def delete_network_segment_range(self, context, id):
"""Check segment reference on network segment range deletion."""
with db_api.CONTEXT_WRITER.using(context):
network_segment_range = self._get_network_segment_range(
context, id)
range_data = network_segment_range.to_dict()
if range_data['default']:
# TODO(kailun): To use
# range_exc.NetworkSegmentRangeDefaultReadOnly when the
# neutron-lib patch https://review.openstack.org/640777 is
# merged and released.
message = _("Network Segment Range %s is a "
"default segment range which could not be "
"updated or deleted.") % id
raise lib_exc.BadRequest(resource=range_def.RESOURCE_NAME,
msg=message)
if self._is_network_segment_range_referenced(context, range_data):
# TODO(kailun): To use
# range_exc.NetworkSegmentRangeReferencedByProject when the
# neutron-lib patch https://review.openstack.org/640777 is
# merged and released.
message = _("Network Segment Range %s is referenced by "
"one or more tenant networks.") % id
raise lib_exc.InUse(resource=range_def.RESOURCE_NAME,
msg=message)
network_segment_range.delete()
self.type_manager.update_network_segment_range_allocations(
network_segment_range['network_type'])
def update_network_segment_range(self, context, id, network_segment_range):
"""Check existing network segment range impact on range updates."""
updated_range_data = network_segment_range['network_segment_range']
with db_api.CONTEXT_WRITER.using(context):
network_segment_range = self._get_network_segment_range(
context, id)
existing_range_data = network_segment_range.to_dict()
if existing_range_data['default']:
# TODO(kailun): To use
# range_exc.NetworkSegmentRangeDefaultReadOnly when the
# neutron-lib patch https://review.openstack.org/640777 is
# merged and released.
message = _("Network Segment Range %s is a "
"default segment range which could not be "
"updated or deleted.") % id
raise lib_exc.BadRequest(resource=range_def.RESOURCE_NAME,
msg=message)
if self._are_allocated_segments_in_range_impacted(
context,
existing_range=existing_range_data,
updated_range=updated_range_data):
# TODO(kailun): To use
# range_exc.NetworkSegmentRangeReferencedByProject when the
# neutron-lib patch https://review.openstack.org/640777 is
# merged and released.
message = _("Network Segment Range %s is referenced by "
"one or more tenant networks.") % id
raise lib_exc.InUse(resource=range_def.RESOURCE_NAME,
msg=message)
new_range_data = self._add_unchanged_range_attributes(
updated_range_data, existing_range_data)
self._validate_network_segment_range_eligible(new_range_data)
network_segment_range.update_fields(new_range_data)
network_segment_range.update()
self.type_manager.update_network_segment_range_allocations(
network_segment_range['network_type'])
return network_segment_range.to_dict()