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----- Mail original -----
> De: "Lance Bragstad" <lbragstad at gmail.com>
> À: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org>
> Envoyé: Mardi 30 Mai 2017 16:33:17
> Objet: Re: [openstack-dev] [kolla][osprofiler][keystone][neutron][nova] osprofiler in paste deploy files
> 
> On Mon, May 29, 2017 at 4:08 AM, Matthieu Simonin <matthieu.simonin at inria.fr
> > wrote:
> 
> > Hello,
> >
> > I'd like to have more insight on OSProfiler support in paste-deploy files
> > as it seems not similar across projects.
> > As a result, the way you can enable it on Kolla side differs. Here are
> > some examples:
> >
> > a) Nova paste.ini already contains OSProfiler middleware[1].
> >
> > b) Keystone paste.ini doesn't contain OSProfiler but the file is exposed
> > in Kolla-ansible.
> > Thus it can be overwritten[2] by providing an alternate paste file using a
> > node_custom_config directory.
> >
> 
> I'm looking through keystone's sample paste file we keep in the project and
> we do have osprofiler in our v2 and v3 pipelines [0] [1]. It looks like it
> has been in keystone's sample paste file since Mitaka [2]

My bad, Kolla is maintaining a copy (without osprofiler) of the file which will 
replace the one shipped with Keystone (with osprofiler).

> 
> 
> [0]
> https://github.com/openstack/keystone/blob/58d7eaca41f83a52e100cbae9afe7d3faf1b9693/etc/keystone-paste.ini#L43-L44
> [1]
> https://github.com/openstack/keystone/blob/58d7eaca41f83a52e100cbae9afe7d3faf1b9693/etc/keystone-paste.ini#L68
> [2]
> https://github.com/openstack/keystone/commit/639e36adbfa0f58ce2c3f31856b4343e9197aa0e
> 
> 
> >
> > c) Neutron paste.ini doesn't contain OSProfiler middleware[3]. For
> > devstack, a hook can reconfigure the file at deploy time[4].
> > For Kolla, it seems that the only solution right now is to rebuild the
> > whole docker image.
> >
> > As a user of Kolla and OSprofiler a) is the most convenient thing.
> >
> > Regarding b) and c), is it a deliberate choice to ship the paste deploy
> > files without OSProfiler middleware?
> >
> > Do you think we could converge ? ideally having a) for every API services ?
> >
> > Best,
> >
> > Matt
> >
> > [1]: https://github.com/openstack/nova/blob/0d31fb303e07b7ed9f55b9c823b43e
> > 6db5153ee6/etc/nova/api-paste.ini#L29-L37
> > [2]: https://github.com/openstack/kolla-ansible/blob/
> > fe61612ec6db469cccf2d2b4f0bd404ad4ced112/ansible/roles/
> > keystone/tasks/config.yml#L119
> > [3]: https://github.com/openstack/neutron/blob/
> > e4557a7793fbf3461bfae36ead41ee4d349920ab/neutron/tests/
> > contrib/hooks/osprofiler
> > [4]: https://github.com/openstack/neutron/blob/
> > e4557a7793fbf3461bfae36ead41ee4d349920ab/etc/api-paste.ini#L6-L9
> >
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