k8s服务A内部调用服务B的方式

目录

• k8s服务A内部调用服务B的方式

k8s服务A内部调用服务B的方式

eg:https://iot.d.blueshark.com/dev/bike/maintain/info
内部：http://服务名称.名称空间:端口/服务内部接口
     http://bikesvc.sg-bs:8080/bike/maintain/clearAlert

func MaintainClearAlert(c *gin.Context) {
	type (
		In struct {
			Sn           string `json:"sn" binding:"required"`    
			Total        int    `json:"total" binding:"required"` 
			MaintainTime int64  `json:"maintainTime"`             // 时间
		}
	)
	var in In
	var out = &json.RawMessage{}
	if !qgin.CheckJsonParam(c, &in) {
		return
	}
	headers := map[string]string{"ts": fmt.Sprintf("%d", time.Now().Unix())}
	_, err := qhttp.PostJSON("http://bikesvc.sg-bs:8080/bike/maintain/clearAlert", headers, in, out)
	if err != nil {
		logrus.Error(err)
		return
	}
	c.JSON(http.StatusOK, out)
	return
}


func PostJSON(url string, headers map[string]string, body interface{}, result interface{}) (resp *http.Response, err error) {
	b, err := json.Marshal(body)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequest("POST", url, bytes.NewReader(b))
	if err != nil {
		return nil, err
	}
	if headers != nil {
		for k, v := range headers {
			req.Header.Add(k, v)
		}
	}
	rsp, err := QHTTPClient.Do(req)
	if err != nil {
		return nil, err
	}
	if result != nil { //if result != nil, try Unmarshal the body
		defer rsp.Body.Close()
		rspBody, err := ioutil.ReadAll(rsp.Body)
		if err != nil {
			return nil, err
		}
		err = json.Unmarshal(rspBody, result)
		if err != nil {
			return rsp, err
		}
	}
	return rsp, err
}