646 lines
20 KiB
Rust
646 lines
20 KiB
Rust
use super::*;
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#[test]
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fn high_expansion_layer_is_disk_spooled_and_published() {
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let fixture = Fixture::new();
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let payload = vec![0u8; 32 * 1024 * 1024];
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let tar = layer(&[Entry {
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path: "expanded",
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kind: EntryType::Regular,
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data: &payload,
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target: None,
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mode: 0o600,
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}]);
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let compressed = compress(&tar, OCI_GZIP);
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assert!(compressed.len() * 100 < payload.len());
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let request = fixture.request(30, &[(compressed, OCI_GZIP)]);
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let artifact = fixture.store.prepare(&request).unwrap();
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assert_eq!(
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std::fs::metadata(fixture.artifact_root(&artifact).join("expanded"))
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.unwrap()
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.len(),
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payload.len() as u64
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);
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assert!(
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fixture
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.root
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.join("stages")
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.read_dir()
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.unwrap()
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.next()
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.is_none()
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);
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}
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#[test]
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fn concurrent_publication_reuses_one_immutable_artifact() {
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let fixture = Fixture::new();
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"same",
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target: None,
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mode: 0o644,
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}]);
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let first = fixture.request(40, &[(bytes.clone(), OCI_TAR)]);
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let mut second = PrepareRequest {
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operation_id: PrepareOperationId::new([41; 32]),
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..first.clone()
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};
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second.layout_path = first.layout_path.clone();
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let store = Arc::new(fixture.store.clone());
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let barrier = Arc::new(Barrier::new(3));
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let first_handle = {
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let store = Arc::clone(&store);
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let barrier = Arc::clone(&barrier);
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thread::spawn(move || {
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barrier.wait();
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store.prepare(&first)
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})
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};
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let second_handle = {
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let store = Arc::clone(&store);
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let barrier = Arc::clone(&barrier);
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thread::spawn(move || {
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barrier.wait();
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store.prepare(&second)
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})
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};
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barrier.wait();
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let first = first_handle.join().unwrap().unwrap();
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let second = second_handle.join().unwrap().unwrap();
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assert_eq!(first, second);
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let snapshot = fixture.catalog.snapshot().unwrap();
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assert_eq!(snapshot.prepared_artifacts, vec![first]);
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assert!(snapshot.prepare_operations.is_empty());
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}
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#[test]
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fn startup_recovery_preserves_an_independently_locked_owned_stage() {
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let fixture = Fixture::new();
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let operation_id = PrepareOperationId::new([42; 32]);
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let stage_relative = PathBuf::from("stages").join(hex(operation_id.as_bytes()));
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let stage_path = fixture.root.join(&stage_relative);
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std::fs::create_dir(&stage_path).unwrap();
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let metadata = stage_path.metadata().unwrap();
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let intent = PrepareOperation {
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operation_id,
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expected_artifact_id: PreparedArtifactId::new([43; 32]),
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source_identity: SourceIdentity::new(b"synthetic-live-owner".to_vec()),
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selected_manifest_digest: SelectedManifestDigest::new([44; 32]),
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policy_id: PolicyId::new([45; 32]),
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id_map_digest: IdMapDigest::new([46; 32]),
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stage_path: HostPath::new(stage_relative.as_os_str().as_bytes().to_vec()),
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stage_state: PrepareStageState::Intent,
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device: None,
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inode: None,
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};
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let owned = PrepareOperation {
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stage_state: PrepareStageState::Owned,
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device: Some(DeviceId::new(metadata.dev())),
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inode: Some(InodeId::new(metadata.ino())),
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..intent.clone()
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};
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fixture.catalog.record_prepare(&intent).unwrap();
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fixture.catalog.bind_prepare_stage(&intent, &owned).unwrap();
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let live_owner = try_exclusive_flock(File::open(&stage_path).unwrap()).unwrap();
