Decide how to manage ecours and other systems with Puppet

Originally created by @intrigeri on #10760 (Redmine)

Now that we’re very soon going to have 2+ machines, we need to decide about what Puppet master they’ll use, and if they’re not going to use lizard’s then we need to decide about their Puppet tree Git repo.

Related issues

Related to #11094 (closed)
Has duplicate tails#10245 (closed)
Blocks #9484 (closed)
Blocks #8647 (closed)
Blocks #6250 (closed)

Edited May 15, 2020 by intrigeri

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