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nixpkgs/nixos/modules/virtualisation/cloud-image.nix

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# Usage:
# $ NIX_PATH=`pwd`:nixos-config=`pwd`/nixpkgs/nixos/modules/virtualisation/cloud-image.nix nix-build '<nixpkgs/nixos>' -A config.system.build.cloudImage
{ config, lib, pkgs, ... }:
with lib;
{
system.build.cloudImage = import ../../lib/make-disk-image.nix {
inherit pkgs lib config;
partitioned = true;
diskSize = 1 * 1024;
configFile = pkgs.writeText "configuration.nix"
''
{ config, lib, pkgs, ... }:
with lib;
{
imports = [ <nixpkgs/nixos/modules/virtualisation/cloud-image.nix> ];
}
'';
};
imports = [ ../profiles/qemu-guest.nix ];
fileSystems."/".device = "/dev/disk/by-label/nixos";
boot = {
kernelParams = [ "console=ttyS0" ];
loader.grub.device = "/dev/vda";
loader.timeout = 0;
};
networking.hostName = mkDefault "";
services.openssh = {
enable = true;
permitRootLogin = "without-password";
passwordAuthentication = mkDefault false;
};
services.cloud-init.enable = true;
}