summaryrefslogtreecommitdiffstats
path: root/lib/oeqa/selftest/cases/updater_qemux86_64.py
blob: 2b4726cb636becff7c4aae8a548b7700f60480b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
# pylint: disable=C0111,C0325
import os
import logging
import re
import subprocess
import unittest
from time import sleep
from uuid import uuid4

from oeqa.selftest.case import OESelftestTestCase
from oeqa.utils.commands import runCmd, bitbake, get_bb_var, get_bb_vars
from testutils import qemu_launch, qemu_send_command, qemu_terminate, \
    metadir, akt_native_run, verifyNotProvisioned, verifyProvisioned, \
    qemu_bake_image, qemu_boot_image


class GeneralTests(OESelftestTestCase):
    def test_credentials(self):
        logger = logging.getLogger("selftest")
        logger.info('Running bitbake to build core-image-minimal')
        self.append_config('SOTA_CLIENT_PROV = "aktualizr-shared-prov"')

        # note: this also tests ostreepush/garagesign/garagecheck which are
        # omitted from other test cases
        bitbake('core-image-minimal')
        credentials = get_bb_var('SOTA_PACKED_CREDENTIALS')
        # skip the test if the variable SOTA_PACKED_CREDENTIALS is not set
        if credentials is None:
            raise unittest.SkipTest("Variable 'SOTA_PACKED_CREDENTIALS' not set.")
        # Check if the file exists
        self.assertTrue(os.path.isfile(credentials), "File %s does not exist" % credentials)
        deploydir = get_bb_var('DEPLOY_DIR_IMAGE')
        imagename = get_bb_var('IMAGE_LINK_NAME', 'core-image-minimal')
        # Check if the credentials are included in the output image
        result = runCmd('tar -jtvf %s/%s.tar.bz2 | grep sota_provisioning_credentials.zip' %
                        (deploydir, imagename), ignore_status=True)
        self.assertEqual(result.status, 0, "Status not equal to 0. output: %s" % result.output)


class AktualizrToolsTests(OESelftestTestCase):

    @classmethod
    def setUpClass(cls):
        super(AktualizrToolsTests, cls).setUpClass()
        logger = logging.getLogger("selftest")
        logger.info('Running bitbake to build aktualizr-native tools')
        bitbake('aktualizr-native aktualizr-device-prov')
        bitbake('build-sysroots -c build_native_sysroot')

    def test_cert_provider_help(self):
        akt_native_run(self, 'aktualizr-cert-provider --help')

    def test_cert_provider_local_output(self):
        bb_vars = get_bb_vars(['SOTA_PACKED_CREDENTIALS', 'T'], 'aktualizr-native')
        creds = bb_vars['SOTA_PACKED_CREDENTIALS']
        temp_dir = bb_vars['T']
        bb_vars_prov = get_bb_vars(['WORKDIR', 'libdir'], 'aktualizr-device-prov')
        config = bb_vars_prov['WORKDIR'] + '/sysroot-destdir' + bb_vars_prov['libdir'] + '/sota/conf.d/20-sota-device-cred.toml'

        akt_native_run(self, 'aktualizr-cert-provider -c {creds} -r -l {temp} -g {config}'
                       .format(creds=creds, temp=temp_dir, config=config))

        # Might be nice if these names weren't hardcoded.
        cert_path = temp_dir + '/var/sota/import/client.pem'
        self.assertTrue(os.path.isfile(cert_path), "Client certificate not found at %s." % cert_path)
        self.assertTrue(os.path.getsize(cert_path) > 0, "Client certificate at %s is empty." % cert_path)
        pkey_path = temp_dir + '/var/sota/import/pkey.pem'
        self.assertTrue(os.path.isfile(pkey_path), "Private key not found at %s." % pkey_path)
        self.assertTrue(os.path.getsize(pkey_path) > 0, "Private key at %s is empty." % pkey_path)
        ca_path = temp_dir + '/var/sota/import/root.crt'
        self.assertTrue(os.path.isfile(ca_path), "Client certificate not found at %s." % ca_path)
        self.assertTrue(os.path.getsize(ca_path) > 0, "Client certificate at %s is empty." % ca_path)


