chore: add opentelemtry dependencies

🚀 chore(Cargo.toml): update dependencies and add optional tracing-opentelemetry feature
✨ feat(Cargo.toml): add opentelemetry and opentelemetry-jaeger dependencies as optional features
🚀 chore(Cargo.toml): update tracing and tracing-subscriber dependencies
The dependencies in the Cargo.toml file have been updated to their latest versions. The tracing-opentelemetry feature has been added as an optional feature to the dagger-core and dagger-sdk crates. The opentelemetry and opentelemetry-jaeger dependencies have been added as optional features to the dagger-sdk crate. This allows for the use of OpenTelemetry tracing in the application.

crates/dagger-sdk/Cargo.toml

@@ -20,6 +20,9 @@ serde_json = { workspace = true }
 tracing.workspace = true
 tracing-subscriber.workspace = true
 thiserror.workspace = true
+tracing-opentelemetry = { workspace = true, optional = true }
+opentelemetry = { workspace = true, optional = true }
+opentelemetry-jaeger = { workspace = true, optional = true }
 
 futures = "0.3.28"
 derive_builder = "0.12.0"
@@ -29,3 +32,11 @@ pretty_assertions = "1.3.0"
 rand = "0.8.5"
 genco = "0.17.3"
 tracing-test = "0.2.4"
+
+[features]
+default = ["otel"]
+otel = [
+  "dep:tracing-opentelemetry",
+  "dep:opentelemetry",
+  "dep:opentelemetry-jaeger",
+]

crates/dagger-sdk/src/logging.rs

@@ -1,11 +1,30 @@
 use dagger_core::logger::{DynLogger, Logger};
 use tracing::Level;
+use tracing_subscriber::layer::SubscriberExt;
+use tracing_subscriber::Registry;
 
 pub fn default_logging() -> eyre::Result<()> {
     tracing_subscriber::fmt().with_max_level(Level::INFO).init();
     Ok(())
 }
 
+#[cfg(feature = "otel")]
+pub fn otel_logging() -> eyre::Result<()> {
+    let tracer = opentelemetry_jaeger::new_agent_pipeline()
+        .with_service_name("dagger_sdk")
+        .install_simple()?;
+
+    // Create a tracing layer with the configured tracer
+    let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
+
+    // Use the tracing subscriber `Registry`, or any other subscriber
+    // that impls `LookupSpan`
+    let subscriber = Registry::default().with(telemetry);
+
+    tracing::subscriber::set_global_default(subscriber)?;
+    Ok(())
+}
+
 pub struct StdLogger {}
 
 impl Default for StdLogger {