Merge pull request #16 from pnagurny/enhance/logger-elapsed-time

add elapsed time to logger

core/api/logger.go

@@ -32,6 +32,7 @@ func (mw *LoggerMiddleware) MiddlewareFunc(h rest.HandlerFunc) rest.HandlerFunc
 		message = message + " " + getStatus(r)
 		message = message + " " + getBytes(r)
 		message = message + " " + getUserAgent(r)
+		message = message + " " + getElapsedTime(r)
 
 		mw.Logger.Print(message)
 	}
@@ -63,6 +64,13 @@ func getTime(r *rest.Request) string {
 	return "-"
 }
 
+func getElapsedTime(r *rest.Request) string {
+	if r.Env["ELAPSED_TIME"] != nil {
+		return r.Env["ELAPSED_TIME"].(*time.Duration).String()
+	}
+	return "-"
+}
+
 func getRequest(r *rest.Request) string {
 	return r.Method + " " + r.URL.RequestURI()
 }