add imports and Cargo dependency for HTTP extractor

Author: jan-xyz

opentelemetry-instrumentation-tower/Cargo.toml

@@ -22,7 +22,7 @@ futures-util = { version = "0.3", default-features = false }
 http = { version = "1", features = ["std"], default-features = false }
 http-body = { version = "1", default-features = false }
 opentelemetry = { workspace = true, features = ["futures", "metrics", "trace"] }
-opentelemetry_sdk = { workspace = true, features = ["trace"] }
+opentelemetry-http = "0.31"
 opentelemetry-semantic-conventions = { workspace = true, features = ["semconv_experimental"] }
 pin-project-lite = { version = "0.2", default-features = false }
 tower-service = { version = "0.3", default-features = false }

opentelemetry-instrumentation-tower/src/lib.rs

@@ -16,7 +16,7 @@ use opentelemetry::metrics::{Histogram, MeterProvider, UpDownCounter};
 use opentelemetry::trace::{SpanKind, Status, TraceContextExt, Tracer, TracerProvider};
 use opentelemetry::Context as OtelContext;
 use opentelemetry::KeyValue;
-use opentelemetry_sdk::trace::SdkTracerProvider;
+use opentelemetry_http::HeaderExtractor;
 use opentelemetry_semantic_conventions as semconv;
 use pin_project_lite::pin_project;
 use tower_layer::Layer;