org.apache.hadoop.io.DataInputByteBuffer Java Examples

private Credentials parseCredentials(ContainerLaunchContext launchContext)
    throws IOException {
  Credentials credentials = new Credentials();
  // //////////// Parse credentials
  ByteBuffer tokens = launchContext.getTokens();

  if (tokens != null) {
    DataInputByteBuffer buf = new DataInputByteBuffer();
    tokens.rewind();
    buf.reset(tokens);
    credentials.readTokenStorageStream(buf);
    if (LOG.isDebugEnabled()) {
      for (Token<? extends TokenIdentifier> tk : credentials.getAllTokens()) {
        LOG.debug(tk.getService() + " = " + tk.toString());
      }
    }
  }
  // //////////// End of parsing credentials
  return credentials;
}
 

private Credentials parseCredentials(ContainerLaunchContext launchContext)
    throws IOException {
  Credentials credentials = new Credentials();
  // //////////// Parse credentials
  ByteBuffer tokens = launchContext.getTokens();

  if (tokens != null) {
    DataInputByteBuffer buf = new DataInputByteBuffer();
    tokens.rewind();
    buf.reset(tokens);
    credentials.readTokenStorageStream(buf);
    if (LOG.isDebugEnabled()) {
      for (Token<? extends TokenIdentifier> tk : credentials.getAllTokens()) {
        LOG.debug(tk.getService() + " = " + tk.toString());
      }
    }
  }
  // //////////// End of parsing credentials
  return credentials;
}
 

public static Credentials convertByteStringToCredentials(ByteString byteString) {
  if (byteString == null) {
    return null;
  }
  DataInputByteBuffer dib = new DataInputByteBuffer();
  dib.reset(byteString.asReadOnlyByteBuffer());
  Credentials credentials = new Credentials();
  try {
    credentials.readTokenStorageStream(dib);
    return credentials;
  } catch (IOException e) {
    throw new TezUncheckedException("Failed to deserialize Credentials", e);
  }
}
 

/**
 * A helper function to deserialize the metadata returned by ShuffleHandler.
 * @param meta the metadata returned by the ShuffleHandler
 * @return the port the Shuffle Handler is listening on to serve shuffle data.
 */
public static int deserializeMetaData(ByteBuffer meta) throws IOException {
  //TODO this should be returning a class not just an int
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  int port = in.readInt();
  return port;
}
 

/**
 * A helper function to deserialize the metadata returned by PullServerAuxService.
 * @param meta the metadata returned by the PullServerAuxService
 * @return the port the PullServer Handler is listening on to serve shuffle data.
 */
public static int deserializeMetaData(ByteBuffer meta) throws IOException {
  //TODO this should be returning a class not just an int
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  return in.readInt();
}
 

/**
 * A helper function to deserialize the metadata returned by PullServerAuxService.
 * @param meta the metadata returned by the PullServerAuxService
 * @return the port the PullServer Handler is listening on to serve shuffle data.
 */
public static int deserializeMetaData(ByteBuffer meta) throws IOException {
  //TODO this should be returning a class not just an int
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  return in.readInt();
}
 

@Test
public void testWritable() throws IOException {

  final PartitionDataWritable writable1 = new PartitionDataWritable();
  final PartitionDataWritable writable2 = new PartitionDataWritable();

  writable1.setPartitionData(
      new PartitionData(new ByteArray(new byte[] {}), new ByteArray("abc"), true));
  writable2.setPartitionData(
      new PartitionData(new ByteArray(new byte[] {}), new ByteArray("abc"), false));

  assertTrue(writable1.compareTo(writable2) == 0);
  writable2.setPartitionData(
      new PartitionData(new ByteArray(new byte[] {}), new ByteArray("abd"), false));
  assertTrue(writable1.compareTo(writable2) < 0);
  writable2.setPartitionData(
      new PartitionData(new ByteArray(new byte[] {}), new ByteArray("abd"), true));
  assertTrue(writable1.compareTo(writable2) < 0);

  final DataOutputByteBuffer output = new DataOutputByteBuffer();
  writable1.write(output);
  output.flush();
  final DataInputByteBuffer input = new DataInputByteBuffer();
  input.reset(output.getData());

  writable2.readFields(input);
  assertTrue(writable1.compareTo(writable2) == 0);
}
 