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let (_, recovery_store) = fixture.independent_store();
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assert_eq!(
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recovery_store.recover_preparations().unwrap(),
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vec![(operation_id, PrepareRecovery::PreservedLiveOwnedStage,)]
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);
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assert_eq!(
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fixture.catalog.snapshot().unwrap().prepare_operations,
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vec![owned]
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);
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assert!(stage_path.is_dir());
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drop(live_owner);
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assert_eq!(
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recovery_store.recover_preparations().unwrap(),
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vec![(operation_id, PrepareRecovery::RemovedOwnedStage)]
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);
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assert!(
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fixture
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.catalog
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.snapshot()
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.unwrap()
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.prepare_operations
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.is_empty()
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);
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assert!(!stage_path.exists());
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}
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#[test]
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fn publication_during_reclaim_preserves_replacement_and_deletes_old_inode() {
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let fixture = Fixture::new();
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"same",
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target: None,
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mode: 0o644,
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}]);
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let first_request = fixture.request(50, &[(bytes, OCI_TAR)]);
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let first = fixture.store.prepare(&first_request).unwrap();
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let reclaiming = fixture.catalog.begin_reclaim(&first).unwrap();
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let replacement_request = PrepareRequest {
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operation_id: PrepareOperationId::new([51; 32]),
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..first_request
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};
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let barrier = Arc::new(Barrier::new(3));
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let store = Arc::new(fixture.store.clone());
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let reclaim_handle = {
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let barrier = Arc::clone(&barrier);
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let store = Arc::clone(&store);
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thread::spawn(move || {
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barrier.wait();
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store.resume_reclaim(&reclaiming)
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})
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};
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let publish_handle = {
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let barrier = Arc::clone(&barrier);
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let store = Arc::clone(&store);
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thread::spawn(move || {
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barrier.wait();
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store.prepare(&replacement_request)
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})
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};
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barrier.wait();
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let reclaim = reclaim_handle.join().unwrap().unwrap();
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let replacement = publish_handle.join().unwrap().unwrap();
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assert!(matches!(
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reclaim,
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ReclaimOutcome::Removed | ReclaimOutcome::ReplacementPreserved
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));
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assert_ne!(replacement.inode, first.inode);
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assert_eq!(
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fixture.catalog.snapshot().unwrap().prepared_artifacts,
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vec![replacement]
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);
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assert!(
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fixture
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.root
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.join("quarantine")
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.read_dir()
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.unwrap()
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.next()
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.is_none()
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);
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}
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#[test]
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fn replacement_winning_before_reclaimer_resumes_still_cleans_old_quarantine() {
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let fixture = Fixture::new();
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"same",
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target: None,
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mode: 0o644,
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}]);
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let first_request = fixture.request(52, &[(bytes, OCI_TAR)]);
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let first = fixture.store.prepare(&first_request).unwrap();
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let reclaiming = fixture.catalog.begin_reclaim(&first).unwrap();
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let replacement_request = PrepareRequest {
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operation_id: PrepareOperationId::new([53; 32]),
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..first_request
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};
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let replacement = fixture.store.prepare(&replacement_request).unwrap();
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assert_ne!(replacement.inode, first.inode);
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assert_eq!(
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fixture.store.resume_reclaim(&reclaiming).unwrap(),
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ReclaimOutcome::ReplacementPreserved
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);
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assert_eq!(
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fixture.catalog.snapshot().unwrap().prepared_artifacts,
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vec![replacement.clone()]
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);
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assert!(fixture.artifact_root(&replacement).exists());
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assert!(
