branch-0.23.1/hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/mapreduce/security/TestTokenCacheOldApi.java - hadoop - Git at Google

 /** 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.mapreduce.security;


 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;

 import java.io.File;
 import java.io.IOException;
 import java.net.URI;
 import java.security.NoSuchAlgorithmException;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;

 import javax.crypto.KeyGenerator;
 import javax.crypto.spec.SecretKeySpec;

 import org.apache.commons.codec.binary.Base64;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.io.NullWritable;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.mapred.EmptyInputFormat;
 import org.apache.hadoop.mapred.JobClient;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.JobTracker;
 import org.apache.hadoop.mapred.Mapper;
 import org.apache.hadoop.mapred.MiniMRCluster;
 import org.apache.hadoop.mapred.OutputCollector;
 import org.apache.hadoop.mapred.Partitioner;
 import org.apache.hadoop.mapred.Reducer;
 import org.apache.hadoop.mapred.Reporter;
 import org.apache.hadoop.mapred.lib.NullOutputFormat;
 import org.apache.hadoop.mapreduce.JobContext;
 import org.apache.hadoop.security.Credentials;
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
 import org.apache.hadoop.util.Tool;
 import org.apache.hadoop.util.ToolRunner;
 import org.codehaus.jackson.map.ObjectMapper;
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;


 @SuppressWarnings("deprecation")
 public class TestTokenCacheOldApi {
   private static final int NUM_OF_KEYS = 10;

   // my sleep class - adds check for tokenCache
   static class MyDummyJob extends Configured implements Tool,
       Mapper<IntWritable, IntWritable, IntWritable, NullWritable>,
       Reducer<IntWritable, NullWritable, NullWritable, NullWritable>,
       Partitioner<IntWritable, NullWritable> {
     Credentials ts;

     public void configure(JobConf job) {
     }

     /**
      * attempts to access tokenCache as from client
      */
     public void map(IntWritable key, IntWritable value,
         OutputCollector<IntWritable, NullWritable> output, Reporter reporter)
         throws IOException {
       // get token storage and a key
       byte[] key1 = ts.getSecretKey(new Text("alias1"));
       Collection<Token<? extends TokenIdentifier>> dts = ts.getAllTokens();
       int dts_size = 0;
       if(dts != null)
         dts_size = dts.size();

       if(dts.size() != 2) { // one job token and one delegation token
         throw new RuntimeException("tokens are not available"); // fail the test
       }

       if(key1 == null || ts == null || ts.numberOfSecretKeys() != NUM_OF_KEYS) {
         throw new RuntimeException("secret keys are not available"); // fail the test
       }

       output.collect(new IntWritable(1), NullWritable.get());
     }

     public JobConf setupJobConf() {

       JobConf job = new JobConf(getConf(), MyDummyJob.class);
       job.setNumMapTasks(1);
       job.setNumReduceTasks(1);
       job.setMapperClass(MyDummyJob.class);
       job.setMapOutputKeyClass(IntWritable.class);
       job.setMapOutputValueClass(NullWritable.class);
       job.setReducerClass(MyDummyJob.class);
       job.setOutputFormat(NullOutputFormat.class);
       job.setInputFormat(EmptyInputFormat.class);
       job.setPartitionerClass(MyDummyJob.class);
       job.setSpeculativeExecution(false);
       job.setJobName("Sleep job");
       populateTokens(job);
       return job;
     }

     private void populateTokens(JobConf job) {
       // Credentials in the job will not have delegation tokens
       // because security is disabled. Fetch delegation tokens
       // and populate the credential in the job.
       try {
         Credentials ts = job.getCredentials();
         Path p1 = new Path("file1");
         p1 = p1.getFileSystem(job).makeQualified(p1);
         Credentials cred = new Credentials();
         TokenCache.obtainTokensForNamenodesInternal(cred, new Path[] { p1 },
             job);
         for (Token<? extends TokenIdentifier> t : cred.getAllTokens()) {
           ts.addToken(new Text("Hdfs"), t);
         }
       } catch (IOException e) {
         Assert.fail("Exception " + e);
       }
     }

     public void close() throws IOException {
     }

     public void reduce(IntWritable key, Iterator<NullWritable> values,
         OutputCollector<NullWritable, NullWritable> output, Reporter reporter)
         throws IOException {
       return;
     }

     public int getPartition(IntWritable key, NullWritable value,
         int numPartitions) {
       return key.get() % numPartitions;
     }

     public int run(String[] args) throws Exception {
       JobConf job = setupJobConf();
       JobClient.runJob(job);
       return 0;
     }
   }

   private static MiniMRCluster mrCluster;
   private static MiniDFSCluster dfsCluster;
   private static final Path TEST_DIR =
     new Path(System.getProperty("test.build.data","/tmp"), "sleepTest");
   private static final Path tokenFileName = new Path(TEST_DIR, "tokenFile.json");
   private static int numSlaves = 1;
   private static JobConf jConf;
   private static ObjectMapper mapper = new ObjectMapper();
   private static Path p1;
   private static Path p2;

