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On 03/16/2016 05:29 AM, Qasim Sarfraz wrote:
> Thanks Ben.
> 
> On Tue, Mar 15, 2016 at 10:51 PM, Ben Nemec <openstack at nemebean.com
> <mailto:openstack at nemebean.com>> wrote:
> 
>     On 03/14/2016 10:18 AM, Qasim Sarfraz wrote:
>     > Hi Triple-O folks,
>     >
>     > I was planning to enable neutron-lbaas-agent on a overcloud deployment
>     > but couldn't find any useful documentation. Can someone please point me
>     > to the required documentation? Is there a heat/puppet workflow available
>     > for this service?
>     >
>     > Also I had following questions regarding neutron-lbaas service placement:
>     >
>     >   * I am not able to find a network node or neutron node role in
>     tripleo
>     >     templates [1] consequently the service will be placed on
>     >     controllers. Correct?
> 
>     Yeah, there's work under way to allow custom placement of services, but
>     for the moment it would probably need to run on the controllers.
> 
> Makes sense. Is there a discussion going on for this or some patch set
> adding this functionality? I will be happy to be part of that effort. 

I'm not aware of anything right now.

> 
>     >   * Is it possible to run multiple instances of this service and use
>     >     HAproxy to provide VIP to the services?
> 
>     Assuming the service supports this, it should be doable. 
> 
> 
>     >   * Is it possible to run the service on the compute nodes? If yes is
>     >     there a installation workflow for this.
> 
>     It's possible, but to my knowledge there isn't any existing support for
>     LBaaS in TripleO.  To enable it, you would need to:
> 
>     -Add it to the TripleO loadbalancer puppet manifest:
>     https://github.com/openstack/puppet-tripleo/blob/master/manifests/loadbalancer.pp
>     -Add
>     <https://github.com/openstack/puppet-tripleo/blob/master/manifests/loadbalancer.pp
>     -Add> the necessary hieradata to enable it in tripleo-heat-templates.
> 
>     This is assuming there is existing puppet support for it.  If not, there
>     would be some additional steps to get that into the puppet modules
>     we use.
> 
> Thanks for the pointer. I will have to add support in [1] and take care
> of heat/puppet/hiera workflow for automated installation. Correct? 

Yep, that's pretty much it.

> [1]
> - https://github.com/openstack/tripleo-heat-templates/blob/master/puppet/manifests/overcloud_controller_pacemaker.pp 
> <https://github.com/openstack/tripleo-heat-templates/blob/master/puppet/manifests/overcloud_controller_pacemaker.pp>
> 
>     -Ben
> 
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> 
> -- 
> Regards,
> Qasim Sarfraz