made the hosts thingy into a hacky module

hosts/network.nix

@@ -52,22 +52,83 @@ in {
   options = {
     ${prefix} = {
       network.wg_subnets.IPv4 = lib.mkOption {
-        type = str;
+        type = types.str;
         description = "The IPv6 range that wireguard peers will use";
       };
       network.wg_subnets.IPv6 = lib.mkOption {
-        type = str;
+        type = types.str;
         description = "The IPv4 range that wireguard peers will use";
       };
+
+      # defining the entire hosts part as a module
       network.hosts = lib.mkOption {
-        type = lib.types.set;
+        type = types.attrsOf (lib.types.submodule {
+          options = {
+            wg = lib.mkOption {
+              type = lib.types.submodule {
+                options = {
+                  enabled = lib.mkOption {
+                    type = lib.types.bool;
+                    default = false;
+                    description = "Enable WireGuard";
+                  };
+                  pubkey = lib.mkOption {
+                    type = types.nullOr types.str;
+                    default = null;
+                    description = "Public key for WireGuard";
+                  };
+                  port = lib.mkOption {
+                    type = lib.types.int;
+                    default = 51820;
+                    description = "Port for WireGuard";
+                  };
+                };
+              };
+              description = "WireGuard configuration";
+            };
+            v4 = lib.mkOption {
+              type = lib.types.submodule {
+                options = {
+                  public = lib.mkOption {
+                    type = types.nullOr types.str;
+                    default = null;
+                    description = "Public IPv4 address";
+                  };
+                  internal = lib.mkOption {
+                    type = lib.types.str;
+                    description = "Wireguard-internal IPv4 address";
+                  };
+                };
+                default = {};
+              };
+              description = "IPv4 configuration";
+            };
+            v6 = lib.mkOption {
+              type = lib.types.submodule {
+                options = {
+                  public = lib.mkOption {
+                    type = types.nullOr types.str;
+                    description = "Public IPv6 address";
+                  };
+                  internal = lib.mkOption {
+                    type = lib.types.str;
+                    description = "Wireguard-internal IPv6 address";
+                  };
+                };
+              };
+              description = "IPv6 configuration";
+              default = {};
+            };
+          };
+        });
+        default = {};
         description = "All hosts in this network that this config should be aware of";
       };
     };
-  };
+    config = {
-  config = {
+      ${prefix}.network = {
-    ${prefix}.network = {
+        inherit hosts wg_subnets;
-      inherit hosts wg_subnets;
+      };
     };
   };
 }

modules/services/wgautomesh.nix

@@ -38,8 +38,8 @@ in {
   networking.wireguard.interfaces.wg0 = {
     ips =
       if cfg.useIPv6
-      then [${meshnetwork.wg_subnets.IPv6}]
+      then ["${meshnetwork.wg_subnets.IPv6}"]
-      else [${meshnetwork.wg_subnets.IPv4}];
+      else ["${meshnetwork.wg_subnets.IPv4}"];
     listenPort = cfg.wireguardPort;
     privateKeyFile = "/var/lib/wireguard-keys/private";
     mtu = 1420;