Spring Cloud 之分布式配置基础应用

分布式配置基础应用

配置中心服务

spring-config-server

pom.xml

<?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>

    <groupId>org.galsang.cloud</groupId>
    <artifactId>spring-config-server</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>spring-config-server</name>
    <description>配置中心服务</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <spring-cloud.version>Edgware.RELEASE</spring-cloud.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-config-server</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</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>
                <version>${spring-cloud.version}</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>

</project>

application-dev.yml

spring:
  profiles: dev
  cloud:
    inetutils:
      preferred-networks:
        - 192.168
    config:
      server:
        git:
          uri: https://gitee.com/vimx86/SpringCloud-Learning/ # git 配置仓库地址
          search-paths: galsang-z-docs/config-repo
          # 由于是公开git 仓库，故不使用账号密码
#          username:
#          password:

  # git管理配置
  # /{application}/{profile}[/{label}]
  # /{application}-{profile}.yml
  # /{label}/{application}-{profile}.yml
  # /{application}-{profile}.properties
  # /{label}/{application}-{profile}.properties

  # http://www.galsang.org:9001/application-dev/dev/master
  # http://www.galsang.org:9001/application/dev/master

  # http://www.galsang.org:9001/application-dev.properties   默认使用master分支中的配置文件
  # http://www.galsang.org:9001/dev/application-beta.properties 使用指定分支中的配置文件

server:
  port: 9001
  context-path: /
  display-name: www.galsang.org

# 服务注册配置
eureka:
# 作为服务进行注册
  client:
    register-with-eureka: true
    fetch-registry: true
    enabled: true
    service-url:
      defaultZone: http://www.galsang.org:9000/eureka/
  instance:
    prefer-ip-address: true
    instance-id: ${spring.application.name}:${server.display-name}:${server.port}
    leaseRenewalIntervalInSeconds: 1
    leaseExpirationDurationInSeconds: 2

SpringConfigServerApplication.java

package org.galsang.cloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.config.server.EnableConfigServer;

@SpringBootApplication
@EnableConfigServer // 激活配置中心服务
@EnableDiscoveryClient // 激活Eureka中的DiscoveryClient 服务发现
public class SpringConfigServerApplication {

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

---

配置客户服务

spring-config-client

pom.xml

<?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>

    <groupId>org.galsang.cloud</groupId>
    <artifactId>spring-config-client</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>spring-config-client</name>
    <description>配置客户服务</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <spring-cloud.version>Edgware.RELEASE</spring-cloud.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</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>
                <version>${spring-cloud.version}</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>

 </project>

bootstrap.yml

spring:
  application:
    name: spring-config-client
  cloud:
    config:
      profile: dev # 环境
      label: master # git 仓库分支
      uri: http://www.galsang.org:9001/  # 配置中心地址
server:
  port: 9002
  context-path: /
  display-name: www.galsang.org

eureka:
  client:
    register-with-eureka: true
    fetch-registry: true
    enabled: true
    service-url:
      defaultZone: http://www.galsang.org:9000/eureka/
  instance:
      prefer-ip-address: true
      instance-id: ${spring.application.name}:${server.display-name}:${server.port}
      leaseRenewalIntervalInSeconds: 1
      leaseExpirationDurationInSeconds: 2

SpringConfigServerApplication.java

package org.galsang.cloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication
@EnableDiscoveryClient
public class SpringConfigClientApplication {

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

TestConfigController.java

package org.galsang.cloud.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * Description：测试 使用 配置中心 配置文件的 接口
 * <br /> Author： vimx86
 */
@RestController
public class TestConfigController {

    @Value("${from}")
    private String from;

    @RequestMapping("/from")
    public String from() {
        return from;
    }

}

效果预览

浏览器打开 http://www.galsang.org:9002/from

说明访问git仓库中的配置成功。

源码请移步： https://gitee.com/vimx86/SpringCloud-Learning

参考资料

• Spring Cloud基础教程