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第 10 章 Spring Cloud

目录

10.1. Spring Cloud Config
10.1.1. Maven 项目 pom.xml 文件
10.1.2. Server
10.1.2.1. Maven config 模块
10.1.2.2. Application
10.1.2.3. application.properties
10.1.2.4. Git 仓库
10.1.2.5. 测试服务器
10.1.3. Client
10.1.3.1. Maven pom.xml
10.1.3.2. Application
10.1.3.3. bootstrap.properties
10.1.3.4. 测试 client
10.1.4. Config 高级配置
10.1.4.1. 仓库配置
10.1.4.1.1. 分支
10.1.4.1.2. basedir
10.1.4.1.3. HTTP Auth
10.1.4.1.4. 本地git仓库
10.1.4.1.5. native 本地配置
10.1.4.2. Config server 用户认证
10.1.4.2.1. Server 配置
10.1.4.2.2. Client 配置
10.1.4.3. 加密敏感数据
10.1.4.4. Spring Cloud Config JDBC Backend
10.1.4.4.1. Maven pom.xml
10.1.4.4.2. 数据库表结构
10.1.4.4.3. Config 服务器
10.1.4.4.4. application.properties
10.1.5. Old
10.1.5.1. Server (Camden.SR5)
10.1.5.2. Client (Camden.SR5)
10.2. Spring Cloud Consol
10.2.1. Spring Cloud Consul 配置
10.2.2. Maven 父项目
10.2.3. Consul 服务生产者
10.2.3.1. Maven
10.2.3.2. application.properties
10.2.3.3. SpringApplication
10.2.3.4. TestController
10.2.4. Consul 服务消费者
10.2.4.1. Maven
10.2.4.2. application.properties
10.2.4.3. SpringApplication
10.2.4.4. TestController
10.2.5. Openfeign
10.2.5.1. Maven
10.2.5.2. application.properties
10.2.5.3. SpringApplication
10.2.5.4. Feign 接口
10.2.5.5. TestController
10.3. Spring Cloud Netflix
10.3.1. Eureka Server
10.3.1.1. Maven
10.3.1.2. Application
10.3.1.3. application.properties
10.3.1.4. 检查注册服务器
10.3.2. Eureka Client
10.3.2.1. Maven
10.3.2.2. Application
10.3.2.3. RestController
10.3.2.4. application.properties
10.3.2.5. 测试
10.3.3. Feign client
10.3.3.1. Maven
10.3.3.2. Application
10.3.3.3. interface
10.3.3.4. application.properties
10.3.3.5. 测试
10.3.3.6. fallback
10.3.4. 为 Eureka Server 增加用户认证
10.3.4.1. Maven
10.3.4.2. application.properties
10.3.4.3. Eureka Client
10.3.4.4. Feign Client
10.3.5. Eureka 配置项
10.3.5.1. /eureka/apps
10.3.5.2. Eureka instance 配置项
10.3.5.3. Eureka client 配置项
10.3.5.4. Eureka Server配置项
10.3.6. ribbon
10.3.6.1.
10.3.6.2. LoadBalancerClient 实例
10.3.6.2.1. application.properties
10.3.6.2.2. LoadBalancerClient 获取服务器列表
10.3.6.3. Ribbon 相关配置
10.3.6.3.1. 内置负载均衡策略
10.3.7. 获取 EurekaClient 信息
10.3.8. Zuul
10.3.8.1. Maven
10.3.8.2. EnableZuulProxy
10.3.8.3. application.yml
10.3.8.4. 负载均衡配置
10.4. Openfeign
10.4.1. Openfeign 扫描包配置
10.4.2. 用户认证
10.4.3. 配置连接方式
10.4.4.
10.5. Spring Cloud Gateway
10.5.1. Gateway 例子
10.5.1.1. Maven
10.5.1.2. SpringApplication
10.5.1.3. application.yml
10.5.1.4. RouteLocator 方式
10.5.2. 路由配置
10.5.2.1. 转发操作
10.5.2.2. URL 参数
10.6. Spring Cloud Stream
10.7. Spring Cloud Bus
10.8. Spring Cloud Sleuth
10.9. Spring Cloud 相关的 application.properties 配置
10.9.1. 启用或禁用 bootstrap
10.9.2. bootstrap.properties 配置文件
10.10. Spring Cloud with Kubernetes
10.10.1. Config
10.10.1.1. Maven 依赖
10.10.1.2. Spring Cloud 配置文件
10.10.1.3. 程序文件
10.10.1.3.1. SpringBootApplication 启动文件
10.10.1.3.2. 配置类
10.10.1.3.3. 控制器
10.10.1.4. Kubernetes 编排脚本
10.10.1.5. 测试
10.10.2. 注册发现
10.10.2.1. Maven 父项目
10.10.2.2. provider
10.10.2.2.1. Maven 依赖
10.10.2.2.2. Springboot 启动类
10.10.2.2.3. 控制器
10.10.2.2.4. application.properties 配置文件
10.10.2.2.5. Kubernetes provider 编排脚本
10.10.2.3. consumer
10.10.2.3.1. Maven 依赖
10.10.2.3.2. Springboot 启动类
10.10.2.3.3. 控制器
10.10.2.3.4. FeignClient 接口
10.10.2.3.5. application.properties 配置文件
10.10.2.3.6. Kubernetes consumer 编排脚本
10.10.2.4. 测试
10.10.2.5.
10.11. FAQ
10.11.1. Cannot execute request on any known server
10.11.2. @EnableDiscoveryClient与@EnableEurekaClient 区别
10.11.3. Feign请求超时
10.11.4. 已停止的微服务节点注销慢或不注销
10.11.5. Feign 启动出错 PathVariable annotation was empty on param 0.
10.11.6. Feign 提示 Consider defining a bean of type 'common.feign.Cms' in your configuration.
10.11.7. Load balancer does not have available server for client
10.11.8. Eureka Client (Dalston.SR1)
10.11.8.1. Maven
10.11.8.2. Application
10.11.8.3. RestController
10.11.8.4. application.properties
10.11.8.5. 测试
10.11.9. Config Server(1.3.1.RELEASE)
10.11.9.1. Server
10.11.9.1.1. Maven
10.11.9.1.2. Application
10.11.9.1.3. application.properties
10.11.9.1.4. Git 仓库
10.11.9.1.5. 测试服务器
10.11.9.2. Client
10.11.9.2.1. Maven pom.xml
10.11.9.2.2. Application
10.11.9.2.3. bootstrap.properties
10.11.9.2.4. 测试 client

