traceparent injection into headers

common/bin-common/src/opentelemetry/context.rs

@@ -4,6 +4,7 @@ use opentelemetry::trace::{SpanContext, TraceContextExt, TraceId};
 use opentelemetry_sdk::{propagation::TraceContextPropagator, trace::IdGenerator};
 use tracing_opentelemetry::OpenTelemetrySpanExt;
 use std::collections::HashMap;
+use std::fmt::Display;
 
 /// Make a Carrier for context propagation
 pub struct ContextCarrier {
@@ -76,6 +77,12 @@ impl Extractor for ContextCarrier {
     }
 }
 
+impl Display for ContextCarrier {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.data)
+    }
+}
+
 pub struct ManualContextPropagator {
     pub root_span: tracing::Span,
     pub trace_id: TraceId,

common/http-api-client/src/lib.rs

@@ -979,14 +979,10 @@ impl ApiClientCore for Client {
         // if opentelemetry is activated add the current trace context to the request
         // TODO featurize opentelemetry
         use opentelemetry::Context;
-        use opentelemetry::propagation::TextMapPropagator;
-        use opentelemetry_sdk::propagation::TraceContextPropagator;
         use nym_bin_common::opentelemetry::context::ContextCarrier;
 
-        let context = Context::current();
-        let propagator = TraceContextPropagator::new();
-        let mut carrier = ContextCarrier::new_empty();
-        propagator.inject_context(&context, &mut carrier);
+        let carrier = ContextCarrier::new_with_current_context(Context::current());
+
         if let Some(traceparent) = carrier.extract_traceparent() {
             if let Ok(header_value) = HeaderValue::from_str(&traceparent) {
                 req.headers_mut()