Thanks everybody. While I am trying to digest all the responses, I am here to
reply why we are not considering a driver. We already have an application
which listens to neutron events to do some other stuff, it might just be easier
for us if we reuse this framework and program the LBaasS from there. If we use
driver, there is this added efforts where we need to ask the user to install
our driver, modify the conf file, start the agent and restart neutron. We
might still go back to driver/agent later because it seemed that it helps scale
better.
Thanks Doug, Kevin, Brandon and Kunal! You guys are so helpful. Will have
more questions later....
Wanjing
From: doug...@parksidesoftware.com
Date: Mon, 1 Jun 2015 18:04:02 -0600
To: openstack-dev@lists.openstack.org
Subject: Re: [openstack-dev] [Neutron][LBaaS] No LBaaS agent?
The reference implemenation for lbaas (using haproxy with namespaces) requires
the agent. There are vendor implementations that are agent-less, but not the
reference.
There is a non-agent ref driver for lbaas v2, but there is no horizon support
for v2, and that driver is unsupported beyond dev use.
If I may ask, why do you not want to run the agent?
Thanks,doug
On Jun 1, 2015, at 5:52 PM, Wanjing Xu <wanjing...@hotmail.com> wrote:
Is there a way to add an LBaaS service without having to use neutron
plugin/agent framework?
I want to add a LBaaS service without an LBaaS agent running and still want to
have lb cli and horizon. When the user configure loadbalance via cli or
horizon, neutron will send the events(pool, member, vip create/delete event)in
the notification info queue and our application will listen to the queue and
program the LBaaS box. So far, I have tried to enable the built-in HAProxy
LBaaS(enable the service_plugin to be LoadBalancerPlugin and service provider
to be haproxy). By doing that , horizon and cli are all enabled and our
application can successfully program LBaaS box using the notification events.
The problem with that is that there is a haproxy agent running in the
background although we are not using its function. But if I don't enable the
agent, we can not use horizon. Currently we don't want to write a LBaaS agent
of our own. Is there a way to not to use LBaaS agent and still be able to use
horizon/cli to configure loadbalance? During openstack summit at vancouver, I
saw paypal loadbalance presentation, they use two providers, one is agent , the
other is agentless controller, not sure how that controller works, could not
find it through googling.
RegardsWanjing Xu
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