| /** |
| * 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.security; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.MiniMRCluster; |
| import org.apache.hadoop.mapred.tools.MRAdmin; |
| import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestMapredGroupMappingServiceRefresh { |
| private MiniDFSCluster cluster; |
| JobConf config; |
| private static long groupRefreshTimeoutSec = 2; |
| private static final Log LOG = LogFactory |
| .getLog(TestMapredGroupMappingServiceRefresh.class); |
| |
| public static class MockUnixGroupsMapping implements GroupMappingServiceProvider { |
| private int i=0; |
| |
| @Override |
| public List<String> getGroups(String user) throws IOException { |
| String g1 = user + (10 * i + 1); |
| String g2 = user + (10 * i + 2); |
| List<String> l = new ArrayList<String>(2); |
| l.add(g1); |
| l.add(g2); |
| i++; |
| return l; |
| } |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| config = new JobConf(new Configuration()); |
| |
| config.setClass(CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING, |
| TestMapredGroupMappingServiceRefresh.MockUnixGroupsMapping.class, |
| GroupMappingServiceProvider.class); |
| config.setLong(CommonConfigurationKeys.HADOOP_SECURITY_GROUPS_CACHE_SECS, |
| groupRefreshTimeoutSec); |
| |
| LOG.info("GROUP MAPPING class name=" + |
| config.getClass(CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING, |
| ShellBasedUnixGroupsMapping.class,GroupMappingServiceProvider.class). |
| getName()); |
| |
| String namenodeUrl = "hdfs://localhost:" + "0"; |
| FileSystem.setDefaultUri(config, namenodeUrl); |
| |
| cluster = new MiniDFSCluster(0, config, 1, true, true, true, null, null, |
| null, null); |
| cluster.waitActive(); |
| URI uri = cluster.getURI(); |
| |
| MiniMRCluster miniMRCluster = new MiniMRCluster(0, uri.toString() , |
| 3, null, null, config); |
| |
| config.set(JTConfig.JT_IPC_ADDRESS, "localhost:"+miniMRCluster.getJobTrackerPort()); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if(cluster!=null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testGroupMappingRefresh() throws Exception { |
| MRAdmin admin = new MRAdmin(config); |
| String [] args = new String[] { "-refreshUserToGroupsMappings" }; |
| |
| Groups groups = SecurityUtil.getUserToGroupsMappingService(config); |
| String user = UnixUserGroupInformation.getUnixUserName(); |
| System.out.println("first attempt:"); |
| List<String> g1 = groups.getGroups(user); |
| String [] str_groups = new String [g1.size()]; |
| g1.toArray(str_groups); |
| System.out.println(Arrays.toString(str_groups)); |
| |
| System.out.println("second attempt, should be same:"); |
| List<String> g2 = groups.getGroups(user); |
| g2.toArray(str_groups); |
| System.out.println(Arrays.toString(str_groups)); |
| for(int i=0; i<g2.size(); i++) { |
| assertEquals("Should be same group ", g1.get(i), g2.get(i)); |
| } |
| // run refresh command |
| admin.run(args); |
| |
| System.out.println("third attempt(after refresh command), should be different:"); |
| List<String> g3 = groups.getGroups(user); |
| g3.toArray(str_groups); |
| System.out.println(Arrays.toString(str_groups)); |
| for(int i=0; i<g3.size(); i++) { |
| assertFalse("Should be different group ", g1.get(i).equals(g3.get(i))); |
| } |
| System.out.println(""); |
| |
| // test time out |
| Thread.sleep(groupRefreshTimeoutSec*1100); |
| System.out.println("fourth attempt(after timeout), should be different:"); |
| List<String> g4 = groups.getGroups(user); |
| g4.toArray(str_groups); |
| System.out.println(Arrays.toString(str_groups)); |
| for(int i=0; i<g4.size(); i++) { |
| assertFalse("Should be different group ", g3.get(i).equals(g4.get(i))); |
| } |
| } |
| } |