redwarn / eureka-client

eureka client by golang

Eureka-Client

eureka client by golang

Features

• Heartbeat
• Refresh（Only all applications）

Todo

• Re-Register

• Refresh by delta

If the delta is disabled or if it is the first time, get all applications

Example

package main

import (
	"encoding/json"
	"fmt"
	"net/http"

	eureka "github.com/xuanbo/eureka-client"
)

func main() {
	// create eureka client
	client := eureka.NewClient(&eureka.Config{
		DefaultZone:           "http://127.0.0.1:8080/eureka/",
		App:                   "go-example",
		Port:                  10000,
		RenewalIntervalInSecs: 10,
		DurationInSecs:        30,
		Metadata: map[string]interface{}{
			"VERSION":              "0.1.0",
			"NODE_GROUP_ID":        0,
			"PRODUCT_CODE":         "DEFAULT",
			"PRODUCT_VERSION_CODE": "DEFAULT",
			"PRODUCT_ENV_CODE":     "DEFAULT",
			"SERVICE_VERSION_CODE": "DEFAULT",
		},
	})
	// start client, register、heartbeat、refresh
	client.Start()

	// http server
	http.HandleFunc("/services", func(writer http.ResponseWriter, request *http.Request) {
		// full applications from eureka server
		apps := client.Applications

		b, _ := json.Marshal(apps)
		_, _ = writer.Write(b)
	})

	// start http server
	if err := http.ListenAndServe(":10000", nil); err != nil {
		fmt.Println(err)
	}
}

examples

Test

I use spring-cloud-starter-netflix-eureka-server in Java.

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
    <version>2.1.0.RELEASE</version>
</dependency>

The code is as follows:

spring-cloud-v2