| /* |
| * 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.Joiner; |
| import com.google.common.base.Throwables; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.security.SecurityUtil; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.security.token.TokenIdentifier; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; |
| import org.apache.hadoop.yarn.client.api.YarnClient; |
| import org.apache.hadoop.yarn.conf.HAUtil; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.util.ConverterUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.net.InetSocketAddress; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * <p> |
| * The service implementation of {@link YarnAppClient} for Apache Hadoop 2.3 and beyond. |
| * |
| * The {@link VersionDetectYarnAppClientFactory} class will decide to return instance of this class for |
| * Apache Hadoop 2.3 and beyond. |
| * </p> |
| */ |
| @SuppressWarnings("unused") |
| public class Hadoop23YarnAppClient extends Hadoop21YarnAppClient { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(Hadoop23YarnAppClient.class); |
| |
| public Hadoop23YarnAppClient(Configuration configuration) { |
| super(configuration); |
| } |
| |
| /** |
| * Overrides parent method to adds RM delegation token to the given context. If YARN is running with HA RM, |
| * delegation tokens for each RM service will be added. |
| */ |
| protected void addRMToken(ContainerLaunchContext context, YarnClient yarnClient, ApplicationId appId) { |
| if (!UserGroupInformation.isSecurityEnabled()) { |
| return; |
| } |
| |
| try { |
| Text renewer = new Text(UserGroupInformation.getCurrentUser().getShortUserName()); |
| org.apache.hadoop.yarn.api.records.Token rmDelegationToken = yarnClient.getRMDelegationToken(renewer); |
| |
| // The following logic is copied from ClientRMProxy.getRMDelegationTokenService, which is not available in |
| // YARN older than 2.4 |
| List<String> services = new ArrayList<>(); |
| if (HAUtil.isHAEnabled(configuration)) { |
| // If HA is enabled, we need to enumerate all RM hosts |
| // and add the corresponding service name to the token service |
| // Copy the yarn conf since we need to modify it to get the RM addresses |
| YarnConfiguration yarnConf = new YarnConfiguration(configuration); |
| for (String rmId : HAUtil.getRMHAIds(configuration)) { |
| yarnConf.set(YarnConfiguration.RM_HA_ID, rmId); |
| InetSocketAddress address = yarnConf.getSocketAddr(YarnConfiguration.RM_ADDRESS, |
| YarnConfiguration.DEFAULT_RM_ADDRESS, |
| YarnConfiguration.DEFAULT_RM_PORT); |
| services.add(SecurityUtil.buildTokenService(address).toString()); |
| } |
| } else { |
| services.add(SecurityUtil.buildTokenService(YarnUtils.getRMAddress(configuration)).toString()); |
| } |
| |
| Credentials credentials = YarnUtils.decodeCredentials(context.getTokens()); |
| |
| // casting needed for later Hadoop version |
| @SuppressWarnings("RedundantCast") |
| Token<TokenIdentifier> token = ConverterUtils.convertFromYarn(rmDelegationToken, (InetSocketAddress) null); |
| |
| token.setService(new Text(Joiner.on(',').join(services))); |
| credentials.addToken(new Text(token.getService()), token); |
| |
| LOG.debug("Added RM delegation token {} for application {}", token, appId); |
| credentials.addToken(token.getService(), token); |
| |
| context.setTokens(YarnUtils.encodeCredentials(credentials)); |
| |
| } catch (Exception e) { |
| throw Throwables.propagate(e); |
| } |
| } |
| } |