Please see https://alembic.readthedocs.org/en/latest/index.html for general documentation
To create alembic migrations use:
$ ironic-dbsync revision --message --autogenerate
Stamp db with most recent migration version, without actually running migrations
$ ironic-dbsync stamp --revision head
Upgrade can be performed by:
$ ironic-dbsync - for backward compatibility
$ ironic-dbsync upgrade
# ironic-dbsync upgrade --revision head
Downgrading db:
$ ironic-dbsync downgrade
$ ironic-dbsync downgrade --revision base
02583c7573