| /* |
| * 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.runtime.yarn.driver; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.hadoop.yarn.api.ApplicationConstants; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; |
| import org.apache.hadoop.yarn.api.records.LocalResource; |
| import org.apache.reef.driver.evaluator.EvaluatorProcess; |
| import org.apache.reef.runtime.common.driver.api.ResourceLaunchEvent; |
| import org.apache.reef.runtime.common.driver.api.ResourceLaunchHandler; |
| import org.apache.reef.runtime.common.files.REEFFileNames; |
| import org.apache.reef.runtime.common.parameters.JVMHeapSlack; |
| import org.apache.reef.runtime.yarn.client.SecurityTokenProvider; |
| import org.apache.reef.runtime.yarn.util.YarnTypes; |
| import org.apache.reef.runtime.yarn.util.YarnUtilities; |
| import org.apache.reef.tang.InjectionFuture; |
| import org.apache.reef.tang.annotations.Parameter; |
| |
| import javax.inject.Inject; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * Resource launch handler for YARN. |
| */ |
| public final class YARNResourceLaunchHandler implements ResourceLaunchHandler { |
| |
| private static final Logger LOG = Logger.getLogger(YARNResourceLaunchHandler.class.getName()); |
| |
| private final Containers containers; |
| private final InjectionFuture<YarnContainerManager> yarnContainerManager; |
| private final EvaluatorSetupHelper evaluatorSetupHelper; |
| private final REEFFileNames filenames; |
| private final double jvmHeapFactor; |
| private final SecurityTokenProvider tokenProvider; |
| |
| @Inject |
| YARNResourceLaunchHandler(final Containers containers, |
| final InjectionFuture<YarnContainerManager> yarnContainerManager, |
| final EvaluatorSetupHelper evaluatorSetupHelper, |
| final REEFFileNames filenames, |
| @Parameter(JVMHeapSlack.class) final double jvmHeapSlack, |
| final SecurityTokenProvider tokenProvider) { |
| this.jvmHeapFactor = 1.0 - jvmHeapSlack; |
| LOG.log(Level.FINEST, "Instantiating 'YARNResourceLaunchHandler'"); |
| this.containers = containers; |
| this.yarnContainerManager = yarnContainerManager; |
| this.evaluatorSetupHelper = evaluatorSetupHelper; |
| this.filenames = filenames; |
| this.tokenProvider = tokenProvider; |
| LOG.log(Level.FINE, "Instantiated 'YARNResourceLaunchHandler'"); |
| } |
| |
| @Override |
| public void onNext(final ResourceLaunchEvent resourceLaunchEvent) { |
| try { |
| |
| final String containerId = resourceLaunchEvent.getIdentifier(); |
| LOG.log(Level.FINEST, "TIME: Start ResourceLaunch {0}", containerId); |
| final Container container = this.containers.get(containerId); |
| LOG.log(Level.FINEST, "Setting up container launch container for id={0}", container.getId()); |
| final Map<String, LocalResource> localResources = |
| this.evaluatorSetupHelper.getResources(resourceLaunchEvent); |
| |
| final List<String> command = getLaunchCommand(resourceLaunchEvent, container.getResource().getMemory()); |
| if (LOG.isLoggable(Level.INFO)) { |
| LOG.log(Level.INFO, |
| "TIME: Run ResourceLaunchProto {0} command: {1} resources: {2}", |
| new Object[] {containerId, StringUtils.join(command, ' '), localResources}); |
| } |
| |
| final byte[] securityTokensBuffer = this.tokenProvider.getTokens(); |
| final ContainerLaunchContext ctx = YarnTypes.getContainerLaunchContext( |
| command, localResources, securityTokensBuffer, YarnUtilities.getApplicationId()); |
| this.yarnContainerManager.get().submit(container, ctx); |
| |
| LOG.log(Level.FINEST, "TIME: End ResourceLaunch {0}", containerId); |
| |
| } catch (final IOException e) { |
| LOG.log(Level.WARNING, "Error handling resource launch message: " + resourceLaunchEvent, e); |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private List<String> getLaunchCommand(final ResourceLaunchEvent resourceLaunchEvent, |
| final int containerMemory) { |
| final EvaluatorProcess process = resourceLaunchEvent.getProcess() |
| .setConfigurationFileName(this.filenames.getEvaluatorConfigurationPath()) |
| .setStandardErr(ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/" + |
| this.filenames.getEvaluatorStderrFileName()) |
| .setStandardOut(ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/" + |
| this.filenames.getEvaluatorStdoutFileName()); |
| |
| if (process.isOptionSet()) { |
| return process.getCommandLine(); |
| } else { |
| return process |
| .setMemory((int) (this.jvmHeapFactor * containerMemory)) |
| .getCommandLine(); |
| } |
| } |
| } |