TestLocalJobSubmission.java
/**
* 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.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.SleepJob;
import org.apache.hadoop.mapreduce.security.IntermediateEncryptedStream;
import org.apache.hadoop.mapreduce.security.SpillCallBackPathsFinder;
import org.apache.hadoop.mapreduce.util.MRJobConfUtil;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.util.ToolRunner;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
/**
* check for the job submission options of
* -jt local -libjars
*/
public class TestLocalJobSubmission {
private static final Logger LOG =
LoggerFactory.getLogger(TestLocalJobSubmission.class);
private static File testRootDir;
private File unitTestDir;
private Path jarPath;
private Configuration config;
@BeforeAll
public static void setupClass() throws Exception {
// setup the test root directory
testRootDir =
GenericTestUtils.setupTestRootDir(TestLocalJobSubmission.class);
}
@BeforeEach
public void setup(TestInfo testInfo) throws IOException {
unitTestDir = new File(testRootDir, testInfo.getDisplayName());
unitTestDir.mkdirs();
config = createConfig();
jarPath = makeJar(new Path(unitTestDir.getAbsolutePath(), "test.jar"));
}
private Configuration createConfig() {
// Set the temp directories a subdir of the test directory.
Configuration conf =
MRJobConfUtil.setLocalDirectoriesConfigForTesting(null, unitTestDir);
conf.set(MRConfig.FRAMEWORK_NAME, "local");
return conf;
}
/**
* Test the local job submission options of -jt local -libjars.
*
* @throws IOException thrown if there's an error creating the JAR file
*/
@Test
public void testLocalJobLibjarsOption() throws IOException {
testLocalJobLibjarsOption(config);
config.setBoolean(Job.USE_WILDCARD_FOR_LIBJARS, false);
testLocalJobLibjarsOption(config);
}
/**
* Test the local job submission options of -jt local -libjars.
*
* @param conf the {@link Configuration} to use
* @throws IOException thrown if there's an error creating the JAR file
*/
private void testLocalJobLibjarsOption(Configuration conf)
throws IOException {
conf.set(FileSystem.FS_DEFAULT_NAME_KEY, "hdfs://localhost:9000");
conf.set(MRConfig.FRAMEWORK_NAME, "local");
final String[] args = {
"-jt" , "local", "-libjars", jarPath.toString(),
"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"
};
int res = -1;
try {
res = ToolRunner.run(conf, new SleepJob(), args);
} catch (Exception e) {
LOG.error("Job failed with {}", e.getLocalizedMessage(), e);
fail("Job failed");
}
assertEquals(0, res, "dist job res is not 0:");
}
/**
* test the local job submission with
* intermediate data encryption enabled.
* @throws IOException
*/
@Test
public void testLocalJobEncryptedIntermediateData() throws IOException {
config = MRJobConfUtil.initEncryptedIntermediateConfigsForTesting(config);
final String[] args = {
"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"
};
int res = -1;
try {
SpillCallBackPathsFinder spillInjector =
(SpillCallBackPathsFinder) IntermediateEncryptedStream
.setSpillCBInjector(new SpillCallBackPathsFinder());
res = ToolRunner.run(config, new SleepJob(), args);
assertTrue(spillInjector.getEncryptedSpilledFiles().size() > 0,
"No spill occurred");
} catch (Exception e) {
LOG.error("Job failed with {}", e.getLocalizedMessage(), e);
fail("Job failed");
}
assertEquals(0, res, "dist job res is not 0:");
}
/**
* test JOB_MAX_MAP configuration.
* @throws Exception
*/
@Test
public void testJobMaxMapConfig() throws Exception {
config.setInt(MRJobConfig.JOB_MAX_MAP, 0);
final String[] args = {
"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"
};
int res = -1;
try {
res = ToolRunner.run(config, new SleepJob(), args);
fail("Job should fail");
} catch (IllegalArgumentException e) {
assertTrue(e.getLocalizedMessage().contains(
"The number of map tasks 1 exceeded limit"));
}
}
/**
* Test local job submission with a file option.
*
* @throws IOException
*/
@Test
public void testLocalJobFilesOption() throws IOException {
config.set(FileSystem.FS_DEFAULT_NAME_KEY, "hdfs://localhost:9000");
final String[] args = {
"-jt", "local", "-files", jarPath.toString(),
"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"
};
int res = -1;
try {
res = ToolRunner.run(config, new SleepJob(), args);
} catch (Exception e) {
LOG.error("Job failed with {}", e.getLocalizedMessage(), e);
fail("Job failed");
}
assertEquals(0, res, "dist job res is not 0:");
}
/**
* Test local job submission with an archive option.
*
* @throws IOException
*/
@Test
public void testLocalJobArchivesOption() throws IOException {
config.set(FileSystem.FS_DEFAULT_NAME_KEY, "hdfs://localhost:9000");
final String[] args =
{"-jt", "local", "-archives", jarPath.toString(), "-m", "1", "-r",
"1", "-mt", "1", "-rt", "1"};
int res = -1;
try {
res = ToolRunner.run(config, new SleepJob(), args);
} catch (Exception e) {
LOG.error("Job failed with {}" + e.getLocalizedMessage(), e);
fail("Job failed");
}
assertEquals(0, res, "dist job res is not 0:");
}
private Path makeJar(Path p) throws IOException {
FileOutputStream fos = new FileOutputStream(p.toString());
JarOutputStream jos = new JarOutputStream(fos);
ZipEntry ze = new ZipEntry("test.jar.inside");
jos.putNextEntry(ze);
jos.write(("inside the jar!").getBytes());
jos.closeEntry();
jos.close();
return p;
}
}