Open Stack

>From a billing perspective we would like to have a way to have a live feed
of data maybe from Ceilometer or from somewhere else to do more "realtime"
billing.

I guess we too could be a consumer of something like this.

Endre


2013/5/28 Mark McLoughlin <markmc at redhat.com>

> Hey Tomas,
>
> On Tue, 2013-05-28 at 09:29 +0200, Tomas Sedovic wrote:
> > On 05/24/2013 08:36 PM, Doug Hellmann wrote:
> > >
> > >
> > >
> > > On Fri, May 24, 2013 at 12:39 PM, Tomas Sedovic <tsedovic at redhat.com
> > > <mailto:tsedovic at redhat.com>> wrote:
> ...
> > >     I wonder if we could leverage Ceilometer here since it already
> > >     listens in on the message bus. Could it be configured to send
> > >     interesting information to Horizon (as opposed to being polled for
> it)?
> > >
> > >
> > > This really feels like a different use case that what ceilometer is
> made
> > > for. Gabriel and I talked at the grizzly summit about the code we have
> > > in ceilometer for listening to notifications, and we agreed to try to
> > > put that in oslo somewhere to make it easier to create a similar
> > > listening service in horizon that redirects the notifications to the
> > > browser(s). I haven't had a chance to do that. If you want to tackle
> it,
> > > I can help figure out which bits are interesting/useful.
> >
> > Thanks, I thought that might be the case but I didn't know enough to be
> > sure.
> >
> > Putting the bits to oslo sounds like a neat idea.
>
> The notifications listening API is basically the last API design task
> for the oslo messaging API:
>
> https://wiki.openstack.org/wiki/Oslo/Messaging#Handling_Notifications
>
> > I'm certainly willing
> > to look into it, but I'd like to get some feedback on this first.
>
> I guess the question comes down to whether Horizon itself should be
> listening on the message bus or whether we have some other agent consume
> notifications and send them to Horizon via socket.io?
>
> Cheers,
> Mark.
>
>
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