initial commit

services/networking/default.nix

@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./options.nix
+    ./service.nix
+  ];
+}

services/networking/options.nix

@@ -0,0 +1,17 @@
+{ lib, ... }:
+with lib;
+{
+  options.machine = {
+    gateway = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = "Default network gateway";
+    };
+
+    ipv4 = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = "Main IPv4 address";
+    };
+  };
+}

services/networking/service.nix

@@ -0,0 +1,32 @@
+{ config, lib, hostname, ... }:
+let
+  inherit (config.machine) ipv4 gateway;
+in
+with lib; {
+  networking = {
+    hostName = hostname;
+    networkmanager.enable = mkDefault true;
+    firewall = {
+      enable = true;
+      allowPing = true;
+    };
+    nameservers = [
+      "1.1.1.1"
+      "1.0.0.1"
+      "9.9.9.9"
+      "8.8.8.8"
+    ];
+    interfaces.ens3 = mkIf (ipv4 != null) {
+      ipv4.addresses = [
+        {
+          address = ipv4;
+          prefixLength = 32;
+        }
+      ];
+    };
+    defaultGateway = mkIf (gateway != null) {
+      address = gateway;
+      interface = "ens3";
+    };
+  };
+}