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 = mkOption {
19 type = types.bool;
20 default = false;
21 description = ''
22 Whether to run OpenTSDB.
23 '';
24 };
25
26 package = mkOption {
27 type = types.package;
28 default = pkgs.opentsdb;
29 defaultText = "pkgs.opentsdb";
30 example = literalExample "pkgs.opentsdb";
31 description = ''
32 OpenTSDB package to use.
33 '';
34 };
35
36 user = mkOption {
37 type = types.string;
38 default = "opentsdb";
39 description = ''
40 User account under which OpenTSDB runs.
41 '';
42 };
43
44 group = mkOption {
45 type = types.string;
46 default = "opentsdb";
47 description = ''
48 Group account under which OpenTSDB runs.
49 '';
50 };
51
52 port = mkOption {
53 type = types.int;
54 default = 4242;
55 description = ''
56 Which port OpenTSDB listens on.
57 '';
58 };
59
60 config = mkOption {
61 type = types.lines;
62 default = ''
63 tsd.core.auto_create_metrics = true
64 tsd.http.request.enable_chunked = true
65 '';
66 description = ''
67 The contents of OpenTSDB's configuration file
68 '';
69 };
70
71 };
72
73 };
74
75 ###### implementation
76
77 config = mkIf config.services.opentsdb.enable {
78
79 systemd.services.opentsdb = {
80 description = "OpenTSDB Server";
81 wantedBy = [ "multi-user.target" ];
82 requires = [ "hbase.service" ];
83
84 environment.JAVA_HOME = "${pkgs.jre}";
85 path = [ pkgs.gnuplot ];
86
87 preStart =
88 ''
89 COMPRESSION=NONE HBASE_HOME=${config.services.hbase.package} ${cfg.package}/share/opentsdb/tools/create_table.sh
90 '';
91
92 serviceConfig = {
93 PermissionsStartOnly = true;
94 User = cfg.user;
95 Group = cfg.group;
96 ExecStart = "${cfg.package}/bin/tsdb tsd --staticroot=${cfg.package}/share/opentsdb/static --cachedir=/tmp/opentsdb --port=${toString cfg.port} --config=${configFile}";
97 };
98 };
99
100 users.extraUsers.opentsdb = {
101 description = "OpenTSDB Server user";
102 group = "opentsdb";
103 uid = config.ids.uids.opentsdb;
104 };
105
106 users.extraGroups.opentsdb.gid = config.ids.gids.opentsdb;
107
108 };
109}