On Sep 10, 2014, at 4:34 PM, Yuriy Taraday <yorik....@gmail.com> wrote:

> On Tue, Sep 9, 2014 at 9:58 PM, Doug Hellmann <d...@doughellmann.com> wrote:
> On Sep 9, 2014, at 10:51 AM, Sean Dague <s...@dague.net> wrote:
> > On 09/09/2014 10:41 AM, Doug Hellmann wrote:
> >>
> >> On Sep 8, 2014, at 8:18 PM, James E. Blair <cor...@inaugust.com> wrote:
> >>
> >>> Sean Dague <s...@dague.net> writes:
> >>>
> >>>> The crux of the issue is that zookeeper python modules are C extensions.
> >>>> So you have to either install from packages (which we don't do in unit
> >>>> tests) or install from pip, which means forcing zookeeper dev packages
> >>>> locally. Realistically this is the same issue we end up with for mysql
> >>>> and pg, but given their wider usage we just forced that pain on 
> >>>> developers.
> >>> ...
> >>>> Which feels like we need some decoupling on our requirements vs. tox
> >>>> targets to get there. CC to Monty and Clark as our super awesome tox
> >>>> hackers to help figure out if there is a path forward here that makes 
> >>>> sense.
> >>>
> >>> From a technical standpoint, all we need to do to make this work is to
> >>> add the zookeeper python client bindings to (test-)requirements.txt.
> >>> But as you point out, that makes it more difficult for developers who
> >>> want to run unit tests locally without having the requisite libraries
> >>> and header files installed.
> >>
> >> I don’t think I’ve ever tried to run any of our unit tests on a box where 
> >> I hadn’t also previously run devstack to install all of those sorts of 
> >> dependencies. Is that unusual?
> >
> > It is for Linux users, running local unit tests is the norm for me.
> To be clear, I run the tests on the same host where I ran devstack, not in a 
> VM. I just use devstack as a way to bootstrap all of the libraries needed for 
> the unit test dependencies. I guess I’m just being lazy. :-)
> You can't run devstack everywhere you code (and want to run tests). I, for 
> example, can't run devstack on my work laptop because I use Gentoo there. And 
> I have MacOS X on my home laptop, so no devstack there too. The latter should 
> be more frequent case in the community.

Sure, I use a Mac but develop OpenStack either on a linux cloud server or a 
local VM, depending on my internet access. I don’t really see any point in 
running the tests in an environment we don’t support.


> That said I never had a problem with emerging (on either of systems) 
> necessary C libraries for tests to run. As long as they don't pull a lot of 
> (or any) Linux-specific dependencies, it's fine.
> For me this issue is the case for setuptools' extras. The only problem with 
> them is that we can't specify them in requirement.txt files currently, so 
> we'd have to add another hack to pbr to gather extra dependencies from files 
> like requirements-<extra_name>.txt or smth like that.
> Then we can provide different tox venvs for diferent extras sets.
> -- 
> Kind regards, Yuriy.
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