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4ddb85b1 MP |
1 | #!/usr/bin/env python3 |
2 | # | |
3 | # networkd integration test | |
4 | # This uses temporary configuration in /run and temporary veth devices, and | |
5 | # does not write anything on disk or change any system configuration; | |
6 | # but it assumes (and checks at the beginning) that networkd is not currently | |
7 | # running. | |
daad34df MP |
8 | # |
9 | # This can be run on a normal installation, in QEMU, nspawn (with | |
10 | # --private-network), LXD (with "--config raw.lxc=lxc.aa_profile=unconfined"), | |
11 | # or LXC system containers. You need at least the "ip" tool from the iproute | |
12 | # package; it is recommended to install dnsmasq too to get full test coverage. | |
13 | # | |
4ddb85b1 MP |
14 | # ATTENTION: This uses the *installed* networkd, not the one from the built |
15 | # source tree. | |
16 | # | |
17 | # (C) 2015 Canonical Ltd. | |
18 | # Author: Martin Pitt <martin.pitt@ubuntu.com> | |
19 | # | |
20 | # systemd is free software; you can redistribute it and/or modify it | |
21 | # under the terms of the GNU Lesser General Public License as published by | |
22 | # the Free Software Foundation; either version 2.1 of the License, or | |
23 | # (at your option) any later version. | |
24 | ||
25 | # systemd is distributed in the hope that it will be useful, but | |
26 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
28 | # Lesser General Public License for more details. | |
29 | # | |
30 | # You should have received a copy of the GNU Lesser General Public License | |
31 | # along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
32 | ||
33 | import os | |
34 | import sys | |
35 | import time | |
36 | import unittest | |
37 | import tempfile | |
38 | import subprocess | |
39 | import shutil | |
40 | ||
41 | networkd_active = subprocess.call(['systemctl', 'is-active', '--quiet', | |
42 | 'systemd-networkd']) == 0 | |
43 | have_dnsmasq = shutil.which('dnsmasq') | |
44 | ||
30b42a9a MP |
45 | RESOLV_CONF = '/run/systemd/resolve/resolv.conf' |
46 | ||
4ddb85b1 MP |
47 | |
48 | @unittest.skipIf(networkd_active, | |
49 | 'networkd is already active') | |
50 | class ClientTestBase: | |
51 | def setUp(self): | |
52 | self.iface = 'test_eth42' | |
53 | self.if_router = 'router_eth42' | |
54 | self.workdir_obj = tempfile.TemporaryDirectory() | |
55 | self.workdir = self.workdir_obj.name | |
56 | self.config = '/run/systemd/network/test_eth42.network' | |
4ddb85b1 MP |
57 | |
58 | # avoid "Failed to open /dev/tty" errors in containers | |
59 | os.environ['SYSTEMD_LOG_TARGET'] = 'journal' | |
60 | ||
61 | # determine path to systemd-networkd-wait-online | |
62 | for p in ['/usr/lib/systemd/systemd-networkd-wait-online', | |
63 | '/lib/systemd/systemd-networkd-wait-online']: | |
64 | if os.path.exists(p): | |
65 | self.networkd_wait_online = p | |
66 | break | |
67 | else: | |
68 | self.fail('systemd-networkd-wait-online not found') | |
69 | ||
70 | # get current journal cursor | |
71 | out = subprocess.check_output(['journalctl', '-b', '--quiet', | |
72 | '--no-pager', '-n0', '--show-cursor'], | |
