fix(netconf/dgn-hardware): Some models are extension cards

modules/netconf/dgn-hardware/default.nix

@@ -3,7 +3,7 @@
 let
   inherit (lib) genList mkOption listToAttrs;
 
-  inherit (lib.types) enum;
+  inherit (lib.types) enum listOf;
 
   range = prefix: genList (port: "${prefix}${builtins.toString port}");
   mkInterfaces =
@@ -17,6 +17,24 @@ let
       }) interfaces
     );
 
+  mkAllInterfaces = builtins.foldl' (
+    interfaces: model:
+    interfaces
+    // (
+      let
+        ports = import ./. + "${model}.nix" range;
+      in
+      (mkInterfaces {
+        supportPoE = true;
+        interfaces = ports.poe;
+      })
+      // (mkInterfaces {
+        supportPoE = false;
+        interfaces = ports.regular;
+      })
+    )
+  ) { };
+
   cfg = config.dgn-hardware;
 in
 
@@ -27,26 +45,24 @@ in
         "EX2300-48P"
         "EX4100-F-48P"
         "EX4400-24X"
-        "EX4400-EM-4Y"
       ];
       description = ''
         The exact model of the switch to configure.
       '';
     };
+
+    extensions = mkOption {
+      type = listOf (enum [
+        "EX4400-EM-4Y"
+      ]);
+      default = [ ];
+      description = ''
+        List of hardware extensions included in the switch.
+      '';
+    };
   };
 
   config = {
-    netconf.mandatoryInterfaces =
-      let
-        ports = import ./. + "${cfg.model}.nix" range;
-      in
-      (mkInterfaces {
-        supportPoE = true;
-        interfaces = ports.poe;
-      })
-      // (mkInterfaces {
-        supportPoE = false;
-        interfaces = ports.regular;
-      });
+    netconf.mandatoryInterfaces = mkAllInterfaces ([ cfg.model ] ++ cfg.extensions);
   };
 }