   @BeforeClass
   public static void setUp() throws Exception {
     Configuration conf = new Configuration();
     dfsCluster = new MiniDFSCluster(conf, numSlaves, true, null);
     jConf = new JobConf(conf);
     mrCluster = new MiniMRCluster(0, 0, numSlaves,
         dfsCluster.getFileSystem().getUri().toString(), 1, null, null, null,
         jConf);

     createTokenFileJson();
     verifySecretKeysInJSONFile();
     NameNodeAdapter.getDtSecretManager(dfsCluster.getNamesystem()).startThreads();
     FileSystem fs = dfsCluster.getFileSystem();

     p1 = new Path("file1");
     p2 = new Path("file2");
     p1 = fs.makeQualified(p1);
   }

   @AfterClass
   public static void tearDown() throws Exception {
     if(mrCluster != null)
       mrCluster.shutdown();
     mrCluster = null;
     if(dfsCluster != null)
       dfsCluster.shutdown();
     dfsCluster = null;
   }

   // create jason file and put some keys into it..
   private static void createTokenFileJson() throws IOException {
     Map<String, String> map = new HashMap<String, String>();

     try {
       KeyGenerator kg = KeyGenerator.getInstance("HmacSHA1");
       for(int i=0; i<NUM_OF_KEYS; i++) {
         SecretKeySpec key = (SecretKeySpec) kg.generateKey();
         byte [] enc_key = key.getEncoded();
         map.put("alias"+i, new String(Base64.encodeBase64(enc_key)));

       }
     } catch (NoSuchAlgorithmException e) {
       throw new IOException(e);
     }

     try {
       File p  = new File(tokenFileName.getParent().toString());
       p.mkdirs();
       // convert to JSON and save to the file
       mapper.writeValue(new File(tokenFileName.toString()), map);

     } catch (Exception e) {
       System.out.println("failed with :" + e.getLocalizedMessage());
     }
   }

   @SuppressWarnings("unchecked")
   private static void verifySecretKeysInJSONFile() throws IOException {
     Map<String, String> map;
     map = mapper.readValue(new File(tokenFileName.toString()), Map.class);
     assertEquals("didn't read JSON correctly", map.size(), NUM_OF_KEYS);
   }

   /**
    * run a distributed job and verify that TokenCache is available
    * @throws IOException
    */
   @Test
   public void testTokenCache() throws IOException {
     // make sure JT starts
     jConf = mrCluster.createJobConf();

     // provide namenodes names for the job to get the delegation tokens for
     //String nnUri = dfsCluster.getNameNode().getUri(namenode).toString();
     NameNode nn = dfsCluster.getNameNode();
     URI nnUri = NameNode.getUri(nn.getNameNodeAddress());
     jConf.set(JobContext.JOB_NAMENODES, nnUri + "," + nnUri.toString());
     // job tracker principle id..
     jConf.set(JobTracker.JT_USER_NAME, "jt_id");

     // using argument to pass the file name
     String[] args = {
        "-tokenCacheFile", tokenFileName.toString(),
         "-m", "1", "-r", "1", "-mt", "1", "-rt", "1"
         };

     int res = -1;
     try {
       res = ToolRunner.run(jConf, new MyDummyJob(), args);
     } catch (Exception e) {
       System.out.println("Job failed with" + e.getLocalizedMessage());
       e.printStackTrace(System.out);
       Assert.fail("Job failed");
     }
     assertEquals("dist job res is not 0", res, 0);
   }

   /**
    * run a local job and verify that TokenCache is available
    * @throws NoSuchAlgorithmException
    * @throws IOException
    */
   @Test
   public void testLocalJobTokenCache() throws NoSuchAlgorithmException, IOException {
     // this is local job
     String[] args = {"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"};
     jConf.set("mapreduce.job.credentials.json", tokenFileName.toString());

     int res = -1;
     try {
       res = ToolRunner.run(jConf, new MyDummyJob(), args);
     } catch (Exception e) {
       System.out.println("Job failed with" + e.getLocalizedMessage());
       e.printStackTrace(System.out);
       fail("local Job failed");
     }
     assertEquals("local job res is not 0", res, 0);
   }
 }
	/** 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.mapreduce.security;


