revert HADOOP-9652
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1508248 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
parent
817a654346
commit
f593d57296
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@ -310,9 +310,6 @@ Release 2.3.0 - UNRELEASED
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HADOOP-9582. Non-existent file to "hadoop fs -conf" doesn't throw error
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HADOOP-9582. Non-existent file to "hadoop fs -conf" doesn't throw error
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(Ashwin Shankar via jlowe)
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(Ashwin Shankar via jlowe)
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HADOOP-9652. RawLocalFs#getFileLinkStatus does not fill in the link owner
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and mode. (Andrew Wang via Colin Patrick McCabe)
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Release 2.1.1-beta - UNRELEASED
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Release 2.1.1-beta - UNRELEASED
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INCOMPATIBLE CHANGES
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INCOMPATIBLE CHANGES
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@ -113,14 +113,7 @@ public abstract class DelegateToFileSystem extends AbstractFileSystem {
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@Override
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@Override
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public FileStatus getFileLinkStatus(final Path f) throws IOException {
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public FileStatus getFileLinkStatus(final Path f) throws IOException {
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FileStatus status = fsImpl.getFileLinkStatus(f);
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return getFileStatus(f);
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// FileSystem#getFileLinkStatus qualifies the link target
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// AbstractFileSystem needs to return it plain since it's qualified
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// in FileContext, so re-get and set the plain target
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if (status.isSymlink()) {
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status.setSymlink(fsImpl.getLinkTarget(f));
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}
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return status;
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}
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}
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@Override
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@Override
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@ -206,18 +199,22 @@ public abstract class DelegateToFileSystem extends AbstractFileSystem {
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@Override
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@Override
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public boolean supportsSymlinks() {
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public boolean supportsSymlinks() {
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return fsImpl.supportsSymlinks();
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return false;
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}
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}
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@Override
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@Override
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public void createSymlink(Path target, Path link, boolean createParent)
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public void createSymlink(Path target, Path link, boolean createParent)
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throws IOException {
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throws IOException {
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fsImpl.createSymlink(target, link, createParent);
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throw new IOException("File system does not support symlinks");
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}
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}
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@Override
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@Override
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public Path getLinkTarget(final Path f) throws IOException {
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public Path getLinkTarget(final Path f) throws IOException {
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return fsImpl.getLinkTarget(f);
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/* We should never get here. Any file system that threw an
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* UnresolvedLinkException, causing this function to be called,
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* should override getLinkTarget.
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*/
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throw new AssertionError();
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}
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}
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@Override //AbstractFileSystem
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@Override //AbstractFileSystem
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@ -26,7 +26,6 @@ import java.io.InputStreamReader;
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import java.util.Arrays;
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import java.util.Arrays;
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import org.apache.hadoop.util.Shell;
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import org.apache.hadoop.util.Shell;
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import org.apache.hadoop.util.Shell.OSType;
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/**
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/**
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* Class for creating hardlinks.
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* Class for creating hardlinks.
