modules/nixos-modules/server/default.nix

@@ -9,6 +9,7 @@
     ./forgejo.nix
     ./searx.nix
     ./home-assistant.nix
+    ./wyoming.nix
     ./immich.nix
     ./qbittorent.nix
   ];

modules/nixos-modules/server/home-assistant.nix

@@ -34,6 +34,9 @@ in {
       jellyfin = {
         enable = lib.mkEnableOption "enable the jellyfin plugin";
       };
+      wyoming = {
+        enable = lib.mkEnableOption "enable wyoming";
+      };
     };
   };
 
@@ -108,6 +111,10 @@ in {
       services.home-assistant.extraComponents = ["jellyfin"];
       # TODO: configure port, address, and login information here
     })
+    (lib.mkIf (config.services.home-assistant.extensions.wyoming.enable) {
+      services.home-assistant.extraComponents = ["wyoming"];
+      services.wyoming.enable = true;
+    })
     (lib.mkIf (config.services.home-assistant.database == "postgres") {
       host = {
         postgres = {

modules/nixos-modules/server/wyoming.nix

@@ -0,0 +1,50 @@
+{
+  lib,
+  config,
+  ...
+}: {
+  options.services.wyoming.enable = lib.mkEnableOption "should wyoming be enabled on this device";
+  config = lib.mkIf config.services.wyoming.enable (lib.mkMerge [
+    {
+      services.wyoming.piper = {
+        servers = {
+          "en" = {
+            enable = true;
+            # see https://github.com/rhasspy/rhasspy3/blob/master/programs/tts/piper/script/download.py
+            voice = "en-us-amy-low";
+            uri = "tcp://0.0.0.0:10200";
+            speaker = 0;
+          };
+        };
+      };
+
+      services.wyoming.faster-whisper = {
+        servers = {
+          "en" = {
+            enable = true;
+            # see https://github.com/rhasspy/rhasspy3/blob/master/programs/asr/faster-whisper/script/download.py
+            model = "tiny-int8";
+            language = "en";
+            uri = "tcp://0.0.0.0:10300";
+            device = "cpu";
+          };
+        };
+      };
+
+      # needs access to /proc/cpuinfo
+      systemd.services."wyoming-faster-whisper-en".serviceConfig.ProcSubset = lib.mkForce "all";
+    }
+    (lib.mkIf config.host.impermanence.enable {
+      environment.persistence."/persist/system/root" = {
+        enable = true;
+        hideMounts = true;
+        directories = [
+          {
+            directory = "/var/lib/private/wyoming";
+            mode = "0700";
+          }
+        ];
+      };
+    })
+  ]);
+}