Sentinel整合Gateway

yicj2023-09-17 16:32

pom引入依赖

text 复制代码

<dependency>
   <groupId>com.alibaba.cloud</groupId>
   <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>
<dependency>
   <groupId>com.alibaba.cloud</groupId>
   <artifactId>spring-cloud-alibaba-sentinel-gateway</artifactId>
</dependency>

添加配置

properties 复制代码

spring.cloud.sentinel.transport.dashboard=localhost:8858
spring.cloud.sentinel.transport.port=8749
spring.cloud.sentinel.filter.enabled=false

硬编码限流规则

java 复制代码

@Configuration
public class SentinelConfig {
    @PostConstruct
    public void init(){
        this.initCustomizeRule();
    }

    private void initCustomizeRule(){
        Set<GatewayFlowRule> list = new HashSet<>() ;
        GatewayFlowRule rule = new GatewayFlowRule("hello-nacos-client") ;
        rule.setResourceMode(SentinelGatewayConstants.RESOURCE_MODE_ROUTE_ID) ;
        // qps: 1
        rule.setGrade(1) ;
        rule.setCount(1) ;
        rule.setIntervalSec(1) ;
        rule.setControlBehavior(1) ;
        list.add(rule) ;
        GatewayRuleManager.loadRules(list) ;
    }
}

配置网关路由规则

properties 复制代码

spring.cloud.gateway.enabled=true
spring.cloud.gateway.discovery.locator.lower-case-service-id=true
spring.cloud.gateway.routes[0].id=hello-nacos-client
spring.cloud.gateway.routes[0].uri=lb://hello-nacos-client
spring.cloud.gateway.routes[0].predicates[0]=Path=/hello-nacos/**
 spring.cloud.gateway.routes[0].filters[0]=StripPrefix=1

浏览器访问：http://localhost:8080/hello-nacos/hello/index