73 | universal_newlines=True) | |
74 | self.assertTrue(out.startswith('-- cursor:')) | |
75 | self.journal_cursor = out.split()[-1] | |
76 | ||
77 | def tearDown(self): | |
78 | self.shutdown_iface() | |
4ddb85b1 MP |
79 | subprocess.call(['systemctl', 'stop', 'systemd-networkd']) |
80 | ||
38d78d1e ZJS |
81 | def writeConfig(self, fname, contents): |
82 | os.makedirs(os.path.dirname(fname), exist_ok=True) | |
83 | with open(fname, 'w') as f: | |
84 | f.write(contents) | |
85 | self.addCleanup(os.remove, fname) | |
86 | ||
4ddb85b1 MP |
87 | def show_journal(self, unit): |
88 | '''Show journal of given unit since start of the test''' | |
89 | ||
90 | print('---- %s ----' % unit) | |
91 | sys.stdout.flush() | |
92 | subprocess.call(['journalctl', '-b', '--no-pager', '--quiet', | |
93 | '--cursor', self.journal_cursor, '-u', unit]) | |
94 | ||
95 | def create_iface(self, ipv6=False): | |
96 | '''Create test interface with DHCP server behind it''' | |
97 | ||
98 | raise NotImplementedError('must be implemented by a subclass') | |
99 | ||
100 | def shutdown_iface(self): | |
101 | '''Remove test interface and stop DHCP server''' | |
102 | ||
103 | raise NotImplementedError('must be implemented by a subclass') | |
104 | ||
105 | def print_server_log(self): | |
106 | '''Print DHCP server log for debugging failures''' | |
107 | ||
108 | raise NotImplementedError('must be implemented by a subclass') | |
109 | ||
110 | def do_test(self, coldplug=True, ipv6=False, extra_opts='', | |
111 | online_timeout=10, dhcp_mode='yes'): | |
30b42a9a | 112 | subprocess.check_call(['systemctl', 'start', 'systemd-resolved']) |
38d78d1e ZJS |
113 | self.writeConfig(self.config, '''\ |
114 | [Match] | |
4ddb85b1 MP |
115 | Name=%s |
116 | [Network] | |
117 | DHCP=%s | |
118 | %s''' % (self.iface, dhcp_mode, extra_opts)) | |
119 | ||
120 | if coldplug: | |
121 | # create interface first, then start networkd | |
122 | self.create_iface(ipv6=ipv6) | |
123 | subprocess.check_call(['systemctl', 'start', 'systemd-networkd']) | |
124 | else: | |
125 | # start networkd first, then create interface | |
126 | subprocess.check_call(['systemctl', 'start', 'systemd-networkd']) | |
127 | self.create_iface(ipv6=ipv6) | |
128 | ||
129 | try: | |
130 | subprocess.check_call([self.networkd_wait_online, '--interface', | |
131 | self.iface, '--timeout=%i' % online_timeout]) | |
132 | ||
133 | if ipv6: | |
134 | # check iface state and IP 6 address; FIXME: we need to wait a bit | |
135 | # longer, as the iface is "configured" already with IPv4 *or* | |
136 | # IPv6, but we want to wait for both | |
137 | for timeout in range(10): | |
138 | out = subprocess.check_output(['ip', 'a', 'show', 'dev', self.iface]) | |
139 | if b'state UP' in out and b'inet6 2600' in out and b'inet 192.168' in out: | |
140 | break | |
141 | time.sleep(1) | |
142 | else: | |
143 | self.fail('timed out waiting for IPv6 configuration') | |
144 | ||
145 | self.assertRegex(out, b'inet6 2600::.* scope global .*dynamic') | |
146 | self.assertRegex(out, b'inet6 fe80::.* scope link') | |
147 | else: | |
148 | # should have link-local address on IPv6 only | |
