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Spring Cloud中怎么实现zuul网关服务,针对这个问题,这篇文章详细介绍了相对应的分析和解答,希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
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工程创建 cloud-gateway-zuul。还是基于之前的工程 pom文件导入
spring-cloud-alibaba-basis com.xian.cloud 1.0-SNAPSHOT 4.0.0 cloud-gateway-zuul 网关服务zuul com.alibaba.cloud spring-cloud-starter-alibaba-nacos-discovery com.alibaba.cloud spring-cloud-alibaba-nacos-config org.springframework.cloud spring-cloud-starter-openfeign org.springframework.boot spring-boot-starter-test test org.springframework.cloud spring-cloud-starter-netflix-zuul
创建GatewayZuulApplication启动类
package com.xian.cloud; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; import org.springframework.cloud.netflix.zuul.EnableZuulProxy; import org.springframework.cloud.openfeign.EnableFeignClients; /** ** * @author xianliru@100tal.com * @version 1.0 * @createDate 2019/10/29 10:52 */ @EnableZuulProxy @EnableFeignClients @EnableDiscoveryClient @SpringBootApplication public class GatewayZuulApplication { public static void main(String[] args) { SpringApplication.run(GatewayZuulApplication.class,args); } }
创建 bootstrap.yml
spring: profiles: active: dev application: name: gateway-zuul-server cloud: nacos: config: server-addr: 47.99.209.72:8848 file-extension: yaml zuul: host: # 目标主机的最大连接数,默认值为200 max-total-connections: 1000 # 每个主机的初始连接数,默认值为20 max-per-route-connections: 200 routes: discovery-server: path: /server/** serviceId: cloud-discovery-server client-common: path: /client/** serviceId: cloud-discovery-client sensitiveHeaders: X-ABC,Authorization # 所有路由的默认Hystrix隔离模式(ExecutionIsolationStrategy)为SEMAPHORE。如果此隔离模式是首选,则zuul.ribbonIsolationStrategy可以更改为THREAD ribbon-isolation-strategy: thread # 这个属性意思,指定忽略的服务列表 * 代表忽略所有服务 ignored-services: '*' # 字段比较敏感,不希望传递给下游微服务。 设置空没有要忽略的敏感字段。全部传给下游服务 sensitive-headers: X-ABC ribbon: eager-load: # 强制加载,不设置会进行懒加载。spring 第一次请求会非常慢 enabled: true ``` #### 参数 - zuul.host.max-total-connections 目标主机的最大连接数。 - zuul.host.max-per-route-connections 每个主机的初始连接数。 这个俩个参数是zuul的优化后的属性值,如果想有适合的配置,还需要根据业务情况而定 因为我们有俩个业务服务 一个服务提供者 一个是服务消费者我们配置俩个服务的分别路由 discovery-server、client-common - path 是请求路径匹配规则 - serviceId 是我们服务的spring.application.name 对应的值。 - sensitiveHeaders 字段比较敏感,不希望传递给下游微服务。 设置空没有要忽略的敏感字段。全部传给下游服务这个字段可以是全局设置也可以是单个服务配置。 - ribbon-isolation-strategy 所有路由的默认Hystrix隔离模式(ExecutionIsolationStrategy)为SEMAPHORE。如果此隔离模式是首选,则zuul.ribbonIsolationStrategy可以更改为THREAD - ignored-services 忽略所有微服务,只路由指定的微服务。 - ribbon.eager-load.enabled true 强制加载 false 默认懒加载 true日志打印效果 false 将不打印这段日志 ``` 2019-10-29 23:47:11.377 INFO 61396 --- [ main] c.netflix.loadbalancer.BaseLoadBalancer : Client: cloud-discovery-server instantiated a LoadBalancer: DynamicServerListLoadBalancer:{NFLoadBalancer:name=cloud-discovery-server,current list of Servers=[],Load balancer stats=Zone stats: {},Server stats: []}ServerList:null 2019-10-29 23:47:11.382 INFO 61396 --- [ main] c.n.l.DynamicServerListLoadBalancer : Using serverListUpdater PollingServerListUpdater 2019-10-29 23:47:11.450 INFO 61396 --- [ main] c.netflix.config.ChainedDynamicProperty : Flipping property: cloud-discovery-server.ribbon.ActiveConnectionsLimit to use NEXT property: