[openstack-dev] [Neutron] Bump the RPC version required for port_update - AgentNotifierApi
rsblendido at suse.com
Tue Apr 28 10:25:51 UTC 2015
On 04/28/2015 03:24 AM, Armando M. wrote:
> >> UnsupportedVersion error if the version is not bumped in their agent too.
> > Could the server fall back and keep on using the old version of the API? I
> > think that would make for a much nicer experience, especially in face of
> > upgrades. Is this not possible? If it is, then the in vs out matter is not
> > really an issue and out-of-tree code can reflect the change in API at their
> > own pace.
> while it's indeed nicer, it's difficult as port_update is
> an async call (cast) and does not wait for errors
> including UnsupportedVersion.
> Then, let's figure out how to change it!
Russell suggested a way to handle it using a version_cap. It doesn't
seem a trivial change and Russell already mentioned that it adds
complexity. If we feel that it's necessary I can look into it.
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