class SharedCredProvTests(OESelftestTestCase):

    def setUpLocal(self):
        layer = "meta-updater-qemux86-64"
        result = runCmd('bitbake-layers show-layers')
        if re.search(layer, result.output) is None:
            self.meta_qemu = metadir() + layer
            runCmd('bitbake-layers add-layer "%s"' % self.meta_qemu)
        else:
            self.meta_qemu = None
        self.append_config('MACHINE = "qemux86-64"')
        self.append_config('SOTA_CLIENT_PROV = " aktualizr-shared-prov "')
        self.append_config('IMAGE_FSTYPES_remove = "ostreepush garagesign garagecheck"')
        self.qemu, self.s = qemu_launch(machine='qemux86-64')

    def tearDownLocal(self):
        qemu_terminate(self.s)
        if self.meta_qemu:
            runCmd('bitbake-layers remove-layer "%s"' % self.meta_qemu, ignore_status=True)

    def qemu_command(self, command):
        return qemu_send_command(self.qemu.ssh_port, command)

    def test_provisioning(self):
        print('Checking machine name (hostname) of device:')
        stdout, stderr, retcode = self.qemu_command('hostname')
        self.assertEqual(retcode, 0, "Unable to check hostname. " +
                         "Is an ssh daemon (such as dropbear or openssh) installed on the device?")
        machine = get_bb_var('MACHINE', 'core-image-minimal')
        self.assertEqual(stderr, b'', 'Error: ' + stderr.decode())
        # Strip off line ending.
        value = stdout.decode()[:-1]
        self.assertEqual(value, machine,
                         'MACHINE does not match hostname: ' + machine + ', ' + value)

        verifyProvisioned(self, machine)


class ManualControlTests(OESelftestTestCase):

    def setUpLocal(self):
        layer = "meta-updater-qemux86-64"
        result = runCmd('bitbake-layers show-layers')
        if re.search(layer, result.output) is None:
            self.meta_qemu = metadir() + layer
            runCmd('bitbake-layers add-layer "%s"' % self.meta_qemu)
        else:
            self.meta_qemu = None
        self.append_config('MACHINE = "qemux86-64"')
        self.append_config('SOTA_CLIENT_PROV = " aktualizr-shared-prov "')
        self.append_config('SYSTEMD_AUTO_ENABLE_aktualizr = "disable"')
        self.append_config('IMAGE_FSTYPES_remove = "ostreepush garagesign garagecheck"')
        self.qemu, self.s = qemu_launch(machine='qemux86-64')

    def tearDownLocal(self):
        qemu_terminate(self.s)
        if self.meta_qemu:
            runCmd('bitbake-layers remove-layer "%s"' % self.meta_qemu, ignore_status=True)

    def qemu_command(self, command):
        return qemu_send_command(self.qemu.ssh_port, command)

    def test_manual_run_mode_once(self):
        """
        Disable the systemd service then run aktualizr manually
        """
        sleep(20)
        stdout, stderr, retcode = self.qemu_command('aktualizr-info')
        self.assertIn(b'Can\'t open database', stderr,
                      'Aktualizr should not have run yet' + stderr.decode() + stdout.decode())

        stdout, stderr, retcode = self.qemu_command('aktualizr once')

        stdout, stderr, retcode = self.qemu_command('aktualizr-info')
        self.assertIn(b'Fetched metadata: yes', stdout,
                      'Aktualizr should have run' + stderr.decode() + stdout.decode())


class DeviceCredProvTests(OESelftestTestCase):

