prometheus-node-exporter: Add module.

This commit is contained in:
Tom Hunger 2016-09-11 22:45:17 +01:00
parent 300adc8458
commit 0ded9a63a3
2 changed files with 48 additions and 0 deletions

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@ -288,6 +288,7 @@
./services/monitoring/munin.nix
./services/monitoring/nagios.nix
./services/monitoring/prometheus/default.nix
./services/monitoring/prometheus/node-exporter.nix
./services/monitoring/riemann.nix
./services/monitoring/riemann-dash.nix
./services/monitoring/riemann-tools.nix

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@ -0,0 +1,47 @@
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.prometheus.nodeExporter;
cmdlineArgs = cfg.extraFlags ++ [
"-web.listen-address=${cfg.listenAddress}"
];
in {
options = {
services.prometheus.nodeExporter = {
enable = mkEnableOption "Enable the Prometheus node exporter (CPU stats etc).";
listenAddress = mkOption {
type = types.str;
default = "0.0.0.0:9100";
description = ''
Address to listen on.
'';
};
extraFlags = mkOption {
type = types.listOf types.str;
default = [];
description = ''
Extra commandline options when launching the node exporter.
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.prometheus-node-exporter = {
description = "Prometheus exporter for machine metrics";
unitConfig.Documentation = "https://github.com/prometheus/node_exporter";
wantedBy = [ "multi-user.target" ];
script = ''
exec ${pkgs.prometheus-node-exporter}/bin/node_exporter \
${concatStringsSep " \\\n " cmdlineArgs}
'';
serviceConfig = {
User = "nobody";
Restart = "always";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
};
};
};
}