From 242d87fbf74069516a77dc4316e4e65c15d79054 Mon Sep 17 00:00:00 2001
From: Jordan Holt <jordan@vimium.com>
Date: Sun, 19 Jan 2025 14:26:59 +0000
Subject: [PATCH] Add home-assistant module

---
 modules/nixos/default.nix                     |   1 +
 .../nixos/services/home-assistant/default.nix | 306 ++++++++++++++++++
 .../home-assistant/floorplan/default.nix      | 100 ++++++
 .../home-assistant/floorplan/style.css        |  27 ++
 .../nixos/services/home-assistant/mqtt.nix    |  93 ++++++
 5 files changed, 527 insertions(+)
 create mode 100644 modules/nixos/services/home-assistant/default.nix
 create mode 100644 modules/nixos/services/home-assistant/floorplan/default.nix
 create mode 100644 modules/nixos/services/home-assistant/floorplan/style.css
 create mode 100644 modules/nixos/services/home-assistant/mqtt.nix

diff --git a/modules/nixos/default.nix b/modules/nixos/default.nix
index 55f2231..cd55461 100644
--- a/modules/nixos/default.nix
+++ b/modules/nixos/default.nix
@@ -8,6 +8,7 @@
     ./services/gitea.nix
     ./services/gitea-runner.nix
     ./services/headscale.nix
+    ./services/home-assistant
     ./services/mail.nix
     ./services/matrix.nix
     ./services/netbird.nix
diff --git a/modules/nixos/services/home-assistant/default.nix b/modules/nixos/services/home-assistant/default.nix
new file mode 100644
index 0000000..43a36b5
--- /dev/null
+++ b/modules/nixos/services/home-assistant/default.nix
@@ -0,0 +1,306 @@
+{
+  config,
+  lib,
+  pkgs,
+  self,
+  ...
+}:
+
+let
+  cfg = config.modules.services.home-assistant;
+in
+{
+  imports = [
+    ./floorplan/default.nix
+    ./mqtt.nix
+  ];
+
+  options.modules.services.home-assistant.enable = lib.mkEnableOption "home-assistant";
+
+  config = lib.mkIf cfg.enable {
+
+    age.secrets."files/services/home-assistant/secrets.yaml" = {
+      file = "${self.inputs.secrets}/files/services/home-assistant/secrets.yaml.age";
+      path = "${config.services.home-assistant.configDir}/secrets.yaml";
+      owner = "hass";
+      group = "hass";
+    };
+
+    services.home-assistant = {
+      enable = true;
+
+      config = {
+        automation = "!include automations.yaml";
+        backup = { };
+        binary_sensor = [ ];
+        default_config = { };
+        http = {
+          server_host = "::1";
+          trusted_proxies = [ "::1" ];
+          use_x_forwarded_for = true;
+        };
+        ffmpeg = { };
+        homeassistant = {
+          name = "Home";
+          latitude = "!secret latitude";
+          longitude = "!secret longitude";
+          country = "GB";
+          temperature_unit = "C";
+          time_zone = config.time.timeZone;
+          unit_system = "metric";
+          auth_providers = [
+            {
+              type = "trusted_networks";
+              trusted_networks = [
+                "100.64.0.0/10"
+                "127.0.0.1"
+              ];
+              allow_bypass_login = true;
+            }
+            {
+              type = "homeassistant";
+            }
+          ];
+        };
+        logger = {
+          default = "info";
+          logs = { };
+        };
+        lovelace = {
+          resources = [
+            {
+              url = "/local/nixos-lovelace-modulels/mushroom.js";
+              type = "module";
+            }
+          ];
+        };
+        media_player = [ ];
+        mobile_app = { };
+        onkyo = { };
+        open_meteo = { };
+        recorder = {
+          purge_keep_days = 365;
+        };
+        scene = "!include scenes.yaml";
+        script = "!include scripts.yaml";
+        sensor = [ ];
+        system_health = { };
+        zeroconf = { };
+      };
+
+      configDir = "/etc/home-assistant";
+
+      extraComponents = [
+        "air_quality"
+        "airly"
+        "alert"
+        "api"
+        "application_credentials"
+        "asuswrt"
+        "auth"
+        "automation"
+        "bayesian"
+        "binary_sensor"
+        # "blackbird"
+        "blueprint"
+        "bluetooth_adapters"
+        "bluetooth_le_tracker"
+        "button"
+        "calendar"
+        "camera"
+        "cast"
+        "cert_expiry"
+        "climate"
+        "co2signal"
+        "color_extractor"
+        "command_line"
+        "compensation"
+        "configurator"
+        "counter"
+        "cover"
+        "cpuspeed"
+        "default_config"
+        "demo"
+        "derivative"
+        "device_automation"
+        "device_sun_light_trigger"
+        "device_tracker"
+        "dlna_dmr"
+        "dlna_dms"
+        "dnsip"
+        "esphome"
+        "fail2ban"
+        "fan"
+        "feedreader"
+        "ffmpeg"
+        "file"
+        "file_upload"
+        "filesize"
+        "folder"
