client icinga {
  ipaddr = ${icinga_radius_cidr}
  secret = ${icinga_radius_secret}
}

$(for client_name in $radius_clients; do
  eval "client_address=\$radius_${client_name}_address"
  eval "client_secret=\$radius_${client_name}_secret"
  cat <<EOF
client ${client_name} {
  ipaddr = ${client_address}
  secret = ${client_secret}
}

EOF
done)