Open Stack

On Sun, May 20, 2018 at 03:05:34PM +0200, Thomas Goirand wrote:
> On 05/19/2018 07:54 PM, Matthew Treinish wrote:
> > On Sat, May 19, 2018 at 07:04:53PM +0200, Thomas Goirand wrote:
> >> using:
> >> - RBD backend
> >> - swift backend
> >> - swift+rgw
> > 
> > As for the backend store choice I don't have any personal experience using
> > either of these 3 as a backend store. That being said your choice of store
> > should be independent from the getting glance-api deployed behind uwsgi
> > and a webserver. 
> > 
> > Although, you might have trouble with swift on py3, because IIRC that still
> > isn't working. (unless something changed recently) But, the store config is
> > really independent from getting the api to receive and handle api requests
> > properly. 
> 
> Thanks for these details. What exactly is the trouble with the Swift
> backend? Do you know? Is anyone working on fixing it? At my company,
> we'd be happy to work on that (if of course, it's not too time demanding).
> 

Sorry I didn't mean the swift backend, but swift itself under python3:

https://wiki.openstack.org/wiki/Python3#OpenStack_applications_.28tc:approved-release.29

If you're trying to deploy everything under python3 I don't think you'll be
able to deploy swift. But if you already have a swift running then the glance
backend should work fine under pythom 3.

> >>> The issues glance has with running in a wsgi app are related to it's
> >>> use of async tasks via taskflow. (which includes the tasks api and
> >>> image import stuff) This shouldn't be hard to fix, and I've had
> >>> patches up to address these for months:
> >>>
> >>> https://review.openstack.org/#/c/531498/
> >>> https://review.openstack.org/#/c/549743/
> >>
> >> Do I need to backport these patches to Queens to run Glance the way I
> >> described? Will it also fix running Glance with mod_wsgi?
> > 
> > These patches are independent of getting things working for you. They
> > are only required for 2 API features in glance to work. The tasks api and
> > the image import api (which was added in queens). You don't need either
> > to upload images by default, and the patches will only ever be necessary
> > if you have something using those APIs (which personally I've never
> > encountered in the wild). There is also no test coverage in tempest or
> > any external test suite using these apis that I'm aware of so your CI
> > likely won't even be blocked by this. (which is how this situation
> > arose in the first place)
> 
> Allright, So hopefully, I'm very close from having Debian to gate
> properly in puppet-openstack upstream. As much as I could tell, Glance
> and Cinder are the only pieces that are still failing with SSL (and
> everything works already without SSL), so I must be very close to a nice
> result (after a course of nearly 2 months already).
> 
> Thanks again for all the very valuable details that you provided. I have
> to admit that I was starting to loose faith in the project, because of
> all the frustration of not finding a working solution.
> 
> I'll let the list knows when I have something that fully works and
> gating with puppet-openstack, of course.
> 
> Cheers,
> 
> Thomas Goirand (zigo)
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