def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
def test_volume_upload(self):
        """Test uploading volume to create an image"""
        # NOTE(gfidente): the volume uploaded in Glance comes from setUpClass,
        # it is shared with the other tests. After it is uploaded in Glance,
        # there is no way to delete it from Cinder, so we delete it from Glance
        # using the Glance images_client and from Cinder via tearDownClass.
        image_name = data_utils.rand_name(self.__class__.__name__ + '-Image')
        body = self.volumes_client.upload_volume(
            self.volume['id'], image_name=image_name,
            disk_format=CONF.volume.disk_format)['os-volume_upload_image']
        image_id = body["image_id"]
        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                        self.images_client.delete_image,
                        image_id)
        waiters.wait_for_image_status(self.images_client, image_id, 'active')
        waiters.wait_for_volume_resource_status(self.volumes_client,
                                                self.volume['id'], 'available')

        image_info = self.images_client.show_image(image_id)
        self.assertEqual(image_name, image_info['name'])
        self.assertEqual(CONF.volume.disk_format, image_info['disk_format'])