001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.reef.examples.hello; 020 021import org.apache.reef.client.DriverConfiguration; 022import org.apache.reef.client.DriverLauncher; 023import org.apache.reef.client.LauncherStatus; 024import org.apache.reef.runtime.yarn.client.YarnClientConfiguration; 025import org.apache.reef.tang.Configuration; 026import org.apache.reef.tang.exceptions.InjectionException; 027import org.apache.reef.util.EnvironmentUtils; 028 029import java.util.logging.Level; 030import java.util.logging.Logger; 031 032/** 033 * The Client for running HelloREEF on YARN. 034 */ 035public final class HelloREEFYarn { 036 037 private static final Logger LOG = Logger.getLogger(HelloREEFYarn.class.getName()); 038 039 /** 040 * Number of milliseconds to wait for the job to complete. 041 * Setting to 100 sec because running on RM HA clusters take around 042 * 50 seconds to set the job to running. 043 */ 044 private static final int JOB_TIMEOUT = 100000; // 100 sec. 045 046 /** The configuration of the runtime. */ 047 private static final Configuration RUNTIME_CONF = YarnClientConfiguration.CONF.build(); 048 049 /** The configuration of the HelloREEF driver. */ 050 private static final Configuration DRIVER_CONF = DriverConfiguration.CONF 051 .set(DriverConfiguration.DRIVER_IDENTIFIER, "HelloREEF") 052 .set(DriverConfiguration.GLOBAL_LIBRARIES, EnvironmentUtils.getClassLocation(HelloREEFYarn.class)) 053 .set(DriverConfiguration.ON_DRIVER_STARTED, HelloDriver.StartHandler.class) 054 .set(DriverConfiguration.ON_EVALUATOR_ALLOCATED, HelloDriver.EvaluatorAllocatedHandler.class) 055 .build(); 056 057 /** 058 * Start Hello REEF job. 059 * @param args command line parameters. Not used. 060 * @throws InjectionException configuration error. 061 */ 062 public static void main(final String[] args) throws InjectionException { 063 final LauncherStatus status = DriverLauncher.getLauncher(RUNTIME_CONF).run(DRIVER_CONF, JOB_TIMEOUT); 064 LOG.log(Level.INFO, "REEF job completed: {0}", status); 065 } 066 067 /** 068 * Empty private constructor to prohibit instantiation of utility class. 069 */ 070 private HelloREEFYarn() { 071 } 072}