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|
# Tests LUKS specifically with scripted stage 1. Remove in 26.11.
{ lib, ... }:
{
name = "luks";
nodes.machine =
{ pkgs, ... }:
{
boot.initrd.systemd.enable = false;
# Use systemd-boot
virtualisation = {
emptyDiskImages = [
512
512
];
useBootLoader = true;
useEFIBoot = true;
# To boot off the encrypted disk, we need to have a init script which comes from the Nix store
mountHostNixStore = true;
};
boot.loader.systemd-boot.enable = true;
boot.kernelParams = lib.mkOverride 5 [ "console=tty1" ];
environment.systemPackages = with pkgs; [ cryptsetup ];
specialisation = rec {
boot-luks.configuration = {
boot.initrd.luks.devices = lib.mkVMOverride {
# We have two disks and only type one password - key reuse is in place
cryptroot.device = "/dev/vdb";
cryptroot2.device = "/dev/vdc";
};
virtualisation.rootDevice = "/dev/mapper/cryptroot";
};
boot-luks-custom-keymap.configuration = lib.mkMerge [
boot-luks.configuration
{
console.keyMap = "neo";
}
];
};
};
enableOCR = true;
testScript =
{ nodes, ... }:
let
toplevel = nodes.machine.system.build.toplevel;
boot-luks = nodes.machine.specialisation.boot-luks.configuration.system.build.toplevel;
boot-luks-custom-keymap =
nodes.machine.specialisation.boot-luks-custom-keymap.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("echo -n supersecret | cryptsetup luksFormat -q --iter-time=1 /dev/vdc -")
machine.succeed("echo -n supersecret | cryptsetup luksOpen -q /dev/vdc cryptroot2")
machine.succeed("mkfs.ext4 /dev/mapper/cryptroot2")
# 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.start()
machine.wait_for_text("Passphrase for")
machine.send_chars("supersecret\n")
machine.wait_for_unit("multi-user.target")
assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount")
# The new root is empty, so it has no /nix/var/nix/profiles. Without a
# system profile, systemd-boot-builder finds zero generations and
# bails. So we manually create the one profile link that we need.
machine.succeed(
"mkdir -p /nix/var/nix/profiles",
"ln -sfn ${toplevel} /nix/var/nix/profiles/system-1-link",
"ln -sfn system-1-link /nix/var/nix/profiles/system",
)
# Boot from the encrypted disk with custom keymap
machine.succeed("${boot-luks-custom-keymap}/bin/switch-to-configuration boot")
machine.succeed("sync")
machine.crash()
# Boot and decrypt the disk
machine.start()
machine.wait_for_text("Passphrase for")
machine.send_chars("havfkhfrkfl\n")
machine.wait_for_unit("multi-user.target")
assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount")
'';
}
|
