Source code

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 */
019
020package org.apache.reef.bridge.client;
021
022import org.apache.reef.annotations.audience.Interop;
023import org.apache.reef.runtime.common.REEFLauncher;
024import org.apache.reef.tang.Tang;
025import org.apache.reef.tang.exceptions.InjectionException;
026
027import java.io.IOException;
028import java.util.logging.Level;
029import java.util.logging.Logger;
030
031/**
032 * This is a bootstrap launcher for YARN for submission from C#. It allows for Java Driver
033 * configuration generation directly on the Driver without need of Java dependency if REST
034 * submission is used. Note that the name of the class must contain "REEFLauncher" for the time
035 * being in order for the Interop code to discover the class.
036 */
037@Interop(CppFiles = "DriverLauncher.cpp")
038public final class YarnBootstrapREEFLauncher {
039  private static final Logger LOG = Logger.getLogger(YarnBootstrapREEFLauncher.class.getName());
040
041  public static void main(final String[] args) throws IOException, InjectionException {
042    LOG.log(Level.INFO, "Entering BootstrapLauncher.main().");
043
044    if (args.length != 2) {
045      final StringBuilder sb = new StringBuilder();
046      sb.append("[ ");
047      for (String arg : args) {
048        sb.append(arg);
049        sb.append(" ");
050      }
051
052      sb.append("]");
053
054      final String message = "Bootstrap launcher should have two configuration file inputs, one specifying the" +
055          " application submission parameters to be deserialized and the other specifying the job" +
056          " submission parameters to be deserialized to create the YarnDriverConfiguration on the fly." +
057          " Current args are " + sb.toString();
058
059      throw fatal(message, new IllegalArgumentException(message));
060    }
061
062    try {
063      final YarnBootstrapDriverConfigGenerator yarnDriverConfigurationGenerator =
064          Tang.Factory.getTang().newInjector().getInstance(YarnBootstrapDriverConfigGenerator.class);
065      REEFLauncher.main(new String[]{yarnDriverConfigurationGenerator.writeDriverConfigurationFile(args[0], args[1])});
066    } catch (final Exception exception) {
067      if (!(exception instanceof RuntimeException)) {
068        throw fatal("Failed to initialize configurations.", exception);
069      }
070
071      throw exception;
072    }
073  }
074
075  private static RuntimeException fatal(final String msg, final Throwable t) {
076    LOG.log(Level.SEVERE, msg, t);
077    return new RuntimeException(msg, t);
078  }
079
080  private YarnBootstrapREEFLauncher(){
081  }
082}