    def setUpLocal(self):
        layer = "meta-updater-qemux86-64"
        result = runCmd('bitbake-layers show-layers')
        if re.search(layer, result.output) is None:
            self.meta_qemu = metadir() + layer
            runCmd('bitbake-layers add-layer "%s"' % self.meta_qemu)
        else:
            self.meta_qemu = None
        self.append_config('MACHINE = "qemux86-64"')
        self.append_config('SOTA_CLIENT_PROV = " aktualizr-device-prov "')
        self.append_config('SOTA_DEPLOY_CREDENTIALS = "0"')
        self.append_config('IMAGE_FSTYPES_remove = "ostreepush garagesign garagecheck"')
        self.qemu, self.s = qemu_launch(machine='qemux86-64')
        bitbake('build-sysroots -c build_native_sysroot')

    def tearDownLocal(self):
        qemu_terminate(self.s)
        if self.meta_qemu:
            runCmd('bitbake-layers remove-layer "%s"' % self.meta_qemu, ignore_status=True)

    def qemu_command(self, command):
        return qemu_send_command(self.qemu.ssh_port, command)

    def test_provisioning(self):
        print('Checking machine name (hostname) of device:')
        stdout, stderr, retcode = self.qemu_command('hostname')
        self.assertEqual(retcode, 0, "Unable to check hostname. " +
                         "Is an ssh daemon (such as dropbear or openssh) installed on the device?")
        machine = get_bb_var('MACHINE', 'core-image-minimal')
        self.assertEqual(stderr, b'', 'Error: ' + stderr.decode())
        # Strip off line ending.
        value = stdout.decode()[:-1]
        self.assertEqual(value, machine,
                         'MACHINE does not match hostname: ' + machine + ', ' + value)

        verifyNotProvisioned(self, machine)

        # Run aktualizr-cert-provider.
        bb_vars = get_bb_vars(['SOTA_PACKED_CREDENTIALS'], 'aktualizr-native')
        creds = bb_vars['SOTA_PACKED_CREDENTIALS']
        bb_vars_prov = get_bb_vars(['WORKDIR', 'libdir'], 'aktualizr-device-prov')
        config = bb_vars_prov['WORKDIR'] + '/sysroot-destdir' + bb_vars_prov['libdir'] + '/sota/conf.d/20-sota-device-cred.toml'

        print('Provisining at root@localhost:%d' % self.qemu.ssh_port)
        akt_native_run(self, 'aktualizr-cert-provider -c {creds} -t root@localhost -p {port} -s -u -r -g {config}'
                       .format(creds=creds, port=self.qemu.ssh_port, config=config))

        verifyProvisioned(self, machine)


class DeviceCredProvHsmTests(OESelftestTestCase):

    def setUpLocal(self):
        layer = "meta-updater-qemux86-64"
        result = runCmd('bitbake-layers show-layers')
        if re.search(layer, result.output) is None:
            self.meta_qemu = metadir() + layer
            runCmd('bitbake-layers add-layer "%s"' % self.meta_qemu)
        else:
            self.meta_qemu = None
        self.append_config('MACHINE = "qemux86-64"')
        self.append_config('SOTA_CLIENT_PROV = "aktualizr-device-prov-hsm"')
        self.append_config('SOTA_DEPLOY_CREDENTIALS = "0"')
        self.append_config('SOTA_CLIENT_FEATURES = "hsm"')
        self.append_config('IMAGE_INSTALL_append = " softhsm-testtoken"')
        self.append_config('IMAGE_FSTYPES_remove = "ostreepush garagesign garagecheck"')
        self.qemu, self.s = qemu_launch(machine='qemux86-64')
        bitbake('build-sysroots -c build_native_sysroot')

    def tearDownLocal(self):
        qemu_terminate(self.s)
        if self.meta_qemu:
            runCmd('bitbake-layers remove-layer "%s"' % self.meta_qemu, ignore_status=True)

    def qemu_command(self, command):
        return qemu_send_command(self.qemu.ssh_port, command)

    def test_provisioning(self):
        print('Checking machine name (hostname) of device:')
        stdout, stderr, retcode = self.qemu_command('hostname')
        self.assertEqual(retcode, 0, "Unable to check hostname. " +
                         "Is an ssh daemon (such as dropbear or openssh) installed on the device?")
        machine = get_bb_var('MACHINE', 'core-image-minimal')
        self.assertEqual(stderr, b'', 'Error: ' + stderr.decode())
        # Strip off line ending.
        value = stdout.decode()[:-1]
        self.assertEqual(value, machine,
                         'MACHINE does not match hostname: ' + machine + ', ' + value)

        verifyNotProvisioned(self, machine)

