On 23/06/14 19:25, Clint Byrum wrote:
Hello! I would like to turn your attention to this specification draft
that I've written:
https://review.openstack.org/#/c/100012/1/specs/convergence-continuous-observer.rst
Angus has suggested that perhaps Ceilometer is a better place to handle
this. Can you please comment on the review, or can we have a brief
mailing list discussion about how best to filter notifications?
Basically in Heat when a user boots an instance, we would like to act as
soon as it is active, and not have to poll the nova API to know when
that is. Angus has suggested that perhaps we can just tell ceilometer to
hit Heat with a web hook when that happens.
I'm all in favour of having Ceilometer filter the firehose for us if we
can :)
Webhooks would seem to add a lot of overhead though (set up + tear down
a connection for every notification), that could perhaps be avoided by
using a message bus? Given that both setting up and receiving these
notifications would be admin-only operations, is there any benefit to
handling them through a webhook API rather than through oslo.messaging?
cheers,
Zane.
_______________________________________________
OpenStack-dev mailing list
OpenStack-dev@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
