Package org.apache.hadoop.lib.service

Examples of org.apache.hadoop.lib.service.FileSystemAccess

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   * exceptions are handled by {@link HttpFSExceptionProvider}.
   */
  private <T> T fsExecute(Principal user, String doAs, FileSystemAccess.FileSystemExecutor<T> executor)
    throws IOException, FileSystemAccessException {
    String hadoopUser = getEffectiveUser(user, doAs);
    FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
    Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
    return fsAccess.execute(hadoopUser, conf, executor);
  }
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   * @throws FileSystemAccessException thrown if a FileSystemAccess releated error occurred. Thrown
   * exceptions are handled by {@link HttpFSExceptionProvider}.
   */
  private FileSystem createFileSystem(Principal user, String doAs) throws IOException, FileSystemAccessException {
    String hadoopUser = getEffectiveUser(user, doAs);
    FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
    Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
    FileSystem fs = fsAccess.createFileSystem(hadoopUser, conf);
    FileSystemReleaseFilter.setFileSystem(fs);
    return fs;
  }
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   * exceptions are handled by {@link HttpFSExceptionProvider}.
   */
  private <T> T fsExecute(Principal user, String doAs, FileSystemAccess.FileSystemExecutor<T> executor)
    throws IOException, FileSystemAccessException {
    String hadoopUser = getEffectiveUser(user, doAs);
    FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
    Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
    return fsAccess.execute(hadoopUser, conf, executor);
  }
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   * @throws FileSystemAccessException thrown if a FileSystemAccess releated error occurred. Thrown
   * exceptions are handled by {@link HttpFSExceptionProvider}.
   */
  private FileSystem createFileSystem(Principal user, String doAs) throws IOException, FileSystemAccessException {
    String hadoopUser = getEffectiveUser(user, doAs);
    FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
    Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
    FileSystem fs = fsAccess.createFileSystem(hadoopUser, conf);
    FileSystemReleaseFilter.setFileSystem(fs);
    return fs;
  }
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    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess hadoop = server.get(FileSystemAccess.class);
    FileSystem fs = hadoop.createFileSystem("u", hadoop.getFileSystemConfiguration());
    Assert.assertNotNull(fs);
    fs.mkdirs(new Path("/tmp/foo"));
    hadoop.releaseFileSystem(fs);
    try {
      fs.mkdirs(new Path("/tmp/foo"));
      Assert.fail();
    } catch (IOException ex) {
    } catch (Exception ex) {
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    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess hadoop = server.get(FileSystemAccess.class);

    final FileSystem fsa[] = new FileSystem[1];

    hadoop.execute("u", hadoop.getFileSystemConfiguration(), new FileSystemAccess.FileSystemExecutor<Void>() {
      @Override
      public Void execute(FileSystem fs) throws IOException {
        fs.mkdirs(new Path("/tmp/foo"));
        fsa[0] = fs;
        return null;
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    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess fsAccess = server.get(FileSystemAccess.class);

    Configuration hdfsConf = fsAccess.getFileSystemConfiguration();
    hdfsConf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, "");
    fsAccess.execute("u", hdfsConf, new FileSystemAccess.FileSystemExecutor<Void>() {
      @Override
      public Void execute(FileSystem fs) throws IOException {
        return null;
      }
    });
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    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess hadoop = server.get(FileSystemAccess.class);

    final FileSystem fsa[] = new FileSystem[1];
    try {
      hadoop.execute("u", hadoop.getFileSystemConfiguration(), new FileSystemAccess.FileSystemExecutor<Void>() {
        @Override
        public Void execute(FileSystem fs) throws IOException {
          fsa[0] = fs;
          throw new IOException();
        }
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                                                          FileSystemAccessService.class.getName()));
    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess hadoop = server.get(FileSystemAccess.class);
    FileSystem fs = hadoop.createFileSystem("u", TestHdfsHelper.getHdfsConf());
    Assert.assertNotNull(fs);
    fs.mkdirs(new Path("/tmp/foo"));
    hadoop.releaseFileSystem(fs);
    try {
      fs.mkdirs(new Path("/tmp/foo"));
      Assert.fail();
    } catch (IOException ex) {
    } catch (Exception ex) {
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                                                          FileSystemAccessService.class.getName()));
    Configuration conf = new Configuration(false);
    conf.set("server.services", services);
    Server server = new Server("server", dir, dir, dir, dir, conf);
    server.init();
    FileSystemAccess hadoop = server.get(FileSystemAccess.class);

    final FileSystem fsa[] = new FileSystem[1];

    hadoop.execute("u", TestHdfsHelper.getHdfsConf(), new FileSystemAccess.FileSystemExecutor<Void>() {
      @Override
      public Void execute(FileSystem fs) throws IOException {
        fs.mkdirs(new Path("/tmp/foo"));
        fsa[0] = fs;
        return null;
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Related Classes of org.apache.hadoop.lib.service.FileSystemAccess

  • org.apache.hadoop.fs.http.server.HttpFSServer
  • org.apache.hadoop.lib.service.hadoop.TestFileSystemAccessService
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