def validate(self, context):
"""Validate that the port can be used in a trunk."""
# TODO(tidwellr): there is a chance of a race between the
# time these checks are performed and the time the trunk
# creation is executed. To be revisited, if it bites.
# Validate that the given port_id is not used by a subport.
subports = trunk_objects.SubPort.get_objects(
context, port_id=self.port_id)
if subports:
raise trunk_exc.TrunkPortInUse(port_id=self.port_id)
# Validate that the given port_id is not used by a trunk.
trunks = trunk_objects.Trunk.get_objects(context, port_id=self.port_id)
if trunks:
raise trunk_exc.ParentPortInUse(port_id=self.port_id)
if self.is_bound(context):
raise trunk_exc.ParentPortInUse(port_id=self.port_id)
return self.port_id
def validate(self, context, parent_port=True):
"""Validate that the port can be used in a trunk.
:param parent_port: True if the port is intended for use
as parent in a trunk.
"""
# TODO(tidwellr): there is a chance of a race between the
# time these checks are performed and the time the trunk
# creation is executed. To be revisited, if it bites.
# Validate that the given port_id is not used by a subport.
subports = trunk_objects.SubPort.get_objects(
context, port_id=self.port_id)
if subports:
raise trunk_exc.TrunkPortInUse(port_id=self.port_id)
# Validate that the given port_id is not used by a trunk.
trunks = trunk_objects.Trunk.get_objects(context, port_id=self.port_id)
if trunks:
raise trunk_exc.ParentPortInUse(port_id=self.port_id)
if parent_port:
# if the port is being used as a parent in a trunk, check if
# it can be trunked, i.e. if it is already associated to physical
# resources (namely it is bound). Bound ports may be used as
# trunk parents, but that depends on the underlying driver in
# charge.
if not self.can_be_trunked(context):
raise trunk_exc.ParentPortInUse(port_id=self.port_id)
else:
# if the port is being used as subport in a trunk, check if it is a
# port that is not actively used for other purposes, e.g. a router
# port, compute port, DHCP port etc. We have no clue what the side
# effects of connecting the port to a trunk would be, and it is
# better to err on the side of caution and prevent the operation.
self.check_not_in_use(context)
return self.port_id
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 _validate(self, context, subport):
# 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'])
# 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)
trunk_validator = TrunkPortValidator(subport['port_id'])
trunk_validator.validate(context)
return subport
def _raise_subport_is_parent_port(self, context, subport):
if subport['port_id'] == self.trunk_port_id:
raise trunk_exc.ParentPortInUse(port_id=subport['port_id'])