149 | out = subprocess.check_output(['ip', '-6', 'a', 'show', 'dev', self.iface]) | |
150 | self.assertRegex(out, b'inet6 fe80::.* scope link') | |
151 | self.assertNotIn(b'scope global', out) | |
152 | ||
153 | # should have IPv4 address | |
154 | out = subprocess.check_output(['ip', '-4', 'a', 'show', 'dev', self.iface]) | |
155 | self.assertIn(b'state UP', out) | |
156 | self.assertRegex(out, b'inet 192.168.5.\d+/.* scope global dynamic') | |
157 | ||
158 | # check networkctl state | |
159 | out = subprocess.check_output(['networkctl']) | |
160 | self.assertRegex(out, ('%s\s+ether\s+routable\s+unmanaged' % self.if_router).encode()) | |
161 | self.assertRegex(out, ('%s\s+ether\s+routable\s+configured' % self.iface).encode()) | |
162 | ||
163 | out = subprocess.check_output(['networkctl', 'status', self.iface]) | |
164 | self.assertRegex(out, b'Type:\s+ether') | |
165 | self.assertRegex(out, b'State:\s+routable.*configured') | |
166 | self.assertRegex(out, b'Address:\s+192.168.5.\d+') | |
167 | if ipv6: | |
168 | self.assertRegex(out, b'2600::') | |
169 | else: | |
170 | self.assertNotIn(b'2600::', out) | |
171 | self.assertRegex(out, b'fe80::') | |
172 | self.assertRegex(out, b'Gateway:\s+192.168.5.1') | |
173 | self.assertRegex(out, b'DNS:\s+192.168.5.1') | |
174 | except (AssertionError, subprocess.CalledProcessError): | |
175 | # show networkd status, journal, and DHCP server log on failure | |
176 | with open(self.config) as f: | |
177 | print('\n---- %s ----\n%s' % (self.config, f.read())) | |
178 | print('---- interface status ----') | |
179 | sys.stdout.flush() | |
180 | subprocess.call(['ip', 'a', 'show', 'dev', self.iface]) | |
181 | print('---- networkctl status %s ----' % self.iface) | |
182 | sys.stdout.flush() | |
183 | subprocess.call(['networkctl', 'status', self.iface]) | |
184 | self.show_journal('systemd-networkd.service') | |
185 | self.print_server_log() | |
186 | raise | |
187 | ||
30b42a9a MP |
188 | for timeout in range(50): |
189 | with open(RESOLV_CONF) as f: | |
190 | contents = f.read() | |
191 | if 'nameserver 192.168.5.1\n' in contents: | |
192 | break | |
193 | time.sleep(0.1) | |
194 | else: | |
195 | self.fail('nameserver 192.168.5.1 not found in ' + RESOLV_CONF) | |
4ddb85b1 MP |
196 | |
197 | if not coldplug: | |
198 | # check post-down.d hook | |
199 | self.shutdown_iface() | |
200 | ||
201 | def test_coldplug_dhcp_yes_ip4(self): | |
202 | # we have a 12s timeout on RA, so we need to wait longer | |
203 | self.do_test(coldplug=True, ipv6=False, online_timeout=15) | |
204 | ||
205 | def test_coldplug_dhcp_yes_ip4_no_ra(self): | |
206 | # with disabling RA explicitly things should be fast | |
207 | self.do_test(coldplug=True, ipv6=False, | |
f921f573 | 208 | extra_opts='IPv6AcceptRA=False') |
4ddb85b1 MP |
209 | |
210 | def test_coldplug_dhcp_ip4_only(self): | |
211 | # we have a 12s timeout on RA, so we need to wait longer | |
212 | self.do_test(coldplug=True, ipv6=False, dhcp_mode='ipv4', | |
213 | online_timeout=15) | |
214 | ||
215 | def test_coldplug_dhcp_ip4_only_no_ra(self): | |
216 | # with disabling RA explicitly things should be fast | |
217 | self.do_test(coldplug=True, ipv6=False, dhcp_mode='ipv4', | |
