nix-config/nixos/modules/ddns.nix
2022-08-04 21:13:54 +02:00

53 lines
1.2 KiB
Nix

{ config
, pkgs
, lib
, ...
}:
with lib; let
cfg = config.dadada.ddns;
ddnsConfig = hostNames: {
systemd.timers = listToAttrs (forEach hostNames (hostname:
nameValuePair "ddns-${hostname}"
{
wantedBy = [ "timers.target" ];
partOf = [ "ddns-${hostname}.service" ];
timerConfig.OnCalendar = "hourly";
}));
systemd.services = listToAttrs (forEach hostNames (hostname:
nameValuePair "ddns-${hostname}"
{
serviceConfig.Type = "oneshot";
script = ''
function url() {
echo "https://svc.joker.com/nic/update?username=$1&password=$2&hostname=$3"
}
IFS=':'
read -r user password < /var/lib/ddns/credentials
unset IFS
curl_url=$(url "$user" "$password" ${hostname})
${pkgs.curl}/bin/curl -4 "$curl_url"
${pkgs.curl}/bin/curl -6 "$curl_url"
'';
}));
};
in
{
options = {
dadada.ddns.domains = mkOption {
type = types.listOf types.str;
description = ''
Enables DDNS for these domains.
'';
example = ''
[ "example.com" ]
'';
default = [ ];
};
};
config = ddnsConfig cfg.domains;
}