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