fix: export Resource attributes for metrics and traces - #63
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inge4pres merged 1 commit intoAug 17, 2026
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The SDK parsed OTEL_SERVICE_NAME and OTEL_RESOURCE_ATTRIBUTES and built a resource on both TracerProvider and MeterProvider, but neither the trace nor the metrics OTLP exporter attached it to the exported payload. Spans and metrics reached the collector with no resource, so backends could not identify the emitting service: traces appears in Jaeger under missing-service-name and target_info could not be produced for metrics. Carry the provider's resource on the exported data the way logs already do. Also, extract resourceToProtobuf in the metrics exporter so the conversion can be tested without performing an HTTP export, matching the existing separation between spansToOTLPRequest and exportSpans on the trace side. Fixes open-telemetry#62
inge4pres
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Aug 17, 2026
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| if (resource) |attrs| { | ||
| try kvs.ensureTotalCapacityPrecise(allocator, attrs.len); | ||
| for (attrs) |attr| { | ||
| kvs.appendAssumeCapacity(try attributeToProtobuf(allocator, attr)); | ||
| } | ||
| } | ||
| return kvs; |
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The SDK parsed OTEL_SERVICE_NAME and OTEL_RESOURCE_ATTRIBUTES and built a resource on both TracerProvider and MeterProvider, but neither the trace nor the metrics OTLP exporter attached it to the exported payload. Spans and metrics reached the collector with no resource, so backends could not identify the emitting service, traces appears in Jaeger under missing-service-name.
Carry the provider's resource on the exported data the way logs already do.
Also, extract resourceToProtobuf in the metrics exporter so the conversion can be tested without performing an HTTP export, matching the existing separation between spansToOTLPRequest and exportSpans on the trace side.
Fixes #62
after the fix