OpenStack Networking (Neutron)
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# Copyright (c) 2016 Intel Corporation.
#
# 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.
from neutron_lib.objects import common_types
from oslo_versionedobjects import fields as obj_fields
from neutron.db.models.plugins.ml2 import vlanallocation as vlan_alloc_model
from neutron.objects import base
@base.NeutronObjectRegistry.register
class VlanAllocation(base.NeutronDbObject):
# Version 1.0: Initial version
VERSION = '1.0'
db_model = vlan_alloc_model.VlanAllocation
fields = {
'physical_network': obj_fields.StringField(),
'vlan_id': common_types.VlanIdRangeField(),
'allocated': obj_fields.BooleanField(),
}
primary_keys = ['physical_network', 'vlan_id']
@staticmethod
def get_physical_networks(context):
query = context.session.query(VlanAllocation.db_model.physical_network)
query = query.group_by(VlanAllocation.db_model.physical_network)
physnets = query.all()
return {physnet.physical_network for physnet in physnets}
@staticmethod
def delete_physical_networks(context, physical_networks):
column = VlanAllocation.db_model.physical_network
context.session.query(VlanAllocation.db_model).filter(
column.in_(physical_networks)).delete(synchronize_session=False)
@staticmethod
def bulk_create(ctx, physical_network, vlan_ids):
ctx.session.bulk_insert_mappings(
vlan_alloc_model.VlanAllocation,
[{'physical_network': physical_network,
'allocated': False,
'vlan_id': vlan_id} for vlan_id in vlan_ids])