[openstack-dev] [Neutron][LBaaS][Octavia] Should subnet be optional on member create?

Jain, Vivek VIVEKJAIN at ebay.com
Mon Jan 18 19:14:08 UTC 2016


If member port (IP address) is allocated by neutron, then why do we need to specify it explicitly? It can be derived by LBaaS driver implicitly.

Thanks,
Vivek






On 1/17/16, 1:05 AM, "Samuel Bercovici" <SamuelB at Radware.com> wrote:

>Btw.
>
>I am still in favor on associating the subnets to the LB and then not specify them per node at all.
>
>-Sam.
>
>
>-----Original Message-----
>From: Samuel Bercovici [mailto:SamuelB at Radware.com] 
>Sent: Sunday, January 17, 2016 10:14 AM
>To: OpenStack Development Mailing List (not for usage questions)
>Subject: Re: [openstack-dev] [Neutron][LBaaS][Octavia] Should subnet be optional on member create?
>
>+1
>Subnet should be mandatory
>
>The only thing this makes supporting load balancing servers which are not running in the cloud more challenging to support.
>But I do not see this as a huge user story (lb in cloud load balancing IPs outside the cloud)
>
>-Sam.
>
>-----Original Message-----
>From: Brandon Logan [mailto:brandon.logan at RACKSPACE.COM] 
>Sent: Saturday, January 16, 2016 6:56 AM
>To: openstack-dev at lists.openstack.org
>Subject: [openstack-dev] [Neutron][LBaaS][Octavia] Should subnet be optional on member create?
>
>I filed a bug [1] a while ago that subnet_id should be an optional parameter for member creation.  Currently it is required.  Review [2] is makes it optional.
>
>The original thinking was that if the load balancer is ever connected to that same subnet, be it by another member on that subnet or the vip on that subnet, then the user does not need to specify the subnet for new member if that new member is on one of those subnets.
>
>At the midcycle we discussed it and we had an informal agreement that it required too many assumptions on the part of the end user, neutron lbaas, and driver.
>
>If anyone wants to voice their opinion on this matter, do so on the bug report, review, or in response to this thread.  Otherwise, it'll probably be abandoned and not done at some point.
>
>Thanks,
>Brandon
>
>[1] https://bugs.launchpad.net/neutron/+bug/1426248
>[2] https://review.openstack.org/#/c/267935/
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