f921f573 | 218 | extra_opts='IPv6AcceptRA=False') |
4ddb85b1 MP |
219 | |
220 | def test_coldplug_dhcp_ip6(self): | |
221 | self.do_test(coldplug=True, ipv6=True) | |
222 | ||
223 | def test_hotplug_dhcp_ip4(self): | |
224 | # With IPv4 only we have a 12s timeout on RA, so we need to wait longer | |
225 | self.do_test(coldplug=False, ipv6=False, online_timeout=15) | |
226 | ||
227 | def test_hotplug_dhcp_ip6(self): | |
228 | self.do_test(coldplug=False, ipv6=True) | |
229 | ||
94363cbb | 230 | def test_route_only_dns(self): |
38d78d1e ZJS |
231 | self.writeConfig('/run/systemd/network/myvpn.netdev', '''\ |
232 | [NetDev] | |
94363cbb MP |
233 | Name=dummy0 |
234 | Kind=dummy | |
235 | MACAddress=12:34:56:78:9a:bc''') | |
38d78d1e ZJS |
236 | self.writeConfig('/run/systemd/network/myvpn.network', '''\ |
237 | [Match] | |
94363cbb MP |
238 | Name=dummy0 |
239 | [Network] | |
240 | Address=192.168.42.100 | |
241 | DNS=192.168.42.1 | |
242 | Domains= ~company''') | |
94363cbb MP |
243 | |
244 | self.do_test(coldplug=True, ipv6=False, | |
245 | extra_opts='IPv6AcceptRouterAdvertisements=False') | |
246 | ||
30b42a9a MP |
247 | with open(RESOLV_CONF) as f: |
248 | contents = f.read() | |
94363cbb MP |
249 | # ~company is not a search domain, only a routing domain |
250 | self.assertNotRegex(contents, 'search.*company') | |
30b42a9a MP |
251 | # our global server should appear |
252 | self.assertIn('nameserver 192.168.5.1\n', contents) | |
b9fe94ca MP |
253 | # should not have domain-restricted server as global server |
254 | self.assertNotIn('nameserver 192.168.42.1\n', contents) | |
255 | ||
256 | def test_route_only_dns_all_domains(self): | |
257 | with open('/run/systemd/network/myvpn.netdev', 'w') as f: | |
258 | f.write('''[NetDev] | |
259 | Name=dummy0 | |
260 | Kind=dummy | |
261 | MACAddress=12:34:56:78:9a:bc''') | |
262 | with open('/run/systemd/network/myvpn.network', 'w') as f: | |
263 | f.write('''[Match] | |
264 | Name=dummy0 | |
265 | [Network] | |
266 | Address=192.168.42.100 | |
267 | DNS=192.168.42.1 | |
268 | Domains= ~company ~.''') | |
269 | self.addCleanup(os.remove, '/run/systemd/network/myvpn.netdev') | |
270 | self.addCleanup(os.remove, '/run/systemd/network/myvpn.network') | |
271 | ||
272 | self.do_test(coldplug=True, ipv6=False, | |
273 | extra_opts='IPv6AcceptRouterAdvertisements=False') | |
274 | ||
275 | with open(RESOLV_CONF) as f: | |
276 | contents = f.read() | |
277 | ||
278 | # ~company is not a search domain, only a routing domain | |
279 | self.assertNotRegex(contents, 'search.*company') | |
280 | ||
281 | # our global server should appear | |
282 | self.assertIn('nameserver 192.168.5.1\n', contents) | |
283 | # should have company server as global server due to ~. | |
284 | self.assertIn('nameserver 192.168.42.1\n', contents) | |
94363cbb | 285 | |
4ddb85b1 MP |
286 | |
287 | @unittest.skipUnless(have_dnsmasq, 'dnsmasq not installed') | |
288 | class DnsmasqClientTest(ClientTestBase, unittest.TestCase): | |
289 | '''Test networkd client against dnsmasq''' | |
290 | ||
291 | def setUp(self): | |
292 | super().setUp() | |
293 | self.dnsmasq = None | |
