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nixos/systemd-boot: allow for bootspec-less generations

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Generation built with old versions of NixOS with no bootspec
support may still be present on the system and must be
accounted for.
This commit is contained in:
Julien Malka 2023-11-16 23:48:19 +00:00
parent 4fae7293f4
commit 81e378618e
No known key found for this signature in database
GPG Key ID: 6FC74C847011FD83
4 changed files with 44 additions and 3 deletions
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17
nixos/modules/system/boot/loader/systemd-boot/systemd-boot-builder.py
View File

@ -88,9 +88,20 @@ def write_loader_conf(profile: str | None, generation: int, specialisation: str
def get_bootspec(profile: str | None, generation: int) -> BootSpec:
boot_json_path = os.path.realpath("%s/%s" % (system_dir(profile, generation, None), "boot.json"))
boot_json_f = open(boot_json_path, 'r')
bootspec_json = json.load(boot_json_f)
system_directory = system_dir(profile, generation, None)
boot_json_path = os.path.realpath("%s/%s" % (system_directory, "boot.json"))
if os.path.isfile(boot_json_path):
boot_json_f = open(boot_json_path, 'r')
bootspec_json = json.load(boot_json_f)
else:
boot_json_str = subprocess.check_output([
"@bootspecTools@/bin/synthesize",
"--version",
"1",
system_directory,
"/dev/stdout"],
universal_newlines=True)
bootspec_json = json.loads(boot_json_str)
return bootspec_from_json(bootspec_json)
def bootspec_from_json(bootspec_json: Dict) -> BootSpec:

2
nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix
View File

@ -16,6 +16,8 @@ let
systemd = config.systemd.package;
bootspecTools = pkgs.bootspec;
nix = config.nix.package.out;
timeout = optionalString (config.boot.loader.timeout != null) config.boot.loader.timeout;

16
nixos/tests/systemd-boot.nix
View File

@ -277,4 +277,20 @@ in
machine.wait_for_unit("multi-user.target")
'';
};
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")
'';
};
}

12
pkgs/tools/misc/bootspec/default.nix
View File

@ -1,6 +1,7 @@
{ lib
, rustPlatform
, fetchFromGitHub
, fetchpatch
}:
rustPlatform.buildRustPackage rec {
pname = "bootspec";
@ -13,6 +14,17 @@ rustPlatform.buildRustPackage rec {
hash = "sha256-5IGSMHeL0eKfl7teDejAckYQjc8aeLwfwIQSzQ8YaAg=";
};
patches = [
# https://github.com/DeterminateSystems/bootspec/pull/127
# Fixes the synthesize tool for aarch64-linux
(fetchpatch {
name = "aarch64-support.patch";
url = "https://github.com/DeterminateSystems/bootspec/commit/1d0e925f360f0199f13422fb7541225fd162fd4f.patch";
sha256 = "sha256-wU/jWnOqVBrU2swANdXbQfzRpNd/JIS4cxSyCvixZM0=";
})
];
cargoHash = "sha256-eGSKVHjPnHK7WyGkO5LIjocNGHawahYQR3H5Lgk1C9s=";
meta = with lib; {