fmt

README.md

@@ -1,6 +1,7 @@
 # mDNS service discovery for Prometheus
 
-Discovers mDNS/ZeroConf/Bonjour service announcements under \_prometheus-http.\_tcp for ad-hoc discovery of devices on LAN networks.
+Discovers mDNS/ZeroConf/Bonjour service announcements under
+\_prometheus-http.\_tcp for ad-hoc discovery of devices on LAN networks.
 
 ## Usage
 
@@ -38,4 +39,6 @@ MDNS.addServiceTxt("prometheus-http", "tcp", "name", prometheus_name);
 
 ## Credits
 
-Wholly inspired by [prometheus-mdns-sd](https://github.com/msiebuhr/prometheus-mdns-sd) by Morten Siebuhr
+Wholly inspired by
+[prometheus-mdns-sd](https://github.com/msiebuhr/prometheus-mdns-sd) by Morten
+Siebuhr

flake.nix

@@ -10,20 +10,21 @@
       inputs.flakelight.follows = "flakelight";
     };
   };
-  outputs = { mill-scale, ... }: mill-scale ./. {
-    nixosModules = { outputs, ... }: {
-      default =
-        { pkgs
-        , config
-        , lib
-        , ...
+  outputs = {mill-scale, ...}:
+    mill-scale ./. {
+      nixosModules = {outputs, ...}: {
+        default = {
+          pkgs,
+          config,
+          lib,
+          ...
         }: {
-          imports = [ ./nix/module.nix ];
+          imports = [./nix/module.nix];
           config = lib.mkIf config.services.prometheus-mdns-sd.enable {
-            nixpkgs.overlays = [ outputs.overlays.default ];
+            nixpkgs.overlays = [outputs.overlays.default];
             services.prometheus-mdns-sd.package = lib.mkDefault pkgs.prometheus-mdns-sd;
           };
         };
+      };
     };
-  };
 }

nix/module.nix

@@ -1,12 +1,12 @@
-{ config
-, lib
-, pkgs
-, ...
+{
+  config,
+  lib,
+  pkgs,
+  ...
 }:
 with lib; let
   cfg = config.services.prometheus-mdns-sd;
-in
-{
+in {
   options.services.prometheus-mdns-sd = {
     enable = mkEnableOption "WiFi prometheus exporter";
 
@@ -25,7 +25,7 @@ in
 
   config = mkIf cfg.enable {
     systemd.services."prometheus-mdns-sd" = {
-      wantedBy = [ "multi-user.target" ];
+      wantedBy = ["multi-user.target"];
 
       serviceConfig = {
         ExecStart = "${cfg.package}/bin/prometheus-mdns-sd-rs ${cfg.target}";
@@ -50,9 +50,9 @@ in
         RestrictAddressFamilies = "AF_INET";
         RestrictRealtime = true;
         ProtectProc = "invisible";
-        SystemCallFilter = [ "@system-service" "~@resources" "~@privileged" ];
+        SystemCallFilter = ["@system-service" "~@resources" "~@privileged"];
         IPAddressDeny = "any";
-        IPAddressAllow = [ "multicast" "192.168.0.0/16" ];
+        IPAddressAllow = ["multicast" "192.168.0.0/16"];
         PrivateUsers = true;
         ProcSubset = "pid";
         RuntimeDirectory = "prometheus-mdns-sd";

nix/overlay.nix

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

nix/package.nix

@@ -1,22 +1,21 @@
-{ stdenv
-, rustPlatform
-, lib
-,
-}:
-let
+{
+  stdenv,
+  rustPlatform,
+  lib,
+}: let
   inherit (lib.sources) sourceByRegex;
   inherit (builtins) fromTOML readFile;
-  src = sourceByRegex ../. [ "Cargo.*" "(src)(/.*)?" ];
+  src = sourceByRegex ../. ["Cargo.*" "(src)(/.*)?"];
   cargoPackage = (fromTOML (readFile ../Cargo.toml)).package;
 in
-rustPlatform.buildRustPackage rec {
-  inherit (cargoPackage) version;
+  rustPlatform.buildRustPackage rec {
+    inherit (cargoPackage) version;
 
-  pname = cargoPackage.name;
+    pname = cargoPackage.name;
 
-  inherit src;
+    inherit src;
 
-  cargoLock = {
-    lockFile = ../Cargo.lock;
-  };
-}
+    cargoLock = {
+      lockFile = ../Cargo.lock;
+    };
+  }