[ovs-discuss] ovn-controller periodically reporting status

Anil Venkata anilvenkata at redhat.com
Thu Mar 15 05:14:06 UTC 2018

On Thu, Mar 15, 2018 at 3:35 AM, Ben Pfaff <blp at ovn.org> wrote:

> On Tue, Mar 13, 2018 at 05:46:41PM +0530, Anil Venkata wrote:
> > In Openstack neutron reference implementation, all agents will be
> > periodically reporting their status to neutron server. Similarly in
> > Openstack OVN based deployment, we want ovn-controller to periodically
> > report its status to neutron server.
> What kind of monitoring do you need?  If it's just a matter of finding
> out that the controllers are still alive, then the existing "nb_cfg"
> column in Chassis can suffice.  When neutron wants to check on the
> controllers, it can increment nb_cfg in NB_Global and then see which
> controllers update nb_cfg in Chassis in response.

Thanks a lot Ben.
Yes, the requirement is to check if the ovn-controller is dead or alive.
"nb_cfg" column is sufficient for this. I will follow your suggestion.

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