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@ -42,7 +41,15 @@ import org.apache.hadoop.util.Shell.OSType;
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*/
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*/
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public class HardLink {
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public class HardLink {
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public static OSType osType = Shell.osType;
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public enum OSType {
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OS_TYPE_UNIX,
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OS_TYPE_WIN,
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OS_TYPE_SOLARIS,
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OS_TYPE_MAC,
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OS_TYPE_FREEBSD
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}
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public static OSType osType;
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private static HardLinkCommandGetter getHardLinkCommand;
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private static HardLinkCommandGetter getHardLinkCommand;
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public final LinkStats linkStats; //not static
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public final LinkStats linkStats; //not static
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@ -50,11 +57,12 @@ public class HardLink {
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//initialize the command "getters" statically, so can use their
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//initialize the command "getters" statically, so can use their
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//methods without instantiating the HardLink object
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//methods without instantiating the HardLink object
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static {
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static {
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osType = getOSType();
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if (osType == OSType.OS_TYPE_WIN) {
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if (osType == OSType.OS_TYPE_WIN) {
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// Windows
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// Windows
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getHardLinkCommand = new HardLinkCGWin();
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getHardLinkCommand = new HardLinkCGWin();
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} else {
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} else {
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// Unix or Linux
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// Unix
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getHardLinkCommand = new HardLinkCGUnix();
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getHardLinkCommand = new HardLinkCGUnix();
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//override getLinkCountCommand for the particular Unix variant
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//override getLinkCountCommand for the particular Unix variant
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//Linux is already set as the default - {"stat","-c%h", null}
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//Linux is already set as the default - {"stat","-c%h", null}
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@ -72,6 +80,26 @@ public class HardLink {
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linkStats = new LinkStats();
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linkStats = new LinkStats();
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}
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}
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static private OSType getOSType() {
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String osName = System.getProperty("os.name");
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if (Shell.WINDOWS) {
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return OSType.OS_TYPE_WIN;
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}
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else if (osName.contains("SunOS")
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|| osName.contains("Solaris")) {
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return OSType.OS_TYPE_SOLARIS;
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}
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else if (osName.contains("Mac")) {
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return OSType.OS_TYPE_MAC;
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}
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else if (osName.contains("FreeBSD")) {
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return OSType.OS_TYPE_FREEBSD;
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}
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else {
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return OSType.OS_TYPE_UNIX;
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}
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}
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/**
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/**
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* This abstract class bridges the OS-dependent implementations of the
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* This abstract class bridges the OS-dependent implementations of the
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* needed functionality for creating hardlinks and querying link counts.
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* needed functionality for creating hardlinks and querying link counts.
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@ -385,9 +385,6 @@ public class RawLocalFileSystem extends FileSystem {
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throw new FileNotFoundException("File " + f + " does not exist");
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throw new FileNotFoundException("File " + f + " does not exist");
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}
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}
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if (localf.isFile()) {
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if (localf.isFile()) {
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if (!Shell.WINDOWS) {
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return new FileStatus[] { getFileStatus(f) };
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}
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return new FileStatus[] {
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return new FileStatus[] {
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new RawLocalFileStatus(localf, getDefaultBlockSize(f), this) };
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new RawLocalFileStatus(localf, getDefaultBlockSize(f), this) };
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}
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}
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@ -519,10 +516,6 @@ public class RawLocalFileSystem extends FileSystem {
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@Override
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@Override
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public FileStatus getFileStatus(Path f) throws IOException {
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public FileStatus getFileStatus(Path f) throws IOException {
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if (!Shell.WINDOWS) {
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return getFileLinkStatusInternal(f, true);
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}
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File path = pathToFile(f);
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File path = pathToFile(f);
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if (path.exists()) {
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if (path.exists()) {
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return new RawLocalFileStatus(pathToFile(f), getDefaultBlockSize(f), this);
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return new RawLocalFileStatus(pathToFile(f), getDefaultBlockSize(f), this);
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@ -531,7 +524,6 @@ public class RawLocalFileSystem extends FileSystem {
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}
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}
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}
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}
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@Deprecated
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static class RawLocalFileStatus extends FileStatus {
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static class RawLocalFileStatus extends FileStatus {
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/* We can add extra fields here. It breaks at least CopyFiles.FilePair().
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/* We can add extra fields here. It breaks at least CopyFiles.FilePair().
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* We recognize if the information is already loaded by check if
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* We recognize if the information is already loaded by check if
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@ -705,7 +697,6 @@ public class RawLocalFileSystem extends FileSystem {
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* the given path does not refer to a symlink or there is an error
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* the given path does not refer to a symlink or there is an error
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* accessing the symlink.
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* accessing the symlink.
