[openstack-dev] [neutron] Adding results to extension callbacks

Kevin Benton blak111 at gmail.com
Mon Jul 13 21:06:02 UTC 2015

This sounds like a lot of overlap with the dict extend functions. Why
weren't they adequate for the QoS use case?

On Mon, Jul 13, 2015 at 7:58 AM, Mike Kolesnik <mkolesni at redhat.com> wrote:

> Hi,
> I sent a simple patch to check the possibility to add results to callbacks:
> https://review.openstack.org/#/c/201127/
> This will allow us to decouple the callback logic from the ML2 plugin in
> the QoS scenario where we need to update the agents in case the profile_id
> on a port/network changes.
> It will also allow for a cleaner way to extend resource attributes as
> AFTER_READ callbacks can return a dict of fields to add to the original
> resource instead of mutating it directly.
> Please let me know what you think of this idea.
> Regards,
> Mike
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Kevin Benton
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