Ribbon-2通过代码自定义配置ribbon

我们看怎么去定制Ribbon Client他的配置https://cloud.spring.io/spring-cloud-netflix/multi/multi_spring-cloud-ribbon.html6.2 Customizing the Ribbon Client@RibbonClient(name = "microservice-simple-provider-user", configuration = TestConfiguration.class)spring.application.name=microservice-simple-provider-user这个一定要是注册的名称,这个有一个警告The CustomConfiguration clas must be a @Configuration class, but take care that it is not in a @ComponentScan for the main application context. Otherwise, it is shared by all the @RibbonClients. If you use @ComponentScan (or @SpringBootApplication), you need to take steps to avoid it being included (for instance, you can put it in a separate, non-overlapping package or specify the packages to scan explicitly in the @ComponentScan)./*** A custom <code>@Configuration</code> for the ribbon client. Can contain override* <code>@Bean</code> definition for the pieces that make up the client, for instance* {@link ILoadBalancer}, {@link ServerListFilter}, {@link IRule}.** @see RibbonClientConfiguration for the defaults*/
Class<?>[] configuration() default {};@Bean
@ConditionalOnMissingBean
public IRule ribbonRule(IClientConfig config) {if (this.propertiesFactory.isSet(IRule.class, name)) {return this.propertiesFactory.get(IRule.class, config, name);}ZoneAvoidanceRule rule = new ZoneAvoidanceRule();rule.initWithNiwsConfig(config);return rule;
}@RibbonClient(name = "microservice-simple-provider-user", configuration = TestConfiguration.class)
public class TestConfiguration {//  @Autowired//  IClientConfig config;@Beanpublic IRule ribbonRule() {return new RandomRule();}}这样指定的就是随机的规则了localhost:8010/test

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.learn</groupId><artifactId>microservice-simple-consumer-movie</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>microservice-simple-consumer-movie</name><description>Demo project for Spring Boot</description><parent><groupId>cn.learn</groupId><artifactId>microcloud02</artifactId><version>0.0.1</version></parent><dependencyManagement><dependencies><dependency>    <!-- 进行SpringCloud依赖包的导入处理 --><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-dependencies</artifactId><version>Dalston.SR1</version><type>pom</type><scope>import</scope></dependency><dependency>    <!-- SpringCloud离不开SpringBoot，所以必须要配置此依赖包 --><groupId>org.springframework.boot</groupId><artifactId>spring-boot-dependencies</artifactId><version>1.5.12.RELEASE</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-eureka</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>

#debug=true
server.port=8010eureka.client.serviceUrl.defaultZone=http://admin:1234@10.40.8.152:8761/eurekaspring.application.name=microservice-simple-consumer-movie-ribbon
eureka.instance.prefer-ip-address=true
eureka.instance.instance-id=${spring.application.name}:${spring.cloud.client.ipAddress}:${spring.application.instance_id:${server.port}}
eureka.client.healthcheck.enabled=true
spring.redis.host=10.40.8.152
spring.redis.password=1234
spring.redis.port=6379

package com.learn.cloud;import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;import com.netflix.loadbalancer.IRule;
import com.netflix.loadbalancer.RandomRule;@Configuration
@ExcludeFromComponentScan
public class TestConfiguration {//  @Autowired//  IClientConfig config;@Beanpublic IRule ribbonRule() {return new RandomRule();}}

package com.learn.cloud;public @interface ExcludeFromComponentScan {}

package com.learn.cloud;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.ribbon.RibbonClient;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.FilterType;
import org.springframework.web.client.RestTemplate;@EnableEurekaClient
@SpringBootApplication
@RibbonClient(name = "microservice-simple-provider-user", configuration = TestConfiguration.class)
@ComponentScan(excludeFilters = { @ComponentScan.Filter(type = FilterType.ANNOTATION, value = ExcludeFromComponentScan.class) })
public class MicroserviceSimpleConsumerMovieApplication {@Bean@LoadBalancedpublic RestTemplate restTemplate() {return new RestTemplate();}public static void main(String[] args) {SpringApplication.run(MicroserviceSimpleConsumerMovieApplication.class, args);}
}

package com.learn.cloud.controller;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;import com.learn.cloud.entity.User;@RestController
public class MovieController {@Autowiredprivate RestTemplate restTemplate;@Autowiredprivate LoadBalancerClient loadBalancerClient;@GetMapping("/movie/{id}")public User findById(@PathVariable Long id) {// http://localhost:7900/simple/// VIP virtual IP// HAProxy Heartbeatreturn this.restTemplate.getForObject("http://microservice-simple-provider-user/simple/" + id, User.class);}@GetMapping("/test")public String test() {ServiceInstance serviceInstance = this.loadBalancerClient.choose("microservice-simple-provider-user");System.out.println("111" + ":" + serviceInstance.getServiceId() + ":" + serviceInstance.getHost() + ":" + serviceInstance.getPort());//    ServiceInstance serviceInstance2 = this.loadBalancerClient.choose("microservice-simple-provider-user2");
//    System.out.println("222" + ":" + serviceInstance2.getServiceId() + ":" + serviceInstance2.getHost() + ":" + serviceInstance2.getPort());return "1";}}

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