[openstack-dev] [keystone][api] Backwards incompatible changes based on config
mtreinish at kortar.org
Fri Aug 4 19:52:28 UTC 2017
On Fri, Aug 04, 2017 at 03:35:38PM -0400, William M Edmonds wrote:
> Lance Bragstad <lbragstad at gmail.com> wrote on 08/04/2017 02:37:40 PM:
> > Properly fixing this would result in a 403 -> 204 status code, which
> > requires an API version bump according to the interoperability
> > guidelines  (note that keystone has not implemented microversions at
> > this point). At the same time - not fixing the issues results in a 403
> > anytime a project is deleted while in this configuration.
> The guidelines you linked actually say that this is allowed without a
> version bump:
> "There are two types of change which do not require a version change:... or
> responding with success (when the request was properly formed, but the
> server had broken handling)."
That's only for 500-599 response codes. The 'broken handling' there literally
means broken as in the server couldn't handle the request. That bullet point is
saying if you had a 500-599 response fixing the code so it's either a 4XX or a
2XX does not need a version. This specific case needs a version boundary because
you going from a 403 -> 204.
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