<%
require 'ipaddr'
# it's a bit confusing where values are coming from, so we are doing lookup to clarify
ilo_hostname = scope.lookupvar("::hostname")
ilo_netmask  = scope.lookupvar("hpilo::netmask")
ilo_domain   = scope.lookupvar("::domain")

# caculate ipaddress automatically or use manual settings.
if mapping == 'automatic'
  ip     = IPAddr.new(ipaddress)
  mask   = IPAddr.new(netmask)
  ilo    = IPAddr.new(ilo_network)
  gwhost = IPAddr.new(ilo_gwhost)
  if ilo_host
    host  = (ip.to_i & mask.to_i).to_i + IPAddr.new(ilo_host).to_i
    ilogw = (ip.to_i & mask.to_i).to_i + gwhost.to_i
  else
    host  = ilo.to_i + (ip.to_i & (~mask).to_i).to_i
    ilogw = ilo.to_i + gwhost.to_i
  end
  ilo_ipaddress = IPAddr.new(host, Socket::AF_INET).to_s
  ilo_gateway   = IPAddr.new(ilogw, Socket::AF_INET).to_s
else
  ilo_ipaddress = scope.lookupvar("hpilo::ip")
  ilo_gateway   = scope.lookupvar("hpilo::gateway")
end
-%>