nuc

modules/nixos/homeassistant/services/esphome/default.nix

@@ -1,45 +1,28 @@
 {
   config,
   lib,
-  pkgs,
   namespace,
   ...
 }:
 with lib;
 let
   cfg = config.${namespace}.services.home-assistant;
-
-  # ESPHome with littlefs-python and fatfs-ng added to PYTHONPATH so PlatformIO's
-  # espressif32 platform builder can import them (needed for LittleFS/FAT support).
-  # fatfs-ng is the correct package: it installs under the 'fatfs' namespace and
-  # provides create_extended_partition and ESP32 wear-leveling support required by
-  # pioarduino's platform builder (penv_setup.py specifies "fatfs-ng>=0.1.14").
-  esphomeWithLittlefs = pkgs.esphome.overridePythonAttrs (oldAttrs: {
-    makeWrapperArgs = (oldAttrs.makeWrapperArgs or [ ]) ++ [
-      "--prefix PYTHONPATH : ${pkgs.${namespace}.littlefs-python}/${pkgs.python3.sitePackages}"
-      "--prefix PYTHONPATH : ${pkgs.${namespace}.fatfs-ng}/${pkgs.python3.sitePackages}"
-    ];
-  });
 in
 {
   config = mkIf cfg.enable {
-    services = {
-      esphome = {
-        enable = true;
-        openFirewall = true; # 6052
-        address = "0.0.0.0";
-        package = esphomeWithLittlefs;
+    virtualisation.oci-containers.containers.esphome = {
+      autoStart = true;
+      image = "ghcr.io/esphome/esphome:2026.2.4";
+      ports = [ "6052:6052" ];
+      volumes = [
+        "/var/lib/esphome:/config"
+      ];
+      environment = {
+        TZ = "America/Chicago";
       };
     };
 
-    # Add uv to the ESPHome service PATH so PlatformIO uses the Nix-provided
-    # binary instead of downloading its own (which would fail due to permissions).
-    # Also disable MemoryDenyWriteExecute so uv (a native Rust binary) can run.
-    systemd.services.esphome = {
-      path = [ pkgs.uv ];
-      serviceConfig = {
-        MemoryDenyWriteExecute = lib.mkForce false;
-      };
-    };
+    # Open the ESPHome dashboard port
+    networking.firewall.allowedTCPPorts = [ 6052 ];
   };
 }

packages/python/fatfs-ng/default.nix

@@ -1,40 +0,0 @@
-{
-  lib,
-  python3Packages,
-}:
-
-python3Packages.buildPythonPackage rec {
-  pname = "fatfs-ng";
-  version = "0.1.15";
-  format = "setuptools";
-
-  src = python3Packages.fetchPypi {
-    pname = "fatfs_ng";
-    inherit version;
-    hash = "sha256-qwSMf3s8+IxVi6mHEWr8vYa6/bMUXcaGWhULUMaADAs=";
-  };
-
-  # wrapper.c is pre-generated in the sdist; Cython is not needed at build time.
-  # Patch out setup_requires=['cython'] to prevent setuptools from trying to
-  # fetch it via pip at build time (which fails in the Nix sandbox).
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace-fail "setup_requires=['cython']," ""
-  '';
-
-  nativeBuildInputs = with python3Packages; [
-    setuptools
-  ];
-
-  doCheck = false;
-
-  # fatfs-ng installs under the 'fatfs' namespace (ext_package='fatfs')
-  pythonImportsCheck = [ "fatfs" ];
-
-  meta = with lib; {
-    description = "Enhanced Python wrapper around ChaN's FatFS library with ESP32 wear-leveling support";
-    homepage = "https://github.com/Jason2866/pyfatfs";
-    license = licenses.mit;
-    maintainers = [ ];
-  };
-}

packages/python/littlefs-python/default.nix

@@ -1,33 +0,0 @@
-{
-  lib,
-  python3Packages,
-}:
-
-python3Packages.buildPythonPackage rec {
-  pname = "littlefs-python";
-  version = "0.17.1";
-  pyproject = true;
-
-  src = python3Packages.fetchPypi {
-    pname = "littlefs_python";
-    inherit version;
-    hash = "sha256-O8D9Tnf5T6ZVlRdRfPqj38dCUkcayW4a5fWQaJ4ErtA=";
-  };
-
-  build-system = with python3Packages; [
-    setuptools
-    setuptools-scm
-    cython
-  ];
-
-  doCheck = false;
-
-  pythonImportsCheck = [ "littlefs" ];
-
-  meta = with lib; {
-    description = "Python bindings for littlefs, the filesystem designed for small embedded targets";
-    homepage = "https://github.com/jrast/littlefs-python";
-    license = licenses.mit;
-    maintainers = [ ];
-  };
-}

systems/x86_64-linux/nuc-nixos/default.nix

@@ -31,7 +31,7 @@
     impermanence = {
       enable = true;
       extraDirectories = [
-        "/var/lib/private/esphome"
+        "/var/lib/esphome"
         "/var/lib/homeassistant"
         "/var/lib/mosquitto"
         "/var/lib/music-assistant"