eureka client by golang
- Heartbeat
- Refresh（Only all applications）
-
Re-Register -
Refresh by delta
If the delta is disabled or if it is the first time, get all applications
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)
}
}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: