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test-network: add tests for routes to DNS servers provided by DHCPv4

This commit is contained in:
Yu Watanabe 2019-07-16 14:28:40 +09:00
parent a24e12f020
commit 195a18c17d
2 changed files with 38 additions and 1 deletions
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3
test/test-network/conf/dhcp-client-ipv4-only-ipv6-disabled.network
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@ -4,3 +4,6 @@ Name=veth99
[Network]
DHCP=ipv4
IPv6AcceptRA=false
[DHCPv4]
RoutesToDNS=yes

36
test/test-network/systemd-networkd-tests.py
View File

@ -2384,13 +2384,47 @@ class NetworkdDHCPClientTests(unittest.TestCase, Utilities):
start_networkd()
self.wait_online(['veth-peer:carrier'])
start_dnsmasq()
start_dnsmasq(additional_options='--dhcp-option=option:dns-server,192.168.5.6,192.168.5.7', lease_time='2m')
self.wait_online(['veth99:routable', 'veth-peer:routable'])
output = check_output(*networkctl_cmd, 'status', 'veth99', env=env)
print(output)
self.assertNotRegex(output, '2600::')
self.assertRegex(output, '192.168.5')
self.assertRegex(output, '192.168.5.6')
self.assertRegex(output, '192.168.5.7')
# checking routes to DNS servers
output = check_output('ip route show dev veth99')
print(output)
self.assertRegex(output, r'192.168.5.1 proto dhcp scope link src 192.168.5.181 metric 1024')
self.assertRegex(output, r'192.168.5.6 proto dhcp scope link src 192.168.5.181 metric 1024')
self.assertRegex(output, r'192.168.5.7 proto dhcp scope link src 192.168.5.181 metric 1024')
stop_dnsmasq(dnsmasq_pid_file)
start_dnsmasq(additional_options='--dhcp-option=option:dns-server,192.168.5.1,192.168.5.7,192.168.5.8', lease_time='2m')
# Sleep for 120 sec as the dnsmasq minimum lease time can only be set to 120
print('Wait for the dynamic address to be renewed')
time.sleep(125)
self.wait_online(['veth99:routable', 'veth-peer:routable'])
output = check_output(*networkctl_cmd, 'status', 'veth99', env=env)
print(output)
self.assertNotRegex(output, '2600::')
self.assertRegex(output, '192.168.5')
self.assertNotRegex(output, '192.168.5.6')
self.assertRegex(output, '192.168.5.7')
self.assertRegex(output, '192.168.5.8')
# checking routes to DNS servers
output = check_output('ip route show dev veth99')
print(output)
self.assertNotRegex(output, r'192.168.5.6')
self.assertRegex(output, r'192.168.5.1 proto dhcp scope link src 192.168.5.181 metric 1024')
self.assertRegex(output, r'192.168.5.7 proto dhcp scope link src 192.168.5.181 metric 1024')
self.assertRegex(output, r'192.168.5.8 proto dhcp scope link src 192.168.5.181 metric 1024')
def test_dhcp_client_ipv4_ipv6(self):
copy_unit_to_networkd_unit_path('25-veth.netdev', 'dhcp-server-veth-peer.network', 'dhcp-client-ipv6-only.network',