118 lines
4.2 KiB
Python
118 lines
4.2 KiB
Python
# Copyright (c) 2015 OpenStack Foundation.
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# 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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import netaddr
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from oslo_versionedobjects import fields as obj_fields
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from neutron.db import models_v2 as models
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from neutron.objects import base
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from neutron.objects import common_types
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@base.NeutronObjectRegistry.register
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class SubnetPool(base.NeutronDbObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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db_model = models.SubnetPool
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fields = {
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'id': common_types.UUIDField(),
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'project_id': obj_fields.StringField(nullable=True),
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'name': obj_fields.StringField(nullable=True),
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'ip_version': common_types.IPVersionEnumField(),
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'default_prefixlen': common_types.IPNetworkPrefixLenField(),
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'min_prefixlen': common_types.IPNetworkPrefixLenField(),
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'max_prefixlen': common_types.IPNetworkPrefixLenField(),
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'shared': obj_fields.BooleanField(),
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'is_default': obj_fields.BooleanField(),
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'default_quota': obj_fields.IntegerField(nullable=True),
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'hash': obj_fields.StringField(nullable=True),
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'address_scope_id': common_types.UUIDField(nullable=True),
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'prefixes': common_types.ListOfIPNetworksField(nullable=True)
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}
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fields_no_update = ['id', 'project_id']
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synthetic_fields = ['prefixes']
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def from_db_object(self, db_obj):
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super(SubnetPool, self).from_db_object(db_obj)
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self.prefixes = []
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self.prefixes = [
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prefix.cidr
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for prefix in db_obj.get('prefixes', [])
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]
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self.obj_reset_changes(['prefixes'])
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def _attach_prefixes(self, prefixes):
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SubnetPoolPrefix.delete_objects(self.obj_context,
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subnetpool_id=self.id)
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for prefix in prefixes:
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SubnetPoolPrefix(self.obj_context, subnetpool_id=self.id,
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cidr=prefix).create()
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self.prefixes = prefixes
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self.obj_reset_changes(['prefixes'])
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# TODO(ihrachys): Consider extending base to trigger registered methods
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def create(self):
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fields = self.obj_get_changes()
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with self.db_context_writer(self.obj_context):
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prefixes = self.prefixes
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super(SubnetPool, self).create()
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if 'prefixes' in fields:
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self._attach_prefixes(prefixes)
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# TODO(ihrachys): Consider extending base to trigger registered methods
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def update(self):
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fields = self.obj_get_changes()
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with self.db_context_writer(self.obj_context):
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super(SubnetPool, self).update()
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if 'prefixes' in fields:
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self._attach_prefixes(fields['prefixes'])
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@base.NeutronObjectRegistry.register
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class SubnetPoolPrefix(base.NeutronDbObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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db_model = models.SubnetPoolPrefix
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fields = {
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'subnetpool_id': common_types.UUIDField(),
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'cidr': common_types.IPNetworkField(),
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}
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primary_keys = ['subnetpool_id', 'cidr']
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# TODO(ihrachys): get rid of it once we switch the db model to using CIDR
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# custom type
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@classmethod
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def modify_fields_to_db(cls, fields):
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result = super(SubnetPoolPrefix, cls).modify_fields_to_db(fields)
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if 'cidr' in result:
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result['cidr'] = cls.filter_to_str(result['cidr'])
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return result
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# TODO(ihrachys): get rid of it once we switch the db model to using CIDR
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# custom type
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@classmethod
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def modify_fields_from_db(cls, db_obj):
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fields = super(SubnetPoolPrefix, cls).modify_fields_from_db(db_obj)
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if 'cidr' in fields:
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fields['cidr'] = netaddr.IPNetwork(fields['cidr'])
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return fields
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