67 lines
2.6 KiB
Python
67 lines
2.6 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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from oslo_versionedobjects import fields as obj_fields
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import sqlalchemy as sa
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from sqlalchemy.orm import joinedload
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from sqlalchemy import sql
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from neutron.db.models import agent as agent_model
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from neutron.db.models import l3_attrs
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from neutron.db.models import l3agent
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from neutron.objects import base
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from neutron.objects import common_types
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@base.NeutronObjectRegistry.register
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class RouterL3AgentBinding(base.NeutronDbObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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db_model = l3agent.RouterL3AgentBinding
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primary_keys = ['router_id', 'l3_agent_id']
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fields = {
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'router_id': common_types.UUIDField(),
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'l3_agent_id': common_types.UUIDField(),
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'binding_index': obj_fields.IntegerField(
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default=l3agent.LOWEST_BINDING_INDEX),
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}
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# TODO(ihrachys) return OVO objects not models
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# TODO(ihrachys) move under Agent object class
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@classmethod
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def get_l3_agents_by_router_ids(cls, context, router_ids):
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query = context.session.query(l3agent.RouterL3AgentBinding)
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query = query.options(joinedload('l3_agent')).filter(
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l3agent.RouterL3AgentBinding.router_id.in_(router_ids))
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return [db_obj.l3_agent for db_obj in query.all()]
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@classmethod
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def get_down_router_bindings(cls, context, cutoff):
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query = (context.session.query(
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l3agent.RouterL3AgentBinding).
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join(agent_model.Agent).
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filter(agent_model.Agent.heartbeat_timestamp < cutoff,
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agent_model.Agent.admin_state_up).outerjoin(
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l3_attrs.RouterExtraAttributes,
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l3_attrs.RouterExtraAttributes.router_id ==
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l3agent.RouterL3AgentBinding.router_id).filter(
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sa.or_(
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l3_attrs.RouterExtraAttributes.ha == sql.false(),
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l3_attrs.RouterExtraAttributes.ha == sql.null())))
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bindings = [cls._load_object(context, db_obj) for db_obj in
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query.all()]
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return bindings
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