| /* |
| * 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.yarn; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Maps; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.yarn.api.records.ApplicationAccessType; |
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; |
| import org.apache.hadoop.yarn.api.records.LocalResource; |
| import org.apache.hadoop.yarn.util.Records; |
| |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * |
| */ |
| public final class Hadoop20YarnLaunchContext implements YarnLaunchContext { |
| |
| private static final Function<YarnLocalResource, LocalResource> RESOURCE_TRANSFORM; |
| |
| static { |
| // Creates transform function from YarnLocalResource -> LocalResource |
| RESOURCE_TRANSFORM = new Function<YarnLocalResource, LocalResource>() { |
| @Override |
| public LocalResource apply(YarnLocalResource input) { |
| return input.getLocalResource(); |
| } |
| }; |
| } |
| |
| private final ContainerLaunchContext launchContext; |
| |
| public Hadoop20YarnLaunchContext() { |
| launchContext = Records.newRecord(ContainerLaunchContext.class); |
| } |
| |
| @Override |
| public <T> T getLaunchContext() { |
| return (T) launchContext; |
| } |
| |
| @Override |
| public void setCredentials(Credentials credentials) { |
| launchContext.setContainerTokens(YarnUtils.encodeCredentials(credentials)); |
| } |
| |
| @Override |
| public void setLocalResources(Map<String, YarnLocalResource> localResources) { |
| launchContext.setLocalResources(Maps.transformValues(localResources, RESOURCE_TRANSFORM)); |
| } |
| |
| @Override |
| public void setServiceData(Map<String, ByteBuffer> serviceData) { |
| launchContext.setServiceData(serviceData); |
| } |
| |
| @Override |
| public Map<String, String> getEnvironment() { |
| return launchContext.getEnvironment(); |
| } |
| |
| @Override |
| public void setEnvironment(Map<String, String> environment) { |
| launchContext.setEnvironment(environment); |
| } |
| |
| @Override |
| public List<String> getCommands() { |
| return launchContext.getCommands(); |
| } |
| |
| @Override |
| public void setCommands(List<String> commands) { |
| launchContext.setCommands(commands); |
| } |
| |
| @Override |
| public void setApplicationACLs(Map<ApplicationAccessType, String> acls) { |
| launchContext.setApplicationACLs(acls); |
| } |
| } |