Open Stack

On Fri, Apr 08, 2016 at 09:52:31AM +0000, Balázs Gibizer wrote:
> > -----Original Message-----
> > From: Qiming Teng [mailto:tengqim at linux.vnet.ibm.com]
> > Sent: April 07, 2016 15:42
> > 
> > The only gap based on my limited understanding is that nova is not emitting
> > events compute host state changes. This knowledge is still kept inside nova
> > as some service states. If that info is posted to oslo messaging, a lot of usage
> > scenarios can be enabled and we can avoid too much churns to nova itself.
> 
> Nova does not really know the state of the compute host, it knows only the state of the nova-compute service running on the compute host. In Mitaka we added notification about the service status[2]. 
> Also there is a proposal about notification about hypervisor info change [1].
> 
> Cheers,
> Gibi
> 
> [1] https://review.openstack.org/#/c/299807/
> [2] http://docs.openstack.org/developer/nova/notifications.html#existing-versioned-notifications 
> 

Thanks for the sharing, Balázs. The mitaka service status notification
looks pretty useful, I'll try it.

Regards,
  Qiming

> > 
> > Regards,
> >   Qiming
> > 
> > 
> > __________________________________________________________
> > ________________
> > 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
> 
> __________________________________________________________________________
> 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
>