'Return a list of available standard images (this call might take up
to 15 seconds to return).
@inherits: :class:`NodeDriver.list_images`'

def list_images(self, location=None):

    response = self.connection.request(action='/drives/standard/info').object
    images = []
    for value in response:
        if value.get('type'):
            if (value['type'] == 'disk'):
                image = NodeImage(id=value['drive'], name=value['name'], driver=self.connection.driver, extra={'size': value['size']})
                images.append(image)
    return images
