diff options
Diffstat (limited to 'nova/tests/unit/virt/libvirt/test_driver.py')
| -rw-r--r-- | nova/tests/unit/virt/libvirt/test_driver.py | 61 |
1 files changed, 57 insertions, 4 deletions
diff --git a/nova/tests/unit/virt/libvirt/test_driver.py b/nova/tests/unit/virt/libvirt/test_driver.py index 66dbf795d8..774498b69f 100644 --- a/nova/tests/unit/virt/libvirt/test_driver.py +++ b/nova/tests/unit/virt/libvirt/test_driver.py @@ -9722,7 +9722,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, drvr._disconnect_volume( self.context, fake_connection_info, fake_instance_1) mock_volume_driver.disconnect_volume.assert_called_once_with( - fake_connection_info, fake_instance_1) + fake_connection_info, fake_instance_1, force=False) @mock.patch.object(libvirt_driver.LibvirtDriver, '_detach_encryptor') @mock.patch('nova.objects.InstanceList.get_uuids_by_host') @@ -10096,7 +10096,12 @@ class LibvirtConnTestCase(test.NoDBTestCase, device_name='vdc', ), mock.call.detach_encryptor(**encryption), - mock.call.disconnect_volume(connection_info, instance)]) + mock.call.disconnect_volume( + connection_info, + instance, + force=False, + ) + ]) get_device_conf_func = mock_detach_with_retry.mock_calls[0][1][2] self.assertEqual(mock_guest.get_disk, get_device_conf_func.func) self.assertEqual(('vdc',), get_device_conf_func.args) @@ -20474,16 +20479,64 @@ class LibvirtConnTestCase(test.NoDBTestCase, self.context, mock.sentinel.connection_info, instance, - destroy_secrets=False + destroy_secrets=False, + force=True ), mock.call( self.context, mock.sentinel.connection_info, instance, - destroy_secrets=True + destroy_secrets=True, + force=True ) ]) + @mock.patch('nova.virt.libvirt.driver.LibvirtDriver._get_volume_driver') + @mock.patch( + 'nova.virt.libvirt.driver.LibvirtDriver._should_disconnect_target', + new=mock.Mock(return_value=True)) + @mock.patch('nova.virt.libvirt.driver.LibvirtDriver._detach_encryptor', + new=mock.Mock()) + @mock.patch('nova.virt.libvirt.driver.LibvirtDriver._undefine_domain', + new=mock.Mock()) + @mock.patch('nova.virt.libvirt.driver.LibvirtDriver._get_vpmems', + new=mock.Mock(return_value=None)) + def test_cleanup_disconnect_volume(self, mock_vol_driver): + """Verify that we call disconnect_volume() with force=True + + cleanup() is called by destroy() when an instance is being deleted and + force=True should be passed down to os-brick's disconnect_volume() + call, which will ensure removal of devices regardless of errors. + + We need to ensure that devices are removed when an instance is being + deleted to avoid leaving leftover devices that could later be + erroneously connected by external entities (example: multipathd) to + instances that should not have access to the volumes. + + See https://bugs.launchpad.net/nova/+bug/2004555 for details. + """ + connection_info = mock.MagicMock() + block_device_info = { + 'block_device_mapping': [ + { + 'connection_info': connection_info + } + ] + } + instance = objects.Instance(self.context, **self.test_instance) + drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI()) + + drvr.cleanup( + self.context, + instance, + network_info={}, + block_device_info=block_device_info, + destroy_vifs=False, + destroy_disks=False, + ) + mock_vol_driver.return_value.disconnect_volume.assert_called_once_with( + connection_info, instance, force=True) + @mock.patch.object(libvirt_driver.LibvirtDriver, '_get_volume_encryption') @mock.patch.object(libvirt_driver.LibvirtDriver, '_allow_native_luksv1') def test_swap_volume_native_luks_blocked(self, mock_allow_native_luksv1, |