fix(deps): missing tonic dependency on tls

FIX #234

Author: davidB

examples/bug_234_tls/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+name = "bug_234_tls"
+version = "0.1.0"
+edition = "2021"
+authors.workspace = true
+license.workspace = true
+homepage.workspace = true
+repository.workspace = true
+rust-version.workspace = true
+
+[dependencies]
+axum = { workspace = true, default-features = true }
+axum-tracing-opentelemetry = { path = "../../axum-tracing-opentelemetry" }
+tokio = { version = "1", features = ["full"] }
+tracing = { version = "0.1", features = ["log"] }
+tracing-subscriber = { version = "0.3.19", features = ["env-filter", "std"] }
+init-tracing-opentelemetry = { path = "../../init-tracing-opentelemetry", features = [
+    "otlp",
+    "tracing_subscriber_ext",
+    "tls",
+] }
+tracing-opentelemetry-instrumentation-sdk = { path = "../../tracing-opentelemetry-instrumentation-sdk", features = [
+    "http",
+] }
+# opentelemetry = { version = "0.29.1", features = ["metrics"] }

examples/bug_234_tls/src/main.rs

@@ -0,0 +1,18 @@
+use axum::{response::Html, routing::get, Router};
+
+#[tokio::main]
+async fn main() {
+    // build our application with a route
+    let app = Router::new().route("/", get(handler));
+
+    // run it
+    let listener = tokio::net::TcpListener::bind("127.0.0.1:3000")
+        .await
+        .unwrap();
+    println!("listening on {}", listener.local_addr().unwrap());
+    axum::serve(listener, app).await.unwrap();
+}
+
+async fn handler() -> Html<&'static str> {
+    Html("<h1>Hello, World!</h1>")
+}

init-tracing-opentelemetry/Cargo.toml

@@ -70,7 +70,7 @@ tracer = ["dep:opentelemetry-semantic-conventions"]
 xray = ["dep:opentelemetry-aws"]
 zipkin = ["dep:opentelemetry-zipkin"]
 tracing_subscriber_ext = ["dep:tracing-subscriber", "otlp"]
-tls = ["opentelemetry-otlp/tls"]
+tls = ["opentelemetry-otlp/tls", "tonic"]
 tls-roots = ["opentelemetry-otlp/tls-roots"]
 tls-webpki-roots = ["opentelemetry-otlp/tls-webpki-roots"]
 logfmt = ["dep:tracing-logfmt"]

init-tracing-opentelemetry/src/otlp.rs

@@ -26,7 +26,7 @@ where
         Some("grpc/tls") => Some(
             SpanExporter::builder()
                 .with_tonic()
-                .with_tls_config(ClientTlsConfig::new().with_native_roots())
+                .with_tls_config(ClientTlsConfig::new().with_enabled_roots())
                 .build()?,
         ),
         Some("grpc") => Some(SpanExporter::builder().with_tonic().build()?),