'25-dhcp-client-ipv6-only.network',
'25-dhcp-client-keep-configuration-dhcp-on-stop.network',
'25-dhcp-client-keep-configuration-dhcp.network',
- '25-dhcp-client-use-dns-ipv4-and-ra.network',
- '25-dhcp-client-use-dns-ipv4.network',
- '25-dhcp-client-use-dns-no.network',
- '25-dhcp-client-use-dns-yes.network',
'25-dhcp-client-vrf.network',
'25-dhcp-client-with-ipv4ll.network',
'25-dhcp-client.network',
self.assertNotIn('192.168.5.', output)
self.assertRegex(output, r'inet 169\.254\.\d+\.\d+/16 metric 2048 brd 169\.254\.255\.255 scope link')
- def test_dhcp_client_use_dns_yes(self):
- copy_unit_to_networkd_unit_path('25-veth.netdev', '25-dhcp-server-veth-peer.network', '25-dhcp-client-use-dns-yes.network')
-
- start_networkd()
- self.wait_online(['veth-peer:carrier'])
- start_dnsmasq('--dhcp-option=option:dns-server,192.168.5.1 --dhcp-option=option6:dns-server,[2600::1]')
- self.wait_online(['veth99:routable', 'veth-peer:routable'])
-
- # link become 'routable' when at least one protocol provide an valid address.
- self.wait_address('veth99', r'inet 192.168.5.[0-9]*/24 metric 1024 brd 192.168.5.255 scope global dynamic', ipv='-4')
- self.wait_address('veth99', r'inet6 2600::[0-9a-f]*/128 scope global (dynamic noprefixroute|noprefixroute dynamic)', ipv='-6')
-
- time.sleep(3)
- output = check_output(*resolvectl_cmd, 'dns', 'veth99', env=env)
- print(output)
- self.assertRegex(output, '192.168.5.1')
- self.assertRegex(output, '2600::1')
-
- # TODO: check json string
- check_output(*networkctl_cmd, '--json=short', 'status', env=env)
-
- def test_dhcp_client_use_dns_no(self):
- copy_unit_to_networkd_unit_path('25-veth.netdev', '25-dhcp-server-veth-peer.network', '25-dhcp-client-use-dns-no.network')
-
- start_networkd()
- self.wait_online(['veth-peer:carrier'])
- start_dnsmasq('--dhcp-option=option:dns-server,192.168.5.1 --dhcp-option=option6:dns-server,[2600::1]')
- self.wait_online(['veth99:routable', 'veth-peer:routable'])
-
- # link become 'routable' when at least one protocol provide an valid address.
- self.wait_address('veth99', r'inet 192.168.5.[0-9]*/24 metric 1024 brd 192.168.5.255 scope global dynamic', ipv='-4')
- self.wait_address('veth99', r'inet6 2600::[0-9a-f]*/128 scope global (dynamic noprefixroute|noprefixroute dynamic)', ipv='-6')
-
- time.sleep(3)
- output = check_output(*resolvectl_cmd, 'dns', 'veth99', env=env)
- print(output)
- self.assertNotRegex(output, '192.168.5.1')
- self.assertNotRegex(output, '2600::1')
+ def test_dhcp_client_use_dns(self):
+ def check(self, ipv4, ipv6):
+ os.makedirs(os.path.join(network_unit_file_path, '25-dhcp-client.network.d'), exist_ok=True)
+ with open(os.path.join(network_unit_file_path, '25-dhcp-client.network.d/override.conf'), mode='w', encoding='utf-8') as f:
+ f.write('[DHCPv4]\nUseDNS=')
+ f.write('yes' if ipv4 else 'no')
+ f.write('\n[DHCPv6]\nUseDNS=')
+ f.write('yes' if ipv6 else 'no')
+ f.write('\n[IPv6AcceptRA]\nUseDNS=no')
+
+ check_output(*networkctl_cmd, 'reload', env=env)
+ # 'networkctl reload' asynchronously reconfigure links.
