[openstack-dev] [tc][nova][mogan] How to show respect to the original authors?

Zhenguo Niu niu.zglinux at gmail.com
Fri Sep 22 01:46:41 UTC 2017

On Thu, Sep 21, 2017 at 1:33 PM, Clint Byrum <clint at fewbar.com> wrote:

> Excerpts from Michael Still's message of 2017-09-20 10:25:17 -0600:
> > Dims, I'm not sure that's actually possible though. Many of these files
> > have been through rewrites and developed over a large number of years.
> > Listing all authors isn't practical.
> >
> > Given the horse has bolted on forking these files, I feel like a comment
> > acknowledging the original source file is probably sufficient.
> >
> > What is concerning to me is that some of these files are part of the
> "ABI"
> > of nova, and if mogan diverges from that then I think we're going to see
> > user complaints in the future. Specifically configdrive, and metadata
> seem
> > like examples of this. I don't want to see us end up in another "managed
> > cut and paste" like early oslo where nova continues to develop these and
> > mogan doesn't notice the changes.
> >
> > I'm not sure how we resolve that. One option would be to refactor these
> > files into a shared library.
> >
> Agreed 100%. It would be better to have something completely different
> than something that works 97% the same but constantly skews.
> Luckily, since these things are part of the ABI of Nova, they are
> versioned in many cases, and in all have a well defined interfaces on
> one side. Seems like it should be relatively straight forward to wrap
> the other side of them and call it a library.
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Sounds great if we can call these ABI as a library, but seems still need
some refactoring on Nova side to make other projects be able to leverage it.

Best Regards,
Zhenguo Niu
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