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spring cloud redis session共享

mvn依賴

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-redis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.session</groupId>
            <artifactId>spring-session-data-redis</artifactId>
        </dependency>

zuul模組的設定

@SpringBootApplication
@EnableZuulProxy//允許zuul代理,配置session儲存後立刻重新整理設定重新整理模式為立刻重新整理,否則可能獲取不到session。
@EnableEurekaClient
@EnableRedisHttpSession(redisFlushMode = RedisFlushMode.IMMEDIATE)
public class WebApplication {

    public static void main(String[] args) {
        SpringApplication.run(WebApplication.class,args);
    }
}
zuul:
  routes:
    service0:
    #設定敏感頭部資訊。 Cookie/Set-Cookie
      sensitiveHeaders: Authorization
      path: /api/**
      url: http://localhost:8080/
    service1:
      path: /api2/**
      url: http://localhost:8090/
      sensitiveHeaders: Authorization
  #增加代理的header,防止session丟失

1、@EnableZuulProxy註解,用於引入zuul代理,實現zuul的路由轉發功能。

2、@EnableRedisHttpSession,用於指定redis管理session。這裡我們指定redisFlushMode為立即重新整理模式,防止因為redis重新整理緩慢,導致session資訊無法獲取。

注意要配置sensitiveHeader,預設情況下sensitiveHeaders,包含Cookie/Set-Cookie/Authorization三個頭,zuul認為這些頭是敏感的,預設不會再路由中攜帶,所以為 session共享,就一定要放行cookie,只設置Authorization就行,或者指定其它值。

其它模組

在spring boot的主類上開啟redis管理session的註解 。@EnableRedisHttpSession


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.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 
@SpringBootApplication
@EnableDiscoveryClient
@EnableZuulProxy
@EnableRedisHttpSession
public class ZuulgatewayApplication {
 
	public static void main(String[] args) {
		SpringApplication.run(ZuulgatewayApplication.class, args);
	}
 
}
 

配置redis

#叢集-用於部署
  redis:
    cluster:
      nodes: 10.200.15.248:6379
      timeout: 2000;
      max-redirects: 7
#單機-用於開發
  redis:
    host: 10.200.15.248
    port: 6379
    database: 0
    jedis:
      pool:
        max-active: 8
        max-wait:
        max-idle: 8
        min-idle: 0
    timeout:
    password: