import ./make-test-python.nix ({ pkgs, ... }: {
name = "systemd";
nodes.machine = { config, lib, ... }: {
imports = [ common/user-account.nix common/x11.nix ];
virtualisation.emptyDiskImages = [ 512 512 ];
environment.systemPackages = [ pkgs.cryptsetup ];
virtualisation.fileSystems = {
"/test-x-initrd-mount" = {
device = "/dev/vdb";
fsType = "ext2";
autoFormat = true;
noCheck = true;
options = [ "x-initrd.mount" ];
};
};
systemd.extraConfig = "DefaultEnvironment=\"XXX_SYSTEM=foo\"";
systemd.user.extraConfig = "DefaultEnvironment=\"XXX_USER=bar\"";
services.journald.extraConfig = "Storage=volatile";
test-support.displayManager.auto.user = "alice";
systemd.shutdown.test = pkgs.writeScript "test.shutdown" ''
#!${pkgs.runtimeShell}
PATH=${lib.makeBinPath (with pkgs; [ util-linux coreutils ])}
mount -t 9p shared -o trans=virtio,version=9p2000.L /tmp/shared
touch /tmp/shared/shutdown-test
umount /tmp/shared
'';
systemd.services.oncalendar-test = {
description = "calendar test";
# Japan does not have DST which makes the test a little bit simpler
startAt = "Wed 10:00 Asia/Tokyo";
script = "true";
};
systemd.services.testDependency1 = {
description = "Test Dependency 1";
wantedBy = [ config.systemd.services."testservice1".name ];
serviceConfig.Type = "oneshot";
script = ''
true
'';
};
systemd.services.testservice1 = {
description = "Test Service 1";
wantedBy = [ config.systemd.targets.multi-user.name ];
serviceConfig.Type = "oneshot";
script = ''
if [ "$XXX_SYSTEM" = foo ]; then
touch /system_conf_read
fi
'';
};
systemd.user.services.testservice2 = {
description = "Test Service 2";
wantedBy = [ "default.target" ];
serviceConfig.Type = "oneshot";
script = ''
if [ "$XXX_USER" = bar ]; then
touch "$HOME/user_conf_read"
fi
'';
};
systemd.watchdog = {
device = "/dev/watchdog";
runtimeTime = "30s";
rebootTime = "10min";
kexecTime = "5min";
};
environment.etc."systemd/system-preset/10-testservice.preset".text = ''
disable ${config.systemd.services.testservice1.name}
'';
};
testScript = { nodes, ... }: ''
import re
import subprocess
machine.start(allow_reboot=True)
# Will not succeed unless ConditionFirstBoot=yes
machine.wait_for_unit("first-boot-complete.target")
# Make sure, a subsequent boot isn't a ConditionFirstBoot=yes.
machine.reboot()
machine.wait_for_x()
state = machine.get_unit_info("first-boot-complete.target")['ActiveState']
assert state == 'inactive', "Detected first boot despite first-boot-completed.target was already reached on a previous boot."
# wait for user services
machine.wait_for_unit("default.target", "alice")
with subtest("systemctl edit suggests --runtime"):
# --runtime is suggested when using `systemctl edit`
ret, out = machine.execute("systemctl edit testservice1.service 2>&1")
assert ret == 1
assert out.rstrip("\n") == "The unit-directory '/etc/systemd/system' is read-only on NixOS, so it's not possible to edit system-units directly. Use 'systemctl edit --runtime' instead."
# editing w/o `--runtime` is possible for user-services, however
# it's not possible because we're not in a tty when grepping
# (i.e. hacky way to ensure that the error from above doesn't appear here).
_, out = machine.execute("systemctl --user edit testservice2.service 2>&1")
assert out.rstrip("\n") == "Cannot edit units if not on a tty."
