def push(self):
        self.seek(0)
        try:
            logger.info("uploading {} to s3://{}/{}".format(self.indexname,self.bucket,
                self.key))
            self.s3.upload_fileobj(self, self.bucket, self.key)
        except botocore.exceptions.ClientError as e:
            logger.error("ERROR: Failed to upload index: s3://{}/{}".format(self.bucket,
                self.key))
            logger.debug("Exception: %s", e, exc_info=True)
            sys.exit(4)