88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
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#
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# 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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#
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from neutron_lib.db import model_base
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import sqlalchemy as sa
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from sqlalchemy import orm
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from neutron.common import constants as n_const
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from neutron.db.models import agent as agent_model
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from neutron.db import models_v2
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class L3HARouterAgentPortBinding(model_base.BASEV2):
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"""Represent agent binding state of a HA router port.
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A HA Router has one HA port per agent on which it is spawned.
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This binding table stores which port is used for a HA router by a
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L3 agent.
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"""
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__tablename__ = 'ha_router_agent_port_bindings'
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__table_args__ = (
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sa.UniqueConstraint(
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'router_id', 'l3_agent_id',
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name='uniq_ha_router_agent_port_bindings0port_id0l3_agent_id'),
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model_base.BASEV2.__table_args__
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)
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port_id = sa.Column(sa.String(36), sa.ForeignKey('ports.id',
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ondelete='CASCADE'),
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nullable=False, primary_key=True)
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port = orm.relationship(models_v2.Port)
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router_id = sa.Column(sa.String(36), sa.ForeignKey('routers.id',
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ondelete='CASCADE'),
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nullable=False)
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l3_agent_id = sa.Column(sa.String(36),
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sa.ForeignKey("agents.id",
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ondelete='CASCADE'))
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agent = orm.relationship(agent_model.Agent)
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state = sa.Column(sa.Enum(n_const.HA_ROUTER_STATE_ACTIVE,
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n_const.HA_ROUTER_STATE_STANDBY,
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name='l3_ha_states'),
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default=n_const.HA_ROUTER_STATE_STANDBY,
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server_default=n_const.HA_ROUTER_STATE_STANDBY)
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class L3HARouterNetwork(model_base.BASEV2, model_base.HasProjectPrimaryKey):
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"""Host HA network for a tenant.
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One HA Network is used per tenant, all HA router ports are created
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on this network.
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"""
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__tablename__ = 'ha_router_networks'
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network_id = sa.Column(sa.String(36),
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sa.ForeignKey('networks.id', ondelete="CASCADE"),
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nullable=False, primary_key=True)
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network = orm.relationship(models_v2.Network)
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class L3HARouterVRIdAllocation(model_base.BASEV2):
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"""VRID allocation per HA network.
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Keep a track of the VRID allocations per HA network.
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"""
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__tablename__ = 'ha_router_vrid_allocations'
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network_id = sa.Column(sa.String(36),
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sa.ForeignKey('networks.id', ondelete="CASCADE"),
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nullable=False, primary_key=True)
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vr_id = sa.Column(sa.Integer(), nullable=False, primary_key=True)
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