On 06/15/2015 03:45 PM, Kevin L. Mitchell wrote:
> On Mon, 2015-06-15 at 13:07 -0400, Jay Pipes wrote:
>> The original spec said that the HTTP header should contain the name of
>> the service type returned by the Keystone service catalog (which is also
>> the official name of the REST API). I don't understand why the spec was
>> changed retroactively and why Nova has been changed to return
>> X-OpenStack-Nova-API-Version instead of X-OpenStack-Compute-API-Version
>> HTTP headers [4].
>
> Given the disagreement evinced by the responses to this thread, let me
> ask a question: Would there be any particular problem with using
> "X-OpenStack-API-Version"?
So, here is my concern with not having the project namespacing at all:
Our expectation is that services are going to move towards real wsgi on
their API instead of eventlet. Which is, hopefully, naturally going to
give you things like this:
GET api.server/compute/servers
GET api.server/baremetal/chasis
In such a world it will end up possibly confusing that
OpenStack-API-Version 2.500 is returned from api.server/compute/servers,
but OpenStack-API-Version 1.200 is returned from
api.server/baremetal/chasis.
>From an outsider looking in that seems very unexpected.
So I think we still need service level namespacing on the version header
for clarity of understanding by application writers, by people filing
support tickets, and by people running these services.
-Sean
--
Sean Dague
http://dague.net
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