diff options
Diffstat (limited to 'test/networkd-test.py')
| -rwxr-xr-x | test/networkd-test.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/networkd-test.py b/test/networkd-test.py index 39bd4f5b1b..f178a144f0 100755 --- a/test/networkd-test.py +++ b/test/networkd-test.py @@ -504,6 +504,61 @@ Domains= ~company ~lab''') self.assertRegex(general_log, 'query.*megasearch.net') self.assertNotIn('megasearch.net', vpn_log) + def test_resolved_etc_hosts(self): + '''resolved queries to /etc/hosts''' + + # FIXME: -t MX query fails with enabled DNSSEC (even when using + # the known negative trust anchor .internal instead of .example) + conf = '/run/systemd/resolved.conf.d/test-disable-dnssec.conf' + os.makedirs(os.path.dirname(conf), exist_ok=True) + with open(conf, 'w') as f: + f.write('[Resolve]\nDNSSEC=no') + self.addCleanup(os.remove, conf) + + # create /etc/hosts bind mount which resolves my.example for IPv4 + hosts = os.path.join(self.workdir, 'hosts') + with open(hosts, 'w') as f: + f.write('172.16.99.99 my.example\n') + subprocess.check_call(['mount', '--bind', hosts, '/etc/hosts']) + self.addCleanup(subprocess.call, ['umount', '/etc/hosts']) + subprocess.check_call(['systemctl', 'stop', 'systemd-resolved.service']) + + # note: different IPv4 address here, so that it's easy to tell apart + # what resolved the query + self.create_iface(dnsmasq_opts=['--host-record=my.example,172.16.99.1,2600::99:99', + '--host-record=other.example,172.16.0.42,2600::42', + '--mx-host=example,mail.example'], + ipv6=True) + self.do_test(coldplug=None, ipv6=True) + + try: + # family specific queries + out = subprocess.check_output(['systemd-resolve', '-4', 'my.example']) + self.assertIn(b'my.example: 172.16.99.99', out) + # we don't expect an IPv6 answer; if /etc/hosts has any IP address, + # it's considered a sufficient source + self.assertNotEqual(subprocess.call(['systemd-resolve', '-6', 'my.example']), 0) + # "any family" query; IPv4 should come from /etc/hosts + out = subprocess.check_output(['systemd-resolve', 'my.example']) + self.assertIn(b'my.example: 172.16.99.99', out) + # IP → name lookup; again, takes the /etc/hosts one + out = subprocess.check_output(['systemd-resolve', '172.16.99.99']) + self.assertIn(b'172.16.99.99: my.example', out) + + # non-address RRs should fall back to DNS + out = subprocess.check_output(['systemd-resolve', '--type=MX', 'example']) + self.assertIn(b'example IN MX 1 mail.example', out) + + # other domains query DNS + out = subprocess.check_output(['systemd-resolve', 'other.example']) + self.assertIn(b'172.16.0.42', out) + out = subprocess.check_output(['systemd-resolve', '172.16.0.42']) + self.assertIn(b'172.16.0.42: other.example', out) + except (AssertionError, subprocess.CalledProcessError): + self.show_journal('systemd-resolved.service') + self.print_server_log() + raise + def test_transient_hostname(self): '''networkd sets transient hostname from DHCP''' |