remote building

clhickey-nixos/configuration.nix

@@ -12,6 +12,8 @@
   cos.winboat.enable = true;
   cos.docker.enable = true;
 
+  cos.remoteBuild.enable = true;
+
   boot = {
     loader = {
       systemd-boot.enable = true;

cos.nix

@@ -5,6 +5,7 @@
     ./wireguard.nix
     ./winboat.nix
     ./docker.nix
+    ./remoteBuild.nix
     "${inputs.home-manager}/nixos"
   ];
 

remoteBuild.nix

@@ -0,0 +1,24 @@
+{ lib, config, ... }:
+let cfg = config.cos.remoteBuild; in
+{
+  options.cos.remoteBuild = {
+    enable = lib.mkEnableOption "Turn on remote builders";
+  };
+
+  config = lib.mkIf cfg.enable {
+    cos.wireguard.enable = true;
+
+    nix.buildMachines = [{
+      sshUser = "clhickey";
+      hostName = config.cos.wireguard.clientPubOptionsMap.nixnas.ip;
+      system = "x86_64-linux";
+      protocol = "ssh-ng";
+      maxJobs = 4;
+      speedFactor = 1;
+      supportedFeatures = [ "kvm" "nixos-tests" "big-parallel" ];
+      mandatoryFeatures = [];
+    }];
+    nix.distributedBuilds = true;
+    nix.settings.builders-use-substitutes = false;
+  };
+}