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nixpkgs/nixos/tests/systemd-boot.nix
Jared Baur 6327b07b25
nixos/systemd-boot: use unique path for devicetree blob
Use the store directory for the devicetree package containing the
desired DTB when installing to the ESP. This allows for more than one
NixOS generation containing differing DTBs to coexist on the same ESP
(similar to how we can have multiple kernels & initrds). This change
removes the assumption that the filepath passed to `copy_from_file` is a
file that lives at the toplevel of a nix output path (which prior to the
systemd-boot DTB support was the case for the kernel and initrd
derivations).
2024-08-24 12:50:24 -07:00

479 lines
16 KiB
Nix

{ system ? builtins.currentSystem,
config ? {},
pkgs ? import ../.. { inherit system config; }
}:
with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
let
common = {
virtualisation.useBootLoader = true;
virtualisation.useEFIBoot = true;
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
environment.systemPackages = [ pkgs.efibootmgr ];
};
commonXbootldr = { config, lib, pkgs, ... }:
let
diskImage = import ../lib/make-disk-image.nix {
inherit config lib pkgs;
label = "nixos";
format = "qcow2";
partitionTableType = "efixbootldr";
touchEFIVars = true;
installBootLoader = true;
};
in
{
imports = [ common ];
virtualisation.useBootLoader = lib.mkForce false; # Only way to tell qemu-vm not to create the default system image
virtualisation.directBoot.enable = false; # But don't direct boot either because we're testing systemd-boot
system.build.diskImage = diskImage; # Use custom disk image with an XBOOTLDR partition
virtualisation.efi.variables = "${diskImage}/efi-vars.fd";
virtualisation.useDefaultFilesystems = false; # Needs custom setup for `diskImage`
virtualisation.bootPartition = null;
virtualisation.fileSystems = {
"/" = {
device = "/dev/vda3";
fsType = "ext4";
};
"/boot" = {
device = "/dev/vda2";
fsType = "vfat";
noCheck = true;
};
"/efi" = {
device = "/dev/vda1";
fsType = "vfat";
noCheck = true;
};
};
boot.loader.systemd-boot.enable = true;
boot.loader.efi.efiSysMountPoint = "/efi";
boot.loader.systemd-boot.xbootldrMountPoint = "/boot";
};
customDiskImage = nodes: ''
import os
import subprocess
import tempfile
tmp_disk_image = tempfile.NamedTemporaryFile()
subprocess.run([
"${nodes.machine.virtualisation.qemu.package}/bin/qemu-img",
"create",
"-f",
"qcow2",
"-b",
"${nodes.machine.system.build.diskImage}/nixos.qcow2",
"-F",
"qcow2",
tmp_disk_image.name,
])
# Set NIX_DISK_IMAGE so that the qemu script finds the right disk image.
os.environ['NIX_DISK_IMAGE'] = tmp_disk_image.name
'';
in
{
basic = makeTest {
name = "systemd-boot";
meta.maintainers = with pkgs.lib.maintainers; [ danielfullmer julienmalka ];
nodes.machine = common;
testScript = ''
machine.start()
machine.wait_for_unit("multi-user.target")
machine.succeed("test -e /boot/loader/entries/nixos-generation-1.conf")
machine.succeed("grep 'sort-key nixos' /boot/loader/entries/nixos-generation-1.conf")
