liminix-fork/modules/dnsmasq/service.nix
2023-09-04 22:08:07 +01:00

50 lines
1.3 KiB
Nix

{
liminix
, dnsmasq
, serviceFns
, lib
}:
{
interface
, user
, domain
, group
, ranges
, hosts
, upstreams
, resolvconf
}:
let
name = "${interface.name}.dnsmasq";
inherit (liminix.services) longrun;
inherit (lib) concatStrings concatStringsSep mapAttrsToList;
hostOpt = name : { mac, v4, v6, leasetime } @ attrs:
let v6s = concatStrings (map (a : ",[${a}]") v6);
in "--dhcp-host=${mac},${v4}${v6s},${name},${builtins.toString leasetime}";
in
longrun {
inherit name;
dependencies = [ interface ];
run = ''
. ${serviceFns}
${dnsmasq}/bin/dnsmasq \
--user=${user} \
--domain=${domain} \
--group=${group} \
--interface=$(output ${interface} ifname) \
${lib.concatStringsSep " " (builtins.map (r: "--dhcp-range=${r}") ranges)} \
${lib.concatStringsSep " " (builtins.map (r: "--server=${r}") upstreams)} \
--keep-in-foreground \
--dhcp-authoritative \
${if resolvconf != null then "--resolv-file=$(output_path ${resolvconf} resolv.conf)" else "--no-resolv"} \
${lib.concatStringsSep " " (mapAttrsToList hostOpt hosts)} \
--no-hosts \
--log-dhcp \
--enable-ra \
--log-debug \
--log-queries \
--log-facility=- \
--dhcp-leasefile=/run/${name}.leases \
--pid-file=/run/${name}.pid
'';
}