vmware-nsx/quantum/plugins/cisco/db/nexus_db_v2.py
Arvind Somya ee589db437 Cisco plugin cleanup
Removing unused plugins and code from the Cisco plugin framework.

Change-Id: Ib22d173a088ad50b410a51a1d92685259d0af473
Implements: blueprint cisco-plugin-cleanup
2013-01-24 12:58:37 -05:00

144 lines
4.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012, 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.
# @author: Arvind Somya, Cisco Systems, Inc. (asomya@cisco.com)
#
from sqlalchemy.orm import exc
import quantum.db.api as db
from quantum.openstack.common import log as logging
from quantum.plugins.cisco.common import cisco_exceptions as c_exc
from quantum.plugins.cisco.db import nexus_models_v2
LOG = logging.getLogger(__name__)
def initialize():
"""Establish database connection and load models"""
db.configure_db()
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_v2.NexusPortBinding).all()
return bindings
except exc.NoResultFound:
return []
def get_nexusport_binding(port_id, vlan_id, switch_ip, instance_id):
"""Lists a nexusport binding"""
LOG.debug(_("get_nexusport_binding() called"))
session = db.get_session()
try:
binding = (session.query(nexus_models_v2.NexusPortBinding).
filter_by(vlan_id=vlan_id).filter_by(switch_ip=switch_ip).
filter_by(port_id=port_id).
filter_by(instance_id=instance_id).all())
return binding
except exc.NoResultFound:
raise c_exc.NexusPortBindingNotFound(vlan_id=vlan_id)
def get_nexusvlan_binding(vlan_id, switch_ip):
"""Lists a vlan and switch binding"""
LOG.debug(_("get_nexusvlan_binding() called"))
session = db.get_session()
try:
binding = (session.query(nexus_models_v2.NexusPortBinding).
filter_by(vlan_id=vlan_id).filter_by(switch_ip=switch_ip).
all())
return binding
except exc.NoResultFound:
raise c_exc.NexusPortBindingNotFound(vlan_id=vlan_id)
def add_nexusport_binding(port_id, vlan_id, switch_ip, instance_id):
"""Adds a nexusport binding"""
LOG.debug(_("add_nexusport_binding() called"))
session = db.get_session()
binding = nexus_models_v2.NexusPortBinding(
port_id, vlan_id, switch_ip, instance_id)
session.add(binding)
session.flush()
return binding
def remove_nexusport_binding(port_id, vlan_id, switch_ip, instance_id):
"""Removes a nexusport binding"""
LOG.debug(_("remove_nexusport_binding() called"))
session = db.get_session()
try:
binding = (session.query(nexus_models_v2.NexusPortBinding).
filter_by(vlan_id=vlan_id).filter_by(switch_ip=switch_ip).
filter_by(port_id=port_id).
filter_by(instance_id=instance_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_v2.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()
def get_nexusvm_binding(vlan_id, instance_id):
"""Lists nexusvm bindings"""
LOG.debug(_("get_nexusvm_binding() called"))
session = db.get_session()
try:
binding = (session.query(nexus_models_v2.NexusPortBinding).
filter_by(instance_id=instance_id).
filter_by(vlan_id=vlan_id).first())
return binding
except exc.NoResultFound:
raise c_exc.NexusPortBindingNotFound(vlan_id=vlan_id)
def get_port_vlan_switch_binding(port_id, vlan_id, switch_ip):
"""Lists nexusvm bindings"""
LOG.debug(_("get_port_vlan_switch_binding() called"))
session = db.get_session()
try:
binding = (session.query(nexus_models_v2.NexusPortBinding).
filter_by(port_id=port_id).filter_by(switch_ip=switch_ip).
filter_by(vlan_id=vlan_id).all())
return binding
except exc.NoResultFound:
raise c_exc.NexusPortBindingNotFound(vlan_id=vlan_id)