| /* |
| * 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.reef.examples.distributedshell; |
| |
| import org.apache.reef.client.DriverConfiguration; |
| import org.apache.reef.client.DriverLauncher; |
| import org.apache.reef.client.LauncherStatus; |
| import org.apache.reef.examples.library.Command; |
| import org.apache.reef.runtime.local.client.LocalRuntimeConfiguration; |
| import org.apache.reef.runtime.yarn.client.YarnClientConfiguration; |
| import org.apache.reef.tang.Configuration; |
| import org.apache.reef.tang.Injector; |
| import org.apache.reef.tang.JavaConfigurationBuilder; |
| import org.apache.reef.tang.Tang; |
| import org.apache.reef.tang.exceptions.InjectionException; |
| import org.apache.reef.tang.formats.CommandLine; |
| import org.apache.reef.util.EnvironmentUtils; |
| |
| import java.io.IOException; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** The Client for REEF distributed shell example. */ |
| public final class ShellClient { |
| |
| private static final Logger LOG = Logger.getLogger(ShellClient.class.getName()); |
| |
| /** Number of milliseconds to wait for the job to complete. */ |
| private static final int JOB_TIMEOUT = 60000; // 1 min. |
| |
| private static final Tang TANG = Tang.Factory.getTang(); |
| |
| private static final Configuration STATIC_DRIVER_CONFIG = DriverConfiguration.CONF |
| .set(DriverConfiguration.DRIVER_IDENTIFIER, "DistributedShell") |
| .set(DriverConfiguration.GLOBAL_LIBRARIES, EnvironmentUtils.getClassLocation(ShellDriver.class)) |
| .set(DriverConfiguration.ON_DRIVER_STARTED, ShellDriver.StartHandler.class) |
| .set(DriverConfiguration.ON_EVALUATOR_ALLOCATED, ShellDriver.EvaluatorAllocatedHandler.class) |
| .build(); |
| |
| /** |
| * Start the distributed shell job. |
| * @param args command line parameters. |
| * @throws InjectionException configuration error. |
| */ |
| public static void main(final String[] args) throws InjectionException, IOException { |
| |
| final JavaConfigurationBuilder driverConfigBuilder = TANG.newConfigurationBuilder(STATIC_DRIVER_CONFIG); |
| |
| new CommandLine(driverConfigBuilder) |
| .registerShortNameOfClass(Command.class) |
| .registerShortNameOfClass(NumEvaluators.class) |
| .registerShortNameOfClass(RuntimeName.class) |
| .processCommandLine(args); |
| |
| final Configuration driverConfig = driverConfigBuilder.build(); |
| |
| final Injector injector = TANG.newInjector(driverConfig); |
| |
| final int numEvaluators = injector.getNamedInstance(NumEvaluators.class); |
| final String runtimeName = injector.getNamedInstance(RuntimeName.class); |
| final String command = injector.getNamedInstance(Command.class); |
| |
| LOG.log(Level.INFO, "REEF distributed shell: {0} evaluators on {1} runtime :: {2}", |
| new Object[] {numEvaluators, runtimeName, command}); |
| |
| final Configuration runtimeConfig; |
| |
| switch (runtimeName) { |
| case "local": |
| runtimeConfig = LocalRuntimeConfiguration.CONF |
| .set(LocalRuntimeConfiguration.MAX_NUMBER_OF_EVALUATORS, numEvaluators) |
| .build(); |
| break; |
| case "yarn": |
| runtimeConfig = YarnClientConfiguration.CONF.build(); |
| break; |
| default: |
| LOG.log(Level.SEVERE, "Unknown runtime: {0}", runtimeName); |
| throw new IllegalArgumentException("Unknown runtime: " + runtimeName); |
| } |
| |
| final LauncherStatus status = DriverLauncher.getLauncher(runtimeConfig).run(driverConfig, JOB_TIMEOUT); |
| |
| LOG.log(Level.INFO, "REEF job completed: {0}", status); |
| } |
| |
| /** This class should never be instantiated. */ |
| private ShellClient() { } |
| } |