1{ config, lib, pkgs }:
2
3with lib;
4
5let
6 cfg = config.services.prometheus.exporters.dovecot;
7in
8{
9 port = 9166;
10 extraOpts = {
11 telemetryPath = mkOption {
12 type = types.str;
13 default = "/metrics";
14 description = ''
15 Path under which to expose metrics.
16 '';
17 };
18 socketPath = mkOption {
19 type = types.path;
20 default = "/var/run/dovecot/stats";
21 example = "/var/run/dovecot2/stats";
22 description = ''
23 Path under which the stats socket is placed.
24 The user/group under which the exporter runs,
25 should be able to access the socket in order
26 to scrape the metrics successfully.
27 '';
28 };
29 scopes = mkOption {
30 type = types.listOf types.str;
31 default = [ "user" ];
32 example = [ "user" "global" ];
33 description = ''
34 Stats scopes to query.
35 '';
36 };
37 };
38 serviceOpts = {
39 serviceConfig = {
40 ExecStart = ''
41 ${pkgs.prometheus-dovecot-exporter}/bin/dovecot_exporter \
42 --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
43 --web.telemetry-path ${cfg.telemetryPath} \
44 --dovecot.socket-path ${cfg.socketPath} \
45 --dovecot.scopes ${concatStringsSep "," cfg.scopes} \
46 ${concatStringsSep " \\\n " cfg.extraFlags}
47 '';
48 };
49 };
50}