SpringCloud入门系列之配置中心

<?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 https://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>2.1.15.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.codesofun</groupId>
    <artifactId>config-server</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>config-server</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>Greenwich.SR6</spring-cloud.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-config-server</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-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>

#环境 book-service-dev.properties
spring.cloud.config.profile=dev
#git 库配置分支
spring.cloud.config.label=master
#配置中心地址
spring.cloud.config.uri=http://localhost:5000
#微服务名称
spring.cloud.config.name=book-service

package com.codesofun.config.server;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.config.server.EnableConfigServer;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

@SpringBootApplication
//@EnableDiscoveryClient
@EnableEurekaClient
@EnableConfigServer
public class ConfigServerApplication {

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

server.port=5000
spring.application.name=config-server
eureka.client.service-url.defaultZone=http://localhost:8761/eureka/
#配置代理
spring.cloud.config.server.git.proxy.https.host=
spring.cloud.config.server.git.proxy.https.port=
spring.cloud.config.server.git.proxy.https.username=xxxxx
spring.cloud.config.server.git.proxy.https.password=xxxxxxx
#git uri
spring.cloud.config.server.git.uri=https://gitee.com/xmlvhy/sc-config.git
#连接超时时间
spring.cloud.config.server.git.timeout=6000
spring.cloud.config.server.git.basedir=E:/sc_config/git-pro

#私有仓库用户名
spring.cloud.config.server.git.username=xxx
##私有仓库用户密码
spring.cloud.config.server.git.password=xxxxxxxxx

- 通过加入重试机制，提高应用启动的可靠性
- 重试触发条件1：配置中心无法与仓库正常通信
- 重试触发条件2：微服务无法配置中心正常通信

   <!--重试机制-->
        <dependency>
            <groupId>org.springframework.retry</groupId>
            <artifactId>spring-retry</artifactId>
            <version>1.3.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>

#是否允许快速失败，开启重试机制必须设置为true
spring.cloud.config.fail-fast=true
#初始化时间间隔（毫秒）
spring.cloud.config.retry.initial-interval=5000
#最大尝试次数
spring.cloud.config.retry.max-attempts=4
#最大时间间隔
spring.cloud.config.retry.max-interval=300000
#重试时间间隔倍数，最大不超过最大时间间隔，超过则下一次重试时间间隔为最大时间间隔
spring.cloud.config.retry.multiplier=2

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>

 package com.codesofun.bookservice.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @ClassName RefreshController
 * @Description
 * @Author mozhijun
 * @Date 2020/7/14 17:33
 * @Version 1.0
 **/
@RestController
@RefreshScope
public class RefreshController {
    @Value("${custom.title}")
    private String title;

    @GetMapping("/title")
    public String title(){
        return this.title;
    }
}

management.endpoints.web.exposure.include=*

#git uri
spring.cloud.config.server.git.uri=https://gitee.com/xmlvhy/{application}

#配置微服务名称
#spring.cloud.config.name=book-service
spring.application.name=book-service
#配置中心地址,配置高可用的时候不能指定具体的uri
#spring.cloud.config.uri=http://localhost:5000

                                 本文作者： [AI码真香](https://www.xmlvhy.com/about) 

                                 本文标题：                                     [SpringCloud入门系列之配置中心](https://www.xmlvhy.com/article/detail/92.html) 

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