1{ config, lib, pkgs, options }:
2
3with lib;
4
5let
6 cfg = config.services.prometheus.exporters.tor;
7in
8{
9 port = 9130;
10 extraOpts = {
11 torControlAddress = mkOption {
12 type = types.str;
13 default = "127.0.0.1";
14 description = lib.mdDoc ''
15 Tor control IP address or hostname.
16 '';
17 };
18
19 torControlPort = mkOption {
20 type = types.port;
21 default = 9051;
22 description = lib.mdDoc ''
23 Tor control port.
24 '';
25 };
26 };
27 serviceOpts = {
28 serviceConfig = {
29 ExecStart = ''
30 ${pkgs.prometheus-tor-exporter}/bin/prometheus-tor-exporter \
31 -b ${cfg.listenAddress} \
32 -p ${toString cfg.port} \
33 -a ${cfg.torControlAddress} \
34 -c ${toString cfg.torControlPort} \
35 ${concatStringsSep " \\\n " cfg.extraFlags}
36 '';
37 };
38
39 # CPython requires a process to either have $HOME defined or run as a UID
40 # defined in /etc/passwd. The latter is false with DynamicUser, so define a
41 # dummy $HOME. https://bugs.python.org/issue10496
42 environment = { HOME = "/var/empty"; };
43 };
44}