run nixpkgs-fmt

build03/configuration.nix

@@ -17,6 +17,7 @@
     ../roles/hetzner-network.nix
     ../roles/nginx.nix
     ../roles/raid.nix
+    ../roles/aarch64-builder.nix
 
     ../services/hound
     ../services/matterbridge.nix

build04/hardware-configuration.nix

@@ -5,7 +5,8 @@
 
 {
   imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
+    [
+      (modulesPath + "/profiles/qemu-guest.nix")
     ];
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "virtio_pci" ];
@@ -14,17 +15,20 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "zroot/root/nixos";
+    {
+      device = "zroot/root/nixos";
       fsType = "zfs";
     };
 
   fileSystems."/home" =
-    { device = "zroot/root/home";
+    {
+      device = "zroot/root/home";
       fsType = "zfs";
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/E6D6-572B";
+    {
+      device = "/dev/disk/by-uuid/E6D6-572B";
       fsType = "vfat";
     };
 

roles/aarch64-builder.nix

@@ -3,10 +3,10 @@
   nix.distributedBuilds = true;
   nix.buildMachines = [
     {
-      hostName = "aarch64.nixos.community";
+      hostName = "build04.nixos-community.org";
       maxJobs = 4;
       sshKey = config.sops.secrets.id_buildfarm.path;
-      sshUser = "ssh-ng://nix";
+      sshUser = "nix";
       system = "aarch64-linux";
       supportedFeatures = [
         "big-parallel"

roles/builder/users.nix

@@ -53,7 +53,8 @@ let
         opts.keys
       ];
     };
-in {
+in
+{
   users = {
     mutableUsers = false;
     users = lib.mapAttrs descToUser users;

roles/hercules-ci/default.nix

@@ -5,7 +5,8 @@ let
     sopsFile = ./secrets.yaml;
   };
   secrets = config.sops.secrets;
-in {
+in
+{
   sops.secrets."binary-caches.json" = herculesSecret;
   sops.secrets."cluster-join-token.key" = herculesSecret;
   sops.secrets."hercules-secrets" = herculesSecret;

roles/hetzner-network.nix

@@ -2,7 +2,8 @@
 with lib;
 let
   cfg = config.networking.nix-community;
-in {
+in
+{
   options = {
     networking.nix-community.ipv6.address = mkOption {
       type = types.str;

roles/telegraf/default.nix

@@ -52,21 +52,27 @@ in
                 }
               }
             '')
-            ) ++ (let
+          ) ++ (
+            let
               collectHosts = shares: fs:
                 if builtins.elem fs.fsType [ "nfs" "nfs3" "nfs4" ] then
-                  shares // (let
+                  shares // (
+                    let
                       # also match ipv6 addresses
                       group = builtins.match "\\[?([^\]]+)]?:([^:]+)$" fs.device;
                       host = builtins.head group;
                       path = builtins.elemAt group 1;
-                  in {
+                    in
+                    {
                       ${host} = (shares.${host} or [ ]) ++ [ path ];
-                  })
+                    }
+                  )
                 else
                   shares;
               nfsHosts = lib.foldl collectHosts { } (builtins.attrValues config.fileSystems);
-            in lib.mapAttrsToList (host: args:
+            in
+            lib.mapAttrsToList
+              (host: args:
                 (pkgs.writeScript "zpool-health" ''
                   #!${pkgs.gawk}/bin/awk -f
                   BEGIN {
@@ -85,7 +91,8 @@ in
                     }
                   }
                 '') + " ${host} ${builtins.concatStringsSep " " args}"
-            ) nfsHosts
+              )
+              nfsHosts
           );
           data_format = "influx";
         }];

services/hydra/default.nix

@@ -1,8 +1,9 @@
-{ hydra }:
-{ lib, pkgs, config, ... }:
-
-with lib;
-let
+{ hydra }: { lib
+           , pkgs
+           , config
+           , ...
+           }:
+with lib; let
   cfg = config;
 
   hydraPort = 3000;
@@ -53,7 +54,8 @@ in
         unfreeRedistributable
         issl
       ];
-      allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+      allowUnfreePredicate = pkg:
+        builtins.elem (lib.getName pkg) [
           "cudnn_cudatoolkit"
           "cudatoolkit"
         ];
@@ -71,19 +73,24 @@ in
       port = hydraPort;
       useSubstitutes = true;
       adminPasswordFile = config.sops.secrets.hydra-admin-password.path;
-      buildMachinesFiles = [
-        (pkgs.writeText "builders" ''
-          localhost x86_64-linux,builtin - 8 1 nixos-test,big-parallel,kvm  -
-          ssh://nix@build04.nix-community.org aarch64-linux ${config.sops.secrets.id_buildfarm.path} 4 1 nixos-test,big-parallel,kvm  -
-        '')
-      ];
-
       usersFile = config.sops.secrets.hydra-users.path;
       extraConfig = ''
         max_output_size = ${builtins.toString (8 * 1024 * 1024 * 1024)}
       '';
     };
 
+    nix = {
+      distributedBuilds = true;
+      buildMachines = [
+        {
+          hostName = "localhost";
+          systems = [ "x86_64-linux" "builtin" ];
+          maxJobs = 8;
+          supportedFeatures = [ "nixos-test" "big-parallel" "kvm" ];
+        }
+      ];
+    };
+
     services.postgresql = {
       enable = true;
       settings = {

users/adisbladis.nix

@@ -12,7 +12,8 @@ in
     useDefaultShell = true;
     isNormalUser = true;
     extraGroups = [
-      "wheel" "trusted"
+      "wheel"
+      "trusted"
     ];
     uid = userLib.mkUid "adis";
   };

users/flokli.nix

@@ -11,7 +11,8 @@ in
     useDefaultShell = true;
     isNormalUser = true;
     extraGroups = [
-      "wheel" "trusted"
+      "wheel"
+      "trusted"
     ];
     uid = userLib.mkUid "flok";
   };

users/lewo.nix

@@ -11,7 +11,8 @@ in
     useDefaultShell = true;
     isNormalUser = true;
     extraGroups = [
-      "wheel" "trusted"
+      "wheel"
+      "trusted"
     ];
     uid = userLib.mkUid "lewo";
   };

users/mic92.nix

@@ -11,7 +11,8 @@ in
     useDefaultShell = true;
     isNormalUser = true;
     extraGroups = [
-      "wheel" "trusted"
+      "wheel"
+      "trusted"
     ];
     uid = userLib.mkUid "micc";
   };

users/ryantm.nix

@@ -12,7 +12,8 @@ in
     useDefaultShell = true;
     isNormalUser = true;
     extraGroups = [
-      "wheel" "trusted"
+      "wheel"
+      "trusted"
     ];
     uid = userLib.mkUid "rytm";
   };

users/zimbatm.nix

@@ -13,7 +13,8 @@ in
     useDefaultShell = true;
     isNormalUser = true;
     extraGroups = [
-      "wheel" "trusted"
+      "wheel"
+      "trusted"
     ];
     uid = userLib.mkUid "zimb";
   };