| /* |
| * 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.twill.internal.appmaster; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.collect.Maps; |
| import org.apache.twill.common.Cancellable; |
| import org.apache.twill.internal.EnvKeys; |
| import org.apache.twill.internal.ProcessController; |
| import org.apache.twill.internal.yarn.AbstractYarnProcessLauncher; |
| import org.apache.twill.internal.yarn.YarnContainerInfo; |
| import org.apache.twill.internal.yarn.YarnLaunchContext; |
| import org.apache.twill.internal.yarn.YarnNMClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Map; |
| |
| /** |
| * |
| */ |
| public final class RunnableProcessLauncher extends AbstractYarnProcessLauncher<YarnContainerInfo> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(RunnableProcessLauncher.class); |
| |
| private final YarnContainerInfo containerInfo; |
| private final YarnNMClient nmClient; |
| private boolean launched; |
| |
| public RunnableProcessLauncher(YarnContainerInfo containerInfo, YarnNMClient nmClient) { |
| super(containerInfo); |
| this.containerInfo = containerInfo; |
| this.nmClient = nmClient; |
| } |
| |
| @Override |
| public String toString() { |
| return Objects.toStringHelper(this) |
| .add("container", containerInfo) |
| .toString(); |
| } |
| |
| @Override |
| protected <R> ProcessController<R> doLaunch(YarnLaunchContext launchContext) { |
| Map<String, String> env = Maps.newHashMap(launchContext.getEnvironment()); |
| |
| // Set extra environments |
| env.put(EnvKeys.YARN_CONTAINER_ID, containerInfo.getId()); |
| env.put(EnvKeys.YARN_CONTAINER_HOST, containerInfo.getHost().getHostName()); |
| env.put(EnvKeys.YARN_CONTAINER_PORT, Integer.toString(containerInfo.getPort())); |
| env.put(EnvKeys.YARN_CONTAINER_MEMORY_MB, Integer.toString(containerInfo.getMemoryMB())); |
| env.put(EnvKeys.YARN_CONTAINER_VIRTUAL_CORES, Integer.toString(containerInfo.getVirtualCores())); |
| |
| launchContext.setEnvironment(env); |
| |
| LOG.info("Launching in container {} at {}:{}, {}", |
| containerInfo.getId(), containerInfo.getHost().getHostName(), |
| containerInfo.getPort(), launchContext.getCommands()); |
| final Cancellable cancellable = nmClient.start(containerInfo, launchContext); |
| launched = true; |
| |
| return new ProcessController<R>() { |
| @Override |
| public void close() throws Exception { |
| // no-op |
| } |
| |
| @Override |
| public R getReport() { |
| // No reporting support for runnable launch yet. |
| return null; |
| |
| } |
| |
| @Override |
| public void cancel() { |
| cancellable.cancel(); |
| } |
| }; |
| } |
| |
| public boolean isLaunched() { |
| return launched; |
| } |
| } |