Issue #3806 has been updated by Charlie Sharpsteen.

Assignee set to Charlie Sharpsteen

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Feature #3806: Atomic Puppet
https://projects.puppetlabs.com/issues/3806#change-87320

* Author: Trevor Vaughan
* Status: Accepted
* Priority: Normal
* Assignee: Charlie Sharpsteen
* Category: transactions
* Target version: 
* Affected Puppet version: 
* Keywords: atomic transactions
* Branch: 
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Per the mailing  list:

I thought I'd toss this idea out here to get pointed and laughed at
before I Redmine'd it.

I ran into the fun situation recently where I needed puppet to be more
atomic.

Basically:

(A) Update file -> (B) Restart Service

But...for some reason puppet got interrupted precisely between A and B!

So, the next time puppet ran, my system wasn't in the state that I had
described, instead the file had been updated but the service had not
been triggered.

This got me thinking about the concept of atomic puppet updates. It
shouldn't be too difficult to write to disk/register the state of the
operations as they happen and to be able to pick back up by default if a
run is interrupted.

I say this, of course, completely tongue-in-cheek as the last graph
discussion I jumped into went on for tons of messages!



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