#/etc/puppet/modules/profile/manifests/linux/config/dnscfg.pp
#class { 'profile::linux::config::dnscfg': arg => 'my.second.dom.ain',}
class profile::linux::config::dnscfg ($arg = 'my.dom.ain',){

    case $arg {
              'mydom.ain': { $mynameservers = ['10.10.10.241', '10.10.10.246']}
               default:{ $mynameservers = ['192.168.1.2', '192.168.1.3', '192.168.1.4']}
               }

    class { 'resolv_conf':
            domainname => $arg,
            nameservers => $mynameservers,
           }
}