Add standard_attrs to address group
Need the revision_number attribute to support address group update in rpc resource_cache. Change-Id: I6355c9394c23f7d94496e9c06e061d6d3fd4128d Implements: blueprint address-groups-in-sg-rules
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Hang Yang
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a964d94b4677
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26d1e9f5c766
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# Copyright 2020 OpenStack Foundation
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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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#
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from alembic import op
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import sqlalchemy as sa
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"""Add standard attributes to address group
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Revision ID: 26d1e9f5c766
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Revises: a964d94b4677
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Create Date: 2020-12-02 17:38:45.331048
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"""
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# revision identifiers, used by Alembic.
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revision = '26d1e9f5c766'
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down_revision = 'a964d94b4677'
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TABLE = 'address_groups'
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TABLE_MODEL = sa.Table(TABLE, sa.MetaData(),
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sa.Column('id', sa.String(length=36), nullable=False),
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sa.Column('description', sa.String(length=255),
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nullable=True),
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sa.Column('standard_attr_id', sa.BigInteger(),
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nullable=True))
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standardattrs = sa.Table(
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'standardattributes', sa.MetaData(),
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sa.Column('id', sa.BigInteger(), primary_key=True, autoincrement=True),
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sa.Column('resource_type', sa.String(length=255), nullable=False),
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sa.Column('description', sa.String(length=255), nullable=True))
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def generate_records_for_existing():
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session = sa.orm.Session(bind=op.get_bind())
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with session.begin(subtransactions=True):
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for row in session.query(TABLE_MODEL):
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res = session.execute(
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standardattrs.insert().values(resource_type=TABLE,
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description=row[1])
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)
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session.execute(
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TABLE_MODEL.update().values(
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standard_attr_id=res.inserted_primary_key[0]).where(
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TABLE_MODEL.c.id == row[0])
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)
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# this commit is necessary to allow further operations
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session.commit()
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def upgrade():
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op.add_column(TABLE, sa.Column('standard_attr_id', sa.BigInteger(),
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nullable=True))
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generate_records_for_existing()
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# add the constraint now that everything is populated on that table
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op.create_foreign_key(
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constraint_name=None, source_table=TABLE,
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referent_table='standardattributes',
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local_cols=['standard_attr_id'], remote_cols=['id'],
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ondelete='CASCADE')
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op.alter_column(TABLE, 'standard_attr_id', nullable=False,
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existing_type=sa.BigInteger(), existing_nullable=True,
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existing_server_default=False)
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op.create_unique_constraint(
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constraint_name='uniq_%s0standard_attr_id' % TABLE,
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table_name=TABLE, columns=['standard_attr_id'])
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op.drop_column(TABLE, 'description')
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def expand_drop_exceptions():
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"""Drop the description column for table address_groups
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Drop the existing description column in address_groups table since
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address_groups are now associated with standard_attributes.
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"""
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return {
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sa.Column: ['%s.description' % TABLE]
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}
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@ -10,11 +10,14 @@
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron_lib.api.definitions import address_group as ag
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from neutron_lib.db import constants as db_const
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from neutron_lib.db import model_base
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import sqlalchemy as sa
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from sqlalchemy import orm
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from neutron.db import standard_attr
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class AddressAssociation(model_base.BASEV2):
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"""Represents a neutron address group's address association."""
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@ -26,16 +29,18 @@ class AddressAssociation(model_base.BASEV2):
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sa.ForeignKey("address_groups.id",
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ondelete="CASCADE"),
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nullable=False, primary_key=True)
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revises_on_change = ('address_groups',)
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class AddressGroup(model_base.BASEV2, model_base.HasId, model_base.HasProject):
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class AddressGroup(standard_attr.HasStandardAttributes,
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model_base.BASEV2, model_base.HasId, model_base.HasProject):
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"""Represents a neutron address group."""
