Java Code Examples for org.apache.hadoop.fs.FileContext#getFileStatus()

The following examples show how to use org.apache.hadoop.fs.FileContext#getFileStatus() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: TestFSDownload.java From hadoop with Apache License 2.0

6 votes

static LocalResource createJar(FileContext files, Path p,
    LocalResourceVisibility vis) throws IOException {
  LOG.info("Create jar file " + p);
  File jarFile = new File((files.makeQualified(p)).toUri());
  FileOutputStream stream = new FileOutputStream(jarFile);
  LOG.info("Create jar out stream ");
  JarOutputStream out = new JarOutputStream(stream, new Manifest());
  LOG.info("Done writing jar stream ");
  out.close();
  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(p));
  FileStatus status = files.getFileStatus(p);
  ret.setSize(status.getLen());
  ret.setTimestamp(status.getModificationTime());
  ret.setType(LocalResourceType.PATTERN);
  ret.setVisibility(vis);
  ret.setPattern("classes/.*");
  return ret;
}

Example 2

Source File: HistoryFileManager.java From hadoop with Apache License 2.0

6 votes

private void mkdir(FileContext fc, Path path, FsPermission fsp)
    throws IOException {
  if (!fc.util().exists(path)) {
    try {
      fc.mkdir(path, fsp, true);

      FileStatus fsStatus = fc.getFileStatus(path);
      LOG.info("Perms after creating " + fsStatus.getPermission().toShort()
          + ", Expected: " + fsp.toShort());
      if (fsStatus.getPermission().toShort() != fsp.toShort()) {
        LOG.info("Explicitly setting permissions to : " + fsp.toShort()
            + ", " + fsp);
        fc.setPermission(path, fsp);
      }
    } catch (FileAlreadyExistsException e) {
      LOG.info("Directory: [" + path + "] already exists.");
    }
  }
}

Example 3

Source File: TestFSDownload.java From big-c with Apache License 2.0

6 votes

static LocalResource createJar(FileContext files, Path p,
    LocalResourceVisibility vis) throws IOException {
  LOG.info("Create jar file " + p);
  File jarFile = new File((files.makeQualified(p)).toUri());
  FileOutputStream stream = new FileOutputStream(jarFile);
  LOG.info("Create jar out stream ");
  JarOutputStream out = new JarOutputStream(stream, new Manifest());
  LOG.info("Done writing jar stream ");
  out.close();
  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(p));
  FileStatus status = files.getFileStatus(p);
  ret.setSize(status.getLen());
  ret.setTimestamp(status.getModificationTime());
  ret.setType(LocalResourceType.PATTERN);
  ret.setVisibility(vis);
  ret.setPattern("classes/.*");
  return ret;
}

Example 4

Source File: HistoryFileManager.java From big-c with Apache License 2.0

6 votes

private void mkdir(FileContext fc, Path path, FsPermission fsp)
    throws IOException {
  if (!fc.util().exists(path)) {
    try {
      fc.mkdir(path, fsp, true);

      FileStatus fsStatus = fc.getFileStatus(path);
      LOG.info("Perms after creating " + fsStatus.getPermission().toShort()
          + ", Expected: " + fsp.toShort());
      if (fsStatus.getPermission().toShort() != fsp.toShort()) {
        LOG.info("Explicitly setting permissions to : " + fsp.toShort()
            + ", " + fsp);
        fc.setPermission(path, fsp);
      }
    } catch (FileAlreadyExistsException e) {
      LOG.info("Directory: [" + path + "] already exists.");
    }
  }
}

Example 5

Source File: TestFSDownload.java From hadoop with Apache License 2.0

5 votes

private void verifyPermsRecursively(FileSystem fs,
    FileContext files, Path p,
    LocalResourceVisibility vis) throws IOException {
  FileStatus status = files.getFileStatus(p);
  if (status.isDirectory()) {
    if (vis == LocalResourceVisibility.PUBLIC) {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PUBLIC_DIR_PERMS.toShort());
    }
    else {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PRIVATE_DIR_PERMS.toShort());
    }
    if (!status.isSymlink()) {
      FileStatus[] statuses = fs.listStatus(p);
      for (FileStatus stat : statuses) {
        verifyPermsRecursively(fs, files, stat.getPath(), vis);
      }
    }
  }
  else {
    if (vis == LocalResourceVisibility.PUBLIC) {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PUBLIC_FILE_PERMS.toShort());
    }
    else {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PRIVATE_FILE_PERMS.toShort());
    }
  }      
}

Example 6

Source File: NonAggregatingLogHandler.java From hadoop with Apache License 2.0

5 votes

@Override
@SuppressWarnings("unchecked")
public void run() {
  List<Path> localAppLogDirs = new ArrayList<Path>();
  FileContext lfs = getLocalFileContext(getConfig());
  for (String rootLogDir : dirsHandler.getLogDirsForCleanup()) {
    Path logDir = new Path(rootLogDir, applicationId.toString());
    try {
      lfs.getFileStatus(logDir);
      localAppLogDirs.add(logDir);
    } catch (UnsupportedFileSystemException ue) {
      LOG.warn("Unsupported file system used for log dir " + logDir, ue);
      continue;
    } catch (IOException ie) {
      continue;
    }
  }

