manila/manila/db/migrations/alembic/versions/a77e2ad5012d_add_share_snap...

103 lines
3.7 KiB
Python

# Copyright (c) 2016 Hitachi Data Systems.
# All Rights Reserved.
#
# 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_share_snapshot_access
Revision ID: a77e2ad5012d
Revises: e1949a93157a
Create Date: 2016-07-15 13:32:19.417771
"""
# revision identifiers, used by Alembic.
revision = 'a77e2ad5012d'
down_revision = 'e1949a93157a'
from manila.common import constants
from manila.db.migrations import utils
from alembic import op
import sqlalchemy as sa
def upgrade():
op.create_table(
'share_snapshot_access_map',
sa.Column('id', sa.String(36), primary_key=True),
sa.Column('created_at', sa.DateTime),
sa.Column('updated_at', sa.DateTime),
sa.Column('deleted_at', sa.DateTime),
sa.Column('deleted', sa.String(36), default='False'),
sa.Column('share_snapshot_id', sa.String(36),
sa.ForeignKey('share_snapshots.id',
name='ssam_snapshot_fk')),
sa.Column('access_type', sa.String(255)),
sa.Column('access_to', sa.String(255))
)
op.create_table(
'share_snapshot_instance_access_map',
sa.Column('id', sa.String(36), primary_key=True),
sa.Column('created_at', sa.DateTime),
sa.Column('updated_at', sa.DateTime),
sa.Column('deleted_at', sa.DateTime),
sa.Column('deleted', sa.String(36), default='False'),
sa.Column('share_snapshot_instance_id', sa.String(36),
sa.ForeignKey('share_snapshot_instances.id',
name='ssiam_snapshot_instance_fk')),
sa.Column('access_id', sa.String(36),
sa.ForeignKey('share_snapshot_access_map.id',
name='ssam_access_fk')),
sa.Column('state', sa.String(255),
default=constants.ACCESS_STATE_QUEUED_TO_APPLY)
)
op.create_table(
'share_snapshot_instance_export_locations',
sa.Column('id', sa.String(36), primary_key=True),
sa.Column('created_at', sa.DateTime),
sa.Column('updated_at', sa.DateTime),
sa.Column('deleted_at', sa.DateTime),
sa.Column('deleted', sa.String(36), default='False'),
sa.Column('share_snapshot_instance_id', sa.String(36),
sa.ForeignKey('share_snapshot_instances.id',
name='ssiel_snapshot_instance_fk')),
sa.Column('path', sa.String(2000)),
sa.Column('is_admin_only', sa.Boolean, default=False, nullable=False)
)
op.add_column('shares',
sa.Column('mount_snapshot_support', sa.Boolean,
default=False))
connection = op.get_bind()
shares_table = utils.load_table('shares', connection)
# pylint: disable=no-value-for-parameter
op.execute(
shares_table.update().where(
shares_table.c.deleted == 'False').values({
'mount_snapshot_support': False,
})
)
def downgrade():
op.drop_table('share_snapshot_instance_export_locations')
op.drop_table('share_snapshot_instance_access_map')
op.drop_table('share_snapshot_access_map')
op.drop_column('shares', 'mount_snapshot_support')