vmware-nsx/quantum/plugins/nicira/nicira_nvp_plugin/nicira_db.py
Salvatore Orlando 14a3d99bb8 Enable multiple L3 GW services on NVP plugin
Bug 1130211

This patch allows for using multiple layer-3 gateways leveraging the
provider networks extension.

Change-Id: I293920c2565f4670e9be9b22dc1b60431b62f7e7
2013-02-27 03:06:21 +01:00

98 lines
3.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Nicira, 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 sqlalchemy.orm import exc
import quantum.db.api as db
from quantum.openstack.common import log as logging
from quantum.plugins.nicira.nicira_nvp_plugin import nicira_models
from quantum.plugins.nicira.nicira_nvp_plugin import nicira_networkgw_db
LOG = logging.getLogger(__name__)
def get_network_binding(session, network_id):
session = session or db.get_session()
try:
binding = (session.query(nicira_models.NvpNetworkBinding).
filter_by(network_id=network_id).
one())
return binding
except exc.NoResultFound:
return
def get_network_binding_by_vlanid(session, vlan_id):
session = session or db.get_session()
try:
binding = (session.query(nicira_models.NvpNetworkBinding).
filter_by(vlan_id=vlan_id).
one())
return binding
except exc.NoResultFound:
return
def get_network_binding_by_vlanid_and_phynet(session, vlan_id,
physical_network):
session = session or db.get_session()
try:
binding = (session.query(nicira_models.NvpNetworkBinding).
filter_by(vlan_id=vlan_id, phy_uuid=physical_network).
one())
return binding
except exc.NoResultFound:
return
def add_network_binding(session, network_id, binding_type, phy_uuid, vlan_id):
with session.begin(subtransactions=True):
binding = nicira_models.NvpNetworkBinding(network_id, binding_type,
phy_uuid, vlan_id)
session.add(binding)
return binding
def add_quantum_nvp_port_mapping(session, quantum_id, nvp_id):
with session.begin(subtransactions=True):
mapping = nicira_models.QuantumNvpPortMapping(quantum_id, nvp_id)
session.add(mapping)
return mapping
def get_nvp_port_id(session, quantum_id):
try:
mapping = (session.query(nicira_models.QuantumNvpPortMapping).
filter_by(quantum_id=quantum_id).
one())
return mapping['nvp_id']
except exc.NoResultFound:
return
def unset_default_network_gateways(session):
with session.begin(subtransactions=True):
session.query(nicira_networkgw_db.NetworkGateway).update(
{nicira_networkgw_db.NetworkGateway.default: False})
def set_default_network_gateway(session, gw_id):
with session.begin(subtransactions=True):
gw = (session.query(nicira_networkgw_db.NetworkGateway).
filter_by(id=gw_id).one())
gw['default'] = True