centroid: add lan revproxy

machine/centroid/default.nix

@@ -33,9 +33,53 @@
   ];
 
   users.users.tvb.extraGroups = [
+    "mopidy"
     "networkmanager"
     "pipewire"
   ];
 
+  users.groups.mopidy = {};  # rw group for media directory
+  users.users.mopidy.extraGroups = [
+    "mopidy"
+    "pipewire"  # necessary to allow the system service to play sound
+  ];
+  services.mopidy = let
+    mopidy-ytdlp = pkgs.callPackage ./mopidy-youtube.nix { };
+  in {
+    enable = true;
+    extensionPackages = with pkgs; [
+      mopidy-musicbox-webclient
+      # Replace the default mopidy-youtube, which doesn't have yt-dlp or a way to inject it
+      mopidy-ytdlp
+    ];
+    configuration = ''
+      [file]
+      media_dirs =
+          /media/music|Music
+
+      [youtube]
+      youtube_dl_package = yt_dlp
+    '';
+  };
+
+  services.nginx = {
+    enable = true;
+    recommendedProxySettings = true;
+    virtualHosts = {
+      default = {
+        default = true;
+        locations."/".return = "444";
+      };
+      "centroid.lan" = {
+        listen = [ { addr = "centroid.lan"; } ];
+        locations."/" = {
+          proxyWebsockets = true;
+          proxyPass = "http://localhost:6680";
+        };
+      };
+    };
+  };
+  networking.firewall.allowedTCPPorts = [ 80 ];
+
   system.stateVersion = "23.11";
 }

machine/centroid/mopidy-youtube.nix

@@ -0,0 +1,58 @@
+{ lib
+, fetchFromGitHub
+, python3
+, mopidy
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "mopidy-youtube";
+  version = "3.6";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "natumbri";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-Mp8eCVNGokJRwmYiZYCYRwV1QVDV02Uqfh6fGcPgJss=";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    beautifulsoup4
+    cachetools
+    pykka
+    requests
+    youtube-dl  # this no longer works
+    yt-dlp      # <- added
+    ytmusicapi
+  ] ++ [
+    mopidy
+  ];
+
+  nativeCheckInputs = with python3.pkgs; [
+    vcrpy
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # Test requires a YouTube API key
+    "test_get_default_config"
+  ];
+
+  disabledTestPaths = [
+    # Disable tests which interact with Youtube
+    "tests/test_api.py"
+    "tests/test_backend.py"
+    "tests/test_youtube.py"
+  ];
+
+  pythonImportsCheck = [
+    "mopidy_youtube"
+  ];
+
+  meta = with lib; {
+    description = "Mopidy extension for playing music from YouTube";
+    homepage = "https://github.com/natumbri/mopidy-youtube";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}