[openstack-dev] [Neutron][LBaaS] Loadbalancer instance design.

Aaron Rosen arosen at nicira.com
Mon Nov 18 08:30:32 UTC 2013


On Fri, Nov 15, 2013 at 5:59 AM, Stephen Gran
<stephen.gran at theguardian.com>wrote:

> On 15/11/13 13:14, Eugene Nikanorov wrote:
>
>> Hi folks,
>>
>> I've created a brief description of this feature.
>> You can find it here:
>> https://wiki.openstack.org/wiki/Neutron/LBaaS/LoadbalancerInstance
>> <https://blueprints.launchpad.net/neutron/+spec/lbaas-service-instance>
>>
>>
>> I would appreciate any comments/ideas about this.
>>
>
> This is great - we're starting to experiment with running an appliance
> load balancer as an openstack instance.  The only quirk so far is that we
> need to add new vips to the allowed_addresses list on the neutron port, and
> the API for doing so doesn't allow for incremental updates, so is a bit
> racy.
>

Why do you need incremental updates? Doing a PUT with a list of
IP(cidr)/mac is not very expensive to the point were we need to create an
address_pair as a top level resource so you could do what you are doing.
FWIW, the allowed_address_pair attribute works the same way as the
fixed_ips attribute on the port.


>
> Cheers,
> --
> Stephen Gran
> Senior Systems Integrator - theguardian.com
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