'Lists all tags for a server.
For a full list of available parameters, please refer to the official
API reference:
https://developer.openstack.org/api-ref/compute/#list-tags'

def list_tags(self, server_id):

    url = ('servers/%s/tags' % server_id)
    (resp, body) = self.get(url)
    body = json.loads(body)
    schema = self.get_schema(self.schema_versions_info)
    self.validate_response(schema.list_tags, resp, body)
    return rest_client.ResponseBody(resp, body)
