frostfs-node/pkg/local_object_storage/shard/delete.go

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package shard
import (
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard/mode"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/writecache"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
"go.uber.org/zap"
)
// DeletePrm groups the parameters of Delete operation.
type DeletePrm struct {
addr []oid.Address
}
// DeleteRes groups the resulting values of Delete operation.
type DeleteRes struct{}
// SetAddresses is a Delete option to set the addresses of the objects to delete.
//
// Option is required.
func (p *DeletePrm) SetAddresses(addr ...oid.Address) {
p.addr = append(p.addr, addr...)
}
// Delete removes data from the shard's writeCache, metaBase and
// blobStor.
func (s *Shard) Delete(prm DeletePrm) (DeleteRes, error) {
if s.GetMode() != mode.ReadWrite {
return DeleteRes{}, ErrReadOnlyMode
}
ln := len(prm.addr)
var delSmallPrm blobstor.DeleteSmallPrm
var delBigPrm blobstor.DeleteBigPrm
smalls := make(map[oid.Address]*blobovnicza.ID, ln)
for i := range prm.addr {
if s.hasWriteCache() {
err := s.writeCache.Delete(prm.addr[i])
if err != nil && !writecache.IsErrNotFound(err) {
s.log.Error("can't delete object from write cache", zap.String("error", err.Error()))
}
}
var sPrm meta.IsSmallPrm
sPrm.WithAddress(prm.addr[i])
res, err := s.metaBase.IsSmall(sPrm)
if err != nil {
s.log.Debug("can't get blobovniczaID from metabase",
zap.Stringer("object", prm.addr[i]),
zap.String("error", err.Error()))
continue
}
if res.BlobovniczaID() != nil {
smalls[prm.addr[i]] = res.BlobovniczaID()
}
}
var delPrm meta.DeletePrm
delPrm.SetAddresses(prm.addr...)
_, err := s.metaBase.Delete(delPrm)
if err != nil {
return DeleteRes{}, err // stop on metabase error ?
}
for i := range prm.addr { // delete small object
if id, ok := smalls[prm.addr[i]]; ok {
delSmallPrm.SetAddress(prm.addr[i])
delSmallPrm.SetBlobovniczaID(id)
_, err = s.blobStor.DeleteSmall(delSmallPrm)
if err != nil {
s.log.Debug("can't remove small object from blobStor",
zap.Stringer("object_address", prm.addr[i]),
zap.String("error", err.Error()))
}
continue
}
// delete big object
delBigPrm.SetAddress(prm.addr[i])
_, err = s.blobStor.DeleteBig(delBigPrm)
if err != nil {
s.log.Debug("can't remove big object from blobStor",
zap.Stringer("object_address", prm.addr[i]),
zap.String("error", err.Error()))
}
}
return DeleteRes{}, nil
}