📊 prometheus setup

hosts/aristotle/configuration.nix

@@ -32,7 +32,23 @@
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJ0mE4MyMnfd1b2nlBJT7kpZ6Vov+ILuGNfzdp5ZBNQe walkah@walkah.net"
   ];
 
-  services.tailscale.enable = true;
+  environment.systemPackages = with pkgs; [ libraspberrypi ];
+
+  services = {
+    prometheus = {
+      enable = true;
+      port = 9090;
+      exporters = {
+        node = {
+          enable = true;
+          enabledCollectors = [ "systemd" ];
+          openFirewall = true;
+          port = 9100;
+        };
+      };
+    };
+    tailscale = { enable = true; };
+  };
 
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions