Synnefo » snf-ganeti

def Finish(client, fn, *args, **kwargs):

  """ When invoked with a job-starting RAPI client method, it passes along any

  additional arguments and waits until its completion.

  @type client C{GanetiRapiClientWrapper}

  @param client The client wrapper.

  @type fn function

  @param fn A client method returning a job id.

  """

  possible_job_id = fn(*args, **kwargs)

  try:

    # The job ids are returned as both ints and ints represented by strings.

    # This is a pythonic check to see if the content is an int.

    int(possible_job_id)

  except (ValueError, TypeError):

    # As a rule of thumb, failures will return None, and other methods are

    # expected to return at least something

    if possible_job_id is not None:

      print ("Finish called with a method not producing a job id, "

             "returning %s" % possible_job_id)

    return possible_job_id

  success = client.WaitForJobCompletion(possible_job_id)

  result = client.GetJobStatus(possible_job_id)["opresult"][0]

  if success:

    return result

  else:

    print "Error encountered while performing operation: "

    print result

    return None

  Finish(client, client.RedistributeConfig)