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How to use extend_volume method in tempest

Best Python code snippet using tempest_python

test_volumes_extend.py

Source:test_volumes_extend.py

...28        """Test extend a volume"""29        # Extend Volume Test.30        volume = self.create_volume(imageRef=self.image_ref)31        extend_size = volume['size'] * 232        self.volumes_client.extend_volume(volume['id'],33                                          new_size=extend_size)34        waiters.wait_for_volume_resource_status(self.volumes_client,35                                                volume['id'], 'available')36        volume = self.volumes_client.show_volume(volume['id'])['volume']37        self.assertEqual(volume['size'], extend_size)38    @decorators.idempotent_id('86be1cba-2640-11e5-9c82-635fb964c912')39    @testtools.skipUnless(CONF.volume_feature_enabled.snapshot,40                          "Cinder volume snapshots are disabled")41    def test_volume_extend_when_volume_has_snapshot(self):42        """Test extending a volume which has a snapshot"""43        volume = self.create_volume()44        self.create_snapshot(volume['id'])45        extend_size = volume['size'] * 246        self.volumes_client.extend_volume(volume['id'], new_size=extend_size)47        waiters.wait_for_volume_resource_status(self.volumes_client,48                                                volume['id'], 'available')49        resized_volume = self.volumes_client.show_volume(50            volume['id'])['volume']51        self.assertEqual(extend_size, resized_volume['size'])52class VolumesExtendAttachedTest(base.BaseVolumeTest):53    """Tests extending the size of an attached volume."""54    create_default_network = True55    # We need admin credentials for getting instance action event details. By56    # default a non-admin can list and show instance actions if they own the57    # server instance, but since the event details can contain error messages58    # and tracebacks, like an instance fault, those are not viewable by59    # non-admins. This is obviously not a great user experience since the user60    # may not know when the operation is actually complete. A microversion in61    # the compute API will be added so that non-admins can see instance action62    # events but will continue to hide the traceback field.63    # TODO(mriedem): Change this to not rely on the admin user to get the event64    # details once that microversion is available in Nova.65    credentials = ['primary', 'admin']66    _api_version = 367    # NOTE(mriedem): The minimum required volume API version is 3.42 and the68    # minimum required compute API microversion is 2.51, but the compute call69    # is implicit - Cinder calls Nova at that microversion, Tempest does not.70    min_microversion = '3.42'71    def _find_extend_volume_instance_action(self, server_id):72        actions = self.servers_client.list_instance_actions(73            server_id)['instanceActions']74        for action in actions:75            if action['action'] == 'extend_volume':76                return action77    def _find_extend_volume_instance_action_finish_event(self, action):78        # This has to be called by an admin client otherwise79        # the events don't show up.80        action = self.os_admin.servers_client.show_instance_action(81            action['instance_uuid'], action['request_id'])['instanceAction']82        for event in action['events']:83            if (event['event'] == 'compute_extend_volume' and84                    event['finish_time']):85                return event86    @decorators.idempotent_id('301f5a30-1c6f-4ea0-be1a-91fd28d44354')87    @testtools.skipUnless(CONF.volume_feature_enabled.extend_attached_volume,88                          "Attached volume extend is disabled.")89    @utils.services('compute')90    def test_extend_attached_volume(self):91        """This is a happy path test which does the following:92        * Create a volume at the configured volume_size.93        * Create a server instance.94        * Attach the volume to the server.95        * Wait for the volume status to be "in-use".96        * Extend the size of the volume and wait for the volume status to go97          back to "in-use".98        * Assert the volume size change is reflected in the volume API.99        * Wait for the "compute_extend_volume" instance action event to show100          up in the compute API with the success or failure status. We fail101          if we timeout waiting for the instance action event to show up, or102          if the action on the server fails.103        """104        # Create a test volume. Will be automatically cleaned up on teardown.105        volume = self.create_volume()106        # Create a test server. Will be automatically cleaned up on teardown.107        server = self.create_server()108        # Attach the volume to the server and wait for the volume status to be109        # "in-use".110        self.attach_volume(server['id'], volume['id'])111        # Extend the size of the volume. If this is successful, the volume API112        # will change the status on the volume to "extending" before doing an113        # RPC cast to the volume manager on the backend. Note that we multiply114        # the size of the volume since certain Cinder backends, e.g. ScaleIO,115        # require multiples of 8GB.116        extend_size = volume['size'] * 2117        self.volumes_client.extend_volume(volume['id'], new_size=extend_size)118        # The volume status should go back to in-use since it is still attached119        # to the server instance.120        waiters.wait_for_volume_resource_status(self.volumes_client,121                                                volume['id'], 'in-use')122        # Assert that the volume size has changed in the volume API.123        volume = self.volumes_client.show_volume(volume['id'])['volume']124        self.assertEqual(extend_size, volume['size'])125        # Now we wait for the "compute_extend_volume" instance action event126        # to show up for the server instance. This is our indication that the127        # asynchronous operation is complete on the compute side.128        start_time = int(time.time())129        timeout = self.servers_client.build_timeout130        action = self._find_extend_volume_instance_action(server['id'])131        while action is None and int(time.time()) - start_time < timeout:...

vds_storage_manager.py

Source:vds_storage_manager.py

...49                    if volume_idx not in volume_indexes:50                        extend_volume = False5152                if extend_volume:53                    self._extend_volume(pack, volume, volume_prop)54            finally:55                ole32.CoTaskMemFree(volume_prop.pwszName)5657    def _get_volume_index(self, volume_name):58        m = re.match(r"[^0-9]+([0-9]+)$", volume_name)59        if m:60            return int(m.group(1))6162    def _extend_volume(self, pack, volume, volume_prop):63        volume_extents = self._get_volume_extents_to_resize(pack,64                                                            volume_prop.id)65        input_disks = []6667        for (volume_extent, volume_extend_size) in volume_extents:68            input_disk = vds.VDS_INPUT_DISK()69            input_disks.append(input_disk)7071            input_disk.diskId = volume_extent.diskId72            input_disk.memberIdx = volume_extent.memberIdx73            input_disk.plexId = volume_extent.plexId74            input_disk.ullSize = volume_extend_size7576        if input_disks:
...

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