pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5{
6 ###### interface
7
8 options = {
9 services.tinydns = {
10 enable = mkOption {
11 default = false;
12 type = types.bool;
13 description = "Whether to run the tinydns dns server";
14 };
15
16 data = mkOption {
17 type = types.lines;
18 default = "";
19 description = "The DNS data to serve, in the format described by tinydns-data(8)";
20 };
21
22 ip = mkOption {
23 default = "0.0.0.0";
24 type = types.str;
25 description = "IP address on which to listen for connections";
26 };
27 };
28 };
29
30 ###### implementation
31
32 config = mkIf config.services.tinydns.enable {
33 environment.systemPackages = [ pkgs.djbdns ];
34
35 users.users.tinydns.isSystemUser = true;
36
37 systemd.services.tinydns = {
38 description = "djbdns tinydns server";
39 wantedBy = [ "multi-user.target" ];
40 after = [ "network.target" ];
41 path = with pkgs; [ daemontools djbdns ];
42 preStart = ''
43 rm -rf /var/lib/tinydns
44 tinydns-conf tinydns tinydns /var/lib/tinydns ${config.services.tinydns.ip}
45 cd /var/lib/tinydns/root/
46 ln -sf ${pkgs.writeText "tinydns-data" config.services.tinydns.data} data
47 tinydns-data
48 '';
49 script = ''
50 cd /var/lib/tinydns
51 exec ./run
52 '';
53 };
54 };
55}