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*/
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*/
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@Deprecated
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private String readLink(Path p) {
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private String readLink(Path p) {
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/* NB: Use readSymbolicLink in java.nio.file.Path once available. Could
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/* NB: Use readSymbolicLink in java.nio.file.Path once available. Could
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* use getCanonicalPath in File to get the target of the symlink but that
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* use getCanonicalPath in File to get the target of the symlink but that
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@ -726,12 +717,7 @@ public class RawLocalFileSystem extends FileSystem {
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*/
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*/
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@Override
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@Override
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public FileStatus getFileLinkStatus(final Path f) throws IOException {
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public FileStatus getFileLinkStatus(final Path f) throws IOException {
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FileStatus fi;
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FileStatus fi = getFileLinkStatusInternal(f);
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if (!Shell.WINDOWS) {
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fi = getFileLinkStatusInternal(f, false);
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} else {
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fi = getFileLinkStatusInternal(f);
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}
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// getFileLinkStatus is supposed to return a symlink with a
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// getFileLinkStatus is supposed to return a symlink with a
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// qualified path
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// qualified path
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if (fi.isSymlink()) {
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if (fi.isSymlink()) {
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@ -742,12 +728,6 @@ public class RawLocalFileSystem extends FileSystem {
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return fi;
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return fi;
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}
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}
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/**
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* Deprecated. Remains for windows support. Should be removed in favor of
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* {@link #getFileLinkStatusInternal(Path, boolean)} when {@link Stat} gains
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* support for windows.
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*/
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@Deprecated
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private FileStatus getFileLinkStatusInternal(final Path f) throws IOException {
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private FileStatus getFileLinkStatusInternal(final Path f) throws IOException {
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String target = readLink(f);
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String target = readLink(f);
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@ -785,17 +765,9 @@ public class RawLocalFileSystem extends FileSystem {
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}
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}
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}
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}
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private FileStatus getFileLinkStatusInternal(final Path f,
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boolean dereference) throws IOException {
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checkPath(f);
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Stat stat = new Stat(f, getDefaultBlockSize(f), dereference, this);
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FileStatus status = stat.getFileStatus();
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return status;
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}
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@Override
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@Override
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public Path getLinkTarget(Path f) throws IOException {
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public Path getLinkTarget(Path f) throws IOException {
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FileStatus fi = getFileLinkStatusInternal(f, false);
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FileStatus fi = getFileLinkStatusInternal(f);
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// return an unqualified symlink target
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// return an unqualified symlink target
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return fi.getSymlink();
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return fi.getSymlink();
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}
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}
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@ -1,159 +0,0 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.fs;
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import java.io.BufferedReader;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.NoSuchElementException;
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import java.util.StringTokenizer;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.util.Shell;
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import org.apache.hadoop.util.Shell.OSType;
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import com.google.common.annotations.VisibleForTesting;
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/**
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* Wrapper for the Unix stat(1) command. Used to workaround the lack of
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* lstat(2) in Java 6.
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*/
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@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
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@InterfaceStability.Evolving
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public class Stat extends Shell {
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private final Path original;
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private final Path qualified;
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private final Path path;
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private final long blockSize;
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private final boolean dereference;
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private FileStatus stat;
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public Stat(Path path, long blockSize, boolean deref, FileSystem fs)
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throws IOException {
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super();
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// Original path
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this.original = path;
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// Qualify with working directory and scheme/auth
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this.qualified = original.makeQualified(
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fs.getUri(), fs.getWorkingDirectory());
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// Strip back down to a plain path
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this.path = new Path(qualified.toUri().getPath());
