[openstack-dev] [Neutron] Issue when upgrading from Juno to Kilo due to agent report_state RPC namespace patch
Miguel Ángel Ajo
majopela at redhat.com
Wed Mar 4 16:23:47 UTC 2015
I agree with Assaf, this is an issue across updates, and
we may want (if that’s technically possible) to provide
access to those functions with/without namespace.
Or otherwise think about reverting for now until we find a
Miguel Ángel Ajo
On Wednesday, 4 de March de 2015 at 17:00, Assaf Muller wrote:
> Hello everyone,
> I'd like to highlight an issue with:
> According to my understanding, most deployments upgrade the controllers first
> and compute/network nodes later. During that time period, all agents will
> fail to report state as they're sending the report_state message outside
> of any namespace while the server is expecting that message in a namespace.
> This is a show stopper as the Neutron server will think all of its agents are dead.
> I think the obvious solution is to modify the Neutron server code so that
> it accepts the report_state method both in and outside of the report_state
> RPC namespace and chuck that code away in L (Assuming we support rolling upgrades
> only from version N to N+1, which while is unfortunate, is the behavior I've
> seen in multiple places in the code).
> Finally, are there additional similar issues for other RPC methods placed in a namespace
> this cycle?
> Assaf Muller, Cloud Networking Engineer
> Red Hat
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