145 lines
5.1 KiB
Python
145 lines
5.1 KiB
Python
# Copyright (c) 2013 OpenStack Foundation
|
|
# 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.
|
|
#
|
|
|
|
import sqlalchemy.orm.exc as sa_exc
|
|
|
|
import neutron.db.api as db
|
|
from neutron.i18n import _LW
|
|
from neutron.openstack.common import log as logging
|
|
from neutron.plugins.ml2.drivers.cisco.nexus import exceptions as c_exc
|
|
from neutron.plugins.ml2.drivers.cisco.nexus import nexus_models_v2
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def get_nexusport_binding(port_id, vlan_id, switch_ip, instance_id):
|
|
"""Lists a nexusport binding."""
|
|
LOG.debug("get_nexusport_binding() called")
|
|
return _lookup_all_nexus_bindings(port_id=port_id,
|
|
vlan_id=vlan_id,
|
|
switch_ip=switch_ip,
|
|
instance_id=instance_id)
|
|
|
|
|
|
def get_nexusvlan_binding(vlan_id, switch_ip):
|
|
"""Lists a vlan and switch binding."""
|
|
LOG.debug("get_nexusvlan_binding() called")
|
|
return _lookup_all_nexus_bindings(vlan_id=vlan_id, switch_ip=switch_ip)
|
|
|
|
|
|
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=port_id,
|
|
vlan_id=vlan_id,
|
|
switch_ip=switch_ip,
|
|
instance_id=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()
|
|
binding = _lookup_all_nexus_bindings(session=session,
|
|
vlan_id=vlan_id,
|
|
switch_ip=switch_ip,
|
|
port_id=port_id,
|
|
instance_id=instance_id)
|
|
for bind in binding:
|
|
session.delete(bind)
|
|
session.flush()
|
|
return binding
|
|
|
|
|
|
def update_nexusport_binding(port_id, new_vlan_id):
|
|
"""Updates nexusport binding."""
|
|
if not new_vlan_id:
|
|
LOG.warning(_LW("update_nexusport_binding called with no vlan"))
|
|
return
|
|
LOG.debug("update_nexusport_binding called")
|
|
session = db.get_session()
|
|
binding = _lookup_one_nexus_binding(session=session, port_id=port_id)
|
|
binding.vlan_id = new_vlan_id
|
|
session.merge(binding)
|
|
session.flush()
|
|
return binding
|
|
|
|
|
|
def get_nexusvm_bindings(vlan_id, instance_id):
|
|
"""Lists nexusvm bindings."""
|
|
LOG.debug("get_nexusvm_bindings() called")
|
|
return _lookup_all_nexus_bindings(instance_id=instance_id,
|
|
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")
|
|
return _lookup_all_nexus_bindings(port_id=port_id,
|
|
switch_ip=switch_ip,
|
|
vlan_id=vlan_id)
|
|
|
|
|
|
def get_port_switch_bindings(port_id, switch_ip):
|
|
"""List all vm/vlan bindings on a Nexus switch port."""
|
|
LOG.debug("get_port_switch_bindings() called, "
|
|
"port:'%(port_id)s', switch:'%(switch_ip)s'",
|
|
{'port_id': port_id, 'switch_ip': switch_ip})
|
|
try:
|
|
return _lookup_all_nexus_bindings(port_id=port_id,
|
|
switch_ip=switch_ip)
|
|
except c_exc.NexusPortBindingNotFound:
|
|
pass
|
|
|
|
|
|
def _lookup_nexus_bindings(query_type, session=None, **bfilter):
|
|
"""Look up 'query_type' Nexus bindings matching the filter.
|
|
|
|
:param query_type: 'all', 'one' or 'first'
|
|
:param session: db session
|
|
:param bfilter: filter for bindings query
|
|
:return: bindings if query gave a result, else
|
|
raise NexusPortBindingNotFound.
|
|
"""
|
|
if session is None:
|
|
session = db.get_session()
|
|
query_method = getattr(session.query(
|
|
nexus_models_v2.NexusPortBinding).filter_by(**bfilter), query_type)
|
|
try:
|
|
bindings = query_method()
|
|
if bindings:
|
|
return bindings
|
|
except sa_exc.NoResultFound:
|
|
pass
|
|
raise c_exc.NexusPortBindingNotFound(**bfilter)
|
|
|
|
|
|
def _lookup_all_nexus_bindings(session=None, **bfilter):
|
|
return _lookup_nexus_bindings('all', session, **bfilter)
|
|
|
|
|
|
def _lookup_one_nexus_binding(session=None, **bfilter):
|
|
return _lookup_nexus_bindings('one', session, **bfilter)
|
|
|
|
|
|
def _lookup_first_nexus_binding(session=None, **bfilter):
|
|
return _lookup_nexus_bindings('first', session, **bfilter)
|