[Openstack-stable-maint] [openstack-dev] Proposed RPC API change on nova stable/folsom

Russell Bryant rbryant at redhat.com
Thu Nov 1 20:34:39 UTC 2012


On 11/01/2012 12:12 PM, Mark McLoughlin wrote:
> Hey,
> 
> For the first time (that I'm aware of) we have a request to include a
> backport on the stable branch which includes a change to the RPC API:
> 
>   https://review.openstack.org/14754
> 
> This is troublesome for a couple of reasons:
> 
>   1) People upgrading to a version which includes this change would 
>      need to be aware that they should update their compute services
>      before updating their API services
> 
>   2) While in this case we're backporting the first RPC API change 
>      since Folsom (i.e. version 2.2 was in Folsom, this is version 2.3)
>      if we were backporting a later API version we would have to give 
>      up on retaining Folsom compatibility in Grizzly
> 
> In this particular case, I'm somewhat hopeful we might be able to figure
> out a fix which doesn't involve the API change but that remains to be
> seen.
> 
> Any ideas?

It looks like Vish took care of it.  The new version maintains rpc API
backwards compat.

https://review.openstack.org/#/c/14754/2/nova/compute/manager.py

-- 
Russell Bryant



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