zengkui opened a new issue, #1780:
URL: https://github.com/apache/incubator-brpc/issues/1780
**Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)**
client针对http server做健康检查，有时是依赖下游结点的一个标志文件，比如nginx里就经常会touch
status.html 作为心跳标志文件。 当用brpc来替换这个http服务的时候，好像健康检查只能是/health
为了迁移不影响上下游模块，这个访问路径希望能支持restful mapping
**Describe the solution you'd like (描述你期望的解决方法)**
1. 在server.cpp里添加一个gflag变量，获取restful mapping
2. 重载AddBuiltinService方法，支持传入option。 demo如下:
```cpp
if (!FLAGS_restful_mapping_health_check_path.empty()) {
LOG(INFO) << "health check path " <<
FLAGS_restful_mapping_health_check_path;
ServiceOptions options;
options.restful_mappings = FLAGS_restful_mapping_health_check_path;
// override AddBulitinService, add restfull mappings to options
if (AddBuiltinService(new (std::nothrow) HealthService, &options)) {
LOG(ERROR) << "Fail to add HealthService";
return -1;
}
} else if (AddBuiltinService(new (std::nothrow) HealthService)) {
LOG(ERROR) << "Fail to add HealthService";
return -1;
}
```
**Describe alternatives you've considered (描述你想到的折衷方案)**
**Additional context/screenshots (更多上下文/截图)**
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