example42/puppet-sudo — pull request #7 by erik-smit (2013-02-03 14:14:28+00:00)
Title: EL5 has Sudo 1.7.2, but the distro-provided /etc/sudoers does not contain #includedir or create /etc/sudoers.d.

This module could also replace the /etc/sudoers with one that includes #includedir and create /etc/sudoers.d, but I think the current solution is less intrusive/unexpected.