10.1. Spring Cloud Config

10.1.1. Maven 项目 pom.xml 文件

		
<?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>cn.netkiller</groupId>
	<artifactId>microservice</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>pom</packaging>

	<name>microservice</name>
	<url>http://www.netkiller.cn</url>
	<description>Demo project for Spring Boot</description>

	<organization>
		<name>Netkiller Spring Cloud 手札</name>
		<url>http://www.netkiller.cn</url>
	</organization>

	<developers>
		<developer>
			<name>Neo</name>
			<email>netkiller@msn.com</email>
			<organization>Netkiller Spring Cloud 手札</organization>
			<organizationUrl>http://www.netkiller.cn</organizationUrl>
			<roles>
				<role>Author</role>
			</roles>
		</developer>
	</developers>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>14</java.version>
		<maven.compiler.source>${java.version}</maven.compiler.source>
		<maven.compiler.target>${java.version}</maven.compiler.target>
		<maven.compiler.release>${java.version}</maven.compiler.release>
	</properties>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.3.3.RELEASE</version>
		<relativePath />
	</parent>

	<repositories>
		<repository>
			<id>alimaven</id>
			<name>Maven Aliyun Mirror</name>
			<url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
			<releases>
				<enabled>true</enabled>
			</releases>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Hoxton.SR8</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
	<dependencies>
		<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-test</artifactId>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
		</dependency>
	</dependencies>

