manila/manila/db/migrations/alembic/versions/e6d88547b381_add_progress_f...

63 lines
1.8 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-progress-field-to-share-instance
Revision ID: e6d88547b381
Revises: 805685098bd2
Create Date: 2020-01-31 14:06:15.952747
"""
# revision identifiers, used by Alembic.
revision = 'e6d88547b381'
down_revision = '805685098bd2'
from alembic import op
from manila.common import constants
from manila.db.migrations import utils
from oslo_log import log
import sqlalchemy as sa
LOG = log.getLogger(__name__)
def upgrade():
try:
connection = op.get_bind()
op.add_column('share_instances',
sa.Column('progress', sa.String(32), nullable=True,
default=None))
share_instances_table = utils.load_table('share_instances', connection)
updated_data = {'progress': '100%'}
# pylint: disable=no-value-for-parameter
op.execute(
share_instances_table.update().where(
share_instances_table.c.status == constants.STATUS_AVAILABLE,
).values(updated_data)
)
except Exception:
LOG.error("Column share_instances.progress not created.")
raise
def downgrade():
try:
op.drop_column('share_instances', 'progress')
except Exception:
LOG.error("Column share_instances.progress not dropped.")
raise