pyrox.dev
1{ config, lib, pkgs, options }:
2
3with lib;
4
5let
6 cfg = config.services.prometheus.exporters.knot;
7in {
8 port = 9433;
9 extraOpts = {
10 knotLibraryPath = mkOption {
11 type = types.str;
12 default = "${pkgs.knot-dns.out}/lib/libknot.so";
13 defaultText = "\${pkgs.knot-dns}/lib/libknot.so";
14 description = ''
15 Path to the library of <package>knot-dns</package>.
16 '';
17 };
18
19 knotSocketPath = mkOption {
20 type = types.str;
21 default = "/run/knot/knot.sock";
22 description = ''
23 Socket path of <citerefentry><refentrytitle>knotd</refentrytitle>
24 <manvolnum>8</manvolnum></citerefentry>.
25 '';
26 };
27
28 knotSocketTimeout = mkOption {
29 type = types.int;
30 default = 2000;
31 description = ''
32 Timeout in seconds.
33 '';
34 };
35 };
36 serviceOpts = {
37 serviceConfig = {
38 ExecStart = ''
39 ${pkgs.prometheus-knot-exporter}/bin/knot_exporter \
40 --web-listen-addr ${cfg.listenAddress} \
41 --web-listen-port ${toString cfg.port} \
42 --knot-library-path ${cfg.knotLibraryPath} \
43 --knot-socket-path ${cfg.knotSocketPath} \
44 --knot-socket-timeout ${toString cfg.knotSocketTimeout} \
45 ${concatStringsSep " \\\n " cfg.extraFlags}
46 '';
47 SupplementaryGroups = [ "knot" ];
48 };
49 };
50}