+        "folder_watcher"
+        "forecast_solar"
+        "frontend"
+        "gdacs"
+        "generic"
+        "generic_hygrostat"
+        "generic_thermostat"
+        "geo_json_events"
+        "geo_location"
+        "geo_rss_events"
+        "github"
+        "group"
+        "hardware"
+        "hdmi_cec"
+        "history_stats"
+        "homeassistant"
+        "homekit"
+        "homekit_controller"
+        "html5"
+        "http"
+        "humidifier"
+        "icloud"
+        "image_processing"
+        "input_boolean"
+        "input_button"
+        "input_datetime"
+        "input_number"
+        "input_select"
+        "input_text"
+        "integration"
+        "ios"
+        "jellyfin"
+        "light"
+        "local_calendar"
+        "local_file"
+        "local_ip"
+        "local_todo"
+        "lock"
+        "logentries"
+        "logger"
+        "lovelace"
+        "manual"
+        "manual_mqtt"
+        "matter"
+        "media_player"
+        "min_max"
+        "mjpeg"
+        "modern_forms"
+        "mold_indicator"
+        "moon"
+        "mysensors"
+        "network"
+        "nmap_tracker"
+        "notify"
+        "number"
+        "onboarding"
+        "onkyo"
+        "panel_custom"
+        "persistent_notification"
+        "person"
+        "ping"
+        "plant"
+        "prometheus"
+        "proximity"
+        "push"
+        "proximity"
+        "python_script"
+        "radio_browser"
+        "random"
+        "recorder"
+        "remote"
+        "repairs"
+        "rest"
+        "rest_command"
+        "rss_feed_template"
+        "scene"
+        "schedule"
+        "scrape"
+        "script"
+        "search"
+        "season"
+        "select"
+        "sense"
+        "sensor"
+        "sensorpush"
+        "shell_command"
+        "shopping_list"
+        "siren"
+        "smtp"
+        "snmp"
+        "sql"
+        "statistics"
+        "sun"
+        "switch"
+        "switch_as_x"
+        "system_health"
+        "system_log"
+        "systemmonitor"
+        "tag"
+        "tailscale"
+        "tcp"
+        "template"
+        "text"
+        "thread"
+        "threshold"
+        "time_date"
+        "timer"
+        "tod"
+        "todo"
+        "tomorrowio"
+        "trend"
+        "universal"
+        "upb"
+        "update"
+        "upnp"
+        "uptime"
+        "utility_meter"
+        "vacuum"
+        "vlc"
+        "vlc_telnet"
+        "wake_on_lan"
+        "water_heater"
+        "weather"
+        "websocket_api"
+        "wled"
+        "workday"
+        "worldclock"
+        "zone"
+      ];
+
+      extraPackages =
+        python3Packages: with python3Packages; [
+          onkyo-eiscp
+          zeroconf
+        ];
+
+      customLovelaceModules = with pkgs.home-assistant-custom-lovelace-modules; [
+        bubble-card
+        button-card
+        mushroom
+        sankey-chart
+        universal-remote-card
+        # zigbee2mqtt-networkmap
+      ];
+    };
+
+    systemd.services.home-assistant.preStart = lib.mkForce "";
+
+    modules.services.borgmatic.directories = [
+      config.services.home-assistant.configDir
+    ];
+
+    services.nginx = {
+      enable = true;
+      virtualHosts."home.mesh.vimium.net" = {
+        forceSSL = false;
+        extraConfig = ''
+          proxy_buffering off;
+        '';
+        locations."/" = {
+          proxyPass = "http://[::1]:8123";
+          proxyWebsockets = true;
+        };
+      };
+    };
+  };
+}
diff --git a/modules/nixos/services/home-assistant/floorplan/default.nix b/modules/nixos/services/home-assistant/floorplan/default.nix
new file mode 100644
index 0000000..b536a83
--- /dev/null
+++ b/modules/nixos/services/home-assistant/floorplan/default.nix
@@ -0,0 +1,100 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.modules.services.home-assistant;
+in
+{
+  config = lib.mkIf cfg.enable {
+    services.home-assistant = {
+      config.lovelace.resources = [
+        {
+          url = "/local/nixos-lovelace-modules/floorplan.js";
+          type = "module";
+        }
+      ];
+      customLovelaceModules = [
+        pkgs.ha-floorplan
+      ];
+    };
+
+    environment.etc."home-assistant/www/floorplan/style.css".source = ./style.css;
+    environment.etc."home-assistant/www/floorplan/config.yaml".text = builtins.toJSON {
+      image = {
+        location = "/local/floorplan/beetham.svg";
+        cache = false;
+      };
+      stylesheet = {
+        location = "/local/floorplan/style.css";
+        cache = false;
+      };
+
+      defaults = {
+        hover_action = "hover-info";
+        hold_action = "toggle";
+        tap_action = "more-info";
+      };
+
+      rules = [
