another bash at this, and revert changes made in 0.1.1

Cargo.toml

@@ -17,15 +17,16 @@ axum = ["dep:axum", "dep:tokio", "dep:axum-tracing-opentelemetry"]
 
 [dependencies]
 axum = { version = "^0.6.10", optional = true }
-axum-tracing-opentelemetry = { version = "^0.14.1", optional = true }
+axum-tracing-opentelemetry = { version = "0.18.0", optional = true }
 chrono = "^0.4.24"
-opentelemetry = { version = "^0.20.0", features = ["rt-tokio"] }
-opentelemetry-datadog = "^0.8.0"
-opentelemetry-otlp = { version = "^0.13.0" }
+opentelemetry = { version = "0.22.0" }
+opentelemetry-datadog = "0.10.0"
+opentelemetry-otlp = { version = "0.15.0" , features = ["tls-roots"]}
+opentelemetry_sdk = { version = "0.22.0", features = ["rt-tokio"] }
 serde = { version = "^1.0.156", features = ["derive"] }
 serde_json = "^1.0.95"
 tokio = { version = "^1.26.0", features = ["signal"], optional = true }
 tracing = "^0.1.37"
-tracing-opentelemetry = "^0.21.0"
+tracing-opentelemetry = "0.23.0"
 tracing-serde = "^0.1.3"
 tracing-subscriber = { version = "^0.3.16", features = ["env-filter", "json"] }

src/formatter.rs

@@ -8,6 +8,7 @@
 use std::io;
 
 use chrono::Utc;
+use opentelemetry::trace::TraceContextExt;
 use opentelemetry::trace::{SpanId, TraceId};
 use serde::ser::{SerializeMap, Serializer as _};
 use serde::Serialize;
@@ -45,7 +46,7 @@ where
     S: Subscriber + for<'a> LookupSpan<'a>,
 {
     span_ref.extensions().get::<OtelData>().map(|o| TraceInfo {
-        trace_id: o.builder.trace_id.unwrap_or(TraceId::INVALID).into(),
+        trace_id: o.parent_cx.span().span_context().trace_id().into(),
         span_id: o.builder.span_id.unwrap_or(SpanId::INVALID).into(),
     })
 }

src/tracer.rs

@@ -4,11 +4,11 @@
 //! to send traces to the Datadog agent in batches over gRPC.
 //!
 //! It also contains a convenience function to build a layer with the tracer.
-use opentelemetry::sdk::trace::{RandomIdGenerator, Sampler, Tracer};
-use opentelemetry::sdk::{trace, Resource};
 pub use opentelemetry::trace::{TraceError, TraceResult};
 use opentelemetry::KeyValue;
 use opentelemetry_otlp::WithExportConfig;
+use opentelemetry_sdk::trace::{RandomIdGenerator, Sampler, Tracer};
+use opentelemetry_sdk::{trace, Resource};
 use std::time::Duration;
 use tracing::Subscriber;
 use tracing_opentelemetry::{OpenTelemetryLayer, PreSampledTracer};
@@ -18,7 +18,6 @@ pub fn build_tracer(service_name: &str) -> TraceResult<Tracer> {
     let exporter = opentelemetry_otlp::new_exporter()
         .tonic()
         .with_timeout(Duration::from_secs(3));
-
     opentelemetry_otlp::new_pipeline()
         .tracing()
         .with_trace_config(
@@ -31,7 +30,7 @@ pub fn build_tracer(service_name: &str) -> TraceResult<Tracer> {
                 .with_id_generator(RandomIdGenerator::default()),
         )
         .with_exporter(exporter)
-        .install_batch(opentelemetry::runtime::Tokio)
+        .install_batch(opentelemetry_sdk::runtime::Tokio)
 }
 
 pub fn build_layer<S>(service_name: &str) -> TraceResult<OpenTelemetryLayer<S, Tracer>>