feat: Replace Jaeger with OTLP

src/core/config/mod.rs

@@ -714,12 +714,21 @@ pub struct Config {
 	#[serde(default)]
 	pub well_known: WellKnownConfig,
 
-	#[serde(default)]
-	pub allow_jaeger: bool,
+	/// Enable OpenTelemetry OTLP tracing export. This replaces the deprecated
+	/// Jaeger exporter. Traces will be sent via OTLP to a collector (such as
+	/// Jaeger) that supports the OpenTelemetry Protocol.
+	///
+	/// Configure your OTLP endpoint using the OTEL_EXPORTER_OTLP_ENDPOINT
+	/// environment variable (defaults to http://localhost:4318).
+	#[serde(default, alias = "allow_jaeger")]
+	pub allow_otlp: bool,
 
+	/// Filter for OTLP tracing spans. This controls which spans are exported
+	/// to the OTLP collector.
+	///
 	/// default: "info"
-	#[serde(default = "default_jaeger_filter")]
-	pub jaeger_filter: String,
+	#[serde(default = "default_otlp_filter", alias = "jaeger_filter")]
+	pub otlp_filter: String,
 
 	/// If the 'perf_measurements' compile-time feature is enabled, enables
 	/// collecting folded stack trace profile of tracing spans using
@@ -2367,7 +2376,7 @@ fn default_tracing_flame_filter() -> String {
 		.to_owned()
 }
 
-fn default_jaeger_filter() -> String {
+fn default_otlp_filter() -> String {
 	cfg!(debug_assertions)
 		.then_some("trace,h2=off")
 		.unwrap_or("info")

src/main/Cargo.toml

@@ -126,7 +126,8 @@ perf_measurements = [
 	"dep:tracing-flame",
 	"dep:tracing-opentelemetry",
 	"dep:opentelemetry_sdk",
-	"dep:opentelemetry-jaeger",
+	"dep:opentelemetry-otlp",
+	"dep:opentelemetry-jaeger-propagator",
 	"conduwuit-core/perf_measurements",
 	"conduwuit-core/sentry_telemetry",
 ]
@@ -204,10 +205,12 @@ console-subscriber.workspace = true
 const-str.workspace = true
 ctor.workspace = true
 log.workspace = true
-opentelemetry-jaeger.optional = true
-opentelemetry-jaeger.workspace = true
 opentelemetry.optional = true
 opentelemetry.workspace = true
+opentelemetry-otlp.optional = true
+opentelemetry-otlp.workspace = true
+opentelemetry-jaeger-propagator.optional = true
+opentelemetry-jaeger-propagator.workspace = true
 opentelemetry_sdk.optional = true
 opentelemetry_sdk.workspace = true
 sentry-tower.optional = true
@@ -227,6 +230,7 @@ tracing-subscriber.workspace = true
 tracing.workspace = true
 tracing-journald = { workspace = true, optional = true }
 
+
 [target.'cfg(all(not(target_env = "msvc"), target_os = "linux"))'.dependencies]
 hardened_malloc-rs.workspace = true
 hardened_malloc-rs.optional = true

src/main/logging.rs

@@ -7,6 +7,8 @@ use conduwuit_core::{
 	log::{ConsoleFormat, ConsoleWriter, LogLevelReloadHandles, capture, fmt_span},
 	result::UnwrapOrErr,
 };
+#[cfg(feature = "perf_measurements")]
+use opentelemetry::trace::TracerProvider;
 use tracing_subscriber::{EnvFilter, Layer, Registry, fmt, layer::SubscriberExt, reload};
 
 #[cfg(feature = "perf_measurements")]
@@ -87,30 +89,35 @@ pub(crate) fn init(
 			(None, None)
 		};
 
-		let jaeger_filter = EnvFilter::try_new(&config.jaeger_filter)
-			.map_err(|e| err!(Config("jaeger_filter", "{e}.")))?;
+		let otlp_filter = EnvFilter::try_new(&config.otlp_filter)
+			.map_err(|e| err!(Config("otlp_filter", "{e}.")))?;
 
-		let jaeger_layer = config.allow_jaeger.then(|| {
+		let otlp_layer = config.allow_otlp.then(|| {
 			opentelemetry::global::set_text_map_propagator(
-				opentelemetry_jaeger::Propagator::new(),
+				opentelemetry_jaeger_propagator::Propagator::new(),
 			);
 
-			let tracer = opentelemetry_jaeger::new_agent_pipeline()
-				.with_auto_split_batch(true)
-				.with_service_name(conduwuit_core::name())
-				.install_batch(opentelemetry_sdk::runtime::Tokio)
-				.expect("jaeger agent pipeline");
+			let exporter = opentelemetry_otlp::SpanExporter::builder()
+				.with_http()
+				.build()
+				.expect("Failed to create OTLP exporter");
+
+			let provider = opentelemetry_sdk::trace::SdkTracerProvider::builder()
+				.with_batch_exporter(exporter)
+				.build();
+
+			let tracer = provider.tracer(conduwuit_core::name());
 
 			let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
 
-			let (jaeger_reload_filter, jaeger_reload_handle) =
-				reload::Layer::new(jaeger_filter.clone());
-			reload_handles.add("jaeger", Box::new(jaeger_reload_handle));
+			let (otlp_reload_filter, otlp_reload_handle) =
+				reload::Layer::new(otlp_filter.clone());
+			reload_handles.add("otlp", Box::new(otlp_reload_handle));
 
-			Some(telemetry.with_filter(jaeger_reload_filter))
+			Some(telemetry.with_filter(otlp_reload_filter))
 		});
 
-		let subscriber = subscriber.with(flame_layer).with(jaeger_layer);
+		let subscriber = subscriber.with(flame_layer).with(otlp_layer);
 		(subscriber, flame_guard)
 	};