# yum.pp

class yum {

    case $operatingsystem {
        CentOS: {
            remotefile { "/etc/yum.repos.d/CentOS-base.repo":
                mode => 444, owner => root, group => root,
                source => "/common/etc/yum.repos.d/CentOS-base.repo"
            }
        }
    }
}