[openstack-dev] [Tatu][Nova] Handling instance destruction

Pino de Candia giuseppe.decandia at gmail.com
Fri Mar 16 03:18:29 UTC 2018

Hi Michael,

Thanks for your message... and thanks for your vendordata work!

About your question, Tatu listens to events on the oslo message bus.
Specifically, it reacts to compute.instance.delete.end by cleaning up
per-instance resources. It also listens to project creation and user role
assignment changes. The code is at:


On Thu, Mar 15, 2018 at 3:42 PM, Michael Still <mikal at stillhq.com> wrote:

> Heya,
> I've just stumbled across Tatu and the design presentation [1], and I am
> wondering how you handle cleaning up instances when they are deleted given
> that nova vendordata doesn't expose a "delete event".
> Specifically I'm wondering if we should add support for such an event to
> vendordata somehow, given I can now think of a couple of use cases for it.
> Thanks,
> Michael
> 1: https://docs.google.com/presentation/d/1HI5RR3SNUu1If-
> A5Zi4EMvjl-3TKsBW20xEUyYHapfM/edit#slide=id.p
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20180315/c90e1e05/attachment.html>

More information about the OpenStack-dev mailing list