	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.fail;

	import java.io.File;
	import java.io.IOException;
	import java.net.URI;
	import java.security.NoSuchAlgorithmException;
	import java.util.Collection;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;

	import javax.crypto.KeyGenerator;
	import javax.crypto.spec.SecretKeySpec;

	import org.apache.commons.codec.binary.Base64;
	import org.apache.hadoop.conf.Configuration;
	import org.apache.hadoop.conf.Configured;
	import org.apache.hadoop.fs.FileSystem;
	import org.apache.hadoop.fs.Path;
	import org.apache.hadoop.hdfs.MiniDFSCluster;
	import org.apache.hadoop.hdfs.server.namenode.NameNode;
	import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
	import org.apache.hadoop.io.IntWritable;
	import org.apache.hadoop.io.NullWritable;
	import org.apache.hadoop.io.Text;
	import org.apache.hadoop.mapred.EmptyInputFormat;
	import org.apache.hadoop.mapred.JobClient;
	import org.apache.hadoop.mapred.JobConf;
	import org.apache.hadoop.mapred.JobTracker;
	import org.apache.hadoop.mapred.Mapper;
	import org.apache.hadoop.mapred.MiniMRCluster;
	import org.apache.hadoop.mapred.OutputCollector;
	import org.apache.hadoop.mapred.Partitioner;
	import org.apache.hadoop.mapred.Reducer;
	import org.apache.hadoop.mapred.Reporter;
	import org.apache.hadoop.mapred.lib.NullOutputFormat;
	import org.apache.hadoop.mapreduce.JobContext;
	import org.apache.hadoop.security.Credentials;
	import org.apache.hadoop.security.token.Token;
	import org.apache.hadoop.security.token.TokenIdentifier;
	import org.apache.hadoop.util.Tool;
	import org.apache.hadoop.util.ToolRunner;
	import org.codehaus.jackson.map.ObjectMapper;
	import org.junit.AfterClass;
	import org.junit.Assert;
	import org.junit.BeforeClass;
	import org.junit.Test;


	@SuppressWarnings("deprecation")
	public class TestTokenCacheOldApi {
	private static final int NUM_OF_KEYS = 10;

	// my sleep class - adds check for tokenCache
	static class MyDummyJob extends Configured implements Tool,
	Mapper<IntWritable, IntWritable, IntWritable, NullWritable>,
	Reducer<IntWritable, NullWritable, NullWritable, NullWritable>,
	Partitioner<IntWritable, NullWritable> {
	Credentials ts;

	public void configure(JobConf job) {
	}

	/**
	* attempts to access tokenCache as from client
	*/
	public void map(IntWritable key, IntWritable value,
	OutputCollector<IntWritable, NullWritable> output, Reporter reporter)
	throws IOException {
	// get token storage and a key
	byte[] key1 = ts.getSecretKey(new Text("alias1"));
	Collection<Token<? extends TokenIdentifier>> dts = ts.getAllTokens();
	int dts_size = 0;
	if(dts != null)
	dts_size = dts.size();

	if(dts.size() != 2) { // one job token and one delegation token
	throw new RuntimeException("tokens are not available"); // fail the test
	}

	if(key1 == null \|\| ts == null \|\| ts.numberOfSecretKeys() != NUM_OF_KEYS) {
	throw new RuntimeException("secret keys are not available"); // fail the test
	}

	output.collect(new IntWritable(1), NullWritable.get());
	}

	public JobConf setupJobConf() {

	JobConf job = new JobConf(getConf(), MyDummyJob.class);
	job.setNumMapTasks(1);
	job.setNumReduceTasks(1);
	job.setMapperClass(MyDummyJob.class);
	job.setMapOutputKeyClass(IntWritable.class);
	job.setMapOutputValueClass(NullWritable.class);
	job.setReducerClass(MyDummyJob.class);
	job.setOutputFormat(NullOutputFormat.class);
	job.setInputFormat(EmptyInputFormat.class);
	job.setPartitionerClass(MyDummyJob.class);
	job.setSpeculativeExecution(false);
	job.setJobName("Sleep job");
	populateTokens(job);
	return job;
	}

	private void populateTokens(JobConf job) {
	// Credentials in the job will not have delegation tokens
	// because security is disabled. Fetch delegation tokens
	// and populate the credential in the job.
	try {
	Credentials ts = job.getCredentials();
	Path p1 = new Path("file1");
	p1 = p1.getFileSystem(job).makeQualified(p1);
	Credentials cred = new Credentials();
	TokenCache.obtainTokensForNamenodesInternal(cred, new Path[] { p1 },
	job);
	for (Token<? extends TokenIdentifier> t : cred.getAllTokens()) {
	ts.addToken(new Text("Hdfs"), t);
	}
	} catch (IOException e) {
	Assert.fail("Exception " + e);
	}
	}

	public void close() throws IOException {
	}

	public void reduce(IntWritable key, Iterator<NullWritable> values,
	OutputCollector<NullWritable, NullWritable> output, Reporter reporter)
	throws IOException {
	return;
	}

	public int getPartition(IntWritable key, NullWritable value,
	int numPartitions) {
	return key.get() % numPartitions;
	}

	public int run(String[] args) throws Exception {
	JobConf job = setupJobConf();
	JobClient.runJob(job);
	return 0;
	}
	}

	private static MiniMRCluster mrCluster;
	private static MiniDFSCluster dfsCluster;
	private static final Path TEST_DIR =
	new Path(System.getProperty("test.build.data","/tmp"), "sleepTest");
	private static final Path tokenFileName = new Path(TEST_DIR, "tokenFile.json");
	private static int numSlaves = 1;
	private static JobConf jConf;
	private static ObjectMapper mapper = new ObjectMapper();
	private static Path p1;
	private static Path p2;

