feat: adds prometheus exporter for smokeping to see latency

modules/services/monitoring.nix

@@ -1,4 +1,4 @@
-{ config, ... }:
+{ config, host, ... }:
 {
   services = {
     prometheus = {
@@ -10,6 +10,15 @@
           enabledCollectors = [ "systemd" ];
           port = 9002;
         };
+        smokeping = {
+          enable = true;
+          hosts = [
+            "172.16.10.1"
+            "172.16.10.2"
+            "9.9.9.9"
+            "149.112.112.112"
+          ];
+        };
       };
       scrapeConfigs = [
         {
@@ -20,6 +29,14 @@
             }
           ];
         }
+        {
+          job_name = "${host} - smokeping";
+          static_configs = [
+            {
+              targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.smokeping.port}" ];
+            }
+          ];
+        }
       ];
     };
   };