feat: several updates

config/dns-adguardhome.nix

@@ -12,6 +12,7 @@ let
   proxy_addr = ip "proxy";
   domain_ext = config.globals.domains.external;
   domain_int = config.globals.domains.internal;
+  json = pkgs.formats.json { };
 in
 {
   environment.etc."alloy/logs-adguardhome.alloy".text =
@@ -41,13 +42,43 @@ in
         }
       '';
     }).out;
+  environment.etc."AdGuardHome/data/leases.json".source = json.generate "leases.json" {
+    version = 1;
+    leases = (
+      lib.filter (x: x.mac != null) (
+        lib.mapAttrsToList (host: h: {
+          expires = "";
+          ip = tools.build_ip h.ip;
+          hostname = host;
+          mac = h.mac;
+          static = true;
+        }) config.globals.other_hosts
+      )
+    );
+  };
+  systemd.services.adguardhome.preStart = ''
+    cp /etc/AdGuardHome/data/leases.json /var/lib/AdGuardHome/data/leases.json
+    chown adguardhome:adguardhome /var/lib/AdGuardHome/data/leases.json
+  '';
   services.adguardhome = {
     enable = true;
+    allowDHCP = true;
     host = "0.0.0.0";
     port = 80;
     openFirewall = true;
     mutableSettings = true; # ??
     settings = {
+      dhcp = {
+        enabled = true;
+        interface_name = "eth0";
+        dhcpv4 = {
+          gateway_ip = config.globals.gateway;
+          subnet_mask = config.globals.mask;
+          range_start = tools.build_ip 150;
+          range_end = tools.build_ip 199;
+        };
+        local_domain_name = lib.removePrefix "." config.globals.domains.internal;
+      };
       http = {
         address = "0.0.0.0:80";
         session_ttl = "720h";
@@ -96,11 +127,13 @@ in
           {
             domain = "*${domain_ext}";
             answer = proxy_addr;
+            enabled = true;
           }
         ]
         ++ (lib.mapAttrsToList (d: id: {
           domain = "${d}${domain_int}";
           answer = "${ip d}";
+          enabled = true;
         }) config.id);
       };
     };