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fixture
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.root
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.join("quarantine")
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.read_dir()
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.unwrap()
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.next()
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.is_none()
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);
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}
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#[test]
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fn replacement_reclaim_start_does_not_orphan_prior_quarantine() {
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let fixture = Fixture::new();
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"same",
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target: None,
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mode: 0o644,
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}]);
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let first_request = fixture.request(55, &[(bytes, OCI_TAR)]);
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let first = fixture.store.prepare(&first_request).unwrap();
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let first_reclaiming = fixture.catalog.begin_reclaim(&first).unwrap();
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let replacement_request = PrepareRequest {
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operation_id: PrepareOperationId::new([56; 32]),
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..first_request
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};
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let replacement = fixture.store.prepare(&replacement_request).unwrap();
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let replacement_reclaiming = fixture.catalog.begin_reclaim(&replacement).unwrap();
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assert_eq!(
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fixture.store.resume_reclaim(&first_reclaiming).unwrap(),
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ReclaimOutcome::ReplacementPreserved
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);
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assert!(fixture.artifact_root(&replacement).is_dir());
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assert!(
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fixture
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.root
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.join("quarantine")
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.read_dir()
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.unwrap()
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.next()
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.is_none()
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);
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assert_eq!(
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fixture
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.store
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.resume_reclaim(&replacement_reclaiming)
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.unwrap(),
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ReclaimOutcome::Removed
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);
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assert!(
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fixture
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.catalog
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.snapshot()
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.unwrap()
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.prepared_artifacts
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.is_empty()
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);
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assert!(!fixture.artifact_root(&replacement).exists());
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assert!(
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fixture
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.root
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.join("quarantine")
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.read_dir()
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.unwrap()
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.next()
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.is_none()
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);
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}
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#[test]
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fn reclaim_refuses_preexisting_foreign_quarantine_path() {
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let fixture = Fixture::new();
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"same",
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target: None,
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mode: 0o644,
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}]);
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let artifact = fixture
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.store
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.prepare(&fixture.request(54, &[(bytes, OCI_TAR)]))
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.unwrap();
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let foreign = fixture.root.join("quarantine").join(format!(
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"{}-{}-{}",
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hex(artifact.prepared_artifact_id.as_bytes()),
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artifact.device.get(),
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artifact.inode.get()
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));
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std::fs::create_dir(&foreign).unwrap();
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assert!(fixture.store.reclaim(&artifact).is_err());
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assert!(foreign.is_dir());
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assert!(fixture.artifact_root(&artifact).is_dir());
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}
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#[test]
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fn recovery_deletes_only_exact_owned_stage_and_preserves_foreign_stage() {
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let fixture = Fixture::new();
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let operation_id = PrepareOperationId::new([60; 32]);
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let stage = Path::new("stages").join(hex(operation_id.as_bytes()));
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let intent = PrepareOperation {
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operation_id,
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expected_artifact_id: PreparedArtifactId::new([61; 32]),
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source_identity: SourceIdentity::new(b"source".to_vec()),
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selected_manifest_digest: SelectedManifestDigest::new([62; 32]),
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policy_id: PolicyId::new([63; 32]),
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id_map_digest: IdMapDigest::new([64; 32]),
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stage_path: HostPath::new(stage.as_os_str().as_encoded_bytes().to_vec()),
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stage_state: PrepareStageState::Intent,
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device: None,
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inode: None,
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};
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fixture.catalog.record_prepare(&intent).unwrap();
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std::fs::create_dir(fixture.root.join(&stage)).unwrap();
