Function WipeMetricStore

handler/wipe.go:27–45

WipeMetricStore deletes all the metrics in MetricStore. The returned handler is already instrumented for Prometheus.

(
	ms storage.MetricStore,
	logger *slog.Logger)

//
// The returned handler is already instrumented for Prometheus.
func WipeMetricStore(
	ms storage.MetricStore,
	logger *slog.Logger) http.Handler {

	return InstrumentWithCounter(
		"wipe",
		http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
			w.WriteHeader(http.StatusAccepted)
			logger.Debug("start wiping metric store")
			// Delete all metric groups by sending write requests with MetricFamilies equal to nil.
			for _, group := range ms.GetMetricFamiliesMap() {
				ms.SubmitWriteRequest(storage.WriteRequest{
					Labels:    group.Labels,
					Timestamp: time.Now(),
				})
			}

		}))
}