Skip to content

docs(tracing): document B3 propagation support in the Rust SDK #37569

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
duncanista wants to merge 1 commit into
base: master
Choose a base branch
from
+7 −3
Draft

docs(tracing): document B3 propagation support in the Rust SDK #37569

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions content/en/tracing/trace_collection/trace_context_propagation/_index.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -630,14 +630,16 @@ void SetHeaderValues(MessageHeaders headers, string name, string value)

The Datadog Rust SDK is built on the OpenTelemetry (OTel) SDK.

Trace context propagation is handled by the OTel SDK, which is configured by `datadog-opentelemetry` to support both `datadog` and `tracecontext` (W3C) formats.
Trace context propagation is handled by the OTel SDK, which is configured by `datadog-opentelemetry` to support `datadog`, `tracecontext` (W3C), and B3 formats.

### Supported formats

| Format | Configuration Value |
|---|---|
| [Datadog][1] | `datadog` |
| [W3C Trace Context][2] | `tracecontext` |
| [B3 Single][3] | `b3` |
| [B3 Multi][4] | `b3multi` |

### Configuration

Expand All @@ -646,8 +648,8 @@ You can control which propagation formats are used by setting the `DD_TRACE_PROP
For example:

```bash
# To support both W3C and Datadog
export DD_TRACE_PROPAGATION_STYLE="tracecontext,datadog"
# To support W3C, Datadog, and B3
export DD_TRACE_PROPAGATION_STYLE="tracecontext,datadog,b3multi,b3"
```

### Manual injection and extraction
Expand Down Expand Up @@ -751,6 +753,8 @@ async fn hyper_handler(req: Request<Incoming>) -> Response<Full<Bytes>> {

[1]: #datadog-format
[2]: https://www.w3.org/TR/trace-context/
[3]: https://github.com/openzipkin/b3-propagation#single-header
[4]: https://github.com/openzipkin/b3-propagation#multiple-headers

{{% /tab %}}

Expand Down
Loading