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MAPREDUCE-3529. TokenCache does not cache viewfs credentials correctly. (sseth) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1227374 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Siddharth Seth 2012-01-04 23:07:27 +00:00
parent c27de4bd0b
commit f445eb31f1
3 changed files with 175 additions and 13 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
View File

@ -395,6 +395,9 @@ Release 0.23.1 - Unreleased
MAPREDUCE-1744. DistributedCache creates its own FileSytem instance when
adding a file/archive to the path. (Dick King via tucu)
MAPREDUCE-3529. TokenCache does not cache viewfs credentials correctly
(sseth)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

24
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/security/TokenCache.java
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@ -19,9 +19,7 @@
package org.apache.hadoop.mapreduce.security;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -35,9 +33,7 @@
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.Master;
import org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier;
import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
@ -90,7 +86,7 @@ static void obtainTokensForNamenodesInternal(Credentials credentials,
obtainTokensForNamenodesInternal(fs, credentials, conf);
}
}
/**
* get delegation token for a specific FS
* @param fs
@ -99,6 +95,7 @@ static void obtainTokensForNamenodesInternal(Credentials credentials,
* @param conf
* @throws IOException
*/
@SuppressWarnings("deprecation")
static void obtainTokensForNamenodesInternal(FileSystem fs,
Credentials credentials, Configuration conf) throws IOException {
String delegTokenRenewer = Master.getMasterPrincipal(conf);
@ -131,7 +128,8 @@ static void obtainTokensForNamenodesInternal(FileSystem fs,
return;
}
}
List<Token<?>> tokens = fs.getDelegationTokens(delegTokenRenewer);
List<Token<?>> tokens =
fs.getDelegationTokens(delegTokenRenewer, credentials);
if (tokens != null) {
for (Token<?> token : tokens) {
credentials.addToken(token.getService(), token);
@ -141,13 +139,13 @@ static void obtainTokensForNamenodesInternal(FileSystem fs,
}
//Call getDelegationToken as well for now - for FS implementations
// which may not have implmented getDelegationTokens (hftp)
Token<?> token = fs.getDelegationToken(delegTokenRenewer);
if (token != null) {
Text fsNameText = new Text(fsName);
token.setService(fsNameText);
credentials.addToken(fsNameText, token);
LOG.info("Got dt for " + fs.getUri() + ";uri="+ fsName +
";t.service="+token.getService());
if (tokens == null || tokens.size() == 0) {
Token<?> token = fs.getDelegationToken(delegTokenRenewer);
if (token != null) {
credentials.addToken(token.getService(), token);
LOG.info("Got dt for " + fs.getUri() + ";uri=" + fsName
+ ";t.service=" + token.getService());
}
}
}
}

161
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/security/TestTokenCache.java Normal file
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@ -0,0 +1,161 @@
/**
* 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.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.net.URI;
import java.util.LinkedList;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapred.Master;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class TestTokenCache {
@Test
@SuppressWarnings("deprecation")
public void testGetDelegationTokensNotImplemented() throws Exception {
Credentials credentials = new Credentials();
Configuration conf = new Configuration();
conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/host@REALM");
String renewer = Master.getMasterPrincipal(conf);
FileSystem fs = setupSingleFsWithoutGetDelegationTokens();
TokenCache.obtainTokensForNamenodesInternal(fs, credentials, conf);
assertEquals(1, credentials.getAllTokens().size());
verify(fs).getDelegationTokens(renewer, credentials);
verify(fs).getDelegationToken(renewer);
}
@Test
public void testManagedFileSystem() throws Exception {
Credentials credentials = new Credentials();
Configuration conf = new Configuration();
conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/host@REALM");
String renewer = Master.getMasterPrincipal(conf);
FileSystem singleFs = setupSingleFs();
FileSystem multiFs = setupMultiFs(singleFs, renewer, credentials);
TokenCache.obtainTokensForNamenodesInternal(singleFs, credentials, conf);
assertEquals(1, credentials.getAllTokens().size());
TokenCache.obtainTokensForNamenodesInternal(singleFs, credentials, conf);
assertEquals(1, credentials.getAllTokens().size());
TokenCache.obtainTokensForNamenodesInternal(multiFs, credentials, conf);
assertEquals(2, credentials.getAllTokens().size());
TokenCache.obtainTokensForNamenodesInternal(multiFs, credentials, conf);
assertEquals(2, credentials.getAllTokens().size());
verify(singleFs, times(1)).getDelegationTokens(renewer, credentials);
verify(multiFs, times(2)).getDelegationTokens(renewer, credentials);
// A call to getDelegationToken would have generated an exception.
}
@SuppressWarnings("deprecation")
private FileSystem setupSingleFsWithoutGetDelegationTokens() throws Exception {
FileSystem mockFs = mock(FileSystem.class);
when(mockFs.getCanonicalServiceName()).thenReturn("singlefs4");
when(mockFs.getUri()).thenReturn(new URI("singlefs4:///"));
final Token<?> mockToken = (Token<?>) mock(Token.class);
when(mockToken.getService()).thenReturn(new Text("singlefs4"));
when(mockFs.getDelegationToken(any(String.class))).thenAnswer(
new Answer<Token<?>>() {
@Override
public Token<?> answer(InvocationOnMock invocation) throws Throwable {
return mockToken;
}
});
when(mockFs.getDelegationTokens(any(String.class), any(Credentials.class)))
.thenReturn(new LinkedList<Token<?>>());
return mockFs;
}
private FileSystem setupSingleFs() throws Exception {
FileSystem mockFs = mock(FileSystem.class);
when(mockFs.getCanonicalServiceName()).thenReturn("singlefs1");
when(mockFs.getUri()).thenReturn(new URI("singlefs1:///"));
List<Token<?>> tokens = new LinkedList<Token<?>>();
Token<?> mockToken = mock(Token.class);
when(mockToken.getService()).thenReturn(new Text("singlefs1"));
tokens.add(mockToken);
when(mockFs.getDelegationTokens(any(String.class))).thenThrow(
new RuntimeException(
"getDelegationTokens(renewer) should not be called"));
when(mockFs.getDelegationTokens(any(String.class), any(Credentials.class)))
.thenReturn(tokens);
return mockFs;
}
private FileSystem setupMultiFs(final FileSystem singleFs,
final String renewer, final Credentials credentials) throws Exception {
FileSystem mockFs = mock(FileSystem.class);
when(mockFs.getCanonicalServiceName()).thenReturn("multifs");
when(mockFs.getUri()).thenReturn(new URI("multifs:///"));
when(mockFs.getDelegationTokens(any(String.class))).thenThrow(
new RuntimeException(
"getDelegationTokens(renewer) should not be called"));
when(mockFs.getDelegationTokens(renewer, credentials)).thenAnswer(
new Answer<List<Token<?>>>() {
@Override
public List<Token<?>> answer(InvocationOnMock invocation)
throws Throwable {
List<Token<?>> newTokens = new LinkedList<Token<?>>();
if (credentials.getToken(new Text("singlefs1")) == null) {
newTokens.addAll(singleFs.getDelegationTokens(renewer,
credentials));
} else {
newTokens.add(credentials.getToken(new Text("singlefs1")));
}
Token<?> mockToken2 = mock(Token.class);
when(mockToken2.getService()).thenReturn(new Text("singlefs2"));
newTokens.add(mockToken2);
return newTokens;
}
});
return mockFs;
}
}