[#64] object/delete: Change the formation of tombstone

Make delete service to write list of child object addresses to tombstone
payload.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/services/object/delete/service.go

@@ -60,69 +60,96 @@ func (s *Service) Delete(ctx context.Context, prm *Prm) (*Response, error) {
 		return nil, errors.Errorf("(%T) missing owner identifier", s)
 	}
 
-	tool := &deleteTool{
+	addrList, err := s.getRelations(ctx, prm)
-		ctx:       ctx,
+	if err != nil {
-		putSvc:    s.putSvc,
+		return nil, errors.Wrapf(err, "(%T) could not get object relations", s)
-		obj:       newTombstone(ownerID, prm.addr.GetContainerID()),
-		addr:      prm.addr,
-		commonPrm: prm.common,
 	}
 
-	if linking, err := s.hdrLinking.HeadRelation(ctx, prm.addr); err != nil {
+	content := object.NewTombstoneContent()
-		if err := s.deleteAll(tool); err != nil {
+	content.SetAddressList(addrList...)
-			return nil, errors.Wrapf(err, "(%T) could not delete all object relations", s)
+
-		}
+	data, err := content.MarshalBinary()
-	} else {
+	if err != nil {
-		if err := tool.delete(prm.addr.GetObjectID()); err != nil {
+		return nil, errors.Wrapf(err, "(%T) could not marshal tombstone content", s)
-			return nil, errors.Wrapf(err, "(%T) could not delete object", s)
 	}
 
-		for _, child := range linking.GetChildren() {
+	r, err := s.putSvc.Put(ctx)
-			if err := tool.delete(child); err != nil {
+	if err != nil {
-				return nil, errors.Wrapf(err, "(%T) could not delete child object", s)
+		return nil, errors.Wrapf(err, "(%T) could not open put stream", s)
-			}
 	}
 
-		if err := tool.delete(linking.GetID()); err != nil {
+	if err := r.Init(new(putsvc.PutInitPrm).
-			return nil, errors.Wrapf(err, "(%T) could not delete linking object", s)
+		WithObject(newTombstone(ownerID, prm.addr.GetContainerID())).
+		WithCommonPrm(prm.common),
+	); err != nil {
+		return nil, errors.Wrapf(err, "(%T) could not initialize tombstone stream", s)
 	}
+
+	if err := r.SendChunk(new(putsvc.PutChunkPrm).
+		WithChunk(data),
+	); err != nil {
+		return nil, errors.Wrapf(err, "(%T) could not send tombstone payload", s)
+	}
+
+	if _, err := r.Close(); err != nil {
+		return nil, errors.Wrapf(err, "(%T) could not close tombstone stream", s)
 	}
 
 	return new(Response), nil
 }
 
-func (s *Service) deleteAll(tool *deleteTool) error {
+func (s *Service) getRelations(ctx context.Context, prm *Prm) ([]*objectSDK.Address, error) {
-	headResult, err := s.headSvc.Head(tool.ctx, new(headsvc.Prm).
+	var res []*objectSDK.Address
-		WithAddress(tool.addr).
+
-		WithCommonPrm(tool.commonPrm),
+	if linking, err := s.hdrLinking.HeadRelation(ctx, prm.addr); err != nil {
+		cid := prm.addr.GetContainerID()
+
+		for prev := prm.addr.GetObjectID(); prev != nil; {
+			addr := objectSDK.NewAddress()
+			addr.SetObjectID(prev)
+			addr.SetContainerID(cid)
+
+			headResult, err := s.headSvc.Head(ctx, new(headsvc.Prm).
+				WithAddress(addr).
+				WithCommonPrm(prm.common),
 			)
 			if err != nil {
-		return errors.Wrapf(err, "(%T) could not receive Head result", s)
+				return nil, errors.Wrapf(err, "(%T) could not receive Head result", s)
 			}
 
 			hdr := headResult.Header()
-
+			id := hdr.GetID()
-	if err := tool.delete(hdr.GetID()); err != nil {
+			prev = hdr.GetPreviousID()
-		return errors.Wrapf(err, "(%T) could not remove object", s)
-	}
-
-	prevID := hdr.GetPreviousID()
 
 			if rightChild := headResult.RightChild(); rightChild != nil {
-		if err := tool.delete(rightChild.GetID()); err != nil {
+				id = rightChild.GetID()
-			return errors.Wrapf(err, "(%T) could not remove right child", s)
+				prev = rightChild.GetPreviousID()
 			}
 
-		prevID = rightChild.GetPreviousID()
+			addr.SetObjectID(id)
+
+			res = append(res, addr)
+		}
+	} else {
+		childList := linking.GetChildren()
+		res = make([]*objectSDK.Address, 0, len(childList)+1)
+
+		for i := range childList {
+			addr := objectSDK.NewAddress()
+			addr.SetObjectID(childList[i])
+			addr.SetContainerID(prm.addr.GetContainerID())
+
+			res = append(res, addr)
 		}
 
-	if prevID != nil {
+		addr := objectSDK.NewAddress()
-		tool.addr.SetObjectID(prevID)
+		addr.SetObjectID(linking.GetID())
+		addr.SetContainerID(prm.addr.GetContainerID())
 
-		return s.deleteAll(tool)
+		res = append(res, addr)
 	}
 
-	return nil
+	return res, nil
 }
 
 func WithOwnerID(v *owner.ID) Option {

pkg/services/object/delete/util.go

@@ -1,29 +1,12 @@
 package deletesvc
 
 import (
-	"context"
-
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
-	putsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/put"
-	"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
-	"github.com/pkg/errors"
 )
 
-type deleteTool struct {
-	ctx context.Context
-
-	putSvc *putsvc.Service
-
-	obj *object.RawObject
-
-	addr *objectSDK.Address
-
-	commonPrm *util.CommonPrm
-}
-
 func newTombstone(ownerID *owner.ID, cid *container.ID) *object.RawObject {
 	obj := object.NewRaw()
 	obj.SetContainerID(cid)
@@ -32,40 +15,3 @@ func newTombstone(ownerID *owner.ID, cid *container.ID) *object.RawObject {
 
 	return obj
 }
-
-func (d *deleteTool) delete(id *objectSDK.ID) error {
-	d.addr.SetObjectID(id)
-
-	// FIXME: implement marshaler
-	addrBytes, err := d.addr.ToV2().StableMarshal(nil)
-	if err != nil {
-		return errors.Wrapf(err, "(%T) could not marshal address", d)
-	}
-
-	r, err := d.putSvc.Put(d.ctx)
-	if err != nil {
-		return errors.Wrapf(err, "(%T) could not open put stream", d)
-	}
-
-	d.obj.SetID(id)
-	d.obj.SetPayload(addrBytes)
-
-	if err := r.Init(new(putsvc.PutInitPrm).
-		WithObject(d.obj).
-		WithCommonPrm(d.commonPrm),
-	); err != nil {
-		return errors.Wrapf(err, "(%T) could not initialize tombstone stream", d)
-	}
-
-	if err := r.SendChunk(new(putsvc.PutChunkPrm).
-		WithChunk(addrBytes),
-	); err != nil {
-		return errors.Wrapf(err, "(%T) could not send tombstone payload", d)
-	}
-
-	if _, err := r.Close(); err != nil {
-		return errors.Wrapf(err, "(%T) could not close tombstone stream", d)
-	}
-
-	return nil
-}