@RequestMapping(value = "/broker/config", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
    public @ResponseBody String queryBrokerConfig(
            @RequestParam Map<String, String> queryBody) throws Exception {
        String url = masterService.getQueryUrl(queryBody);
        return masterService.queryMaster(url);
    }
query brokers' configuration
this method supports batch operation
inlong-tubemq/tubemq-manager/src/main/java/org/apache/inlong/tubemq/manager/controller/node/NodeController.java