display | updates to generate sdimage

hosts/display/colmena.nix

@@ -0,0 +1,4 @@
+{ inputs, outputs, lib, config, pkgs, ... }: {
+  imports = [ ./default.nix ];
+  deployment = { tags = [ "arm" ]; };
+}

hosts/display/default.nix

@@ -2,8 +2,14 @@
   imports = [
     inputs.nixos-hardware.nixosModules.raspberry-pi-4
     ./hardware-configuration.nix
-    ../../server
+    ../server
     ./kiosk.nix
   ];
   networking.hostName = "display";
+  nixpkgs.overlays = [
+    (final: super: {
+      makeModulesClosure = x:
+        super.makeModulesClosure (x // { allowMissing = true; });
+    })
+  ];
 }

hosts/display/hardware-configuration.nix

@@ -0,0 +1,32 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }: {
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  boot.initrd.availableKernelModules = [ ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+  boot.loader.grub.enable = false;
+  boot.loader.generic-extlinux-compatible.enable = true;
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-label/NIXOS_SD";
+    fsType = "ext4";
+    options = [ "noatime" ];
+  };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enu1u1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlan0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+}

hosts/display/kiosk.nix

@@ -2,8 +2,9 @@
   environment.systemPackages = with pkgs; [ cog ];
 
   services.cage = {
-      enable = true;
-      user = "don";
-      program = "${pkgs.cog}/bin/cog http://homeassistant.home.duckland.org:8123/dashboard-pi/0";
+    enable = true;
+    user = "don";
+    program =
+      "${pkgs.cog}/bin/cog http://homeassistant.home.duckland.org:8123/dashboard-pi/0";
   };
 }