Damien Mathieu

OpenTelemetry support

17

## What this PR does / why we need it: This PR adds support for OpenTelemetry (using [the official plugin](https://github.com/open-telemetry/opentelemetry-cpp-contrib/tree/main/instrumentation/nginx)), to send request traces to any otel collector. This is...

Observability with OpenTelemetry

5

## Description This PR proposes to make middleware requests observable by instrumenting them with OpenTelemetry. Here is an example of a trace with this PR applied. Note: there is way...

Proposal: GitHub self-hosted runners for specific use cases

1

The OpenTelemetry Go SIG has benchmark tests that we currently run manually when need, but would like to run automatically. We used to run those benchmark tests using GH Actions....

Should we have expert, or generalist handlers?

7

## Background Right now, our handlers are generalists. They perform both tracing and metrics (with some/most handlers only doing tracing). This is introducing some logic duplication in those specific bits...

Proposal: clarify behavior when retrieving non-existent currently active span

13

For languages that provide an implicitly propagated Context, the API should provide a way to retrieve the currently active span. See https://github.com/open-telemetry/opentelemetry-specification/blob/2cfad37daf7e0d20851fd8a639a55375c3fc93dd/specification/trace/api.md#context-interaction However, I am seeing a divergence in behaviours...

feat: add public_endpoint option to rack middleware

3

Public endpoints may receive requests that include an external `traceparent` header, making the SDK believe there is a parent span, when that span will never be found in the system,...

Inconsistency between X_ENDPOINT and WithEndpoint

2

### Description When using the OTLP exporter, the `WithEndpoint` option requires an hostname, without the protocol. However, the `X_ENDPOINT` environment variables requires an endpoint, including the protocol. This can be...

Document use of NewSchemaless vs NewWithAttributes

5

This issue is an extraction of the discussion in #4846. We should provide a documentation of the usage of `resource.NewSchemaless` vs `resource.NewWithAttributes`, the pros and cons of both approaches and...

Fix httpconv changes in docs from semconv 1.17 to 1.20

2

#4320 upgraded semconv in otelhttp from 1.17.0 to 1.20.0, which has breaking changes: * `EnduserIDKey` has been removed. * `HTTPFlavorKey` has been removed. * `HTTPUserAgentKey` has been renamed to `UserAgentOriginalKey`....

Better tests for auth/registrations#update

1

`RegistrationsController#update` is not a `POST`, and running it with no parameters at all didn't test much.