[spec] add environment variables as context propagators specification #4454
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kamphaus
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Co-authored-by: Christophe Kamphaus <christophe.kamphaus@gmail.com>
reyang
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Co-authored-by: Reiley Yang <reyang@microsoft.com> Co-authored-by: Christophe Kamphaus <christophe.kamphaus@gmail.com>
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LGTM, I have a comment https://github.com/open-telemetry/opentelemetry-specification/pull/4454/files#r2015053822 which can be covered in a follow up PR.
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This was referenced Apr 2, 2025
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### Context - Add context propagation through Environment Variables specification. ([#4454](#4454)) - On Propagators API, stabilize `GetAll` on the `TextMap` Extract. ([#4472](#4472)) ### Traces - Define sampling threshold field in OpenTelemetry TraceState; define the behavior of TraceIdRatioBased sampler in terms of W3C Trace Context Level 2 randomness. ([#4166](#4166)) ### Metrics - Clarify SDK behavior for Instrument Advisory Parameter. ([#4389](#4389)) ### Logs - Add `Enabled` opt-in operation to the `LogRecordProcessor`. ([#4439](#4439)) - Stabilize `Logger.Enabled`. ([#4463](#4463)) - Stabilize `EventName`. ([#4475](#4475)) ### Baggage - Add context (baggage) propagation through Environment Variables specification. ([#4454](#4454)) ### Resource - Add Datamodel for Entities. ([#4442](#4442)) ### SDK Configuration - Convert declarative config env var substitution syntax to ABNF. ([#4448](#4448)) - List declarative config supported SDK extension plugin interfaces. ([#4452](#4452)) --------- Co-authored-by: Armin Ruech <7052238+arminru@users.noreply.github.com>
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With this it should be possible to keep track of performance issues also when called from wrapper tools. This tries to adhere to the environment specification laid out in open-telemetry/opentelemetry-specification#4454
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* feat: Add OpenTelemetry tracing support With this it should be possible to keep track of performance issues also when called from wrapper tools. This tries to adhere to the environment specification laid out in open-telemetry/opentelemetry-specification#4454 * Add spans to core paths * Add docs * Remove too noisy span on jsonnet.Evaluate * Remove spans on the loader level to reduce noise * Reduce noise further * Improve consistency
This was referenced Sep 16, 2025
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Fixes #4323 #740
Changes
Add the specification for context and baggage propagation using environment variables as context propagators.
CHANGELOG.mdfile updated for non-trivial changes