Open Stack

Your installed neutron is not current. When developing new db migrations you
should be working with the master branch. Fast forward your repo and re-run
devstack to get the latest neutron-db-manage.

On Tue, Nov 03, 2015, Zhi Chang <changzhi at unitedstack.com> wrote:
> Thanks for your reply.
>  There is an error when I run migration cmd:
>
> stack at devstack:~/neutron/neutron/db/migration$ neutron-db-manage revision -m
> 'desc' --contract
> usage: neutron-db-manage [-h] [--config-dir DIR] [--config-file PATH]
>                          [--core_plugin CORE_PLUGIN] [--nosplit_branches]
>                          [--service SERVICE] [--split_branches]
>                          [--subproject SUBPROJECT] [--version]
>                          [--database-connection DATABASE_CONNECTION]
>                          [--database-engine DATABASE_ENGINE]
>                        
>  {current,history,branches,check_migration,upgrade,downgrade,stamp,revision}
>                          ...
> neutron-db-manage: error: unrecognized arguments: --contract
>  
>  
> ------------------ Original ------------------
> *From: * "Anna Kamyshnikova"<akamyshnikova at mirantis.com>;
> *Date: * Tue, Nov 3, 2015 07:03 PM
> *To: * "OpenStack Development Mailing List (not for usage
> questions)"<openstack-dev at lists.openstack.org>;
> *Subject: * Re: [openstack-dev] [Neutron][db][migration] Neutron db
> migrationby python scripts
>  
> You can create new migration using "neutron-db-manage revision -m 'desc'
> --expand/--contract" depends in what changes do you want to do in migration
> expand - add something, contract - delete or modify.
>  More information
> - http://docs.openstack.org/developer/neutron/devref/alembic_migrations.html
>
> On Tue, Nov 3, 2015 at 1:52 PM, Zhi Chang <changzhi at unitedstack.com
> <mailto:changzhi at unitedstack.com>> wrote:
>
>     Hi, all
>         Now, I should make some database model definitions if I want to
>     upgrade db. And a database migration script will generated when I run
>     "neutron-db-manage revision -m "description of revision" --autogenerate".
>     The database will upgraded when run "neutron-db-manage upgrade head". 
>         I want to upgrade db and I plan to write db migration scripts manually
>     instead of change database model definitions. Is there some ways to
>     realize it?
>         Does anyone have some good ideas?
>
>     Thanks
>     Zhi Chang
>
>     __________________________________________________________________________
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>
>
>
> -- 
> Regards,
> Ann Kamyshnikova
> Mirantis, Inc
>
>
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