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metabase: Properly check expiration epoch

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Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2024-08-14 11:36:28 +03:00
parent 9d1c915c42
commit bc0d9c5a03
2 changed files with 37 additions and 9 deletions
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3
pkg/local_object_storage/metabase/exists.go
View file

@ -123,7 +123,10 @@ func objectStatus(tx *bbolt.Tx, addr oid.Address, currEpoch uint64) uint8 {
if objectLocked(tx, addr.Container(), addr.Object()) {
return 0
}
return objectStatusUnlocked(tx, addr, currEpoch)
}
func objectStatusUnlocked(tx *bbolt.Tx, addr oid.Address, currEpoch uint64) uint8 {
// we check only if the object is expired in the current
// epoch since it is considered the only corner case: the
// GC is expected to collect all the objects that have

29
pkg/local_object_storage/metabase/get.go
View file

@ -3,8 +3,10 @@ package meta
import (
"context"
"fmt"
"strconv"
"time"
objectV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/metaerr"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
@ -87,18 +89,41 @@ func (db *DB) Get(ctx context.Context, prm GetPrm) (res GetRes, err error) {
return res, metaerr.Wrap(err)
}
func isExpiredAt(obj *objectSDK.Object, epoch uint64) bool {
attrs := obj.ToV2().GetHeader().GetAttributes() // Convert ToV2() to avoid allocations.
for i := range attrs {
if attrs[i].GetKey() == objectV2.SysAttributeExpEpoch {
val, err := strconv.ParseUint(attrs[i].GetValue(), 10, 64)
return err == nil && val < epoch
}
}
return false
}
func (db *DB) get(tx *bbolt.Tx, addr oid.Address, key []byte, checkStatus, raw bool, currEpoch uint64) (*objectSDK.Object, error) {
var locked bool
if checkStatus {
switch objectStatus(tx, addr, currEpoch) {
locked = objectLocked(tx, addr.Container(), addr.Object())
if !locked {
switch objectStatusUnlocked(tx, addr, currEpoch) {
case 1:
return nil, logicerr.Wrap(new(apistatus.ObjectNotFound))
case 2:
return nil, logicerr.Wrap(new(apistatus.ObjectAlreadyRemoved))
case 3:
}
}
}
obj, err := db.getNoExpired(tx, addr, key, raw)
if err != nil || !checkStatus {
return obj, err
}
if !locked && isExpiredAt(obj, currEpoch) {
return nil, ErrObjectIsExpired
}
return obj, nil
}
func (db *DB) getNoExpired(tx *bbolt.Tx, addr oid.Address, key []byte, raw bool) (*objectSDK.Object, error) {
key = objectKey(addr.Object(), key)
cnr := addr.Container()
obj := objectSDK.New()