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The second seem to be better suited for per driver requirement handling and per HW type per function.
Which option is easier to handle for container per dependency for the future?


Thanks,
Arkady

-----Original Message-----
From: Doug Hellmann [mailto:doug at doughellmann.com] 
Sent: Monday, October 30, 2017 2:47 PM
To: openstack-dev <openstack-dev at lists.openstack.org>
Subject: Re: [openstack-dev] [ironic] [requirements] moving driver dependencies to global-requirements?

Excerpts from Dmitry Tantsur's message of 2017-10-30 17:51:49 +0100:
> Hi all,
> 
> So far driver requirements [1] have been managed outside of global-requirements. 
> This was mostly necessary because some dependencies were not on PyPI. 
> This is no longer the case, and I'd like to consider managing them 
> just like any other dependencies. Pros:
> 1. making these dependencies (and their versions) more visible for 
> packagers 2. following the same policies for regular and driver 
> dependencies 3. ensuring co-installability of these dependencies with 
> each other and with the remaining openstack 4. potentially using 
> upper-constraints in 3rd party CI to test what packagers will probably 
> package 5. we'll be able to finally create a tox job running unit 
> tests with all these dependencies installed (FYI these often breaks in 
> RDO CI)
> 
> Cons:
> 1. more work for both the requirements team and the vendor teams 2. 
> inability to use ironic release notes to explain driver requirements 
> changes 3. any objections from the requirements team?
> 
> If we make this change, we'll drop driver-requirements.txt, and will 
> use setuptools extras to list then in setup.cfg (this way is supported 
> by g-r) similar to what we do in ironicclient [2].
> 
> We either will have one list:
> 
> [extras]
> drivers =
>    sushy>=a.b
>    python-dracclient>=x.y
>    python-prolianutils>=v.w
>    ...
> 
> or (and I like this more) we'll have a list per hardware type:
> 
> [extras]
> redfish =
>    sushy>=a.b
> idrac =
>    python-dracclient>=x.y
> ilo =
>    ...
> ...
> 
> WDYT?

The second option is what I would expect.

Doug

> 
> [1] 
> https://github.com/openstack/ironic/blob/master/driver-requirements.tx
> t [2] 
> https://github.com/openstack/python-ironicclient/blob/master/setup.cfg
> #L115
> 

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