On 10/03/2017 11:12 AM, Clint Byrum wrote:
My personal opinion is that rebuild is an anti-pattern for cloud, and
should be frozen and deprecated. It does nothing but complicate Nova
and present challenges for scaling.
That said, if it must stay as a feature, I don't think updating the
user_data should be a priority. At that point, you've basically created an
entirely new server, and you can already do that by creating an entirely
new server.
If you've got a whole heat stack with multiple resources, and you realize that
you messed up one thing in the template and one of your servers has the wrong
personality/user_data, it can be useful to be able to rebuild that one server
without affecting anything else in the stack. That's just a convenience though.
Chris
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