294 | ||
b9fe94ca | 295 | def create_iface(self, ipv6=False, dnsmasq_opts=None): |
4ddb85b1 MP |
296 | '''Create test interface with DHCP server behind it''' |
297 | ||
298 | # add veth pair | |
299 | subprocess.check_call(['ip', 'link', 'add', 'name', self.iface, 'type', | |
300 | 'veth', 'peer', 'name', self.if_router]) | |
301 | ||
302 | # give our router an IP | |
303 | subprocess.check_call(['ip', 'a', 'flush', 'dev', self.if_router]) | |
304 | subprocess.check_call(['ip', 'a', 'add', '192.168.5.1/24', 'dev', self.if_router]) | |
305 | if ipv6: | |
306 | subprocess.check_call(['ip', 'a', 'add', '2600::1/64', 'dev', self.if_router]) | |
307 | subprocess.check_call(['ip', 'link', 'set', self.if_router, 'up']) | |
308 | ||
309 | # add DHCP server | |
310 | self.dnsmasq_log = os.path.join(self.workdir, 'dnsmasq.log') | |
311 | lease_file = os.path.join(self.workdir, 'dnsmasq.leases') | |
312 | if ipv6: | |
313 | extra_opts = ['--enable-ra', '--dhcp-range=2600::10,2600::20'] | |
314 | else: | |
315 | extra_opts = [] | |
b9fe94ca MP |
316 | if dnsmasq_opts: |
317 | extra_opts += dnsmasq_opts | |
4ddb85b1 MP |
318 | self.dnsmasq = subprocess.Popen( |
319 | ['dnsmasq', '--keep-in-foreground', '--log-queries', | |
320 | '--log-facility=' + self.dnsmasq_log, '--conf-file=/dev/null', | |
321 | '--dhcp-leasefile=' + lease_file, '--bind-interfaces', | |
322 | '--interface=' + self.if_router, '--except-interface=lo', | |
323 | '--dhcp-range=192.168.5.10,192.168.5.200'] + extra_opts) | |
324 | ||
325 | def shutdown_iface(self): | |
326 | '''Remove test interface and stop DHCP server''' | |
327 | ||
328 | if self.if_router: | |
329 | subprocess.check_call(['ip', 'link', 'del', 'dev', self.if_router]) | |
330 | self.if_router = None | |
331 | if self.dnsmasq: | |
332 | self.dnsmasq.kill() | |
333 | self.dnsmasq.wait() | |
334 | self.dnsmasq = None | |
335 | ||
336 | def print_server_log(self): | |
337 | '''Print DHCP server log for debugging failures''' | |
338 | ||
339 | with open(self.dnsmasq_log) as f: | |
340 | sys.stdout.write('\n\n---- dnsmasq log ----\n%s\n------\n\n' % f.read()) | |
341 | ||
b9fe94ca MP |
342 | def test_resolved_domain_restricted_dns(self): |
343 | '''resolved: domain-restricted DNS servers''' | |
344 | ||
345 | # create interface for generic connections; this will map all DNS names | |
346 | # to 192.168.42.1 | |
347 | self.create_iface(dnsmasq_opts=['--address=/#/192.168.42.1']) | |
348 | self.writeConfig('/run/systemd/network/general.network', '''\ | |
349 | [Match] | |
350 | Name=%s | |
351 | [Network] | |
352 | DHCP=ipv4 | |
353 | IPv6AcceptRA=False''' % self.iface) | |
354 | ||
355 | # create second device/dnsmasq for a .company/.lab VPN interface | |
356 | # static IPs for simplicity | |
357 | subprocess.check_call(['ip', 'link', 'add', 'name', 'testvpnclient', 'type', | |
358 | 'veth', 'peer', 'name', 'testvpnrouter']) | |
359 | self.addCleanup(subprocess.call, ['ip', 'link', 'del', 'dev', 'testvpnrouter']) | |
360 | subprocess.check_call(['ip', 'a', 'flush', 'dev', 'testvpnrouter']) | |
361 | subprocess.check_call(['ip', 'a', 'add', '10.241.3.1/24', 'dev', 'testvpnrouter']) | |
