magnum/magnum/db/sqlalchemy/alembic/versions/04c625aa95ba_change_storage...

34 lines
1.2 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.
"""change storage driver to string
Revision ID: 04c625aa95ba
Revises: 52bcaf58fecb
Create Date: 2017-10-10 15:40:37.553288
"""
# revision identifiers, used by Alembic.
revision = '04c625aa95ba'
down_revision = '52bcaf58fecb'
from alembic import op # noqa: E402
import sqlalchemy as sa # noqa: E402
def upgrade():
op.alter_column('cluster_template', 'docker_storage_driver',
existing_type=sa.Enum('devicemapper', 'overlay',
name='docker_storage_driver'),
type_=sa.String(length=512),
nullable=True)