Function createMetricsHandler

modules/metrics/metrics.go:115–126

(logger promhttp.Logger, enableOpenMetrics bool, registry *prometheus.Registry)

)

func createMetricsHandler(logger promhttp.Logger, enableOpenMetrics bool, registry *prometheus.Registry) http.Handler {
	return promhttp.InstrumentMetricHandler(registry,
		promhttp.HandlerFor(registry, promhttp.HandlerOpts{
			// will only log errors if logger is non-nil
			ErrorLog: logger,

			// Allow OpenMetrics format to be negotiated - largely compatible,
			// except quantile/le label values always have a decimal.
			EnableOpenMetrics: enableOpenMetrics,
		}),
	)
}