121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
# Copyright 2015 Mirantis Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Add DB support for share instance export locations metadata.
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Revision ID: dda6de06349
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Revises: 323840a08dc4
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Create Date: 2015-11-30 13:50:15.914232
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"""
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# revision identifiers, used by Alembic.
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revision = 'dda6de06349'
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down_revision = '323840a08dc4'
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from alembic import op
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from oslo_log import log
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from oslo_utils import uuidutils
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import sqlalchemy as sa
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SI_TABLE_NAME = 'share_instances'
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EL_TABLE_NAME = 'share_instance_export_locations'
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ELM_TABLE_NAME = 'share_instance_export_locations_metadata'
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LOG = log.getLogger(__name__)
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def upgrade():
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try:
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meta = sa.MetaData()
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meta.bind = op.get_bind()
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# Add new 'is_admin_only' column in export locations table that will be
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# used for hiding admin export locations from common users in API.
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op.add_column(
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EL_TABLE_NAME,
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sa.Column('is_admin_only', sa.Boolean, default=False))
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# Create new 'uuid' column as String(36) in export locations table
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# that will be used for API.
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op.add_column(
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EL_TABLE_NAME,
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sa.Column('uuid', sa.String(36), unique=True),
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)
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# Generate UUID for each existing export location.
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el_table = sa.Table(
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EL_TABLE_NAME, meta,
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sa.Column('id', sa.Integer),
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sa.Column('uuid', sa.String(36)),
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sa.Column('is_admin_only', sa.Boolean),
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)
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for record in el_table.select().execute():
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# pylint: disable=no-value-for-parameter
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el_table.update().values(
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is_admin_only=False,
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uuid=uuidutils.generate_uuid(),
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).where(
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el_table.c.id == record.id,
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).execute()
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# Make new 'uuid' column in export locations table not nullable.
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op.alter_column(
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EL_TABLE_NAME,
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'uuid',
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existing_type=sa.String(length=36),
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nullable=False,
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)
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except Exception:
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LOG.error("Failed to update '%s' table!",
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EL_TABLE_NAME)
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raise
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try:
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op.create_table(
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ELM_TABLE_NAME,
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sa.Column('id', sa.Integer, primary_key=True),
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sa.Column('created_at', sa.DateTime),
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sa.Column('updated_at', sa.DateTime),
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sa.Column('deleted_at', sa.DateTime),
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sa.Column('deleted', sa.Integer),
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sa.Column('export_location_id', sa.Integer,
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sa.ForeignKey('%s.id' % EL_TABLE_NAME,
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name="elm_id_fk"), nullable=False),
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sa.Column('key', sa.String(length=255), nullable=False),
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sa.Column('value', sa.String(length=1023), nullable=False),
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sa.UniqueConstraint('export_location_id', 'key', 'deleted',
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name="elm_el_id_uc"),
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mysql_engine='InnoDB',
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)
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except Exception:
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LOG.error("Failed to create '%s' table!", ELM_TABLE_NAME)
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raise
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def downgrade():
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try:
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op.drop_table(ELM_TABLE_NAME)
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except Exception:
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LOG.error("Failed to drop '%s' table!", ELM_TABLE_NAME)
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raise
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try:
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op.drop_column(EL_TABLE_NAME, 'is_admin_only')
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op.drop_column(EL_TABLE_NAME, 'uuid')
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except Exception:
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LOG.error("Failed to update '%s' table!", EL_TABLE_NAME)
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raise
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