nixos.roon-bridge: init

nixos/modules/services/audio/roon-bridge.nix

@@ -0,0 +1,74 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  name = "roon-bridge";
+  cfg = config.services.roon-bridge;
+in {
+  options = {
+    services.roon-bridge = {
+      enable = mkEnableOption "Roon Bridge";
+      openFirewall = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Open ports in the firewall for the bridge.
+
+          UDP: 9003
+          TCP: 9100 - 9200
+        '';
+      };
+      user = mkOption {
+        type = types.str;
+        default = "roon-bridge";
+        description = ''
+          User to run the Roon bridge as.
+        '';
+      };
+      group = mkOption {
+        type = types.str;
+        default = "roon-bridge";
+        description = ''
+          Group to run the Roon Bridge as.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.roon-bridge = {
+      after = [ "network.target" ];
+      description = "Roon Bridge";
+      wantedBy = [ "multi-user.target" ];
+
+      environment.ROON_DATAROOT = "/var/lib/${name}";
+
+      serviceConfig = {
+        ExecStart = "${pkgs.roon-bridge}/start.sh";
+        LimitNOFILE = 8192;
+        User = cfg.user;
+        Group = cfg.group;
+        StateDirectory = name;
+      };
+    };
+
+    networking.firewall = mkIf cfg.openFirewall {
+      allowedTCPPortRanges = [
+        { from = 9100; to = 9200; }
+      ];
+      allowedUDPPorts = [ 9003 ];
+    };
+
+
+    users.groups.${cfg.group} = {};
+    users.users.${cfg.user} =
+      if cfg.user == "roon-bridge" then {
+        isSystemUser = true;
+        description = "Roon Bridge user";
+        group = cfg.group;
+        extraGroups = [ "audio" ];
+      }
+      else {};
+  };
+}