vmware-nsx/quantum/plugins/nec/db/nec_plugin_base.py
Eugene Nikanorov 3d0e0c554f Remove unnecessary checks for MultipleResultsFound
fixes bug 1185080

MultipleResultsFound exception is never thrown because model
queries are filtered by their primary key.

Change-Id: Id4a4ff84e134d3f1d177509193c4a14f830dfcc9
2013-05-29 13:20:21 +04:00

120 lines
4.9 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 NEC Corporation. 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.
# @author: Ryota MIBU
from sqlalchemy.orm import exc
from quantum.api.v2 import attributes
from quantum.db import db_base_plugin_v2
from quantum.openstack.common import log as logging
from quantum.openstack.common import uuidutils
from quantum.plugins.nec.common import exceptions as q_exc
from quantum.plugins.nec.db import models as nmodels
LOG = logging.getLogger(__name__)
class NECPluginV2Base(db_base_plugin_v2.QuantumDbPluginV2):
"""Base class of plugins that handle packet filters."""
def _make_packet_filter_dict(self, packet_filter, fields=None):
res = {'id': packet_filter['id'],
'tenant_id': packet_filter['tenant_id'],
'network_id': packet_filter['network_id'],
'action': packet_filter['action'],
'priority': packet_filter['priority'],
'in_port': packet_filter['in_port'],
'src_mac': packet_filter['src_mac'],
'dst_mac': packet_filter['dst_mac'],
'eth_type': packet_filter['eth_type'],
'src_cidr': packet_filter['src_cidr'],
'dst_cidr': packet_filter['dst_cidr'],
'protocol': packet_filter['protocol'],
'src_port': packet_filter['src_port'],
'dst_port': packet_filter['dst_port'],
'admin_state_up': packet_filter['admin_state_up'],
'status': packet_filter['status']}
return self._fields(res, fields)
def _get_packet_filter(self, context, id):
try:
packet_filter = self._get_by_id(context, nmodels.PacketFilter, id)
except exc.NoResultFound:
raise q_exc.PacketFilterNotFound(id=id)
return packet_filter
def get_packet_filter(self, context, id, fields=None):
packet_filter = self._get_packet_filter(context, id)
return self._make_packet_filter_dict(packet_filter, fields)
def get_packet_filters(self, context, filters=None, fields=None):
return self._get_collection(context,
nmodels.PacketFilter,
self._make_packet_filter_dict,
filters=filters,
fields=fields)
def create_packet_filter(self, context, packet_filter):
pf = packet_filter['packet_filter']
tenant_id = self._get_tenant_id_for_create(context, pf)
# validate network ownership
super(NECPluginV2Base, self).get_network(context, pf['network_id'])
if pf.get('in_port') is not attributes.ATTR_NOT_SPECIFIED:
# validate port ownership
super(NECPluginV2Base, self).get_port(context, pf['in_port'])
params = {'tenant_id': tenant_id,
'id': pf.get('id') or uuidutils.generate_uuid(),
'network_id': pf['network_id'],
'priority': pf['priority'],
'action': pf['action'],
'admin_state_up': pf.get('admin_state_up', True),
'status': "ACTIVE"}
conditions = {'in_port': '',
'src_mac': '',
'dst_mac': '',
'eth_type': 0,
'src_cidr': '',
'dst_cidr': '',
'src_port': 0,
'dst_port': 0,
'protocol': ''}
for key, default in conditions.items():
if pf.get(key) is attributes.ATTR_NOT_SPECIFIED:
params.update({key: default})
else:
params.update({key: pf.get(key)})
with context.session.begin(subtransactions=True):
pf_entry = nmodels.PacketFilter(**params)
context.session.add(pf_entry)
return self._make_packet_filter_dict(pf_entry)
def update_packet_filter(self, context, id, packet_filter):
pf = packet_filter['packet_filter']
with context.session.begin(subtransactions=True):
pf_entry = self._get_packet_filter(context, id)
pf_entry.update(pf)
return self._make_packet_filter_dict(pf_entry)
def delete_packet_filter(self, context, id):
with context.session.begin(subtransactions=True):
packet_filter = self._get_packet_filter(context, id)
context.session.delete(packet_filter)