        # Verify that HSM is not yet initialized.
        pkcs11_command = 'pkcs11-tool --module=/usr/lib/softhsm/libsofthsm2.so -O'
        stdout, stderr, retcode = self.qemu_command(pkcs11_command)
        self.assertNotEqual(retcode, 0, 'pkcs11-tool succeeded before initialization: ' +
                            stdout.decode() + stderr.decode())
        softhsm2_command = 'softhsm2-util --show-slots'
        stdout, stderr, retcode = self.qemu_command(softhsm2_command)
        self.assertNotEqual(retcode, 0, 'softhsm2-tool succeeded before initialization: ' +
                            stdout.decode() + stderr.decode())

        # Run aktualizr-cert-provider.
        bb_vars = get_bb_vars(['SOTA_PACKED_CREDENTIALS'], 'aktualizr-native')
        creds = bb_vars['SOTA_PACKED_CREDENTIALS']
        bb_vars_prov = get_bb_vars(['WORKDIR', 'libdir'], 'aktualizr-device-prov-hsm')
        config = bb_vars_prov['WORKDIR'] + '/sysroot-destdir' + bb_vars_prov['libdir'] + '/sota/conf.d/20-sota-device-cred-hsm.toml'

        akt_native_run(self, 'aktualizr-cert-provider -c {creds} -t root@localhost -p {port} -r -s -u -g {config}'
                       .format(creds=creds, port=self.qemu.ssh_port, config=config))

        # Verify that HSM is able to initialize.
        for delay in [5, 5, 5, 5, 10]:
            sleep(delay)
            p11_out, p11_err, p11_ret = self.qemu_command(pkcs11_command)
            hsm_out, hsm_err, hsm_ret = self.qemu_command(softhsm2_command)
            if (p11_ret == 0 and hsm_ret == 0 and hsm_err == b'' and
                    b'X.509 cert' in p11_out and b'present token' in p11_err):
                break
        else:
            self.fail('pkcs11-tool or softhsm2-tool failed: ' + p11_err.decode() +
                      p11_out.decode() + hsm_err.decode() + hsm_out.decode())

        self.assertIn(b'Initialized:      yes', hsm_out, 'softhsm2-tool failed: ' +
                      hsm_err.decode() + hsm_out.decode())
        self.assertIn(b'User PIN init.:   yes', hsm_out, 'softhsm2-tool failed: ' +
                      hsm_err.decode() + hsm_out.decode())

        # Check that pkcs11 output matches sofhsm output.
        p11_p = re.compile(r'Using slot [0-9] with a present token \((0x[0-9a-f]*)\)\s')
        p11_m = p11_p.search(p11_err.decode())
        self.assertTrue(p11_m, 'Slot number not found with pkcs11-tool: ' + p11_err.decode() + p11_out.decode())
        self.assertGreater(p11_m.lastindex, 0, 'Slot number not found with pkcs11-tool: ' +
                           p11_err.decode() + p11_out.decode())
        hsm_p = re.compile(r'Description:\s*SoftHSM slot ID (0x[0-9a-f]*)\s')
        hsm_m = hsm_p.search(hsm_out.decode())
        self.assertTrue(hsm_m, 'Slot number not found with softhsm2-tool: ' + hsm_err.decode() + hsm_out.decode())
        self.assertGreater(hsm_m.lastindex, 0, 'Slot number not found with softhsm2-tool: ' +
                           hsm_err.decode() + hsm_out.decode())
        self.assertEqual(p11_m.group(1), hsm_m.group(1), 'Slot number does not match: ' +
                         p11_err.decode() + p11_out.decode() + hsm_err.decode() + hsm_out.decode())

        verifyProvisioned(self, machine)


