vmware-nsx/quantum/plugins/cisco/db/services_db.py

79 lines
2.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011, Cisco Systems, Inc.
#
# 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.
#
# @author: Edgar Magana, Cisco Systems, Inc.
import logging as LOG
from sqlalchemy.orm import exc
import quantum.plugins.cisco.db.api as db
from quantum.plugins.cisco.common import cisco_exceptions as c_exc
from quantum.plugins.cisco.db import services_models
def get_all_services_bindings():
"""Lists all the services bindings"""
LOG.debug("get_all_services_bindings() called")
session = db.get_session()
try:
bindings = session.query(services_models.ServicesBinding).\
all()
return bindings
except exc.NoResultFound:
return []
def get_service_bindings(service_id):
"""Lists services bindings for a service_id"""
LOG.debug("get_service_bindings() called")
session = db.get_session()
try:
bindings = session.query(services_models.ServicesBinding).\
filter_by(service_id=service_id).\
one()
return bindings
except exc.NoResultFound:
return []
def add_services_binding(service_id, mngnet_id, nbnet_id, sbnet_id):
"""Adds a services binding"""
LOG.debug("add_services_binding() called")
session = db.get_session()
binding = services_models.ServicesBinding(service_id, mngnet_id,
nbnet_id, sbnet_id)
session.add(binding)
session.flush()
return binding
def remove_services_binding(service_id):
"""Removes a services binding"""
LOG.debug("remove_services_binding() called")
session = db.get_session()
try:
binding = session.query(services_models.ServicesBinding).\
filter_by(service_id=service_id).\
all()
for bind in binding:
session.delete(bind)
session.flush()
return binding
except exc.NoResultFound:
pass