eureka 集群调用和负载均衡

pom.xml

@@ -13,6 +13,7 @@
         <module>spring-cloud-config-client</module>
         <module>spring-cloud-eureka-server</module>
         <module>spring-cloud-eureka-client</module>
+        <module>spring-cloud-eureka-consumer</module>
 
     </modules>
 

readme.md

@@ -15,7 +15,8 @@
 - config-server : 8888
 - config-client : 8082
 - eureka-server : 8761，8762
-- eureka-client : 8083
+- eureka-client : 8083,8084,8085 （构建负载均衡集群）
+- eureka-consumer : 8086 （用来消费 eureka-client 提供的服务）
 
 
 ## 依赖说明 
@@ -28,4 +29,5 @@
 ## 文章链接
 
 > 1. [spring-cloud-config:分布式配置管理](http://www.xjtushilei.com/2017/06/12/spring-cloud-series-spring-cloud-config)
-> 2. [spring-cloud-eureka:服务注册与发现](http://www.xjtushilei.com/2017/06/13/spring-cloud-series-spring-cloud-eureka)
+> 2. [spring-cloud-eureka:服务注册与发现](http://www.xjtushilei.com/2017/06/13/spring-cloud-series-spring-cloud-eureka)
+> 3. [spring-cloud-eureka-consumer:远程服务调用和及其负载均衡](http://www.xjtushilei.com/2017/06/13/spring-cloud-series-spring-cloud-eureka-consumer)

spring-cloud-eureka-client/src/main/java/com/xjtushilei/HelloController.java

@@ -0,0 +1,21 @@
+package com.xjtushilei;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author shilei
+ * @Date 2017/6/12.
+ */
+@RestController
+public class HelloController {
+
+    @Value("${server.port}")
+    String port;
+
+    @RequestMapping("/hi")
+    public String hi() {
+        return port + " 端口为您服务！";
+    }
+}

spring-cloud-eureka-client/src/main/resources/application-peer1.properties

@@ -0,0 +1,3 @@
+server.port=8084
+spring.application.name=eureka-client-1
+eureka.client.service-url.defaultZone=http://peer1:8761/eureka/,http://peer2:8762/eureka/

spring-cloud-eureka-client/src/main/resources/application-peer2.properties

@@ -0,0 +1,3 @@
+server.port=8085
+spring.application.name=eureka-client-1
+eureka.client.service-url.defaultZone=http://peer1:8761/eureka/,http://peer2:8762/eureka/

spring-cloud-eureka-consumer/.gitignore

@@ -0,0 +1,24 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+.nb-gradle/

spring-cloud-eureka-consumer/pom.xml

@@ -0,0 +1,31 @@
+<?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.xjtushilei</groupId>
+    <artifactId>spring-cloud-eureka-consumer</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>spring-cloud-eureka-consumer</name>
+    <description>Demo project for Spring Boot</description>
+
+    <parent>
+        <groupId>com.xjtushilei</groupId>
+        <artifactId>spring-cloud-simple</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath/>
+    </parent>
+
+
+    <dependencies>
+        <!--远程调用-->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-feign</artifactId>
+        </dependency>
+    </dependencies>
+
+
+</project>

spring-cloud-eureka-consumer/src/main/java/com/xjtushilei/ConsumerController.java

@@ -0,0 +1,21 @@
+package com.xjtushilei;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author shilei
+ * @Date 2017/6/13.
+ */
+@RestController
+public class ConsumerController {
+
+    @Autowired
+    HelloRemoteInterface helloRemoteInterface;
+
+    @RequestMapping("/hello")
+    public String hello() {
+        return helloRemoteInterface.hi();
+    }
+}

spring-cloud-eureka-consumer/src/main/java/com/xjtushilei/HelloRemoteInterface.java

@@ -0,0 +1,17 @@
+package com.xjtushilei;
+
+import org.springframework.cloud.netflix.feign.FeignClient;
+import org.springframework.stereotype.Component;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * @author shilei
+ * @Date 2017/6/13.
+ */
+@Component
+@FeignClient(name = "eureka-client-1")
+public interface HelloRemoteInterface {
+
+    @RequestMapping(value = "/hi")
+    public String hi();
+}

spring-cloud-eureka-consumer/src/main/java/com/xjtushilei/SpringCloudEurekaConsumerApplication.java

@@ -0,0 +1,16 @@
+package com.xjtushilei;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
+import org.springframework.cloud.netflix.feign.EnableFeignClients;
+
+@SpringBootApplication
+@EnableEurekaClient
+@EnableFeignClients
+public class SpringCloudEurekaConsumerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringCloudEurekaConsumerApplication.class, args);
+    }
+}

spring-cloud-eureka-consumer/src/main/resources/application.yml

@@ -0,0 +1,11 @@
+server:
+  port: 8086
+
+spring:
+  application:
+    name: eureka-consumer
+
+eureka:
+  client:
+    service-url:
+      defaultZone: http://localhost:8761/eureka/

spring-cloud-eureka-server/src/main/resources/application-single.yml

@@ -0,0 +1,14 @@
+server:
+  port: 8761
+
+spring:
+  application:
+    name: eureka-server
+
+eureka:
+  instance:
+    lease-expiration-duration-in-seconds: 6
+    lease-renewal-interval-in-seconds: 2
+  client:
+    service-url:
+      defaultZone: http://localhost:8761/eureka/