pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 options,
6 ...
7}:
8
9let
10 cfg = config.services.prometheus.exporters.json;
11 inherit (lib)
12 mkOption
13 types
14 escapeShellArg
15 concatStringsSep
16 mkRemovedOptionModule
17 ;
18in
19{
20 port = 7979;
21 extraOpts = {
22 configFile = mkOption {
23 type = types.path;
24 description = ''
25 Path to configuration file.
26 '';
27 };
28 };
29 serviceOpts = {
30 serviceConfig = {
31 ExecStart = ''
32 ${pkgs.prometheus-json-exporter}/bin/json_exporter \
33 --config.file ${escapeShellArg cfg.configFile} \
34 --web.listen-address="${cfg.listenAddress}:${toString cfg.port}" \
35 ${concatStringsSep " \\\n " cfg.extraFlags}
36 '';
37 };
38 };
39 imports = [
40 (mkRemovedOptionModule [ "url" ] ''
41 This option was removed. The URL of the endpoint serving JSON
42 must now be provided to the exporter by prometheus via the url
43 parameter `target'.
44
45 In prometheus a scrape URL would look like this:
46
47 http://some.json-exporter.host:7979/probe?target=https://example.com/some/json/endpoint
48
49 For more information, take a look at the official documentation
50 (https://github.com/prometheus-community/json_exporter) of the json_exporter.
51 '')
52 ({
53 options.warnings = options.warnings;
54 options.assertions = options.assertions;
55 })
56 ];
57}