Add honme-assistant module

modules/home-assistant/default.nix

@@ -0,0 +1,62 @@
+{
+  lib,
+  config,
+  options,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.pub-solar.home-assistant;
+in {
+  imports = [
+    ./home-assistant.nix
+    ./mqtt.nix
+    ./zigbee.nix
+  ];
+
+  options.pub-solar.home-assistant = {
+    enable = mkOption {
+      description = "Control your home";
+      type = types.bool;
+      default = false;
+    };
+
+    config = options.services.home-assistant.config;
+    extraComponents = options.services.home-assistant.extraComponents;
+    extraPackages = options.services.home-assistant.extraPackages;
+
+    mqtt = {
+      enable = mkOption {
+        description = "use mqtt";
+        type = types.bool;
+        default = true;
+      };
+
+      users = mkOption {
+        description = "mqtt users";
+        # type = types.AttrSet;
+        default = null;
+      };
+    };
+
+    zigbee2mqtt = {
+      enable = mkOption {
+        description = "Enable zigbee2mqtt";
+        type = types.bool;
+        default = false;
+      };
+
+      device = mkOption {
+        description = "Device to connect to zigbee network";
+        type = types.nullOr types.str;
+        default = null;
+      };
+
+      adapter = mkOption {
+        description = "Specify zigbee adapter type";
+        type = types.nullOr types.str;
+        default = null;
+      };
+    };
+  };
+}

modules/home-assistant/home-assistant.nix

@@ -0,0 +1,21 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.pub-solar.home-assistant;
+in {
+  config = mkIf cfg.enable {
+    services.home-assistant = {
+      enable = true;
+      openFirewall = true;
+      extraComponents =
+        cfg.extraComponents
+        ++ lib.optionals cfg.mqtt.enable ["mqtt"];
+      extraPackages = cfg.extraPackages;
+      config = cfg.config;
+    };
+  };
+}

modules/home-assistant/mqtt.nix

@@ -0,0 +1,21 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+with lib; let
+  haCfg = config.pub-solar.home-assistant;
+  cfg = config.pub-solar.home-assistant.mqtt;
+in {
+  config = mkIf (haCfg.enable && cfg.enable) {
+    networking.firewall.allowedTCPPorts = [
+      1883 # mosquitto
+    ];
+
+    services.mosquitto = {
+      enable = true;
+      listeners = [{users = cfg.users;}];
+    };
+  };
+}

modules/home-assistant/zigbee.nix

@@ -0,0 +1,35 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+with lib; let
+  haCfg = config.pub-solar.home-assistant;
+  cfg = config.pub-solar.home-assistant.zigbee2mqtt;
+in {
+  config = mkIf (haCfg.enable && cfg.enable) {
+    networking.firewall.allowedTCPPorts = [
+      8080 # zigbee2mqtt
+    ];
+
+    #services.udev.extraRules = ''KERNEL=="${cfg.device}", OWNER="zigbee2mqtt", GROUP="zigbee2mqtt"'';
+
+    services.zigbee2mqtt = {
+      enable = true;
+      settings = {
+        frontend = true;
+        permit_join = false;
+        homeassistant = true;
+        mqtt = {
+          user = "z2m";
+          password = "!secrets.yaml mqtt_password";
+        };
+        serial = {
+          port = cfg.device;
+          adapter = mkIf (cfg.adapter != null) cfg.adapter;
+        };
+      };
+    };
+  };
+}