Enable kea exporter on Genesis

hosts/genesis/networking.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ config, pkgs, ... }:
 let
   lan = "ens18";
   lanIP = "10.42.1.5";
@@ -76,7 +76,8 @@ in
   environment.etc."hosts.d/local".text = extraHosts;
 
   services = {
-    kea.dhcp4 = (
+    kea = {
+      dhcp4 = (
         import ./networking/dhcp.nix {
           inherit
             iot
@@ -86,6 +87,7 @@ in
             ;
         }
       );
+    };
 
     #########
     # dnsmasq config
@@ -113,7 +115,8 @@ in
       dnsmasq.enable = true;
       kea = {
         enable = true;
-        targets = [ "http://127.0.0.1:8547" ];
+        openFirewall = true;
+        targets = [ (builtins.head config.services.kea.dhcp4.settings.control-sockets).socket-name ];
       };
     };
   }; # End of services configuration

hosts/genesis/networking/dhcp.nix

@@ -7,6 +7,12 @@
 {
   enable = true;
   settings = {
+    control-sockets = [
+      {
+        socket-type = "unix";
+        socket-name = "/run/kea/dhcp4-control.sock";
+      }
+    ];
     valid-lifetime = 43200; # 12 hours, in seconds
     renew-timer = 1000;
     rebind-timer = 2000;