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HADOOP-8408. MR doesn't work with a non-default ViewFS mount table and security enabled. Contributed by Aaron T. Myers 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1339971 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-05-18 04:22:30 +00:00
parent 297cbcca27
commit b1d3b518c2
3 changed files with 81 additions and 0 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -40,6 +40,9 @@ Release 2.0.1-alpha - UNRELEASED
HADOOP-8287. etc/hadoop is missing hadoop-env.sh (eli)
HADOOP-8408. MR doesn't work with a non-default ViewFS mount table
and security enabled. (atm via eli)
Release 2.0.0-alpha - UNRELEASED
INCOMPATIBLE CHANGES

5
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/ViewFileSystem.java
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@ -234,6 +234,11 @@ public class ViewFileSystem extends FileSystem {
return res.isInternalDir() ? null : res.targetFileSystem.getHomeDirectory();
}
@Override
public String getCanonicalServiceName() {
return getUri().getHost();
}
@Override
public URI getUri() {
return myUri;

73
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemDelegationTokenSupport.java Normal file
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@ -0,0 +1,73 @@
/**
* 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.fs.viewfs;
import static org.junit.Assert.*;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FsConstants;
import org.junit.Test;
/**
* Test ViewFileSystem's support for having delegation tokens fetched and cached
* for the file system.
*/
public class TestViewFileSystemDelegationTokenSupport {
private static final String MOUNT_TABLE_NAME = "vfs-cluster";
/**
* Ensure that a canonical service name can be determined for ViewFileSystem
* instances configured with a non-default mount table name.
*
* Regression test for HADOOP-8408.
*/
@Test
public void testGetCanonicalServiceNameWithNonDefaultMountTable()
throws URISyntaxException, IOException {
Configuration conf = new Configuration();
ConfigUtil.addLink(conf, MOUNT_TABLE_NAME, "/user", new URI("file:///"));
FileSystem viewFs = FileSystem.get(new URI(FsConstants.VIEWFS_SCHEME +
"://" + MOUNT_TABLE_NAME), conf);
String serviceName = viewFs.getCanonicalServiceName();
assertNotNull(serviceName);
assertEquals(MOUNT_TABLE_NAME, serviceName);
}
@Test
public void testGetCanonicalServiceNameWithDefaultMountTable()
throws URISyntaxException, IOException {
Configuration conf = new Configuration();
ConfigUtil.addLink(conf, "/user", new URI("file:///"));
FileSystem viewFs = FileSystem.get(FsConstants.VIEWFS_URI, conf);
String serviceName = viewFs.getCanonicalServiceName();
assertNull(serviceName);
}
}