#/etc/puppet/modules/profile/manifests/linux/config/cert.pp
#class { 'profile::linux::config::cert': arg => 'http://myrep/certs/myCA.pem'

class profile::linux::config::cert ($arg = '',){

    $buf = basename($arg)
    include ca_cert
    ca_cert::ca { $buf :
                    ensure => present,
                    source => $arg,
                }
}