depot/third_party/nixpkgs/nixos/modules/virtualisation/digital-ocean-image.nix

114 lines
2.6 KiB
Nix

{
config,
lib,
pkgs,
...
}:
with lib;
let
cfg = config.virtualisation.digitalOceanImage;
in
{
imports = [
./digital-ocean-config.nix
./disk-size-option.nix
../image/file-options.nix
(lib.mkRenamedOptionModuleWith {
sinceRelease = 2411;
from = [
"virtualisation"
"digitalOceanImage"
"diskSize"
];
to = [
"virtualisation"
"diskSize"
];
})
];
options = {
virtualisation.digitalOceanImage.configFile = mkOption {
type = with types; nullOr path;
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 that imports
`(modulesPath + "/virtualisation/digital-ocean-config.nix")`.
'';
};
virtualisation.digitalOceanImage.compressionMethod = mkOption {
type = types.enum [
"gzip"
"bzip2"
];
default = "gzip";
example = "bzip2";
description = ''
Disk image compression method. Choose bzip2 to generate smaller images that
take longer to generate but will consume less metered storage space on your
Digital Ocean account.
'';
};
};
#### implementation
config =
let
format = "qcow2";
in
{
image.extension = lib.concatStringsSep "." [
format
(
{
"gzip" = "gz";
"bzip2" = "bz2";
}
.${cfg.compressionMethod}
)
];
system.nixos.tags = [ "digital-ocean" ];
system.build.image = config.system.build.digitalOceanImage;
system.build.digitalOceanImage = import ../../lib/make-disk-image.nix {
name = "digital-ocean-image";
inherit (config.image) baseName;
inherit (config.virtualisation) diskSize;
inherit
config
lib
pkgs
format
;
postVM =
let
compress =
{
"gzip" = "${pkgs.gzip}/bin/gzip";
"bzip2" = "${pkgs.bzip2}/bin/bzip2";
}
.${cfg.compressionMethod};
in
''
${compress} $diskImage
'';
configFile =
if cfg.configFile == null then
config.virtualisation.digitalOcean.defaultConfigFile
else
cfg.configFile;
};
};
meta.maintainers = with maintainers; [
arianvp
eamsden
];
}