fmt

README.md

@@ -4,9 +4,8 @@ Publish tasmota (and other) state into prometheus
 
 ## What
 
-Taspromto listens to messages published by tasmota (and other) devices to MQTT and presents the data in a prometheus
-compatible
-format.
+Taspromto listens to messages published by tasmota (and other) devices to MQTT
+and presents the data in a prometheus compatible format.
 
 ## Usage
 
@@ -26,17 +25,20 @@ The following tasmota data is supported
 - ON/OFF state
 - Current and total power consumption for power meter devices
 - CO² levels for [MH-Z19 sensors](https://tasmota.github.io/docs/MH-Z19B/)
-- Power and Gas levels from [supported P1 smart meters](https://tasmota.github.io/docs/Smart-Meter-Interface/)
+- Power and Gas levels from
+  [supported P1 smart meters](https://tasmota.github.io/docs/Smart-Meter-Interface/)
 - Particle concentration from PMS5003 sensors
-- 433Mhz temperature sensor readings from [`rtl_433`](https://github.com/merbanan/rtl_433)
+- 433Mhz temperature sensor readings from
+  [`rtl_433`](https://github.com/merbanan/rtl_433)
 
 ## Xiaomi MI Temperature and Humidity Sensors
 
-Tasmota can expose temperature and humidity data from Xiaomi sensors, to expose these sensors you need to configure the
-names for the sensors.
+Tasmota can expose temperature and humidity data from Xiaomi sensors, to expose
+these sensors you need to configure the names for the sensors.
 
-This is done by setting the `MITEMP_NAMES` environment variable to comma separated key value pairs of the last 6 digits
-of the MAC address of the sensors and the desired name.
+This is done by setting the `MITEMP_NAMES` environment variable to comma
+separated key value pairs of the last 6 digits of the MAC address of the sensors
+and the desired name.
 
 ```dotenv
 MITEMP_NAMES="351234=Bedroom,352468=Living Room"
@@ -44,12 +46,13 @@ MITEMP_NAMES="351234=Bedroom,352468=Living Room"
 
 ## 433Mhz temperature sensors
 
-Taspromto can parse data 433Mhz temperature sensors send to MQTT by [`rtl_433`](https://github.com/merbanan/rtl_433).
+Taspromto can parse data 433Mhz temperature sensors send to MQTT by
+[`rtl_433`](https://github.com/merbanan/rtl_433).
 
-rtl_433 needs to be configured to send it's output to the `rtl_433[/model]` topic, then sensors can be configured by
-setting
-the `RF_TEMP_NAMES` environment variable to comma seperated key value pairs. Where the key is the sensor model, id and
-channel.
+rtl_433 needs to be configured to send it's output to the `rtl_433[/model]`
+topic, then sensors can be configured by setting the `RF_TEMP_NAMES` environment
+variable to comma seperated key value pairs. Where the key is the sensor model,
+id and channel.
 
 ```dotenv
 RF_TEMP_NAMES="Bresser-3CH:73:1=Front Yard,Bresser-3CH:73:2=Attic"

docker.nix

@@ -1,6 +1,6 @@
-{ dockerTools
-, taspromto
-,
+{
+  dockerTools,
+  taspromto,
 }:
 dockerTools.buildLayeredImage {
   name = "icewind1991/taspromto";
@@ -11,9 +11,9 @@ dockerTools.buildLayeredImage {
     dockerTools.caCertificates
   ];
   config = {
-    Cmd = [ "taspromto" ];
+    Cmd = ["taspromto"];
     ExposedPorts = {
-      "80/tcp" = { };
+      "80/tcp" = {};
     };
   };
 }

flake.nix

@@ -10,22 +10,23 @@
       inputs.flakelight.follows = "flakelight";
     };
   };
-  outputs = { mill-scale, ... }: mill-scale ./. {
-    packages.tasprompto = import ./package.nix;
+  outputs = {mill-scale, ...}:
+    mill-scale ./. {
+      packages.tasprompto = import ./package.nix;
 