niws.loadbalancer.availabilityFilteringRule.activeConnectionsLimit = 2147483647 2019-10-29 23:47:11.452 INFO 61396 --- [ main] c.n.l.DynamicServerListLoadBalancer : DynamicServerListLoadBalancer for client cloud-discovery-server initialized: DynamicServerListLoadBalancer:{NFLoadBalancer:name=cloud-discovery-server,current list of Servers=[192.168.3.6:9012],Load balancer stats=Zone stats: {unknown=[Zone:unknown; Instance count:1; Active connections count: 0; Circuit breaker tripped count: 0; Active connections per server: 0.0;] },Server stats: [[Server:192.168.3.6:9012; Zone:UNKNOWN; Total Requests:0; Successive connection failure:0; Total blackout seconds:0; Last connection made:Thu Jan 01 08:00:00 CST 1970; First connection made: Thu Jan 01 08:00:00 CST 1970; Active Connections:0; total failure count in last (1000) msecs:0; average resp time:0.0; 90 percentile resp time:0.0; 95 percentile resp time:0.0; min resp time:0.0; max resp time:0.0; stddev resp time:0.0] ]}ServerList:com.alibaba.cloud.nacos.ribbon.NacosServerList@33e4b9c4 2019-10-29 23:47:11.576 INFO 61396 --- [ main] c.netflix.config.ChainedDynamicProperty : Flipping property: cloud-discovery-client.ribbon.ActiveConnectionsLimit to use NEXT property: niws.loadbalancer.availabilityFilteringRule.activeConnectionsLimit = 2147483647 2019-10-29 23:47:11.577 INFO 61396 --- [ main] c.netflix.loadbalancer.BaseLoadBalancer : Client: cloud-discovery-client instantiated a LoadBalancer: DynamicServerListLoadBalancer:{NFLoadBalancer:name=cloud-discovery-client,current list of Servers=[],Load balancer stats=Zone stats: {},Server stats: []}ServerList:null 2019-10-29 23:47:11.578 INFO 61396 --- [ main] c.n.l.DynamicServerListLoadBalancer : Using serverListUpdater PollingServerListUpdater 2019-10-29 23:47:11.639 INFO 61396 --- [ main] c.netflix.config.ChainedDynamicProperty : Flipping property: cloud-discovery-client.ribbon.ActiveConnectionsLimit to use NEXT property: niws.loadbalancer.availabilityFilteringRule.activeConnectionsLimit = 2147483647 2019-10-29 23:47:11.640 INFO 61396 --- [ main] c.n.l.DynamicServerListLoadBalancer : DynamicServerListLoadBalancer for client cloud-discovery-client initialized: DynamicServerListLoadBalancer:{NFLoadBalancer:name=cloud-discovery-client,current list of Servers=[192.168.3.6:9011],Load balancer stats=Zone stats: {unknown=[Zone:unknown; Instance count:1; Active connections count: 0; Circuit breaker tripped count: 0; Active connections per server: 0.0;] },Server stats: [[Server:192.168.3.6:9011; Zone:UNKNOWN; Total Requests:0; Successive connection failure:0; Total blackout seconds:0; Last connection made:Thu Jan 01 08:00:00 CST 1970; First connection made: Thu Jan 01 08:00:00 CST 1970; Active Connections:0; total failure count in last (1000) msecs:0; average resp time:0.0; 90 percentile resp time:0.0; 95 percentile resp time:0.0; min resp time:0.0; max resp time:0.0; stddev resp time:0.0] ]}ServerList:com.alibaba.cloud.nacos.ribbon.NacosServerList@256589a1 ``` 将三个服务全部启动。服务提供者和服务消费者还有zuul 服务 在控制台 输入命令 curl http://localhost:9083/client/client/test ![file](/upload/otherpic50/785552.png) 我们看到打印效果,请求通过网关服务成功转发到了我们的下游服务上。并返回 - ribbon-isolation-strategy - ignored-services - sensitiveHeaders
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