Synnefo » snf-ganeti » ganeti-local

def EnsureRuntimeEnvironment():

  """Ensure our run-time environment is complete.

  Currently this creates directories which could be missing, either

  due to directories being on a tmpfs mount, or due to incomplete

  packaging.

  """

  dirs = [(val, constants.RUN_DIRS_MODE) for val in constants.SUB_RUN_DIRS]

  dirs.append((constants.LOG_OS_DIR, 0750))

  dirs.append((constants.LOCK_DIR, 1777))

  for dir_name, dir_mode in dirs:

    if not os.path.exists(dir_name):

      try:

        os.mkdir(dir_name, dir_mode)

      except EnvironmentError, err:

        if err.errno != errno.EEXIST:

          print ("Node setup wrong, cannot create directory '%s': %s" %

                 (dir_name, err))

          sys.exit(5)

    if not os.path.isdir(dir_name):

      print ("Node setup wrong, '%s' is not a directory" % dir_name)

      sys.exit(5)

  EnsureRuntimeEnvironment()