125 lines
5.2 KiB
Python
125 lines
5.2 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import netaddr
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from neutron_lib import constants
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from neutron_lib.db import resource_extend
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from neutron_lib.db import utils as db_utils
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from neutron_lib.exceptions import address_group as ag_exc
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from oslo_utils import uuidutils
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from neutron.extensions import address_group as ag_ext
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from neutron.objects import address_group as ag_obj
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from neutron.objects import base as base_obj
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@resource_extend.has_resource_extenders
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class AddressGroupDbMixin(ag_ext.AddressGroupPluginBase):
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"""Mixin class to add address group to db_base_plugin_v2."""
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__native_bulk_support = True
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@staticmethod
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def _make_address_group_dict(address_group, fields=None):
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res = address_group.to_dict()
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res['addresses'] = [str(addr_assoc['address'])
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for addr_assoc in address_group['addresses']]
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return db_utils.resource_fields(res, fields)
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def _get_address_group(self, context, id):
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obj = ag_obj.AddressGroup.get_object(context, id=id)
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if obj is None:
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raise ag_exc.AddressGroupNotFound(address_group_id=id)
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return obj
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def _dedup_and_compare_addresses(self, ag_obj, req_addrs):
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ag_addrs = set(self._make_address_group_dict(
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ag_obj, fields=['addresses'])['addresses'])
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req_addrs = set(str(netaddr.IPNetwork(addr)) for addr in req_addrs)
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addrs_in_ag = []
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addrs_not_in_ag = []
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for req_addr in req_addrs:
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if req_addr in ag_addrs:
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addrs_in_ag.append(req_addr)
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else:
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addrs_not_in_ag.append(req_addr)
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return addrs_in_ag, addrs_not_in_ag
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def add_addresses(self, context, address_group_id, addresses):
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ag = self._get_address_group(context, address_group_id)
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addrs_in_ag, addrs_not_in_ag = self._dedup_and_compare_addresses(
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ag, addresses['addresses'])
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if addrs_in_ag:
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raise ag_exc.AddressesAlreadyExist(
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addresses=addrs_in_ag, address_group_id=address_group_id)
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for addr in addrs_not_in_ag:
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addr = netaddr.IPNetwork(addr)
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args = {'address_group_id': address_group_id,
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'address': addr}
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addr_assoc = ag_obj.AddressAssociation(context, **args)
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addr_assoc.create()
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ag.update() # reload synthetic fields
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return {'address_group': self._make_address_group_dict(ag)}
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def remove_addresses(self, context, address_group_id, addresses):
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ag = self._get_address_group(context, address_group_id)
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addrs_in_ag, addrs_not_in_ag = self._dedup_and_compare_addresses(
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ag, addresses['addresses'])
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if addrs_not_in_ag:
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raise ag_exc.AddressesNotFound(
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addresses=addrs_not_in_ag, address_group_id=address_group_id)
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for addr in addrs_in_ag:
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ag_obj.AddressAssociation.delete_objects(
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context, address_group_id=address_group_id, address=addr)
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ag.update() # reload synthetic fields
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return {'address_group': self._make_address_group_dict(ag)}
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def create_address_group(self, context, address_group):
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"""Create an address group."""
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fields = address_group['address_group']
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args = {'project_id': fields['tenant_id'],
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'id': uuidutils.generate_uuid(),
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'name': fields['name'],
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'description': fields['description']}
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ag = ag_obj.AddressGroup(context, **args)
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ag.create()
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if fields.get('addresses') is not constants.ATTR_NOT_SPECIFIED:
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self.add_addresses(context, ag.id, fields)
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ag.update() # reload synthetic fields
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return self._make_address_group_dict(ag)
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def update_address_group(self, context, id, address_group):
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fields = address_group['address_group']
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ag = self._get_address_group(context, id)
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ag.update_fields(fields)
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ag.update()
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return self._make_address_group_dict(ag)
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def get_address_group(self, context, id, fields=None):
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ag = self._get_address_group(context, id)
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return self._make_address_group_dict(ag, fields)
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def get_address_groups(self, context, filters=None, fields=None,
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sorts=None, limit=None, marker=None,
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page_reverse=False):
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pager = base_obj.Pager(sorts, limit, page_reverse, marker)
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address_groups = ag_obj.AddressGroup.get_objects(
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context, _pager=pager, **filters)
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return [
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self._make_address_group_dict(addr_group, fields)
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for addr_group in address_groups
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]
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def delete_address_group(self, context, id):
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address_group = self._get_address_group(context, id)
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address_group.delete()
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