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How to use _find_extend_volume_instance_action_finish_event method in tempest

Best Python code snippet using tempest_python

test_volumes_extend.py

Source:test_volumes_extend.py

...69            server_id)['instanceActions']70        for action in actions:71            if action['action'] == 'extend_volume':72                return action73    def _find_extend_volume_instance_action_finish_event(self, action):74        # This has to be called by an admin client otherwise75        # the events don't show up.76        action = self.os_admin.servers_client.show_instance_action(77            action['instance_uuid'], action['request_id'])['instanceAction']78        for event in action['events']:79            if (event['event'] == 'compute_extend_volume' and80                    event['finish_time']):81                return event82    @decorators.idempotent_id('301f5a30-1c6f-4ea0-be1a-91fd28d44354')83    @testtools.skipUnless(CONF.volume_feature_enabled.extend_attached_volume,84                          "Attached volume extend is disabled.")85    @utils.services('compute')86    def test_extend_attached_volume(self):87        """This is a happy path test which does the following:88        * Create a volume at the configured volume_size.89        * Create a server instance.90        * Attach the volume to the server.91        * Wait for the volume status to be "in-use".92        * Extend the size of the volume and wait for the volume status to go93          back to "in-use".94        * Assert the volume size change is reflected in the volume API.95        * Wait for the "compute_extend_volume" instance action event to show96          up in the compute API with the success or failure status. We fail97          if we timeout waiting for the instance action event to show up, or98          if the action on the server fails.99        """100        # Create a test volume. Will be automatically cleaned up on teardown.101        volume = self.create_volume()102        # Create a test server. Will be automatically cleaned up on teardown.103        server = self.create_server()104        # Attach the volume to the server and wait for the volume status to be105        # "in-use".106        self.attach_volume(server['id'], volume['id'])107        # Extend the size of the volume. If this is successful, the volume API108        # will change the status on the volume to "extending" before doing an109        # RPC cast to the volume manager on the backend. Note that we multiply110        # the size of the volume since certain Cinder backends, e.g. ScaleIO,111        # require multiples of 8GB.112        extend_size = volume['size'] * 2113        self.volumes_client.extend_volume(volume['id'], new_size=extend_size)114        # The volume status should go back to in-use since it is still attached115        # to the server instance.116        waiters.wait_for_volume_resource_status(self.volumes_client,117                                                volume['id'], 'in-use')118        # Assert that the volume size has changed in the volume API.119        volume = self.volumes_client.show_volume(volume['id'])['volume']120        self.assertEqual(extend_size, volume['size'])121        # Now we wait for the "compute_extend_volume" instance action event122        # to show up for the server instance. This is our indication that the123        # asynchronous operation is complete on the compute side.124        start_time = int(time.time())125        timeout = self.servers_client.build_timeout126        action = self._find_extend_volume_instance_action(server['id'])127        while action is None and int(time.time()) - start_time < timeout:128            time.sleep(self.servers_client.build_interval)129            action = self._find_extend_volume_instance_action(server['id'])130        if action is None:131            msg = ("Timed out waiting to get 'extend_volume' instance action "132                   "record for server %(server)s after %(timeout)s seconds." %133                   {'server': server['id'], 'timeout': timeout})134            raise lib_exc.TimeoutException(msg)135        # Now that we found the extend_volume instance action, we can wait for136        # the compute_extend_volume instance action event to show up to137        # indicate the operation is complete.138        start_time = int(time.time())139        event = self._find_extend_volume_instance_action_finish_event(action)140        while event is None and int(time.time()) - start_time < timeout:141            time.sleep(self.servers_client.build_interval)142            event = self._find_extend_volume_instance_action_finish_event(143                action)144        if event is None:145            msg = ("Timed out waiting to get 'compute_extend_volume' instance "146                   "action event record for server %(server)s and request "147                   "%(request_id)s after %(timeout)s seconds." %148                   {'server': server['id'],149                    'request_id': action['request_id'],150                    'timeout': timeout})151            raise lib_exc.TimeoutException(msg)152        # Finally, assert that the action completed successfully.153        self.assertTrue(154            event['result'].lower() == 'success',155            "Unexpected compute_extend_volume result '%(result)s' for request "156            "%(request_id)s." %...

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