be30bb2fd8
Base DAL implementation and DevStack integration. Our database schema is under design so the models may be changed later. Partially implements: blueprint implement-dal Change-Id: I8b16b3217e6b72e04bd8886d01d638f2d5a5c388
74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
# Copyright 2015 Huawei Technologies Co., Ltd.
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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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import migrate
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import sqlalchemy as sql
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def upgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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cascaded_sites = sql.Table(
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'cascaded_sites', meta,
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sql.Column('site_id', sql.String(length=64), primary_key=True),
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sql.Column('site_name', sql.String(length=64), unique=True,
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nullable=False),
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sql.Column('az_id', sql.String(length=64), nullable=False),
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mysql_engine='InnoDB',
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mysql_charset='utf8')
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cascaded_site_service_configuration = sql.Table(
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'cascaded_site_service_configuration', meta,
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sql.Column('service_id', sql.String(length=64), primary_key=True),
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sql.Column('site_id', sql.String(length=64), nullable=False),
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sql.Column('service_name', sql.String(length=64), unique=True,
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nullable=False),
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sql.Column('service_type', sql.String(length=64), nullable=False),
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sql.Column('service_url', sql.String(length=512), nullable=False),
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mysql_engine='InnoDB',
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mysql_charset='utf8')
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cascaded_service_types = sql.Table(
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'cascaded_service_types', meta,
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sql.Column('id', sql.Integer, primary_key=True),
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sql.Column('service_type', sql.String(length=64), unique=True),
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mysql_engine='InnoDB',
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mysql_charset='utf8')
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cascaded_site_services = sql.Table(
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'cascaded_site_services', meta,
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sql.Column('site_id', sql.String(length=64), primary_key=True),
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mysql_engine='InnoDB',
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mysql_charset='utf8')
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tables = [cascaded_sites, cascaded_site_service_configuration,
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cascaded_service_types, cascaded_site_services]
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for table in tables:
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table.create()
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fkeys = [
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{'columns': [cascaded_site_service_configuration.c.site_id],
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'references': [cascaded_sites.c.site_id]},
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{'columns': [cascaded_site_service_configuration.c.service_type],
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'references': [cascaded_service_types.c.service_type]}
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]
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for fkey in fkeys:
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migrate.ForeignKeyConstraint(columns=fkey['columns'],
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refcolumns=fkey['references'],
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name=fkey.get('name')).create()
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def downgrade(migrate_engine):
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raise NotImplementedError('can not downgrade from init repo.')
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