Added mosquitto as mqtt broker

modules/nixos/services/homeassistant/default.nix

@@ -33,6 +33,8 @@ in {
       extraComponents = [
         "hue"
         "met"
+        "mqtt"
+        "octoprint"
         "tuya"
         "vizio"
         "zeroconf"

modules/nixos/services/mosquitto/default.nix

@@ -0,0 +1,45 @@
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  format,
+  ...
+}:
+with lib; let
+  cfg = config.aa.services.mosquitto;
+  mosquitto_cfg = config.services.mosquitto;
+in {
+  options.aa.services.mosquitto = with types; {
+    enable = mkEnableOption "home assistant";
+  };
+  config = mkIf cfg.enable {
+    age.secrets = {
+      hass_mqtt.file = ../../../../secrets/hass_mqtt.age;
+      theengs_ble_mqtt.file = ../../../../secrets/theengs_ble_mqtt.age;
+    };
+
+    services.mosquitto = {
+      enable = true;
+      listeners = [
+        {
+          users = {
+            hass = {
+              acl = [
+                "read home/#"
+                "readwrite homeassistant/status"
+              ];
+              passwordFile = config.age.secrets.hass_mqtt.path;
+            };
+            theengs_ble_gateway = {
+              acl = ["readwrite home/#"];
+              passwordFile = config.age.secrets.theengs_ble_mqtt.path;
+            };
+          };
+        }
+      ];
+    };
+
+    networking.firewall.allowedTCPPorts = [1883];
+  };
+}