use only tracing (#157)

Cargo.toml

@@ -25,7 +25,6 @@ enumflags2 = "0.7.7"
 futures = "0.3.25"
 http = "0.2"
 hyper = "0.14"
-log = "0.4.17"
 moka = { version = "0.12", features = ["future"] }
 opentelemetry = { version = "0.21.0" }
 opentelemetry-datadog = { version = "0.9.0", features = ["reqwest-client"] }
@@ -39,9 +38,9 @@ serde_yaml = "0.9.17"
 tokio = { version = "1.24.2", features = ["full"] }
 tower = { version = "0.4.13", features = ["full"] }
 tower-http = { version = "0.4", features = ["full"] }
-tracing = "0.1.37"
+tracing = "0.1.40"
 tracing-serde = "0.1.3"
-tracing-subscriber = { version = "0.3.16", features = ["env-filter", "json"] }
+tracing-subscriber = { version = "0.3.18", features = ["env-filter", "json"] }
 
 jsonrpsee = { path = "./vendor/jsonrpsee/jsonrpsee", features = ["full"] }
 governor = { path = "./vendor/governor/governor" }

src/config/mod.rs

@@ -156,7 +156,7 @@ pub fn read_config() -> Result<Config, String> {
     let mut config: Config = config.into();
 
     if let Ok(endpoints) = std::env::var("ENDPOINTS") {
-        log::debug!("Override endpoints with env.ENDPOINTS");
+        tracing::debug!("Override endpoints with env.ENDPOINTS");
         let endpoints = endpoints
             .split(',')
             .map(|x| x.trim().to_string())
@@ -171,7 +171,7 @@ pub fn read_config() -> Result<Config, String> {
     }
 
     if let Ok(env_port) = std::env::var("PORT") {
-        log::debug!("Override port with env.PORT");
+        tracing::debug!("Override port with env.PORT");
         let port = env_port.parse::<u16>();
         if let Ok(port) = port {
             config

src/extensions/client/health.rs

@@ -64,20 +64,20 @@ impl Health {
             return;
         }
         self.score.store(new_score, Ordering::Relaxed);
-        log::trace!(
+        tracing::trace!(
             "Endpoint {:?} score updated from: {current_score} to: {new_score}",
             self.url
         );
 
         // Notify waiters if the score has dropped below the threshold
         if current_score >= THRESHOLD && new_score < THRESHOLD {
-            log::warn!("Endpoint {:?} became unhealthy", self.url);
+            tracing::warn!("Endpoint {:?} became unhealthy", self.url);
             self.unhealthy.notify_waiters();
         }
     }
 
     pub fn on_error(&self, err: &jsonrpsee::core::Error) {
-        log::warn!("Endpoint {:?} responded with error: {err:?}", self.url);
+        tracing::warn!("Endpoint {:?} responded with error: {err:?}", self.url);
         match err {
             jsonrpsee::core::Error::RequestTimeout => {
                 self.update(Event::RequestTimeout);

src/extensions/telemetry/mod.rs

@@ -51,7 +51,7 @@ impl Telemetry {
 
 pub fn setup_telemetry(options: &TelemetryConfig) -> Result<Option<Tracer>, TraceError> {
     global::set_error_handler(|e| {
-        log::warn!("OpenTelemetry error: {}", e);
+        tracing::warn!("OpenTelemetry error: {}", e);
     })
     .expect("failed to set OpenTelemetry error handler");
 

src/middlewares/methods/block_tag.rs

@@ -94,7 +94,7 @@ impl BlockTagMiddleware {
         };
 
         if let Some(value) = maybe_value {
-            log::trace!(
+            tracing::trace!(
                 "Replacing params {:?} updated with {:?}",
                 request.params,
                 (self.index, &value),