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

Introduction

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

Prototype

public String getOwner() 

Source Link

Document

Get the owner of 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  w  w .  ja v  a 2  s .  c  om*/
public void testChown() 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());

        FileStatus foo = fileSys.getFileStatus(path);
        System.err.println("DEBUG:owner=" + foo.getOwner());

        cmd = "chown nobody " + mpoint + path.toString();
        p = r.exec(cmd);
        assertTrue(p.waitFor() == 0);

        //      cmd = "chgrp nobody " + mpoint + path.toString();
        //      p = r.exec(cmd);
        //      assertTrue(p.waitFor() == 0);

        foo = fileSys.getFileStatus(path);

        System.err.println("DEBUG:owner=" + foo.getOwner());

        assertTrue(foo.getOwner().equals("nobody"));
        assertTrue(foo.getGroup().equals("nobody"));

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

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From source file:AggregatedLogsPurger.java

License:Apache License

public boolean purge() throws IOException {
    LocalDateTime now = LocalDateTime.now();
    LocalDateTime deleteLogsOlderThanTime = now.minusDays(deleteOlderThanDays);

    //Identify which log dirs should be deleted
    FileSystem fs = rootLogDir.getFileSystem(conf);
    try {/*from w  ww. ja  va  2 s .c  o  m*/

        long totalBytes = 0;
        for (FileStatus userDir : fs.listStatus(rootLogDir)) {
            if (userDir.isDirectory()) {
                Path userDirPath = new Path(userDir.getPath(), suffix);
                System.out.println("Checking for userDir : " + userDirPath);
                for (FileStatus appDir : fs.listStatus(userDirPath)) {
                    LocalDateTime appDirDate = getAppDirDateTime(appDir.getModificationTime());
                    if (appDirDate.isBefore(deleteLogsOlderThanTime)) {
                        long size = getLengthRecursively(fs, appDir.getPath());
                        System.out.println(appDir.getPath() + ", " + appDir.getOwner() + ", "
                                + appDirDate.toString() + ", size=" + size);
                        totalBytes += size;
                        if (shouldDelete) {
                            System.out.println("Deleting " + appDir.getPath());
                            fs.delete(appDir.getPath(), true);
                        }
                    }
                }
            }
        }
        System.out.println("Savings : " + totalBytes);
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    } finally {
        fs.close();
    }
    return true;
}

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)} with local UFS. It will test only
 * changing the owner of file using TFS and propagate the change to UFS. Since the arbitrary
 * owner does not exist in the local UFS, the operation would fail.
 *///from   www  . j  av  a  2  s  .  c  o  m
@Test
public void changeNonexistentOwnerForLocal() throws Exception {
    // Skip non-local UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isLocal(sUfs));

    Path fileA = new Path("/chownfileA-local");
    final String nonexistentOwner = "nonexistent-user1";
    final String nonexistentGroup = "nonexistent-group1";

    create(sTFS, fileA);

    FileStatus fs = sTFS.getFileStatus(fileA);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    Assert.assertEquals(defaultOwner, sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileA)).getOwner());
    // Group can different because local FS user to group mapping can be different from that
    // in Alluxio.

    Assert.assertNotEquals(defaultOwner, nonexistentOwner);
    Assert.assertNotEquals(defaultGroup, nonexistentGroup);

    // Expect a IOException for not able to setOwner for UFS with invalid owner name.
    mThrown.expect(IOException.class);
    mThrown.expectMessage("Could not setOwner for UFS file");
    sTFS.setOwner(fileA, nonexistentOwner, null);
}

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)} with local UFS. It will test only
 * changing the group of file using TFS and propagate the change to UFS. Since the arbitrary
 * group does not exist in the local UFS, the operation would fail.
 *//*  w ww  .  j  a va2  s  .  c o  m*/
@Test
public void changeNonexistentGroupForLocal() throws Exception {
    // Skip non-local UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isLocal(sUfs));

    Path fileB = new Path("/chownfileB-local");
    final String nonexistentOwner = "nonexistent-user1";
    final String nonexistentGroup = "nonexistent-group1";

    create(sTFS, fileB);

    FileStatus fs = sTFS.getFileStatus(fileB);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    Assert.assertEquals(defaultOwner, sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileB)).getOwner());
    // Group can different because local FS user to group mapping can be different from that
    // in Alluxio.

    Assert.assertNotEquals(defaultOwner, nonexistentOwner);
    Assert.assertNotEquals(defaultGroup, nonexistentGroup);

    // Expect a IOException for not able to setOwner for UFS with invalid group name.
    mThrown.expect(IOException.class);
    mThrown.expectMessage("Could not setOwner for UFS file");
    sTFS.setOwner(fileB, null, nonexistentGroup);
}

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)} with local UFS. It will test
 * changing both owner and group of file using TFS and propagate the change to UFS. Since the
 * arbitrary owner and group do not exist in the local UFS, the operation would fail.
 *//* w  w  w .j av a 2s.  c  om*/
@Test
public void changeNonexistentOwnerAndGroupForLocal() throws Exception {
    // Skip non-local UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isLocal(sUfs));

    Path fileC = new Path("/chownfileC-local");
    final String nonexistentOwner = "nonexistent-user1";
    final String nonexistentGroup = "nonexistent-group1";

    create(sTFS, fileC);

    FileStatus fs = sTFS.getFileStatus(fileC);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    Assert.assertEquals(defaultOwner, sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileC)).getOwner());
    // Group can different because local FS user to group mapping can be different from that
    // in Alluxio.

