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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.virtualisation.linodeImage;
defaultConfigFile = pkgs.writeText "configuration.nix" ''
_: {
imports = [
<nixpkgs/nixos/modules/virtualisation/linode-image.nix>
];
}
'';
in
{
imports = [ ./linode-config.nix ];
options = {
virtualisation.linodeImage.diskSize = mkOption {
type = with types; either (enum (singleton "auto")) ints.positive;
default = "auto";
example = 1536;
description = ''
Size of disk image in MB.
'';
};
virtualisation.linodeImage.configFile = mkOption {
type = with types; nullOr str;
default = null;
description = ''
A path to a configuration file which will be placed at `/etc/nixos/configuration.nix`
and be used when switching to a new configuration.
If set to `null`, a default configuration is used, where the only import is
`<nixpkgs/nixos/modules/virtualisation/linode-image.nix>`
'';
};
virtualisation.linodeImage.compressionLevel = mkOption {
type = types.ints.between 1 9;
default = 6;
description = ''
GZIP compression level of the resulting disk image (1-9).
'';
};
};
config = {
system.build.linodeImage = import ../../lib/make-disk-image.nix {
name = "linode-image";
# NOTE: Linode specifically requires images to be `gzip`-ed prior to upload
# See: https://www.linode.com/docs/products/tools/images/guides/upload-an-image/#requirements-and-considerations
postVM = ''
${pkgs.gzip}/bin/gzip -${toString cfg.compressionLevel} -c -- $diskImage > \
$out/nixos-image-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.img.gz
rm $diskImage
'';
format = "raw";
partitionTableType = "none";
configFile = if cfg.configFile == null then defaultConfigFile else cfg.configFile;
inherit (cfg) diskSize;
inherit config lib pkgs;
};
};
meta.maintainers = with maintainers; [ cyntheticfox ];
}
|
