静态网关的搭建https://blog.csdn.net/kxj19980524/article/details/87802023
动态网关的起因是因为如果要新添加服务的话,还需要重新添加配置文件再重新重启网关服务才可以,但一般项目上线总不能老是重启网关,所以需要搭建动态网关,不需要重启网关服务.
实现原理就是配合分布式配置中心来搭建的,把网关的配置文件放到git上面然后动态读取,新添加服务的时候,只需要再线修改git上配置文件,然后手动刷新即可加载新的服务.
SpringCloud之分布式配置中心config的使用https://blog.csdn.net/kxj19980524/article/details/87557189
下面是在静态网关的基础上实现的,实现动态网关的
<?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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.5.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.buba</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.RELEASE</spring-cloud.version>
</properties>
<dependencies>
<!--整合zuul网关-->
<!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-zuul -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- springcloud config 2.0 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-config-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<!--Finchley.RELEASE 加上这个东西,别使用默认的 或者使用Finchley.M7这个兼容springcloud2.0版本但是我使用不好使-->
<version>Finchley.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<!--加上这个false就不从上面这个链接里下载jar包-->
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
</project>
在码云上建立一个service-zuul-dev.yml的配置文件,并且配置文件里面我只管理了一个member服务,order服务是注释上的
把zuul配置文件也换为yml格式的了,使用properties格式的话,Actuator监控中心不好使 ,并且把member和order都注释上了,让它从码云上读取配置文件信息.
###服务注册到eureka地址
eureka:
client:
service-url:
defaultZone: http://localhost:8100/eureka
server:
port: 80
spring:
application:
#注册到eureka上的服务名称
name: service-zuul
cloud:
config:
##版本环境
profile: dev
##config-server环境,config-server的发布到eureka上的名称
discovery:
service-id: config-server
##开启读取权限
enabled: true
#原本是禁用的,配置了这个就开启了所有监控接口了 默认情况下只开启三个接口
management:
endpoints:
web:
exposure:
include: "*"
#zuul:
# routes:
# api-member:
# ####这个是访问member服务的路径 api-member这段可以随意起名字
# path: /member/**
# ####这个是member注册到eureka的服务名称
# serviceId: app-buba-member
# ##这个是访问order服务的路径
# api-order:
# path: /order/**
# serviceId: app-buba-order
package com.buba;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.cloud.netflix.zuul.filters.ZuulProperties;
@SpringBootApplication
@EnableEurekaClient
//开启注册网关
@EnableZuulProxy
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
// zuul配置能够使用config实现实时更新
@RefreshScope
@ConfigurationProperties("zuul")
public ZuulProperties zuulProperties() {
return new ZuulProperties();
}
}