pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 cfg = config.services.opentsdb;
7
8 configFile = pkgs.writeText "opentsdb.conf" cfg.config;
9
10in {
11
12 ###### interface
13
14 options = {
15
16 services.opentsdb = {
17
18 enable = mkEnableOption (lib.mdDoc "OpenTSDB");
19
20 package = mkOption {
21 type = types.package;
22 default = pkgs.opentsdb;
23 defaultText = literalExpression "pkgs.opentsdb";
24 description = lib.mdDoc ''
25 OpenTSDB package to use.
26 '';
27 };
28
29 user = mkOption {
30 type = types.str;
31 default = "opentsdb";
32 description = lib.mdDoc ''
33 User account under which OpenTSDB runs.
34 '';
35 };
36
37 group = mkOption {
38 type = types.str;
39 default = "opentsdb";
40 description = lib.mdDoc ''
41 Group account under which OpenTSDB runs.
42 '';
43 };
44
45 port = mkOption {
46 type = types.port;
47 default = 4242;
48 description = lib.mdDoc ''
49 Which port OpenTSDB listens on.
50 '';
51 };
52
53 config = mkOption {
54 type = types.lines;
55 default = ''
56 tsd.core.auto_create_metrics = true
57 tsd.http.request.enable_chunked = true
58 '';
59 description = lib.mdDoc ''
60 The contents of OpenTSDB's configuration file
61 '';
62 };
63
64 };
65
66 };
67
68 ###### implementation
69
70 config = mkIf config.services.opentsdb.enable {
71
72 systemd.services.opentsdb = {
73 description = "OpenTSDB Server";
74 wantedBy = [ "multi-user.target" ];
75 requires = [ "hbase.service" ];
76
77 environment.JAVA_HOME = "${pkgs.jre}";
78 path = [ pkgs.gnuplot ];
79
80 preStart =
81 ''
82 COMPRESSION=NONE HBASE_HOME=${config.services.hbase.package} ${cfg.package}/share/opentsdb/tools/create_table.sh
83 '';
84
85 serviceConfig = {
86 PermissionsStartOnly = true;
87 User = cfg.user;
88 Group = cfg.group;
89 ExecStart = "${cfg.package}/bin/tsdb tsd --staticroot=${cfg.package}/share/opentsdb/static --cachedir=/tmp/opentsdb --port=${toString cfg.port} --config=${configFile}";
90 };
91 };
92
93 users.users.opentsdb = {
94 description = "OpenTSDB Server user";
95 group = "opentsdb";
96 uid = config.ids.uids.opentsdb;
97 };
98
99 users.groups.opentsdb.gid = config.ids.gids.opentsdb;
100
101 };
102}