refactor(runtime): wrap boot time global (#4044)

crates/ecstore/src/api/mod.rs

@@ -112,7 +112,7 @@ pub mod event {
 
 pub mod global {
     pub use crate::runtime::global::{
-        GLOBAL_BOOT_TIME, GLOBAL_LOCAL_DISK_MAP, GLOBAL_TierConfigMgr, get_global_bucket_monitor, get_global_deployment_id,
+        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,
@@ -122,7 +122,7 @@ pub mod global {
 
 pub mod runtime {
     pub use crate::runtime::sources::{
-        bucket_monitor, expiry_state_handle, first_cluster_node_is_local, global_tier_config_mgr, local_disk_map_read,
+        boot_time, bucket_monitor, expiry_state_handle, first_cluster_node_is_local, global_tier_config_mgr, local_disk_map_read,
         object_store_handle, setup_is_erasure, setup_is_erasure_sd, transition_state_handle,
     };
 }

crates/ecstore/src/runtime/sources.rs

@@ -186,10 +186,13 @@ pub(crate) async fn rustfs_addr() -> String {
     rustfs_common::get_global_addr().await
 }
 
+pub fn boot_time() -> Option<SystemTime> {
+    GLOBAL_BOOT_TIME.get().cloned()
+}
+
 pub(crate) fn boot_uptime_secs() -> u64 {
-    GLOBAL_BOOT_TIME
+    boot_time()
-        .get()
+        .and_then(|boot_time| SystemTime::now().duration_since(boot_time).ok())
-        .and_then(|boot_time| SystemTime::now().duration_since(*boot_time).ok())
         .unwrap_or_default()
         .as_secs()
 }

docs/architecture/global-state-inventory.md

@@ -46,7 +46,7 @@ migration PR removes or replaces each item.
 | `GLOBAL_REPLICATION_POOL`, `GLOBAL_REPLICATION_STATS`, `GLOBAL_BUCKET_MONITOR` | `crates/ecstore/src/bucket/replication/*`, `crates/ecstore/src/runtime/global.rs` | Runtime migration target | Keep behind AppContext replication and bucket-monitor resolvers until queue admission, stats, and admin reporting coverage are explicit. |
 | `GLOBAL_TierConfigMgr`, `GLOBAL_STORAGE_CLASS`, `GLOBAL_CONFIG_SYS`, `GLOBAL_SERVER_CONFIG` | `crates/ecstore/src/config`, `crates/config`, `rustfs/src/app/context/runtime_sources.rs` | Runtime migration target | Move through config/runtime-source owners only; do not combine with storage-class behavior or persistence changes. |
 | `GLOBAL_EventNotifier`, `GLOBAL_NotificationSys` | `crates/ecstore/src/services/*` | Runtime migration target | Preserve notification and audit side effects; move only through notify/runtime-source boundaries. |
-| `GLOBAL_BOOT_TIME`, `globalDeploymentIDPtr`, `GLOBAL_REGION`, `GLOBAL_RUSTFS_PORT`, `GLOBAL_LocalNodeName` | `crates/ecstore/src/runtime/global.rs` | Runtime migration target | Scalar handles may migrate in small PRs after call sites use AppContext or owner-local runtime-source readers. |
+| `GLOBAL_BOOT_TIME`, `globalDeploymentIDPtr`, `GLOBAL_REGION`, `GLOBAL_RUSTFS_PORT`, `GLOBAL_LocalNodeName` | `crates/ecstore/src/runtime/global.rs`, `crates/ecstore/src/runtime/sources.rs` | Runtime migration target | Boot time reads now go through the ECStore runtime-source API; the remaining scalar handles may migrate in small PRs after call sites use AppContext or owner-local runtime-source readers. |
 | `GLOBAL_LOCAL_LOCK_CLIENT`, `GLOBAL_LOCK_CLIENTS`, `GLOBAL_LOCK_MANAGER` | `crates/ecstore/src/runtime/global.rs`, `crates/lock` | Runtime migration target / process-global split | Preserve lock quorum and lock client selection; keep process-level lock manager separate from ECStore endpoint-specific clients. |
 | `GLOBAL_CONN_MAP`, `GLOBAL_LOCAL_NODE_NAME`, `GLOBAL_RUSTFS_HOST`, `GLOBAL_RUSTFS_ADDR`, `GLOBAL_ROOT_CERT`, `GLOBAL_MTLS_IDENTITY`, `GLOBAL_OUTBOUND_TLS_GENERATION` | `crates/common`, `crates/tls-runtime`, `crates/ecstore/src/runtime/sources.rs` | Runtime migration target / process-global split | Internode connection cache, common local node name, RustFS host/address reads, and outbound TLS material reads are now owned behind `rustfs_common` helpers; migrate the remaining transport and TLS state only after internode transport and outbound TLS ownership are explicit, without changing cached channel reuse or TLS reload semantics. |
 | `GLOBAL_RUSTFS_RPC_SECRET` | `crates/credentials`, `crates/ecstore/src/runtime/sources.rs` | Runtime migration target / process-global split | RPC auth token writes now stay behind the `rustfs_credentials` helper boundary; migrate only if runtime secret ownership changes, preserving lazy environment and credential-derived token semantics. |

