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test-network: add test case for removing conflicting routes

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For issue #28439.
This commit is contained in:
Yu Watanabe 2024-02-08 18:24:33 +09:00
parent e3cc2bd9c6
commit 9fbab82bef
3 changed files with 62 additions and 0 deletions
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18
test/test-network/conf/25-veth-router-high2.network Normal file
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@ -0,0 +1,18 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=router-low
[Network]
IPv6AcceptRA=no
IPv6SendRA=yes
[IPv6SendRA]
# changed from low to high
RouterPreference=high
EmitDNS=no
EmitDomains=no
[IPv6Prefix]
Prefix=2002:da8:1:98::/64
PreferredLifetimeSec=1000s
ValidLifetimeSec=2100s

18
test/test-network/conf/25-veth-router-low2.network Normal file
View file

@ -0,0 +1,18 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=router-high
[Network]
IPv6AcceptRA=no
IPv6SendRA=yes
[IPv6SendRA]
# changed from high to low
RouterPreference=low
EmitDNS=no
EmitDomains=no
[IPv6Prefix]
Prefix=2002:da8:1:99::/64
PreferredLifetimeSec=1000s
ValidLifetimeSec=2100s

26
test/test-network/systemd-networkd-tests.py
View file

@ -5314,9 +5314,11 @@ class NetworkdRATests(unittest.TestCase, Utilities):
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a99')
print(output)
self.assertIn('metric 512', output)
self.assertIn('pref high', output)
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a98')
print(output)
self.assertIn('metric 2048', output)
self.assertIn('pref low', output)
with open(os.path.join(network_unit_dir, '25-veth-client.network'), mode='a', encoding='utf-8') as f:
@ -5332,11 +5334,35 @@ class NetworkdRATests(unittest.TestCase, Utilities):
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a99')
print(output)
self.assertIn('metric 100', output)
self.assertNotIn('metric 512', output)
self.assertIn('pref high', output)
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a98')
print(output)
self.assertIn('metric 300', output)
self.assertNotIn('metric 2048', output)
self.assertIn('pref low', output)
# swap the preference (for issue #28439)
remove_network_unit('25-veth-router-high.network', '25-veth-router-low.network')
copy_network_unit('25-veth-router-high2.network', '25-veth-router-low2.network')
networkctl_reload()
self.wait_route('client', 'default via fe80::1034:56ff:fe78:9a99 proto ra metric 300', ipv='-6', timeout_sec=10)
self.wait_route('client', 'default via fe80::1034:56ff:fe78:9a98 proto ra metric 100', ipv='-6', timeout_sec=10)
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a99')
print(output)
self.assertIn('metric 300', output)
self.assertNotIn('metric 100', output)
self.assertIn('pref low', output)
self.assertNotIn('pref high', output)
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a98')
print(output)
self.assertIn('metric 100', output)
self.assertNotIn('metric 300', output)
self.assertIn('pref high', output)
self.assertNotIn('pref low', output)
@unittest.skipUnless(radvd_check_config('captive-portal.conf'), "Installed radvd doesn't support captive portals")
def test_captive_portal(self):
copy_network_unit('25-veth-client.netdev',