glance/glance/db/sqlalchemy/migrate_repo/versions/035_add_metadef_tables.py
Wayne Okuma 824d9620b0 Metadef Property and Object schema columns should use JSONEncodedDict
The MetadefProperty and MetadefObject ORM classes currently specify the
JSON schema columns as type Text. It is preferred to use the
JSONEncodedDict Type Decorator instead. This fix also includes necessary
code changes to remove JSON encoding/decoding that was previously done
in other layers. Fixes for unit tests involving the schema columns are
also included.

Change-Id: I2c574210f8d62c77a438afab83ff80f3e5bd2fe7
Closes-Bug: 1368479
2014-10-07 12:28:59 -07:00

216 lines
7.8 KiB
Python

# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
#
# 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 oslo.utils import timeutils
import sqlalchemy
from sqlalchemy.schema import (
Column, ForeignKey, Index, MetaData, Table, UniqueConstraint) # noqa
from glance.db.sqlalchemy.migrate_repo.schema import (
Boolean, DateTime, Integer, String, Text, create_tables,
drop_tables) # noqa
RESOURCE_TYPES = [u'OS::Glance::Image', u'OS::Cinder::Volume',
u'OS::Nova::Flavor', u'OS::Nova::Aggregate',
u'OS::Nova::Instance']
def _get_metadef_resource_types_table(meta):
return sqlalchemy.Table('metadef_resource_types', meta, autoload=True)
def _populate_resource_types(resource_types_table):
now = timeutils.utcnow()
for resource_type in RESOURCE_TYPES:
values = {
'name': resource_type,
'protected': True,
'created_at': now,
'updated_at': now
}
resource_types_table.insert(values=values).execute()
def define_metadef_namespaces_table(meta):
# NOTE: For DB2 if UniqueConstraint is used when creating a table
# an index will automatically be created. So, for DB2 specify the
# index name up front. If not DB2 then create the Index.
_constr_kwargs = {}
if meta.bind.name == 'ibm_db_sa':
_constr_kwargs['name'] = 'ix_namespaces_namespace'
namespaces = Table('metadef_namespaces',
meta,
Column('id', Integer(), primary_key=True,
nullable=False),
Column('namespace', String(80), nullable=False),
Column('display_name', String(80)),
Column('description', Text()),
Column('visibility', String(32)),
Column('protected', Boolean()),
Column('owner', String(255), nullable=False),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
UniqueConstraint('namespace', **_constr_kwargs),
mysql_engine='InnoDB',
extend_existing=True)
if meta.bind.name != 'ibm_db_sa':
Index('ix_namespaces_namespace', namespaces.c.namespace)
return namespaces
def define_metadef_objects_table(meta):
_constr_kwargs = {}
if meta.bind.name == 'ibm_db_sa':
_constr_kwargs['name'] = 'ix_objects_namespace_id_name'
objects = Table('metadef_objects',
meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('namespace_id', Integer(),
ForeignKey('metadef_namespaces.id'),
nullable=False),
Column('name', String(80), nullable=False),
Column('description', Text()),
Column('required', Text()),
Column('schema', Text(), nullable=False),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
UniqueConstraint('namespace_id', 'name',
**_constr_kwargs),
mysql_engine='InnoDB',
extend_existing=True)
if meta.bind.name != 'ibm_db_sa':
Index('ix_objects_namespace_id_name',
objects.c.namespace_id,
objects.c.name)
return objects
def define_metadef_properties_table(meta):
_constr_kwargs = {}
if meta.bind.name == 'ibm_db_sa':
_constr_kwargs['name'] = 'ix_metadef_properties_namespace_id_name'
metadef_properties = Table(
'metadef_properties',
meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('namespace_id', Integer(), ForeignKey('metadef_namespaces.id'),
nullable=False),
Column('name', String(80), nullable=False),
Column('schema', Text(), nullable=False),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
UniqueConstraint('namespace_id', 'name', **_constr_kwargs),
mysql_engine='InnoDB',
extend_existing=True)
if meta.bind.name != 'ibm_db_sa':
Index('ix_metadef_properties_namespace_id_name',
metadef_properties.c.namespace_id,
metadef_properties.c.name)
return metadef_properties
def define_metadef_resource_types_table(meta):
_constr_kwargs = {}
if meta.bind.name == 'ibm_db_sa':
_constr_kwargs['name'] = 'ix_metadef_resource_types_name'
metadef_res_types = Table(
'metadef_resource_types',
meta,
Column('id', Integer(), primary_key=True, nullable=False),
Column('name', String(80), nullable=False),
Column('protected', Boolean(), nullable=False, default=False),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
UniqueConstraint('name', **_constr_kwargs),
mysql_engine='InnoDB',
extend_existing=True)
if meta.bind.name != 'ibm_db_sa':
Index('ix_metadef_resource_types_name',
metadef_res_types.c.name)
return metadef_res_types
def define_metadef_namespace_resource_types_table(meta):
_constr_kwargs = {}
if meta.bind.name == 'ibm_db_sa':
_constr_kwargs['name'] = 'ix_metadef_ns_res_types_res_type_id_ns_id'
metadef_associations = Table(
'metadef_namespace_resource_types',
meta,
Column('resource_type_id', Integer(),
ForeignKey('metadef_resource_types.id'),
primary_key=True, nullable=False),
Column('namespace_id', Integer(),
ForeignKey('metadef_namespaces.id'),
primary_key=True, nullable=False),
Column('properties_target', String(80)),
Column('prefix', String(80)),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
UniqueConstraint('resource_type_id', 'namespace_id',
**_constr_kwargs),
mysql_engine='InnoDB',
extend_existing=True)
if meta.bind.name != 'ibm_db_sa':
Index('ix_metadef_ns_res_types_res_type_id_ns_id',
metadef_associations.c.resource_type_id,
metadef_associations.c.namespace_id)
return metadef_associations
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
tables = [define_metadef_namespaces_table(meta),
define_metadef_objects_table(meta),
define_metadef_properties_table(meta),
define_metadef_resource_types_table(meta),
define_metadef_namespace_resource_types_table(meta)]
create_tables(tables)
resource_types_table = _get_metadef_resource_types_table(meta)
_populate_resource_types(resource_types_table)
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
tables = [define_metadef_objects_table(meta),
define_metadef_properties_table(meta),
define_metadef_namespace_resource_types_table(meta),
define_metadef_resource_types_table(meta),
define_metadef_namespaces_table(meta)]
drop_tables(tables)