def _raise_subport_invalid_mtu(self, context, subport, trunk_port_mtu):
# Check MTU sanity - subport MTU must not exceed trunk MTU.
# If for whatever reason trunk_port_mtu is not available,
# the MTU sanity check cannot be enforced.
if trunk_port_mtu:
port_mtu = self._get_port_mtu(context, subport['port_id'])
if port_mtu and port_mtu > trunk_port_mtu:
raise trunk_exc.SubPortMtuGreaterThanTrunkPortMtu(
port_id=subport['port_id'],
port_mtu=port_mtu,
trunk_id=self.trunk_port_id,
trunk_mtu=trunk_port_mtu)
def _validate(self, context, subport, trunk_port_mtu):
# Check that the subport doesn't reference the same port_id as a
# trunk we may be in the middle of trying to create, in other words
# make the validation idiot proof.
if subport['port_id'] == self.trunk_port_id:
raise trunk_exc.ParentPortInUse(port_id=subport['port_id'])
# Check MTU sanity - subport MTU must not exceed trunk MTU.
# If for whatever reason trunk_port_mtu is not available,
# the MTU sanity check cannot be enforced.
if trunk_port_mtu:
port_mtu = self._get_port_mtu(context, subport['port_id'])
if port_mtu and port_mtu > trunk_port_mtu:
raise trunk_exc.SubPortMtuGreaterThanTrunkPortMtu(
port_id=subport['port_id'],
port_mtu=port_mtu,
trunk_id=self.trunk_port_id,
trunk_mtu=trunk_port_mtu)
# If the segmentation details are missing, we will need to
# figure out defaults when the time comes to support Ironic.
# We can reasonably expect segmentation details to be provided
# in all other cases for now.
try:
segmentation_type = subport["segmentation_type"]
segmentation_id = (converters.convert_to_int(
subport["segmentation_id"]))
except KeyError:
msg = _("Invalid subport details '%s': missing segmentation "
"information. Must specify both segmentation_id and "
"segmentation_type") % subport
raise n_exc.InvalidInput(error_message=msg)
except n_exc.InvalidInput:
msg = _("Invalid subport details: segmentation_id '%s' is "
"not an integer") % subport["segmentation_id"]
raise n_exc.InvalidInput(error_message=msg)
if segmentation_type not in self._segmentation_types:
msg = _("Unknown segmentation_type '%s'") % segmentation_type
raise n_exc.InvalidInput(error_message=msg)
if not self._segmentation_types[segmentation_type](segmentation_id):
msg = _("Segmentation ID '%s' is not in range") % segmentation_id
raise n_exc.InvalidInput(error_message=msg)
# Check if the subport is already participating in an active trunk
trunk_validator = TrunkPortValidator(subport['port_id'])
trunk_validator.validate(context, parent_port=False)
return subport
def _raise_subport_invalid_mtu(self, context, subport, trunk_port_mtu,
subport_mtus):
# Check MTU sanity - subport MTU must not exceed trunk MTU.
# If for whatever reason trunk_port_mtu is not available,
# the MTU sanity check cannot be enforced.
if trunk_port_mtu:
# missing MTUs for subports is not an error condition: the
# subport UUID may be invalid or non existent.
subport_mtu = subport_mtus.get(subport['port_id'])
if subport_mtu and subport_mtu > trunk_port_mtu:
raise trunk_exc.SubPortMtuGreaterThanTrunkPortMtu(
port_id=subport['port_id'],
port_mtu=subport_mtu,
trunk_id=self.trunk_port_id,
trunk_mtu=trunk_port_mtu)
