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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def RunInstaller():
 """Run all registered installers. Run all the current installers and then exit the process. """


  try:
    os.makedirs(os.path.dirname(config.CONFIG["Installer.logfile"]))
  except OSError:
    pass

  # Always log to the installer logfile at debug level. This way if our
  # installer fails we can send detailed diagnostics.
  handler = logging.FileHandler(config.CONFIG["Installer.logfile"], mode="wb")

  handler.setLevel(logging.DEBUG)

  # Add this to the root logger.
  logging.getLogger().addHandler(handler)

  # Ordinarily when the client starts up, the local volatile
  # configuration is read. Howevwer, when running the installer, we
  # need to ensure that only the installer configuration is used so
  # nothing gets overridden by local settings. We there must reload
  # the configuration from the flag and ignore the Config.writeback
  # location.
  config.CONFIG.Initialize(filename=flags.FLAGS.config, reset=True)
  config.CONFIG.AddContext(contexts.INSTALLER_CONTEXT,
                           "Context applied when we run the client installer.")

  logging.warning("Starting installation procedure for GRR client.")
  try:
    Installer().Init()
  except Exception as e:  # pylint: disable=broad-except
    # Ouch! we failed to install... Not a lot we can do
    # here - just log the error and give up.
    logging.exception("Installation failed: %s", e)

    # Error return status.
    sys.exit(-1)

  # Exit successfully.
  sys.exit(0)