httpbucket.go

package main

import (
	"fmt"
	"net/http"
	"io/ioutil"
)

func main() {
	httpObjectUsedToSendHttpRequest := &http.Client{}
	getRequestToBeSent, err := http.NewRequest("GET", "http://metadata/computeMetadata/v1/instance/service-accounts/default/token", nil)
	if err != nil {
		panic(err.Error())
	}
	getRequestToBeSent.Header.Set("Metadata-Flavor", " Google")
	response, err := httpObjectUsedToSendHttpRequest.Do(getRequestToBeSent)
	if err != nil {
		panic(err.Error())
	}

	if err != nil {
		panic(err.Error())

	} else {
		defer response.Body.Close()
		contents, err := ioutil.ReadAll(response.Body)
		if err != nil {
			panic(err.Error())

		}
		fmt.Printf("%s\n", string(contents))
	}
}