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networkd: add test to ensure that untracked addresses are kept

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Users can alter the network configuration manually, but networkd should
not interfere with manually set addresses and routes.
This commit is contained in:
Matteo Croce
2025-05-19 05:46:50 +02:00
committed by Daan De Meyer
parent 1fda0f4cae
commit 6479204e56
1 changed files with 25 additions and 0 deletions
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25
test/test-network/systemd-networkd-tests.py
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@@ -5063,6 +5063,31 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
print('### ip monitor dev dummy98 END')
def test_keep_untracked_addresses(self):
# Add an unmanaged interface with an up address
copy_network_unit('12-dummy.netdev', '85-static-ipv6.network')
start_networkd()
self.wait_online('dummy98:routable')
print('### ip -4 addr add 10.234.77.111/32 dev dummy98')
output = check_output('ip -4 addr add 10.234.77.111/32 dev dummy98')
print(output)
print('### ip -6 addr add 2222:3333::4444/64 dev dummy98')
output = check_output('ip -6 addr add 2222:3333::4444/64 dev dummy98')
print(output)
restart_networkd()
output = check_output('ip -4 addr show dev dummy98')
print(output)
self.assertRegex(output, 'inet 10\.234\.77\.111/32.*dummy98')
output = check_output('ip -6 addr show dev dummy98')
print(output)
self.assertRegex(output, 'inet6 2222:3333::4444/64 scope global')
def check_nexthop(self, manage_foreign_nexthops, first):
self.wait_online('veth99:routable', 'veth-peer:routable', 'dummy98:routable')