-    nixosModules = { outputs, ... }: {
-      default =
-        { pkgs
-        , config
-        , lib
-        , ...
+      nixosModules = {outputs, ...}: {
+        default = {
+          pkgs,
+          config,
+          lib,
+          ...
         }: {
-          imports = [ ./module.nix ];
+          imports = [./module.nix];
           config = lib.mkIf config.services.taspromto.enable {
-            nixpkgs.overlays = [ outputs.overlays.default ];
+            nixpkgs.overlays = [outputs.overlays.default];
             services.taspromto.package = lib.mkDefault pkgs.taspromto;
           };
         };
+      };
     };
-  };
 }

module.nix

@@ -1,11 +1,12 @@
-{ config
-, lib
-, pkgs
-, ...
+{
+  config,
+  lib,
+  pkgs,
+  ...
 }:
 with lib; let
   cfg = config.services.taspromto;
-  format = pkgs.formats.toml { };
+  format = pkgs.formats.toml {};
   configFile = format.generate "taspromto-config.toml" {
     listen = {
       inherit (cfg) port;
@@ -14,29 +15,30 @@ with lib; let
       mitemp = cfg.mitempNames;
       rftemp = cfg.rfChannelNames;
     };
-    mqtt = {
-      inherit (cfg.mqtt) hostname port;
-    } // (
-      optionalAttrs (cfg.mqtt.passwordFile != null) {
-        inherit (cfg.mqtt) username;
-        password_file = "$CREDENTIALS_DIRECTORY/mqtt_password";
+    mqtt =
+      {
+        inherit (cfg.mqtt) hostname port;
       }
-    );
+      // (
+        optionalAttrs (cfg.mqtt.passwordFile != null) {
+          inherit (cfg.mqtt) username;
+          password_file = "$CREDENTIALS_DIRECTORY/mqtt_password";
+        }
+      );
   };
-in
-{
+in {
   options.services.taspromto = {
     enable = mkEnableOption "taspromto";
 
     mitempNames = mkOption {
       type = types.attrs;
-      default = { };
+      default = {};
       description = "Names for mitemp sensors";
     };
 
     rfChannelNames = mkOption {
       type = types.attrs;
-      default = { };
+      default = {};
       description = "Names for 433mhz temperature sensors";
     };
 
@@ -81,7 +83,7 @@ in
 
   config = mkIf cfg.enable {
     systemd.services."taspromto" = {
-      wantedBy = [ "multi-user.target" ];
+      wantedBy = ["multi-user.target"];
 
       serviceConfig = {
         LoadCredential = optional (cfg.mqtt.passwordFile != null) [
@@ -108,13 +110,13 @@ in
         ProtectHostname = true;
         LockPersonality = true;
         ProtectKernelTunables = true;
-        RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
+        RestrictAddressFamilies = ["AF_INET" "AF_INET6" "AF_UNIX"];
         RuntimeDirectory = "taspromto";
         RestrictRealtime = true;
         ProtectProc = "noaccess";
-        SystemCallFilter = [ "@system-service" "~@resources" "~@privileged" ];
+        SystemCallFilter = ["@system-service" "~@resources" "~@privileged"];
         IPAddressDeny = "any";
-        IPAddressAllow = [ "localhost" cfg.mqtt.hostname ];
+        IPAddressAllow = ["localhost" cfg.mqtt.hostname];
         PrivateUsers = true;
         ProcSubset = "pid";
       };

overlay.nix

@@ -1,3 +1,3 @@
 final: prev: {
-  taspromto = final.callPackage ./package.nix { };
+  taspromto = final.callPackage ./package.nix {};
 }

package.nix

@@ -1,19 +1,18 @@
-{ stdenv
-, rustPlatform
-, lib
-,
-}:
-let
+{
+  stdenv,
+  rustPlatform,
+  lib,
+}: let
   inherit (lib.sources) sourceByRegex;
-  src = sourceByRegex ./. [ "Cargo.*" "(src)(/.*)?" ];
+  src = sourceByRegex ./. ["Cargo.*" "(src)(/.*)?"];
 in
-rustPlatform.buildRustPackage rec {
-  pname = "taspromto";
-  version = "0.1.0";
+  rustPlatform.buildRustPackage rec {
+    pname = "taspromto";
+    version = "0.1.0";
 
-  inherit src;
+    inherit src;
 
-  cargoLock = {
-    lockFile = ./Cargo.lock;
-  };
-}
+    cargoLock = {
+      lockFile = ./Cargo.lock;
+    };
+  }