JSON Convert Values for prometheus collector

* Fixes open-telemetry#2502
Arvind2222 · Apr 7, 2022 · 8f853af · 8f853af
1 parent f81381c
commit 8f853af
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/exporter/opentelemetry-exporter-prometheus/src/opentelemetry/exporter/prometheus/__init__.py b/exporter/opentelemetry-exporter-prometheus/src/opentelemetry/exporter/prometheus/__init__.py
@@ -63,6 +63,7 @@
 """
 
 import collections
+import json
 import logging
 import re
 from itertools import chain
@@ -157,7 +158,7 @@ def _translate_to_prometheus(
         label_keys = []
         for key, value in metric.attributes.items():
             label_keys.append(self._sanitize(key))
-            label_values.append(str(value))
+            label_values.append(json.dumps(value, default=str))
 
         metric_name = ""
         if self._prefix != "":