Example usage for org.apache.hadoop.fs FileStatus getPermission

List of usage examples for org.apache.hadoop.fs FileStatus getPermission

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Introduction

In this page you can find the example usage for org.apache.hadoop.fs FileStatus getPermission.

Prototype

public FsPermission getPermission()

Source Link

Document

Get FsPermission associated with the file.

Usage

From source file:TestFuseDFS.java

License:Apache License

/**
 * use shell to create a dir and then use filesys to see it exists.
 *///from w ww. j av a  2 s  . c o m
public void testChmod() throws IOException, InterruptedException, Exception {
    try {
        // First create a new directory with mkdirs
        Path path = new Path("/foo");
        Runtime r = Runtime.getRuntime();
        String cmd = "mkdir -p " + mpoint + path.toString();
        Process p = r.exec(cmd);
        assertTrue(p.waitFor() == 0);

        // check it is there
        assertTrue(fileSys.getFileStatus(path).isDir());

        cmd = "chmod 777 " + mpoint + path.toString();
        p = r.exec(cmd);
        assertTrue(p.waitFor() == 0);

        FileStatus foo = fileSys.getFileStatus(path);
        FsPermission perm = foo.getPermission();
        assertTrue(perm.toShort() == 0777);

    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    }
}

From source file:alluxio.client.hadoop.FileSystemAclIntegrationTest.java

License:Apache License

@Test
public void createFileWithPermission() throws Exception {
    List<Integer> permissionValues = Lists.newArrayList(0111, 0222, 0333, 0444, 0555, 0666, 0777, 0755, 0733,
            0644, 0533, 0511);/* ww w. ja  va2s.c  om*/
    for (int value : permissionValues) {
        Path file = new Path("/createfile" + value);
        FsPermission permission = FsPermission.createImmutable((short) value);
        FSDataOutputStream o = sTFS.create(file, permission, false /* ignored */, 10 /* ignored */,
                (short) 1 /* ignored */, 512 /* ignored */, null /* ignored */);
        o.writeBytes("Test Bytes");
        o.close();
        FileStatus fs = sTFS.getFileStatus(file);
        Assert.assertEquals(permission, fs.getPermission());
    }
}

From source file:alluxio.client.hadoop.FileSystemAclIntegrationTest.java

License:Apache License

@Test
public void mkdirsWithPermission() throws Exception {
    List<Integer> permissionValues = Lists.newArrayList(0111, 0222, 0333, 0444, 0555, 0666, 0777, 0755, 0733,
            0644, 0533, 0511);/*www . ja v a2  s. c om*/
    for (int value : permissionValues) {
        Path dir = new Path("/createDir" + value);
        FsPermission permission = FsPermission.createImmutable((short) value);
        sTFS.mkdirs(dir, permission);
        FileStatus fs = sTFS.getFileStatus(dir);
        Assert.assertEquals(permission, fs.getPermission());
    }
}

From source file:alluxio.client.hadoop.FileSystemAclIntegrationTest.java

License:Apache License

/**
 * Test for {@link FileSystem#setPermission(Path, org.apache.hadoop.fs.permission.FsPermission)}.
 * It will test changing the permission of file using TFS.
 *///from  www  .  ja  v a2 s  .  com
@Test
public void chmod() throws Exception {
    Path fileA = new Path("/chmodfileA");

    create(sTFS, fileA);
    FileStatus fs = sTFS.getFileStatus(fileA);
    Assert.assertTrue(sUfs.isFile(PathUtils.concatPath(sUfsRoot, fileA)));

    if (UnderFileSystemUtils.isHdfs(sUfs) && HadoopClientTestUtils.isHadoop1x()) {
        // If the UFS is hadoop 1.0, the org.apache.hadoop.fs.FileSystem.create uses default
        // permission option 0777.
        Assert.assertEquals((short) 0777, fs.getPermission().toShort());
    } else {
        // Default permission should be 0644.
        Assert.assertEquals((short) 0644, fs.getPermission().toShort());
    }

    sTFS.setPermission(fileA, FsPermission.createImmutable((short) 0755));
    Assert.assertEquals((short) 0755, sTFS.getFileStatus(fileA).getPermission().toShort());
}

