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test-network: split out check_router_preference() from test_router_preference()

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This also drop high2.network and low2.network, and edit high.network and
low.network during the test.
This commit is contained in:
Yu Watanabe
2024-11-19 04:44:59 +09:00
parent 25688f8d5a
commit 16ccdc3748
3 changed files with 32 additions and 90 deletions
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test/test-network/conf/25-veth-router-high2.network
-18
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@@ -1,18 +0,0 @@
# 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
test/test-network/conf/25-veth-router-low2.network
-18
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@@ -1,18 +0,0 @@
# 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
test/test-network/systemd-networkd-tests.py
+32 -54
View File
@@ -6391,6 +6391,27 @@ class NetworkdRATests(unittest.TestCase, Utilities):
self.check_ipv6_sysctl_attr('client', 'hop_limit', '43')
def check_router_preference(self, suffix, metric_1, preference_1, metric_2, preference_2):
self.wait_online('client:routable')
self.wait_address('client', f'2002:da8:1:99:1034:56ff:fe78:9a{suffix}/64', ipv='-6', timeout_sec=10)
self.wait_address('client', f'2002:da8:1:98:1034:56ff:fe78:9a{suffix}/64', ipv='-6', timeout_sec=10)
self.wait_route('client', rf'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric {metric_1}', ipv='-6', timeout_sec=10)
self.wait_route('client', rf'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric {metric_2}', ipv='-6', timeout_sec=10)
print('### ip -6 route show dev client default')
output = check_output('ip -6 route show dev client default')
print(output)
self.assertRegex(output, rf'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric {metric_1} expires [0-9]*sec pref {preference_1}')
self.assertRegex(output, rf'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric {metric_2} expires [0-9]*sec pref {preference_2}')
for i in [100, 200, 300, 512, 1024, 2048]:
if i not in [metric_1, metric_2]:
self.assertNotIn(f'{i}', output)
for i in ['low', 'medium', 'high']:
if i not in [preference_1, preference_2]:
self.assertNotIn(f'{i}', output)
def test_router_preference(self):
copy_network_unit('25-veth-client.netdev',
'25-veth-router-high.netdev',
@@ -6409,72 +6430,29 @@ class NetworkdRATests(unittest.TestCase, Utilities):
networkctl_reconfigure('client')
self.wait_online('client:routable')
self.check_router_preference('00', 512, 'high', 2048, 'low')
self.wait_address('client', '2002:da8:1:99:1034:56ff:fe78:9a00/64', ipv='-6', timeout_sec=10)
self.wait_address('client', '2002:da8:1:98:1034:56ff:fe78:9a00/64', ipv='-6', timeout_sec=10)
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 512', ipv='-6', timeout_sec=10)
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 2048', ipv='-6', timeout_sec=10)
print('### ip -6 route show dev client default')
output = check_output('ip -6 route show dev client default')
print(output)
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 512 expires [0-9]*sec pref high')
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 2048 expires [0-9]*sec pref low')
# change the map from preference to metric.
with open(os.path.join(network_unit_dir, '25-veth-client.network'), mode='a', encoding='utf-8') as f:
f.write('\n[Link]\nMACAddress=12:34:56:78:9a:01\n[IPv6AcceptRA]\nRouteMetric=100:200:300\n')
networkctl_reload()
self.wait_online('client:routable')
self.wait_address('client', '2002:da8:1:99:1034:56ff:fe78:9a01/64', ipv='-6', timeout_sec=10)
self.wait_address('client', '2002:da8:1:98:1034:56ff:fe78:9a01/64', ipv='-6', timeout_sec=10)
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 100', ipv='-6', timeout_sec=10)
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 300', ipv='-6', timeout_sec=10)
print('### ip -6 route show dev client default')
output = check_output('ip -6 route show dev client default')
print(output)
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 100 expires [0-9]*sec pref high')
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 300 expires [0-9]*sec pref low')
self.assertNotIn('metric 512', output)
self.assertNotIn('metric 2048', output)
self.check_router_preference('01', 100, 'high', 300, 'low')
# 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')
with open(os.path.join(network_unit_dir, '25-veth-router-high.network'), mode='a', encoding='utf-8') as f:
f.write('\n[IPv6SendRA]\nRouterPreference=low\n')
with open(os.path.join(network_unit_dir, '25-veth-router-low.network'), mode='a', encoding='utf-8') as f:
f.write('\n[IPv6SendRA]\nRouterPreference=high\n')
networkctl_reload()
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 300', ipv='-6', timeout_sec=10)
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 100', ipv='-6', timeout_sec=10)
print('### ip -6 route show dev client default')
output = check_output('ip -6 route show dev client default')
print(output)
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 300 expires [0-9]*sec pref low')
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 100 expires [0-9]*sec pref high')
self.assertNotRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 100')
self.assertNotRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 300')
self.assertNotIn('metric 512', output)
self.assertNotIn('metric 2048', output)
self.check_router_preference('01', 300, 'low', 100, 'high')
# Use the same preference, and check if the two routes are not coalesced. See issue #33470.
with open(os.path.join(network_unit_dir, '25-veth-router-high2.network'), mode='a', encoding='utf-8') as f:
with open(os.path.join(network_unit_dir, '25-veth-router-high.network'), mode='a', encoding='utf-8') as f:
f.write('\n[IPv6SendRA]\nRouterPreference=medium\n')
with open(os.path.join(network_unit_dir, '25-veth-router-low2.network'), mode='a', encoding='utf-8') as f:
with open(os.path.join(network_unit_dir, '25-veth-router-low.network'), mode='a', encoding='utf-8') as f:
f.write('\n[IPv6SendRA]\nRouterPreference=medium\n')
networkctl_reload()
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 200', ipv='-6', timeout_sec=10)
self.wait_route('client', r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 200', ipv='-6', timeout_sec=10)
print('### ip -6 route show dev client default')
output = check_output('ip -6 route show dev client default')
print(output)
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a99 proto ra metric 200 expires [0-9]*sec pref medium')
self.assertRegex(output, r'default nhid [0-9]* via fe80::1034:56ff:fe78:9a98 proto ra metric 200 expires [0-9]*sec pref medium')
self.assertNotIn('pref high', output)
self.assertNotIn('pref low', output)
self.assertNotIn('metric 512', output)
self.assertNotIn('metric 2048', output)
self.check_router_preference('01', 200, 'medium', 200, 'medium')
def _test_ndisc_vs_static_route(self, manage_foreign_nexthops):
if not manage_foreign_nexthops: