def test_unsupported_subsystem(self, mocks):
with pytest.raises(
Exception,
match='cannot handle events for subsystem: not_real'):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
subsystem='not_real',
udevaction='add')
def test_unsupported_udevaction(self, mocks):
with pytest.raises(ValueError, match='Unknown action: not_real'):
handle_hotplug(
hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='not_real',
subsystem='net'
)
def test_unsupported_udevaction(self, mocks):
with pytest.raises(ValueError, match="Unknown action: not_real"):
handle_hotplug(
hotplug_init=mocks.m_init,
devpath="/dev/fake",
udevaction="not_real",
subsystem="net",
)
def test_apply_failed_on_remove(self, mocks):
mocks.m_network_state.iter_interfaces.return_value = [{}]
mocks.m_activator.bring_down_interface.return_value = False
with pytest.raises(RuntimeError,
match='Failed to bring down device: /dev/fake'):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='remove',
subsystem='net')
def test_detect_hotplugged_device_not_detected_on_add(self, mocks):
mocks.m_network_state.iter_interfaces.return_value = [{}]
with pytest.raises(
RuntimeError,
match='Failed to detect {} in updated metadata'.format(
FAKE_MAC)):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='add',
subsystem='net')
def test_update_metadata_failed(self, mocks):
mocks.m_init.datasource.update_metadata_if_supported.return_value = \
False
with pytest.raises(
RuntimeError,
match='Datasource .* not updated for event hotplug'):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='remove',
subsystem='net')
def test_unsupported_subsystem(self, mocks):
with pytest.raises(
Exception,
match="cannot handle events for subsystem: not_real"):
handle_hotplug(
hotplug_init=mocks.m_init,
devpath="/dev/fake",
subsystem="not_real",
udevaction="add",
)
def test_retry(self, mocks):
with pytest.raises(RuntimeError):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='add',
subsystem='net')
assert mocks.m_sleep.call_count == 5
assert mocks.m_sleep.call_args_list == [
call(1), call(3), call(5),
call(10), call(30)
]
def test_detect_hotplugged_device_detected_on_remove(self, mocks):
mocks.m_network_state.iter_interfaces.return_value = [{
'mac_address':
FAKE_MAC,
}]
with pytest.raises(RuntimeError,
match='Failed to detect .* in updated metadata'):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='remove',
subsystem='net')
def test_apply_failed_on_add(self, mocks):
mocks.m_network_state.iter_interfaces.return_value = [{
'mac_address':
FAKE_MAC,
}]
mocks.m_activator.bring_up_interface.return_value = False
with pytest.raises(RuntimeError,
match='Failed to bring up device: /dev/fake'):
handle_hotplug(hotplug_init=mocks.m_init,
devpath='/dev/fake',
udevaction='add',
subsystem='net')
def test_successful_remove(self, mocks):
init = mocks.m_init
mocks.m_network_state.iter_interfaces.return_value = [{}]
handle_hotplug(hotplug_init=init,
devpath='/dev/fake',
udevaction='remove',
subsystem='net')
init.datasource.update_metadata_if_supported.assert_called_once_with(
[EventType.HOTPLUG])
mocks.m_activator.bring_down_interface.assert_called_once_with('fake')
mocks.m_activator.bring_up_interface.assert_not_called()
init._write_to_cache.assert_called_once_with()
def test_update_metadata_failed(self, mocks):
mocks.m_init.datasource.update_metadata_if_supported.return_value = (
False)
with pytest.raises(
RuntimeError,
match="Datasource .* not updated for event hotplug"):
handle_hotplug(
hotplug_init=mocks.m_init,
devpath="/dev/fake",
udevaction="remove",
subsystem="net",
)
def test_update_event_disabled(self, mocks, caplog):
init = mocks.m_init
with mock.patch('cloudinit.stages.update_event_enabled',
return_value=False):
handle_hotplug(hotplug_init=init,
devpath='/dev/fake',
udevaction='remove',
subsystem='net')
assert 'hotplug not enabled for event of type' in caplog.text
init.datasource.update_metadata_if_supported.assert_not_called()
mocks.m_activator.bring_up_interface.assert_not_called()
mocks.m_activator.bring_down_interface.assert_not_called()
init._write_to_cache.assert_not_called()
def test_succcessful_add(self, mocks):
init = mocks.m_init
mocks.m_network_state.iter_interfaces.return_value = [{
"mac_address":
FAKE_MAC,
}]
handle_hotplug(
hotplug_init=init,
devpath="/dev/fake",
udevaction="add",
subsystem="net",
)
init.datasource.update_metadata_if_supported.assert_called_once_with(
[EventType.HOTPLUG])
mocks.m_activator.bring_up_interface.assert_called_once_with("fake")
mocks.m_activator.bring_down_interface.assert_not_called()
init._write_to_cache.assert_called_once_with()
