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How to use _test_extend_attached_volume method in tempest

Best Python code snippet using tempest_python

test_volumes_extend.py

Source:test_volumes_extend.py

...81        for event in action['events']:82            if (event['event'] == 'compute_extend_volume' and83                    event['finish_time']):84                return event85    def _test_extend_attached_volume(self, volume):86        """This is a happy path test which does the following:87        * Create a server instance.88        * Attach the volume to the server.89        * Wait for the volume status to be "in-use".90        * Extend the size of the volume and wait for the volume status to go91          back to "in-use".92        * Assert the volume size change is reflected in the volume API.93        * Wait for the "compute_extend_volume" instance action event to show94          up in the compute API with the success or failure status. We fail95          if we timeout waiting for the instance action event to show up, or96          if the action on the server fails.97        """98        # Create a test server. Will be automatically cleaned up on teardown.99        server = self.create_server()100        # Attach the volume to the server and wait for the volume status to be101        # "in-use".102        self.attach_volume(server['id'], volume['id'])103        # Extend the size of the volume. If this is successful, the volume API104        # will change the status on the volume to "extending" before doing an105        # RPC cast to the volume manager on the backend. Note that we multiply106        # the size of the volume since certain Cinder backends, e.g. ScaleIO,107        # require multiples of 8GB.108        extend_size = volume['size'] * 2109        self.volumes_client.extend_volume(volume['id'], new_size=extend_size)110        # The volume status should go back to in-use since it is still attached111        # to the server instance.112        waiters.wait_for_volume_resource_status(self.volumes_client,113                                                volume['id'], 'in-use')114        # Assert that the volume size has changed in the volume API.115        volume = self.volumes_client.show_volume(volume['id'])['volume']116        self.assertEqual(extend_size, volume['size'])117        # Now we wait for the "compute_extend_volume" instance action event118        # to show up for the server instance. This is our indication that the119        # asynchronous operation is complete on the compute side.120        start_time = int(time.time())121        timeout = self.servers_client.build_timeout122        action = self._find_extend_volume_instance_action(server['id'])123        while action is None and int(time.time()) - start_time < timeout:124            time.sleep(self.servers_client.build_interval)125            action = self._find_extend_volume_instance_action(server['id'])126        if action is None:127            msg = ("Timed out waiting to get 'extend_volume' instance action "128                   "record for server %(server)s after %(timeout)s seconds." %129                   {'server': server['id'], 'timeout': timeout})130            raise lib_exc.TimeoutException(msg)131        # Now that we found the extend_volume instance action, we can wait for132        # the compute_extend_volume instance action event to show up to133        # indicate the operation is complete.134        start_time = int(time.time())135        event = self._find_extend_volume_instance_action_finish_event(action)136        while event is None and int(time.time()) - start_time < timeout:137            time.sleep(self.servers_client.build_interval)138            event = self._find_extend_volume_instance_action_finish_event(139                action)140        if event is None:141            msg = ("Timed out waiting to get 'compute_extend_volume' instance "142                   "action event record for server %(server)s and request "143                   "%(request_id)s after %(timeout)s seconds." %144                   {'server': server['id'],145                    'request_id': action['request_id'],146                    'timeout': timeout})147            raise lib_exc.TimeoutException(msg)148        # Finally, assert that the action completed successfully.149        self.assertTrue(150            event['result'].lower() == 'success',151            "Unexpected compute_extend_volume result '%(result)s' for request "152            "%(request_id)s." %153            {'result': event['result'],154             'request_id': action['request_id']})155class VolumesExtendAttachedTest(BaseVolumesExtendAttachedTest):156    @decorators.idempotent_id('301f5a30-1c6f-4ea0-be1a-91fd28d44354')157    @testtools.skipUnless(CONF.volume_feature_enabled.extend_attached_volume,158                          "Attached volume extend is disabled.")159    @utils.services('compute')160    def test_extend_attached_volume(self):161        volume = self.create_volume()...

test_encrypted_volumes_extend.py

Source:test_encrypted_volumes_extend.py

...26    @utils.services('compute')27    def test_extend_attached_encrypted_volume_luksv1(self):28        """LUKs v1 decrypts and extends through libvirt."""29        volume = self.create_encrypted_volume(encryption_provider="luks")30        self._test_extend_attached_volume(volume)31    @decorators.idempotent_id('381a2a3a-b2f4-4631-a910-720881f2cc2f')32    @testtools.skipUnless(33        CONF.volume_feature_enabled.extend_attached_encrypted_volume,34        "Attached encrypted volume extend is disabled.")35    @testtools.skipIf(CONF.volume.storage_protocol == 'ceph',36                      'Ceph only supports LUKSv2 if doing host attach.')37    @utils.services('compute')38    def test_extend_attached_encrypted_volume_luksv2(self):39        """LUKs v2 decrypts and extends through os-brick."""40        volume = self.create_encrypted_volume(encryption_provider="luks2")...

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