Ajout Telegraf-InfluxDB-Grafana

configuration.nix

@@ -9,6 +9,7 @@
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
       ./users.nix
+      ./services.nix
     ];
 
   # Use the systemd-boot EFI boot loader.

hardware-configuration.nix

@@ -47,6 +47,11 @@
       fsType = "zfs";
     };
 
+  fileSystems."/mnt/influxdb" =
+    { device = "loutrepool/etc/influxdb";
+      fsType = "zfs";
+    };
+
   swapDevices = [ ];
 
   nix.maxJobs = lib.mkDefault 4;

services.nix

@@ -0,0 +1,27 @@
+{ config, pkgs, ... }:
+
+{
+  services.influxdb.enable = true;
+  services.influxdb.dataDir = "/mnt/influxdb";
+
+  services.telegraf.enable = true;
+  services.telegraf.extraConfig = {
+    inputs = {
+      zfs = { poolMetrics = true; };
+      net = { interfaces = [ "eno1" "eno2" "eno3" "eno4" ]; };
+      netstat = {};
+      cpu = { totalcpu = true; };
+      kernel = {};
+      mem = {};
+      processes = {};
+      system = {};
+    };
+    outputs = {
+      influxdb = { database = "telegraf"; urls = [ "http://localhost:8086" ]; };
+    };
+  };
+
+  services.grafana.enable = true;
+  services.grafana.addr = "0.0.0.0";
+  networking.firewall.allowedTCPPorts = [ 3000 ];
+}