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{ config, lib, pkgs, options, ... }:
with lib;
let
cfg = config.services.prometheus.exporters.collectd;
in
{
port = 9103;
extraOpts = {
collectdBinary = {
enable = mkEnableOption (lib.mdDoc "collectd binary protocol receiver");
authFile = mkOption {
default = null;
type = types.nullOr types.path;
description = lib.mdDoc "File mapping user names to pre-shared keys (passwords).";
};
port = mkOption {
type = types.port;
default = 25826;
description = lib.mdDoc "Network address on which to accept collectd binary network packets.";
};
listenAddress = mkOption {
type = types.str;
default = "0.0.0.0";
description = lib.mdDoc ''
Address to listen on for binary network packets.
'';
};
securityLevel = mkOption {
type = types.enum ["None" "Sign" "Encrypt"];
default = "None";
description = lib.mdDoc ''
Minimum required security level for accepted packets.
'';
};
};
logFormat = mkOption {
type = types.enum [ "logfmt" "json" ];
default = "logfmt";
example = "json";
description = lib.mdDoc ''
Set the log format.
'';
};
logLevel = mkOption {
type = types.enum ["debug" "info" "warn" "error" "fatal"];
default = "info";
description = lib.mdDoc ''
Only log messages with the given severity or above.
'';
};
};
serviceOpts = let
collectSettingsArgs = optionalString (cfg.collectdBinary.enable) ''
--collectd.listen-address ${cfg.collectdBinary.listenAddress}:${toString cfg.collectdBinary.port} \
--collectd.security-level ${cfg.collectdBinary.securityLevel} \
'';
in {
serviceConfig = {
ExecStart = ''
${pkgs.prometheus-collectd-exporter}/bin/collectd_exporter \
--log.format ${escapeShellArg cfg.logFormat} \
--log.level ${cfg.logLevel} \
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
${collectSettingsArgs} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
};
};
}
|