[openstack-dev] [glance][nova] how to upgrade from v1 to v2?

Chris Hoge chris at openstack.org
Fri Sep 25 23:37:55 UTC 2015


> On Sep 25, 2015, at 10:12 AM, Andrew Laski <andrew at lascii.com> wrote:
> 
> I understand that reasoning, but still am unsure on a few things.
> 
> The direction seems to be moving towards having a requirement that the same functionality is offered in two places, Nova API and Glance V2 API. That seems like it would fragment adoption rather than unify it.

My hope would be that proxies would be deprecated as new capabilities
moved in. Some of this will be driven by application developers too,
though. We’re looking at an interoperability standard, which has a
natural tension between backwards compatibility and new features.

> 
> Also after digging in on image-create I feel that there may be a mixup.  The image-create in Glance and image-create in Nova are two different things. In Glance you create an image and send the disk image data in the request, in Nova an image-create takes a snapshot of the instance provided in the request.  But it seems like DefCore is treating them as equivalent unless I'm misunderstanding.
> 
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