From source file:alluxio.client.hadoop.FileSystemAclIntegrationTest.java

License:Apache License

/**
 * Tests the directory permission propagation to UFS.
 */// w  w  w  . jav a 2 s  .com
@Test
public void directoryPermissionForUfs() throws IOException {
    // Skip non-local and non-HDFS UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isLocal(sUfs) || UnderFileSystemUtils.isHdfs(sUfs));

    Path dir = new Path("/root/directoryPermissionForUfsDir");
    sTFS.mkdirs(dir);

    FileStatus fs = sTFS.getFileStatus(dir);
    String defaultOwner = fs.getOwner();
    Short dirMode = fs.getPermission().toShort();
    FileStatus parentFs = sTFS.getFileStatus(dir.getParent());
    Short parentMode = parentFs.getPermission().toShort();

    UfsStatus ufsStatus = sUfs.getDirectoryStatus(PathUtils.concatPath(sUfsRoot, dir));
    Assert.assertEquals(defaultOwner, ufsStatus.getOwner());
    Assert.assertEquals((int) dirMode, (int) ufsStatus.getMode());
    Assert.assertEquals((int) parentMode,
            (int) sUfs.getDirectoryStatus(PathUtils.concatPath(sUfsRoot, dir.getParent())).getMode());

    short newMode = (short) 0755;
    FsPermission newPermission = new FsPermission(newMode);
    sTFS.setPermission(dir, newPermission);

    Assert.assertEquals((int) newMode,
            (int) sUfs.getDirectoryStatus(PathUtils.concatPath(sUfsRoot, dir)).getMode());
}

From source file:alluxio.hadoop.FileSystemAclIntegrationTest.java

License:Apache License

/**
 * Test for {@link FileSystem#setPermission(Path, org.apache.hadoop.fs.permission.FsPermission)}.
 * It will test changing the permission of file using TFS.
 *//* www  .ja va 2s.  c  o  m*/
@Test
public void chmod() throws Exception {
    Path fileA = new Path("/chmodfileA");

    create(sTFS, fileA);
    FileStatus fs = sTFS.getFileStatus(fileA);
    Assert.assertTrue(sUfs.exists(PathUtils.concatPath(sUfsRoot, fileA)));
    // Default permission should be 0644
    Assert.assertEquals((short) 0644, fs.getPermission().toShort());

    if (CommonUtils.isUfsObjectStorage(sUfsRoot)) {
        // For object storage ufs, setMode is not supported.
        mThrown.expect(IOException.class);
        mThrown.expectMessage("setOwner/setMode is not supported to object storage UFS via Alluxio.");
        sTFS.setPermission(fileA, FsPermission.createImmutable((short) 0755));
        return;
    }
    sTFS.setPermission(fileA, FsPermission.createImmutable((short) 0755));
    Assert.assertEquals((short) 0755, sTFS.getFileStatus(fileA).getPermission().toShort());
}

From source file:alluxio.hadoop.FileSystemAclIntegrationTest.java

License:Apache License

/**
 * Tests the directory permission propagation to UFS.
 *///from  ww w .ja  v a2s  .  co m
@Test
public void directoryPermissionForUfs() throws IOException {
    if (!(sUfs instanceof LocalUnderFileSystem) && !(sUfs instanceof HdfsUnderFileSystem)) {
        // Skip non-local and non-HDFS UFSs.
        return;
    }
    Path dir = new Path("/root/dir/");
    sTFS.mkdirs(dir);

    FileStatus fs = sTFS.getFileStatus(dir);
    String defaultOwner = fs.getOwner();
    Short dirMode = fs.getPermission().toShort();
    FileStatus parentFs = sTFS.getFileStatus(dir.getParent());
    Short parentMode = parentFs.getPermission().toShort();

