replace log to tracing

iam/src/lib.rs

@@ -2,11 +2,11 @@ use auth::Credentials;
 use ecstore::error::{Error, Result};
 use ecstore::store::ECStore;
 use error::Error as IamError;
-use log::debug;
 use manager::IamCache;
 use std::sync::{Arc, OnceLock};
 use store::object::ObjectStore;
 use sys::IamSys;
+use tracing::{debug, instrument};
 
 pub mod cache;
 mod format;
@@ -58,6 +58,7 @@ pub fn get_global_action_cred() -> Option<Credentials> {
     GLOBAL_ACTIVE_CRED.get().cloned()
 }
 
+#[instrument]
 pub async fn init_iam_sys(ecstore: Arc<ECStore>) -> Result<()> {
     debug!("init iam system");
     let s = IamCache::new(ObjectStore::new(ecstore)).await;