
// Run a job with jvm reuse
JobConf myConf = getClusterConf();
myConf.set("mapred.job.reuse.jvm.num.tasks", "-1");
String[] args = { "-m", "6", "-r", "3", "-mt", "1000", "-rt", "1000" };
assertEquals(0, ToolRunner.run(myConf, new SleepJob(), args));
return null;
}
});
}
public void testEnvironment() throws Exception {
if (!shouldRun()) {
return;
}
startCluster();
jobOwner.doAs(new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
TestMiniMRChildTask childTask = new TestMiniMRChildTask();
Path inDir = new Path("input1");
Path outDir = new Path("output1");
try {
childTask.runTestTaskEnv(getClusterConf(), inDir, outDir, false);
} catch (IOException e) {
fail("IOException thrown while running enviroment test."
+ e.getMessage());
} finally {
FileSystem outFs = outDir.getFileSystem(getClusterConf());
if (outFs.exists(outDir)) {
assertOwnerShip(outDir);
outFs.delete(outDir, true);
} else {
fail("Output directory does not exist" + outDir.toString());
}
return null;
}
}
});
}
}