94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011, Cisco Systems, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# @author: Rohit Agarwalla, Cisco Systems, Inc.
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import logging as LOG
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from sqlalchemy.orm import exc
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import quantum.plugins.cisco.db.api as db
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from quantum.plugins.cisco.common import cisco_exceptions as c_exc
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from quantum.plugins.cisco.db import nexus_models
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def get_all_nexusport_bindings():
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"""Lists all the nexusport bindings"""
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LOG.debug("get_all_nexusport_bindings() called")
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session = db.get_session()
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try:
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bindings = session.query(nexus_models.NexusPortBinding).\
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all()
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return bindings
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except exc.NoResultFound:
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return []
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def get_nexusport_binding(vlan_id):
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"""Lists a nexusport binding"""
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LOG.debug("get_nexusport_binding() called")
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session = db.get_session()
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try:
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binding = session.query(nexus_models.NexusPortBinding).\
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filter_by(vlan_id=vlan_id).\
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all()
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return binding
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except exc.NoResultFound:
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raise c_exc.NexusPortBindingNotFound(vlan_id=vlan_id)
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def add_nexusport_binding(port_id, vlan_id):
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"""Adds a nexusport binding"""
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LOG.debug("add_nexusport_binding() called")
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session = db.get_session()
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binding = nexus_models.NexusPortBinding(port_id, vlan_id)
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session.add(binding)
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session.flush()
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return binding
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def remove_nexusport_binding(vlan_id):
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"""Removes a nexusport binding"""
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LOG.debug("remove_nexusport_binding() called")
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session = db.get_session()
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try:
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binding = session.query(nexus_models.NexusPortBinding).\
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filter_by(vlan_id=vlan_id).\
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all()
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for bind in binding:
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session.delete(bind)
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session.flush()
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return binding
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except exc.NoResultFound:
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pass
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def update_nexusport_binding(port_id, new_vlan_id):
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"""Updates nexusport binding"""
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LOG.debug("update_nexusport_binding called")
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session = db.get_session()
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try:
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binding = session.query(nexus_models.NexusPortBinding).\
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filter_by(port_id=port_id).\
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one()
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if new_vlan_id:
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binding["vlan_id"] = new_vlan_id
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session.merge(binding)
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session.flush()
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return binding
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except exc.NoResultFound:
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raise c_exc.NexusPortBindingNotFound()
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