[openstack-dev] [nova][heat][oslo] sqlalchemy-migrate tool to alembic

Doug Hellmann doug at doughellmann.com
Thu May 14 12:33:42 UTC 2015


Excerpts from Manickam, Kanagaraj's message of 2015-05-14 06:18:25 +0000:
> Hi Nova team,
> 
> This mail is regarding an help required on the migration from
> sqlalchemy migration tool  to alembic tool.
> 
> 
> Heat is currently using sqlalchemy-migration tool and In liberty release,
> 
> we are investigating on how to bring the alembic into heat. We found that
> 
> nova has already tried the same (https://review.openstack.org/#/c/15196/ )
> 
> almost 2 years back and in Kilo release, nova is still using sqlalchemy
> 
> migration tool. (https://github.com/openstack/nova/tree/master/nova/db/sqlalchemy/migrate_repo/versions)
> 
> 
> 
> So we are assuming that, in nova, you might have faced blockers to bring in alembic.
> 
> And we would like to seek your  recommendation/suggestions based
> 
> on your experience on this.  This will help us to take proper direction
> 
> on using alembic in heat. Could you kindly share it.

There are some folks on the oslo.db team who have looked into making
alembic work. You may want to check in with them to see what the state
of that project is before redoing a lot of the work yourselves.

Doug

> 
> 
> 
> Thanks in advance !
> 
> Regards,
> Kanagaraj M



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