119 lines
4.3 KiB
Python
119 lines
4.3 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 oslo_versionedobjects import base as obj_base
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from oslo_versionedobjects import fields as obj_fields
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from sqlalchemy import func
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from neutron.common import utils
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from neutron.db.models import l3
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from neutron.db.models import l3_attrs
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from neutron.db.models import l3agent as rb_model
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from neutron.extensions import availability_zone as az_ext
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from neutron.objects import base
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from neutron.objects import common_types
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@obj_base.VersionedObjectRegistry.register
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class RouterRoute(base.NeutronDbObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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db_model = l3.RouterRoute
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fields = {
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'router_id': common_types.UUIDField(),
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'destination': common_types.IPNetworkField(),
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'nexthop': obj_fields.IPAddressField()
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}
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primary_keys = ['router_id', 'destination', 'nexthop']
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foreign_keys = {'Router': {'router_id': 'id'}}
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@classmethod
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def modify_fields_from_db(cls, db_obj):
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result = super(RouterRoute, cls).modify_fields_from_db(db_obj)
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if 'destination' in result:
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result['destination'] = utils.AuthenticIPNetwork(
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result['destination'])
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if 'nexthop' in result:
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result['nexthop'] = netaddr.IPAddress(result['nexthop'])
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return result
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@classmethod
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def modify_fields_to_db(cls, fields):
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result = super(RouterRoute, cls).modify_fields_to_db(fields)
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if 'destination' in result:
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result['destination'] = cls.filter_to_str(result['destination'])
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if 'nexthop' in result:
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result['nexthop'] = cls.filter_to_str(result['nexthop'])
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return result
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@obj_base.VersionedObjectRegistry.register
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class RouterExtraAttributes(base.NeutronDbObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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db_model = l3_attrs.RouterExtraAttributes
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fields = {
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'router_id': common_types.UUIDField(),
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'distributed': obj_fields.BooleanField(default=False),
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'service_router': obj_fields.BooleanField(default=False),
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'ha': obj_fields.BooleanField(default=False),
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'ha_vr_id': obj_fields.IntegerField(nullable=True),
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'availability_zone_hints': obj_fields.ListOfStringsField(nullable=True)
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}
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primary_keys = ['router_id']
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foreign_keys = {'Router': {'router_id': 'id'}}
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@classmethod
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def modify_fields_from_db(cls, db_obj):
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result = super(RouterExtraAttributes, cls).modify_fields_from_db(
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db_obj)
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if az_ext.AZ_HINTS in result:
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result[az_ext.AZ_HINTS] = (
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az_ext.convert_az_string_to_list(result[az_ext.AZ_HINTS]))
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return result
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@classmethod
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def modify_fields_to_db(cls, fields):
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result = super(RouterExtraAttributes, cls).modify_fields_to_db(fields)
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if az_ext.AZ_HINTS in result:
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result[az_ext.AZ_HINTS] = (
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az_ext.convert_az_list_to_string(result[az_ext.AZ_HINTS]))
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return result
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@classmethod
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def get_router_agents_count(cls, context):
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# TODO(sshank): This is pulled out from l3_agentschedulers_db.py
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# until a way to handle joins is figured out.
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binding_model = rb_model.RouterL3AgentBinding
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sub_query = (context.session.query(
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binding_model.router_id,
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func.count(binding_model.router_id).label('count')).
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join(l3_attrs.RouterExtraAttributes,
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binding_model.router_id ==
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l3_attrs.RouterExtraAttributes.router_id).
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join(l3.Router).
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group_by(binding_model.router_id).subquery())
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query = (context.session.query(l3.Router, sub_query.c.count).
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outerjoin(sub_query))
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return [(router, agent_count) for router, agent_count in query]
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