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__tablename__ = "address_groups"
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name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
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description = sa.Column(sa.String(db_const.LONG_DESCRIPTION_FIELD_SIZE))
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addresses = orm.relationship(AddressAssociation,
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backref=orm.backref('address_groups',
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load_on_pending=True),
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lazy='subquery',
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cascade='all, delete-orphan')
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api_collections = [ag.ALIAS]
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@ -12,6 +12,7 @@
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import netaddr
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from neutron_lib.objects import common_types
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from oslo_utils import versionutils
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from oslo_versionedobjects import fields as obj_fields
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from neutron.db.models import address_group as models
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@ -22,19 +23,27 @@ from neutron.objects import base
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class AddressGroup(base.NeutronDbObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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# Version 1.1: Added standard attributes
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VERSION = '1.1'
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db_model = models.AddressGroup
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fields = {
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'id': common_types.UUIDField(),
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'name': obj_fields.StringField(nullable=True),
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'description': obj_fields.StringField(nullable=True),
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'project_id': obj_fields.StringField(),
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'addresses': obj_fields.ListOfObjectsField('AddressAssociation',
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nullable=True)
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}
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synthetic_fields = ['addresses']
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def obj_make_compatible(self, primitive, target_version):
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_target_version = versionutils.convert_version_to_tuple(target_version)
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if _target_version < (1, 1):
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standard_fields = ['revision_number', 'created_at', 'updated_at']
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for f in standard_fields:
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primitive.pop(f, None)
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@base.NeutronObjectRegistry.register
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class AddressAssociation(base.NeutronDbObject):
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@ -272,7 +272,7 @@ class _TestModelsMigrations(test_migrations.ModelsMigrationsSync):
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"""Identify excepted operations that are allowed for the branch."""
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# For alembic the clause is AddColumn or DropColumn
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column = clauseelement.column.name
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table = clauseelement.column.table.name
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table = clauseelement.table_name
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element_name = '.'.join([table, column])
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for alembic_type, excepted_names in exceptions.items():
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if alembic_type == sqlalchemy.Column:
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@ -29,6 +29,23 @@ class AddressGroupDbObjectTestCase(
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def setUp(self):
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super(AddressGroupDbObjectTestCase, self).setUp()
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def _create_test_address_group(self):
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self.objs[0].create()
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return self.objs[0]
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def test_object_version_degradation_1_1_to_1_0_no_standard_attrs(self):
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ag_obj = self._create_test_address_group()
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ag_obj_1_0 = ag_obj.obj_to_primitive('1.0')
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self.assertNotIn('revision_number',
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ag_obj_1_0['versioned_object.data'])
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self.assertNotIn('created_at',
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ag_obj_1_0['versioned_object.data'])
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self.assertNotIn('updated_at',
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ag_obj_1_0['versioned_object.data'])
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# description filed was added to initial version separately
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self.assertIn('description',
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ag_obj_1_0['versioned_object.data'])
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class AddressAssociationIfaceObjectTestCase(
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obj_test_base.BaseObjectIfaceTestCase):
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@ -27,7 +27,7 @@ from neutron.tests import base as test_base
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# alphabetic order.
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object_data = {
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'AddressAssociation': '1.0-b92160a3dd2fb7b951adcd2e6ae1665a',
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'AddressGroup': '1.0-a402a66e35d25e9381eab40e1e709907',
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'AddressGroup': '1.1-78c35b6ac495407be56b8fcdbeda4d67',
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'AddressScope': '1.1-dd0dfdb67775892d3adc090e28e43bd8',
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'AddressScopeRBAC': '1.0-192845c5ed0718e1c54fac36936fcd7d',
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'Agent': '1.1-64b670752d57b3c7602cb136e0338507',
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@ -0,0 +1,10 @@
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---
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upgrade:
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- |
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Address group now has standard attributes. In the alembic migration,
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the original ``description`` column of ``address_groups`` is dropped after
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data migrated to the ``standardattributes`` table. The ``description``
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field is also removed from the address group object and DB model. This
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change requires a restart of ``neutron-server`` service after the DB
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migration otherwise users will get server errors when making calls to
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address group APIs.
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