    Assert.assertEquals(defaultOwner, sUfs.getOwner(PathUtils.concatPath(sUfsRoot, dir)));
    Assert.assertEquals((int) dirMode, (int) sUfs.getMode(PathUtils.concatPath(sUfsRoot, dir)));
    Assert.assertEquals((int) parentMode, (int) sUfs.getMode(PathUtils.concatPath(sUfsRoot, dir.getParent())));

    short newMode = (short) 0755;
    FsPermission newPermission = new FsPermission(newMode);
    sTFS.setPermission(dir, newPermission);

    Assert.assertEquals((int) newMode, (int) sUfs.getMode(PathUtils.concatPath(sUfsRoot, dir)));
}

From source file:alluxio.hadoop.HadoopUtils.java

License:Apache License

/**
 * Returns a string representation of a Hadoop {@link FileStatus}.
 *
 * @param fs Hadoop {@link FileStatus}/*from   w  ww . j  av  a2  s.c  o  m*/
 * @return its string representation
 */
public static String toStringHadoopFileStatus(FileStatus fs) {
    StringBuilder sb = new StringBuilder();
    sb.append("HadoopFileStatus: Path: ").append(fs.getPath());
    sb.append(" , Length: ").append(fs.getLen());
    // Use isDir instead of isDirectory for compatibility with hadoop 1.
    sb.append(" , IsDir: ").append(fs.isDir());
    sb.append(" , BlockReplication: ").append(fs.getReplication());
    sb.append(" , BlockSize: ").append(fs.getBlockSize());
    sb.append(" , ModificationTime: ").append(fs.getModificationTime());
    sb.append(" , AccessTime: ").append(fs.getAccessTime());
    sb.append(" , Permission: ").append(fs.getPermission());
    sb.append(" , Owner: ").append(fs.getOwner());
    sb.append(" , Group: ").append(fs.getGroup());
    return sb.toString();
}

From source file:alluxio.underfs.hdfs.HdfsUnderFileSystem.java

License:Apache License

@Override
public void setMode(String path, short mode) throws IOException {
    try {/*from w  w  w  .j  a va2s. c om*/
        FileStatus fileStatus = mFileSystem.getFileStatus(new Path(path));
        LOG.info("Changing file '{}' permissions from: {} to {}", fileStatus.getPath(),
                fileStatus.getPermission(), mode);
        mFileSystem.setPermission(fileStatus.getPath(), new FsPermission(mode));
    } catch (IOException e) {
        LOG.error("Fail to set permission for {} with perm {}", path, mode, e);
        throw e;
    }
}

From source file:azkaban.crypto.Decryptions.java

License:Open Source License

public String decrypt(final String cipheredText, final String passphrasePath, final FileSystem fs)
        throws IOException {
    Preconditions.checkNotNull(cipheredText);
    Preconditions.checkNotNull(passphrasePath);

    final Path path = new Path(passphrasePath);
    Preconditions.checkArgument(fs.exists(path), "File does not exist at " + passphrasePath);
    Preconditions.checkArgument(fs.isFile(path), "Passphrase path is not a file. " + passphrasePath);

    final FileStatus fileStatus = fs.getFileStatus(path);
    Preconditions.checkArgument(USER_READ_PERMISSION_ONLY.equals(fileStatus.getPermission()),
            "Passphrase file should only have read only permission on only user. " + passphrasePath);

    final Crypto crypto = new Crypto();
    try (BufferedReader br = new BufferedReader(
            new InputStreamReader(fs.open(path), Charset.defaultCharset()))) {
        final String passphrase = br.readLine();
        final String decrypted = crypto.decrypt(cipheredText, passphrase);
        Preconditions.checkNotNull(decrypted, "Was not able to decrypt");
        return decrypted;
    }//from  w w w . j  av  a2s  .c  o  m
}