diff options
Diffstat (limited to 'nova/tests/unit/virt/libvirt/test_driver.py')
| -rw-r--r-- | nova/tests/unit/virt/libvirt/test_driver.py | 111 |
1 files changed, 72 insertions, 39 deletions
diff --git a/nova/tests/unit/virt/libvirt/test_driver.py b/nova/tests/unit/virt/libvirt/test_driver.py index 2b58c7df8b..774498b69f 100644 --- a/nova/tests/unit/virt/libvirt/test_driver.py +++ b/nova/tests/unit/virt/libvirt/test_driver.py @@ -740,6 +740,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, imagebackend.Image._get_driver_format) self.libvirt = self.useFixture(nova_fixtures.LibvirtFixture()) + self.cgroups = self.useFixture(nova_fixtures.CGroupsFixture()) # ensure tests perform the same on all host architectures; this is # already done by the fakelibvirt fixture but we want to change the @@ -3093,9 +3094,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, 'fake-flavor', 'fake-image-meta').obj_to_primitive()) @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_numa_host_instance_fits(self, is_able): + def test_get_guest_config_numa_host_instance_fits(self): self.flags(cpu_shared_set=None, cpu_dedicated_set=None, group='compute') instance_ref = objects.Instance(**self.test_instance) @@ -3133,9 +3132,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) @mock.patch('nova.privsep.utils.supports_direct_io', new=mock.Mock(return_value=True)) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_numa_host_instance_no_fit(self, is_able): + def test_get_guest_config_numa_host_instance_no_fit(self): instance_ref = objects.Instance(**self.test_instance) image_meta = objects.ImageMeta.from_dict(self.test_image_meta) flavor = objects.Flavor(memory_mb=4096, vcpus=4, root_gb=496, @@ -3563,10 +3560,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, host_topology, inst_topology, numa_tune) @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_numa_host_instance_pci_no_numa_info( - self, is_able): + def test_get_guest_config_numa_host_instance_pci_no_numa_info(self): self.flags(cpu_shared_set='3', cpu_dedicated_set=None, group='compute') @@ -3620,10 +3614,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) @mock.patch('nova.privsep.utils.supports_direct_io', new=mock.Mock(return_value=True)) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_numa_host_instance_2pci_no_fit( - self, is_able): + def test_get_guest_config_numa_host_instance_2pci_no_fit(self): self.flags(cpu_shared_set='3', cpu_dedicated_set=None, group='compute') instance_ref = objects.Instance(**self.test_instance) @@ -3740,10 +3731,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, None) @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_numa_host_instance_fit_w_cpu_pinset( - self, is_able): + def test_get_guest_config_numa_host_instance_fit_w_cpu_pinset(self): self.flags(cpu_shared_set='2-3', cpu_dedicated_set=None, group='compute') @@ -3782,10 +3770,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, self.assertIsNone(cfg.cpu.numa) @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_non_numa_host_instance_topo( - self, is_able): + def test_get_guest_config_non_numa_host_instance_topo(self): instance_topology = objects.InstanceNUMATopology(cells=[ objects.InstanceNUMACell( id=0, cpuset=set([0]), pcpuset=set(), memory=1024), @@ -3833,10 +3818,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, numa_cfg_cell.memory) @mock.patch.object(host.Host, "_check_machine_type", new=mock.Mock()) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_numa_host_instance_topo( - self, is_able): + def test_get_guest_config_numa_host_instance_topo(self): self.flags(cpu_shared_set='0-5', cpu_dedicated_set=None, group='compute') @@ -7310,9 +7292,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, [], image_meta, disk_info) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_with_cpu_quota(self, is_able): + def test_get_guest_config_with_cpu_quota(self): self.flags(virt_type='kvm', group='libvirt') drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) @@ -7648,9 +7628,7 @@ class LibvirtConnTestCase(test.NoDBTestCase, self.flags(images_type='rbd', group='libvirt') self._test_get_guest_config_disk_cachemodes('rbd') - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=True) - def test_get_guest_config_with_bogus_cpu_quota(self, is_able): + def test_get_guest_config_with_bogus_cpu_quota(self): self.flags(virt_type='kvm', group='libvirt') drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) @@ -7668,9 +7646,10 @@ class LibvirtConnTestCase(test.NoDBTestCase, drvr._get_guest_config, instance_ref, [], image_meta, disk_info) - @mock.patch.object( - host.Host, "is_cpu_control_policy_capable", return_value=False) - def test_get_update_guest_cputune(self, is_able): + def test_get_update_guest_cputune(self): + # No CPU controller on the host + self.cgroups.version = 0 + drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), True) instance_ref = objects.Instance(**self.test_instance) instance_ref.flavor.extra_specs = {'quota:cpu_shares': '10000', @@ -9743,7 +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') @@ -10117,7 +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) @@ -20495,16 +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, @@ -22348,6 +22380,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin): self.flags(sysinfo_serial="none", group="libvirt") self.flags(instances_path=self.useFixture(fixtures.TempDir()).path) self.useFixture(nova_fixtures.LibvirtFixture()) + self.useFixture(nova_fixtures.CGroupsFixture()) os_vif.initialize() self.drvr = libvirt_driver.LibvirtDriver( |