	<modules>
		<module>eureka</module>
		<module>gateway</module>
		<module>config</module>
		<module>webflux</module>
		<module>openfeign</module>
		<module>restful</module>
	</modules>
</project>		
		
		

10.1.2. Server

10.1.2.1. Maven config 模块

			
<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>cn.netkiller</groupId>
		<artifactId>microservice</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>
	<groupId>cn.netkiller</groupId>
	<artifactId>config</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>config</name>
	<url>http://www.netkiller.cn</url>
	<description>Config project for Spring cloud</description>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>11</java.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-config-monitor</artifactId> </dependency> -->
		<!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> -->
	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<configuration>
					<mainClass>cn.netkiller.config.Application</mainClass>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-surefire-plugin</artifactId>
				<configuration>
					<skip>true</skip>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>
			
			

10.1.2.2. Application

Application

			
package cn.netkiller.config;

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

@EnableConfigServer
@SpringBootApplication
public class Application {
	public static void main(String[] args) {
		System.out.println("Config Server Starting...");
		SpringApplication.run(Application.class, args);
	}
}
			
			

10.1.2.3. application.properties

			
server.port=8888
spring.cloud.config.server.git.uri=https://github.com/netkiller/config.git
			
			

10.1.2.4. Git 仓库

克隆仓库

		
git clone https://github.com/netkiller/config.git
		
			

创建配置文件 server-development.properties

		
vim server-development.properties

test.a=KKOOKK
message=Hello world
		
			

提交配置文件

		
git commit -a
git push
		
			

10.1.2.5. 测试服务器

			
neo@netkiller $ curl http://localhost:8888/server-development.json
{"message":"Hello world","test":{"a":"KKOOKK"}}
			
			

10.1.3. Client

10.1.3.1. Maven pom.xml

			
<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>cn.netkiller</groupId>
		<artifactId>microservice</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>
	<groupId>cn.netkiller</groupId>
	<artifactId>restful</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>restful</name>
	<url>http://maven.apache.org</url>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<dependencies>
		<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-web</artifactId>
		</dependency>
	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<configuration>
					<mainClass>cn.netkiller.Application</mainClass>
				</configuration>
			</plugin>
			<plugin>
				<artifactId>maven-surefire-plugin</artifactId>
				<configuration>
					<skip>true</skip>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>		
			
			

10.1.3.2. Application

			
package cn.netkiller.cloud.client;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
public class Application {

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

@RefreshScope
@RestController
class MessageRestController {

	@Value("${message:Hello default}")
	private String message;

	@RequestMapping("/message")
	String getMessage() {
		return this.message;
	}
}			
			
			

注意 @RefreshScope 注解

10.1.3.3. bootstrap.properties

			
spring.application.name=server-development
spring.cloud.config.uri=http://localhost:8888
management.security.enabled=false			
			
			

10.1.3.4. 测试 client

						
neo@netkiller $ curl http://localhost:8080/message.json
Hello world
			
			

10.1.4. Config 高级配置

10.1.4.1. 仓库配置

配置文件格式

		
/{application}/{profile}[/{label}]
/{application}-{profile}.yml
/{label}/{application}-{profile}.yml
/{application}-{profile}.properties
/{label}/{application}-{profile}.properties		
		
			

{application} 映射到客户端的"spring.application.name" 或 “spring.cloud.config.name”;

{profile}映射到客户端上的"spring.profiles.active" 或 “spring.cloud.config.profile”;

{label} 是可选的 git 标签,默认 master;

			
nickname: netkilleriMac:Java neo$ curl http://localhost:8769/webflux-dev.json
{"name":"Neo","nickname":"netkiller"}
			
iMac:Java neo$ curl http://localhost:8769/webflux-dev.properties
name: Neo
nickname: netkiller

iMac:Java neo$ curl http://localhost:8769/webflux-dev.yml
name: Neo
nickname: netkiller

iMac:Java neo$ curl http://localhost:8769/webflux-dev.yaml
name: Neo
nickname: netkiller
			
