[openstack-dev] [Nova] State machines in Nova

Miles Gould mgould at redhat.com
Thu Jun 2 11:33:42 UTC 2016

On 01/06/16 16:45, Joshua Harlow wrote:
> Do u have any more details (perhaps an 'real-life' example that you can
> walk us through) of this and how it played out. It'd be interesting to
> hear (I believe it has happened a few times but I've never heard how it
> was resolved or the details of it).

The most recent example was IIRC the proposed addition of an ADOPTING state:


Here's the log of the meeting where we argued about how to deal with it:


Eventually we put it to a vote, and the "tell the client the truth, even 
if they're too old to handle it properly" side won.


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