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houseme
78 lines
2.4 KiB
Rust
78 lines
2.4 KiB
Rust
// Copyright 2024 RustFS Team
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use crate::error::{Error, Result};
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use manager::IamCache;
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use rustfs_ecstore::store::ECStore;
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use std::sync::{Arc, OnceLock};
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use store::object::ObjectStore;
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use sys::IamSys;
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use tracing::{error, info, instrument};
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pub mod cache;
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pub mod error;
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pub mod manager;
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pub mod store;
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pub mod sys;
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pub mod utils;
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static IAM_SYS: OnceLock<Arc<IamSys<ObjectStore>>> = OnceLock::new();
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#[instrument(skip(ecstore))]
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pub async fn init_iam_sys(ecstore: Arc<ECStore>) -> Result<()> {
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if IAM_SYS.get().is_some() {
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info!("IAM system already initialized, skipping.");
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return Ok(());
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}
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info!("Starting IAM system initialization sequence...");
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// 1. Create the persistent storage adapter
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let storage_adapter = ObjectStore::new(ecstore);
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// 2. Create the cache manager.
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// The `new` method now performs a blocking initial load from disk.
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let cache_manager = IamCache::new(storage_adapter).await;
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// 3. Construct the system interface
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let iam_instance = Arc::new(IamSys::new(cache_manager));
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// 4. Securely set the global singleton
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if IAM_SYS.set(iam_instance).is_err() {
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error!("Critical: Race condition detected during IAM initialization!");
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return Err(Error::IamSysAlreadyInitialized);
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}
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info!("IAM system initialization completed successfully.");
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Ok(())
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}
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#[inline]
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pub fn get() -> Result<Arc<IamSys<ObjectStore>>> {
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let sys = IAM_SYS.get().map(Arc::clone).ok_or(Error::IamSysNotInitialized)?;
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// Double-check the internal readiness state. The OnceLock is only set
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// after initialization and data loading complete, so this is a defensive
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// guard to ensure callers never operate on a partially initialized system.
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if !sys.is_ready() {
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return Err(Error::IamSysNotInitialized);
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}
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Ok(sys)
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}
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pub fn get_global_iam_sys() -> Option<Arc<IamSys<ObjectStore>>> {
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IAM_SYS.get().cloned()
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}
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