			
10.1.4.1.1. 分支

label 是指 git 的分支

			
spring.cloud.config.label=mybranch
			
				
10.1.4.1.2. basedir
			
spring.cloud.config.server.git.basedir=api/configs
			
				
10.1.4.1.3. HTTP Auth
			
spring.application.name=config-server
spring.cloud.config.server.git.uri=https://netkiller:xxxxxx@github.com/xyz/microservices-configs.git
			
				

			
spring.application.name=config-server
spring.cloud.config.server.git.uri=https://github.com/xyz/microservices-configs.git
spring.cloud.config.server.git.username=netkiller
spring.cloud.config.server.git.password=password
			
				
10.1.4.1.4. 本地git仓库

创建本地仓库

			
mkdir ~/config
cd config
git init
git config --global user.email "neo.chen@live.com"
git config --global user.name "Neo Chen"
			
				

创建测试配置文件

			
# cat app-test.properties 
name=neo
age=10
			
				

提交配置文件

			
git add app-test.properties 
git commit -a
			
				

检查文件是否提交成功

			
[root@netkiller config]# git log
commit aee6c35bacf1740004e02f8ecdcf2fd322422405
Author: Neo Chen <neo.chen@live.com>
Date:   Thu Nov 2 14:18:48 2017 +0800

        new file:   app-test.properties
			
				

配置 Spring cloud config 服务器,修改 application.properties 文件

			
server.port=8888
#spring.cloud.config.server.git.uri=/opt/config
spring.cloud.config.server.git.uri= file://${user.home}/config
security.user.name=cfg
security.user.password=s3cr3t

## Spring cloud GIT Repository file
${user.home}/config/root-server.properties		
			
				

检验配置中心

			
[root@netkiller config]# curl http://cfg:test@localhost:8888/app-test.properties
age: 10
name: neo
			
				
10.1.4.1.5. native 本地配置

载入本地配置文件 resources/shared/config-client-dev.yml

			
server:
  port: 8762
foo: foo version 1			
			
				

配置中心服务端 resources/application.yml 配置文件

			
server:
  port: 8769
spring:
  application:
    name: config-server
  profiles:
    active: native
  cloud:
    config:
      server:
        native:
          search-locations: classpath:/shared			
			
				

测试配置文件

			
iMac:Java neo$ curl http://localhost:8769/config-client-dev.json
{"server":{"port":8762},"foo":"foo version 1"}
			
				

10.1.4.2. Config server 用户认证

10.1.4.2.1. Server 配置
10.1.4.2.1.1. application.properties
				
server.port=8888
spring.cloud.config.server.git.uri=ssh://localhost/config-repo
spring.cloud.config.server.git.clone-on-start=true
security.user.name=cfg
security.user.password=s3cr3t
				
					
10.1.4.2.1.2. Maven
				
<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>cn.netkiller</groupId>
	<artifactId>config</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>config</name>
	<url>http://maven.apache.org</url>

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

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.7.RELEASE</version>
		<relativePath />
	</parent>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-config</artifactId>
				<version>1.3.1.RELEASE</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
	<dependencies>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-config-server</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-security</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>
				
				
					
10.1.4.2.1.3. 测试是否生效
				
neo@MacBook-Pro ~/deployment % curl http://cfg:s3cr3t@localhost:8888/neo-development.json
{"message":"Hello world","test":{"name":"neo"}}		
				
					
10.1.4.2.2. Client 配置

bootstrap.properties:

			
spring.application.name=project
spring.profiles.active=development
spring.cloud.config.uri=http://localhost:8888
spring.cloud.config.username=cfg
spring.cloud.config.password=s3cr3t
			
				

10.1.4.3. 加密敏感数据

Config server 创建证书

		
keytool -genkeypair -alias config-server-key \
       -keyalg RSA -keysize 4096 -sigalg SHA512withRSA \
       -dname 'CN=Config Server,OU=Spring Cloud,O=Netkiller' \
       -keypass s3cr3t -keystore config-server.jks \
       -storepass passw0rd		
		