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this.blockSize = blockSize;
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this.dereference = deref;
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}
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public FileStatus getFileStatus() throws IOException {
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run();
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return stat;
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}
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@VisibleForTesting
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FileStatus getFileStatusForTesting() {
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return stat;
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}
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@Override
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protected String[] getExecString() {
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String derefFlag = "-";
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if (dereference) {
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derefFlag = "-L";
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}
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if (osType == OSType.OS_TYPE_LINUX) {
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return new String[] {
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"bash", "-c",
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"exec 'stat' '" + derefFlag + "c' '%s,%F,%Y,%X,%a,%U,%G,%N' '"
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+ path + "' 2>&1" };
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} else if (osType == OSType.OS_TYPE_FREEBSD) {
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return new String[] {
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"bash", "-c",
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"exec 'stat' '" + derefFlag + "f' '%z,%HT,%m,%a,%Op,%Su,%Sg,`link\' -> `%Y\'' '"
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+ path + "' 2>&1" };
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} else {
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throw new UnsupportedOperationException(
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|
||||||
"stat is not supported on this platform");
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||||||
}
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|
||||||
}
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@Override
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|
||||||
protected void parseExecResult(BufferedReader lines) throws IOException {
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|
||||||
// Reset stat
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|
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stat = null;
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|
||||||
|
|
||||||
String line = lines.readLine();
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|
||||||
if (line == null) {
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|
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throw new IOException("Unable to stat path: " + original);
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|
||||||
}
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|
||||||
if (line.endsWith("No such file or directory") ||
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|
||||||
line.endsWith("Not a directory")) {
|
|
||||||
throw new FileNotFoundException("File " + original + " does not exist");
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|
||||||
}
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|
||||||
if (line.endsWith("Too many levels of symbolic links")) {
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|
||||||
throw new IOException("Possible cyclic loop while following symbolic" +
|
|
||||||
" link " + original);
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|
||||||
}
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|
||||||
// 6,symbolic link,6,1373584236,1373584236,lrwxrwxrwx,andrew,andrew,`link' -> `target'
|
|
||||||
StringTokenizer tokens = new StringTokenizer(line, ",");
|
|
||||||
try {
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|
||||||
long length = Long.parseLong(tokens.nextToken());
|
|
||||||
boolean isDir = tokens.nextToken().equalsIgnoreCase("directory") ? true
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|
||||||
: false;
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|
||||||
// Convert from seconds to milliseconds
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|
||||||
long modTime = Long.parseLong(tokens.nextToken())*1000;
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|
||||||
long accessTime = Long.parseLong(tokens.nextToken())*1000;
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|
||||||
// FsPermissions only supports exactly 3 octal digits
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|
||||||
// Need to pad up and trim down
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|
||||||
String octalPerms = tokens.nextToken();
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|
||||||
while (octalPerms.length() < 3) {
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|
||||||
octalPerms = "0" + octalPerms;
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|
||||||
}
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|
||||||
octalPerms = octalPerms.substring(octalPerms.length()-3);
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|
||||||
FsPermission perms = new FsPermission(octalPerms);
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|
||||||
String owner = tokens.nextToken();
|
|
||||||
String group = tokens.nextToken();
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|
||||||
String symStr = tokens.nextToken();
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|
||||||
// 'notalink'
|
|
||||||
// 'link' -> `target'
|
|
||||||
// '' -> ''
|
|
||||||
Path symlink = null;
|
|
||||||
StringTokenizer symTokens = new StringTokenizer(symStr, "`");
|
|
||||||
symTokens.nextToken();
|
|
||||||
try {
|
|
||||||
String target = symTokens.nextToken();
|
|
||||||
target = target.substring(0, target.length()-1);
|
|
||||||
if (!target.isEmpty()) {
|
|
||||||
symlink = new Path(target);
|
|
||||||
}
|
|
||||||
} catch (NoSuchElementException e) {
|
|
||||||
// null if not a symlink
|
|
||||||
}
|
|
||||||
// Set stat
|
|
||||||
stat = new FileStatus(length, isDir, 1, blockSize, modTime, accessTime,
|
|
||||||
perms, owner, group, symlink, qualified);
|
|
||||||
System.out.println(line);
|
|
||||||
System.out.println(stat.toString());
|
|
||||||
} catch (NumberFormatException e) {
|
|
||||||
throw new IOException("Unexpected stat output: " + line, e);
|
|
||||||
} catch (NoSuchElementException e) {
|
|
||||||
throw new IOException("Unexpected stat output: " + line, e);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
|
@ -17,6 +17,7 @@
|
||||||
*/
|
*/
|
||||||
package org.apache.hadoop.fs.local;
|
package org.apache.hadoop.fs.local;
|
||||||
|
|
||||||
|
import java.io.FileNotFoundException;
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.net.URI;
|
import java.net.URI;
|
||||||
import java.net.URISyntaxException;
|
import java.net.URISyntaxException;
|
||||||
|
@ -26,9 +27,13 @@ import org.apache.hadoop.classification.InterfaceStability;
|
||||||
import org.apache.hadoop.conf.Configuration;
|
import org.apache.hadoop.conf.Configuration;
|
||||||
import org.apache.hadoop.fs.AbstractFileSystem;
|
import org.apache.hadoop.fs.AbstractFileSystem;
|
||||||
import org.apache.hadoop.fs.DelegateToFileSystem;
|
import org.apache.hadoop.fs.DelegateToFileSystem;
|
||||||
|
import org.apache.hadoop.fs.FileStatus;
|
||||||
import org.apache.hadoop.fs.FsConstants;
|
import org.apache.hadoop.fs.FsConstants;
|
||||||
import org.apache.hadoop.fs.FsServerDefaults;
|
import org.apache.hadoop.fs.FsServerDefaults;
|
||||||
|
import org.apache.hadoop.fs.Path;
|
||||||
import org.apache.hadoop.fs.RawLocalFileSystem;
|
import org.apache.hadoop.fs.RawLocalFileSystem;
|
||||||
|
import org.apache.hadoop.fs.permission.FsPermission;
|
||||||
|
import org.apache.hadoop.util.Shell;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The RawLocalFs implementation of AbstractFileSystem.
