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@sl0thentr0py sl0thentr0py commented Dec 11, 2025

Description

  • bail out of iter_trace_propagation_headers if we have an external_propagation_context
  • handle outgoing headers as best as possible based on just the available SpanContext from otel
  • NOTE for baggage:
    • is correctly passed through in the incoming case
    • but for the head SDK, we cannot populate it in a persistent way across the span tree (no transaction concept)
    • so dynamic sampling with OTLP is out of scope right now

Issues

@sl0thentr0py sl0thentr0py force-pushed the neel/otlp-outgoing-propagator branch 3 times, most recently from 7f7d432 to 042f445 Compare December 12, 2025 15:18
@sl0thentr0py sl0thentr0py marked this pull request as ready for review December 12, 2025 15:18
@sl0thentr0py sl0thentr0py requested a review from a team as a code owner December 12, 2025 15:18
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linear bot commented Dec 12, 2025

* bail out of `iter_trace_propagation_headers` if we have an
  `external_propagation_context`
* handle outgoing headers as best as possible based on just the
  available `SpanContext` from otel
* NOTE for baggage:
  * is correctly passed through in the incoming case
  * but for the head SDK, we cannot populate it in a persistent way
    across the span tree (no transaction concept)
  * so dynamic sampling with OTLP is out of scope right now
@sl0thentr0py sl0thentr0py force-pushed the neel/otlp-outgoing-propagator branch from 042f445 to e461506 Compare December 12, 2025 15:30
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Apply external_propagation_context in Propagator.inject

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