refactor: consolidate ecstore public facade (#3678)

* refactor: expand ecstore compatibility facade

* test: enforce ecstore api facade imports

* refactor: hide legacy ecstore layout modules

* refactor: hide ecstore facade root modules

crates/ecstore/src/api/mod.rs

@@ -18,6 +18,17 @@ pub mod admin {
     pub use crate::admin_server_info::{get_local_server_property, get_server_info};
 }
 
+pub mod bucket {
+    pub use crate::bucket::{
+        bandwidth, bucket_target_sys, lifecycle, metadata, metadata_sys, migration, object_lock, policy_sys, quota, replication,
+        tagging, target, utils, versioning, versioning_sys,
+    };
+}
+
+pub mod cache {
+    pub use crate::cache_value::metacache_set::{ListPathRawOptions, list_path_raw};
+}
+
 pub mod capacity {
     pub use crate::pools::{
         PoolDecommissionInfo, PoolStatus, get_total_usable_capacity, get_total_usable_capacity_free, path2_bucket_object,
@@ -26,6 +37,61 @@ pub mod capacity {
     pub use crate::store_utils::is_reserved_or_invalid_bucket;
 }
 
+pub mod client {
+    pub use crate::client::{admin_handler_utils, object_api_utils, transition_api};
+}
+
+pub mod compression {
+    pub use crate::compress::{MIN_DISK_COMPRESSIBLE_SIZE, is_disk_compressible};
+}
+
+pub mod config {
+    pub use crate::config::{
+        RUSTFS_CONFIG_PREFIX, com, init, init_global_config_sys, set_global_storage_class, storageclass,
+        try_migrate_server_config,
+    };
+}
+
+pub mod data_usage {
+    pub use crate::data_usage::{
+        DATA_USAGE_CACHE_NAME, apply_bucket_usage_memory_overlay, load_data_usage_from_backend,
+        record_bucket_object_delete_memory, record_bucket_object_write_memory, replace_bucket_usage_memory_from_info,
+    };
+}
+
+pub mod disk {
+    pub use crate::disk::endpoint::Endpoint;
+    pub use crate::disk::error::DiskError;
+    pub use crate::disk::error_reduce::is_all_buckets_not_found;
+    pub use crate::disk::{
+        BUCKET_META_PREFIX, DeleteOptions, Disk, DiskAPI, DiskInfoOptions, DiskOption, DiskStore, FileInfoVersions,
+        RUSTFS_META_BUCKET, ReadMultipleReq, ReadMultipleResp, ReadOptions, STORAGE_FORMAT_FILE, UpdateMetadataOpts, VolumeInfo,
+        WalkDirOptions, new_disk,
+    };
+    pub use crate::disk::{endpoint, error, error_reduce};
+}
+
+pub mod error {
+    pub use crate::error::{
+        Error, Result, StorageError, classify_system_path_failure_reason, is_err_bucket_not_found, is_err_object_not_found,
+        is_err_version_not_found,
+    };
+}
+
+pub mod event {
+    pub use crate::event_notification::{EventArgs, register_event_dispatch_hook};
+}
+
+pub mod global {
+    pub use crate::global::{
+        GLOBAL_BOOT_TIME, GLOBAL_LOCAL_DISK_MAP, GLOBAL_TierConfigMgr, get_global_bucket_monitor, get_global_deployment_id,
+        get_global_endpoints_opt, get_global_lock_client, get_global_lock_clients, get_global_region, get_global_tier_config_mgr,
+        global_rustfs_port, is_dist_erasure, is_erasure, is_erasure_sd, is_first_cluster_node_local, new_object_layer_fn,
+        resolve_object_store_handle, set_global_endpoints, set_global_region, set_global_rustfs_port, set_object_store_resolver,
+        shutdown_background_services, update_erasure_type,
+    };
+}
+
 pub mod layout {
     pub use crate::disks_layout::DisksLayout;
     pub use crate::endpoints::{EndpointServerPools, Endpoints, PoolEndpoints};
@@ -41,9 +107,38 @@ pub mod notification {
     };
 }
 
+pub mod rebalance {
+    pub use crate::rebalance::{
+        DiskStat, RebalSaveOpt, RebalStatus, RebalanceCleanupWarnings, RebalanceInfo, RebalanceMeta, RebalanceStats,
+    };
+}
+
+pub mod rio {
+    pub use crate::rio::{
+        DecryptReader, DynReader, EncryptReader, HardLimitReader, HashReader, WriteEncryption, WritePlan, boxed_reader,
+        compression_metadata_value, wrap_reader,
+    };
+}
+
+pub mod rpc {
+    pub use crate::rpc::{
+        LocalPeerS3Client, PEER_RESTSIGNAL, PEER_RESTSUB_SYS, PeerRestClient, PeerS3Client, SERVICE_SIGNAL_REFRESH_CONFIG,
+        SERVICE_SIGNAL_RELOAD_DYNAMIC, TONIC_RPC_PREFIX, TonicInterceptor, gen_tonic_signature_interceptor,
+        node_service_time_out_client, node_service_time_out_client_no_auth, verify_rpc_signature,
+    };
+}
+
+pub mod set_disk {
+    pub use crate::set_disk::{DEFAULT_READ_BUFFER_SIZE, SetDisks, get_lock_acquire_timeout, is_valid_storage_class};
+}
+
 pub mod storage {
     pub use crate::store::{
         ECStore, all_local_disk, all_local_disk_path, find_local_disk_by_ref, init_local_disks, init_lock_clients,
         prewarm_local_disk_id_map,
     };
 }
+
+pub mod tier {
+    pub use crate::tier::{tier, tier_admin, tier_config, tier_handlers, warm_backend};
+}