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test-network: add testcase for router preference

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This commit is contained in:
Yu Watanabe 2022-10-28 14:38:23 +09:00
parent 6f812d2899
commit bb80f633bf
8 changed files with 140 additions and 0 deletions
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10
test/test-network/conf/25-veth-bridge.network Normal file
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@ -0,0 +1,10 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=client-p
Name=router-high-p
Name=router-low-p
[Network]
Bridge=bridge99
IPv6AcceptRA=no
IPv6SendRA=yes

9
test/test-network/conf/25-veth-client.netdev Normal file
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@ -0,0 +1,9 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[NetDev]
Name=client
Kind=veth
MACAddress=12:34:56:78:9a:00
[Peer]
Name=client-p
MACAddress=12:34:56:78:9b:00

10
test/test-network/conf/25-veth-client.network Normal file
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@ -0,0 +1,10 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=client
[Network]
IPv6AcceptRA=yes
[IPv6AcceptRA]
UseDNS=no
UseDomains=no

9
test/test-network/conf/25-veth-router-high.netdev Normal file
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@ -0,0 +1,9 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[NetDev]
Name=router-high
Kind=veth
MACAddress=12:34:56:78:9a:99
[Peer]
Name=router-high-p
MACAddress=12:34:56:78:9b:99

17
test/test-network/conf/25-veth-router-high.network Normal file
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@ -0,0 +1,17 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=router-high
[Network]
IPv6AcceptRA=no
IPv6SendRA=yes
[IPv6SendRA]
RouterPreference=high
EmitDNS=no
EmitDomains=no
[IPv6Prefix]
Prefix=2002:da8:1:99::/64
PreferredLifetimeSec=1000s
ValidLifetimeSec=2100s

9
test/test-network/conf/25-veth-router-low.netdev Normal file
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@ -0,0 +1,9 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[NetDev]
Name=router-low
Kind=veth
MACAddress=12:34:56:78:9a:98
[Peer]
Name=router-low-p
MACAddress=12:34:56:78:9b:98

17
test/test-network/conf/25-veth-router-low.network Normal file
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@ -0,0 +1,17 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
[Match]
Name=router-low
[Network]
IPv6AcceptRA=no
IPv6SendRA=yes
[IPv6SendRA]
RouterPreference=low
EmitDNS=no
EmitDomains=no
[IPv6Prefix]
Prefix=2002:da8:1:98::/64
PreferredLifetimeSec=1000s
ValidLifetimeSec=2100s

59
test/test-network/systemd-networkd-tests.py
View file

@ -889,6 +889,16 @@ class Utilities():
self.assertNotRegex(output, address_regex)
def wait_route(self, link, route_regex, table='main', ipv='', timeout_sec=100):
for i in range(timeout_sec):
if i > 0:
time.sleep(1)
output = check_output(f'ip {ipv} route show dev {link} table {table}')
if re.search(route_regex, output):
break
self.assertRegex(output, route_regex)
def check_netlabel(self, interface, address, label='system_u:object_r:root_t:s0'):
if not shutil.which('selinuxenabled'):
print(f'## Checking NetLabel skipped: selinuxenabled command not found.')
@ -4316,6 +4326,55 @@ class NetworkdRATests(unittest.TestCase, Utilities):
self.assertIn('2002:da8:1:0:b47e:7975:fc7a:7d6e', output)
self.assertIn('2002:da8:2:0:f689:561a:8eda:7443', output)
def test_router_preference(self):
copy_network_unit('25-veth-client.netdev',
'25-veth-router-high.netdev',
'25-veth-router-low.netdev',
'26-bridge.netdev',
'25-veth-bridge.network',
'25-veth-client.network',
'25-veth-router-high.network',
'25-veth-router-low.network',
'25-bridge99.network')
start_networkd()
self.wait_online(['client-p:enslaved',
'router-high:degraded', 'router-high-p:enslaved',
'router-low:degraded', 'router-low-p:enslaved',
'bridge99:routable'])
networkctl_reconfigure('client')
self.wait_online(['client:routable'])
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', 'default via fe80::1034:56ff:fe78:9a99 proto ra metric 512', ipv='-6', timeout_sec=10)
self.wait_route('client', 'default via fe80::1034:56ff:fe78:9a98 proto ra metric 2048', 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('pref high', output)
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a98')
print(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:
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', 'default via fe80::1034:56ff:fe78:9a99 proto ra metric 100', ipv='-6', timeout_sec=10)
self.wait_route('client', 'default via fe80::1034:56ff:fe78:9a98 proto ra metric 300', 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('pref high', output)
output = check_output('ip -6 route show dev client default via fe80::1034:56ff:fe78:9a98')
print(output)
self.assertIn('pref low', output)
class NetworkdDHCPServerTests(unittest.TestCase, Utilities):
def setUp(self):