| /** |
| * 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.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.URL; |
| |
| import junit.framework.Assert; |
| 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(); |
| URL url = Thread.currentThread().getContextClassLoader().getResource("yarn-site.xml"); |
| if (url == null) { |
| throw new RuntimeException("Could not find 'yarn-site.xml' dummy file in classpath"); |
| } |
| yarnCluster.getConfig().set("yarn.application.classpath", new File(url.getPath()).getParent()); |
| OutputStream os = new FileOutputStream(new File(url.getPath())); |
| yarnCluster.getConfig().writeXml(os); |
| os.close(); |
| } |
| 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(new Configuration(yarnCluster.getConfig())); |
| boolean initSuccess = client.init(args); |
| Assert.assertTrue(initSuccess); |
| LOG.info("Running DS Client"); |
| boolean result = client.run(); |
| |
| LOG.info("Client run completed. Result=" + result); |
| Assert.assertTrue(result); |
| |
| } |
| |
| |
| } |
| |