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path: root/keystone-moon/keystone/common/sql/migrate_repo/versions/085_add_endpoint_filtering_table.py
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# 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.

import sqlalchemy as sql

from keystone.common.sql import migration_helpers


def upgrade(migrate_engine):
    try:
        extension_version = migration_helpers.get_db_version(
            extension='endpoint_filter',
            engine=migrate_engine)
    except Exception:
        extension_version = 0

    # This migration corresponds to endpoint_filter extension migration 2. Only
    # update if it has not been run.
    if extension_version >= 2:
        return

    # Upgrade operations go here. Don't create your own engine; bind
    # migrate_engine to your metadata
    meta = sql.MetaData()
    meta.bind = migrate_engine

    EP_GROUP_ID = 'endpoint_group_id'
    PROJECT_ID = 'project_id'

    endpoint_filtering_table = sql.Table(
        'project_endpoint',
        meta,
        sql.Column(
            'endpoint_id',
            sql.String(64),
            primary_key=True,
            nullable=False),
        sql.Column(
            'project_id',
            sql.String(64),
            primary_key=True,
            nullable=False))
    endpoint_filtering_table.create(migrate_engine, checkfirst=True)

    endpoint_group_table = sql.Table(
        'endpoint_group',
        meta,
        sql.Column('id', sql.String(64), primary_key=True),
        sql.Column('name', sql.String(255), nullable=False),
        sql.Column('description', sql.Text, nullable=True),
        sql.Column('filters', sql.Text(), nullable=False))
    endpoint_group_table.create(migrate_engine, checkfirst=True)

    project_endpoint_group_table = sql.Table(
        'project_endpoint_group',
        meta,
        sql.Column(EP_GROUP_ID, sql.String(64),
                   sql.ForeignKey('endpoint_group.id'), nullable=False),
        sql.Column(PROJECT_ID, sql.String(64), nullable=False),
        sql.PrimaryKeyConstraint(EP_GROUP_ID, PROJECT_ID))
    project_endpoint_group_table.create(migrate_engine, checkfirst=True)