nixpkgs/nixos/tests/systemd-shutdown.nix
2025-05-28 15:08:32 +08:00

43 lines
1.4 KiB
Nix

{
systemdStage1,
lib,
pkgs,
...
}:
let
msg = "Shutting down NixOS";
in
{
name = "systemd-shutdown";
meta.maintainers = with lib.maintainers; [ das_j ];
_module.args.systemdStage1 = lib.mkDefault false;
nodes.machine = {
imports = [ ../modules/profiles/minimal.nix ];
systemd.shutdownRamfs.contents."/etc/systemd/system-shutdown/shutdown-message".source =
pkgs.writeShellScript "shutdown-message" ''
echo "${msg}" > /dev/kmsg
'';
boot.initrd.systemd.enable = systemdStage1;
};
testScript = ''
# Check that 'generate-shutdown-ramfs.service' is started
# automatically and that 'systemd-shutdown' runs our script.
machine.wait_for_unit("multi-user.target")
# .shutdown() would wait for the machine to power off
machine.succeed("systemctl poweroff")
# Message printed by systemd-shutdown
machine.wait_for_console_text("Unmounting '/oldroot'")
machine.wait_for_console_text("${msg}")
# Don't try to sync filesystems
machine.wait_for_shutdown()
# In a separate boot, start 'generate-shutdown-ramfs.service'
# manually in order to check the permissions on '/run/initramfs'.
machine.systemctl("start generate-shutdown-ramfs.service")
stat = machine.succeed("stat --printf=%a:%u:%g /run/initramfs")
assert stat == "700:0:0", f"Improper permissions on /run/initramfs: {stat}"
'';
}