public static SecretKey getJobTokenSecretFromTokenBytes(ByteBuffer meta)
    throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
  jt.readFields(in);
  SecretKey sk = JobTokenSecretManager.createSecretKey(jt.getPassword());
  return sk;
}
 

public static int deserializeShuffleProviderMetaData(ByteBuffer meta)
    throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  try {
    in.reset(meta);
    int port = in.readInt();
    return port;
  } finally {
    in.close();
  }
}
 

static Token<JobTokenIdentifier> deserializeServiceData(ByteBuffer secret) throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(secret);
  Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
  jt.readFields(in);
  return jt;
}
 

public static SecretKey getJobTokenSecretFromTokenBytes(ByteBuffer meta)
    throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
  jt.readFields(in);
  SecretKey sk = JobTokenSecretManager.createSecretKey(jt.getPassword());
  return sk;
}
 

public static int deserializeShuffleProviderMetaData(ByteBuffer meta)
    throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  try {
    in.reset(meta);
    int port = in.readInt();
    return port;
  } finally {
    in.close();
  }
}
 

public static EdgeManagerConfig fromUserPayload(UserPayload payload)
    throws IOException {
  EdgeManagerConfig emConf = new EdgeManagerConfig();
  DataInputByteBuffer in  = new DataInputByteBuffer();
  in.reset(payload.getPayload());
  emConf.readFields(in);
  return emConf;
}
 

public static Credentials convertByteStringToCredentials(ByteString byteString) {
  if (byteString == null) {
    return null;
  }
  DataInputByteBuffer dib = new DataInputByteBuffer();
  dib.reset(byteString.asReadOnlyByteBuffer());
  Credentials credentials = new Credentials();
  try {
    credentials.readTokenStorageStream(dib);
    return credentials;
  } catch (IOException e) {
    throw new TezUncheckedException("Failed to deserialize Credentials", e);
  }
}
 

@Test(timeout = 5000)
public void testSessionTokenInAmClc() throws IOException, YarnException {

  TezConfiguration tezConf = new TezConfiguration();
  tezConf.set(TezConfiguration.TEZ_AM_STAGING_DIR, STAGING_DIR.getAbsolutePath());

  ApplicationId appId = ApplicationId.newInstance(1000, 1);
  DAG dag = DAG.create("testdag");
  dag.addVertex(Vertex.create("testVertex", ProcessorDescriptor.create("processorClassname"), 1)
      .setTaskLaunchCmdOpts("initialLaunchOpts"));

  Credentials credentials = new Credentials();
  JobTokenSecretManager jobTokenSecretManager = new JobTokenSecretManager();
  TezClientUtils.createSessionToken(appId.toString(), jobTokenSecretManager, credentials);
  Token<JobTokenIdentifier> jobToken = TokenCache.getSessionToken(credentials);
  assertNotNull(jobToken);

  AMConfiguration amConf =
      new AMConfiguration(tezConf, new HashMap<String, LocalResource>(), credentials);
  ApplicationSubmissionContext appSubmissionContext =
      TezClientUtils.createApplicationSubmissionContext(appId, dag, "amName", amConf,
          new HashMap<String, LocalResource>(), credentials, false, new TezApiVersionInfo(),
          null, null);

  ContainerLaunchContext amClc = appSubmissionContext.getAMContainerSpec();
  Map<String, ByteBuffer> amServiceData = amClc.getServiceData();
  assertNotNull(amServiceData);
  assertEquals(1, amServiceData.size());

  DataInputByteBuffer dibb = new DataInputByteBuffer();
  dibb.reset(amServiceData.values().iterator().next());
  Token<JobTokenIdentifier> jtSent = new Token<JobTokenIdentifier>();
  jtSent.readFields(dibb);

  assertTrue(Arrays.equals(jobToken.getIdentifier(), jtSent.getIdentifier()));
}
 

/**
 * A helper function to deserialize the metadata returned by ShuffleHandler.
 * @param meta the metadata returned by the ShuffleHandler
 * @return the port the Shuffle Handler is listening on to serve shuffle data.
 */
public static int deserializeMetaData(ByteBuffer meta) throws IOException {
  //TODO this should be returning a class not just an int
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  int port = in.readInt();
  return port;
}
 

