pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 cfg = config.services.journalbeat;
7
8 journalbeatYml = pkgs.writeText "journalbeat.yml" ''
9 name: ${cfg.name}
10 tags: ${builtins.toJSON cfg.tags}
11
12 journalbeat.cursor_state_file: ${cfg.stateDir}/cursor-state
13
14 ${cfg.extraConfig}
15 '';
16
17in
18{
19 options = {
20
21 services.journalbeat = {
22
23 enable = mkEnableOption "journalbeat";
24
25 name = mkOption {
26 type = types.str;
27 default = "journalbeat";
28 description = "Name of the beat";
29 };
30
31 tags = mkOption {
32 type = types.listOf types.str;
33 default = [];
34 description = "Tags to place on the shipped log messages";
35 };
36
37 stateDir = mkOption {
38 type = types.str;
39 default = "/var/lib/journalbeat";
40 description = "The state directory. Journalbeat's own logs and other data are stored here.";
41 };
42
43 extraConfig = mkOption {
44 type = types.lines;
45 default = ''
46 journalbeat:
47 seek_position: cursor
48 cursor_seek_fallback: tail
49 write_cursor_state: true
50 cursor_flush_period: 5s
51 clean_field_names: true
52 convert_to_numbers: false
53 move_metadata_to_field: journal
54 default_type: journal
55 '';
56 description = "Any other configuration options you want to add";
57 };
58
59 };
60 };
61
62 config = mkIf cfg.enable {
63
64 systemd.services.journalbeat = with pkgs; {
65 description = "Journalbeat log shipper";
66 wantedBy = [ "multi-user.target" ];
67 preStart = ''
68 mkdir -p ${cfg.stateDir}/data
69 mkdir -p ${cfg.stateDir}/logs
70 '';
71 serviceConfig = {
72 ExecStart = "${pkgs.journalbeat}/bin/journalbeat -c ${journalbeatYml} -path.data ${cfg.stateDir}/data -path.logs ${cfg.stateDir}/logs";
73 };
74 };
75 };
76}