class IpSecondaryTests(OESelftestTestCase):

    class Image:
        def __init__(self, imagename, binaryname, machine='qemux86-64', bake=True, **kwargs):
            self.machine = machine
            self.imagename = imagename
            self.boot_kwargs = kwargs
            self.binaryname = binaryname
            self.stdout = ''
            self.stderr = ''
            self.retcode = 0
            if bake:
                self.bake()

        def bake(self):
            self.configure()
            qemu_bake_image(self.imagename)

        def send_command(self, cmd, timeout=60):
            stdout, stderr, retcode = qemu_send_command(self.qemu.ssh_port, cmd, timeout=timeout)
            return str(stdout), str(stderr), retcode

        def __enter__(self):
            self.qemu, self.process = qemu_boot_image(machine=self.machine, imagename=self.imagename,
                                                      wait_for_boot_time=1, **self.boot_kwargs)
            # wait until the VM is booted and is SSHable
            self.wait_till_sshable()

        def __exit__(self, exc_type, exc_val, exc_tb):
            qemu_terminate(self.process)

        def wait_till_sshable(self):
            # qemu_send_command tries to ssh into the qemu VM and blocks until it gets there or timeout happens
            # so it helps us to block q control flow until the VM is booted and a target binary/daemon is running there
            self.stdout, self.stderr, self.retcode = self.send_command(self.binaryname + ' --help', timeout=300)

        def was_successfully_booted(self):
            return self.retcode == 0

    class Secondary(Image):
        def __init__(self, test_ctx):
            self._test_ctx = test_ctx
            self.sndry_serial = str(uuid4())
            self.sndry_hw_id = 'qemux86-64-oeselftest-sndry'
            self.id = (self.sndry_hw_id, self.sndry_serial)
            super(IpSecondaryTests.Secondary, self).__init__('secondary-image', 'aktualizr-secondary',
                                                             secondary_network=True)

        def configure(self):
            self._test_ctx.append_config('SECONDARY_SERIAL_ID = "{}"'.format(self.sndry_serial))
            self._test_ctx.append_config('SECONDARY_HARDWARE_ID = "{}"'.format(self.sndry_hw_id))

    class Primary(Image):
        def __init__(self, test_ctx):
            self._test_ctx = test_ctx
            super(IpSecondaryTests.Primary, self).__init__('primary-image', 'aktualizr', secondary_network=True)

        def configure(self):
            self._test_ctx.append_config('MACHINE = "qemux86-64"')
            self._test_ctx.append_config('SOTA_CLIENT_PROV = " aktualizr-shared-prov "')

        def is_ecu_registered(self, ecu_id):
            max_number_of_tries = 40
            try_counter = 0

            # aktualizr-info is not always able to load ECU serials from DB
            # so, let's run it a few times until it actually succeeds
            while try_counter < max_number_of_tries:
                device_status = self.get_info()
                try_counter += 1
                if device_status.find("load ECU serials") == -1:
                    break
                sleep(1)

            if not ((device_status.find(ecu_id[0]) != -1) and (device_status.find(ecu_id[1]) != -1)):
                return False
            not_registered_field = "Removed or not registered ecus:"
            not_reg_start = device_status.find(not_registered_field)
            return not_reg_start == -1 or (device_status.find(ecu_id[1], not_reg_start) == -1)

        def get_info(self):
            stdout, stderr, retcode = self.send_command('aktualizr-info')
            self._test_ctx.assertEqual(retcode, 0, 'Unable to run aktualizr-info: {}'.format(stderr))
            return stdout

    def setUpLocal(self):
        layer = "meta-updater-qemux86-64"
        result = runCmd('bitbake-layers show-layers')
        if re.search(layer, result.output) is None:
            self.meta_qemu = metadir() + layer
            runCmd('bitbake-layers add-layer "%s"' % self.meta_qemu)
        else:
            self.meta_qemu = None

        self.append_config('IMAGE_FSTYPES_remove = "ostreepush garagesign garagecheck"')
        self.primary = IpSecondaryTests.Primary(self)
        self.secondary = IpSecondaryTests.Secondary(self)