  // Inform the application before the actual delete itself, so that links
  // to logs will no longer be there on NM web-UI.
  NonAggregatingLogHandler.this.dispatcher.getEventHandler().handle(
    new ApplicationEvent(this.applicationId,
      ApplicationEventType.APPLICATION_LOG_HANDLING_FINISHED));
  if (localAppLogDirs.size() > 0) {
    NonAggregatingLogHandler.this.delService.delete(user, null,
      (Path[]) localAppLogDirs.toArray(new Path[localAppLogDirs.size()]));
  }
  try {
    NonAggregatingLogHandler.this.stateStore.removeLogDeleter(
        this.applicationId);
  } catch (IOException e) {
    LOG.error("Error removing log deletion state", e);
  }
}

Example 7

Source File: DirectoryCollection.java From hadoop with Apache License 2.0

5 votes

private void createDir(FileContext localFs, Path dir, FsPermission perm)
    throws IOException {
  if (dir == null) {
    return;
  }
  try {
    localFs.getFileStatus(dir);
  } catch (FileNotFoundException e) {
    createDir(localFs, dir.getParent(), perm);
    localFs.mkdir(dir, perm, false);
    if (!perm.equals(perm.applyUMask(localFs.getUMask()))) {
      localFs.setPermission(dir, perm);
    }
  }
}

Example 8

Source File: YARNRunner.java From hadoop with Apache License 2.0

5 votes

private LocalResource createApplicationResource(FileContext fs, Path p, LocalResourceType type)
    throws IOException {
  LocalResource rsrc = recordFactory.newRecordInstance(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs
      .getDefaultFileSystem().resolvePath(rsrcStat.getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
  return rsrc;
}

Example 9

Source File: TestFSDownload.java From big-c with Apache License 2.0

5 votes

private void verifyPermsRecursively(FileSystem fs,
    FileContext files, Path p,
    LocalResourceVisibility vis) throws IOException {
  FileStatus status = files.getFileStatus(p);
  if (status.isDirectory()) {
    if (vis == LocalResourceVisibility.PUBLIC) {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PUBLIC_DIR_PERMS.toShort());
    }
    else {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PRIVATE_DIR_PERMS.toShort());
    }
    if (!status.isSymlink()) {
      FileStatus[] statuses = fs.listStatus(p);
      for (FileStatus stat : statuses) {
        verifyPermsRecursively(fs, files, stat.getPath(), vis);
      }
    }
  }
  else {
    if (vis == LocalResourceVisibility.PUBLIC) {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PUBLIC_FILE_PERMS.toShort());
    }
    else {
      Assert.assertTrue(status.getPermission().toShort() ==
        FSDownload.PRIVATE_FILE_PERMS.toShort());
    }
  }      
}

Example 10

Source File: NonAggregatingLogHandler.java From big-c with Apache License 2.0

5 votes

@Override
@SuppressWarnings("unchecked")
public void run() {
  List<Path> localAppLogDirs = new ArrayList<Path>();
  FileContext lfs = getLocalFileContext(getConfig());
  for (String rootLogDir : dirsHandler.getLogDirsForCleanup()) {
    Path logDir = new Path(rootLogDir, applicationId.toString());
    try {
      lfs.getFileStatus(logDir);
      localAppLogDirs.add(logDir);
    } catch (UnsupportedFileSystemException ue) {
      LOG.warn("Unsupported file system used for log dir " + logDir, ue);
      continue;
    } catch (IOException ie) {
      continue;
    }
  }

  // Inform the application before the actual delete itself, so that links
  // to logs will no longer be there on NM web-UI.
  NonAggregatingLogHandler.this.dispatcher.getEventHandler().handle(
    new ApplicationEvent(this.applicationId,
      ApplicationEventType.APPLICATION_LOG_HANDLING_FINISHED));
  if (localAppLogDirs.size() > 0) {
    NonAggregatingLogHandler.this.delService.delete(user, null,
      (Path[]) localAppLogDirs.toArray(new Path[localAppLogDirs.size()]));
  }
  try {
    NonAggregatingLogHandler.this.stateStore.removeLogDeleter(
        this.applicationId);
  } catch (IOException e) {
    LOG.error("Error removing log deletion state", e);
  }
}

Example 11

Source File: DirectoryCollection.java From big-c with Apache License 2.0

5 votes

private void createDir(FileContext localFs, Path dir, FsPermission perm)
    throws IOException {
  if (dir == null) {
    return;
  }
  try {
    localFs.getFileStatus(dir);
  } catch (FileNotFoundException e) {
    createDir(localFs, dir.getParent(), perm);
    localFs.mkdir(dir, perm, false);
    if (!perm.equals(perm.applyUMask(localFs.getUMask()))) {
      localFs.setPermission(dir, perm);
    }
  }
}

Example 12

Source File: YARNRunner.java From big-c with Apache License 2.0

5 votes

private LocalResource createApplicationResource(FileContext fs, Path p, LocalResourceType type)
    throws IOException {
  LocalResource rsrc = recordFactory.newRecordInstance(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs
      .getDefaultFileSystem().resolvePath(rsrcStat.getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
  return rsrc;
}

Example 13

Source File: YARNRunner.java From incubator-tez with Apache License 2.0

5 votes

private LocalResource createApplicationResource(FileContext fs, Path p,
    LocalResourceType type) throws IOException {
  LocalResource rsrc = Records.newRecord(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs
      .getDefaultFileSystem().resolvePath(rsrcStat.getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
  return rsrc;
}

Example 14

Source File: YARNRunner.java From tez with Apache License 2.0

5 votes

private LocalResource createApplicationResource(FileContext fs, Path p,
    LocalResourceType type) throws IOException {
  LocalResource rsrc = Records.newRecord(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs
      .getDefaultFileSystem().resolvePath(rsrcStat.getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
  return rsrc;
}