add management interface and callback args optimization

pkg/common/http/http_client.go

@@ -29,22 +29,24 @@ func Get(url string) (response []byte, err error) {
 }
 
 //application/json; charset=utf-8
-func Post(url string, data interface{}, contentType string) (content []byte, err error) {
-	jsonStr, _ := json.Marshal(data)
+func Post(url string, data interface{}, timeOutSecond int) (content []byte, err error) {
+	jsonStr, err := json.Marshal(data)
+	if err != nil {
+		return nil, err
+	}
 	req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonStr))
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("content-type", contentType)
-	defer req.Body.Close()
+	req.Close = true
+	req.Header.Add("content-type", "application/json; charset=utf-8")
 
-	client := &http.Client{Timeout: 5 * time.Second}
+	client := &http.Client{Timeout: time.Duration(timeOutSecond) * time.Second}
 	resp, err := client.Do(req)
 	if err != nil {
 		return nil, err
 	}
 	defer resp.Body.Close()
-
 	result, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err