| /** |
| * 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.hadoop.mapred; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.mapreduce.test.system.TTProtocol; |
| import org.apache.hadoop.security.authorize.Service; |
| import org.apache.hadoop.test.system.DaemonProtocol; |
| |
| /** |
| * This aspect adds two MR specific Herriot protocols tp the list of |
| * 'authorized' Herriot protocols. Protocol descriptors i.e. |
| * 'security.tt.protocol.acl' have to be added to <code>hadoop-policy.xml</code> |
| * if present |
| */ |
| public privileged aspect MapReducePolicyProviderAspect { |
| private static final Log LOG = LogFactory |
| .getLog(MapReducePolicyProviderAspect.class); |
| ArrayList<Service> herriotMRServices = null; |
| |
| pointcut updateMRServices() : |
| execution (public Service[] MapReducePolicyProvider.getServices()); |
| |
| Service[] around() : updateMRServices () { |
| herriotMRServices = new ArrayList<Service>(); |
| for (Service s : MapReducePolicyProvider.mapReduceServices) { |
| LOG.debug("Copying configured protocol to " |
| + s.getProtocol().getCanonicalName()); |
| herriotMRServices.add(s); |
| } |
| herriotMRServices.add(new Service("security.daemon.protocol.acl", |
| DaemonProtocol.class)); |
| herriotMRServices.add(new Service("security.tt.protocol.acl", |
| TTProtocol.class)); |
| final Service[] retArray = herriotMRServices |
| .toArray(new Service[herriotMRServices.size()]); |
| LOG.debug("Number of configured protocols to return: " + retArray.length); |
| return retArray; |
| } |
| } |