# Ensure we actually booted using systemd-boot
# Magic number is the vendor UUID used by systemd-boot.
machine.succeed(
"test -e /sys/firmware/efi/efivars/LoaderEntrySelected-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f"
)
# "bootctl install" should have created an EFI entry
machine.succeed('efibootmgr | grep "Linux Boot Manager"')
'';
};
# Test that systemd-boot works with secure boot
secureBoot = makeTest {
name = "systemd-boot-secure-boot";
nodes.machine = {
imports = [ common ];
environment.systemPackages = [ pkgs.sbctl ];
virtualisation.useSecureBoot = true;
};
testScript = let
efiArch = pkgs.stdenv.hostPlatform.efiArch;
in { nodes, ... }: ''
machine.start(allow_reboot=True)
machine.wait_for_unit("multi-user.target")
machine.succeed("sbctl create-keys")
machine.succeed("sbctl enroll-keys --yes-this-might-brick-my-machine")
machine.succeed('sbctl sign /boot/EFI/systemd/systemd-boot${efiArch}.efi')
machine.succeed('sbctl sign /boot/EFI/BOOT/BOOT${toUpper efiArch}.EFI')
machine.succeed('sbctl sign /boot/EFI/nixos/*${nodes.machine.system.boot.loader.kernelFile}.efi')
machine.reboot()
assert "Secure Boot: enabled (user)" in machine.succeed("bootctl status")
'';
};
basicXbootldr = makeTest {
name = "systemd-boot-xbootldr";
meta.maintainers = with pkgs.lib.maintainers; [ sdht0 ];
nodes.machine = commonXbootldr;
testScript = { nodes, ... }: ''
${customDiskImage nodes}
machine.start()
machine.wait_for_unit("multi-user.target")
machine.succeed("test -e /efi/EFI/systemd/systemd-bootx64.efi")
machine.succeed("test -e /boot/loader/entries/nixos-generation-1.conf")
# Ensure we actually booted using systemd-boot
# Magic number is the vendor UUID used by systemd-boot.
machine.succeed(
"test -e /sys/firmware/efi/efivars/LoaderEntrySelected-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f"
)
# "bootctl install" should have created an EFI entry
machine.succeed('efibootmgr | grep "Linux Boot Manager"')
'';
};
# Check that specialisations create corresponding boot entries.
specialisation = makeTest {
name = "systemd-boot-specialisation";
meta.maintainers = with pkgs.lib.maintainers; [ lukegb julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
specialisation.something.configuration = {
boot.loader.systemd-boot.sortKey = "something";
# Since qemu will dynamically create a devicetree blob when starting
# up, it is not straight forward to create an export of that devicetree
# blob without knowing before-hand all the flags we would pass to qemu
# (we would then be able to use `dumpdtb`). Thus, the following config
# will not boot, but it does allow us to assert that the boot entry has
# the correct contents.
boot.loader.systemd-boot.installDeviceTree = pkgs.stdenv.hostPlatform.isAarch64;
hardware.deviceTree.name = "dummy.dtb";
hardware.deviceTree.package = lib.mkForce (pkgs.runCommand "dummy-devicetree-package" { } ''
mkdir -p $out
cp ${pkgs.emptyFile} $out/dummy.dtb
'');
};
};
testScript = { nodes, ... }: ''
machine.start()
machine.wait_for_unit("multi-user.target")
machine.succeed(
"test -e /boot/loader/entries/nixos-generation-1-specialisation-something.conf"
)
machine.succeed(
"grep -q 'title NixOS (something)' /boot/loader/entries/nixos-generation-1-specialisation-something.conf"
)
machine.succeed(
"grep 'sort-key something' /boot/loader/entries/nixos-generation-1-specialisation-something.conf"
)
'' + pkgs.lib.optionalString pkgs.stdenv.hostPlatform.isAarch64 ''
machine.succeed(
r"grep 'devicetree /EFI/nixos/[a-z0-9]\{32\}.*dummy' /boot/loader/entries/nixos-generation-1-specialisation-something.conf"
)
'';
};
# Boot without having created an EFI entry--instead using default "/EFI/BOOT/BOOTX64.EFI"
fallback = makeTest {
name = "systemd-boot-fallback";
meta.maintainers = with pkgs.lib.maintainers; [ danielfullmer julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
boot.loader.efi.canTouchEfiVariables = mkForce false;
};
testScript = ''
machine.start()
machine.wait_for_unit("multi-user.target")
machine.succeed("test -e /boot/loader/entries/nixos-generation-1.conf")