362 | subprocess.check_call(['ip', 'link', 'set', 'testvpnrouter', 'up']) | |
363 | ||
364 | vpn_dnsmasq_log = os.path.join(self.workdir, 'dnsmasq-vpn.log') | |
365 | vpn_dnsmasq = subprocess.Popen( | |
366 | ['dnsmasq', '--keep-in-foreground', '--log-queries', | |
367 | '--log-facility=' + vpn_dnsmasq_log, '--conf-file=/dev/null', | |
368 | '--dhcp-leasefile=/dev/null', '--bind-interfaces', | |
369 | '--interface=testvpnrouter', '--except-interface=lo', | |
370 | '--address=/math.lab/10.241.3.3', '--address=/cantina.company/10.241.4.4']) | |
371 | self.addCleanup(vpn_dnsmasq.wait) | |
372 | self.addCleanup(vpn_dnsmasq.kill) | |
373 | ||
374 | self.writeConfig('/run/systemd/network/vpn.network', '''\ | |
375 | [Match] | |
376 | Name=testvpnclient | |
377 | [Network] | |
378 | IPv6AcceptRA=False | |
379 | Address=10.241.3.2/24 | |
380 | DNS=10.241.3.1 | |
381 | Domains= ~company ~lab''') | |
382 | ||
383 | subprocess.check_call(['systemctl', 'start', 'systemd-networkd']) | |
384 | subprocess.check_call([self.networkd_wait_online, '--interface', self.iface, | |
385 | '--interface=testvpnclient', '--timeout=20']) | |
386 | ||
387 | # ensure we start fresh with every test | |
388 | subprocess.check_call(['systemctl', 'restart', 'systemd-resolved']) | |
389 | ||
390 | # test vpnclient specific domains; these should *not* be answered by | |
391 | # the general DNS | |
392 | out = subprocess.check_output(['systemd-resolve', 'math.lab']) | |
393 | self.assertIn(b'math.lab: 10.241.3.3', out) | |
394 | out = subprocess.check_output(['systemd-resolve', 'kettle.cantina.company']) | |
395 | self.assertIn(b'kettle.cantina.company: 10.241.4.4', out) | |
396 | ||
397 | # test general domains | |
398 | out = subprocess.check_output(['systemd-resolve', 'megasearch.net']) | |
399 | self.assertIn(b'megasearch.net: 192.168.42.1', out) | |
400 | ||
401 | with open(self.dnsmasq_log) as f: | |
402 | general_log = f.read() | |
403 | with open(vpn_dnsmasq_log) as f: | |
404 | vpn_log = f.read() | |
405 | ||
406 | # VPN domains should only be sent to VPN DNS | |
407 | self.assertRegex(vpn_log, 'query.*math.lab') | |
408 | self.assertRegex(vpn_log, 'query.*cantina.company') | |
409 | self.assertNotIn('lab', general_log) | |
410 | self.assertNotIn('company', general_log) | |
411 | ||
412 | # general domains should not be sent to the VPN DNS | |
413 | self.assertRegex(general_log, 'query.*megasearch.net') | |
414 | self.assertNotIn('megasearch.net', vpn_log) | |
415 | ||
4ddb85b1 MP |
416 | |
417 | class NetworkdClientTest(ClientTestBase, unittest.TestCase): | |
418 | '''Test networkd client against networkd server''' | |
419 | ||
420 | def setUp(self): | |
421 | super().setUp() | |
422 | self.dnsmasq = None | |
423 | ||
424 | def create_iface(self, ipv6=False): | |
425 | '''Create test interface with DHCP server behind it''' | |
426 | ||
427 | # run "router-side" networkd in own mount namespace to shield it from | |
428 | # "client-side" configuration and networkd | |
429 | (fd, script) = tempfile.mkstemp(prefix='networkd-router.sh') | |
430 | self.addCleanup(os.remove, script) | |
431 | with os.fdopen(fd, 'w+') as f: | |
