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
