Synnefo » snf-ganeti » ganeti-local

def CheckBEParams(beparams):

  """Checks whether the user-supplied be-params are valid,

  and converts them from string format where appropriate.

  @type beparams: dict

  @param beparams: new params dict

  """

  if beparams:

    for item in beparams:

      if item not in constants.BES_PARAMETERS:

        raise errors.OpPrereqError("Unknown backend parameter %s" % item)

      if item in (constants.BE_MEMORY, constants.BE_VCPUS):

        val = beparams[item]

        if val != constants.VALUE_DEFAULT:

          try:

            val = int(val)

          except ValueError, err:

            raise errors.OpPrereqError("Invalid %s size: %s" % (item, str(err)))

          beparams[item] = val

      if item in (constants.BE_AUTO_BALANCE):

        val = beparams[item]

        if val == constants.VALUE_TRUE:

          beparams[item] = True

        elif val == constants.VALUE_FALSE:

          beparams[item] = False

        else:

          raise errors.OpPrereqError("Invalid %s value: %s" % (item, val))