static Token<JobTokenIdentifier> deserializeServiceData(ByteBuffer secret) throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(secret);
  Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
  jt.readFields(in);
  return jt;
}
 

private void addTimelineDelegationToken(
    ContainerLaunchContext clc) throws YarnException, IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  ByteBuffer tokens = clc.getTokens();
  if (tokens != null) {
    dibb.reset(tokens);
    credentials.readTokenStorageStream(dibb);
    tokens.rewind();
  }
  // If the timeline delegation token is already in the CLC, no need to add
  // one more
  for (org.apache.hadoop.security.token.Token<? extends TokenIdentifier> token : credentials
      .getAllTokens()) {
    if (token.getKind().equals(TimelineDelegationTokenIdentifier.KIND_NAME)) {
      return;
    }
  }
  org.apache.hadoop.security.token.Token<TimelineDelegationTokenIdentifier>
      timelineDelegationToken = getTimelineDelegationToken();
  if (timelineDelegationToken == null) {
    return;
  }
  credentials.addToken(timelineService, timelineDelegationToken);
  if (LOG.isDebugEnabled()) {
    LOG.debug("Add timline delegation token into credentials: "
        + timelineDelegationToken);
  }
  DataOutputBuffer dob = new DataOutputBuffer();
  credentials.writeTokenStorageToStream(dob);
  tokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
  clc.setTokens(tokens);
}
 

private void setupTokens(
    ContainerLaunchContext container, ContainerId containerID)
    throws IOException {
  Map<String, String> environment = container.getEnvironment();
  environment.put(ApplicationConstants.APPLICATION_WEB_PROXY_BASE_ENV,
      application.getWebProxyBase());
  // Set AppSubmitTime and MaxAppAttempts to be consumable by the AM.
  ApplicationId applicationId =
      application.getAppAttemptId().getApplicationId();
  environment.put(
      ApplicationConstants.APP_SUBMIT_TIME_ENV,
      String.valueOf(rmContext.getRMApps()
          .get(applicationId)
          .getSubmitTime()));
  environment.put(ApplicationConstants.MAX_APP_ATTEMPTS_ENV,
      String.valueOf(rmContext.getRMApps().get(
          applicationId).getMaxAppAttempts()));

  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  if (container.getTokens() != null) {
    // TODO: Don't do this kind of checks everywhere.
    dibb.reset(container.getTokens());
    credentials.readTokenStorageStream(dibb);
  }

  // Add AMRMToken
  Token<AMRMTokenIdentifier> amrmToken = createAndSetAMRMToken();
  if (amrmToken != null) {
    credentials.addToken(amrmToken.getService(), amrmToken);
  }
  DataOutputBuffer dob = new DataOutputBuffer();
  credentials.writeTokenStorageToStream(dob);
  container.setTokens(ByteBuffer.wrap(dob.getData(), 0, dob.getLength()));
}
 

protected Credentials parseCredentials() throws IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  ByteBuffer tokens = submissionContext.getAMContainerSpec().getTokens();
  if (tokens != null) {
    dibb.reset(tokens);
    credentials.readTokenStorageStream(dibb);
    tokens.rewind();
  }
  return credentials;
}
 

protected Credentials parseCredentials(
    ApplicationSubmissionContext application) throws IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  ByteBuffer tokens = application.getAMContainerSpec().getTokens();
  if (tokens != null) {
    dibb.reset(tokens);
    credentials.readTokenStorageStream(dibb);
    tokens.rewind();
  }
  return credentials;
}
 

public Credentials getContainerCredentials() throws IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer buf = new DataInputByteBuffer();
  containerTokens.rewind();
  buf.reset(containerTokens);
  credentials.readTokenStorageStream(buf);
  return credentials;
}
 

private void addTimelineDelegationToken(
    ContainerLaunchContext clc) throws YarnException, IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  ByteBuffer tokens = clc.getTokens();
  if (tokens != null) {
    dibb.reset(tokens);
    credentials.readTokenStorageStream(dibb);
    tokens.rewind();
  }
  // If the timeline delegation token is already in the CLC, no need to add
  // one more
  for (org.apache.hadoop.security.token.Token<? extends TokenIdentifier> token : credentials
      .getAllTokens()) {
    if (token.getKind().equals(TimelineDelegationTokenIdentifier.KIND_NAME)) {
      return;
    }
  }
  org.apache.hadoop.security.token.Token<TimelineDelegationTokenIdentifier>
      timelineDelegationToken = getTimelineDelegationToken();
  if (timelineDelegationToken == null) {
    return;
  }
  credentials.addToken(timelineService, timelineDelegationToken);
  if (LOG.isDebugEnabled()) {
    LOG.debug("Add timline delegation token into credentials: "
        + timelineDelegationToken);
  }
  DataOutputBuffer dob = new DataOutputBuffer();
  credentials.writeTokenStorageToStream(dob);
  tokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
  clc.setTokens(tokens);
}
 

