I will look at this over the weekend.  Note that Blobstore has more
interesting uses of async due to clear container, multi-part upload, and
others.  Can we use some fake sameThreadExecutor shims to work around
keystone async in the short-term?

On Thu, Aug 22, 2013 at 01:43:05PM -0400, Andrew Bayer wrote:
> I think all I need is someone who knows blobstore to get the blobstore
> abstraction able to support not having async - I can probably go nuts for a
> few days and get all the blobstore implementations de-asynced once the
> abstraction is ready.
> 
> A.
> 
> 
> On Thu, Aug 22, 2013 at 1:17 PM, Andrew Gaul <[email protected]> wrote:
> 
> > On Wed, Aug 21, 2013 at 09:40:06PM -0400, Andrew Bayer wrote:
> > > So most of the compute providers/APIs in core are now async-free on
> > master
> > > - the only exceptions I can think of off the top of my head are the
> > vcloud
> > > ones, the old rackspace ones, and the nova ones. The vcloud ones I'll get
> > > around to sometime in the next couple weeks - that's just a matter of
> > > gutting them out. But the rackspace/nova ones are a lot hairier.
> > >
> > > When I tried de-asyncing the cloudservers API, I found I had to de-async
> > > the keystone v1 API as well - and that can't actually go live until
> > > cloudfiles is able to de-async too. I haven't verified, but I'm pretty
> > sure
> > > it's the same situation for nova/keystone/swift. And cloudfiles/swift
> > can't
> > > de-async until blobstore itself supports non-async.
> > >
> > > So this brings up an important question. We're about 6 weeks from the
> > > target date for 1.7.0 - can we actually get the blobstore stuff
> > de-asynced
> > > by then? Or are we going to need to push the de-async completion back
> > 'til
> > > 1.7.1/2/3/whatever? How high a priority should this be?
> >
> > I prefer to keep the date for 1.7.0 above all; we have features waiting
> > for this release and we should not delay it.  Also, maintaining 1.6.x
> > will become increasingly difficult as the two branches diverge.
> > Blobstore can remain async in 1.7.0 and we can address this in 1.8.0
> > (1.7.x feels inappropriate).  However, we have so much progress on
> > de-async for compute, let's do the minimum work on cloudfiles/swift to
> > complete compute.  I will step up for some of this, however, I do not
> > understand how this interacts with some of the Swift rewrite work and
> > perhaps someone at Rackspace can explain this and help me out as well?
> >
> > --
> > Andrew Gaul
> > http://gaul.org/
> >

-- 
Andrew Gaul
http://gaul.org/

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