rustfs/src/storage/storage_api.rs

@@ -378,13 +378,17 @@ pub(crate) mod ecstore_global {
     #[cfg(test)]
     pub(crate) use rustfs_ecstore::api::global::new_object_layer_fn;
     pub(crate) use rustfs_ecstore::api::global::{
-        GLOBAL_BOOT_TIME, GLOBAL_TierConfigMgr, get_global_bucket_monitor, get_global_deployment_id, get_global_endpoints_opt,
+        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, set_global_endpoints, set_global_region, set_global_rustfs_port, set_object_store_resolver,
         shutdown_background_services, update_erasure_type,
     };
 }
 
+pub(crate) mod ecstore_runtime {
+    pub(crate) use rustfs_ecstore::api::runtime::boot_time;
+}
+
 #[allow(unused_imports)]
 pub(crate) mod ecstore_layout {
     pub(crate) use rustfs_ecstore::api::layout::{DisksLayout, EndpointServerPools, Endpoints, PoolEndpoints, SetupType};
@@ -568,7 +572,7 @@ pub(crate) fn get_global_replication_stats() -> Option<Arc<ReplicationStats>> {
 }
 
 pub(crate) fn get_global_boot_time() -> Option<std::time::SystemTime> {
-    ecstore_global::GLOBAL_BOOT_TIME.get().cloned()
+    ecstore_runtime::boot_time()
 }
 
 pub(crate) fn get_daily_all_tier_stats() -> DailyAllTierStats {

scripts/check_architecture_migration_rules.sh

@@ -182,6 +182,7 @@ EXTERNAL_TEST_ECSTORE_COMPAT_BYPASS_HITS_FILE="${TMP_DIR}/external_test_ecstore_
 FUZZ_ECSTORE_COMPAT_BYPASS_HITS_FILE="${TMP_DIR}/fuzz_ecstore_compat_bypass_hits.txt"
 EXTERNAL_ECSTORE_API_BOUNDARY_HITS_FILE="${TMP_DIR}/external_ecstore_api_boundary_hits.txt"
 REPLICATION_FACADE_BYPASS_HITS_FILE="${TMP_DIR}/replication_facade_bypass_hits.txt"
+GLOBAL_BOOT_TIME_BYPASS_HITS_FILE="${TMP_DIR}/global_boot_time_bypass_hits.txt"
 GLOBAL_CONN_MAP_BYPASS_HITS_FILE="${TMP_DIR}/global_conn_map_bypass_hits.txt"
 GLOBAL_LOCAL_NODE_NAME_BYPASS_HITS_FILE="${TMP_DIR}/global_local_node_name_bypass_hits.txt"
 GLOBAL_RUSTFS_ADDR_BYPASS_HITS_FILE="${TMP_DIR}/global_rustfs_addr_bypass_hits.txt"
@@ -2295,6 +2296,18 @@ if [[ -s "$REPLICATION_FACADE_BYPASS_HITS_FILE" ]]; then
   report_failure "replication facade imports must stay in local storage_api boundaries: $(paste -sd '; ' "$REPLICATION_FACADE_BYPASS_HITS_FILE")"
 fi
 
+(
+  cd "$ROOT_DIR"
+  rg -n --with-filename '\bGLOBAL_BOOT_TIME\b' \
+    crates rustfs fuzz \
+    --glob '*.rs' |
+    rg -v '^crates/ecstore/src/runtime/(global|sources)\.rs:' || true
+) >"$GLOBAL_BOOT_TIME_BYPASS_HITS_FILE"
+
+if [[ -s "$GLOBAL_BOOT_TIME_BYPASS_HITS_FILE" ]]; then
+  report_failure "GLOBAL_BOOT_TIME access must stay behind ECStore runtime-source helpers: $(paste -sd '; ' "$GLOBAL_BOOT_TIME_BYPASS_HITS_FILE")"
+fi
+
 (
   cd "$ROOT_DIR"
   rg -n --with-filename '\bGLOBAL_CONN_MAP\b' \