refactor: flatten test harness storage compat aliases (#3596)

* refactor: flatten test harness storage compat aliases

* refactor: flatten rustfs storage compat aliases (#3597)

* refactor: prune runtime storage compat surface (#3598)

* refactor: flatten runtime secondary storage compat (#3599)

* docs: add scheduler placement profiling baselines (#3600)

* feat: add observability topology capability contracts (#3601)

crates/e2e_test/src/reliant/grpc_lock_client.rs

@@ -15,7 +15,7 @@
 // Used by test_distributed_lock_4_nodes_grpc in lock.rs
 #![allow(dead_code)]
 
-use crate::storage_compat::ecstore::rpc::node_service_time_out_client_no_auth;
+use crate::storage_compat::node_service_time_out_client_no_auth;
 use async_trait::async_trait;
 use rustfs_lock::{
     LockClient, LockError, LockId, LockInfo, LockRequest, LockResponse, LockStats, LockStatus, LockType, Result,
@@ -41,10 +41,7 @@ impl GrpcLockClient {
         &self,
     ) -> Result<
         rustfs_protos::proto_gen::node_service::node_service_client::NodeServiceClient<
-            tonic::service::interceptor::InterceptedService<
-                tonic::transport::Channel,
-                crate::storage_compat::ecstore::rpc::TonicInterceptor,
-            >,
+            tonic::service::interceptor::InterceptedService<tonic::transport::Channel, crate::storage_compat::TonicInterceptor>,
         >,
     > {
         node_service_time_out_client_no_auth(&self.addr)

crates/e2e_test/src/reliant/node_interact_test.rs

@@ -14,8 +14,8 @@
 // limitations under the License.
 
 use crate::common::workspace_root;
-use crate::storage_compat::ecstore::disk::{VolumeInfo, WalkDirOptions};
-use crate::storage_compat::ecstore::rpc::{TonicInterceptor, gen_tonic_signature_interceptor, node_service_time_out_client};
+use crate::storage_compat::{TonicInterceptor, gen_tonic_signature_interceptor, node_service_time_out_client};
+use crate::storage_compat::{VolumeInfo, WalkDirOptions};
 use futures::future::join_all;
 use rmp_serde::{Deserializer, Serializer};
 use rustfs_filemeta::{MetaCacheEntry, MetacacheReader, MetacacheWriter};

crates/e2e_test/src/replication_extension_test.rs

@@ -15,7 +15,7 @@
 use crate::common::{
     RustFSTestEnvironment, awscurl_available, awscurl_post_sts_form_urlencoded, init_logging, local_http_client,
 };
-use crate::storage_compat::ecstore::bucket::bucket_target_sys::BucketTargetSys;
+use crate::storage_compat::BucketTargetSys;
 use aws_sdk_s3::config::{Credentials, Region};
 use aws_sdk_s3::primitives::ByteStream;
 use aws_sdk_s3::types::{BucketVersioningStatus, VersioningConfiguration};

crates/e2e_test/src/storage_compat.rs

@@ -12,22 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-pub(crate) mod ecstore {
-    #![allow(unused_imports)]
+#![allow(dead_code, unused_imports)]
 
-    pub(crate) mod bucket {
-        pub(crate) mod bucket_target_sys {
-            pub(crate) use rustfs_ecstore::bucket::bucket_target_sys::BucketTargetSys;
-        }
-    }
+pub(crate) type BucketTargetSys = rustfs_ecstore::bucket::bucket_target_sys::BucketTargetSys;
+pub(crate) type TonicInterceptor = rustfs_ecstore::rpc::TonicInterceptor;
+pub(crate) type VolumeInfo = rustfs_ecstore::disk::VolumeInfo;
+pub(crate) type WalkDirOptions = rustfs_ecstore::disk::WalkDirOptions;
 
-    pub(crate) mod disk {
-        pub(crate) use rustfs_ecstore::disk::{VolumeInfo, WalkDirOptions};
-    }
-
-    pub(crate) mod rpc {
-        pub(crate) use rustfs_ecstore::rpc::{
-            TonicInterceptor, gen_tonic_signature_interceptor, node_service_time_out_client, node_service_time_out_client_no_auth,
-        };
-    }
-}
+pub(crate) use rustfs_ecstore::rpc::{
+    gen_tonic_signature_interceptor, node_service_time_out_client, node_service_time_out_client_no_auth,
+};