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|
{ lib, ... }:
{
name = "systemd-initrd-luks-password";
nodes.machine =
{ pkgs, ... }:
{
# Use systemd-boot
virtualisation = {
emptyDiskImages = [
512
512
];
useBootLoader = true;
# Booting off the encrypted disk requires an available init script
mountHostNixStore = true;
useEFIBoot = true;
};
boot.loader.systemd-boot.enable = true;
environment.systemPackages = with pkgs; [ cryptsetup ];
boot.initrd.systemd = {
enable = true;
emergencyAccess = true;
};
specialisation.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";
# test mounting device unlocked in initrd after switching root
virtualisation.fileSystems."/cryptroot2" = {
device = "/dev/mapper/cryptroot2";
fsType = "auto";
};
};
};
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("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_console_text("Please enter passphrase for disk cryptroot")
machine.send_console("supersecret\n")
machine.wait_for_unit("multi-user.target")
assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount"), "/dev/mapper/cryptroot do not appear in mountpoints list"
assert "/dev/mapper/cryptroot2 on /cryptroot2 type ext4" in machine.succeed("mount")
'';
}
|
