Add netbird as an alternative to tailscale

modules/nixos/services/default.nix

@@ -7,6 +7,7 @@
     ./hardware
     ./input
     ./media
+    ./nas
     ./network
 
     ./davmail.nix
@@ -18,6 +19,8 @@
     ./ppd.nix
   ];
 
+  nas.enable = lib.mkDefault false;
+
   davmail.enable = lib.mkDefault false;
   flatpak.enable = lib.mkDefault config.xdg.portal.enable;
   secrets.enable = lib.mkDefault true;

modules/nixos/services/network/default.nix

@@ -2,10 +2,12 @@
   imports = [
     ./avahi.nix
     ./localsend.nix
+    ./netbird.nix
     ./tailscale.nix
   ];
 
   local-resolv.enable = lib.mkDefault true;
   localsend.enable = lib.mkDefault true;
+  netbird.enable = lib.mkDefault false;
   tailscale.enable = lib.mkDefault true;
 }

modules/nixos/services/network/netbird.nix

@@ -0,0 +1,43 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  options.netbird.enable = lib.mkEnableOption "Enable netbird";
+
+  config = lib.mkIf config.netbird.enable {
+    services.netbird = {
+      enable = true;
+      package = pkgs.unstable.netbird;
+      # port = tailscale-port;
+      # useRoutingFeatures = "client";
+      # extraUpFlags = [
+      #   "--accept-routes"
+      # ];
+    };
+
+    environment.systemPackages = with pkgs; [
+      unstable.netbird-ui
+    ];
+
+    # networking = {
+    #   # Configure MagicDNS for Tailscale
+    #   # nameservers = ["100.100.100.100" "1.1.1.1" "8.8.8.8"];
+    #   # search = ["sparrow-yo.ts.net" "king-little.ts.net"];
+    #   firewall = {
+    #     # always allow traffic from your Tailscale network
+    #     trustedInterfaces = ["tailscale0"];
+    #     # allow the Tailscale UDP port through the firewall
+    #     allowedTCPPorts = [tailscale-port];
+    #     # https://github.com/tailscale/tailscale/issues/4432#issuecomment-1112819111
+    #     checkReversePath = "loose";
+    #   };
+    # };
+
+    # # https://github.com/tailscale/tailscale/issues/3310#issuecomment-1722601407
+    # boot.kernel.sysctl = {
+    #   "net.ipv4.conf.default.rp_filter" = 2;
+    # };
+  };
+}