1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
# Copyright 2015 OpenStack Foundation
# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from neutron.db import standard_attr
from neutron_lib.db import model_base
import sqlalchemy as sa
from sqlalchemy import orm
class L2GatewayConnection(standard_attr.HasStandardAttributes,
model_base.BASEV2, model_base.HasProject,
model_base.HasId):
"""Define an l2 gateway connection between a l2 gateway and a network."""
l2_gateway_id = sa.Column(sa.String(36),
sa.ForeignKey('l2gateways.id',
ondelete='CASCADE'))
network_id = sa.Column(sa.String(36),
sa.ForeignKey('networks.id', ondelete='CASCADE'),
nullable=False)
segmentation_id = sa.Column(sa.Integer)
__table_args__ = (sa.UniqueConstraint(l2_gateway_id,
network_id),)
api_collections = ["l2_gateway_connections"]
class L2GatewayInterface(model_base.BASEV2, model_base.HasId):
"""Define an l2 gateway interface."""
interface_name = sa.Column(sa.String(255))
device_id = sa.Column(sa.String(36),
sa.ForeignKey('l2gatewaydevices.id',
ondelete='CASCADE'),
nullable=False)
segmentation_id = sa.Column(sa.Integer)
revises_on_change = ('devices', )
class L2GatewayDevice(standard_attr.HasStandardAttributes,
model_base.BASEV2, model_base.HasId):
"""Define an l2 gateway device."""
device_name = sa.Column(sa.String(255), nullable=False)
interfaces = orm.relationship(
L2GatewayInterface,
backref=sa.orm.backref("devices", uselist=False,
lazy='joined', load_on_pending=True),
cascade='all,delete')
l2_gateway_id = sa.Column(sa.String(36),
sa.ForeignKey('l2gateways.id',
ondelete='CASCADE'),
nullable=False)
revises_on_change = ('gateways', )
api_collections = ["l2_gateway_devices"]
class L2Gateway(standard_attr.HasStandardAttributes,
model_base.BASEV2, model_base.HasId, model_base.HasProject):
"""Define an l2 gateway."""
name = sa.Column(sa.String(255))
devices = orm.relationship(
L2GatewayDevice,
backref=sa.orm.backref("gateways", uselist=False,
lazy='joined', load_on_pending=True),
cascade='all,delete')
network_connections = orm.relationship(L2GatewayConnection,
lazy='joined')
api_collections = ["l2_gateways"]
|
