org.apache.hadoop.mapred.TestLocalJobSubmission.java Source code

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Here is the source code for org.apache.hadoop.mapred.TestLocalJobSubmission.java

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/**
 * 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.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
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.hdfs.server.namenode.ha.HopsRandomStickyFailoverProxyProvider;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.SleepJob;
import org.apache.hadoop.util.ToolRunner;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.*;
import org.apache.log4j.Level;
import org.apache.commons.logging.impl.Log4JLogger;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;

/**
 * check for the job submission options of
 * -jt local -libjars
 */
public class TestLocalJobSubmission {
    private static Path TEST_ROOT_DIR = new Path(System.getProperty("test.build.data", "/tmp"));

    @Before
    public void configure() throws Exception {
    }

    private static void initLoggers() {
        ((Log4JLogger) HopsRandomStickyFailoverProxyProvider.LOG).getLogger().setLevel(Level.ALL);
    }

    @After
    public void cleanup() {
    }

    /**
     * test the local job submission options of
     * -jt local -libjars
     * @throws IOException
     */
    @Test
    public void testLocalJobLibjarsOption() throws IOException {
        initLoggers();
        Path jarPath = makeJar(new Path(TEST_ROOT_DIR, "test.jar"));

        Configuration conf = new Configuration();
        conf.set(FileSystem.FS_DEFAULT_NAME_KEY, "hdfs://localhost:9000");
        conf.set(MRConfig.FRAMEWORK_NAME, "local");
        conf.setInt(DFSConfigKeys.DFS_CLIENT_FAILOVER_MAX_ATTEMPTS_KEY, /*default 15*/ 1);
        conf.set(HdfsClientConfigKeys.Retry.POLICY_SPEC_KEY, "1,1");
        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) {
            System.out.println("Job failed with " + e.getLocalizedMessage());
            e.printStackTrace(System.out);
            fail("Job failed");
        }
        assertEquals("dist job res is not 0:", 0, res);
    }

    /**
     * test the local job submission with
     * intermediate data encryption enabled.
     * @throws IOException
     */
    @Test
    public void testLocalJobEncryptedIntermediateData() throws IOException {
        Configuration conf = new Configuration();
        conf.set(MRConfig.FRAMEWORK_NAME, "local");
        conf.setBoolean(MRJobConfig.MR_ENCRYPTED_INTERMEDIATE_DATA, true);
        final String[] args = { "-m", "1", "-r", "1", "-mt", "1", "-rt", "1" };
        int res = -1;
        try {
            res = ToolRunner.run(conf, new SleepJob(), args);
        } catch (Exception e) {
            System.out.println("Job failed with " + e.getLocalizedMessage());
            e.printStackTrace(System.out);
            fail("Job failed");
        }
        assertEquals("dist job res is not 0:", 0, res);
    }

    private Path makeJar(Path p) throws IOException {
        FileOutputStream fos = new FileOutputStream(new File(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;
    }
}