Since 2015 CNAF departments can take advantage of a common provisioning system based on Foreman/Puppet to install and configure heterogeneous sets of physical and virtual machines.
During 2017 and 2018, the CNAF provisioning system, preciously based on Puppet~\cite{ref:puppet} version 3, has been upgraded, since that version has reached "End-of-life" at 31/12/2016.
During 2017 and 2018, the CNAF provisioning system, preciously based on Puppet~\cite{ref:puppet} version 3, has been upgraded, since that version has reached ``End-of-life'' at 31/12/2016.
Due to other higher priority tasks, the start of this activity was postponed to 2017.
In this report we are going to describe activities that have been carried on in order to finalize the migration from Puppet 3 to Puppet 5.
