Open Stack

On Wed, Apr 23, 2014 at 4:47 AM, Sean Dague <sean at dague.net> wrote:

> I've spent a couple of days getting to the bottom of:
>
> Bug 1302774 - Failed to detach volume because of volume not found error
> prevents vm teardown
>
> This is an ec2 specific failure path, which mostly looks like a
> combination of a not very good test case and the EC2 code in nova
> collapsing the volume states in a way that seems completely incorrect
> based on what I can read on what's expected from this call.
>
> However, these are symptoms of a bigger issue. The EC2 paths in Nova are
> old, fragile, and error prone. The test coverage for these paths is
> minimal, and largely hasn't evolved in the last year. The last
> substantial addition to the EC2 tests in Tempest was by Burt Holtzman in
> July 2013, Burt has also been contributing to the Nova side, but beyond
> Burt, there basically aren't contributors right now.
>
> I really don't like shipping code in Nova that we know isn't good. With
> very few contributions in this code though, it's defacto, if not
> officially, deprecated.
>
> I'd like to see if there are any more people interested in keeping these
> interfaces functional (by contributing both on the nova and tempest
> sides). If so, great!
>
> If we get to the end of Juno in the current state, I think we need to
> consider actually deprecating the EC2 support in Nova. Because I'm
> pretty sure what we have today actually only works if you are using boto
> on the client side, and doesn't really look like EC2 at any real level
> of inspection.
>

I Agree with this general sentiment.  I would like to see EC2 support stay,
but if no one is maintaining it and we know its broken we should deprecate
it.


>
>         -Sean
>
> --
> Sean Dague
> http://dague.net
>
>
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