octavia/octavia/db/migration/alembic_migrations/versions/e37941b010db_add_lb_flavor_...

79 lines
2.7 KiB
Python

#
# 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.
"""Add lb flavor ID constraint
Revision ID: e37941b010db
Revises: dcf88e59aae4
Create Date: 2019-10-31 10:09:37.869653
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy import sql
from octavia.common import constants
# revision identifiers, used by Alembic.
revision = 'e37941b010db'
down_revision = 'dcf88e59aae4'
def upgrade():
insert_table = sql.table(
u'flavor_profile',
sa.Column(u'id', sa.String(36), nullable=False),
sa.Column(u'name', sa.String(255), nullable=False),
sa.Column(u'provider_name', sa.String(255), nullable=False),
sa.Column(u'flavor_data', sa.String(4096), nullable=False),
)
op.bulk_insert(
insert_table,
[
{'id': constants.NIL_UUID, 'name': 'DELETED-PLACEHOLDER',
'provider_name': 'DELETED', 'flavor_data': '{}'},
]
)
insert_table = sql.table(
u'flavor',
sa.Column(u'id', sa.String(36), nullable=False),
sa.Column(u'name', sa.String(255), nullable=False),
sa.Column(u'description', sa.String(255), nullable=True),
sa.Column(u'enabled', sa.Boolean(), nullable=False),
sa.Column(u'flavor_profile_id', sa.String(36), nullable=False),
)
op.bulk_insert(
insert_table,
[
{'id': constants.NIL_UUID, 'name': 'DELETED-PLACEHOLDER',
'description': 'Placeholder for DELETED LBs with DELETED flavors',
'enabled': False, 'flavor_profile_id': constants.NIL_UUID}
]
)
# Make sure any existing load balancers with invalid flavor_id
# map to a valid flavor.
# Note: constant is not used here to not trigger security tool errors.
op.execute("UPDATE load_balancer LEFT JOIN flavor ON "
"load_balancer.flavor_id = flavor.id SET "
"load_balancer.flavor_id = "
"'00000000-0000-0000-0000-000000000000' WHERE "
"flavor.id IS NULL and load_balancer.flavor_id IS NOT NULL")
op.create_foreign_key('fk_loadbalancer_flavor_id', 'load_balancer',
'flavor', ['flavor_id'], ['id'])