    Assert.assertNotEquals(defaultOwner, nonexistentOwner);
    Assert.assertNotEquals(defaultGroup, nonexistentGroup);

    mThrown.expect(IOException.class);
    mThrown.expectMessage("Could not update owner");
    sTFS.setOwner(fileC, nonexistentOwner, nonexistentGroup);
}

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)} with HDFS UFS. It will test only
 * changing the owner of file using TFS and propagate the change to UFS.
 *//*w  ww  .  java2s  .co m*/
@Test
public void changeNonexistentOwnerForHdfs() throws Exception {
    // Skip non-HDFS UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isHdfs(sUfs));

    Path fileA = new Path("/chownfileA-hdfs");
    final String testOwner = "test-user1";
    final String testGroup = "test-group1";

    create(sTFS, fileA);

    FileStatus fs = sTFS.getFileStatus(fileA);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    Assert.assertEquals(defaultOwner, sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileA)).getOwner());
    // Group can different because HDFS user to group mapping can be different from that in Alluxio.

    Assert.assertNotEquals(defaultOwner, testOwner);
    Assert.assertNotEquals(defaultGroup, testGroup);

    // Expect a IOException for not able to setOwner for UFS with invalid owner name.
    sTFS.setOwner(fileA, testOwner, null);

    fs = sTFS.getFileStatus(fileA);
    Assert.assertEquals(testOwner, fs.getOwner());
    Assert.assertEquals(defaultGroup, fs.getGroup());
    UfsStatus ufsStatus = sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileA));
    Assert.assertEquals(testOwner, ufsStatus.getOwner());
    Assert.assertEquals(defaultGroup, ufsStatus.getGroup());
}

---

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)} with HDFS UFS. It will test only
 * changing the group of file using TFS and propagate the change to UFS.
 *///from   www  . jav a  2 s .c o m
@Test
public void changeNonexistentGroupForHdfs() throws Exception {
    // Skip non-HDFS UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isHdfs(sUfs));

    Path fileB = new Path("/chownfileB-hdfs");
    final String testOwner = "test-user1";
    final String testGroup = "test-group1";

    create(sTFS, fileB);

    FileStatus fs = sTFS.getFileStatus(fileB);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    Assert.assertEquals(defaultOwner, sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileB)).getOwner());
    // Group can different because HDFS user to group mapping can be different from that in Alluxio.

    Assert.assertNotEquals(defaultOwner, testOwner);
    Assert.assertNotEquals(defaultGroup, testGroup);

    sTFS.setOwner(fileB, null, testGroup);
    fs = sTFS.getFileStatus(fileB);
    Assert.assertEquals(defaultOwner, fs.getOwner());
    Assert.assertEquals(testGroup, fs.getGroup());
    UfsStatus ufsStatus = sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileB));
    Assert.assertEquals(defaultOwner, ufsStatus.getOwner());
    Assert.assertEquals(testGroup, ufsStatus.getGroup());
}

---

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)} with HDFS UFS. It will test
 * changing both owner and group of file using TFS and propagate the change to UFS.
 *///from   ww w .  ja va2  s.c o  m
@Test
public void changeNonexistentOwnerAndGroupForHdfs() throws Exception {
    // Skip non-HDFS UFSs.
    Assume.assumeTrue(UnderFileSystemUtils.isHdfs(sUfs));

    Path fileC = new Path("/chownfileC-hdfs");
    final String testOwner = "test-user1";
    final String testGroup = "test-group1";

    create(sTFS, fileC);

    FileStatus fs = sTFS.getFileStatus(fileC);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    Assert.assertEquals(defaultOwner, sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileC)).getOwner());
    // Group can different because HDFS user to group mapping can be different from that in Alluxio.

    Assert.assertNotEquals(defaultOwner, testOwner);
    Assert.assertNotEquals(defaultGroup, testGroup);

    sTFS.setOwner(fileC, testOwner, testGroup);
    fs = sTFS.getFileStatus(fileC);
    Assert.assertEquals(testOwner, fs.getOwner());
    Assert.assertEquals(testGroup, fs.getGroup());
    UfsStatus ufsStatus = sUfs.getFileStatus(PathUtils.concatPath(sUfsRoot, fileC));
    Assert.assertEquals(testOwner, ufsStatus.getOwner());
    Assert.assertEquals(testGroup, ufsStatus.getGroup());
}

---

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

License:Apache License

/**
 * Test for {@link FileSystem#setOwner(Path, String, String)}. It will test both owner and group
 * are null./*from   w w w . jav a2 s.  c o m*/
 */
@Test
public void checkNullOwnerAndGroup() throws Exception {
    Path fileD = new Path("/chownfileD");

    create(sTFS, fileD);

    FileStatus fs = sTFS.getFileStatus(fileD);
    String defaultOwner = fs.getOwner();
    String defaultGroup = fs.getGroup();

    sTFS.setOwner(fileD, null, null);

    fs = sTFS.getFileStatus(fileD);
    Assert.assertEquals(defaultOwner, fs.getOwner());
    Assert.assertEquals(defaultGroup, fs.getGroup());
}

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

License:Apache License

/**
 * Tests the directory permission propagation to UFS.
 *///from   ww  w  .  ja va 2 s  .  c om
@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());
}

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