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