| /** |
| * 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.io.BufferedReader; |
| import java.io.InputStreamReader; |
| import java.util.StringTokenizer; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; |
| import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; |
| import org.apache.hadoop.mapreduce.test.system.MRCluster; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import testjar.UserNamePermission; |
| |
| public class TestTaskOwner { |
| private static final Log LOG = LogFactory.getLog(TestTaskOwner.class); |
| private static Path outDir = new Path("output"); |
| private static Path inDir = new Path("input"); |
| public static MRCluster cluster; |
| |
| // The role of this job is to write the user name to the output file |
| // which will be parsed |
| |
| @BeforeClass |
| public static void setUp() throws java.lang.Exception { |
| |
| cluster = MRCluster.createCluster(new Configuration()); |
| cluster.setUp(); |
| FileSystem fs = inDir.getFileSystem(cluster.getJTClient().getConf()); |
| // Make sure that all is clean in case last tearDown wasn't successful |
| fs.delete(outDir, true); |
| fs.delete(inDir, true); |
| |
| fs.create(inDir, true); |
| } |
| |
| @Test |
| public void testProcessPermission() throws Exception { |
| // The user will submit a job which a plain old map reduce job |
| // this job will output the username of the task that is running |
| // in the cluster and we will authenticate whether matches |
| // with the job that is submitted by the same user. |
| |
| Configuration conf = cluster.getJTClient().getConf(); |
| Job job = new Job(conf, "user name check"); |
| |
| job.setJarByClass(UserNamePermission.class); |
| job.setMapperClass(UserNamePermission.UserNameMapper.class); |
| job.setCombinerClass(UserNamePermission.UserNameReducer.class); |
| job.setMapOutputKeyClass(Text.class); |
| job.setMapOutputValueClass(Text.class); |
| |
| job.setReducerClass(UserNamePermission.UserNameReducer.class); |
| job.setNumReduceTasks(1); |
| |
| FileInputFormat.addInputPath(job, inDir); |
| FileOutputFormat.setOutputPath(job, outDir); |
| |
| job.waitForCompletion(true); |
| |
| // now verify the user name that is written by the task tracker is same |
| // as the |
| // user name that was used to launch the task in the first place |
| FileSystem fs = outDir.getFileSystem(conf); |
| |
| Path[] fileList = FileUtil.stat2Paths(fs.listStatus(outDir, |
| new Utils.OutputFileUtils.OutputFilesFilter())); |
| |
| for (int i = 0; i < fileList.length; ++i) { |
| LOG.info("File list[" + i + "]" + ": " + fileList[i]); |
| BufferedReader file = new BufferedReader(new InputStreamReader(fs |
| .open(fileList[i]))); |
| String line = file.readLine(); |
| while (line != null) { |
| StringTokenizer token = new StringTokenizer(line); |
| if (token.hasMoreTokens()) { |
| LOG.info("First token " + token.nextToken()); |
| String userName = token.nextToken(); |
| |
| LOG.info("Next token " + userName); |
| Assert |
| .assertEquals( |
| "The user name did not match permission violation ", |
| userName, System.getProperty("user.name") |
| .toString()); |
| break; |
| } |
| } |
| file.close(); |
| } |
| } |
| |
| @AfterClass |
| public static void tearDown() throws java.lang.Exception { |
| FileSystem fs = outDir.getFileSystem(cluster.getJTClient().getConf()); |
| fs.delete(outDir, true); |
| fs.delete(inDir, true); |
| cluster.tearDown(); |
| } |
| } |
| |
| |