Sanitize prometheus labels

This fixes #2700
open-telemetry · Mar 16, 2021 · c6a8e8b · c6a8e8b
1 parent cadd84d
commit c6a8e8b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/exporter/prometheusexporter/collector.go b/exporter/prometheusexporter/collector.go
@@ -87,7 +87,7 @@ func (c *collector) getMetricMetadata(metric pdata.Metric, labels pdata.StringMa
 	values := make([]string, 0, labels.Len())
 
 	labels.ForEach(func(k string, v string) {
-		keys = append(keys, k)
+		keys = append(keys, sanitize(k))
 		values = append(values, v)
 	})