| /** |
| * 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.apex.engine.security; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.api.records.ApplicationAccessType; |
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| |
| import com.google.common.collect.Maps; |
| |
| /** |
| * |
| */ |
| public class ACLManager |
| { |
| |
| private static final Logger logger = LoggerFactory.getLogger(ACLManager.class); |
| |
| public static void setupUserACLs(ContainerLaunchContext launchContext, String userName, Configuration conf) throws IOException |
| { |
| logger.debug("Setup login acls {}", userName); |
| if (areACLsRequired(conf)) { |
| logger.debug("Configuring ACLs for {}", userName); |
| Map<ApplicationAccessType, String> acls = Maps.newHashMap(); |
| acls.put(ApplicationAccessType.VIEW_APP, userName); |
| acls.put(ApplicationAccessType.MODIFY_APP, userName); |
| launchContext.setApplicationACLs(acls); |
| } |
| } |
| |
| public static boolean areACLsRequired(Configuration conf) |
| { |
| logger.debug("Check ACLs required"); |
| if (conf.getBoolean(YarnConfiguration.YARN_ACL_ENABLE, YarnConfiguration.DEFAULT_YARN_ACL_ENABLE)) { |
| logger.debug("Admin ACL {}", conf.get(YarnConfiguration.YARN_ADMIN_ACL)); |
| if (!YarnConfiguration.DEFAULT_YARN_ADMIN_ACL.equals(conf.get(YarnConfiguration.YARN_ADMIN_ACL))) { |
| logger.debug("Non default admin ACL"); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } |