nixpkgs/nixos/tests/systemd-initrd-vconsole.nix

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import ./make-test-python.nix ({ lib, pkgs, ... }: {
name = "systemd-initrd-vconsole";
nodes.machine = { pkgs, ... }: {
boot.kernelParams = lib.mkAfter [ "rd.systemd.unit=rescue.target" "loglevel=3" "udev.log_level=3" "systemd.log_level=warning" ];
boot.initrd.systemd = {
enable = true;
emergencyAccess = true;
};
console = {
earlySetup = true;
keyMap = "colemak";
};
};
testScript = ''
# Boot into rescue shell in initrd
machine.start()
machine.wait_for_console_text("Press Enter for maintenance")
machine.send_console("\n")
# Wait for shell to become ready
for _ in range(300):
machine.send_console("printf '%s to receive commands:\\n' Ready\n")
try:
machine.wait_for_console_text("Ready to receive commands:", timeout=1)
break
except Exception:
continue
else:
raise RuntimeError("Rescue shell never became ready")
# Check keymap
machine.send_console("(printf '%s to receive text:\\n' Ready && read text && echo \"$text\") </dev/tty1\n")
machine.wait_for_console_text("Ready to receive text:")
for key in "asdfjkl;\n":
machine.send_key(key)
machine.wait_for_console_text("arstneio")
'';
})