+ # Hence, we need to wait for a short time for the link to be in configuring state.
+ time.sleep(1)
+ self.wait_online(['veth99:routable'])
- def test_dhcp_client_use_dns_ipv4(self):
- copy_unit_to_networkd_unit_path('25-veth.netdev', '25-dhcp-server-veth-peer.network', '25-dhcp-client-use-dns-ipv4.network')
+ # link becomes 'routable' when at least one protocol provide an valid address. Hence, we need to explicitly wait for both addresses.
+ self.wait_address('veth99', r'inet 192.168.5.[0-9]*/24 metric 1024 brd 192.168.5.255 scope global dynamic', ipv='-4')
+ self.wait_address('veth99', r'inet6 2600::[0-9a-f]*/128 scope global (dynamic noprefixroute|noprefixroute dynamic)', ipv='-6')
- start_networkd()
- self.wait_online(['veth-peer:carrier'])
- start_dnsmasq('--dhcp-option=option:dns-server,192.168.5.1 --dhcp-option=option6:dns-server,[2600::1]')
- self.wait_online(['veth99:routable', 'veth-peer:routable'])
+ # make resolved re-read the link state file
+ check_output(*resolvectl_cmd, 'revert', 'veth99', env=env)
- # link become 'routable' when at least one protocol provide an valid address.
- self.wait_address('veth99', r'inet 192.168.5.[0-9]*/24 metric 1024 brd 192.168.5.255 scope global dynamic', ipv='-4')
- self.wait_address('veth99', r'inet6 2600::[0-9a-f]*/128 scope global (dynamic noprefixroute|noprefixroute dynamic)', ipv='-6')
+ output = check_output(*resolvectl_cmd, 'dns', 'veth99', env=env)
+ print(output)
+ if ipv4:
+ self.assertIn('192.168.5.1', output)
+ else:
+ self.assertNotIn('192.168.5.1', output)
+ if ipv6:
+ self.assertIn('2600::1', output)
+ else:
+ self.assertNotIn('2600::1', output)
- time.sleep(3)
- output = check_output(*resolvectl_cmd, 'dns', 'veth99', env=env)
- print(output)
- self.assertRegex(output, '192.168.5.1')
- self.assertNotRegex(output, '2600::1')
+ # TODO: check json string
+ check_output(*networkctl_cmd, '--json=short', 'status', env=env)
- def test_dhcp_client_use_dns_ipv4_and_ra(self):
- copy_unit_to_networkd_unit_path('25-veth.netdev', '25-dhcp-server-veth-peer.network', '25-dhcp-client-use-dns-ipv4-and-ra.network')
+ copy_unit_to_networkd_unit_path('25-veth.netdev', '25-dhcp-server-veth-peer.network', '25-dhcp-client.network', dropins=False)
start_networkd()
self.wait_online(['veth-peer:carrier'])
start_dnsmasq('--dhcp-option=option:dns-server,192.168.5.1 --dhcp-option=option6:dns-server,[2600::1]')
- self.wait_online(['veth99:routable', 'veth-peer:routable'])
- # link become 'routable' when at least one protocol provide an valid address.
- self.wait_address('veth99', r'inet 192.168.5.[0-9]*/24 metric 1024 brd 192.168.5.255 scope global dynamic', ipv='-4')
- self.wait_address('veth99', r'inet6 2600::[0-9a-f]*/128 scope global (dynamic noprefixroute|noprefixroute dynamic)', ipv='-6')
-
- time.sleep(3)
- output = check_output(*resolvectl_cmd, 'dns', 'veth99', env=env)
- print(output)
- self.assertRegex(output, '192.168.5.1')
- self.assertRegex(output, '2600::1')
+ check(self, True, True)
+ check(self, True, False)
+ check(self, False, True)
+ check(self, False, False)
def test_dhcp_client_decline(self):
copy_unit_to_networkd_unit_path('25-veth.netdev', '25-dhcp-server-decline.network', '25-dhcp-client-decline.network')
projects / thirdparty / systemd.git / blobdiff