You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
149 lines
3.6 KiB
149 lines
3.6 KiB
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.statsd;
|
|
|
|
isBuiltinBackend = name:
|
|
builtins.elem name [ "graphite" "console" "repeater" ];
|
|
|
|
backendsToPackages = let
|
|
mkMap = list: name:
|
|
if isBuiltinBackend name then list
|
|
else list ++ [ pkgs.nodePackages.${name} ];
|
|
in foldl mkMap [];
|
|
|
|
configFile = pkgs.writeText "statsd.conf" ''
|
|
{
|
|
address: "${cfg.listenAddress}",
|
|
port: "${toString cfg.port}",
|
|
mgmt_address: "${cfg.mgmt_address}",
|
|
mgmt_port: "${toString cfg.mgmt_port}",
|
|
backends: [${
|
|
concatMapStringsSep "," (name:
|
|
if (isBuiltinBackend name)
|
|
then ''"./backends/${name}"''
|
|
else ''"${name}"''
|
|
) cfg.backends}],
|
|
${optionalString (cfg.graphiteHost!=null) ''graphiteHost: "${cfg.graphiteHost}",''}
|
|
${optionalString (cfg.graphitePort!=null) ''graphitePort: "${toString cfg.graphitePort}",''}
|
|
console: {
|
|
prettyprint: false
|
|
},
|
|
log: {
|
|
backend: "stdout"
|
|
},
|
|
automaticConfigReload: false${optionalString (cfg.extraConfig != null) ","}
|
|
${cfg.extraConfig}
|
|
}
|
|
'';
|
|
|
|
deps = pkgs.buildEnv {
|
|
name = "statsd-runtime-deps";
|
|
pathsToLink = [ "/lib" ];
|
|
ignoreCollisions = true;
|
|
|
|
paths = backendsToPackages cfg.backends;
|
|
};
|
|
|
|
in
|
|
|
|
{
|
|
|
|
###### interface
|
|
|
|
options.services.statsd = {
|
|
|
|
enable = mkEnableOption "statsd";
|
|
|
|
listenAddress = mkOption {
|
|
description = "Address that statsd listens on over UDP";
|
|
default = "127.0.0.1";
|
|
type = types.str;
|
|
};
|
|
|
|
port = mkOption {
|
|
description = "Port that stats listens for messages on over UDP";
|
|
default = 8125;
|
|
type = types.int;
|
|
};
|
|
|
|
mgmt_address = mkOption {
|
|
description = "Address to run management TCP interface on";
|
|
default = "127.0.0.1";
|
|
type = types.str;
|
|
};
|
|
|
|
mgmt_port = mkOption {
|
|
description = "Port to run the management TCP interface on";
|
|
default = 8126;
|
|
type = types.int;
|
|
};
|
|
|
|
backends = mkOption {
|
|
description = "List of backends statsd will use for data persistence";
|
|
default = [];
|
|
example = [
|
|
"graphite"
|
|
"console"
|
|
"repeater"
|
|
"statsd-librato-backend"
|
|
"stackdriver-statsd-backend"
|
|
"statsd-influxdb-backend"
|
|
];
|
|
type = types.listOf types.str;
|
|
};
|
|
|
|
graphiteHost = mkOption {
|
|
description = "Hostname or IP of Graphite server";
|
|
default = null;
|
|
type = types.nullOr types.str;
|
|
};
|
|
|
|
graphitePort = mkOption {
|
|
description = "Port of Graphite server (i.e. carbon-cache).";
|
|
default = null;
|
|
type = types.nullOr types.int;
|
|
};
|
|
|
|
extraConfig = mkOption {
|
|
description = "Extra configuration options for statsd";
|
|
default = "";
|
|
type = types.nullOr types.str;
|
|
};
|
|
|
|
};
|
|
|
|
###### implementation
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
assertions = map (backend: {
|
|
assertion = !isBuiltinBackend backend -> hasAttrByPath [ backend ] pkgs.nodePackages;
|
|
message = "Only builtin backends (graphite, console, repeater) or backends enumerated in `pkgs.nodePackages` are allowed!";
|
|
}) cfg.backends;
|
|
|
|
users.users.statsd = {
|
|
uid = config.ids.uids.statsd;
|
|
description = "Statsd daemon user";
|
|
};
|
|
|
|
systemd.services.statsd = {
|
|
description = "Statsd Server";
|
|
wantedBy = [ "multi-user.target" ];
|
|
environment = {
|
|
NODE_PATH = "${deps}/lib/node_modules";
|
|
};
|
|
serviceConfig = {
|
|
ExecStart = "${pkgs.statsd}/bin/statsd ${configFile}";
|
|
User = "statsd";
|
|
};
|
|
};
|
|
|
|
environment.systemPackages = [ pkgs.statsd ];
|
|
|
|
};
|
|
|
|
}
|
|
|