[openstack-dev] [nova][glance] Proposal to remove `nova image-*` commands from novaclient

Flavio Percoco flavio at redhat.com
Wed Apr 6 14:58:48 UTC 2016

On 06/04/16 08:26 -0400, Sean Dague wrote:
>On 04/06/2016 04:13 AM, Markus Zoeller wrote:
>> +1 for deprecation and removal
>> To be honest, when I started with Nova during Kilo, I didn't get
>> why we have those passthrough APIs. They looked like convenience APIs.
>> A short history lesson, why they got introduced, would be cool. I only
>> found commit [1] which looks like they were there from the beginning.
>> References:
>> [1]
>> https://github.com/openstack/python-novaclient/commit/7304ed80df265b3b11a0018a826ce2e38c052572#diff-56f10b3a40a197d5691da75c2b847d31R33
>The short history lesson is nova image API existed before glance. Glance
>was a spin out from Nova of that API. Doing so doesn't immediately make
>that API go away however. Especially as all these things live on
>different ports with different end points. So the image API remained as
>a proxy (as did volumes, baremetal, and even to some extend networks).
>It's not super clear how you deprecate and remove these things without
>breaking a lot of people, as a lot of the libraries implement the nova
>image resources -

We can deprecate it without removing it. We make it work with v2 and start
warning people that the API is not supported anymore. We don't fix bugs in that
API but tell people to use the newer version.

I think that should do it, unless I'm missing something.

>	-Sean
>Sean Dague
>OpenStack Development Mailing List (not for usage questions)
>Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe

Flavio Percoco
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