Package org.apache.hadoop.util.Shell

Examples of org.apache.hadoop.util.Shell.ShellCommandExecutor.execute()

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  private static void sendSignal(String pid, int signal) throws IOException {
    ShellCommandExecutor shexec = null;
      String[] arg = { "kill", "-" + signal, pid };
      shexec = new ShellCommandExecutor(arg);
    shexec.execute();
  }

  /**
   * Is any of the subprocesses in the process-tree alive?
   * Used only in tests.
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    ShellCommandExecutor shExec = new ShellCommandExecutor(commandArray);
    if (LOG.isDebugEnabled()) {
      LOG.debug("checkLinuxExecutorSetup: " + Arrays.toString(commandArray));
    }
    try {
      shExec.execute();
    } catch (ExitCodeException e) {
      int exitCode = shExec.getExitCode();
      LOG.warn("Exit code from container is : " + exitCode);
      logOutput(shExec.getOutput());
      throw new IOException("Linux container executor not configured properly"
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    LOG.info("initApplication: " + Arrays.toString(commandArray));
    if (LOG.isDebugEnabled()) {
      LOG.debug("initApplication: " + Arrays.toString(commandArray));
    }
    try {
      shExec.execute();
      if (LOG.isDebugEnabled()) {
        logOutput(shExec.getOutput());
      }
    } catch (ExitCodeException e) {
      int exitCode = shExec.getExitCode();
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        String[] commandArray = command.toArray(new String[command.size()]);
        shExec = new ShellCommandExecutor(commandArray, null, // NM's cwd
            container.getLaunchContext().getEnvironment()); // sanitized env
        // DEBUG
        LOG.info("launchContainer: " + Arrays.toString(commandArray));
        shExec.execute();
        if (LOG.isDebugEnabled()) {
          logOutput(shExec.getOutput());
        }
      } else {
        LOG.info("Container was marked as inactive. Returning terminated error");
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    ShellCommandExecutor shExec = new ShellCommandExecutor(command);
    if (LOG.isDebugEnabled()) {
      LOG.debug("signalContainer: " + Arrays.toString(command));
    }
    try {
      shExec.execute();
    } catch (ExitCodeException e) {
      int ret_code = shExec.getExitCode();
      if (ret_code == ResultCode.INVALID_CONTAINER_PID.getValue()) {
        return false;
      }
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    LOG.info(" -- DEBUG -- deleteAsUser: " + Arrays.toString(commandArray));
    if (LOG.isDebugEnabled()) {
      LOG.debug("deleteAsUser: " + Arrays.toString(commandArray));
    }
    try {
      shExec.execute();
      if (LOG.isDebugEnabled()) {
        logOutput(shExec.getOutput());
      }
    } catch (IOException e) {
      int exitCode = shExec.getExitCode();
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      shExec = new ShellCommandExecutor(
          command,
          new File(containerWorkDir.toUri().getPath()),
          container.getLaunchContext().getEnvironment());      // sanitized env
      if (isContainerActive(containerId)) {
        shExec.execute();
      }
      else {
        LOG.info("Container " + containerIdStr +
            " was marked as inactive. Returning terminated error");
        return ExitCode.TERMINATED.getExitCode();
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   */
  protected void sendSignal(String pid, Signal signal) throws IOException {
    ShellCommandExecutor shexec = null;
    String[] arg = { "kill", "-" + signal.getValue(), pid };
    shexec = new ShellCommandExecutor(arg);
    shexec.execute();
  }

  @Override
  public void deleteAsUser(String user, Path subDir, Path... baseDirs)
      throws IOException, InterruptedException {
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     * @throws IOException
     */
    public void runScript(List<String> args, File dir) throws IOException {
      ShellCommandExecutor shexec =
              new ShellCommandExecutor(args.toArray(new String[0]), dir);
      shexec.execute();
      int exitCode = shexec.getExitCode();
      if (exitCode != 0) {
        throw new IOException("Task debug script exit with nonzero status of "
                              + exitCode + ".");
      }
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    } else {
      untarCommand.append(FileUtil.makeShellPath(inFile));
    }
    String[] shellCmd = { "bash", "-c", untarCommand.toString() };
    ShellCommandExecutor shexec = new ShellCommandExecutor(shellCmd);
    shexec.execute();
    int exitcode = shexec.getExitCode();
    if (exitcode != 0) {
      throw new IOException("Error untarring file " + inFile +
                  ". Tar process exited with exit code " + exitcode);
    }
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