|
* The RawLocalFs implementation of AbstractFileSystem.
|
||||||
|
@ -67,6 +72,92 @@ public class RawLocalFs extends DelegateToFileSystem {
|
||||||
return LocalConfigKeys.getServerDefaults();
|
return LocalConfigKeys.getServerDefaults();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public boolean supportsSymlinks() {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void createSymlink(Path target, Path link, boolean createParent)
|
||||||
|
throws IOException {
|
||||||
|
final String targetScheme = target.toUri().getScheme();
|
||||||
|
if (targetScheme != null && !"file".equals(targetScheme)) {
|
||||||
|
throw new IOException("Unable to create symlink to non-local file "+
|
||||||
|
"system: "+target.toString());
|
||||||
|
}
|
||||||
|
if (createParent) {
|
||||||
|
mkdir(link.getParent(), FsPermission.getDirDefault(), true);
|
||||||
|
}
|
||||||
|
// NB: Use createSymbolicLink in java.nio.file.Path once available
|
||||||
|
try {
|
||||||
|
Shell.execCommand(Shell.getSymlinkCommand(
|
||||||
|
Path.getPathWithoutSchemeAndAuthority(target).toString(),
|
||||||
|
Path.getPathWithoutSchemeAndAuthority(link).toString()));
|
||||||
|
} catch (IOException x) {
|
||||||
|
throw new IOException("Unable to create symlink: "+x.getMessage());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the target of the given symlink. Returns the empty string if
|
||||||
|
* the given path does not refer to a symlink or there is an error
|
||||||
|
* acessing the symlink.
|
||||||
|
*/
|
||||||
|
private String readLink(Path p) {
|
||||||
|
/* NB: Use readSymbolicLink in java.nio.file.Path once available. Could
|
||||||
|
* use getCanonicalPath in File to get the target of the symlink but that
|
||||||
|
* does not indicate if the given path refers to a symlink.
|
||||||
|
*/
|
||||||
|
try {
|
||||||
|
final String path = p.toUri().getPath();
|
||||||
|
return Shell.execCommand(Shell.READ_LINK_COMMAND, path).trim();
|
||||||
|
} catch (IOException x) {
|
||||||
|
return "";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Return a FileStatus representing the given path. If the path refers
|
||||||
|
* to a symlink return a FileStatus representing the link rather than
|
||||||
|
* the object the link refers to.
|
||||||
|
*/
|
||||||
|
@Override
|
||||||
|
public FileStatus getFileLinkStatus(final Path f) throws IOException {
|
||||||
|
String target = readLink(f);
|
||||||
|
try {
|
||||||
|
FileStatus fs = getFileStatus(f);
|
||||||
|
// If f refers to a regular file or directory
|
||||||
|
if (target.isEmpty()) {
|
||||||
|
return fs;
|
||||||
|
}
|
||||||
|
// Otherwise f refers to a symlink
|
||||||
|
return new FileStatus(fs.getLen(),
|
||||||
|
false,
|
||||||
|
fs.getReplication(),
|
||||||
|
fs.getBlockSize(),
|
||||||
|
fs.getModificationTime(),
|
||||||
|
fs.getAccessTime(),
|
||||||
|
fs.getPermission(),
|
||||||
|
fs.getOwner(),
|
||||||
|
fs.getGroup(),
|
||||||
|
new Path(target),
|
||||||
|
f);
|
||||||
|
} catch (FileNotFoundException e) {
|
||||||
|
/* The exists method in the File class returns false for dangling
|
||||||
|
* links so we can get a FileNotFoundException for links that exist.
