配置文件管理 server 端
当修改一个配置文件, 我们需要重新打包项目或重新启动服务才能生效, springcloud 的 config 实现了配置文件的统一管理, 当配置文件修改后提交 Git 后系统会自动刷新获取修改后的配置文件.
eureka 集群搭建
rabbitmq 的安装配置
将配置文件上传至 Git 上
新建一个 maven 项目:
建好的项目结构如下:
pom 文件相关依赖
- <?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>cloud</groupId>
- <artifactId>cloud-config-server</artifactId>
- <version>0.0.1-SNAPSHOT</version>
- <packaging>jar</packaging>
- <name>cloud-config-server</name>
- <description>Demo project for Spring Boot</description>
- <parent>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-starter-parent</artifactId>
- <version>1.5.10.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>Greenwich.M3</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.cloud</groupId>
- <artifactId>spring-cloud-starter-bus-amqp</artifactId>
- </dependency>
- </dependencies>
- <dependencyManagement>
- <dependencies>
- <dependency>
- <groupId>org.springframework.cloud</groupId>
- <artifactId>spring-cloud-dependencies</artifactId>
- <version>Dalston.SR3</version>
- <type>pom</type>
- <scope>import</scope>
- </dependency>
- <dependency>
- <groupId>org.springframework.cloud</groupId>
- <artifactId>spring-cloud-starter-eureka-server</artifactId>
- <exclusions>
- <exclusion>
- <groupId>com.fasterxml.jackson.dataformat</groupId>
- <artifactId>jackson-dataformat-xml</artifactId>
- </exclusion>
- </exclusions>
- </dependency>
- </dependencies>
- </dependencyManagement>
- <build>
- <finalName>${project.artifactId}</finalName>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-resources-plugin</artifactId>
- <configuration>
- <encoding>UTF-8</encoding>
- </configuration>
- </plugin>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <configuration>
- <source>1.8</source>
- <target>1.8</target>
- <encoding>UTF-8</encoding>
- </configuration>
- </plugin>
- <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>
- <snapshots>
- <enabled>false</enabled>
- </snapshots>
- </repository>
- </repositories>
- </project>
启动文件
- @EnableDiscoveryClient
- @SpringBootApplication
- @EnableConfigServer
- public class ConfigServerApplication {
- public static void main(String[] args) {
- SpringApplication.run(ConfigServerApplication.class, args);
- }
- }
服务器端配置文件详情
- server.port=8081
- spring.cloud.config.server.Git.uri=https://github.com/castanea-kang/config-repo.git
- spring.cloud.config.server.Git.searchPaths=cloud-config-repo
- spring.application.name=cloud-config
- spring.cloud.config.discovery.enabled=true
- spring.cloud.config.discovery.service-id=cloud-config
- spring.rabbitmq.host=114.115.243.135
- spring.rabbitmq.port=5672
- spring.rabbitmq.username=guest
- spring.rabbitmq.password=guest
- eureka.client.serviceUrl.defaultZone=http://eureka01:8080/eureka/
- #eureka.instance.prefer-ip-address=true
- #eureka.instance.ip-address=114.115.243.135 #配置从 eureka 注册中心访问接口的 ip
- #eureka.instance.status-page-url-path=/cloud-config/test/ #接口访问路径
- management.security.enabled=false #是否开启安全认证
启动 config server 端可以再 eureka 注册中心找到该服务, 如下图:
可以通过访问地址 http://114.115.243.135:8081/cloud-config/test/ 得到数据:
config 客户端相关配置
pom 配置文件相关依赖
- <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-actuator</artifactId>
- </dependency>
- <!-- 总线刷新, 通过 rabbitmq -->
- <dependency>
- <groupId>org.springframework.cloud</groupId>
- <artifactId>spring-cloud-starter-bus-amqp</artifactId>
- </dependency>
配置文件详情 Bootstrap.properties
- spring.application.name=cloud-config
- spring.cloud.config.profile=test
- eureka.client.serviceUrl.defaultZone=http://114.115.243.135:8080/eureka/
- spring.cloud.config.discovery.enabled=true
- spring.cloud.config.discovery.service-id=cloud-config
- eureka.client.register-with-eureka=false
- spring.rabbitmq.host=114.115.243.135
- spring.rabbitmq.port=5672
- spring.rabbitmq.username=guest
- spring.rabbitmq.password=guest
- management.security.enabled=false
- spring.cloud.bus.trace.enabled=true
利用 Git 的 webhook 实现实时更新通知, 当向 Git 进行事件操作时, 进行配置文件刷新应用.
注: 如果出现配置正常刷新日志打印正常, 但是并没有刷新, 在 config client 控制层上加上注解
@RefreshScope
来源: https://juejin.im/post/5bff9fd26fb9a049bc4c5fd9