diff options
Diffstat (limited to 'nixpkgs/nixos/modules/virtualisation/linode-image.nix')
-rw-r--r-- | nixpkgs/nixos/modules/virtualisation/linode-image.nix | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/virtualisation/linode-image.nix b/nixpkgs/nixos/modules/virtualisation/linode-image.nix new file mode 100644 index 000000000000..51f793ac011d --- /dev/null +++ b/nixpkgs/nixos/modules/virtualisation/linode-image.nix @@ -0,0 +1,66 @@ +{ 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 ]; +} |