[openstack-dev] [all] re-introducing twisted to global-requirements

Dmitry Tantsur divius.inside at gmail.com
Thu Jan 7 19:35:25 UTC 2016

2016-01-07 20:09 GMT+01:00 Jim Rollenhagen <jim at jimrollenhagen.com>:

> Hi all,
> A change to global-requirements[1] introduces mimic, which is an http
> server that can mock various APIs, including nova and ironic, including
> control of error codes and timeouts. The ironic team plans to use this
> for testing python-ironicclient without standing up a full ironic
> environment.
> Here's the catch - mimic is built on twisted. I know twisted was
> previously removed from OpenStack (or at least people said "pls no", I
> don't know the full history). We didn't intend to stealth-introduce
> twisted back into g-r, but it was pointed out to me that it may appear
> this way, so here I am letting everyone know. lifeless pointed out that
> when tests are failing, people may end up digging into mimic or twisted
> code, which most people in this community aren't familiar with AFAIK,
> which is a valid point though I hope it isn't required often.

Btw, I've spent some amount of time (5 years?) with twisted on my previous
jobs. While my memory is no longer fresh on it, I can definitely be pinged
to help with it, if problems appear.

> So, the primary question here is: do folks have a problem with adding
> twisted here? We're holding off on Ironic changes that depend on this
> until this discussion has happened, but aren't reverting the g-r change
> until we decide one way or another.
> // jim
> [1] https://review.openstack.org/#/c/220268/
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-- Dmitry Tantsur
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