From ef25d69c4d273765afd2ef86783e42bc98ca4b3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Fri, 30 Dec 2022 21:13:56 +0100
Subject: nixos: move home assistant around

---
 nixos/modules/home-assistant.nix | 175 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 nixos/modules/home-assistant.nix

(limited to 'nixos/modules/home-assistant.nix')

diff --git a/nixos/modules/home-assistant.nix b/nixos/modules/home-assistant.nix
new file mode 100644
index 0000000..80c76b3
--- /dev/null
+++ b/nixos/modules/home-assistant.nix
@@ -0,0 +1,175 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cnf = config.cynerd.home-assistant;
+
+in {
+  options = {
+    cynerd.home-assistant = mkEnableOption "Enable Home Assistant and Bigclown";
+  };
+
+  config = mkIf cnf {
+
+    services.mosquitto = {
+      enable = true;
+      listeners = [
+        {
+          users = {
+            cynerd = {
+              acl = ["readwrite #"];
+              passwordFile = "/run/secrets/mosquitto.cynerd.pass";
+            };
+            bigclown = {
+              acl = ["readwrite bigclown/#"];
+              passwordFile = "/run/secrets/mosquitto.bigclown.pass";
+            };
+            homeassistant = {
+              acl = [
+                "readwrite bigclown/#"
+                "readwrite homeassistant/#"
+              ];
+              passwordFile = "/run/secrets/mosquitto.homeassistant.pass";
+            };
+          };
+        }
+      ];
+    };
+    networking.firewall.allowedTCPPorts = [1883];
+
+    services.bigclown = {
+      gateway = {
+        enable = true;
+        device = "/dev/ttyUSB0";
+        environmentFile = "/run/secrets/bigclown.env";
+        baseTopicPrefix = "bigclown/";
+        mqtt = {
+          username = "bigclown";
+          password = "@PASS_MQTT@";
+        };
+      };
+      mqtt2influxdb = {
+        enable = true;
+        environmentFile = "/run/secrets/bigclown.env";
+        mqtt = {
+          username = "bigclown";
+          password = "@PASS_MQTT@";
+        };
+        influxdb = {
+          host = "cynerd.cz";
+          database = "bigclown";
+          username = "bigclown";
+          password = "@PASS_INFLUXDB@";
+          ssl = true;
+          verify_ssl = false;
+        };
+        points = [
+          {
+            measurement = "temperature";
+            topic = "bigclown/node/+/thermometer/+/temperature";
+            fields.value = "$.payload";
+            tags = {
+              id = "$.topic[2]";
+              channel = "$.topic[4]";
+            };
+          }
+          {
+            measurement = "relative-humidity";
+            topic = "bigclown/node/+/hygrometer/+/relative-humidity";
+            fields.value = "$.payload";
+            tags = {
+              id = "$.topic[2]";
+              channel = "$.topic[4]";
+            };
+          }
+          {
+            measurement = "illuminance";
+            topic = "bigclown/node/+/lux-meter/0:0/illuminance";
+            fields.value = "$.payload";
+            tags = {
+              id = "$.topic[2]";
+            };
+          }
+          {
+            measurement = "pressure";
+            topic = "bigclown/node/+/barometer/0:0/pressure";
+            fields.value = "$.payload";
+            tags = {
+              id = "$.topic[2]";
+            };
+          }
+          {
+            measurement = "voltage";
+            topic = "bigclown/node/+/battery/+/voltage";
+            fields.value = "$.payload";
+            tags = {
+              id = "$.topic[2]";
+            };
+          }
+          {
+            measurement = "button";
+            topic = "bigclown/node/+/push-button/+/event-count";
+            fields.value = "$.payload";
+            tags = {
+              id = "$.topic[2]";
+              channel = "$.topic[4]";
+            };
+          }
+        ];
+      };
+    };
+
+    systemd.services.bigclown-leds = {
+      description = "Bigclown LEDs control";
+      wantedBy = ["multi-user.target"];
+      wants = ["mosquitto.service"];
+      serviceConfig.ExecStart = "${pkgs.bigclown-leds}/bin/bigclown-leds /run/secrets/bigclown-leds.ini";
+    };
+
+    services.home-assistant = {
+      enable = false;
+      openFirewall = true;
+      configDir = "/var/lib/hass";
+      config = {
+        homeassistant = {
+          name = "SPT";
+          latitude = "!secret latitude";
+          longitude = "!secret longitude";
+          elevation = "!secret elevation";
+          time_zone = "Europe/Prague";
+          country = "CZ";
+        };
+        http.server_port = 8808;
+        mqtt = {
+          broker = "localhost";
+          port = 1883;
+          username = "homeassistant";
+          password = "!secret mqtt_password";
+          sensor = import ./home-assistant/sensors.nix;
+          light = import ./home-assistant/light.nix;
+        };
+        met = {};
+        default_config = {};
+      };
+      extraComponents = [];
+      package = pkgs.home-assistant.override {
+        extraPackages = pkgs: with pkgs; [
+          securetar
+        ];
+        packageOverrides = (self: super: {
+          scapy = super.scapy.override {
+            withPlottingSupport = false;
+          };
+          s3transfer = super.s3transfer.overridePythonAttrs (oldAttrs: {
+            dontUsePytestCheck = true;
+            dontUseSetuptoolsCheck = true;
+          });
+        });
+      };
+    };
+
+  };
+
+}
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