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Specify the initial propagators requirements. #735

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merged 8 commits into from
Aug 5, 2020
Merged

Specify the initial propagators requirements. #735

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f192f26
Specify the initial propagators requirements.
carlosalberto Jul 24, 2020
62836a6
Do not require the SDK to include the B3 protocol.
carlosalberto Jul 27, 2020
3b1c0da
Update specification/trace/api.md
carlosalberto Jul 27, 2020
0f7cc66
Update specification/correlationcontext/api.md
carlosalberto Jul 27, 2020
fd44e8a
Remove the CorrelationContext propagator requirement.
carlosalberto Jul 29, 2020
837897c
Make TraceContext optional in the API.
carlosalberto Jul 30, 2020
e7abd4a
Update the propagators location.
carlosalberto Aug 5, 2020
373a228
Fix typo.
carlosalberto Aug 5, 2020
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12 changes: 12 additions & 0 deletions specification/context/api-propagators.md
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Expand Up @@ -21,6 +21,7 @@ Table of Contents
- [Get](#get)
- [Composite Propagator](#composite-propagator)
- [Global Propagators](#global-propagators)
- [Propagators Distribution](#propagators-distribution)

</details>

Expand Down Expand Up @@ -266,3 +267,14 @@ Sets the global `Propagator` instance.
Required parameters:

- A `Propagator`. This usually will be a composite instance.

## Propagators Distribution

`Propagator`s implementing officially supported protocols such as
[B3 Propagation Specification](https://github.com/openzipkin/b3-propagation)
MUST be maintained by the OpenTelemetry organization and MUST be distributed as
OpenTelemetry extension packages.

Additional `Propagator`s implementing vendor-specific protocols such as
AWS X-Ray trace header protocol are encouraged to be maintained and distributed by
their respective vendors.
1 change: 1 addition & 0 deletions specification/correlationcontext/api.md
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Expand Up @@ -136,3 +136,4 @@ otcorrelations: user=foo%40example.com,name=Example%20Name

If a new name/value pair is added and its name is the same as an existing name, than the new pair MUST take precedence. The value
is replaced with the added value (regardless if it is locally generated or received from a remote peer).

7 changes: 7 additions & 0 deletions specification/trace/api.md
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Expand Up @@ -35,6 +35,7 @@ Table of Contents
* [GetIsOk](#getisok)
* [SpanKind](#spankind)
* [Concurrency](#concurrency)
* [Included Propagators](#included-propagators)

</details>

Expand Down Expand Up @@ -687,3 +688,9 @@ implementer of these events.
**Link** - Links are immutable and is safe to be used concurrently. Lazy
initialized links must be thread safe. This is the responsibility of the
implementer of these links.

## Included Propagators

The API layer MAY include the following `Propagator`s:

* A `HTTPTextPropagator` implementing the [W3C TraceContext Specification](https://www.w3.org/TR/trace-context/).
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