[openstack-dev] headsup - backwards incompatible change - python-novaclient is incompatible with [some] existing nova environments
Mark McLoughlin
markmc at redhat.com
Fri May 24 11:39:51 UTC 2013
On Fri, 2013-05-24 at 23:29 +1200, Robert Collins wrote:
> I just thought I'd call attention to this -
> https://bugs.launchpad.net/python-novaclient/+bug/1173353
>
> Since https://review.openstack.org/#/c/26365/ landed,
> python-novaclient will trigger a 400 error from nova-api when setting
> quotas, because it supplies an option existing nova doesn't support.
>
> There are no novas running anything in trunk that *can* support it,
> because the nova side of the code hasn't landed.
>
> I think this is another case where we should back it out, and land it
> again with some thought for backwards compat.
Agree - we shouldn't be afraid to do an immediate revert of mistakes
like this and revisit when the heat is out of the situation.
I made a mistake with backwards compat this week in oslo.config - it's
easily done and no-one should take offence at a quick revert for an
issue like this.
Cheers,
Mark.
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