add distributd builds

nixos/boxes/foureighty.nix

@@ -12,10 +12,12 @@
         allowDiscards = true;
       };
     };
+
     loader.grub = {
       device = "nodev";
       efiSupport = true;
     };
+
     loader.efi.canTouchEfiVariables = true;
   };
 
@@ -30,7 +32,6 @@
   };
 
   hardware.nvidiaOptimus.disable = true;
-  hardware.opengl.extraPackages = [ pkgs.linuxPackages.nvidia_x11.out ];
 
   imports = [
     /etc/nixos/hardware-configuration.nix
@@ -40,5 +41,6 @@
     ../virtualbox.nix
     ../zerotier.nix
     ../i3/system.nix
+    ../distributed-builds.nix
   ];
 }

nixos/boxes/skinnyv.nix

@@ -41,5 +41,6 @@
       ../gfx-intel.nix
       ../zerotier.nix
       ../i3/system.nix
+      ../distributed-builds.nix
     ];
   }

nixos/distributed-builds.nix

@@ -0,0 +1,31 @@
+{ config, pkgs, ... }:
+{
+  nix.buildMachines = [
+    {
+      hostName = "brix.local";
+      sshUser = "nix-builder";
+      sshKey = "/home/cyryl/.ssh/id_ed25519";
+      system = "x86_64-linux";
+      maxJobs = 2;
+      speedFactor = 1;
+      supportedFeatures = [ "kvm" ];
+      mandatoryFeatures = [ ];
+    }
+    {
+      hostName = "vultr1.local";
+      sshUser = "nix-builder";
+      sshKey = "/home/cyryl/.ssh/id_ed25519";
+      system = "x86_64-linux";
+      maxJobs = 4;
+      speedFactor = 4;
+      supportedFeatures = [ ];
+      mandatoryFeatures = [ ];
+    }
+  ];
+
+  nix.extraOptions = ''
+      builders-use-substitutes = true
+  '';
+  nix.distributedBuilds = true;
+
+}