Examples of org.apache.hadoop.security.Credentials.writeTokenStorageToStream()

Class org.apache.hadoop.security.Credentials

Examples of org.apache.hadoop.security.Credentials.writeTokenStorageToStream()

org.apache.hadoop.security.Credentials.writeTokenStorageToStream()

      InetAddress.getByName(uri.getHost()).getHostAddress() + ":" + uri.getPort();
    token.setService(new Text(nnAddress));
    
    Credentials ts = new Credentials();
    ts.addToken(new Text(shortName), token);
    ts.writeTokenStorageToStream(out);
  }


  /**
   * Utility method to obtain a delegation token over http
   * @param nnHttpAddr Namenode http addr, such as http://namenode:50070

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  static private void getDTfromRemoteIntoFile(String nnAddr, String filename) 
  throws IOException {
    Credentials ts = getDTfromRemote(nnAddr, null); 


    DataOutputStream file = new DataOutputStream(new FileOutputStream(filename));
    ts.writeTokenStorageToStream(file);
    file.flush();
    System.out.println("Successfully wrote token of " + file.size() 
        + " bytes  to " + filename);
  }
}

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      TokenCache.setJobToken(jobToken, taskCredentials);


      DataOutputBuffer containerTokens_dob = new DataOutputBuffer();
      LOG.info("Size of containertokens_dob is "
          + taskCredentials.numberOfTokens());
      taskCredentials.writeTokenStorageToStream(containerTokens_dob);
      taskCredentialsBuffer =
          ByteBuffer.wrap(containerTokens_dob.getData(), 0,
              containerTokens_dob.getLength());


      // Add shuffle secret key

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    Assert.assertEquals(tokenSet, rm1.getRMContext()
      .getDelegationTokenRenewer().getDelegationTokens());


    // assert delegation tokens are saved
    DataOutputBuffer dob = new DataOutputBuffer();
    ts.writeTokenStorageToStream(dob);
    ByteBuffer securityTokens =
        ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
    securityTokens.rewind();
    Assert.assertEquals(securityTokens, appState
      .getApplicationSubmissionContext().getAMContainerSpec()

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    UserGroupInformation currentUser = UserGroupInformation.getCurrentUser();
    Credentials credentials =
      currentUser.getCredentials();
    DataOutputBuffer dob = new DataOutputBuffer();
    credentials.writeTokenStorageToStream(dob);
    dob.close();
    // Now remove the AM->RM token so that containers cannot access it.
    Iterator<Token<?>> iter = credentials.getAllTokens().iterator();
    while (iter.hasNext()) {
      Token<?> token = iter.next();

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    Location tmpLocation = credentialsLocation.getTempFile(Constants.Files.CREDENTIALS);


    // Save the credentials store with user-only permission.
    DataOutputStream os = new DataOutputStream(new BufferedOutputStream(tmpLocation.getOutputStream("600")));
    try {
      credentials.writeTokenStorageToStream(os);
    } finally {
      os.close();
    }


    // Rename the tmp file into the credentials location

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        // /////////// Write out the container-tokens in the nmPrivate space.
        tokensOutStream =
            lfs.create(nmPrivateTokensPath, EnumSet.of(CREATE, OVERWRITE));
        Credentials creds = container.getCredentials();
        creds.writeTokenStorageToStream(tokensOutStream);
        // /////////// End of writing out container-tokens
      } finally {
        IOUtils.cleanup(LOG, containerScriptOutStream, tokensOutStream);
      }

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          LocalizerTokenIdentifier id = secretManager.createIdentifier();
          Token<LocalizerTokenIdentifier> localizerToken =
              new Token<LocalizerTokenIdentifier>(id, secretManager);
          credentials.addToken(id.getKind(), localizerToken);
        }
        credentials.writeTokenStorageToStream(tokenOut);
      } finally {
        if (tokenOut != null) {
          tokenOut.close();
        }
      }

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    LOG.info("Starting ApplicationMaster");


    Credentials credentials =
        UserGroupInformation.getCurrentUser().getCredentials();
    DataOutputBuffer dob = new DataOutputBuffer();
    credentials.writeTokenStorageToStream(dob);
    // Now remove the AM->RM token so that containers cannot access it.
    Iterator<Token<?>> iter = credentials.getAllTokens().iterator();
    while (iter.hasNext()) {
      Token<?> token = iter.next();
      if (token.getKind().equals(AMRMTokenIdentifier.KIND_NAME)) {

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        for (Token<?> token : tokens) {
          LOG.info("Got dt for " + fs.getUri() + "; " + token);
        }
      }
      DataOutputBuffer dob = new DataOutputBuffer();
      credentials.writeTokenStorageToStream(dob);
      ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
      amContainer.setTokens(fsTokens);
    }


    appContext.setAMContainerSpec(amContainer);

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