# Ensure we actually booted using systemd-boot
# Magic number is the vendor UUID used by systemd-boot.
machine.succeed(
"test -e /sys/firmware/efi/efivars/LoaderEntrySelected-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f"
)
# "bootctl install" should _not_ have created an EFI entry
machine.fail('efibootmgr | grep "Linux Boot Manager"')
'';
};
update = makeTest {
name = "systemd-boot-update";
meta.maintainers = with pkgs.lib.maintainers; [ danielfullmer julienmalka ];
nodes.machine = common;
testScript = ''
machine.succeed("mount -o remount,rw /boot")
def switch():
# Replace version inside sd-boot with something older. See magic[] string in systemd src/boot/efi/boot.c
machine.succeed(
"""
find /boot -iname '*boot*.efi' -print0 | \
xargs -0 -I '{}' sed -i 's/#### LoaderInfo: systemd-boot .* ####/#### LoaderInfo: systemd-boot 000.0-1-notnixos ####/' '{}'
"""
)
return machine.succeed("/run/current-system/bin/switch-to-configuration boot 2>&1")
output = switch()
assert "updating systemd-boot from 000.0-1-notnixos to " in output, "Couldn't find systemd-boot update message"
assert 'to "/boot/EFI/systemd/systemd-bootx64.efi"' in output, "systemd-boot not copied to to /boot/EFI/systemd/systemd-bootx64.efi"
assert 'to "/boot/EFI/BOOT/BOOTX64.EFI"' in output, "systemd-boot not copied to to /boot/EFI/BOOT/BOOTX64.EFI"
with subtest("Test that updating works with lowercase bootx64.efi"):
machine.succeed(
# Move to tmp file name first, otherwise mv complains the new location is the same
"mv /boot/EFI/BOOT/BOOTX64.EFI /boot/EFI/BOOT/bootx64.efi.new",
"mv /boot/EFI/BOOT/bootx64.efi.new /boot/EFI/BOOT/bootx64.efi",
)
output = switch()
assert "updating systemd-boot from 000.0-1-notnixos to " in output, "Couldn't find systemd-boot update message"
assert 'to "/boot/EFI/systemd/systemd-bootx64.efi"' in output, "systemd-boot not copied to to /boot/EFI/systemd/systemd-bootx64.efi"
assert 'to "/boot/EFI/BOOT/BOOTX64.EFI"' in output, "systemd-boot not copied to to /boot/EFI/BOOT/BOOTX64.EFI"
'';
};
memtest86 = with pkgs.lib; optionalAttrs (meta.availableOn { inherit system; } pkgs.memtest86plus) (makeTest {
name = "systemd-boot-memtest86";
meta.maintainers = with maintainers; [ julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
boot.loader.systemd-boot.memtest86.enable = true;
};
testScript = ''
machine.succeed("test -e /boot/loader/entries/memtest86.conf")
machine.succeed("test -e /boot/efi/memtest86/memtest.efi")
'';
});
netbootxyz = makeTest {
name = "systemd-boot-netbootxyz";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
boot.loader.systemd-boot.netbootxyz.enable = true;
};
testScript = ''
machine.succeed("test -e /boot/loader/entries/netbootxyz.conf")
machine.succeed("test -e /boot/efi/netbootxyz/netboot.xyz.efi")
'';
};
memtestSortKey = makeTest {
name = "systemd-boot-memtest-sortkey";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
boot.loader.systemd-boot.memtest86.enable = true;
boot.loader.systemd-boot.memtest86.sortKey = "apple";
};
testScript = ''
machine.succeed("test -e /boot/loader/entries/memtest86.conf")
machine.succeed("test -e /boot/efi/memtest86/memtest.efi")
machine.succeed("grep 'sort-key apple' /boot/loader/entries/memtest86.conf")
'';
};
entryFilenameXbootldr = makeTest {
name = "systemd-boot-entry-filename-xbootldr";
meta.maintainers = with pkgs.lib.maintainers; [ sdht0 ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ commonXbootldr ];
boot.loader.systemd-boot.memtest86.enable = true;
};
testScript = { nodes, ... }: ''
${customDiskImage nodes}
machine.start()
machine.wait_for_unit("multi-user.target")
machine.succeed("test -e /efi/EFI/systemd/systemd-bootx64.efi")
machine.succeed("test -e /boot/loader/entries/memtest86.conf")
machine.succeed("test -e /boot/EFI/memtest86/memtest.efi")
'';
};
extraEntries = makeTest {
name = "systemd-boot-extra-entries";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