+        {
+          name = "Rooms";
+          entities = [
+            {
+              entity = "light.bedroom_lamps";
+              element = "area.bedroom";
+            }
+            {
+              entity = "light.hallway_spots";
+              element = "area.hallway";
+            }
+            {
+              entity = "light.living_room_lamps";
+              element = "area.livingroom";
+            }
+            {
+              entity = "light.office_lamps";
+              element = "area.office";
+            }
+          ];
+          tap_action = "light.toggle";
+          state_action = {
+            service = "floorplan.class_set";
+            service_data = ''
+              if (entity.state === "on") {
+                return "light-on";
+              }
+              return "light-off";
+            '';
+          };
+        }
+        {
+          name = "Temperature";
+          entities = [
+            "sensor.motion_sensor_temperature"
+          ];
+          state_action = [
+            {
+              service = "floorplan.text_set";
+              service_data = ''
+                if (!isNaN(entity.state)) {
+                  return Math.round(entity.state * 10) / 10 + "°";
+                }
+                return "Unknown";
+              '';
+            }
+            {
+              service = "floorplan.class_set";
+              service_data = {
+                class = "static-temp";
+              };
+            }
+          ];
+        }
+      ];
+    };
+  };
+}
diff --git a/modules/nixos/services/home-assistant/floorplan/style.css b/modules/nixos/services/home-assistant/floorplan/style.css
new file mode 100644
index 0000000..a4e59ba
--- /dev/null
+++ b/modules/nixos/services/home-assistant/floorplan/style.css
@@ -0,0 +1,27 @@
+#floorplan {
+  padding: 10px;
+}
+
+svg, svg * {
+  vector-effect: non-scaling-stroke !important;
+  pointer-events: all !important;
+}
+
+path[id*="area."].light-on {
+  opacity: 0 !important;
+}
+
+path[id*="area."] {
+  opacity: 0.5 !important;
+  transition: opacity .25s;
+  -moz-transition: opacity .25s;
+  -webkit-transition: opacity .25s;
+}
+
+svg tspan {
+  fill: var(--primary-text-color);
+}
+
+.static-temp, .static-temp tspan {
+  fill: #ffffff;
+}
diff --git a/modules/nixos/services/home-assistant/mqtt.nix b/modules/nixos/services/home-assistant/mqtt.nix
new file mode 100644
index 0000000..d21c51b
--- /dev/null
+++ b/modules/nixos/services/home-assistant/mqtt.nix
@@ -0,0 +1,93 @@
+{
+  config,
+  lib,
+  pkgs,
+  self,
+  ...
+}:
+
+let
+  cfg = config.modules.services.home-assistant;
+in
+{
+  config = lib.mkIf cfg.enable {
+    services.mosquitto = {
+      enable = true;
+      listeners = [
+        {
+          acl = [ "pattern readwrite #" ];
+          omitPasswordAuth = true;
+          port = 1883;
+          settings = {
+            allow_anonymous = true;
+          };
+        }
+      ];
+    };
+
+    age.secrets."files/services/zigbee2mqtt/secret.yaml" = {
+      file = "${self.inputs.secrets}/files/services/zigbee2mqtt/secret.yaml.age";
+      path = "${config.services.zigbee2mqtt.dataDir}/secret.yaml";
+      owner = "zigbee2mqtt";
+      group = "zigbee2mqtt";
+    };
+
+    services.zigbee2mqtt = {
+      package = pkgs.unstable.zigbee2mqtt;
+      enable = true;
+      dataDir = "/var/lib/zigbee2mqtt";
+      settings = {
+        homeassistant = lib.optionalAttrs config.services.home-assistant.enable {
+          discovery_topic = "homeassistant";
+          status_topic = "hass/status";
+          legacy_entity_attributes = true;
+          legacy_triggers = true;
+        };
+        availability = true;
+        frontend = true;
+        device_options = {
+          retain = true;
+        };
+        serial = {
+          port = "/dev/serial/by-id/usb-Silicon_Labs_Sonoff_Zigbee_3.0_USB_Dongle_Plus_0001-if00-port0";
+        };
+        advanced = {
+          channel = 20;
+          network_key = "!secret.yaml network_key";
+          pan_id = 13001;
+          ext_pan_id = [
+            79
+            1
+            73
+            47
+            250
+            136
+            124
+            222
+          ];
+          transmit_power = 20;
+        };
+        mqtt = {
+          version = 5;
+          server = "mqtt://localhost:1883";
+        };
+      };
+    };
+
+    modules.services.borgmatic.directories = [
+      config.services.mosquitto.dataDir
+      config.services.zigbee2mqtt.dataDir
+    ];
+
+    services.home-assistant = {
+      config.mqtt = { };
+      extraComponents = [
+        "mqtt"
+        "mqtt_eventstream"
+        "mqtt_json"
+        "mqtt_room"
+        "mqtt_statestream"
+      ];
+    };
+  };
+}