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-rw-r--r--lass/3modules/telegraf.nix67
1 files changed, 67 insertions, 0 deletions
diff --git a/lass/3modules/telegraf.nix b/lass/3modules/telegraf.nix
new file mode 100644
index 000000000..64b323460
--- /dev/null
+++ b/lass/3modules/telegraf.nix
@@ -0,0 +1,67 @@
+{ config, lib, pkgs, ... }:
+
+with builtins;
+with lib;
+
+let
+ cfg = config.lass.telegraf;
+
+ out = {
+ options.lass.telegraf = api;
+ config = mkIf cfg.enable imp;
+ };
+
+ api = {
+ enable = mkEnableOption "telegraf";
+ dataDir = mkOption {
+ type = types.str;
+ default = "/var/lib/telegraf";
+ };
+ user = mkOption {
+ type = types.str;
+ default = "telegraf";
+ };
+ config = mkOption {
+ type = types.str;
+ #TODO: find a good default
+ default = ''
+ [agent]
+ interval = "1s"
+
+ [outputs]
+
+ # Configuration to send data to InfluxDB.
+ [outputs.influxdb]
+ urls = ["http://localhost:8086"]
+ database = "kapacitor_example"
+ user_agent = "telegraf"
+
+ # Collect metrics about cpu usage
+ [cpu]
+ percpu = false
+ totalcpu = true
+ drop = ["cpu_time"]
+ '';
+ description = "configuration telegraf is started with";
+ };
+ };
+
+ configFile = pkgs.writeText "telegraf.conf" cfg.config;
+
+ imp = {
+
+ systemd.services.telegraf = {
+ description = "telegraf";
+ after = [ "network.target" ];
+ wantedBy = [ "multi-user.target" ];
+
+ restartIfChanged = true;
+
+ serviceConfig = {
+ Restart = "always";
+ ExecStart = "${pkgs.telegraf}/bin/telegraf -config ${configFile}";
+ };
+ };
+ };
+
+in out