Open Stack

As a reminder we should look through the upgrade release notes each 
release to see if anything should be automated with the "nova-status 
upgrade check" command. I looked over the release notes we do have [1] 
and I couldn't really come up with anything that should obviously be 
added. Mel already wrote one for nova-consoleauth. The only other one I 
could think of maybe was the one about flavors with disk=0, but that 
involves checking policy which is customizable and even then is OK as 
long as disk=0 flavors are used only for volume-backed servers. I don't 
know if it's worth just having a simple upgrade check that looks for 
disk=0 flavors and dumps a warning? Mohammed should probably weigh in 
here. Having a warning that can't be easily ignored in an upgrade check 
might not be great since the return code is 1 for any warnings and if 
tooling is failing on rc!=0 then some deployments could break.

[1] 
https://docs.openstack.org/releasenotes/nova/unreleased.html#upgrade-notes

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Thanks,

Matt