diff options
Diffstat (limited to 'tvix/tracing/src/propagate')
| -rw-r--r-- | tvix/tracing/src/propagate/mod.rs | 4 | ||||
| -rw-r--r-- | tvix/tracing/src/propagate/reqwest.rs | 13 |
2 files changed, 15 insertions, 2 deletions
diff --git a/tvix/tracing/src/propagate/mod.rs b/tvix/tracing/src/propagate/mod.rs index 42c532e9d8cf..9a7e4332b637 100644 --- a/tvix/tracing/src/propagate/mod.rs +++ b/tvix/tracing/src/propagate/mod.rs @@ -1,8 +1,8 @@ #[cfg(feature = "tonic")] pub mod tonic; -// TODO: Helper library for reqwest. We could use -// https://github.com/TrueLayer/reqwest-middleware/tree/main/reqwest-tracing to realise this +#[cfg(feature = "reqwest")] +pub mod reqwest; // TODO: Helper library for axum or another http server, see // https://github.com/hseeberger/hello-tracing-rs/blob/main/hello-tracing-common/src/otel/http.rs diff --git a/tvix/tracing/src/propagate/reqwest.rs b/tvix/tracing/src/propagate/reqwest.rs new file mode 100644 index 000000000000..e2afb3e948c7 --- /dev/null +++ b/tvix/tracing/src/propagate/reqwest.rs @@ -0,0 +1,13 @@ +use reqwest_tracing::{SpanBackendWithUrl, TracingMiddleware}; + +/// Returns a new tracing middleware which can be used with reqwest_middleware. +/// It will then write the `traceparent` in the header on the request and additionally records the +/// `url` into `http.url`. +/// +/// If otlp feature is disabled, this will not insert a `traceparent` into the header. It will +/// basically function as a noop. +/// +/// `traceparent` => https://www.w3.org/TR/trace-context/#trace-context-http-headers-format +pub fn tracing_middleware() -> TracingMiddleware<SpanBackendWithUrl> { + TracingMiddleware::<SpanBackendWithUrl>::new() +} |