249 lines
9.7 KiB
Python
249 lines
9.7 KiB
Python
# Copyright (c) 2017 Cisco Systems Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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 aim.api import resource as aim_resource
|
|
from neutron.db.models import address_scope as as_db
|
|
from neutron.db import models_v2
|
|
from neutron_lib.db import model_base
|
|
import sqlalchemy as sa
|
|
from sqlalchemy import orm
|
|
|
|
|
|
class AddressScopeMapping(model_base.BASEV2):
|
|
__tablename__ = 'apic_aim_address_scope_mappings'
|
|
|
|
scope_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('address_scopes.id', ondelete='CASCADE'),
|
|
primary_key=True)
|
|
|
|
address_scope = orm.relationship(
|
|
as_db.AddressScope, lazy='joined',
|
|
backref=orm.backref(
|
|
'aim_mapping', lazy='joined', uselist=False, cascade='delete'))
|
|
|
|
vrf_name = sa.Column(sa.String(64))
|
|
vrf_tenant_name = sa.Column(sa.String(64))
|
|
vrf_owned = sa.Column(sa.Boolean, nullable=False)
|
|
|
|
|
|
class NetworkMapping(model_base.BASEV2):
|
|
__tablename__ = 'apic_aim_network_mappings'
|
|
|
|
network_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('networks.id', ondelete='CASCADE'),
|
|
primary_key=True)
|
|
|
|
network = orm.relationship(
|
|
# REVISIT: The following also had an eager loading using
|
|
# lazy='joined' which was removed since it presumably causes
|
|
# cascaded delete to be triggered twice on the NetworkSegment
|
|
# object. The issue can be reproduced with the following UT:
|
|
# gbpservice.neutron.tests.unit.plugins.ml2plus.test_apic_aim.
|
|
# TestAimMapping.test_network_lifecycle
|
|
# Removing the eager loading will cause a performance hit.
|
|
models_v2.Network,
|
|
backref=orm.backref(
|
|
'aim_mapping', lazy='joined', uselist=False, cascade='delete'))
|
|
|
|
bd_name = sa.Column(sa.String(64))
|
|
bd_tenant_name = sa.Column(sa.String(64))
|
|
|
|
epg_name = sa.Column(sa.String(64))
|
|
epg_app_profile_name = sa.Column(sa.String(64))
|
|
epg_tenant_name = sa.Column(sa.String(64))
|
|
|
|
l3out_name = sa.Column(sa.String(64))
|
|
l3out_ext_net_name = sa.Column(sa.String(64))
|
|
l3out_tenant_name = sa.Column(sa.String(64))
|
|
|
|
vrf_name = sa.Column(sa.String(64))
|
|
vrf_tenant_name = sa.Column(sa.String(64))
|
|
|
|
|
|
class DbMixin(object):
|
|
def _add_address_scope_mapping(self, session, scope_id, vrf,
|
|
vrf_owned=True, update_scope=True):
|
|
mapping = AddressScopeMapping(
|
|
scope_id=scope_id,
|
|
vrf_name=vrf.name,
|
|
vrf_tenant_name=vrf.tenant_name,
|
|
vrf_owned=vrf_owned)
|
|
session.add(mapping)
|
|
if update_scope:
|
|
# The AddressScope instance should already be in the
|
|
# session cache, so this should not add another DB
|
|
# roundtrip. It needs to be updated in case something
|
|
# within the same transaction tries to access its
|
|
# aim_mapping relationship after retrieving the
|
|
# AddressScope record from the session cache.
|
|
scope = (session.query(as_db.AddressScope).
|
|
filter_by(id=scope_id).
|
|
one_or_none())
|
|
scope.aim_mapping = mapping
|
|
return mapping
|
|
|
|
def _get_address_scope_mapping(self, session, scope_id):
|
|
return (session.query(AddressScopeMapping).
|
|
filter_by(scope_id=scope_id).
|
|
one_or_none())
|
|
|
|
def _get_address_scope_mappings_for_vrf(self, session, vrf):
|
|
return (session.query(AddressScopeMapping).
|
|
filter_by(vrf_tenant_name=vrf.tenant_name,
|
|
vrf_name=vrf.name).
|
|
all())
|
|
|
|
def _get_address_scopes_owning_vrf(self, session, vrf):
|
|
return (session.query(as_db.AddressScope).
|
|
join(AddressScopeMapping,
|
|
AddressScopeMapping.scope_id == as_db.AddressScope.id).
|
|
filter(AddressScopeMapping.vrf_tenant_name ==
|
|
vrf.tenant_name,
|
|
AddressScopeMapping.vrf_name == vrf.name,
|
|
AddressScopeMapping.vrf_owned).
|
|
order_by(as_db.AddressScope.ip_version).
