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Change the workflow to be:
Upgrade all packages before any services that is notified & managed by
Puppet.
It also disable the Exec timeout so we rely on Heat timeout and not on
the 300s that are the default in Puppet [1]
Example: we upgrade and OpenStack config will change (obviously).
Puppet catalog will contain 3 important things:
* config resources
* service resources
* package-upgrade Exec resource
with that patch, what will happen:
* puppet will update config first or second and notify
services
* puppet will run package-upgrade first or second but before
the package-upgrade Exec resource
* at the very end, puppet will restart services
That way, we avoid complications with Puppet dependency cycle issues.
[1] https://docs.puppetlabs.com/references/latest/type.html#exec-attribute-timeout
Closes-Bug: 1536349
Change-Id: I07310bdfc5b07b03ac9fa5f8c13e87eaa2bfef4d
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