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|
{ lib, pkgs, ... }:
{
name = "systemd-initrd-luks-tpm2";
nodes.machine =
{ pkgs, ... }:
{
# Use systemd-boot
virtualisation = {
emptyDiskImages = [ 512 ];
useBootLoader = true;
# Booting off the TPM2-encrypted device requires an available init script
mountHostNixStore = true;
efi.OVMF = pkgs.OVMFFull; # this really should be the default. Only OVMFFull contains TCG
useEFIBoot = true;
tpm.enable = true;
};
boot.loader.systemd-boot.enable = true;
boot.initrd.availableKernelModules = [ "tpm_tis" ];
environment.systemPackages = with pkgs; [ cryptsetup ];
boot.initrd.systemd = {
enable = true;
};
specialisation.boot-luks.configuration = {
boot.initrd.luks.devices = lib.mkVMOverride {
cryptroot = {
device = "/dev/vdb";
crypttabExtraOpts = [ "tpm2-device=auto" ];
};
};
virtualisation.rootDevice = "/dev/mapper/cryptroot";
};
};
testScript =
{ nodes, ... }:
let
boot-luks = nodes.machine.specialisation.boot-luks.configuration.system.build.toplevel;
in
# python
''
# Create encrypted volume
machine.wait_for_unit("multi-user.target")
machine.succeed("echo -n supersecret | cryptsetup luksFormat -q --iter-time=1 /dev/vdb -")
machine.succeed("echo -n supersecret | cryptsetup luksOpen -q /dev/vdb cryptroot")
machine.succeed("mkfs.ext4 /dev/mapper/cryptroot")
machine.succeed("PASSWORD=supersecret SYSTEMD_LOG_LEVEL=debug systemd-cryptenroll --tpm2-pcrs= --tpm2-device=auto /dev/vdb |& systemd-cat")
# Boot from the encrypted disk
machine.succeed("${boot-luks}/bin/switch-to-configuration boot")
machine.succeed("sync")
machine.crash()
# Boot and decrypt the disk
machine.wait_for_unit("multi-user.target")
assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount")
'';
}
|