# Regression test for https://github.com/NixOS/nixpkgs/issues/105049
with subtest("systemd reads timezone database in /etc/zoneinfo"):
timer = machine.succeed("TZ=UTC systemctl show --property=TimersCalendar oncalendar-test.timer")
assert re.search("next_elapse=Wed ....-..-.. 01:00:00 UTC", timer), f"got {timer.strip()}"
# Regression test for https://github.com/NixOS/nixpkgs/issues/35415
with subtest("configuration files are recognized by systemd"):
machine.succeed("test -e /system_conf_read")
machine.succeed("test -e /home/alice/user_conf_read")
machine.succeed("test -z $(ls -1 /var/log/journal)")
with subtest("regression test for https://bugs.freedesktop.org/show_bug.cgi?id=77507"):
retcode, output = machine.execute("systemctl status testservice1.service")
assert retcode in [0, 3] # https://bugs.freedesktop.org/show_bug.cgi?id=77507
# Regression test for https://github.com/NixOS/nixpkgs/issues/35268
with subtest("file system with x-initrd.mount is not unmounted"):
machine.succeed("mountpoint -q /test-x-initrd-mount")
machine.shutdown()
subprocess.check_call(
[
"qemu-img",
"convert",
"-O",
"raw",
"vm-state-machine/empty0.qcow2",
"x-initrd-mount.raw",
]
)
extinfo = subprocess.check_output(
[
"${pkgs.e2fsprogs}/bin/dumpe2fs",
"x-initrd-mount.raw",
]
).decode("utf-8")
assert (
re.search(r"^Filesystem state: *clean$", extinfo, re.MULTILINE) is not None
), ("File system was not cleanly unmounted: " + extinfo)
# Regression test for https://github.com/NixOS/nixpkgs/pull/91232
with subtest("setting transient hostnames works"):
machine.succeed("hostnamectl set-hostname --transient machine-transient")
machine.fail("hostnamectl set-hostname machine-all")
with subtest("systemd-shutdown works"):
machine.shutdown()
machine.wait_for_unit("multi-user.target")
machine.succeed("test -e /tmp/shared/shutdown-test")
# Test settings from /etc/sysctl.d/50-default.conf are applied
with subtest("systemd sysctl settings are applied"):
machine.wait_for_unit("multi-user.target")
assert "fq_codel" in machine.succeed("sysctl net.core.default_qdisc")
# Test systemd is configured to manage a watchdog
with subtest("systemd manages hardware watchdog"):
machine.wait_for_unit("multi-user.target")
# It seems that the device's path doesn't appear in 'systemctl show' so
# check it separately.
assert "WatchdogDevice=/dev/watchdog" in machine.succeed(
"cat /etc/systemd/system.conf"
)
output = machine.succeed("systemctl show | grep Watchdog")
# assert "RuntimeWatchdogUSec=30s" in output
# for some reason RuntimeWatchdogUSec, doesn't seem to be updated in here.
assert "RebootWatchdogUSec=10min" in output
assert "KExecWatchdogUSec=5min" in output
# Test systemd cryptsetup support
with subtest("systemd successfully reads /etc/crypttab and unlocks volumes"):
# create a luks volume and put a filesystem on it
machine.succeed(
"echo -n supersecret | cryptsetup luksFormat -q /dev/vdc -",
"echo -n supersecret | cryptsetup luksOpen --key-file - /dev/vdc foo",
"mkfs.ext3 /dev/mapper/foo",
)
# create a keyfile and /etc/crypttab
machine.succeed("echo -n supersecret > /var/lib/luks-keyfile")
machine.succeed("chmod 600 /var/lib/luks-keyfile")
machine.succeed("echo 'luks1 /dev/vdc /var/lib/luks-keyfile luks' > /etc/crypttab")
# after a reboot, systemd should unlock the volume and we should be able to mount it
machine.shutdown()
machine.succeed("systemctl status systemd-cryptsetup@luks1.service")
machine.succeed("mkdir -p /tmp/luks1")
machine.succeed("mount /dev/mapper/luks1 /tmp/luks1")
# Do some IP traffic
output_ping = machine.succeed(
"systemd-run --wait -- ping -c 1 127.0.0.1 2>&1"
)
with subtest("systemd reports accounting data on system.slice"):
output = machine.succeed("systemctl status system.slice")
assert "CPU:" in output
assert "Memory:" in output
assert "IP:" in output
assert "0B in, 0B out" not in output
assert "IO:" in output
assert "0B read, 0B written" not in output
with subtest("systemd per-unit accounting works"):
assert "IP traffic received: 84B sent: 84B" in output_ping
with subtest("systemd environment is properly set"):
machine.systemctl("daemon-reexec") # Rewrites /proc/1/environ
machine.succeed("grep -q TZDIR=/etc/zoneinfo /proc/1/environ")
with subtest("systemd presets are ignored"):
machine.succeed("systemctl preset ${nodes.machine.systemd.services.testservice1.name}")
machine.succeed("test -e /etc/systemd/system/${nodes.machine.systemd.services.testservice1.name}")
'';
})