Function normalizeFloatsInLabelValues

model/textparse/openmetricsparse.go:774–782

normalizeFloatsInLabelValues ensures that values of the "le" labels of classic histograms and "quantile" labels of summaries follow OpenMetrics formatting rules.

(t model.MetricType, l, v string)

// normalizeFloatsInLabelValues ensures that values of the "le" labels of classic histograms and "quantile" labels
// of summaries follow OpenMetrics formatting rules.
func normalizeFloatsInLabelValues(t model.MetricType, l, v string) string {
	if (t == model.MetricTypeSummary && l == model.QuantileLabel) || (t == model.MetricTypeHistogram && l == model.BucketLabel) {
		f, err := strconv.ParseFloat(v, 64)
		if err == nil {
			return labels.FormatOpenMetricsFloat(f)
		}
	}
	return v
}