55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
import json
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import sqlalchemy as sql
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from sqlalchemy import orm
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from keystone import config
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CONF = config.CONF
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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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endpoint_table = sql.Table('endpoint', meta, autoload=True)
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session = orm.sessionmaker(bind=migrate_engine)()
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for endpoint in session.query(endpoint_table).all():
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try:
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extra = json.loads(endpoint.extra)
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legacy_endpoint_id = extra.pop('legacy_endpoint_id')
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except KeyError:
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# if there is no legacy_endpoint_id, there's nothing to do
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pass
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else:
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q = endpoint_table.update()
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q = q.where(endpoint_table.c.id == endpoint.id)
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q = q.values({
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endpoint_table.c.extra: json.dumps(extra),
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endpoint_table.c.legacy_endpoint_id: legacy_endpoint_id})
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migrate_engine.execute(q)
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session.close()
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def downgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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endpoint_table = sql.Table('endpoint', meta, autoload=True)
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session = orm.sessionmaker(bind=migrate_engine)()
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for endpoint in session.query(endpoint_table).all():
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if endpoint.legacy_endpoint_id is not None:
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extra = json.loads(endpoint.extra)
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extra['legacy_endpoint_id'] = endpoint.legacy_endpoint_id
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q = endpoint_table.update()
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q = q.where(endpoint_table.c.id == endpoint.id)
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q = q.values({
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endpoint_table.c.extra: json.dumps(extra),
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endpoint_table.c.legacy_endpoint_id: None})
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migrate_engine.execute(q)
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session.close()
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