mirror of
https://github.com/NixOS/nixpkgs.git
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45 lines
905 B
Nix
45 lines
905 B
Nix
{pkgs, config, ...}:
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with pkgs.lib;
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let
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luksRoot = config.boot.initrd.luksRoot;
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in
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{
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options = {
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boot.initrd.luksRoot = mkOption {
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default = "";
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example = "/dev/sda3";
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description = '';
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The device that should be decrypted using LUKS before trying to mount the
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root partition. This works for both LVM-over-LUKS and LUKS-over-LVM setups.
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Make sure that initrd has the crypto modules needed for decryption.
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The decrypted device name is /dev/mapper/luksroot.
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'';
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};
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};
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config = mkIf (luksRoot != "") {
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boot.initrd.extraUtilsCommands = ''
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cp -r ${pkgs.cryptsetup}/lib/* $out/lib/
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cp -r ${pkgs.popt}/lib/* $out/lib
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cp ${pkgs.cryptsetup}/sbin/* $out/bin
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'';
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boot.initrd.postDeviceCommands = ''
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cryptsetup luksOpen ${luksRoot} luksroot
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lvm vgscan
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lvm vgchange -ay
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'';
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};
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}
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