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std::fs::write(fixture.root.join(&stage).join("foreign"), b"keep").unwrap();
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assert!(matches!(
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fixture.store.recover_prepare(&intent),
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Err(PreparedLowerError::Recovery { .. })
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));
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assert!(fixture.root.join(&stage).join("foreign").exists());
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std::fs::remove_dir_all(fixture.root.join(&stage)).unwrap();
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assert_eq!(
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fixture.store.recover_prepare(&intent).unwrap(),
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PrepareRecovery::ClearedUnmaterializedIntent
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);
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let owned_id = PrepareOperationId::new([65; 32]);
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let owned_stage = Path::new("stages").join(hex(owned_id.as_bytes()));
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let owned_intent = PrepareOperation {
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operation_id: owned_id,
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stage_path: HostPath::new(owned_stage.as_os_str().as_encoded_bytes().to_vec()),
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..intent
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};
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fixture.catalog.record_prepare(&owned_intent).unwrap();
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std::fs::create_dir(fixture.root.join(&owned_stage)).unwrap();
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std::fs::write(fixture.root.join(&owned_stage).join("partial"), b"partial").unwrap();
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let metadata = std::fs::metadata(fixture.root.join(&owned_stage)).unwrap();
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let owned = PrepareOperation {
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stage_state: PrepareStageState::Owned,
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device: Some(DeviceId::new(metadata.dev())),
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inode: Some(InodeId::new(metadata.ino())),
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..owned_intent.clone()
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};
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fixture
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.catalog
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.bind_prepare_stage(&owned_intent, &owned)
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.unwrap();
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assert_eq!(
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fixture.store.recover_prepare(&owned).unwrap(),
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PrepareRecovery::RemovedOwnedStage
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);
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assert!(!fixture.root.join(&owned_stage).exists());
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}
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#[test]
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fn reclaim_refuses_forged_identity_and_leases() {
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let fixture = Fixture::new();
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"same",
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target: None,
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mode: 0o644,
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}]);
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let artifact = fixture
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.store
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.prepare(&fixture.request(70, &[(bytes, OCI_TAR)]))
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.unwrap();
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let lease = lazaret_core::records::ArtifactLease {
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prepared_artifact_id: artifact.prepared_artifact_id,
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domain_id: lazaret_core::identity::DomainId::new([71; 32]),
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generation_id: lazaret_core::identity::GenerationId::new(1),
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};
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fixture.catalog.acquire_lease(&lease).unwrap();
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assert!(matches!(
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fixture.store.reclaim(&artifact),
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Err(error @ PreparedLowerError::Catalog { .. })
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if matches!(error.downcast_ref::<CatalogError>(), Some(CatalogError::LeasesPresent))
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));
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fixture.catalog.release_lease(&lease).unwrap();
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let mut forged = artifact.clone();
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forged.inode = InodeId::new(artifact.inode.get() + 1);
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assert!(fixture.store.reclaim(&forged).is_err());
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assert!(fixture.artifact_root(&artifact).exists());
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}
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#[test]
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fn selected_gc_is_idempotent_only_at_the_durable_reclaim_boundary() {
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let fixture = Fixture::new();
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let artifact = fixture
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.store
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.prepare(&fixture.request(
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71,
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&[(
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layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"gc",
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target: None,
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mode: 0o644,
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}]),
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OCI_TAR,
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)],
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))
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.unwrap();
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let id = artifact.prepared_artifact_id;
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assert!(matches!(
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fixture.store.gc_artifacts(&[id, id]),
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Err(PreparedLowerError::Reclaim { .. })
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));
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let lease = lazaret_core::records::ArtifactLease {
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prepared_artifact_id: id,
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domain_id: lazaret_core::identity::DomainId::new([72; 32]),
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generation_id: lazaret_core::identity::GenerationId::new(1),
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};
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fixture.catalog.acquire_lease(&lease).unwrap();
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assert!(fixture.store.gc_artifacts(&[id]).is_err());
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fixture.catalog.release_lease(&lease).unwrap();
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let result = fixture.store.gc_artifacts(&[id]).unwrap();
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assert_eq!(result[0].prepared_artifact_id, id);
