pyrox.dev
fork
Configure Feed
Select the types of activity you want to include in your feed.
lol
fork
Configure Feed
Select the types of activity you want to include in your feed.
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7let
8
9 cfg = config.services.statsd;
10
11 isBuiltinBackend =
12 name:
13 builtins.elem name [
14 "graphite"
15 "console"
16 "repeater"
17 ];
18
19 backendsToPackages =
20 let
21 mkMap = list: name: if isBuiltinBackend name then list else list ++ [ pkgs.nodePackages.${name} ];
22 in
23 lib.foldl mkMap [ ];
24
25 configFile = pkgs.writeText "statsd.conf" ''
26 {
27 address: "${cfg.listenAddress}",
28 port: "${toString cfg.port}",
29 mgmt_address: "${cfg.mgmt_address}",
30 mgmt_port: "${toString cfg.mgmt_port}",
31 backends: [${
32 lib.concatMapStringsSep "," (
33 name: if (isBuiltinBackend name) then ''"./backends/${name}"'' else ''"${name}"''
34 ) cfg.backends
35 }],
36 ${lib.optionalString (cfg.graphiteHost != null) ''graphiteHost: "${cfg.graphiteHost}",''}
37 ${lib.optionalString (cfg.graphitePort != null) ''graphitePort: "${toString cfg.graphitePort}",''}
38 console: {
39 prettyprint: false
40 },
41 log: {
42 backend: "stdout"
43 },
44 automaticConfigReload: false${lib.optionalString (cfg.extraConfig != null) ","}
45 ${cfg.extraConfig}
46 }
47 '';
48
49 deps = pkgs.buildEnv {
50 name = "statsd-runtime-deps";
51 pathsToLink = [ "/lib" ];
52 ignoreCollisions = true;
53
54 paths = backendsToPackages cfg.backends;
55 };
56
57in
58
59{
60
61 ###### interface
62
63 options.services.statsd = {
64
65 enable = lib.mkEnableOption "statsd";
66
67 listenAddress = lib.mkOption {
68 description = "Address that statsd listens on over UDP";
69 default = "127.0.0.1";
70 type = lib.types.str;
71 };
72
73 port = lib.mkOption {
74 description = "Port that stats listens for messages on over UDP";
75 default = 8125;
76 type = lib.types.port;
77 };
78
79 mgmt_address = lib.mkOption {
80 description = "Address to run management TCP interface on";
81 default = "127.0.0.1";
82 type = lib.types.str;
83 };
84
85 mgmt_port = lib.mkOption {
86 description = "Port to run the management TCP interface on";
87 default = 8126;
88 type = lib.types.port;
89 };
90
91 backends = lib.mkOption {
92 description = "List of backends statsd will use for data persistence";
93 default = [ ];
94 example = [
95 "graphite"
96 "console"
97 "repeater"
98 "statsd-librato-backend"
99 "statsd-influxdb-backend"
100 ];
101 type = lib.types.listOf lib.types.str;
102 };
103
104 graphiteHost = lib.mkOption {
105 description = "Hostname or IP of Graphite server";
106 default = null;
107 type = lib.types.nullOr lib.types.str;
108 };
109
110 graphitePort = lib.mkOption {
111 description = "Port of Graphite server (i.e. carbon-cache).";
112 default = null;
113 type = lib.types.nullOr lib.types.port;
114 };
115
116 extraConfig = lib.mkOption {
117 description = "Extra configuration options for statsd";
118 default = "";
119 type = lib.types.nullOr lib.types.str;
120 };
121
122 };
123
124 ###### implementation
125
126 config = lib.mkIf cfg.enable {
127
128 assertions = map (backend: {
129 assertion = !isBuiltinBackend backend -> lib.hasAttrByPath [ backend ] pkgs.nodePackages;
130 message = "Only builtin backends (graphite, console, repeater) or backends enumerated in `pkgs.nodePackages` are allowed!";
131 }) cfg.backends;
132
133 users.users.statsd = {
134 uid = config.ids.uids.statsd;
135 description = "Statsd daemon user";
136 };
137
138 systemd.services.statsd = {
139 description = "Statsd Server";
140 wantedBy = [ "multi-user.target" ];
141 environment = {
142 NODE_PATH = "${deps}/lib/node_modules";
143 };
144 serviceConfig = {
145 ExecStart = "${pkgs.statsd}/bin/statsd ${configFile}";
146 User = "statsd";
147 };
148 };
149
150 environment.systemPackages = [ pkgs.statsd ];
151
152 };
153
154}