/**
 * A helper function to deserialize the metadata returned by ShuffleHandler.
 * @param meta the metadata returned by the ShuffleHandler
 * @return the port the Shuffle Handler is listening on to serve shuffle data.
 */
public static int deserializeMetaData(ByteBuffer meta) throws IOException {
  //TODO this should be returning a class not just an int
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(meta);
  int port = in.readInt();
  return port;
}
 

static Token<JobTokenIdentifier> deserializeServiceData(ByteBuffer secret) throws IOException {
  DataInputByteBuffer in = new DataInputByteBuffer();
  in.reset(secret);
  Token<JobTokenIdentifier> jt = new Token<JobTokenIdentifier>();
  jt.readFields(in);
  return jt;
}
 

/**
 * Decodes {@link Credentials} from the given buffer.
 * If the buffer is null or empty, it returns an empty Credentials.
 */
public static Credentials decodeCredentials(ByteBuffer buffer) throws IOException {
  Credentials credentials = new Credentials();
  if (buffer != null && buffer.hasRemaining()) {
    DataInputByteBuffer in = new DataInputByteBuffer();
    in.reset(buffer);
    credentials.readTokenStorageStream(in);
  }
  return credentials;
}
 

private void setupTokens(
    ContainerLaunchContext container, ContainerId containerID)
    throws IOException {
  Map<String, String> environment = container.getEnvironment();
  environment.put(ApplicationConstants.APPLICATION_WEB_PROXY_BASE_ENV,
      application.getWebProxyBase());
  // Set AppSubmitTime and MaxAppAttempts to be consumable by the AM.
  ApplicationId applicationId =
      application.getAppAttemptId().getApplicationId();
  environment.put(
      ApplicationConstants.APP_SUBMIT_TIME_ENV,
      String.valueOf(rmContext.getRMApps()
          .get(applicationId)
          .getSubmitTime()));
  environment.put(ApplicationConstants.MAX_APP_ATTEMPTS_ENV,
      String.valueOf(rmContext.getRMApps().get(
          applicationId).getMaxAppAttempts()));

  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  if (container.getTokens() != null) {
    // TODO: Don't do this kind of checks everywhere.
    dibb.reset(container.getTokens());
    credentials.readTokenStorageStream(dibb);
  }

  // Add AMRMToken
  Token<AMRMTokenIdentifier> amrmToken = createAndSetAMRMToken();
  if (amrmToken != null) {
    credentials.addToken(amrmToken.getService(), amrmToken);
  }
  DataOutputBuffer dob = new DataOutputBuffer();
  credentials.writeTokenStorageToStream(dob);
  container.setTokens(ByteBuffer.wrap(dob.getData(), 0, dob.getLength()));
}
 

protected Credentials parseCredentials() throws IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  ByteBuffer tokens = submissionContext.getAMContainerSpec().getTokens();
  if (tokens != null) {
    dibb.reset(tokens);
    credentials.readTokenStorageStream(dibb);
    tokens.rewind();
  }
  return credentials;
}
 

protected Credentials parseCredentials(
    ApplicationSubmissionContext application) throws IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer dibb = new DataInputByteBuffer();
  ByteBuffer tokens = application.getAMContainerSpec().getTokens();
  if (tokens != null) {
    dibb.reset(tokens);
    credentials.readTokenStorageStream(dibb);
    tokens.rewind();
  }
  return credentials;
}
 

public Credentials getContainerCredentials() throws IOException {
  Credentials credentials = new Credentials();
  DataInputByteBuffer buf = new DataInputByteBuffer();
  containerTokens.rewind();
  buf.reset(containerTokens);
  credentials.readTokenStorageStream(buf);
  return credentials;
}