38d78d1e ZJS |
432 | f.write('''\ |
433 | #!/bin/sh -eu | |
4ddb85b1 MP |
434 | mkdir -p /run/systemd/network |
435 | mkdir -p /run/systemd/netif | |
436 | mount -t tmpfs none /run/systemd/network | |
437 | mount -t tmpfs none /run/systemd/netif | |
438 | [ ! -e /run/dbus ] || mount -t tmpfs none /run/dbus | |
439 | # create router/client veth pair | |
440 | cat << EOF > /run/systemd/network/test.netdev | |
441 | [NetDev] | |
442 | Name=%(ifr)s | |
443 | Kind=veth | |
444 | ||
445 | [Peer] | |
446 | Name=%(ifc)s | |
447 | EOF | |
448 | ||
449 | cat << EOF > /run/systemd/network/test.network | |
450 | [Match] | |
451 | Name=%(ifr)s | |
452 | ||
453 | [Network] | |
454 | Address=192.168.5.1/24 | |
455 | %(addr6)s | |
456 | DHCPServer=yes | |
457 | ||
458 | [DHCPServer] | |
459 | PoolOffset=10 | |
460 | PoolSize=50 | |
461 | DNS=192.168.5.1 | |
462 | EOF | |
463 | ||
464 | # run networkd as in systemd-networkd.service | |
465 | exec $(systemctl cat systemd-networkd.service | sed -n '/^ExecStart=/ { s/^.*=//; p}') | |
466 | ''' % {'ifr': self.if_router, 'ifc': self.iface, 'addr6': ipv6 and 'Address=2600::1/64' or ''}) | |
467 | ||
468 | os.fchmod(fd, 0o755) | |
469 | ||
470 | subprocess.check_call(['systemd-run', '--unit=networkd-test-router.service', | |
471 | '-p', 'InaccessibleDirectories=-/etc/systemd/network', | |
472 | '-p', 'InaccessibleDirectories=-/run/systemd/network', | |
473 | '-p', 'InaccessibleDirectories=-/run/systemd/netif', | |
474 | '--service-type=notify', script]) | |
475 | ||
476 | # wait until devices got created | |
477 | for timeout in range(50): | |
478 | out = subprocess.check_output(['ip', 'a', 'show', 'dev', self.if_router]) | |
479 | if b'state UP' in out and b'scope global' in out: | |
480 | break | |
481 | time.sleep(0.1) | |
482 | ||
483 | def shutdown_iface(self): | |
484 | '''Remove test interface and stop DHCP server''' | |
485 | ||
486 | if self.if_router: | |
487 | subprocess.check_call(['systemctl', 'stop', 'networkd-test-router.service']) | |
488 | # ensure failed transient unit does not stay around | |
489 | subprocess.call(['systemctl', 'reset-failed', 'networkd-test-router.service']) | |
490 | subprocess.call(['ip', 'link', 'del', 'dev', self.if_router]) | |
491 | self.if_router = None | |
492 | ||
493 | def print_server_log(self): | |
494 | '''Print DHCP server log for debugging failures''' | |
495 | ||
496 | self.show_journal('networkd-test-router.service') | |
497 | ||
498 | @unittest.skip('networkd does not have DHCPv6 server support') | |
499 | def test_hotplug_dhcp_ip6(self): | |
500 | pass | |
501 | ||
502 | @unittest.skip('networkd does not have DHCPv6 server support') | |
503 | def test_coldplug_dhcp_ip6(self): | |
504 | pass | |
505 | ||
d2bc1251 MP |
506 | def test_search_domains(self): |
507 | ||
508 | # we don't use this interface for this test | |
509 | self.if_router = None | |
510 | ||
38d78d1e ZJS |
511 | self.writeConfig('/run/systemd/network/test.netdev', '''\ |
512 | [NetDev] | |
d2bc1251 MP |
513 | Name=dummy0 |
514 | Kind=dummy | |
515 | MACAddress=12:34:56:78:9a:bc''') | |
38d78d1e ZJS |
516 | self.writeConfig('/run/systemd/network/test.network', '''\ |
