def test_ensure_bridge_priv_mtu_order(self, mock_dev_exists, mock_routes,
mock_disable_ipv6, mock_set_mtu,
mock_arp_filtering, mock_ip_set,
mock_add):
"""This test validates that when adding an interface
to a bridge, the interface mtu is updated first
followed by the bridge. This is required to work around
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1399064
"""
mock_dev_exists.side_effect = [False, True]
linux_net._ensure_bridge_privileged("fake-bridge",
"fake-interface",
None,
False,
mtu=1500)
calls = [
mock.call('fake-interface', 1500),
mock.call('fake-bridge', 1500)
]
mock_set_mtu.assert_has_calls(calls)
calls = [
mock.call('fake-bridge', state='up'),
mock.call('fake-interface',
master='fake-bridge',
state='up',
check_exit_code=[0, 2, 254])
]
mock_ip_set.assert_has_calls(calls)
def test_ensure_bridge_mtu_not_called(self, mock_dev_exists, mock_exec,
mock_path_exists, mock_set_mtu):
"""This test validates that mtus are updated only if an interface
is added to the bridge
"""
linux_net._ensure_bridge_privileged("fake-bridge", None,
None, False, mtu=1500)
mock_set_mtu.assert_not_called()
def test_ensure_bridge_mtu_order(self, mock_dev_exists, mock_exec,
mock_path_exists, mock_set_mtu):
"""This test validates that when adding an interface
to a bridge, the interface mtu is updated first
followed by the bridge. This is required to work around
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1399064
"""
linux_net._ensure_bridge_privileged("fake-bridge", "fake-interface",
None, False, mtu=1500)
calls = [mock.call('fake-interface', 1500),
mock.call('fake-bridge', 1500)]
mock_set_mtu.assert_has_calls(calls)
def test_ensure_bridge_priv_mtu_not_called(self, mock_dev_exists,
mock_routes, mock_disable_ipv6,
mock_set_mtu,
mock_arp_filtering, mock_ip_set,
mock_add):
"""This test validates that mtus are updated only if an interface
is added to the bridge
"""
mock_dev_exists.return_value = False
linux_net._ensure_bridge_privileged("fake-bridge",
None,
None,
False,
mtu=1500)
mock_set_mtu.assert_not_called()
mock_ip_set.assert_called_once_with('fake-bridge', state='up')