Merge #100

100: get rid of virtual variant again r=Mic92 a=Mic92



Co-authored-by: Jörg Thalheim <joerg@thalheim.io>

README.md

@@ -14,7 +14,7 @@ Kexec is a mechanism in Linux to load a new kernel from a running Linux to
 replace the current kernel. This is useful for booting the Nixos installer from
 existing Linux distributions, such as server provider that do not offer a NixOS
 option. After running kexec, the NixOS installer exists only in memory. At the
-time of writing, this requires at least 2.5GB of physical RAM (swap does not
+time of writing, this requires at least 1.5GB of physical RAM (swap does not
 count) in the system. If not enough RAM is available, the initrd cannot be
 loaded. Because the NixOS runs only in RAM, users can reformat all the system's
 discs to prepare for a new NixOS installation.
@@ -22,7 +22,7 @@ discs to prepare for a new NixOS installation.
 It can be booted as follows by running these commands as root:
 
 ```
-curl -L https://github.com/nix-community/nixos-images/releases/download/nixos-unstable/nixos-kexec-installer-x86_64-linux.tar.gz | tar -xzf- -C /root
+curl -L https://github.com/nix-community/nixos-images/releases/download/nixos-unstable/nixos-kexec-installer-noninteractive-x86_64-linux.tar.gz | tar -xzf- -C /root
 /root/kexec/run
 ```
 

build-images.sh

@@ -31,7 +31,6 @@ main() {
   trap 'rm -rf -- "$tmp"' EXIT
   (
     build_kexec_installer "$tag" "$arch" "$tmp" ""
-    build_kexec_installer "$tag" "$arch" "$tmp" "-virtual-noninteractive"
     build_kexec_installer "$tag" "$arch" "$tmp" "-noninteractive"
     build_netboot_image "$tag" "$arch" "$tmp"
   ) | readarray -t assets

flake.nix

@@ -32,20 +32,10 @@
         { system.kexec-installer.name = "nixos-kexec-installer-noninteractive"; }
         self.nixosModules.noninteractive 
       ];
-
-      kexec-installer-nixos-unstable-virtual-noninteractive = kexec-installer nixos-unstable [ 
-        { system.kexec-installer.name = "nixos-kexec-installer-virtual-noninteractive"; }
-        self.nixosModules.noninteractive self.nixosModules.virtual 
-      ];
-      kexec-installer-nixos-2211-virtual-noninteractive = kexec-installer nixos-2211 [ 
-        { system.kexec-installer.name = "nixos-kexec-installer-virtual-noninteractive"; }
-        self.nixosModules.noninteractive self.nixosModules.virtual 
-      ];
     });
     nixosModules = {
       kexec-installer = ./nix/kexec-installer/module.nix;
       noninteractive = ./nix/noninteractive.nix;
-      virtual = ./nix/virtual.nix;
     };
     checks.x86_64-linux = let
       pkgs = nixos-unstable.legacyPackages.x86_64-linux;

nix/kexec-installer/test.nix

@@ -21,7 +21,7 @@ in makeTest' {
         (modulesPath + "/profiles/minimal.nix")
       ];
 
-      virtualisation.memorySize = 2 * 1024 + 767;
+      virtualisation.memorySize = 1024 + 512;
       virtualisation.diskSize = 4 * 1024;
       virtualisation.useBootLoader = true;
       virtualisation.useEFIBoot = true;
@@ -68,6 +68,7 @@ in makeTest' {
       environment.systemPackages = [ pkgs.hello ];
       imports = [
         ./module.nix
+        ../noninteractive.nix
       ];
     };
 

nix/noninteractive.nix

@@ -26,4 +26,7 @@
     kernelModules = [ "zfs" ];
     extraModulePackages = [ config.boot.kernelPackages.zfs ];
   };
+
+  # we can drop this after 23.05 has been released, which has this set by default
+  hardware.enableRedistributableFirmware = lib.mkForce false;
 }

nix/virtual.nix

@@ -1,5 +0,0 @@
-# This module optimizes for deployments to virtualized hosts.
-
-{ lib, ... }: {
-  hardware.enableRedistributableFirmware = lib.mkForce false;
-}