pyrox.dev
1{ config, pkgs, lib, ... }:
2
3with pkgs;
4with lib;
5
6let
7
8 cfg = config.services.riemann-tools;
9
10 riemannHost = "${cfg.riemannHost}";
11
12 healthLauncher = writeScriptBin "riemann-health" ''
13 #!/bin/sh
14 exec ${pkgs.riemann-tools}/bin/riemann-health ${builtins.concatStringsSep " " cfg.extraArgs} --host ${riemannHost}
15 '';
16
17
18in {
19
20 options = {
21
22 services.riemann-tools = {
23 enableHealth = mkOption {
24 type = types.bool;
25 default = false;
26 description = lib.mdDoc ''
27 Enable the riemann-health daemon.
28 '';
29 };
30 riemannHost = mkOption {
31 type = types.str;
32 default = "127.0.0.1";
33 description = lib.mdDoc ''
34 Address of the host riemann node. Defaults to localhost.
35 '';
36 };
37 extraArgs = mkOption {
38 type = types.listOf types.str;
39 default = [];
40 description = lib.mdDoc ''
41 A list of commandline-switches forwarded to a riemann-tool.
42 See for example `riemann-health --help` for available options.
43 '';
44 example = ["-p 5555" "--timeout=30" "--attribute=myattribute=42"];
45 };
46 };
47 };
48
49 config = mkIf cfg.enableHealth {
50
51 users.groups.riemanntools.gid = config.ids.gids.riemanntools;
52
53 users.users.riemanntools = {
54 description = "riemann-tools daemon user";
55 uid = config.ids.uids.riemanntools;
56 group = "riemanntools";
57 };
58
59 systemd.services.riemann-health = {
60 wantedBy = [ "multi-user.target" ];
61 path = [ procps ];
62 serviceConfig = {
63 User = "riemanntools";
64 ExecStart = "${healthLauncher}/bin/riemann-health";
65 };
66 };
67
68 };
69
70}