forked from TrueCloudLab/frostfs-node
[#58] services/object: Implement Delete service
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>support/v0.27
parent
b24adeae89
commit
017afbf0e3
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@ -0,0 +1,28 @@
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package deletesvc
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import (
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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)
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type Prm struct {
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common *util.CommonPrm
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addr *object.Address
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}
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func (p *Prm) WithCommonPrm(v *util.CommonPrm) *Prm {
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if p != nil {
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p.common = v
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}
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return p
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}
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func (p *Prm) WithAddress(v *object.Address) *Prm {
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if p != nil {
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p.addr = v
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}
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return p
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}
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package deletesvc
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type Response struct{}
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package deletesvc
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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headsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/head"
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putsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/put"
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objutil "github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/pkg/errors"
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)
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type Service struct {
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*cfg
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}
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type Option func(*cfg)
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type cfg struct {
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ownerID *owner.ID
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keyStorage *objutil.KeyStorage
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putSvc *putsvc.Service
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headSvc *headsvc.Service
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}
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func defaultCfg() *cfg {
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return new(cfg)
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}
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func NewService(opts ...Option) *Service {
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c := defaultCfg()
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for i := range opts {
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opts[i](c)
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}
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return &Service{
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cfg: c,
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}
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}
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func (s *Service) Delete(ctx context.Context, prm *Prm) (*Response, error) {
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ownerID := s.ownerID
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if token := prm.common.SessionToken(); token != nil {
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ownerID = token.OwnerID()
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}
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if ownerID == nil {
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return nil, errors.Errorf("(%T) missing owner identifier", s)
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}
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tool := &deleteTool{
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ctx: ctx,
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putSvc: s.putSvc,
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obj: newTombstone(ownerID, prm.addr.GetContainerID()),
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addr: prm.addr,
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commonPrm: prm.common,
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}
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if err := s.deleteAll(tool); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not delete all objcet relations", s)
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}
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return new(Response), nil
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}
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func (s *Service) deleteAll(tool *deleteTool) error {
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headResult, err := s.headSvc.Head(tool.ctx, new(headsvc.Prm).
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WithAddress(tool.addr).
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WithCommonPrm(tool.commonPrm),
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)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not receive Head result", s)
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}
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hdr := headResult.Header()
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if err := tool.delete(hdr.GetID()); err != nil {
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return errors.Wrapf(err, "(%T) could not remove object", s)
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}
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prevID := hdr.GetPreviousID()
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if rightChild := headResult.RightChild(); rightChild != nil {
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if err := tool.delete(rightChild.GetID()); err != nil {
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return errors.Wrapf(err, "(%T) could not remove right child", s)
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}
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prevID = rightChild.GetPreviousID()
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}
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if prevID != nil {
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tool.addr.SetObjectID(prevID)
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return s.deleteAll(tool)
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}
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return nil
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}
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func WithOwnerID(v *owner.ID) Option {
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return func(c *cfg) {
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c.ownerID = v
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}
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}
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func WithKeyStorage(v *objutil.KeyStorage) Option {
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return func(c *cfg) {
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c.keyStorage = v
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}
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}
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func WithPutService(v *putsvc.Service) Option {
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return func(c *cfg) {
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c.putSvc = v
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}
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}
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func WitHeadService(v *headsvc.Service) Option {
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return func(c *cfg) {
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c.headSvc = v
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}
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}
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@ -0,0 +1,71 @@
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package deletesvc
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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putsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/put"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/pkg/errors"
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)
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type deleteTool struct {
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ctx context.Context
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putSvc *putsvc.Service
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obj *object.RawObject
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addr *objectSDK.Address
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commonPrm *util.CommonPrm
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}
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func newTombstone(ownerID *owner.ID, cid *container.ID) *object.RawObject {
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obj := object.NewRaw()
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obj.SetContainerID(cid)
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obj.SetOwnerID(ownerID)
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obj.SetType(objectSDK.TypeTombstone)
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return obj
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}
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func (d *deleteTool) delete(id *objectSDK.ID) error {
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d.addr.SetObjectID(id)
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// FIXME: implement marshaler
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addrBytes, err := d.addr.ToV2().StableMarshal(nil)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not marshal address", d)
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}
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r, err := d.putSvc.Put(d.ctx)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not open put stream", d)
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}
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d.obj.SetID(id)
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d.obj.SetPayload(addrBytes)
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if err := r.Init(new(putsvc.PutInitPrm).
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WithObject(d.obj).
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WithCommonPrm(d.commonPrm),
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); err != nil {
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return errors.Wrapf(err, "(%T) could not initialize tombstone stream", d)
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}
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if err := r.SendChunk(new(putsvc.PutChunkPrm).
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WithChunk(addrBytes),
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); err != nil {
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return errors.Wrapf(err, "(%T) could not send tombstone payload", d)
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}
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if _, err := r.Close(); err != nil {
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return errors.Wrapf(err, "(%T) could not close tombstone stream", d)
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}
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return nil
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}
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package deletesvc
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import (
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"context"
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objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
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deletesvc "github.com/nspcc-dev/neofs-node/pkg/services/object/delete"
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"github.com/pkg/errors"
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)
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// Service implements Delete operation of Object service v2.
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type Service struct {
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*cfg
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}
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// Option represents Service constructor option.
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type Option func(*cfg)
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type cfg struct {
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svc *deletesvc.Service
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}
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// NewService constructs Service instance from provided options.
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func NewService(opts ...Option) *Service {
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c := new(cfg)
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for i := range opts {
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opts[i](c)
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}
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return &Service{
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cfg: c,
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}
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}
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// Delete calls internal service.
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func (s *Service) Delete(ctx context.Context, req *objectV2.DeleteRequest) (*objectV2.DeleteResponse, error) {
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r, err := s.svc.Delete(ctx, toPrm(req))
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if err != nil {
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return nil, errors.Wrapf(err, "(%T) could not get object header", s)
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}
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return fromResponse(r), nil
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}
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func WithInternalService(v *deletesvc.Service) Option {
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return func(c *cfg) {
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c.svc = v
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}
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}
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@ -0,0 +1,22 @@
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package deletesvc
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import (
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
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deletesvc "github.com/nspcc-dev/neofs-node/pkg/services/object/delete"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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)
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func toPrm(req *objectV2.DeleteRequest) *deletesvc.Prm {
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body := req.GetBody()
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return new(deletesvc.Prm).
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WithAddress(
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object.NewAddressFromV2(body.GetAddress()),
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).
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WithCommonPrm(util.CommonPrmFromV2(req))
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}
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func fromResponse(r *deletesvc.Response) *objectV2.DeleteResponse {
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return new(objectV2.DeleteResponse)
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}
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