nixos/netbird: init

2 files changed, 65 insertions, 0 deletions

diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 31a4107b3eeb4..e632a760f892b 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -861,6 +861,7 @@
   ./services/networking/nbd.nix
   ./services/networking/ndppd.nix
   ./services/networking/nebula.nix
+  ./services/networking/netbird.nix
   ./services/networking/networkmanager.nix
   ./services/networking/nextdns.nix
   ./services/networking/nftables.nix
diff --git a/nixos/modules/services/networking/netbird.nix b/nixos/modules/services/networking/netbird.nix
new file mode 100644
index 0000000000000..806b72d5f3a7c
--- /dev/null
+++ b/nixos/modules/services/networking/netbird.nix
@@ -0,0 +1,64 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.netbird;
+  kernel = config.boot.kernelPackages;
+  interfaceName = "wt0";
+in {
+  meta.maintainers = with maintainers; [ misuzu ];
+
+  options.services.netbird = {
+    enable = mkEnableOption "Netbird daemon";
+    package = mkOption {
+      type = types.package;
+      default = pkgs.netbird;
+      defaultText = literalExpression "pkgs.netbird";
+      description = "The package to use for netbird";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    boot.extraModulePackages = optional (versionOlder kernel.kernel.version "5.6") kernel.wireguard;
+
+    environment.systemPackages = [ cfg.package ];
+
+    networking.dhcpcd.denyInterfaces = [ interfaceName ];
+
+    systemd.network.networks."50-netbird" = mkIf config.networking.useNetworkd {
+      matchConfig = {
+        Name = interfaceName;
+      };
+      linkConfig = {
+        Unmanaged = true;
+        ActivationPolicy = "manual";
+      };
+    };
+
+    systemd.services.netbird = {
+      description = "A WireGuard-based mesh network that connects your devices into a single private network";
+      documentation = [ "https://netbird.io/docs/" ];
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        AmbientCapabilities = [ "CAP_NET_ADMIN" ];
+        DynamicUser = true;
+        Environment = [
+          "NB_CONFIG=/var/lib/netbird/config.json"
+          "NB_LOG_FILE=console"
+        ];
+        ExecStart = "${cfg.package}/bin/netbird service run";
+        Restart = "always";
+        RuntimeDirectory = "netbird";
+        StateDirectory = "netbird";
+        WorkingDirectory = "/var/lib/netbird";
+      };
+      unitConfig = {
+        StartLimitInterval = 5;
+        StartLimitBurst = 10;
+      };
+      stopIfChanged = false;
+    };
+  };
+}