create_volume.go

package api

import (

    "net/http"

    "io/ioutil"

    "errors"

    "fmt"

)

//创建存储空间

func CreateVolume(host string, port int, vid uint64) error {

    url := fmt.Sprintf("http://%s:%d/%d/", host, port, vid)

    resp, err := http.Post(url, "text/plain", nil)

    if err != nil {

        return err

    }

    defer resp.Body.Close()

    if resp.StatusCode == http.StatusCreated {

        return nil

    }else {

        body, err := ioutil.ReadAll(resp.Body)

        if err != nil {

            return err

        }

        return errors.New(string(body))

    }

}