heat/heat/db/sqlalchemy/migrate_repo/versions/012_stack_id_uuid.py

95 lines
3.2 KiB
Python

from sqlalchemy import *
from migrate import *
from heat.openstack.common import uuidutils
def upgrade(migrate_engine):
meta = MetaData(bind=migrate_engine)
stack = Table('stack', meta, autoload=True)
event = Table('event', meta, autoload=True)
resource = Table('resource', meta, autoload=True)
dialect = migrate_engine.url.get_dialect().name
if not dialect.startswith('sqlite'):
fkeys = list(event.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[event.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).drop()
fkeys = list(resource.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[resource.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).drop()
stack.c.id.alter(String(36), primary_key=True,
default=uuidutils.generate_uuid)
event.c.stack_id.alter(String(36), nullable=False)
resource.c.stack_id.alter(String(36), nullable=False)
fkeys = list(event.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[event.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).create()
fkeys = list(resource.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[resource.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).create()
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
dialect = migrate_engine.url.get_dialect().name
if dialect.startswith('sqlite'):
return
stack = Table('stack', meta, autoload=True)
event = Table('event', meta, autoload=True)
resource = Table('resource', meta, autoload=True)
fkeys = list(event.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[event.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).drop()
fkeys = list(resource.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[resource.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).drop()
stack.c.id.alter(Integer, primary_key=True,
default=utils.generate_uuid)
event.c.stack_id.alter(Integer, nullable=False)
resource.c.stack_id.alter(Integer, nullable=False)
fkeys = list(event.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[event.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).create()
fkeys = list(resource.c.stack_id.foreign_keys)
if fkeys:
fkey_name = fkeys[0].constraint.name
ForeignKeyConstraint(columns=[resource.c.stack_id],
refcolumns=[stack.c.id],
name=fkey_name).create()