| /* |
| * 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.slider.core.launch; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.net.NetUtils; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.security.ContainerTokenIdentifier; |
| import org.apache.hadoop.yarn.util.ConverterUtils; |
| import org.apache.slider.common.tools.CoreFileSystem; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.net.InetSocketAddress; |
| |
| /** |
| * Code to ease launching of any container |
| */ |
| public class ContainerLauncher extends AbstractLauncher { |
| private static final Logger log = |
| LoggerFactory.getLogger(ContainerLauncher.class); |
| // Allocated container |
| public final Container container; |
| |
| public ContainerLauncher(Configuration conf, |
| CoreFileSystem fs, |
| Container container) { |
| super(conf, fs); |
| this.container = container; |
| } |
| |
| /** |
| * This code is in the dist shell examples -it's been moved here |
| * so that if it is needed, it's still here |
| * @return a remote user with a token to access the container. |
| */ |
| public UserGroupInformation setupUGI() { |
| UserGroupInformation user = |
| UserGroupInformation.createRemoteUser(container.getId().toString()); |
| String cmIpPortStr = container.getNodeId().getHost() + ":" + container.getNodeId().getPort(); |
| final InetSocketAddress cmAddress = NetUtils.createSocketAddr(cmIpPortStr); |
| |
| org.apache.hadoop.yarn.api.records.Token containerToken = container.getContainerToken(); |
| if (containerToken != null) { |
| Token<ContainerTokenIdentifier> token = |
| ConverterUtils.convertFromYarn(containerToken, cmAddress); |
| user.addToken(token); |
| } |
| return user; |
| } |
| |
| } |