|
||||||
|
* It's also possible that we raced with a delete of the link. Use
|
||||||
|
* the readBasicFileAttributes method in java.nio.file.attributes
|
||||||
|
* when available.
|
||||||
|
*/
|
||||||
|
if (!target.isEmpty()) {
|
||||||
|
return new FileStatus(0, false, 0, 0, 0, 0, FsPermission.getDefault(),
|
||||||
|
"", "", new Path(target), f);
|
||||||
|
}
|
||||||
|
// f refers to a file or directory that does not exist
|
||||||
|
throw e;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public boolean isValidName(String src) {
|
public boolean isValidName(String src) {
|
||||||
// Different local file systems have different validation rules. Skip
|
// Different local file systems have different validation rules. Skip
|
||||||
|
@ -74,4 +165,14 @@ public class RawLocalFs extends DelegateToFileSystem {
|
||||||
// RawLocalFileSystem.
|
// RawLocalFileSystem.
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Path getLinkTarget(Path f) throws IOException {
|
||||||
|
/* We should never get here. Valid local links are resolved transparently
|
||||||
|
* by the underlying local file system and accessing a dangling link will
|
||||||
|
* result in an IOException, not an UnresolvedLinkException, so FileContext
|
||||||
|
* should never call this function.
|
||||||
|
*/
|
||||||
|
throw new AssertionError();
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -58,33 +58,6 @@ abstract public class Shell {
|
||||||
/** Windows CreateProcess synchronization object */
|
/** Windows CreateProcess synchronization object */
|
||||||
public static final Object WindowsProcessLaunchLock = new Object();
|
public static final Object WindowsProcessLaunchLock = new Object();
|
||||||
|
|
||||||
// OSType detection
|
|
||||||
|
|
||||||
public enum OSType {
|
|
||||||
OS_TYPE_LINUX,
|
|
||||||
OS_TYPE_WIN,
|
|
||||||
OS_TYPE_SOLARIS,
|
|
||||||
OS_TYPE_MAC,
|
|
||||||
OS_TYPE_FREEBSD
|
|
||||||
}
|
|
||||||
|
|
||||||
public static final OSType osType = getOSType();
|
|
||||||
|
|
||||||
static private OSType getOSType() {
|
|
||||||
String osName = System.getProperty("os.name");
|
|
||||||
if (Shell.WINDOWS) {
|
|
||||||
return OSType.OS_TYPE_WIN;
|
|
||||||
} else if (osName.contains("SunOS") || osName.contains("Solaris")) {
|
|
||||||
return OSType.OS_TYPE_SOLARIS;
|
|
||||||
} else if (osName.contains("Mac")) {
|
|
||||||
return OSType.OS_TYPE_MAC;
|
|
||||||
} else if (osName.contains("FreeBSD")) {
|
|
||||||
return OSType.OS_TYPE_FREEBSD;
|
|
||||||
} else {
|
|
||||||
return OSType.OS_TYPE_LINUX;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/** a Unix command to get the current user's groups list */
|
/** a Unix command to get the current user's groups list */
|
||||||
public static String[] getGroupsCommand() {
|
public static String[] getGroupsCommand() {
|
||||||
return (WINDOWS)? new String[]{"cmd", "/c", "groups"}
|
return (WINDOWS)? new String[]{"cmd", "/c", "groups"}
|
||||||
|
|
|
@ -363,12 +363,12 @@ public class TestLocalFileSystem {
|
||||||
|
|
||||||
FileStatus status = fileSys.getFileStatus(path);
|
FileStatus status = fileSys.getFileStatus(path);
|
||||||
assertTrue("check we're actually changing something", newModTime != status.getModificationTime());
|
assertTrue("check we're actually changing something", newModTime != status.getModificationTime());
|
||||||
long accessTime = status.getAccessTime();
|
assertEquals(0, status.getAccessTime());
|
||||||
|
|
||||||
