Package org.apache.oozie.action.hadoop

Source Code of org.apache.oozie.action.hadoop.TestDistCpActionExecutor

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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,
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*/
package org.apache.oozie.action.hadoop;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.JobClient;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.JobID;
import org.apache.hadoop.mapred.RunningJob;
import org.apache.oozie.WorkflowActionBean;
import org.apache.oozie.WorkflowJobBean;
import org.apache.oozie.client.WorkflowAction;
import org.apache.oozie.service.HadoopAccessorService;
import org.apache.oozie.service.Services;
import org.apache.oozie.service.WorkflowAppService;
import org.apache.oozie.util.IOUtils;
import org.apache.oozie.util.XConfiguration;

public class TestDistCpActionExecutor extends ActionExecutorTestCase{

    @Override
    protected void setSystemProps() throws Exception {
        super.setSystemProps();
        setSystemProperty("oozie.service.ActionService.executor.classes", DistcpActionExecutor.class.getName());
    }

    public void testSimpestdistCpSubmitOK() throws Exception {
        String actionXml = "<distcp>" +
                "<job-tracker>" + getJobTrackerUri() + "</job-tracker>" +
                "<name-node>" + getNameNodeUri() + "</name-node>" +
                "<arg>-Dmyqueue</arg>" +
                "<arg>input</arg>"+
                "<arg>output</arg>" +
                "</distcp>";
        Context context = createContext(actionXml);
        final RunningJob runningJob = submitAction(context);
        waitFor(60 * 1000, new Predicate() {
            public boolean evaluate() throws Exception {
                return runningJob.isComplete();
            }
        });
        assertTrue(runningJob.isSuccessful());
    }


    protected Context createContext(String actionXml) throws Exception {
        DistcpActionExecutor ae = new DistcpActionExecutor();

        Path appJarPath = new Path("lib/test.jar");
        File jarFile = IOUtils.createJar(new File(getTestCaseDir()), "test.jar", LauncherMainTester.class);
        InputStream is = new FileInputStream(jarFile);
        OutputStream os = getFileSystem().create(new Path(getAppPath(), "lib/test.jar"));
        IOUtils.copyStream(is, os);

        Path appSoPath = new Path("lib/test.so");
        getFileSystem().create(new Path(getAppPath(), appSoPath)).close();

        XConfiguration protoConf = new XConfiguration();
        protoConf.set(WorkflowAppService.HADOOP_USER, getTestUser());
        protoConf.setStrings(WorkflowAppService.APP_LIB_PATH_LIST, appJarPath.toString(), appSoPath.toString());


        WorkflowJobBean wf = createBaseWorkflow(protoConf, "action");
        WorkflowActionBean action = (WorkflowActionBean) wf.getActions().get(0);
        action.setType(ae.getType());
        action.setConf(actionXml);

        return new Context(wf, action);
    }


    protected RunningJob submitAction(Context context) throws Exception {
        DistcpActionExecutor ae = new DistcpActionExecutor();

        WorkflowAction action = context.getAction();

        ae.prepareActionDir(getFileSystem(), context);
        ae.submitLauncher(getFileSystem(), context, action);

        String jobId = action.getExternalId();
        String jobTracker = action.getTrackerUri();
        String consoleUrl = action.getConsoleUrl();
        assertNotNull(jobId);
        assertNotNull(jobTracker);
        assertNotNull(consoleUrl);

        JobConf jobConf = Services.get().get(HadoopAccessorService.class).createJobConf(jobTracker);
        jobConf.set("mapred.job.tracker", jobTracker);

        JobClient jobClient =
            Services.get().get(HadoopAccessorService.class).createJobClient(getTestUser(), jobConf);
        final RunningJob runningJob = jobClient.getJob(JobID.forName(jobId));
        assertNotNull(runningJob);
        return runningJob;
    }
}
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