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types disk: add imageSize for makeDiskImage

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lassulus 2023-07-28 13:23:07 +02:00 committed by mergify[bot]
parent a8834f94f3
commit 578ad4ef34
2 changed files with 9 additions and 1 deletions
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2
lib/make-disk-image.nix
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@ -22,7 +22,7 @@ pkgs.vmTools.runInLinuxVM (pkgs.runCommand name {
];
preVM = ''
# TODO: get size either dynamically or from disko config
${lib.concatMapStringsSep "\n" (disk: "truncate -s 15G ${disk.name}.raw") (lib.attrValues nixosConfig.config.disko.devices.disk)}
${lib.concatMapStringsSep "\n" (disk: "truncate -s ${disk.imageSize} ${disk.name}.raw") (lib.attrValues nixosConfig.config.disko.devices.disk)}
'';
postVM = ''
mkdir -p $out

8
lib/types/disk.nix
View file

@ -16,6 +16,14 @@
type = diskoLib.optionTypes.absolute-pathname; # TODO check if subpath of /dev ? - No! eg: /.swapfile
description = "Device path";
};
imageSize = lib.mkOption {
type = lib.types.strMatching "[0-9]+[KMGTP]?";
description = ''
size of the image if the makeDiskImage function from diksoLib is used.
is used as an argument to truncate -s
'';
default = "15G";
};
content = diskoLib.deviceType { parent = config; device = config.device; };
_meta = lib.mkOption {
internal = true;