pyrox.dev
1{ config, lib, pkgs }:
2
3with lib;
4
5let
6 cfg = config.services.prometheus.exporters.snmp;
7in
8{
9 port = 9116;
10 extraOpts = {
11 configurationPath = mkOption {
12 type = types.nullOr types.path;
13 default = null;
14 description = ''
15 Path to a snmp exporter configuration file. Mutually exclusive with 'configuration' option.
16 '';
17 example = "./snmp.yml";
18 };
19
20 configuration = mkOption {
21 type = types.nullOr types.attrs;
22 default = {};
23 description = ''
24 Snmp exporter configuration as nix attribute set. Mutually exclusive with 'configurationPath' option.
25 '';
26 example = ''
27 {
28 "default" = {
29 "version" = 2;
30 "auth" = {
31 "community" = "public";
32 };
33 };
34 };
35 '';
36 };
37
38 logFormat = mkOption {
39 type = types.str;
40 default = "logger:stderr";
41 description = ''
42 Set the log target and format.
43 '';
44 };
45
46 logLevel = mkOption {
47 type = types.enum ["debug" "info" "warn" "error" "fatal"];
48 default = "info";
49 description = ''
50 Only log messages with the given severity or above.
51 '';
52 };
53 };
54 serviceOpts = let
55 configFile = if cfg.configurationPath != null
56 then cfg.configurationPath
57 else "${pkgs.writeText "snmp-eporter-conf.yml" (builtins.toJSON cfg.configuration)}";
58 in {
59 serviceConfig = {
60 DynamicUser = true;
61 ExecStart = ''
62 ${pkgs.prometheus-snmp-exporter.bin}/bin/snmp_exporter \
63 -config.file ${configFile} \
64 -log.format ${cfg.logFormat} \
65 -log.level ${cfg.logLevel} \
66 -web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
67 ${concatStringsSep " \\\n " cfg.extraFlags}
68 '';
69 };
70 };
71}