Synnefo » snf-ganeti » ganeti-local

def CheckMasterCandidate(debug, ss=None):

  """Checks the node setup.

  If this is a master candidate, the function will return. Otherwise it will

  exit with an exit code based on the node status.

  """

  try:

    if ss is None:

      ss = SimpleStore()

    myself = utils.HostInfo().name

    candidates = ss.GetMasterCandidates()

  except errors.ConfigurationError, err:

    print "Cluster configuration incomplete: '%s'" % str(err)

    sys.exit(constants.EXIT_NODESETUP_ERROR)

  except errors.ResolverError, err:

    sys.stderr.write("Cannot resolve my own name (%s)\n" % err.args[0])

    sys.exit(constants.EXIT_NODESETUP_ERROR)

  if myself not in candidates:

    if debug:

      sys.stderr.write("Not master candidate, exiting.\n")

    sys.exit(constants.EXIT_NOTCANDIDATE)