• HZero服务启用Sentinel监控功能

    开启后，Sentinel会自动记录请求次数、成功率等数据，帮助排查问题。

    网关服务hzero-gateway

    	<!-- 当前HZero所依赖Spring Cloud版本为2.0.6，对应Spring Cloud Alibaba版本为2.0.x -->
	<dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-alibaba-sentinel-gateway</artifactId>
        <version>2.0.1.RELEASE</version>
    </dependency>

    配置项说明

    # 控制台上不展示url资源
spring.cloud.sentinel.filter.enabled=false

    其他服务

    	<!-- 当前HZero所依赖Spring Cloud版本为2.0.6，对应Spring Cloud Alibaba版本为2.0.x -->
	<dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
        <version>2.0.1.RELEASE</version>
    </dependency>

    配置项说明

    feign.sentinel.enabled=true

    @Bean
@SentinelRestTemplate(blockHandler = "handleException", blockHandlerClass = ExceptionUtil.class)
public RestTemplate restTemplate() {
    return new RestTemplate();
}

public static class ExceptionUtil {
    public static ClientHttpResponse handleException(HttpRequest request, byte[] body, ClientHttpRequestExecution execution, BlockException exception) {
        ...
    }
}