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On 07/11/2017 09:28 PM, Mathieu Gagné wrote:
> Hi,
>
> So this email is relevant to my interests as an operator. =)

Glad to hear it!

>
> On Tue, Jul 11, 2017 at 9:35 PM, Lance Bragstad <lbragstad at gmail.com
> <mailto:lbragstad at gmail.com>> wrote:
>
>     *The future of the templated catalog backend*
>
>     Some issues were uncovered, or just resurfaced, with the templated
>     catalog backend. The net of the discussion boiled down to - do we
>     fix it or remove it? The answer actually ended up being both. It
>     was determined that instead of trying to maintain and fix the
>     existing templated backend, we should deprecate it for removal
>     [0]. Since it does provide some value, it was suggested that we
>     can start implementing a new backend based on YAML to fill the
>     purpose instead. The advantage here is that the approach is
>     directed towards a specific format (YAML). This should hopefully
>     make things easier for both developers and users.
>
>     [0] https://review.openstack.org/#/c/482714/
>     <https://review.openstack.org/#/c/482714/>​
>
>
> We have been exclusively using the templated catalog backend for at
> least 5 years without any major issues. And it looks like we are now
> among the < 3% using templated according to the April 2017 user survey. 
> ¯\_(ツ)_/¯
>
> We choose the templated catalog backend for its simplicity (especially
> with our CMS) and because it makes no sense (to me) to use and rely on an 
> SQL server to serve what is essentially static content
> ​.​
>
>
> Regarding the v3 catalog support, we do have an in-house fix we
> intended to upstream
> ​ very soon (and just did right now)​
> . [1]
>
>
> So if the templated catalog backend gets deprecated, 
> ​my wish would be to have access to
>  a
> ​n alternate​
> ​ file based
> ​ implementation​, a production grade implementation
>  ready to be used
> ​ before I get spammed with deprecation warnings in the keystone logs.

I think that is fair. Morgan was working on an implementation yesterday,
but I don't think anything made it to Gerrit. As soon as it does, I'll
be sure to update the thread. Thanks for speaking up!

>
> Thanks
>
> [1] https://review.openstack.org/#/c/482766/
>
> --
> Mathieu
>
>
>
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