Handle empty stack (#205)

* Update otel_telemetry.erl * Add debug log (#204)
2023-09-12 19:28:53 -06:00 · 2023-09-12 19:28:53 -06:00 · 596fcbc2cb
parent 6a143eeccf
commit 596fcbc2cb
1 changed files with 5 additions and 1 deletions
--- a/utilities/opentelemetry_telemetry/src/otel_telemetry.erl
+++ b/utilities/opentelemetry_telemetry/src/otel_telemetry.erl
@ -100,7 +100,11 @@ peek_from_tracer_stack(TracerId) ->
        undefined ->
            undefined;
        [SpanCtxSet | _Rest] ->
-            SpanCtxSet
+            SpanCtxSet;
+        [] ->
+            ?LOG_DEBUG("`opentelemetry_telemetry` span ctx tracer stack for "
+                       "TracerId ~p in Pid ~p is empty.", [TracerId, self()]),
+            undefined
    end.

 -spec pop_ctx(atom(), telemetry:event_metadata()) -> ctx_set().