cat << EOL > /etc/hosts
127.0.0.1   $system_name localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         $system_name localhost localhost.localdomain localhost6 localhost6.localdomain6
#for $iname, $idata in $interfaces.items()
    #if $hostname and $idata["management"] and $idata["static"] and $idata.get("ip_address", "") != ""
$idata["ip_address"] $hostname
    #end if 
#end for
#import os
#set $server_name = $os.uname[1]
$server $server_name
EOL