openstack team mailing list archive

[Gabriel Hurley <Gabriel.Hurley@xxxxxxxxxx>]

With the stipulation that clients will be able to talk to all versions of the API from here on forward, I am totally in favor of this.

    - Gabriel

> -----Original Message-----
> From: openstack-bounces+gabriel.hurley=nebula.com@xxxxxxxxxxxxxxxxxxx
> [mailto:openstack-
> bounces+gabriel.hurley=nebula.com@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Brian Waldon
> Sent: Wednesday, August 08, 2012 3:51 PM
> To: openstack@xxxxxxxxxxxxxxxxxxx
> Subject: [Openstack] Images API v2 Versioning and Glance
> 
> tl;dr - We're going to use minor versioning for the v2 Images API and take a
> more iterative approach to API design and implementation
> 
> Up until this point we have depended on big design up front for the Images
> API. We spent most of Essex talking about v2 without writing any code. At
> the beginning of the Folsom release cycle I took it upon myself to start
> implementing the v2 Images API (which has been rather slow-going). Several
> people have helped, for which I am grateful, but ultimately we didn't finish
> what was needed. Not only did we not finish everything, but there are
> several things in the spec that need to revisit.
> 
> The (possibly incorrect) assumption I have been working under is that we
> would release the v2 API and that would be it - just a major version, no minor
> versioning, no extensions. If we wanted to make changes, we would put
> them in v3.
> 
> That won't work. It has taken two releases to get to this point and we still
> aren't done. The solution as I see it is to use a more iterative
> design/implementation cycle for our APIs. We can't be designing massive API
> specs up front - it doesn't always work. We need to have the flexibility to
> move fast and get to something that works that we are proud of.
> 
> We are going to use minor versioning for the v2 Images API. This means that
> the Folsom release will implement a v2.0 spec, with additional (and already
> identified) features in a v2.1 sometime early in Grizzly.
> 
> Please voice any and all concerns ASAP since we're on a pretty short timeline.
> 
> 
> Brian Waldon
> The People's PTL
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