We use Puppet for about 1200 Linux machines. This talk will recount our journey in upgrading from Puppet 7 to Puppet 8. I will talk about the incompatible changes to be aware of, how we handled them, and general strategy for handling Puppet major upgrades.
The talk will cover:
- our Puppetserver architecture
- changes in Puppet 8 like legacy facts and Ruby 3.2
- how to prepare for any Puppet major upgrade
- how to prepare for the Puppet 8 changes specifically
- things that the ecosystem could do better
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