fileSys.setTimes(path, newModTime, -1);
|
fileSys.setTimes(path, newModTime, -1);
|
||||||
status = fileSys.getFileStatus(path);
|
status = fileSys.getFileStatus(path);
|
||||||
assertEquals(newModTime, status.getModificationTime());
|
assertEquals(newModTime, status.getModificationTime());
|
||||||
assertEquals(accessTime, status.getAccessTime());
|
assertEquals(0, status.getAccessTime());
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
@ -1,112 +0,0 @@
|
||||||
/**
|
|
||||||
* 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.fs;
|
|
||||||
|
|
||||||
import static org.junit.Assert.assertTrue;
|
|
||||||
import static org.junit.Assert.fail;
|
|
||||||
|
|
||||||
import java.io.BufferedReader;
|
|
||||||
import java.io.FileNotFoundException;
|
|
||||||
import java.io.StringReader;
|
|
||||||
|
|
||||||
import org.apache.hadoop.conf.Configuration;
|
|
||||||
import org.junit.BeforeClass;
|
|
||||||
import org.junit.Test;
|
|
||||||
|
|
||||||
public class TestStat {
|
|
||||||
|
|
||||||
private static Stat stat;
|
|
||||||
|
|
||||||
@BeforeClass
|
|
||||||
public static void setup() throws Exception {
|
|
||||||
stat = new Stat(new Path("/dummypath"),
|
|
||||||
4096l, false, FileSystem.get(new Configuration()));
|
|
||||||
}
|
|
||||||
|
|
||||||
private class StatOutput {
|
|
||||||
final String doesNotExist;
|
|
||||||
final String directory;
|
|
||||||
final String file;
|
|
||||||
final String symlink;
|
|
||||||
|
|
||||||
StatOutput(String doesNotExist, String directory, String file,
|
|
||||||
String symlink) {
|
|
||||||
this.doesNotExist = doesNotExist;
|
|
||||||
this.directory = directory;
|
|
||||||
this.file = file;
|
|
||||||
this.symlink = symlink;
|
|
||||||
}
|
|
||||||
|
|
||||||
void test() throws Exception {
|
|
||||||
BufferedReader br;
|
|
||||||
FileStatus status;
|
|
||||||
|
|
||||||
try {
|
|
||||||
br = new BufferedReader(new StringReader(doesNotExist));
|
|
||||||
stat.parseExecResult(br);
|
|
||||||
} catch (FileNotFoundException e) {
|
|
||||||
// expected
|
|
||||||
}
|
|
||||||
|
|
||||||
br = new BufferedReader(new StringReader(directory));
|
|
||||||
stat.parseExecResult(br);
|
|
||||||
status = stat.getFileStatusForTesting();
|
|
||||||
assertTrue(status.isDirectory());
|
|
||||||
|
|
||||||
br = new BufferedReader(new StringReader(file));
|
|
||||||
stat.parseExecResult(br);
|
|
||||||
status = stat.getFileStatusForTesting();
|
|
||||||
assertTrue(status.isFile());
|
|
||||||
|
|
||||||
br = new BufferedReader(new StringReader(symlink));
|
|
||||||
stat.parseExecResult(br);
|
|
||||||
status = stat.getFileStatusForTesting();
|
|
||||||
assertTrue(status.isSymlink());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Test(timeout=10000)
|
|
||||||
public void testStatLinux() throws Exception {
|
|
||||||
StatOutput linux = new StatOutput(
|
|
||||||
"stat: cannot stat `watermelon': No such file or directory",
|
|
||||||
"4096,directory,1373584236,1373586485,755,andrew,root,`.'",
|
|
||||||
"0,regular empty file,1373584228,1373584228,644,andrew,andrew,`target'",
|
|
||||||
"6,symbolic link,1373584236,1373584236,777,andrew,andrew,`link' -> `target'");
|
|
||||||
linux.test();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Test(timeout=10000)
|
|
||||||
public void testStatFreeBSD() throws Exception {
|
|
||||||
StatOutput freebsd = new StatOutput(
|
|
||||||
"stat: symtest/link: stat: No such file or directory",
|
|
||||||
