feat(modules/netconf): Add hardware module

modules/netconf/default.nix

@@ -0,0 +1,6 @@
+{
+  imports = [
+    # List of modules to import
+    ./dgn-hardware
+  ];
+}

modules/netconf/dgn-hardware/EX2300-48P.nix

@@ -0,0 +1,6 @@
+range:
+
+{
+  poe = range "ge-0/0/" 48;
+  regular = (range "ge-0/1/" 4) ++ (range "xe-0/1/" 4);
+}

modules/netconf/dgn-hardware/EX4100-F-48P.nix

@@ -0,0 +1,13 @@
+range:
+
+{
+  poe = range "ge-0/0/" 48;
+  regular =
+    # SFP ports
+    (range "ge-0-1/" 4)
+    ++ (range "xe-0/1/" 4)
+    ++ (range "et-0/1/" 4)
+    # Uplink ports
+    ++ (range "ge-0/2/" 4)
+    ++ (range "xe-0/2/" 4);
+}

modules/netconf/dgn-hardware/EX4400-24X.nix

@@ -0,0 +1,6 @@
+range:
+
+{
+  poe = [ ];
+  regular = (range "ge-0/0/" 24) ++ (range "xe-0/0/" 24) ++ (range "et-0/1/" 2);
+}

modules/netconf/dgn-hardware/EX4400-EM-4Y.nix

@@ -0,0 +1,6 @@
+range:
+
+{
+  poe = [ ];
+  regular = (range "ge-0/2/" 4) ++ (range "xe-0/2/" 4) ++ (range "et-0/2/" 4);
+}

modules/netconf/dgn-hardware/default.nix

@@ -0,0 +1,52 @@
+{ config, lib, ... }:
+
+let
+  inherit (lib) genList mkOption listToAttrs;
+
+  inherit (lib.types) enum;
+
+  range = prefix: genList (port: "${prefix}${builtins.toString port}");
+  mkInterfaces =
+    { supportPoE, interfaces }:
+    listToAttrs (
+      builtins.map (int: {
+        name = int;
+        value = {
+          inherit supportPoE;
+        };
+      }) interfaces
+    );
+
+  cfg = config.dgn-hardware;
+in
+
+{
+  options.dgn-hardware = {
+    model = mkOption {
+      type = enum [
+        "EX2300-48P"
+        "EX4100-F-48P"
+        "EX4400-24X"
+        "EX4400-EM-4Y"
+      ];
+      description = ''
+        The exact model of the switch to configure.
+      '';
+    };
+  };
+
+  config = {
+    netconf.mandatoryInterfaces =
+      let
+        ports = import ./. + "${cfg.model}.nix" range;
+      in
+      (mkInterfaces {
+        supportPoE = true;
+        interfaces = ports.poe;
+      })
+      // (mkInterfaces {
+        supportPoE = false;
+        interfaces = ports.regular;
+      });
+  };
+}