un design pattern role/profile
la conf https://www.youtube.com/watch?v=ZpHtOnlSGNY
des blogposts : http://www.craigdunn.org/2012/05/239/ http://sysadvent.blogspot.co.uk/2012/12/day-13-configuration-management-as-legos.html http://www.devco.net/archives/2012/12/13/simple-puppet-module-structure-redux.php