"512,Directory,1373583695,1373583669,40755,awang,awang,`link' -> `'",
|
|
||||||
"0,Regular File,1373508937,1373508937,100644,awang,awang,`link' -> `'",
|
|
||||||
"6,Symbolic Link,1373508941,1373508941,120755,awang,awang,`link' -> `target'");
|
|
||||||
freebsd.test();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Test(timeout=10000)
|
|
||||||
public void testStatFileNotFound() throws Exception {
|
|
||||||
try {
|
|
||||||
stat.getFileStatus();
|
|
||||||
fail("Expected FileNotFoundException");
|
|
||||||
} catch (FileNotFoundException e) {
|
|
||||||
// expected
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
|
@ -30,7 +30,6 @@ import java.net.URI;
|
||||||
import java.net.URISyntaxException;
|
import java.net.URISyntaxException;
|
||||||
|
|
||||||
import org.apache.hadoop.fs.permission.FsPermission;
|
import org.apache.hadoop.fs.permission.FsPermission;
|
||||||
import org.apache.hadoop.security.UserGroupInformation;
|
|
||||||
import org.junit.Test;
|
import org.junit.Test;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -124,7 +123,6 @@ abstract public class TestSymlinkLocalFS extends SymlinkBaseTest {
|
||||||
Path fileAbs = new Path(testBaseDir1()+"/file");
|
Path fileAbs = new Path(testBaseDir1()+"/file");
|
||||||
Path fileQual = new Path(testURI().toString(), fileAbs);
|
Path fileQual = new Path(testURI().toString(), fileAbs);
|
||||||
Path link = new Path(testBaseDir1()+"/linkToFile");
|
Path link = new Path(testBaseDir1()+"/linkToFile");
|
||||||
Path linkQual = new Path(testURI().toString(), link.toString());
|
|
||||||
wrapper.createSymlink(fileAbs, link, false);
|
wrapper.createSymlink(fileAbs, link, false);
|
||||||
// Deleting the link using FileContext currently fails because
|
// Deleting the link using FileContext currently fails because
|
||||||
// resolve looks up LocalFs rather than RawLocalFs for the path
|
// resolve looks up LocalFs rather than RawLocalFs for the path
|
||||||
|
@ -142,15 +140,18 @@ abstract public class TestSymlinkLocalFS extends SymlinkBaseTest {
|
||||||
// Expected. File's exists method returns false for dangling links
|
// Expected. File's exists method returns false for dangling links
|
||||||
}
|
}
|
||||||
// We can stat a dangling link
|
// We can stat a dangling link
|
||||||
UserGroupInformation user = UserGroupInformation.getCurrentUser();
|
|
||||||
FileStatus fsd = wrapper.getFileLinkStatus(link);
|
FileStatus fsd = wrapper.getFileLinkStatus(link);
|
||||||
assertEquals(fileQual, fsd.getSymlink());
|
assertEquals(fileQual, fsd.getSymlink());
|
||||||
assertTrue(fsd.isSymlink());
|
assertTrue(fsd.isSymlink());
|
||||||
assertFalse(fsd.isDirectory());
|
assertFalse(fsd.isDirectory());
|
||||||
assertEquals(user.getUserName(), fsd.getOwner());
|
assertEquals("", fsd.getOwner());
|
||||||
// Compare against user's primary group
|
assertEquals("", fsd.getGroup());
|
||||||
assertEquals(user.getGroupNames()[0], fsd.getGroup());
|
assertEquals(link, fsd.getPath());
|
||||||
assertEquals(linkQual, fsd.getPath());
|
assertEquals(0, fsd.getLen());
|
||||||
|
assertEquals(0, fsd.getBlockSize());
|
||||||
|
assertEquals(0, fsd.getReplication());
|
||||||
|
assertEquals(0, fsd.getAccessTime());
|
||||||
|
assertEquals(FsPermission.getDefault(), fsd.getPermission());
|
||||||
// Accessing the link
|
// Accessing the link
|
||||||
try {
|
try {
|
||||||
readFile(link);
|
readFile(link);
|
||||||
|
|
Loading…
Reference in New Issue