一、consul 簡介
consul 具有以下性質:
服務發現:consul通過http 方式註冊服務,並且服務與服務之間相互感應。
服務健康監測
key/value 儲存
多資料中心
consul可執行在mac windows linux 等機器上。Spring Cloud大型企業分散式微服務雲架構原始碼請加一七九一七四三三八零
二、consul安裝
linux
$ mkdir -p $GOPATH/src/github.com/hashicorp && cd $!
$ git clone https:// github. com/ hashicorp/ consul.git
$ cd consul
$ make bootstrap
$ make bootstrap
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windows下安裝:
見consul怎麼在windows下安裝
三、構建工程
構建一個consul-miya的springboot工程,匯入依賴pring-cloud-starter-consul-discovery,其依賴檔案:
<?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.forezp</groupId>
<artifactId>consul-miya</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>consul-miya</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.2.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>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-consul-discovery</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>Dalston.RELEASE</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>
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在其入口檔案ConsulMiyaApplication加入註解@EnableDiscoveryClient,開啟服務發現:
@SpringBootApplication
@EnableDiscoveryClient
@RestController
public class ConsulMiyaApplication {
@RequestMapping("/hi")
public String home() {
return "hi ,i'm miya";
}
public static void main(String[] args) {
new SpringApplicationBuilder(ConsulMiyaApplication.class).web(true).run(args);
}
}
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在其配置檔案application.yml指定consul服務的埠為8500:
spring:
cloud:
consul:
host: localhost
port: 8500
discovery:
healthCheckPath: ${management.contextPath}/health
healthCheckInterval: 15s
instance-id: consul-miya
application:
name: consul-miya
server:
port: 8502
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啟動工程,訪問localhost:8500,可以發現consul-miya被註冊了。