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test-network: add test case for reuse of existing 6rd SIT tunnel

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This commit is contained in:
Yu Watanabe
2024-10-31 02:09:31 +09:00
parent d252451482
commit 59528e55af
1 changed files with 15 additions and 9 deletions
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test/test-network/systemd-networkd-tests.py
+15 -9
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@@ -7713,7 +7713,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
self.teardown_nftset('addr6', 'network6', 'ifindex')
def verify_dhcp4_6rd(self, tunnel_name):
def verify_dhcp4_6rd(self, tunnel_name, address_prefix, border_router):
print('### ip -4 address show dev veth-peer scope global')
output = check_output('ip -4 address show dev veth-peer scope global')
print(output)
@@ -7732,7 +7732,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
print('### ip -4 address show dev veth99 scope global')
output = check_output('ip -4 address show dev veth99 scope global')
print(output)
self.assertRegex(output, 'inet 10.100.100.[0-9]*/8 (metric 1024 |)brd 10.255.255.255 scope global dynamic veth99')
self.assertRegex(output, fr'inet {address_prefix}[0-9]*/8 (metric 1024 |)brd 10.255.255.255 scope global dynamic veth99')
print('### ip -6 address show dev veth99 scope global')
output = check_output('ip -6 address show dev veth99 scope global')
@@ -7868,8 +7868,8 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
print(f'### ip -d link show dev {tunnel_name}')
output = check_output(f'ip -d link show dev {tunnel_name}')
print(output)
self.assertIn('link/sit 10.100.100.', output)
self.assertIn('local 10.100.100.', output)
self.assertIn(f'link/sit {address_prefix}', output)
self.assertIn(f'local {address_prefix}', output)
self.assertIn('ttl 64', output)
self.assertIn('6rd-prefix 2001:db8::/32', output)
self.assertIn('6rd-relay_prefix 10.0.0.0/8', output)
@@ -7878,7 +7878,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
output = check_output(f'ip -6 address show dev {tunnel_name}')
print(output)
self.assertRegex(output, 'inet6 2001:db8:6464:[0-9a-f]+0[23]:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*:[0-9a-f]*/64 (metric 256 |)scope global dynamic')
self.assertRegex(output, 'inet6 ::10.100.100.[0-9]+/96 scope global')
self.assertRegex(output, fr'inet6 ::{address_prefix}[0-9]+/96 scope global')
print(f'### ip -6 route show dev {tunnel_name}')
output = check_output(f'ip -6 route show dev {tunnel_name}')
@@ -7890,7 +7890,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
output = check_output('ip -6 route show default')
print(output)
self.assertIn('default', output)
self.assertIn(f'via ::10.0.0.1 dev {tunnel_name}', output)
self.assertIn(f'via ::{border_router} dev {tunnel_name}', output)
def test_dhcp4_6rd(self):
def get_dhcp_6rd_prefix(link):
@@ -7950,13 +7950,19 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
self.wait_online(f'{tunnel_name}:routable')
self.verify_dhcp4_6rd(tunnel_name)
self.verify_dhcp4_6rd(tunnel_name, '10.100.100.1', '10.0.0.1')
# Test case for reconfigure
networkctl_reconfigure('dummy98', 'dummy99')
self.wait_online('dummy98:routable', 'dummy99:degraded')
self.verify_dhcp4_6rd(tunnel_name)
self.verify_dhcp4_6rd(tunnel_name, '10.100.100.1', '10.0.0.1')
# Change the address range and (border) router, then if check the same tunnel is reused.
stop_dnsmasq()
start_dnsmasq('--dhcp-option=212,08:20:20:01:0d:b8:00:00:00:00:00:00:00:00:00:00:00:00:0a:00:00:02',
ipv4_range='10.100.100.200,10.100.100.250',
ipv4_router='10.0.0.2')
print('Wait for the DHCP lease to be renewed/rebind')
time.sleep(120)
@@ -7964,7 +7970,7 @@ class NetworkdDHCPPDTests(unittest.TestCase, Utilities):
self.wait_online('veth99:routable', 'test1:routable', 'dummy97:routable', 'dummy98:routable', 'dummy99:degraded',
'veth97:routable', 'veth97-peer:routable', 'veth98:routable', 'veth98-peer:routable')
self.verify_dhcp4_6rd(tunnel_name)
self.verify_dhcp4_6rd(tunnel_name, '10.100.100.2', '10.0.0.2')
class NetworkdIPv6PrefixTests(unittest.TestCase, Utilities):