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Merge pull request #90386 from danielfullmer/systemd-bootctl-update

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nixos/systemd-boot: update bootloader if needed
This commit is contained in:
Florian Klink 2020-06-16 11:33:48 +02:00 committed by GitHub
parent f2592c0b94 42b92250b9
commit ac7a5f3685
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 60 additions and 17 deletions
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20
nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py
View file

@ -47,9 +47,9 @@ def write_loader_conf(profile, generation):
if "@timeout@" != "":
f.write("timeout @timeout@\n")
if profile:
f.write("default nixos-%s-generation-%d\n" % (profile, generation))
f.write("default nixos-%s-generation-%d.conf\n".format(profile, generation))
else:
f.write("default nixos-generation-%d\n" % (generation))
f.write("default nixos-generation-%d.conf\n".format(generation))
if not @editor@:
f.write("editor 0\n");
f.write("console-mode @consoleMode@\n");
@ -197,6 +197,22 @@ def main():
subprocess.check_call(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "install"])
else:
subprocess.check_call(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "--no-variables", "install"])
else:
# Update bootloader to latest if needed
systemd_version = subprocess.check_output(["@systemd@/bin/bootctl", "--version"], universal_newlines=True).split()[1]
sdboot_status = subprocess.check_output(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "status"], universal_newlines=True)
# See status_binaries() in systemd bootctl.c for code which generates this
m = re.search("^\W+File:.*/EFI/(BOOT|systemd)/.*\.efi \(systemd-boot (\d+)\)$",
sdboot_status, re.IGNORECASE | re.MULTILINE)
if m is None:
print("could not find any previously installed systemd-boot")
else:
sdboot_version = m.group(2)
if systemd_version > sdboot_version:
print("updating systemd-boot from %s to %s" % (sdboot_version, systemd_version))
subprocess.check_call(["@systemd@/bin/bootctl", "--path=@efiSysMountPoint@", "update"])
mkdir_p("@efiSysMountPoint@/efi/nixos")
mkdir_p("@efiSysMountPoint@/loader/entries")

57
nixos/tests/systemd-boot.nix
View file

@ -6,26 +6,53 @@
with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
makeTest {
name = "systemd-boot";
meta.maintainers = with pkgs.stdenv.lib.maintainers; [ danielfullmer ];
machine = { pkgs, lib, ... }: {
let
common = {
virtualisation.useBootLoader = true;
virtualisation.useEFIBoot = true;
boot.loader.systemd-boot.enable = true;
};
in
{
basic = makeTest {
name = "systemd-boot";
meta.maintainers = with pkgs.stdenv.lib.maintainers; [ danielfullmer ];
testScript = ''
machine.start()
machine.wait_for_unit("multi-user.target")
machine = common;
machine.succeed("test -e /boot/loader/entries/nixos-generation-1.conf")
testScript = ''
machine.start()
machine.wait_for_unit("multi-user.target")
# 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"
)
'';
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"
)
'';
};
update = makeTest {
name = "systemd-boot-update";
meta.maintainers = with pkgs.stdenv.lib.maintainers; [ danielfullmer ];
machine = common;
testScript = ''
machine.succeed("mount -o remount,rw /boot")
# Replace version inside sd-boot with something older. See magic[] string in systemd src/boot/efi/boot.c
machine.succeed(
"""
find /boot -iname '*.efi' -print0 | \
xargs -0 -I '{}' sed -i 's/#### LoaderInfo: systemd-boot .* ####/#### LoaderInfo: systemd-boot 001 ####/' '{}'
"""
)
output = machine.succeed("/run/current-system/bin/switch-to-configuration boot")
assert "updating systemd-boot from 001 to " in output
'';
};
}