Since I started learning puppet several weeks ago I wanted to install the client and the server in the same host but using several aliases for the same machine. But there are several funny error related to puppet master and client sharing the same ssl directory: SSL certificate confusion, obscure errors, and SSL revocation horrors.
I took the main ideas from Splitting puppetd from puppetmaster from madduck‘s blog. But using this method you don’t have to create 2 differents ssl directories. Both installations (client and server) will share the same directory. I think it’s easier to implement and maintain.
The golden rule is to create all the SSL stuff (CA, keys, certificates,etc) in the right moment. And you may ask… When is the right moment? After the file /etc/puppet/puppet.conf is created with the certname directive properly updated. As by default puppet create all the SSL stuff using the hostname instead of the alias you want.
This tutorial assume you are using Debian (but should work on its derivatives: Ubuntu, Mint, etc) and have one server with two aliases replying to the same host (via /etc/hosts or DNS) In my case: puppet (server) and mediacenter (client).
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