diff options
Diffstat (limited to 'src/system/on-dhcp-event.sh')
| -rwxr-xr-x | src/system/on-dhcp-event.sh | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/system/on-dhcp-event.sh b/src/system/on-dhcp-event.sh index 3534fe601..e1a9f1884 100755 --- a/src/system/on-dhcp-event.sh +++ b/src/system/on-dhcp-event.sh @@ -17,6 +17,32 @@ fi action=$1 hostsd_client="/usr/bin/vyos-hostsd-client" +get_subnet_domain_name () { + python3 <<EOF +from vyos.kea import kea_get_active_config +from vyos.utils.dict import dict_search_args + +config = kea_get_active_config('4') +shared_networks = dict_search_args(config, 'arguments', f'Dhcp4', 'shared-networks') + +found = False + +if shared_networks: + for network in shared_networks: + for subnet in network[f'subnet4']: + if subnet['id'] == $1: + for option in subnet['option-data']: + if option['name'] == 'domain-name': + print(option['data']) + found = True + + if not found: + for option in network['option-data']: + if option['name'] == 'domain-name': + print(option['data']) +EOF +} + case "$action" in lease4_renew|lease4_recover) exit 0 @@ -45,6 +71,12 @@ case "$action" in client_name=$(echo "host-$client_mac" | tr : -) fi + client_domain=$(get_subnet_domain_name $client_subnet_id) + + if [ -n "$client_domain" ]; then + client_name="$client_name.$client_domain" + fi + $hostsd_client --add-hosts "$client_name,$client_ip" --tag "dhcp-server-$client_ip" --apply done |