【Eureka】集群搭建
转载
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hosts
127.0.0.1 peer1
127.0.0.1 peer2
127.0.0.1 peer3
服务端
<?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>2.1.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>ycx</groupId>
<artifactId>eureka-service</artifactId>
<version>0.0.1</version>
<name>eureka-service</name>
<description>Demo project for Spring Boot</description> <properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR3</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-starter-netflix-eureka-server</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>
</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>
启动类
package ycx.eureka;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;@EnableEurekaServer
@SpringBootApplication
public class EurekaServiceApplication { public static void main(String[] args) {
SpringApplication.run(EurekaServiceApplication.class, args);
}}
配置
application.properties
spring.application.name=eureka-service
eureka.client.serviceUrl.defaultZone=http://peer1:8761/eureka/,http://peer2:8762/eureka/,http://peer3:8763/eureka/
application-peer1.properties
server.port=8761
spring.profiles=peer1
eureka.instance.hostname=peer1
application-peer2.properties
server.port=8762
spring.profiles=peer2
eureka.instance.hostname=peer2
application-peer3.properties
server.port=8763
spring.profiles=peer3
eureka.instance.hostname=peer3
启动参数指定不同的profile
客户端
<?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>2.1.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>ycx</groupId>
<artifactId>eurekaclient-service</artifactId>
<version>0.0.1</version>
<name>eurekaclient-service</name>
<description>Demo project for Spring Boot</description> <properties>
<java.version>1.8</java.version>
<spring-cloud.version>Greenwich.SR3</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-starter-netflix-eureka-client</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>
</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>
启动类
package ycx.eurekaclient;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import java.util.HashMap;
import java.util.Map;@EnableEurekaClient
@SpringBootApplication
@RestController
public class EurekaclientServiceApplication { public static void main(String[] args) {
SpringApplication.run(EurekaclientServiceApplication.class, args);
} @RequestMapping("/")
public Map<String, Object> home() {
Map<String, Object> result = new HashMap<>();
result.put("status", 200);
result.put("message", "OK");
result.put("data", "client-service");
return result;
}
}
配置
application.properties
server.port=9904
spring.application.name=eurekaclient-service
eureka.instance.prefer-ip-address=true
eureka.instance.instance-id=${spring.application.name}:${random.uuid}
eureka.instance.lease-renewal-interval-in-seconds=5
eureka.instance.lease-expiration-duration-in-seconds=10
eureka.client.registry-fetch-interval-seconds=5
eureka.client.serviceUrl.defaultZone=http://peer1:8761/eureka,http://peer2:8762/eureka,http://peer3:8763/eureka
