Exemplo n.º 1
0
  @Override
  public CompoundStatus checkTargetTTsSuccess(
      String opType, String[] affectedTTs, int totalTargetEnabled, HadoopCluster cluster) {
    CompoundStatus status = new CompoundStatus("checkTargetTTsSuccess");

    String scriptFileName = CHECK_SCRIPT_FILE_NAME;
    String scriptRemoteFilePath = DEFAULT_SCRIPT_DEST_PATH + scriptFileName;
    String listRemoteFilePath = null;
    String opDesc = "checkTargetTTsSuccess";

    _log.log(Level.INFO, "AffectedTTs:");
    for (String tt : affectedTTs) {
      _log.log(Level.INFO, tt);
    }
    HadoopConnection connection = getConnectionForCluster(cluster);
    setErrorParamsForCommand(opDesc, scriptRemoteFilePath, listRemoteFilePath);

    int rc = -1;
    int iterations = 0;
    do {
      if (iterations > 0) {
        _log.log(Level.INFO, "Target TTs not yet achieved...checking again - " + iterations);
      }

      OutputStream out = new ByteArrayOutputStream();
      rc =
          executeScriptWithCopyRetryOnFailure(
              connection,
              scriptFileName,
              new String[] {"" + totalTargetEnabled, connection.getHadoopHome()},
              out);
      try {
        out.flush();
      } catch (IOException e) {
        String errorMsg = "Unexpected exception in SSH OutputStream ";
        _log.log(Level.WARNING, errorMsg, e);
        status.registerTaskFailed(false, errorMsg + e.getMessage());
      }

      // _log.log(Level.INFO, "Output from SSH script execution:\n"+out.toString());

      /* Convert to String array and "nullify" last element (which happens to be "@@@..." or empty line) */
      String[] allActiveTTs = out.toString().split("\n");
      allActiveTTs[allActiveTTs.length - 1] = null;

      if (checkOpSuccess(opType, affectedTTs, allActiveTTs)) {
        _log.log(Level.INFO, "All selected TTs correctly %sed", opType.toLowerCase());
        rc = SUCCESS;
        break;
      }
      // TODO: out.close()?

    } while ((rc == ERROR_FEWER_TTS || rc == ERROR_EXCESS_TTS)
        && (++iterations <= MAX_CHECK_RETRY_ITERATIONS));

    status.addStatus(_errorCodes.interpretErrorCode(_log, rc, _errorParamValues));
    return status;
  }
Exemplo n.º 2
0
  private CompoundStatus decomRecomTTs(
      String opDesc,
      String[] tts,
      HadoopCluster cluster,
      String scriptFileName,
      String listFileName) {
    CompoundStatus status = new CompoundStatus("decomRecomTTs");

    if (!isValidTTList(tts)) {
      String errorMsg = opDesc + " failed due to bad TT list";
      _log.log(Level.SEVERE, opDesc + " failed due to bad TT list");
      status.registerTaskFailed(false, errorMsg);
      return status;
    }

    String scriptRemoteFilePath = DEFAULT_SCRIPT_DEST_PATH + scriptFileName;
    String listRemoteFilePath = DEFAULT_SCRIPT_DEST_PATH + listFileName;

    HadoopConnection connection = getConnectionForCluster(cluster);
    setErrorParamsForCommand(opDesc.toLowerCase(), scriptRemoteFilePath, listRemoteFilePath);

    OutputStream out = new ByteArrayOutputStream();
    String operationList = createVMList(tts);
    int rc =
        connection.copyDataToJobTracker(
            operationList.getBytes(), DEFAULT_SCRIPT_DEST_PATH, listFileName, false);
    if (rc == 0) {
      rc =
          executeScriptWithCopyRetryOnFailure(
              connection,
              scriptFileName,
              new String[] {
                listRemoteFilePath, connection.getExcludeFilePath(), connection.getHadoopHome()
              },
              out);
    }
    status.addStatus(_errorCodes.interpretErrorCode(_log, rc, _errorParamValues));
    return status;
  }