Begin testing remote builds

modules/system/devices/video/nvidia/default.nix

@@ -1,18 +1,19 @@
 { config, lib, ... }:
 {
-  config = lib.mkIf (lib.elem "nvidia" config.services.xserver.videoDrivers) {
-    boot.kernelParams = [ "nvidia_drm.fbdev=1" ]; # Framebuffer fixes TTY access
+  boot.kernelParams = [
+    "nouveau.config=NvGspRm=1" # Use high power mode for Nouveau
+    "nvidia_drm.fbdev=1" # Fix framebuffer
+  ];
 
-    hardware.nvidia = {
-      modesetting.enable = true;
-      nvidiaSettings = false;
-      open = true;
-    };
+  hardware.nvidia = {
+    modesetting.enable = true;
+    nvidiaSettings = false;
+    open = true;
+  };
 
-    nixpkgs.allowUnfreePackages = [ "nvidia-x11" ];
+  nixpkgs.allowUnfreePackages = [ "nvidia-x11" ];
 
-    specialisation.nouveau.configuration.config.services.xserver.videoDrivers = lib.mkForce [ "nouveau" ];
-  } // {
-    boot.kernelParams = [ "nouveau.config=NvGspRm=1" ];
+  specialisation = lib.mkIf (lib.elem "nvidia" config.services.xserver.videoDrivers) {
+    nouveau.configuration.config.services.xserver.videoDrivers = lib.mkForce [ "nouveau" ];
   };
 }

modules/system/settings/nix/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./channels
+    ./distributed
     ./gc
     ./unfree
   ];
@@ -17,6 +18,6 @@
     };
   };
 
-  # Use nixos-rebuild-ng
+  # Use a newer implementation of nixos-rebuild
   system.rebuild.enableNg = true;
 }

modules/system/settings/nix/distributed/default.nix

@@ -0,0 +1,33 @@
+{ nodes, ... }:
+{
+  nix = {
+    settings = {
+      max-jobs = 0;
+      trusted-users = [ "root" ];
+    };
+
+    distributedBuilds = true;
+    buildMachines = with nodes; [
+      {
+        hostName = midas.config.deployment.targetHost;
+        system = midas.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = kitty.config.deployment.targetHost;
+        system = kitty.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = prophet.config.deployment.targetHost;
+        system = prophet.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = detritus.config.deployment.targetHost;
+        system = detritus.config.nixpkgs.localSystem.system;
+      }
+      {
+        hostName = elder.config.deployment.targetHost;
+        system = elder.config.nixpkgs.localSystem.system;
+      }
+    ];
+  };
+}