hashicorp/puppet-bootstrap — pull request #30 by schrepfler (2014-08-12 23:27:42+00:00)
Title: Adding a profile for CentOS/RHEL 7.x

Just copied the 6.x definition and replaced it with the el-7 URL found here: https://docs.puppetlabs.com/guides/install_puppet/install_el.html
I think it might be a good idea to update the older definitions as well.