Learning blog: [SpringCloud] Config configuration center and remote configuration

Build a Config configuration center
project structure

import dependencies

<?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">
    <parent>
        <artifactId>springcloud</artifactId>
        <groupId>com.yl</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>springcloud-config-server-3344</artifactId>


    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-config-server -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-config-server</artifactId>
            <version>3.1.3</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
            <version>1.4.7.RELEASE</version>
        </dependency>
    </dependencies>

</project>

configuration file

server:
  port: 3344

spring:
  application:
    name: springcloud-config-server-3344
    #连接远程仓库
  cloud:
    config:
      server:
        git:
          uri: https://github.com/aurinko-yl/springcloud-config.git

The main startup class, open the annotation @EnableConfigServer

@SpringBootApplication
@EnableConfigServer
public class Config_Server_3344 {
    
    
    public static void main(String[] args) {
    
    
        SpringApplication.run(Config_Server_3344.class,args);
    }
}

---

Client
project structure

import dependencies

<?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">
    <parent>
        <artifactId>springcloud</artifactId>
        <groupId>com.yl</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>springcloud-config-client-3355</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

</project>

Configuration file
application.yml

#用户级别配置
spring:
  application:
    name: springcloud-config-client-3355

bootstrap.yml

#系统级别配置
spring:
  cloud:
    config:
      name: config-client
      profile: dev
      label: main
      uri: http://localhost:3344

config

@RestController
public class ConfigClientController {
    
    

    @Value("${spring.application.name}")
    private String applicationName;

    @Value("${eureka.client.service-url.defaultZone}")
    private String eurekaServer;

    @Value("${server.port}")
    private String port;

    @RequestMapping("/config")
    public String getConfig(){
    
    
        return "applicationName:"+applicationName+
        "eurekaServer:"+eurekaServer+
        "port:"+port;
    }

}

main startup class

@SpringBootApplication
public class ConfigClient3355 {
    
    
    public static void main(String[] args) {
    
    
        SpringApplication.run(ConfigClient3355.class, args);
    }
}

---

Configure the registry (configuration is obtained from the remote warehouse)
project structure

import dependencies

<?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">
    <parent>
        <artifactId>springcloud</artifactId>
        <groupId>com.yl</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>springcloud-config-eureka-7001</artifactId>


    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka-server</artifactId>
            <version>1.4.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>
    </dependencies>

</project>

Configuration file
application.yml

spring:
  application:
    name: springcloud-config-eureka-7001

bootstrap.yml

spring:
  cloud:
    config:
      name: config-eureka
      label: main
      profile: dev
      uri: http://localhost:3344

main startup class

@SpringBootApplication
@EnableEurekaServer //服务端启动类 接受注册
public class EurekaClient_7001 {
    
    
    public static void main(String[] args) {
    
    
        SpringApplication.run(EurekaClient_7001.class, args);
    }
}

Successful access means that the configuration of the remote warehouse is called successfully