从下图可以看出,SpringCloudConfig用于统一管理各微服务的配置信息,例如数据库连接、redis连接、日志配置等跟各自系统有关的属性配置。采用此架构后,只需要将配置信息上传到svn或git上,通过http请求刷新可以实现各个环境的热部署。
以往的系统都是采取application-
环境后缀的方式,
采用springcloudconfig,就不需要了,只需要配置bootstrap.yml
就可以了
1 config server
搭建configserver比较简单,代码量很少。
1.1 配置启动服务
也就这一个代码了
import lombok.extern.slf4j.Slf4j;
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
@EnableEurekaClient
@EnableConfigServer
@Slf4j
public class ConfigServerApplication {
public static void main(String[] args) {
try{
SpringApplication.run(ConfigServerApplication.class, args);
}finally {
log.info("server start finish");
}
}
}
1.2 pom.xml
从下面的配置可以看出,configserver的配置更新是通过消息队列来通知的。
<?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>
<groupId>com.dzmsoft</groupId>
<artifactId>config-server</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>
<name>config-server</name>
<description>统一配置中心</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.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>Finchley.SR1</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-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bus-amqp</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.tmatesoft.svnkit</groupId>
<artifactId>svnkit</artifactId>
<version>1.9.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.14</version>
<scope>provided</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<finalName>${name}</finalName>
<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>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
</project>
1.3 bootstrapy.yml
这里链接配置采取的是对接svn的方式,消息队列通过SpringCloud Bus对接RabbitMQ,敏感信息通过JCE进行加密
server:
port: 9015
spring:
profiles:
active: subversion
application:
name: config-server
cloud:
config:
server:
svn:
uri: https://ip:port/svn/config
username: test
password: 123456
rabbitmq:
host: 192.168.5.130
port: 5672
username: test
password: test123
eureka:
instance:
#每5秒发送一次请求给eureka服务器
lease-renewal-interval-in-seconds: 5
#多久剔除服务
lease-expiration-duration-in-seconds: 10
preferIpAddress: true
statusPageUrlPath: /actuator/info
healthCheckUrlPath: /actuator/health
client:
service-url:
defaultZone: http://192.168.5.102:8761/eureka
management:
endpoints:
web:
exposure:
include: bus-refresh
encrypt:
key-store:
location: classpath:config-server.keystore
alias: config-server
password: test
secret: 123456
1.4 敏感信息加密
local_policy.jar
和US_export_policy.jar
可以在JCE下载
在服务器环境,将附件中 2个jar 放至 %JAVA_HOME%/jre/lib/security 目录下
在客户端配置文件 使用“{cipher} 密文”来保存加密数据
例如:password: ‘{cipher}AQAQBnh2Gl488iZP29mRX6E3TzzfoQLFxGEzhpeoaHgz2ZN3usfP5IQljpBYQmMC23OqAj0gj1cY9XroJB4U2N/8Bs1cjwAqy2biOVboQma4EjRpVghWI8hc6IzReOCAPEYV1L9O7F+EODcvI5Y0Ub3S6d4MboKMSS3yazJZz6IkaGPstUCqDqKFigj7G24sQSVk5jaPZdwynORL7NZb6WLfmAVyQh6fOTe95TPXDpze//P9ICFAAG4PpMEDqNIm05apvXDbPl921RPA9OuIJv05Gc9xbJ622e3e1x7ZVwkNiuPBDD4QNGmZWfLe80XEs3FvMQdZgV68MuYUL6TsJIhzvzeijwoOvKHsA/MZxHFjIR6puaEntf4fhIkyPV73V8I=’
2 客户端配置
2.1 bootstrap.yml
客户端只需要配置bootstrap.yml
即可,这里连接的是eureka
spring:
application:
name: mp-server
jackson:
date-format: yyyy-MM-dd HH:mm:ss
time-zone: GMT+8
default-property-inclusion: non_null
cloud:
# 读取配置中心配置
config:
discovery:
enabled: true
service-id: config-server
profile: dev
label: mp-server
bus:
trace:
enabled: true
server:
port: 8093
eureka:
instance:
#每5秒发送一次请求给eureka服务器
lease-renewal-interval-in-seconds: 5
#多久剔除服务
lease-expiration-duration-in-seconds: 10
preferIpAddress: true
statusPageUrlPath: /actuator/info
healthCheckUrlPath: /actuator/health
client:
service-url:
defaultZone: http://192.168.5.207:8761/eureka/,http://192.168.5.180:8761/eureka/,http://192.168.5.154:8761/eureka/
2.2 客户端在svn中的配置文件
将这三个文件上传到svn中https://ip:port/svn/config/工程名称
目录下
2.3 刷新配置
可以使用postman工具,向config server发送配置刷新post请求,没有异常即算配置成功。