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