Added logging config

config/headless.nix

@@ -9,5 +9,12 @@
   # Qemu guest
   services.qemuGuest.enable = true;
 
+  # Install Prometheus for Grafana
+  services.prometheus.exporters.node = {
+      enable = true;
+      port = 9002;
+      enabledCollectors = [ "systemd" ];
+  };
+
   system.stateVersion = "24.05";
 }

config/logging.nix

@@ -6,16 +6,46 @@
     (import ./networking.nix {
         hostname = "r330-logging";
         ip_address = "192.168.100.41";
-        open_ports = [];
+        open_ports = [ 3000 9001 ];
         inherit lib;
     })
   ];
 
   users.users.logging = import ./user.nix;
+
   environment.systemPackages = with pkgs; [
     suricata
   ];
 
+  services.grafana = {
+      enable = true;
+      settings.server = {
+          http_addr = "0.0.0.0";
+          http_port = 3000;
+          domain = "logging.randomctf.local";
+      };
+  };
+
+  services.prometheus = {
+    enable = true;
+    port = 9001;
+    scrapeConfigs = [
+      {
+        job_name = "r330-logging";
+        static_configs = [{
+          targets = let
+            port = toString config.services.prometheus.exporters.node.port;
+          in [
+            "127.0.0.1:${port}"
+            "192.168.100.40:${port}"
+            "192.168.100.42:${port}"
+            "192.168.100.43:${port}"
+          ];
+        }];
+      }
+    ];
+  };
+
   systemd.services.suricata = {
     description = "Suricata IDS/IPS";
     wantedBy = ["multi-user.target"];
@@ -154,6 +184,5 @@
   '';
 
   environment.etc."suricata/rules/suricata.rules".text = ''
-    alert tcp any any -> any any (msg:"TCP traffic detected"; sid:1000001; rev:1;)
   '';
 }

config/networking.nix

@@ -17,7 +17,7 @@ in {
   };
 
   networking.nameservers = [ gateway_ip ];
-  networking.firewall.allowedTCPPorts = open_ports;
+  networking.firewall.allowedTCPPorts = open_ports ++ [9002];
   networking.interfaces.enp6s18.ipv4.addresses = [
     {
       address = ip_address;