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lastFile:modules/clan/gw-router/dns-dhcp.nix

modules/clan/gw-router/default.nix

@@ -304,6 +304,7 @@
   imports = [
     ./ipv6.nix
     ./firewall.nix
+
     ./pppoe.nix
     ./crowdsec.nix
   ];

modules/clan/gw-router/dns-dhcp.nix

@@ -0,0 +1,81 @@
+{
+  roles.default.perInstance = { settings, ... }: {
+    nixosModule =
+      {
+
+        lib,
+        ...
+      }:
+      let
+        dhcpVlans = lib.filterAttrs (_: vlan: vlan.dhcp.enable) settings.vlans;
+      in
+      {
+        services.kea.dhcp4 = {
+          enable = true;
+          settings = {
+            interfaces-config.interfaces = lib.mapAttrsToList (name: _: "vlan-${name}") dhcpVlans;
+            lease-database = {
+              type = "memfile";
+              persist = true;
+              name = "/var/lib/kea/dhcp4.leases";
+            };
+            valid-lifetime = 86400;
+            subnet4 = lib.mapAttrsToList (name: vlan: {
+              id = vlan.id;
+              subnet = vlan.subnet;
+              interface = "vlan-${name}";
+              valid-lifetime = vlan.dhcp.leaseTime;
+              pools = [ { pool = "${vlan.dhcp.pool.from} - ${vlan.dhcp.pool.to}"; } ];
+              reservations = lib.mapAttrsToList (host: res: {
+                hostname = host;
+                hw-address = res.hwAddress;
+                ip-address = res.ipAddress;
+              }) vlan.dhcp.reservations;
+              option-data = [
+                {
+                  name = "routers";
+                  data = vlan.address;
+                }
+                {
+                  name = "domain-name-servers";
+                  data = vlan.address;
+                }
+              ];
+            }) dhcpVlans;
+          };
+        };
+
+        services.blocky = {
+          enable = true;
+          settings = {
+            ports = {
+              dns = 53;
+              http = 4000;
+            };
+            upstreams.groups.default = [
+              "9.9.9.9"
+              "149.112.112.112"
+              "2620:fe::fe"
+            ];
+            blocking = {
+              denylists.ads = [
+                "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts"
+              ];
+              clientGroupsBlock.default = [ "ads" ];
+            };
+            caching = {
+              minTime = "5m";
+              prefetching = true;
+            };
+            prometheus.enable = true;
+          };
+        };
+
+        networking.nameservers = [
+          "9.9.9.9"
+          "1.1.1.1"
+        ];
+
+      };
+  };
+}