SpringCloud Ribbon（四）之全局配置与服务配置

最新推荐文章于 2024-04-24 15:00:01 发布

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最新推荐文章于 2024-04-24 15:00:01 发布

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分类专栏： Spring Cloud

本文链接：https://blog.youkuaiyun.com/moakun/article/details/113807553

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本文详细介绍了如何通过全局配置@RibbonClients注解实现Ribbon的默认设置，并区分了单个服务的Ribbon配置，涵盖了负载均衡策略、负载均衡器、IPing、服务列表和过滤器的配置过程。

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一、Ribbon全局配置

@RibbonClients注解配置导入全局Ribbon客户端默认设置

public class GlobalRibbonConfig {

    //负载均衡策略
    @Bean
    public IRule rule() {
        return new MicroServiceLoadBalanceRule();
    }

    //负载均衡器
    @Bean
    public <E extends Server> ILoadBalancer loadBalancer(IClientConfig config, ServerList<E> serverList, ServerListFilter<E> serverListFilter, IRule rule, IPing ping, ServerListUpdater serverListUpdater) {

        return new MicroServiceLoadBalancer<>(config, rule, ping, serverList, serverListFilter, serverListUpdater);
    }

    //IPing
    @Bean
    public IPing iping() {
        return new DummyPing();
    }

    //服务列表
    @Bean
    public ServerList<NacosServer> serverList(NacosDiscoveryProperties properties) {
        return new NacosServerList(properties);
    }

    //服务列表过滤器
    @Bean
    public ServerListSubsetFilter serverListFilter() {
        ServerListSubsetFilter filter = new ServerListSubsetFilter();
        return filter;
    }

}

@RibbonClients(defaultConfiguration = GlobalRibbonConfig.class)
public class GlobalRibbonClientConfig {
    
}

二、单个服务Ribbon配置

@RibbonClient配置导入单个服务ribbon客户端配置

public class MicroRibbonConfig {

    @Bean
    public IPing iping() {

        return new DummyPing();
    }

    @Bean
    public <E extends Server> ILoadBalancer loadBalancer(IClientConfig config, ServerList<E> serverList, ServerListFilter<E> serverListFilter, IRule rule, IPing ping, ServerListUpdater serverListUpdater) {

        return new MicroServiceLoadBalancer<E>(config, rule, ping, serverList,
                serverListFilter, serverListUpdater);
    }

    @Bean
    public IRule rule() {

        return new MicroServiceLoadBalanceRule();
    }

    //服务列表
    @Bean
    public ServerList<NacosServer> serverList(NacosDiscoveryProperties properties) {
        return new NacosServerList(properties);
    }

    //服务列表过滤器
    @Bean
    public ServerListSubsetFilter serverListFilter() {
        ServerListSubsetFilter filter = new ServerListSubsetFilter();
        return filter;
    }
}


@RibbonClient(name = "micro-service", configuration = MicroRibbonConfig.class)
public class RibbonClientConfig {

}