扩展ribbon-支持nacos权重负载均衡

左手的ㄟ右手 2023-07-04 06:29 8阅读 0赞

设置权重

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM5OTQwMjA1_size_16_color_FFFFFF_t_70][]

java配置

package com.java.sa.content.config;
    
    import com.alibaba.nacos.api.exception.NacosException;
    import com.alibaba.nacos.api.naming.pojo.Instance;
    import com.netflix.client.config.IClientConfig;
    import com.netflix.loadbalancer.AbstractLoadBalancerRule;
    import com.netflix.loadbalancer.BaseLoadBalancer;
    import com.netflix.loadbalancer.Server;
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.cloud.alibaba.nacos.NacosDiscoveryProperties;
    import org.springframework.cloud.alibaba.nacos.ribbon.NacosServer;
    
    /**
     * @author jiangli
     * @since 2020/2/9 11:30
     * 扩展ribbon-支持nacos权重负载均衡
     */
    @Slf4j
    public class NacosWeightedRule extends AbstractLoadBalancerRule {
    	@Autowired
    	private NacosDiscoveryProperties discoveryProperties;
    
    	@Override
    	public Server choose(Object key) {
    		BaseLoadBalancer loadBalancer = (BaseLoadBalancer) getLoadBalancer();
    		String name = loadBalancer.getName();
    		try {
    			Instance instance = discoveryProperties.namingServiceInstance().selectOneHealthyInstance(name);
    
    			// log.info("选中的instance = {}", instance);
    
    			// instance转server
    			return new NacosServer(instance);
    		} catch (NacosException e) {
    			log.error("发生异常", e);
    			return null;
    		}
    	}
    
    	@Override
    	public void initWithNiwsConfig(IClientConfig iClientConfig) {
    	}
    }

package com.java.sa.content.config;
    
    import com.netflix.loadbalancer.IRule;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    /**
     * @author jiangli
     * @since 2020/2/9 12:16
     */
    @Configuration
    public class RibbonConfig {
    
    	@Bean
    	public IRule ribbonRule() {
    		return new NacosWeightedRule();
    	}
    }

Hoxton就会有替代的实现

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