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assert_eq!(result[0].outcome, ReclaimOutcome::Removed);
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assert!(fixture.store.gc_artifacts(&[id]).is_err());
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}
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|
|
#[test]
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fn selected_artifact_excludes_gc_until_the_claim_is_released() {
|
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let fixture = Fixture::new();
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let artifact = fixture
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.store
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.prepare(&fixture.request(
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72,
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&[(
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layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"selected",
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target: None,
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mode: 0o644,
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}]),
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OCI_TAR,
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)],
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))
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.unwrap();
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let selected = fixture.store.select_artifact(&artifact).unwrap().unwrap();
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let (_, gc_store) = fixture.independent_store();
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let retained = gc_store
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.gc_artifacts(&[artifact.prepared_artifact_id])
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.unwrap();
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assert_eq!(retained[0].outcome, ReclaimOutcome::RetainedBySelection);
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assert_eq!(
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fixture.catalog.snapshot().unwrap().prepared_artifacts,
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vec![artifact.clone()]
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);
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assert!(fixture.artifact_root(&artifact).exists());
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drop(selected);
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let removed = gc_store
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.gc_artifacts(&[artifact.prepared_artifact_id])
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.unwrap();
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assert_eq!(removed[0].outcome, ReclaimOutcome::Removed);
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}
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|
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#[test]
|
|
fn selection_rebinds_to_an_equivalent_replacement() {
|
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let fixture = Fixture::new();
|
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let bytes = layer(&[Entry {
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path: "payload",
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kind: EntryType::Regular,
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data: b"replacement",
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target: None,
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mode: 0o644,
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}]);
|
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let request = fixture.request(73, &[(bytes, OCI_TAR)]);
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let first = fixture.store.prepare(&request).unwrap();
|
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assert_eq!(
|
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fixture.store.reclaim(&first).unwrap(),
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ReclaimOutcome::Removed
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);
|
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let replacement = fixture
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.store
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|
.prepare(&PrepareRequest {
|
|
operation_id: PrepareOperationId::new([74; 32]),
|
|
..request
|
|
})
|
|
.unwrap();
|
|
|
|
let selection = fixture.store.select_artifact(&first).unwrap().unwrap();
|
|
assert_eq!(selection.artifact(), &replacement);
|
|
assert_ne!(selection.artifact().inode, first.inode);
|
|
}
|
|
|
|
#[test]
|
|
fn destination_layout_is_materialized_and_canonical_in_artifact_identity() {
|
|
let fixture = Fixture::new();
|
|
let bytes = layer_with_owner(&[], 0, 0);
|
|
let mut first = fixture.request(72, &[(bytes.clone(), OCI_TAR)]);
|
|
first.id_map = id_map_with_container_root();
|
|
first.destinations = vec![
|
|
PreparedDestination {
|
|
path: "/root".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
},
|
|
PreparedDestination {
|
|
path: "/usr".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
},
|
|
PreparedDestination {
|
|
path: "/var".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
},
|
|
PreparedDestination {
|
|
path: "/etc".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
},
|
|
PreparedDestination {
|
|
path: "/opt".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
},
|
|
PreparedDestination {
|
|
path: "/etc/resolv.conf".into(),
|
|
kind: PreparedDestinationKind::RegularFile,
|
|
},
|
|
PreparedDestination {
|
|
path: "/etc/hosts".into(),
|
|
kind: PreparedDestinationKind::RegularFile,
|
|
},
|
|
PreparedDestination {
|
|
path: "/etc/hostname".into(),
|
|
kind: PreparedDestinationKind::RegularFile,
|
|
},
|
|
];
|
|
let artifact = fixture.store.prepare(&first).unwrap();
|
|
let root = fixture.artifact_root(&artifact);
|
|
for destination in ["root", "usr", "var", "etc", "opt"] {
|
|
assert!(root.join(destination).is_dir());
|
|
}
|
|
for destination in ["etc/resolv.conf", "etc/hosts", "etc/hostname"] {
|
|
assert!(root.join(destination).is_file());
|
|
}
|
|
|
|
let mut reordered = fixture.request(73, &[(bytes.clone(), OCI_TAR)]);
|
|
reordered.id_map = id_map_with_container_root();
|
|
reordered.destinations = first.destinations.iter().rev().cloned().collect();
|
|
assert_eq!(fixture.store.prepare(&reordered).unwrap(), artifact);
|
|
|
|
let mut unequal = fixture.request(74, &[(bytes, OCI_TAR)]);
|
|
unequal.id_map = id_map_with_container_root();
|
|
unequal.destinations = vec![PreparedDestination {
|
|
path: "/opt/other".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
}];
|
|
assert_ne!(
|
|
fixture
|
|
.store
|
|
.prepare(&unequal)
|
|
.unwrap()
|
|
.prepared_artifact_id,
|
|
artifact.prepared_artifact_id
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn destination_type_conflict_refuses_before_publication() {
|
|
let fixture = Fixture::new();
|
|
let bytes = layer_with_owner(
|
|
&[Entry {
|
|
path: "opt/lazaret-state",
|
|
kind: EntryType::Regular,
|
|
data: b"conflict",
|
|
target: None,
|
|
mode: 0o644,
|
|
}],
|
|
0,
|
|
0,
|
|
);
|
|
let mut request = fixture.request(75, &[(bytes, OCI_TAR)]);
|
|
request.id_map = id_map_with_container_root();
|
|
request.destinations = vec![PreparedDestination {
|
|
path: "/opt/lazaret-state".into(),
|
|
kind: PreparedDestinationKind::Directory,
|
|
}];
|
|
assert!(fixture.store.prepare(&request).is_err());
|
|
assert!(
|
|
fixture
|
|
.catalog
|
|
.snapshot()
|
|
.unwrap()
|
|
.prepared_artifacts
|
|
.is_empty()
|
|
);
|
|
}
|
|
|
|
fn id_map_with_container_root() -> IdMap {
|
|
IdMap {
|
|
uid: vec![IdMapRange {
|
|
container_id: 0,
|
|
namespace_id: rustix::process::geteuid().as_raw(),
|
|
size: 1,
|
|
}],
|
|
gid: vec![IdMapRange {
|
|
container_id: 0,
|
|
namespace_id: rustix::process::getegid().as_raw(),
|
|
size: 1,
|
|
}],
|
|
}
|
|
}
|
|
|
|
pub(super) fn hex(bytes: &[u8]) -> String {
|
|
use std::fmt::Write as _;
|
|
|
|
bytes.iter().fold(
|
|
String::with_capacity(bytes.len() * 2),
|
|
|mut output, byte| {
|
|
write!(output, "{byte:02x}").expect("writing to String cannot fail");
|
|
output
|
|
},
|
|
)
|
|
}
|