[openstack-dev] [qa] [infra] [placement] tempest plugins virtualenv

Matthew Treinish mtreinish at kortar.org
Fri Sep 28 14:10:06 UTC 2018

On Fri, Sep 28, 2018 at 02:39:24PM +0100, Chris Dent wrote:
> I'm still trying to figure out how to properly create a "modern" (as
> in zuul v3 oriented) integration test for placement using gabbi and
> tempest. That work is happening at https://review.openstack.org/#/c/601614/
> There was lots of progress made after the last message on this
> topic http://lists.openstack.org/pipermail/openstack-dev/2018-September/134837.html
> but I've reached another interesting impasse.
> From devstack's standpoint, the way to say "I want to use a tempest
> plugin" is to set TEMPEST_PLUGINS to alist of where the plugins are.
> devstack:lib/tempest then does a:
>     tox -evenv-tempest -- pip install -c $REQUIREMENTS_DIR/upper-constraints.txt $TEMPEST_PLUGINS
> http://logs.openstack.org/14/601614/21/check/placement-tempest-gabbi/f44c185/job-output.txt.gz#_2018-09-28_11_12_58_138163
> I have this part working as expected.
> However,
> The advice is then to create a new job that has a parent of
> devstack-tempest. That zuul job runs a variety of tox environments,
> depending on the setting of the `tox_envlist` var. If you wish to
> use a `tempest_test_regex` (I do) the preferred tox environment is
> 'all'.
> That venv doesn't have the plugin installed, thus no gabbi tests are
> found:
> http://logs.openstack.org/14/601614/21/check/placement-tempest-gabbi/f44c185/job-output.txt.gz#_2018-09-28_11_13_25_798683

Right above this line it shows that the gabbi-tempest plugin is installed in
the venv:


at version 0.1.1. It's a bit weird because it's line wrapped in my browser.
The devstack logs also shows the plugin:


All the tempest tox jobs that run tempest (and the tempest-venv command used by
devstack) run inside the same tox venv:


My guess is that the plugin isn't returning any tests that match the regex.

I'm also a bit alarmed that tempest run is returning 0 there when no tests are
being run. That's definitely a bug because things should fail with no tests
being successfully run.

-Matt Treinish

> How do I get my plugin installed into the right venv while still
> following the guidelines for good zuul behavior?
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