1import ./make-test-python.nix (
2 { pkgs, ... }:
3 {
4 name = "systemd";
5
6 nodes.machine =
7 { config, lib, ... }:
8 {
9 imports = [
10 common/user-account.nix
11 common/x11.nix
12 ];
13
14 virtualisation.emptyDiskImages = [
15 512
16 512
17 ];
18
19 environment.systemPackages = [ pkgs.cryptsetup ];
20
21 virtualisation.fileSystems = {
22 "/test-x-initrd-mount" = {
23 device = "/dev/vdb";
24 fsType = "ext2";
25 autoFormat = true;
26 noCheck = true;
27 options = [ "x-initrd.mount" ];
28 };
29 };
30
31 systemd.extraConfig = "DefaultEnvironment=\"XXX_SYSTEM=foo\"";
32 systemd.user.extraConfig = "DefaultEnvironment=\"XXX_USER=bar\"";
33 services.journald.extraConfig = "Storage=volatile";
34 test-support.displayManager.auto.user = "alice";
35
36 systemd.shutdown.test = pkgs.writeScript "test.shutdown" ''
37 #!${pkgs.runtimeShell}
38 PATH=${
39 lib.makeBinPath (
40 with pkgs;
41 [
42 util-linux
43 coreutils
44 ]
45 )
46 }
47 mount -t 9p shared -o trans=virtio,version=9p2000.L /tmp/shared
48 touch /tmp/shared/shutdown-test
49 umount /tmp/shared
50 '';
51
52 systemd.services.oncalendar-test = {
53 description = "calendar test";
54 # Japan does not have DST which makes the test a little bit simpler
55 startAt = "Wed 10:00 Asia/Tokyo";
56 script = "true";
57 };
58
59 systemd.services.testDependency1 = {
60 description = "Test Dependency 1";
61 wantedBy = [ config.systemd.services."testservice1".name ];
62 serviceConfig.Type = "oneshot";
63 script = ''
64 true
65 '';
66 };
67
68 systemd.services.testservice1 = {
69 description = "Test Service 1";
70 wantedBy = [ config.systemd.targets.multi-user.name ];
71 serviceConfig.Type = "oneshot";
72 script = ''
73 if [ "$XXX_SYSTEM" = foo ]; then
74 touch /system_conf_read
75 fi
76 '';
77 };
78
79 systemd.user.services.testservice2 = {
80 description = "Test Service 2";
81 wantedBy = [ "default.target" ];
82 serviceConfig.Type = "oneshot";
83 script = ''
84 if [ "$XXX_USER" = bar ]; then
85 touch "$HOME/user_conf_read"
86 fi
87 '';
88 };
89
90 systemd.watchdog = {
91 device = "/dev/watchdog";
92 runtimeTime = "30s";
93 rebootTime = "10min";
94 kexecTime = "5min";
95 };
96
97 environment.etc."systemd/system-preset/10-testservice.preset".text = ''
98 disable ${config.systemd.services.testservice1.name}
99 '';
100 };
101
102 testScript =
103 { nodes, ... }:
104 ''
105 import re
106 import subprocess
107
108 machine.start(allow_reboot=True)
109
110 # Will not succeed unless ConditionFirstBoot=yes
111 machine.wait_for_unit("first-boot-complete.target")
112
113 # Make sure, a subsequent boot isn't a ConditionFirstBoot=yes.
114 machine.reboot()
115 machine.wait_for_x()
116 state = machine.get_unit_info("first-boot-complete.target")['ActiveState']
117 assert state == 'inactive', "Detected first boot despite first-boot-completed.target was already reached on a previous boot."
118
119 # wait for user services
120 machine.wait_for_unit("default.target", "alice")
121
122 with subtest("systemctl edit suggests --runtime"):
123 # --runtime is suggested when using `systemctl edit`
124 ret, out = machine.execute("systemctl edit testservice1.service 2>&1")
125 assert ret == 1
126 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."
127 # editing w/o `--runtime` is possible for user-services, however
128 # it's not possible because we're not in a tty when grepping
129 # (i.e. hacky way to ensure that the error from above doesn't appear here).
130 _, out = machine.execute("systemctl --user edit testservice2.service 2>&1")
131 assert out.rstrip("\n") == "Cannot edit units interactively if not on a tty."