    def tearDownLocal(self):
        if self.meta_qemu:
            runCmd('bitbake-layers remove-layer "%s"' % self.meta_qemu, ignore_status=True)

    def test_ip_secondary_registration_if_secondary_starts_first(self):
        with self.secondary:
            self.assertTrue(self.secondary.was_successfully_booted(),
                            'The secondary failed to boot: {}'.format(self.secondary.stderr))

            with self.primary:
                self.assertTrue(self.primary.was_successfully_booted(),
                                'The primary failed to boot: {}'.format(self.primary.stderr))

                self.assertTrue(self.primary.is_ecu_registered(self.secondary.id),
                                "The secondary wasn't registered at the primary: {}".format(self.primary.get_info()))

    def test_ip_secondary_registration_if_primary_starts_first(self):
        with self.primary:
            self.assertTrue(self.primary.was_successfully_booted(),
                            'The primary failed to boot: {}'.format(self.primary.stderr))

            with self.secondary:
                self.assertTrue(self.secondary.was_successfully_booted(),
                                'The secondary failed to boot: {}'.format(self.secondary.stderr))

                self.assertTrue(self.primary.is_ecu_registered(self.secondary.id),
                                "The secondary wasn't registered at the primary: {}".format(self.primary.get_info()))


class ResourceControlTests(OESelftestTestCase):
    def setUpLocal(self):
        layer = "meta-updater-qemux86-64"
        result = runCmd('bitbake-layers show-layers')
        if re.search(layer, result.output) is None:
            self.meta_qemu = metadir() + layer
            runCmd('bitbake-layers add-layer "%s"' % self.meta_qemu)
        else:
            self.meta_qemu = None
        self.append_config('MACHINE = "qemux86-64"')
        self.append_config('SOTA_CLIENT_PROV = " aktualizr-shared-prov "')
        self.append_config('IMAGE_FSTYPES_remove = "ostreepush garagesign garagecheck"')
        self.append_config('IMAGE_INSTALL_append += " aktualizr-resource-control "')
        self.append_config('RESOURCE_CPU_WEIGHT_pn-aktualizr = "1000"')
        self.append_config('RESOURCE_MEMORY_HIGH_pn-aktualizr = "50M"')
        self.append_config('RESOURCE_MEMORY_MAX_pn-aktualizr = "1M"')
        self.qemu, self.s = qemu_launch(machine='qemux86-64')

    def tearDownLocal(self):
        qemu_terminate(self.s)
        if self.meta_qemu:
            runCmd('bitbake-layers remove-layer "%s"' % self.meta_qemu, ignore_status=True)

    def qemu_command(self, command):
        return qemu_send_command(self.qemu.ssh_port, command)

    def test_aktualizr_resource_control(self):
        print('Checking aktualizr was killed')
        ran_ok = False
        for delay in [5, 5, 5, 5]:
            sleep(delay)
            try:
                stdout, stderr, retcode = self.qemu_command('systemctl --no-pager show aktualizr')
                if retcode == 0 and b'ExecMainStatus=9' in stdout:
                    ran_ok = True
                    break
            except subprocess.TimeoutExpired:
                pass
        self.assertTrue(ran_ok, 'Aktualizr was not killed')

        self.assertIn(b'CPUWeight=1000', stdout, 'CPUWeight was not set correctly')
        self.assertIn(b'MemoryHigh=52428800', stdout, 'MemoryHigh was not set correctly')
        self.assertIn(b'MemoryMax=1048576', stdout, 'MemoryMax was not set correctly')

        self.qemu_command('systemctl --runtime set-property aktualizr MemoryMax=')
        self.qemu_command('systemctl restart aktualizr')

        stdout, stderr, retcode = self.qemu_command('systemctl --no-pager show --property=ExecMainStatus aktualizr')
        self.assertIn(b'ExecMainStatus=0', stdout, 'Aktualizr did not restart')

# vim:set ts=4 sw=4 sts=4 expandtab: