Files
codex/codex-rs/core/tests/common/tracing.rs
Owen Lin 20f2a216df feat(core, tracing): create turn spans over websockets (#14632)
## Description

Dependent on:
- [responsesapi] https://github.com/openai/openai/pull/760991 
- [codex-backend] https://github.com/openai/openai/pull/760985

`codex app-server -> codex-backend -> responsesapi` now reuses a
persistent websocket connection across many turns. This PR updates
tracing when using websockets so that each `response.create` websocket
request propagates the current tracing context, so we can get a holistic
end-to-end trace for each turn.

Tracing is propagated via special keys (`ws_request_header_traceparent`,
`ws_request_header_tracestate`) set in the `client_metadata` param in
Responses API.

Currently tracing on websockets is a bit broken because we only set
tracing context on ws connection time, so it's detached from a
`turn/start` request.
2026-03-19 03:41:06 +00:00

27 lines
892 B
Rust

use opentelemetry::global;
use opentelemetry::trace::TracerProvider as _;
use opentelemetry_sdk::propagation::TraceContextPropagator;
use opentelemetry_sdk::trace::SdkTracerProvider;
use tracing::dispatcher::DefaultGuard;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::util::SubscriberInitExt;
pub struct TestTracingContext {
_provider: SdkTracerProvider,
_guard: DefaultGuard,
}
pub fn install_test_tracing(tracer_name: &str) -> TestTracingContext {
global::set_text_map_propagator(TraceContextPropagator::new());
let provider = SdkTracerProvider::builder().build();
let tracer = provider.tracer(tracer_name.to_string());
let subscriber =
tracing_subscriber::registry().with(tracing_opentelemetry::layer().with_tracer(tracer));
TestTracingContext {
_provider: provider,
_guard: subscriber.set_default(),
}
}