|
|
all())
|
|
|
|
def _get_address_scope_vrf(self, mapping):
|
|
return aim_resource.VRF(
|
|
tenant_name=mapping.vrf_tenant_name,
|
|
name=mapping.vrf_name)
|
|
|
|
def _add_network_mapping(self, session, network_id, bd, epg, vrf,
|
|
ext_net=None, update_network=True):
|
|
if not ext_net:
|
|
mapping = NetworkMapping(
|
|
network_id=network_id,
|
|
bd_name=bd.name,
|
|
bd_tenant_name=bd.tenant_name,
|
|
epg_name=epg.name,
|
|
epg_app_profile_name=epg.app_profile_name,
|
|
epg_tenant_name=epg.tenant_name,
|
|
vrf_name=vrf.name,
|
|
vrf_tenant_name=vrf.tenant_name)
|
|
else:
|
|
mapping = NetworkMapping(
|
|
network_id=network_id,
|
|
l3out_name=ext_net.l3out_name,
|
|
l3out_ext_net_name=ext_net.name,
|
|
l3out_tenant_name=ext_net.tenant_name,
|
|
vrf_name=vrf.name,
|
|
vrf_tenant_name=vrf.tenant_name)
|
|
session.add(mapping)
|
|
if update_network:
|
|
# The Network instance should already be in the session
|
|
# cache, so this should not add another DB roundtrip. It
|
|
# needs to be updated in case something within the same
|
|
# transaction tries to access its aim_mapping relationship
|
|
# after retrieving the Network record from the session
|
|
# cache.
|
|
net = (session.query(models_v2.Network).
|
|
filter_by(id=network_id).
|
|
one_or_none())
|
|
net.aim_mapping = mapping
|
|
return mapping
|
|
|
|
def _get_network_mapping(self, session, network_id):
|
|
return (session.query(NetworkMapping).
|
|
filter_by(network_id=network_id).
|
|
one_or_none())
|
|
|
|
def _get_network_mapping_bulk(self, session, network_ids):
|
|
return session.query(NetworkMapping).filter(
|
|
NetworkMapping.network_id.in_(network_ids)).all()
|
|
|
|
def _get_network_mappings_for_vrf(self, session, vrf):
|
|
return (session.query(NetworkMapping).
|
|
filter_by(vrf_tenant_name=vrf.tenant_name,
|
|
vrf_name=vrf.name).
|
|
all())
|
|
|
|
def _get_network_mappings_for_bd(self, session, bd):
|
|
return (session.query(NetworkMapping).
|
|
filter_by(bd_tenant_name=bd.tenant_name,
|
|
bd_name=bd.name).
|
|
all())
|
|
|
|
def _is_vrf_used_by_networks(self, session, vrf):
|
|
return (session.query(NetworkMapping.network_id).
|
|
filter_by(vrf_tenant_name=vrf.tenant_name,
|
|
vrf_name=vrf.name).
|
|
first() is not None)
|
|
|
|
def _get_network_bd(self, mapping):
|
|
return aim_resource.BridgeDomain(
|
|
tenant_name=mapping.bd_tenant_name,
|
|
name=mapping.bd_name)
|
|
|
|
def _get_network_epg(self, mapping):
|
|
return aim_resource.EndpointGroup(
|
|
tenant_name=mapping.epg_tenant_name,
|
|
app_profile_name=mapping.epg_app_profile_name,
|
|
name=mapping.epg_name)
|
|
|
|
def _get_network_l3out(self, mapping):
|
|
if not mapping:
|
|
# REVISIT: Is this still needed now that
|
|
# _add_network_mapping updates the Network instance's
|
|
# aim_mapping? If so, the test should probably be moved to
|
|
# the caller to make all these
|
|
# _get_<neutron-resource>_<aim-resource> methods more
|
|
# consistent.
|
|
return None
|
|
return aim_resource.L3Outside(
|
|
tenant_name=mapping.l3out_tenant_name,
|
|
name=mapping.l3out_name)
|
|
|
|
def _get_network_l3out_ext_net(self, mapping):
|
|
return aim_resource.ExternalNetwork(
|
|
tenant_name=mapping.l3out_tenant_name,
|
|
l3out_name=mapping.l3out_name, name=mapping.l3out_ext_net_name)
|
|
|
|
def _get_network_l3out_default_ext_subnetv4(self, mapping):
|
|
return aim_resource.ExternalSubnet(
|
|
tenant_name=mapping.l3out_tenant_name,
|
|
l3out_name=mapping.l3out_name,
|
|
external_network_name=mapping.l3out_ext_net_name,
|
|
cidr="0.0.0.0/0")
|
|
|
|
def _get_network_l3out_default_ext_subnetv6(self, mapping):
|
|
return aim_resource.ExternalSubnet(
|
|
tenant_name=mapping.l3out_tenant_name,
|
|
l3out_name=mapping.l3out_name,
|
|
external_network_name=mapping.l3out_ext_net_name,
|
|
cidr="::/0")
|
|
|
|
def _get_network_vrf(self, mapping):
|
|
return aim_resource.VRF(
|
|
tenant_name=mapping.vrf_tenant_name,
|
|
name=mapping.vrf_name)
|
|
|
|
def _set_network_bd(self, mapping, bd):
|
|
mapping.bd_tenant_name = bd.tenant_name
|
|
mapping.bd_name = bd.name
|
|
|
|
def _set_network_epg(self, mapping, epg):
|
|
mapping.epg_tenant_name = epg.tenant_name
|
|
mapping.epg_app_profile_name = epg.app_profile_name
|
|
mapping.epg_name = epg.name
|
|
|
|
def _set_network_l3out(self, mapping, l3out):
|
|
mapping.l3out_tenant_name = l3out.tenant_name
|
|
mapping.l3out_name = l3out.name
|
|
|
|
def _set_network_vrf(self, mapping, vrf):
|
|
mapping.vrf_tenant_name = vrf.tenant_name
|
|
mapping.vrf_name = vrf.name
|