chore: configure tracing only once

commit-id:d56e92a1

crates/starknet_sequencer_infra/src/trace_util.rs

@@ -1,15 +1,18 @@
+use std::sync::Once;
+
 use tracing::metadata::LevelFilter;
 use tracing_subscriber::prelude::*;
 use tracing_subscriber::{fmt, EnvFilter};
 
 const DEFAULT_LEVEL: LevelFilter = LevelFilter::INFO;
+static INIT_TRACING: Once = Once::new();
 
 pub fn configure_tracing() {
-    let fmt_layer = fmt::layer().compact().with_target(true);
-    let level_filter_layer =
-        EnvFilter::builder().with_default_directive(DEFAULT_LEVEL.into()).from_env_lossy();
+    INIT_TRACING.call_once(|| {
+        let fmt_layer = fmt::layer().compact().with_target(true);
+        let level_filter_layer =
+            EnvFilter::builder().with_default_directive(DEFAULT_LEVEL.into()).from_env_lossy();
 
-    // This sets a single subscriber to all of the threads. We may want to implement different
-    // subscriber for some threads and use set_global_default instead of init.
-    tracing_subscriber::registry().with(fmt_layer).with(level_filter_layer).init();
+        tracing_subscriber::registry().with(fmt_layer).with(level_filter_layer).init();
+    });
 }