Add opentelemetry 0.20 (#111)

* Add opentelemetry 0.20

* Update github workflow

* clippy nit

src/lib.rs

@@ -26,6 +26,7 @@
 //! - `opentelemetry_0_17`: same as above but using `opentelemetry` 0.17;
 //! - `opentelemetry_0_18`: same as above but using `opentelemetry` 0.18;
 //! - `opentelemetry_0_19`: same as above but using `opentelemetry` 0.19;
+//! - `opentelemetry_0_20`: same as above but using `opentelemetry` 0.20;
 //! - `emit_event_on_error`: emit a [`tracing`] event when request processing fails with an error (enabled by default).
 //!
 //! ## Quickstart
@@ -293,7 +294,8 @@ pub mod root_span_macro;
     feature = "opentelemetry_0_16",
     feature = "opentelemetry_0_17",
     feature = "opentelemetry_0_18",
-    feature = "opentelemetry_0_19"
+    feature = "opentelemetry_0_19",
+    feature = "opentelemetry_0_20"
 ))]
 mod otel;
 
@@ -315,6 +317,9 @@ compile_error!("feature \"opentelemetry_0_13\" and feature \"opentelemetry_0_18\
 #[cfg(all(feature = "opentelemetry_0_13", feature = "opentelemetry_0_19"))]
 compile_error!("feature \"opentelemetry_0_13\" and feature \"opentelemetry_0_19\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_13", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_13\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_14", feature = "opentelemetry_0_15"))]
 compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_15\" cannot be enabled at the same time");
 
@@ -330,6 +335,9 @@ compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_18\
 #[cfg(all(feature = "opentelemetry_0_14", feature = "opentelemetry_0_19"))]
 compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_19\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_14", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_15", feature = "opentelemetry_0_16"))]
 compile_error!("feature \"opentelemetry_0_15\" and feature \"opentelemetry_0_16\" cannot be enabled at the same time");
 
@@ -342,6 +350,9 @@ compile_error!("feature \"opentelemetry_0_15\" and feature \"opentelemetry_0_18\
 #[cfg(all(feature = "opentelemetry_0_15", feature = "opentelemetry_0_19"))]
 compile_error!("feature \"opentelemetry_0_15\" and feature \"opentelemetry_0_19\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_15", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_15\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_16", feature = "opentelemetry_0_17"))]
 compile_error!("feature \"opentelemetry_0_16\" and feature \"opentelemetry_0_17\" cannot be enabled at the same time");
 
@@ -351,11 +362,23 @@ compile_error!("feature \"opentelemetry_0_16\" and feature \"opentelemetry_0_18\
 #[cfg(all(feature = "opentelemetry_0_16", feature = "opentelemetry_0_19"))]
 compile_error!("feature \"opentelemetry_0_16\" and feature \"opentelemetry_0_19\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_16", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_16\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_17", feature = "opentelemetry_0_18"))]
 compile_error!("feature \"opentelemetry_0_17\" and feature \"opentelemetry_0_18\" cannot be enabled at the same time");
 
 #[cfg(all(feature = "opentelemetry_0_17", feature = "opentelemetry_0_19"))]
 compile_error!("feature \"opentelemetry_0_17\" and feature \"opentelemetry_0_19\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_17", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_17\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_18", feature = "opentelemetry_0_19"))]
 compile_error!("feature \"opentelemetry_0_18\" and feature \"opentelemetry_0_19\" cannot be enabled at the same time");
+
+#[cfg(all(feature = "opentelemetry_0_18", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_18\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");
+
+#[cfg(all(feature = "opentelemetry_0_19", feature = "opentelemetry_0_20"))]
+compile_error!("feature \"opentelemetry_0_19\" and feature \"opentelemetry_0_20\" cannot be enabled at the same time");

src/middleware.rs

@@ -119,7 +119,7 @@ where
     fn new_transform(&self, service: S) -> Self::Future {
         ready(Ok(TracingLoggerMiddleware {
             service,
-            root_span_builder: std::marker::PhantomData::default(),
+            root_span_builder: std::marker::PhantomData,
         }))
     }
 }

src/otel.rs

@@ -14,6 +14,8 @@ use opentelemetry_0_17_pkg as opentelemetry;
 use opentelemetry_0_18_pkg as opentelemetry;
 #[cfg(feature = "opentelemetry_0_19")]
 use opentelemetry_0_19_pkg as opentelemetry;
+#[cfg(feature = "opentelemetry_0_20")]
+use opentelemetry_0_20_pkg as opentelemetry;
 
 #[cfg(feature = "opentelemetry_0_13")]
 use tracing_opentelemetry_0_12_pkg as tracing_opentelemetry;
@@ -29,6 +31,8 @@ use tracing_opentelemetry_0_17_pkg as tracing_opentelemetry;
 use tracing_opentelemetry_0_18_pkg as tracing_opentelemetry;
 #[cfg(feature = "opentelemetry_0_19")]
 use tracing_opentelemetry_0_19_pkg as tracing_opentelemetry;
+#[cfg(feature = "opentelemetry_0_20")]
+use tracing_opentelemetry_0_20_pkg as tracing_opentelemetry;
 
 use opentelemetry::propagation::Extractor;
 
@@ -65,14 +69,16 @@ pub(crate) fn set_otel_parent(req: &ServiceRequest, span: &tracing::Span) {
     #[cfg(not(any(
         feature = "opentelemetry_0_17",
         feature = "opentelemetry_0_18",
-        feature = "opentelemetry_0_19"
+        feature = "opentelemetry_0_19",
+        feature = "opentelemetry_0_20"
     )))]
     let trace_id = span.context().span().span_context().trace_id().to_hex();
 
     #[cfg(any(
         feature = "opentelemetry_0_17",
         feature = "opentelemetry_0_18",
-        feature = "opentelemetry_0_19"
+        feature = "opentelemetry_0_19",
+        feature = "opentelemetry_0_20"
     ))]
     let trace_id = {
         let id = span.context().span().span_context().trace_id();

src/root_span_macro.rs

@@ -162,7 +162,8 @@ pub mod private {
             feature = "opentelemetry_0_16",
             feature = "opentelemetry_0_17",
             feature = "opentelemetry_0_18",
-            feature = "opentelemetry_0_19"
+            feature = "opentelemetry_0_19",
+            feature = "opentelemetry_0_20"
         ))]
         crate::otel::set_otel_parent(req, span);
     }