/**
* 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.yarn.applications.distributedshell;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.JarFinder;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.MiniYARNCluster;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestDistributedShell {
private static final Log LOG =
LogFactory.getLog(TestDistributedShell.class);
protected static MiniYARNCluster yarnCluster = null;
protected static Configuration conf = new YarnConfiguration();
protected static String APPMASTER_JAR = JarFinder.getJar(ApplicationMaster.class);
@BeforeClass
public static void setup() throws InterruptedException, IOException {
LOG.info("Starting up YARN cluster");
conf.setInt(YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_MB, 128);
conf.setClass(YarnConfiguration.RM_SCHEDULER,
FifoScheduler.class, ResourceScheduler.class);
if (yarnCluster == null) {
yarnCluster = new MiniYARNCluster(TestDistributedShell.class.getName(),
1, 1, 1);
yarnCluster.init(conf);
yarnCluster.start();
}
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
LOG.info("setup thread sleep interrupted. message=" + e.getMessage());
}
}
@AfterClass
public static void tearDown() throws IOException {
if (yarnCluster != null) {
yarnCluster.stop();
yarnCluster = null;
}
}
@Test
public void testDSShell() throws Exception {
String[] args = {
"--jar",
APPMASTER_JAR,
"--num_containers",
"2",
"--shell_command",
"ls",
"--master_memory",
"512",
"--container_memory",
"128"
};
LOG.info("Initializing DS Client");
Client client = new Client();
boolean initSuccess = client.init(args);
assert(initSuccess);
LOG.info("Running DS Client");
boolean result = client.run();
LOG.info("Client run completed. Result=" + result);
assert (result == true);
}
}