neutron-lbaas/quantum/plugins/cisco/db/nexus_db.py
Brad Hall 6a08320031 Second round of packaging changes
This change condenses the directory structure to something more similar to
what we had before while producing similar packages.

It also introduces version.py which allows us to get the version from git tags
(or a fallback version if not available).

Fixes lp bug 889336
Fixes lp bug 888795

Change-Id: I86136bd9dbabb5eb1f8366ed665ed9b54f695124
2011-11-28 10:33:52 -08:00

94 lines
2.8 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: Rohit Agarwalla, 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 nexus_models
def get_all_nexusport_bindings():
"""Lists all the nexusport bindings"""
LOG.debug("get_all_nexusport_bindings() called")
session = db.get_session()
try:
bindings = session.query(nexus_models.NexusPortBinding).\
all()
return bindings
except exc.NoResultFound:
return []
def get_nexusport_binding(vlan_id):
"""Lists a nexusport binding"""
LOG.debug("get_nexusport_binding() called")
session = db.get_session()
try:
binding = session.query(nexus_models.NexusPortBinding).\
filter_by(vlan_id=vlan_id).\
all()
return binding
except exc.NoResultFound:
raise c_exc.NexusPortBindingNotFound(vlan_id=vlan_id)
def add_nexusport_binding(port_id, vlan_id):
"""Adds a nexusport binding"""
LOG.debug("add_nexusport_binding() called")
session = db.get_session()
binding = nexus_models.NexusPortBinding(port_id, vlan_id)
session.add(binding)
session.flush()
return binding
def remove_nexusport_binding(vlan_id):
"""Removes a nexusport binding"""
LOG.debug("remove_nexusport_binding() called")
session = db.get_session()
try:
binding = session.query(nexus_models.NexusPortBinding).\
filter_by(vlan_id=vlan_id).\
all()
for bind in binding:
session.delete(bind)
session.flush()
return binding
except exc.NoResultFound:
pass
def update_nexusport_binding(port_id, new_vlan_id):
"""Updates nexusport binding"""
LOG.debug("update_nexusport_binding called")
session = db.get_session()
try:
binding = session.query(nexus_models.NexusPortBinding).\
filter_by(port_id=port_id).\
one()
if new_vlan_id:
binding["vlan_id"] = new_vlan_id
session.merge(binding)
session.flush()
return binding
except exc.NoResultFound:
raise c_exc.NexusPortBindingNotFound()