HADOOP-8013 ViewFileSystem does not honor setVerifyChecksum (Dayrn Sharp via bobby)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1240383 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Joseph Evans 2012-02-03 22:55:52 +00:00
parent fdc47f7833
commit da00476fca
7 changed files with 53 additions and 46 deletions

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@ -83,17 +83,20 @@ Trunk (unreleased changes)
kerberos. (jitendra)
BUG FIXES
HADOOP-8013. ViewFileSystem does not honor setVerifyChecksum
(Daryn Sharp via bobby)
HADOOP-8018. Hudson auto test for HDFS has started throwing javadoc
(Jon Eagles via bobby)
HADOOP-8001 ChecksumFileSystem's rename doesn't correctly handle checksum
files. (Daryn Sharp via bobby)
files. (Daryn Sharp via bobby)
HADOOP-8006 TestFSInputChecker is failing in trunk.
(Daryn Sharp via bobby)
(Daryn Sharp via bobby)
HADOOP-7998. CheckFileSystem does not correctly honor setVerifyChecksum
(Daryn Sharp via bobby)
(Daryn Sharp via bobby)
HADOOP-7851. Configuration.getClasses() never returns the default value.
(Uma Maheswara Rao G via amarrk)

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@ -20,6 +20,7 @@ package org.apache.hadoop.fs;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.EnumSet;
import java.util.List;
@ -51,6 +52,7 @@ import org.apache.hadoop.util.Progressable;
public class FilterFileSystem extends FileSystem {
protected FileSystem fs;
private String swapScheme;
/*
* so that extending classes can define it
@ -77,7 +79,11 @@ public class FilterFileSystem extends FileSystem {
* @param conf the configuration
*/
public void initialize(URI name, Configuration conf) throws IOException {
fs.initialize(name, conf);
super.initialize(name, conf);
String scheme = name.getScheme();
if (!scheme.equals(fs.getUri().getScheme())) {
swapScheme = scheme;
}
}
/** Returns a URI whose scheme and authority identify this FileSystem.*/
@ -96,7 +102,19 @@ public class FilterFileSystem extends FileSystem {
/** Make sure that a path specifies a FileSystem. */
public Path makeQualified(Path path) {
return fs.makeQualified(path);
Path fqPath = fs.makeQualified(path);
// swap in our scheme if the filtered fs is using a different scheme
if (swapScheme != null) {
try {
// NOTE: should deal with authority, but too much other stuff is broken
fqPath = new Path(
new URI(swapScheme, fqPath.toUri().getSchemeSpecificPart(), null)
);
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
}
}
return fqPath;
}
///////////////////////////////////////////////////////////////

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@ -24,6 +24,7 @@ import java.util.*;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
/****************************************************************
* Implement the FileSystem API for the checksumed local filesystem.
@ -34,21 +35,26 @@ import org.apache.hadoop.classification.InterfaceStability;
public class LocalFileSystem extends ChecksumFileSystem {
static final URI NAME = URI.create("file:///");
static private Random rand = new Random();
FileSystem rfs;
public LocalFileSystem() {
this(new RawLocalFileSystem());
}
public FileSystem getRaw() {
return rfs;
return getRawFileSystem();
}
public LocalFileSystem(FileSystem rawLocalFileSystem) {
super(rawLocalFileSystem);
rfs = rawLocalFileSystem;
}
@Override
public void initialize(URI uri, Configuration conf) throws IOException {
super.initialize(uri, conf);
// ctor didn't initialize the filtered fs
getRawFileSystem().initialize(uri, conf);
}
/** Convert a path to a File. */
public File pathToFile(Path path) {
return ((RawLocalFileSystem)fs).pathToFile(path);

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@ -19,8 +19,6 @@ package org.apache.hadoop.fs.viewfs;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
@ -82,37 +80,16 @@ class ChRootedFileSystem extends FilterFileSystem {
/**
* Constructor
* @param fs base file system
* @param theRoot chRoot for this file system
* @throws URISyntaxException
* @param uri base file system
* @param conf configuration
* @throws IOException
*/
public ChRootedFileSystem(final FileSystem fs, final Path theRoot)
throws URISyntaxException {
super(fs);
makeQualified(theRoot); //check that root is a valid path for fs
// Would like to call myFs.checkPath(theRoot);
// but not public
chRootPathPart = new Path(theRoot.toUri().getPath());
public ChRootedFileSystem(final URI uri, Configuration conf)
throws IOException {
super(FileSystem.get(uri, conf));
chRootPathPart = new Path(uri.getPath());
chRootPathPartString = chRootPathPart.toUri().getPath();
try {
initialize(fs.getUri(), fs.getConf());
} catch (IOException e) { // This exception should not be thrown
throw new RuntimeException("This should not occur");
}
/*
* We are making URI include the chrootedPath: e.g. file:///chrootedPath.
* This is questionable since Path#makeQualified(uri, path) ignores
* the pathPart of a uri. Since this class is internal we can ignore
* this issue but if we were to make it external then this needs
* to be resolved.
*/
// Handle the two cases:
// scheme:/// and scheme://authority/
myUri = new URI(fs.getUri().toString() +
(fs.getUri().getAuthority() == null ? "" : Path.SEPARATOR) +
chRootPathPart.toString().substring(1));
myUri = uri;
workingDir = getHomeDirectory();
// We don't use the wd of the myFs
}

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@ -168,8 +168,7 @@ public class ViewFileSystem extends FileSystem {
protected
FileSystem getTargetFileSystem(final URI uri)
throws URISyntaxException, IOException {
return new ChRootedFileSystem(FileSystem.get(uri, config),
new Path(uri.getPath()));
return new ChRootedFileSystem(uri, config);
}
@Override
@ -464,8 +463,11 @@ public class ViewFileSystem extends FileSystem {
@Override
public void setVerifyChecksum(final boolean verifyChecksum) {
// This is a file system level operations, however ViewFileSystem
// points to many file systems. Noop for ViewFileSystem.
List<InodeTree.MountPoint<FileSystem>> mountPoints =
fsState.getMountPoints();
for (InodeTree.MountPoint<FileSystem> mount : mountPoints) {
mount.target.targetFileSystem.setVerifyChecksum(verifyChecksum);
}
}
public MountPoint[] getMountPoints() {

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@ -72,14 +72,15 @@ public final class FileSystemTestHelper {
public static String getAbsoluteTestRootDir(FileSystem fSys)
throws IOException {
if (absTestRootDir == null) {
// NOTE: can't cache because of different filesystems!
//if (absTestRootDir == null)
if (TEST_ROOT_DIR.startsWith("/")) {
absTestRootDir = TEST_ROOT_DIR;
} else {
absTestRootDir = fSys.getWorkingDirectory().toString() + "/"
+ TEST_ROOT_DIR;
}
}
//}
return absTestRootDir;
}

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@ -51,7 +51,7 @@ public class TestChRootedFileSystem {
// ChRoot to the root of the testDirectory
fSys = new ChRootedFileSystem(fSysTarget, chrootedTo);
fSys = new ChRootedFileSystem(chrootedTo.toUri(), conf);
}
@After