refactor(app): decouple AppContext adapters from GLOBAL statics (#1970)

crates/ecstore/src/bucket/metadata_sys.rs

@@ -53,6 +53,10 @@ pub async fn init_bucket_metadata_sys(api: Arc<ECStore>, buckets: Vec<String>) {
     GLOBAL_BucketMetadataSys.set(sys).unwrap();
 }
 
+pub fn get_global_bucket_metadata_sys() -> Option<Arc<RwLock<BucketMetadataSys>>> {
+    GLOBAL_BucketMetadataSys.get().cloned()
+}
+
 // panic if not init
 pub(super) fn get_bucket_metadata_sys() -> Result<Arc<RwLock<BucketMetadataSys>>> {
     if let Some(sys) = GLOBAL_BucketMetadataSys.get() {

crates/ecstore/src/config/mod.rs

@@ -67,6 +67,10 @@ impl ConfigSys {
     }
 }
 
+pub fn get_global_server_config() -> Option<Config> {
+    GLOBAL_SERVER_CONFIG.get().cloned()
+}
+
 #[derive(Debug, Deserialize, Serialize, Clone)]
 pub struct KV {
     pub key: String,

crates/ecstore/src/global.rs

@@ -150,6 +150,14 @@ pub fn get_global_endpoints() -> EndpointServerPools {
     }
 }
 
+pub fn get_global_endpoints_opt() -> Option<EndpointServerPools> {
+    GLOBAL_Endpoints.get().cloned()
+}
+
+pub fn get_global_tier_config_mgr() -> Arc<RwLock<TierConfigMgr>> {
+    GLOBAL_TierConfigMgr.clone()
+}
+
 /// Create a new object layer instance
 ///
 /// # Returns