132
133 # Regression test for https://github.com/NixOS/nixpkgs/issues/105049
134 with subtest("systemd reads timezone database in /etc/zoneinfo"):
135 timer = machine.succeed("TZ=UTC systemctl show --property=TimersCalendar oncalendar-test.timer")
136 assert re.search("next_elapse=Wed ....-..-.. 01:00:00 UTC", timer), f"got {timer.strip()}"
137
138 # Regression test for https://github.com/NixOS/nixpkgs/issues/35415
139 with subtest("configuration files are recognized by systemd"):
140 machine.succeed("test -e /system_conf_read")
141 machine.succeed("test -e /home/alice/user_conf_read")
142 machine.succeed("test -z $(ls -1 /var/log/journal)")
143
144 with subtest("regression test for https://bugs.freedesktop.org/show_bug.cgi?id=77507"):
145 retcode, output = machine.execute("systemctl status testservice1.service")
146 assert retcode in [0, 3] # https://bugs.freedesktop.org/show_bug.cgi?id=77507
147
148 # Regression test for https://github.com/NixOS/nixpkgs/issues/35268
149 with subtest("file system with x-initrd.mount is not unmounted"):
150 machine.succeed("mountpoint -q /test-x-initrd-mount")
151 machine.shutdown()
152
153 subprocess.check_call(
154 [
155 "qemu-img",
156 "convert",
157 "-O",
158 "raw",
159 "vm-state-machine/empty0.qcow2",
160 "x-initrd-mount.raw",
161 ]
162 )
163 extinfo = subprocess.check_output(
164 [
165 "${pkgs.e2fsprogs}/bin/dumpe2fs",
166 "x-initrd-mount.raw",
167 ]
168 ).decode("utf-8")
169 assert (
170 re.search(r"^Filesystem state: *clean$", extinfo, re.MULTILINE) is not None
171 ), ("File system was not cleanly unmounted: " + extinfo)
172
173 # Regression test for https://github.com/NixOS/nixpkgs/pull/91232
174 with subtest("setting transient hostnames works"):
175 machine.succeed("hostnamectl set-hostname --transient machine-transient")
176 machine.fail("hostnamectl set-hostname machine-all")
177
178 with subtest("systemd-shutdown works"):
179 machine.shutdown()
180 machine.wait_for_unit("multi-user.target")
181 machine.succeed("test -e /tmp/shared/shutdown-test")
182
183 # Test settings from /etc/sysctl.d/50-default.conf are applied
184 with subtest("systemd sysctl settings are applied"):
185 machine.wait_for_unit("multi-user.target")
186 assert "fq_codel" in machine.succeed("sysctl net.core.default_qdisc")
187
188 # Test systemd is configured to manage a watchdog
189 with subtest("systemd manages hardware watchdog"):
190 machine.wait_for_unit("multi-user.target")
191
192 # It seems that the device's path doesn't appear in 'systemctl show' so
193 # check it separately.
194 assert "WatchdogDevice=/dev/watchdog" in machine.succeed(
195 "cat /etc/systemd/system.conf"
196 )
197
198 output = machine.succeed("systemctl show | grep Watchdog")
199 # assert "RuntimeWatchdogUSec=30s" in output
200 # for some reason RuntimeWatchdogUSec, doesn't seem to be updated in here.
201 assert "RebootWatchdogUSec=10min" in output
202 assert "KExecWatchdogUSec=5min" in output
203
204 # Test systemd cryptsetup support
205 with subtest("systemd successfully reads /etc/crypttab and unlocks volumes"):
206 # create a luks volume and put a filesystem on it
207 machine.succeed(
208 "echo -n supersecret | cryptsetup luksFormat -q /dev/vdc -",
209 "echo -n supersecret | cryptsetup luksOpen --key-file - /dev/vdc foo",
210 "mkfs.ext3 /dev/mapper/foo",
211 )
212
213 # create a keyfile and /etc/crypttab
214 machine.succeed("echo -n supersecret > /var/lib/luks-keyfile")
215 machine.succeed("chmod 600 /var/lib/luks-keyfile")
216 machine.succeed("echo 'luks1 /dev/vdc /var/lib/luks-keyfile luks' > /etc/crypttab")
217
218 # after a reboot, systemd should unlock the volume and we should be able to mount it
219 machine.shutdown()
220 machine.succeed("systemctl status systemd-cryptsetup@luks1.service")
221 machine.succeed("mkdir -p /tmp/luks1")
222 machine.succeed("mount /dev/mapper/luks1 /tmp/luks1")
223
224 # Do some IP traffic
225 output_ping = machine.succeed(
226 "systemd-run --wait -- ping -c 1 127.0.0.1 2>&1"
227 )
228
229 with subtest("systemd reports accounting data on system.slice"):
230 output = machine.succeed("systemctl status system.slice")
231 assert "CPU:" in output
232 assert "Memory:" in output
233
234 assert "IP:" in output
235 assert "0B in, 0B out" not in output
236
237 assert "IO:" in output
238 assert "0B read, 0B written" not in output
239
240 with subtest("systemd per-unit accounting works"):
241 assert "IP traffic received: 84B sent: 84B" in output_ping
242
243 with subtest("systemd environment is properly set"):
244 machine.systemctl("daemon-reexec") # Rewrites /proc/1/environ
245 machine.succeed("grep -q TZDIR=/etc/zoneinfo /proc/1/environ")
246
247 with subtest("systemd presets are ignored"):
248 machine.succeed("systemctl preset ${nodes.machine.systemd.services.testservice1.name}")
249 machine.succeed("test -e /etc/systemd/system/${nodes.machine.systemd.services.testservice1.name}")
250 '';
251 }
252)