util/tracing: remove fallbacks for OTEL_TRACE_PARENT, OTEL_TRACE_STATE - #6874
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The OTEL_TRACE_PARENT and OTEL_TRACE_STATE environment variables were deprecated in BuildKit v0.10 (f5dbcf6) because they were deprecated in the OTel specification in favor of the TRACEPARENT and TRACESTATE env-vars, aligning with the [W3C traceparent] and [W3C tracestate] headers. [W3C traceparent]: https://www.w3.org/TR/trace-context/#traceparent-header [W3C tracestate]: https://www.w3.org/TR/trace-context/#tracestate-header Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
tonistiigi
approved these changes
Jun 23, 2026
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Relates to:
util/tracing: remove fallbacks for OTEL_TRACE_PARENT, OTEL_TRACE_STATE
The OTEL_TRACE_PARENT and OTEL_TRACE_STATE environment variables were deprecated in BuildKit v0.10 (f5dbcf6) because they were deprecated in the OTel specification in favor of the TRACEPARENT and TRACESTATE env-vars, aligning with the W3C traceparent and W3C tracestate headers.