49 lines
1.8 KiB
Nix
49 lines
1.8 KiB
Nix
import ./make-test-python.nix ({ lib, pkgs, ... }: {
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name = "systemd-initrd-simple";
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nodes.machine = { pkgs, ... }: {
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testing.initrdBackdoor = true;
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boot.initrd.systemd.enable = true;
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virtualisation.fileSystems."/".autoResize = true;
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};
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testScript = ''
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import subprocess
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with subtest("testing initrd backdoor"):
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machine.wait_for_unit("initrd.target")
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machine.succeed("systemctl status initrd-fs.target")
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machine.switch_root()
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with subtest("handover to stage-2 systemd works"):
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machine.wait_for_unit("multi-user.target")
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machine.succeed("systemd-analyze | grep -q '(initrd)'") # direct handover
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machine.succeed("touch /testfile") # / is writable
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machine.fail("touch /nix/store/testfile") # /nix/store is not writable
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# Special filesystems are mounted by systemd
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machine.succeed("[ -e /run/booted-system ]") # /run
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machine.succeed("[ -e /sys/class ]") # /sys
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machine.succeed("[ -e /dev/null ]") # /dev
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machine.succeed("[ -e /proc/1 ]") # /proc
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# stage-2-init mounted more special filesystems
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machine.succeed("[ -e /dev/shm ]") # /dev/shm
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machine.succeed("[ -e /dev/pts/ptmx ]") # /dev/pts
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machine.succeed("[ -e /run/keys ]") # /run/keys
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with subtest("groups work"):
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machine.fail("journalctl -b 0 | grep 'systemd-udevd.*Unknown group.*ignoring'")
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with subtest("growfs works"):
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oldAvail = machine.succeed("df --output=avail / | sed 1d")
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machine.shutdown()
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subprocess.check_call(["qemu-img", "resize", "vm-state-machine/machine.qcow2", "+1G"])
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machine.start()
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machine.switch_root()
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newAvail = machine.succeed("df --output=avail / | sed 1d")
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assert int(oldAvail) < int(newAvail), "File system did not grow"
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'';
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})
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