95 lines
2 KiB
Nix
95 lines
2 KiB
Nix
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.statsd;
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configFile = pkgs.writeText "statsd.conf" ''
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{
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host: "${cfg.host}",
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port: "${toString cfg.port}",
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backends: [${concatMapStrings (el: ''"./backends/${el}",'') cfg.backends}],
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graphiteHost: "${cfg.graphiteHost}",
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graphitePort: "${toString cfg.graphitePort}",
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${cfg.extraConfig}
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}
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'';
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in
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{
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###### interface
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options.services.statsd = {
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enable = mkOption {
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description = "Whether to enable statsd stats aggregation service";
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default = false;
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type = types.uniq types.bool;
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};
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host = mkOption {
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description = "Address that statsd listens on over UDP";
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default = "127.0.0.1";
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type = types.uniq types.string;
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};
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port = mkOption {
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description = "Port that stats listens for messages on over UDP";
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default = 8125;
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type = types.uniq types.int;
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};
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backends = mkOption {
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description = "List of backends statsd will use for data persistance";
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default = ["graphite"];
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};
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graphiteHost = mkOption {
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description = "Hostname or IP of Graphite server";
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default = "127.0.0.1";
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type = types.uniq types.string;
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};
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graphitePort = mkOption {
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description = "Port of Graphite server";
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default = 2003;
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type = types.uniq types.int;
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};
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extraConfig = mkOption {
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default = "";
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description = "Extra configuration options for statsd";
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type = types.uniq types.string;
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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users.extraUsers = singleton {
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name = "statsd";
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uid = config.ids.uids.statsd;
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description = "Statsd daemon user";
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};
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systemd.services.statsd = {
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description = "Statsd Server";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${pkgs.nodePackages.statsd}/bin/statsd ${configFile}";
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User = "statsd";
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};
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};
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environment.systemPackages = [pkgs.nodePackages.statsd];
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};
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}
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