boot.loader.systemd-boot.extraEntries = {
"banana.conf" = ''
title banana
'';
};
};
testScript = ''
machine.succeed("test -e /boot/loader/entries/banana.conf")
machine.succeed("test -e /boot/efi/nixos/.extra-files/loader/entries/banana.conf")
'';
};
extraFiles = makeTest {
name = "systemd-boot-extra-files";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes.machine = { pkgs, lib, ... }: {
imports = [ common ];
boot.loader.systemd-boot.extraFiles = {
"efi/fruits/tomato.efi" = pkgs.netbootxyz-efi;
};
};
testScript = ''
machine.succeed("test -e /boot/efi/fruits/tomato.efi")
machine.succeed("test -e /boot/efi/nixos/.extra-files/efi/fruits/tomato.efi")
'';
};
switch-test = makeTest {
name = "systemd-boot-switch-test";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes = {
inherit common;
machine = { pkgs, nodes, ... }: {
imports = [ common ];
boot.loader.systemd-boot.extraFiles = {
"efi/fruits/tomato.efi" = pkgs.netbootxyz-efi;
};
# These are configs for different nodes, but we'll use them here in `machine`
system.extraDependencies = [
nodes.common.system.build.toplevel
nodes.with_netbootxyz.system.build.toplevel
];
};
with_netbootxyz = { pkgs, ... }: {
imports = [ common ];
boot.loader.systemd-boot.netbootxyz.enable = true;
};
};
testScript = { nodes, ... }: let
originalSystem = nodes.machine.system.build.toplevel;
baseSystem = nodes.common.system.build.toplevel;
finalSystem = nodes.with_netbootxyz.system.build.toplevel;
in ''
machine.succeed("test -e /boot/efi/fruits/tomato.efi")
machine.succeed("test -e /boot/efi/nixos/.extra-files/efi/fruits/tomato.efi")
with subtest("remove files when no longer needed"):
machine.succeed("${baseSystem}/bin/switch-to-configuration boot")
machine.fail("test -e /boot/efi/fruits/tomato.efi")
machine.fail("test -d /boot/efi/fruits")
machine.succeed("test -d /boot/efi/nixos/.extra-files")
machine.fail("test -e /boot/efi/nixos/.extra-files/efi/fruits/tomato.efi")
machine.fail("test -d /boot/efi/nixos/.extra-files/efi/fruits")
with subtest("files are added back when needed again"):
machine.succeed("${originalSystem}/bin/switch-to-configuration boot")
machine.succeed("test -e /boot/efi/fruits/tomato.efi")
machine.succeed("test -e /boot/efi/nixos/.extra-files/efi/fruits/tomato.efi")
with subtest("simultaneously removing and adding files works"):
machine.succeed("${finalSystem}/bin/switch-to-configuration boot")
machine.fail("test -e /boot/efi/fruits/tomato.efi")
machine.fail("test -e /boot/efi/nixos/.extra-files/efi/fruits/tomato.efi")
machine.succeed("test -e /boot/loader/entries/netbootxyz.conf")
machine.succeed("test -e /boot/efi/netbootxyz/netboot.xyz.efi")
machine.succeed("test -e /boot/efi/nixos/.extra-files/loader/entries/netbootxyz.conf")
machine.succeed("test -e /boot/efi/nixos/.extra-files/efi/netbootxyz/netboot.xyz.efi")
'';
};
garbage-collect-entry = makeTest {
name = "systemd-boot-garbage-collect-entry";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes = {
inherit common;
machine = { pkgs, nodes, ... }: {
imports = [ common ];
# These are configs for different nodes, but we'll use them here in `machine`
system.extraDependencies = [
nodes.common.system.build.toplevel
];
};
};
testScript = { nodes, ... }:
let
baseSystem = nodes.common.system.build.toplevel;
in
''
machine.succeed("nix-env -p /nix/var/nix/profiles/system --set ${baseSystem}")
machine.succeed("nix-env -p /nix/var/nix/profiles/system --delete-generations 1")
machine.succeed("${baseSystem}/bin/switch-to-configuration boot")
machine.fail("test -e /boot/loader/entries/nixos-generation-1.conf")
machine.succeed("test -e /boot/loader/entries/nixos-generation-2.conf")
'';
};
no-bootspec = makeTest
{
name = "systemd-boot-no-bootspec";
meta.maintainers = with pkgs.lib.maintainers; [ julienmalka ];
nodes.machine = {
imports = [ common ];
boot.bootspec.enable = false;
};
testScript = ''
machine.start()
machine.wait_for_unit("multi-user.target")
'';
};
}