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How to use test_image_defined_boot_from_volume method in tempest

Best Python code snippet using tempest_python

test_volume_boot_pattern.py

Source:test_volume_boot_pattern.py

...174    @decorators.idempotent_id('36c34c67-7b54-4b59-b188-02a2f458a63b')175    @testtools.skipUnless(CONF.volume_feature_enabled.snapshot,176                          'Cinder volume snapshots are disabled')177    @utils.services('compute', 'volume', 'image')178    def test_image_defined_boot_from_volume(self):179        # create an instance from image-backed volume180        volume_origin = self._create_volume_from_image()181        name = data_utils.rand_name(self.__class__.__name__ +182                                    '-volume-backed-server')183        instance1 = self._boot_instance_from_resource(184            source_id=volume_origin['id'],185            source_type='volume',186            delete_on_termination=True,187            name=name)188        # Create a snapshot image from the volume-backed server.189        # The compute service will have the block service create a snapshot of190        # the root volume and store its metadata in the image.191        image = self.create_server_snapshot(instance1)192        # Create a server from the image snapshot which has an...

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