func (s *Server) handler() http.Handler {
handlerFunc := func(w http.ResponseWriter, r *http.Request) {
tid := uuid.NewV4().String()
cLog := s.log.WithFields(logrus.Fields{"tid": tid})
cLog.WithFields(logrus.Fields{"method": r.Method, "uri": helpers.SanitizeURL(r.URL)}).Info("request started")
r = keys.SetLog(r, cLog)
defer func() {
cLog.Info("request ended")
// Catch panic and return 500 with corresponding tid for debugging
var err error
r := recover()
if r != nil {
switch t := r.(type) {
case string:
err = errors.New(t)
case error:
err = t
default:
err = errors.New(fmt.Sprintln(r))
}
trace := make([]byte, 2048)
count := runtime.Stack(trace, true)
cLog.Error(fmt.Sprintf("recover from panic: %s\nstack of %d bytes: %s\n", err.Error(), count, trace))
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(tid))
return
}
}()
s.router.ServeHTTP(w, r)
}
return http.HandlerFunc(handlerFunc)
}
func (r *ErrorResponse) Error() string {
return fmt.Sprintf("%v %s: %d (%s)",
r.Response.Request.Method, helpers.SanitizeURL(r.Response.Request.URL),
r.Response.StatusCode, r.Err.Error())
}
func (r *Response) String() string {
return fmt.Sprintf("%v %v: %d",
r.Response.Request.Method, helpers.SanitizeURL(r.Response.Request.URL),
r.Response.StatusCode)
}