Open Stack

On Tue, Aug 13, 2013 at 6:56 PM, Clint Byrum <clint at fewbar.com> wrote:

> Excerpts from Alex Gaynor's message of 2013-08-13 14:58:56 -0700:
> > Hi all,
> >
> > (This references this changeset: https://review.openstack.org/#/c/38415/
> )
> >
> > One of the goals I've been working at has been getting swift running on
> > PyPy (and from there, the rest of OpenStack). The last blocking issue in
> > swift is that it currently uses netifaces, which is a C-extension that
> > doesn't on PyPy. I've proposed to replace this dependency with a cffi
> based
> > binding to the system.
>

I assume you have seen
http://vish.everyone.me/running-openstack-nova-with-pypy



> >
> > For those not familiar, cffi is a tool for binding to C libraries,
> similar
> > to ctypes (in the stdlib), except more expressive, less error prone, and
> > faster; some of our downstream dependencies already use it.
> >
> > One of the issues that came up in this review however, is that cffi is
> not
> > packaged in the most recent Ubuntu LTS (and likely other distributions),
> > although it is available in raring, and in a PPA (
> > http://packages.ubuntu.com/raring/python-cffi and
> >
> https://launchpad.net/~pypy/+archive/ppa?field.series_filter=preciserespectively
> ).
> >
> > As a result of this, we wanted to get some feedback on which direction is
> > best to go:
> >
> > a) cffi-only approach, this is obviously the simplest approach, and works
> > everywhere (assuming you can install a PPA, use pip, or similar for cffi)
>
> There are a lot of dependencies of Grizzly and Havana that aren't in
> the official release of Ubuntu 12.04. That is why Canonical created
> the cloud archive, so that users can keep everything that isn't
> "OpenStack+Dependencies" on the LTS.
>
> The fact that cffi is already available in a release makes it even
> more likely that it will be a straight forward backport to the cloud
> archive. However, is Ubuntu 12.04's pypy 1.8 sufficient?  Ubuntu 13.04
> and 12.10 have 1.9, and saucy (the presumed 13.10) has 2.0.2.
>
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>
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