517 | [Match] | |
d2bc1251 MP |
518 | Name=dummy0 |
519 | [Network] | |
520 | Address=192.168.42.100 | |
521 | DNS=192.168.42.1 | |
522 | Domains= one two three four five six seven eight nine ten''') | |
d2bc1251 MP |
523 | |
524 | subprocess.check_call(['systemctl', 'start', 'systemd-networkd']) | |
525 | ||
30b42a9a MP |
526 | for timeout in range(50): |
527 | with open(RESOLV_CONF) as f: | |
528 | contents = f.read() | |
529 | if ' one' in contents: | |
530 | break | |
531 | time.sleep(0.1) | |
532 | self.assertRegex(contents, 'search .*one two three four') | |
533 | self.assertNotIn('seven\n', contents) | |
534 | self.assertIn('# Too many search domains configured, remaining ones ignored.\n', contents) | |
d2bc1251 MP |
535 | |
536 | def test_search_domains_too_long(self): | |
537 | ||
538 | # we don't use this interface for this test | |
539 | self.if_router = None | |
540 | ||
541 | name_prefix = 'a' * 60 | |
542 | ||
38d78d1e ZJS |
543 | self.writeConfig('/run/systemd/network/test.netdev', '''\ |
544 | [NetDev] | |
d2bc1251 MP |
545 | Name=dummy0 |
546 | Kind=dummy | |
547 | MACAddress=12:34:56:78:9a:bc''') | |
38d78d1e ZJS |
548 | self.writeConfig('/run/systemd/network/test.network', '''\ |
549 | [Match] | |
d2bc1251 MP |
550 | Name=dummy0 |
551 | [Network] | |
552 | Address=192.168.42.100 | |
553 | DNS=192.168.42.1 | |
38d78d1e | 554 | Domains={p}0 {p}1 {p}2 {p}3 {p}4'''.format(p=name_prefix)) |
d2bc1251 MP |
555 | |
556 | subprocess.check_call(['systemctl', 'start', 'systemd-networkd']) | |
557 | ||
30b42a9a MP |
558 | for timeout in range(50): |
559 | with open(RESOLV_CONF) as f: | |
560 | contents = f.read() | |
561 | if ' one' in contents: | |
562 | break | |
563 | time.sleep(0.1) | |
38d78d1e | 564 | self.assertRegex(contents, 'search .*{p}0 {p}1 {p}2'.format(p=name_prefix)) |
30b42a9a | 565 | self.assertIn('# Total length of all search domains is too long, remaining ones ignored.', contents) |
d2bc1251 | 566 | |
047a0dac JSB |
567 | def test_dropin(self): |
568 | # we don't use this interface for this test | |
569 | self.if_router = None | |
570 | ||
571 | self.writeConfig('/run/systemd/network/test.netdev', '''\ | |
572 | [NetDev] | |
573 | Name=dummy0 | |
574 | Kind=dummy | |
575 | MACAddress=12:34:56:78:9a:bc''') | |
576 | self.writeConfig('/run/systemd/network/test.network', '''\ | |
577 | [Match] | |
578 | Name=dummy0 | |
579 | [Network] | |
580 | Address=192.168.42.100 | |
581 | DNS=192.168.42.1''') | |
582 | self.writeConfig('/run/systemd/network/test.network.d/dns.conf', '''\ | |
583 | [Network] | |
584 | DNS=127.0.0.1''') | |
585 | ||
586 | subprocess.check_call(['systemctl', 'start', 'systemd-networkd']) | |
587 | ||
588 | for timeout in range(50): | |
589 | with open(RESOLV_CONF) as f: | |
590 | contents = f.read() | |
591 | if ' 127.0.0.1' in contents: | |
592 | break | |
593 | time.sleep(0.1) | |
594 | self.assertIn('nameserver 192.168.42.1\n', contents) | |
595 | self.assertIn('nameserver 127.0.0.1\n', contents) | |
596 | ||
4ddb85b1 MP |
597 | if __name__ == '__main__': |
598 | unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, | |
599 | verbosity=2)) |