Add slimserver nixos module

nixos/modules/misc/ids.nix

@@ -288,6 +288,7 @@
       kresd = 270;
       rpc = 271;
       geoip = 272;
+      slimserver = 273;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
@@ -545,6 +546,7 @@
       kresd = 270;
       #rpc = 271; # unused
       #geoip = 272; # unused
+      slimserver = 273;
 
       # When adding a gid, make sure it doesn't match an existing
       # uid. Users and groups with the same name should have equal

nixos/modules/module-list.nix

@@ -128,6 +128,7 @@
   ./services/audio/liquidsoap.nix
   ./services/audio/mpd.nix
   ./services/audio/mopidy.nix
+  ./services/audio/slimserver.nix
   ./services/audio/squeezelite.nix
   ./services/audio/ympd.nix
   ./services/backup/almir.nix

nixos/modules/services/audio/slimserver.nix

@@ -0,0 +1,95 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.slimserver;
+
+in {
+  options = {
+
+    services.slimserver = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable slimserver.
+        '';
+      };
+
+      package = mkOption {
+        type = types.package;
+	default = pkgs.slimserver;
+	defaultText = "pkgs.slimserver";
+	description = "Slimserver package to use.";
+      };
+
+      dataDir = mkOption {
+        type = types.path;
+        default = "/var/lib/slimserver";
+        description = ''
+          The directory where slimserver stores its state, tag cache,
+          playlists etc.
+        '';
+      };
+
+      network = {
+
+        listenAddress = mkOption {
+          type = types.str;
+          default = "127.0.0.1";
+          example = "any";
+          description = ''
+            The address for the daemon to listen on.
+            Use <literal>any</literal> to listen on all addresses.
+          '';
+        };
+
+        port = mkOption {
+          type = types.int;
+          default = 6600;
+          description = ''
+            This setting is the TCP port that is desired for the daemon to get assigned
+            to.
+          '';
+        };
+
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    systemd.services.slimserver = {
+      after = [ "network.target" ];
+      description = "Slim Server for Logitech Squeezebox Players";
+      wantedBy = [ "multi-user.target" ];
+
+      preStart = "mkdir -p ${cfg.dataDir} && chown -R slimserver:slimserver ${cfg.dataDir}";
+      serviceConfig = {
+        User = "slimserver";
+        PermissionsStartOnly = true;
+        ExecStart = "${cfg.package}/slimserver.pl --logdir ${cfg.dataDir}/logs --prefsdir ${cfg.dataDir}/prefs --cachedir ${cfg.dataDir}/cache";
+      };
+    };
+
+    users = {
+      groups.slimserver.gid = config.ids.gids.slimserver;
+      users.slimserver = {
+        uid = config.ids.uids.slimserver;
+	description = "Slimserver daemon user";
+	home = cfg.dataDir;
+	group = "slimserver";
+      };
+    };
+  };
+
+}
+