			

application.properties 中配置证书

		
# spring.cloud.config.server.encrypt.enabled=true
encrypt.key-store.location=classpath:/config-server.jks
encrypt.key-store.alias=config-server-key
encrypt.key-store.secret=s3cr3t
encrypt.key-store.password=passw0rd
		
			

测试加密

		
curl -X POST --data-urlencode mypassword http://localhost:8888/encrypt
		
			
		
$ PASSWORD=$(curl -X POST --data-urlencode passw0rd http://cfg:s3cr3t@localhost:8888/encrypt)
$ echo "user.password=$PASSWORD" >> api-interface-development.properties
$ git commit -am 'Added encrypted password'

# 刷新配置
$ curl -X POST http://cfg:s3cr3t@localhost:8888/refresh		
		
			

10.1.4.4. Spring Cloud Config JDBC Backend

10.1.4.4.1. Maven pom.xml
			
<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.11.RELEASE</version>
    <relativePath/>
</parent>

<dependencies>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-config-server</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.flywaydb</groupId>
        <artifactId>flyway-core</artifactId>
        <version>5.0.3</version>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.21</version>
    </dependency>
</dependencies>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>Edgware.SR3</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>			
			
				
10.1.4.4.2. 数据库表结构
			
CREATE TABLE `properties` (
  `key` varchar(50) NOT NULL,
  `value` varchar(500) NOT NULL,
  `application` varchar(50) NOT NULL,
  `profile` varchar(50) NOT NULL,
  `label` varchar(50) NOT NULL,
  PRIMARY KEY (`KEY`, `APPLICATION`, `PROFILE`, `LABEL`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;			
			
				
10.1.4.4.3. Config 服务器
			
@EnableConfigServer
@SpringBootApplication
public class Application {

	//@Autowired
	//JdbcTemplate jdbcTemplate;

    public static void main(String[] args) {
    	SpringApplication.run(Application.class, args);
        // 测试用数据,仅用于本文测试使用
        JdbcTemplate jdbcTemplate = context.getBean(JdbcTemplate.class);
        jdbcTemplate.execute("delete from properties");
        jdbcTemplate.execute("INSERT INTO properties VALUES('neo.message', 'helloworld', 'api', 'stage', 'master')");
        jdbcTemplate.execute("INSERT INTO properties VALUES('neo.message', 'helloworld', 'new', 'online', 'master')");
        jdbcTemplate.execute("INSERT INTO properties VALUES('neo.message', 'helloworld', 'test', 'online', 'develop')");
        jdbcTemplate.execute("INSERT INTO properties VALUES('neo.message', 'helloworld', 'cms', 'online', 'master')");
    }

}			
			
				
10.1.4.4.4. application.properties

spring.profiles.active=jdbc 将配置中心的存储实现切换到jdbc的方式, 必须设置。

			
server.port=8888
spring.profiles.active=jdbc

spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/config-server-db
spring.datasource.username=root
spring.datasource.password=xxxx

# or

spring.datasource.driver-class-name=org.postgresql.Driver
spring.datasource.url= jdbc:postgresql://localhost:5432/configdb
spring.datasource.username=xxxxxx
spring.datasource.password=xxxxxx			
			
				

10.1.5. Old

10.1.5.1. Server (Camden.SR5)

Maven pom.xml 请使用最新版本 1.3.1, 下面的 maven 是早期 Camden.SR5 版本的配置

			
<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>netkiller.cn</groupId>
	<artifactId>cloud</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>Neo</name>
	<description>http://www.netkiller.cn</description>
	<packaging>jar</packaging>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.3.RELEASE</version>
		<relativePath />
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-config-server</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>Camden.SR5</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>
			
			

10.1.5.2. Client (Camden.SR5)

Maven pom.xml Camden.SR5 为早期版本,尽可以使用新版

			
<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>netkiller.cn</groupId>
	<artifactId>cloud</artifactId>
	<version>0.0.1-SNAPSHOT</version>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.2.RELEASE</version>
		<relativePath />
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<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>
		<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>Camden.SR5</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>