magnum/magnum/db/sqlalchemy/alembic/versions/a1136d335540_add_docker_sto...

37 lines
1.3 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 docker storage driver column
Revision ID: a1136d335540
Revises: d072f58ab240
Create Date: 2016-03-07 19:00:28.738486
"""
# revision identifiers, used by Alembic.
revision = 'a1136d335540'
down_revision = 'd072f58ab240'
from alembic import op # noqa: E402
import sqlalchemy as sa # noqa: E402
docker_storage_driver_enum = sa.Enum('devicemapper', 'overlay',
name='docker_storage_driver')
def upgrade():
docker_storage_driver_enum.create(op.get_bind(), checkfirst=True)
op.add_column('baymodel', sa.Column('docker_storage_driver',
docker_storage_driver_enum,
nullable=True))