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# This file is part of cloud-init. See LICENSE file for license information.
from unittest import mock
from cloudinit import safeyaml
from cloudinit.net import network_state
class TestNetDns:
@mock.patch("cloudinit.net.network_state.get_interfaces_by_mac")
@mock.patch("cloudinit.net.get_interfaces_by_mac")
def test_system_mac_address_does_not_break_dns_parsing(
self, by_mac_state, by_mac_init
):
by_mac_state.return_value = {"00:11:22:33:44:55": "foobar"}
by_mac_init.return_value = {"00:11:22:33:44:55": "foobar"}
state = network_state.parse_net_config_data(
safeyaml.load(
"""\
version: 2
ethernets:
eth:
match:
macaddress: '00:11:22:33:44:55'
addresses: [10.0.0.2/24]
gateway4: 10.0.0.1
nameservers:
addresses: [10.0.0.3]
"""
)
)
assert "10.0.0.3" in state.dns_nameservers
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