frostfs-node/pkg/local_object_storage/writecache/writecachebadger/delete.go

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package writecachebadger
import (
"context"
"time"
storagelog "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/log"
"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-node/pkg/local_object_storage/writecache"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"github.com/dgraph-io/badger/v4"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
)
// Delete removes object from write-cache.
//
// Returns an error of type apistatus.ObjectNotFound if object is missing in write-cache.
func (c *cache) Delete(ctx context.Context, addr oid.Address) error {
_, span := tracing.StartSpanFromContext(ctx, "writecache.Delete",
trace.WithAttributes(
attribute.String("address", addr.EncodeToString()),
))
defer span.End()
deleted := false
storageType := writecache.StorageTypeUndefined
startedAt := time.Now()
defer func() {
c.metrics.Delete(time.Since(startedAt), deleted, storageType)
}()
c.modeMtx.RLock()
defer c.modeMtx.RUnlock()
if c.readOnly() {
return writecache.ErrReadOnly
}
saddr := addr.EncodeToString()
err := c.db.Update(func(tx *badger.Txn) error {
it, err := tx.Get([]byte(saddr))
if err != nil {
if err == badger.ErrKeyNotFound {
return logicerr.Wrap(new(apistatus.ObjectNotFound))
}
return err
}
if it.ValueSize() > 0 {
storageType = writecache.StorageTypeDB
err := tx.Delete([]byte(saddr))
if err == nil {
storagelog.Write(c.log,
storagelog.AddressField(saddr),
storagelog.StorageTypeField(wcStorageType),
storagelog.OpField("db DELETE"),
)
deleted = true
c.objCounters.DecDB()
}
return err
}
return nil
})
return metaerr.Wrap(err)
}