[openstack-dev] [lbaas]HA for lbaas v2 agent
Assaf Muller
assaf at redhat.com
Thu Jun 23 21:33:07 UTC 2016
On Thu, Jun 23, 2016 at 3:43 PM, Akshay Kumar Sanghai
<akshaykumarsanghai at gmail.com> wrote:
> Thanks Assaf.
> I have few questions for lbaas:
> - if i run agents on multiple nodes, will the request be ditrsibuted by
> neutron-server?
> - Does neutron lbaas agent forward the request to octavia-api or the
> neutron-server?
The LBaaS v2 API has multiple implementations. One of which is based
off haproxy and namespaces, known as the agent based implementation.
Do you have neutron-lbaas-agent running on your network nodes? The
second implementation is called Octavia and is based off service VMs
instead of agents and namespaces. Octavia calls out to Nova to create
VMs and inside those VMs is an agent that talks back to Octavia, and
that creates an haproxy instance to perform the actual loadbalancing.
The answer to both of your questions depends on which of these two
implementations you're going with. There's a bunch of summit sessions
about Octavia you can look in to.
>
> Thanks
> Akshay
>
> On Thu, Jun 23, 2016 at 1:00 AM, Assaf Muller <assaf at redhat.com> wrote:
>>
>> On Wed, Jun 22, 2016 at 3:17 PM, Akshay Kumar Sanghai
>> <akshaykumarsanghai at gmail.com> wrote:
>> > Hi,
>> > I have a multinode openstack installation (3 controller, 3 network
>> > nodes,
>> > and some compute nodes).
>> > Like l3 agent, is high availability feature available for the lbaas v2
>> > agent?
>>
>> It is not. Nir Magnezi is working on a couple of patches to implement
>> a simplistic HA solution for LBaaS v2 with haproxy:
>> https://review.openstack.org/#/c/299998/
>> https://review.openstack.org/#/c/327966/
>>
>> >
>> > Thanks
>> > Akshay
>> >
>> >
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