	@BeforeClass
	public static void setUp() throws Exception {
	Configuration conf = new Configuration();
	dfsCluster = new MiniDFSCluster(conf, numSlaves, true, null);
	jConf = new JobConf(conf);
	mrCluster = new MiniMRCluster(0, 0, numSlaves,
	dfsCluster.getFileSystem().getUri().toString(), 1, null, null, null,
	jConf);

	createTokenFileJson();
	verifySecretKeysInJSONFile();
	NameNodeAdapter.getDtSecretManager(dfsCluster.getNamesystem()).startThreads();
	FileSystem fs = dfsCluster.getFileSystem();

	p1 = new Path("file1");
	p2 = new Path("file2");
	p1 = fs.makeQualified(p1);
	}

	@AfterClass
	public static void tearDown() throws Exception {
	if(mrCluster != null)
	mrCluster.shutdown();
	mrCluster = null;
	if(dfsCluster != null)
	dfsCluster.shutdown();
	dfsCluster = null;
	}

	// create jason file and put some keys into it..
	private static void createTokenFileJson() throws IOException {
	Map<String, String> map = new HashMap<String, String>();

	try {
	KeyGenerator kg = KeyGenerator.getInstance("HmacSHA1");
	for(int i=0; i<NUM_OF_KEYS; i++) {
	SecretKeySpec key = (SecretKeySpec) kg.generateKey();
	byte [] enc_key = key.getEncoded();
	map.put("alias"+i, new String(Base64.encodeBase64(enc_key)));

	}
	} catch (NoSuchAlgorithmException e) {
	throw new IOException(e);
	}

	try {
	File p = new File(tokenFileName.getParent().toString());
	p.mkdirs();
	// convert to JSON and save to the file
	mapper.writeValue(new File(tokenFileName.toString()), map);

	} catch (Exception e) {
	System.out.println("failed with :" + e.getLocalizedMessage());
	}
	}

	@SuppressWarnings("unchecked")
	private static void verifySecretKeysInJSONFile() throws IOException {
	Map<String, String> map;
	map = mapper.readValue(new File(tokenFileName.toString()), Map.class);
	assertEquals("didn't read JSON correctly", map.size(), NUM_OF_KEYS);
	}

	/**
	* run a distributed job and verify that TokenCache is available
	* @throws IOException
	*/
	@Test
	public void testTokenCache() throws IOException {
	// make sure JT starts
	jConf = mrCluster.createJobConf();

	// provide namenodes names for the job to get the delegation tokens for
	//String nnUri = dfsCluster.getNameNode().getUri(namenode).toString();
	NameNode nn = dfsCluster.getNameNode();
	URI nnUri = NameNode.getUri(nn.getNameNodeAddress());
	jConf.set(JobContext.JOB_NAMENODES, nnUri + "," + nnUri.toString());
	// job tracker principle id..
	jConf.set(JobTracker.JT_USER_NAME, "jt_id");

	// using argument to pass the file name
	String[] args = {
	"-tokenCacheFile", tokenFileName.toString(),
	"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"
	};

	int res = -1;
	try {
	res = ToolRunner.run(jConf, new MyDummyJob(), args);
	} catch (Exception e) {
	System.out.println("Job failed with" + e.getLocalizedMessage());
	e.printStackTrace(System.out);
	Assert.fail("Job failed");
	}
	assertEquals("dist job res is not 0", res, 0);
	}

	/**
	* run a local job and verify that TokenCache is available
	* @throws NoSuchAlgorithmException
	* @throws IOException
	*/
	@Test
	public void testLocalJobTokenCache() throws NoSuchAlgorithmException, IOException {
	// this is local job
	String[] args = {"-m", "1", "-r", "1", "-mt", "1", "-rt", "1"};
	jConf.set("mapreduce.job.credentials.json", tokenFileName.toString());

	int res = -1;
	try {
	res = ToolRunner.run(jConf, new MyDummyJob(), args);
	} catch (Exception e) {
	System.out.println("Job failed with" + e.getLocalizedMessage());
	e.printStackTrace(System.out);
	fail("local Job failed");
	}
	assertEquals("local job res is not 0", res, 0);
	}
	}