[#148] linter: Add gocognit linter

Code with high cognitive complexity is hard intuitively to understand

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/services/object/get/v2/util.go

@@ -33,7 +33,7 @@ import (
 
 var errWrongMessageSeq = errors.New("incorrect message sequence")
 
-// nolint: funlen
+// nolint: funlen, gocognit
 func (s *Service) toPrm(req *objectV2.GetRequest, stream objectSvc.GetObjectStream) (*getsvc.Prm, error) {
 	body := req.GetBody()
 
@@ -200,7 +200,7 @@ func (s *Service) toPrm(req *objectV2.GetRequest, stream objectSvc.GetObjectStre
 	return p, nil
 }
 
-// nolint: funlen
+// nolint: funlen, gocognit
 func (s *Service) toRangePrm(req *objectV2.GetRangeRequest, stream objectSvc.GetObjectRangeStream) (*getsvc.RangePrm, error) {
 	body := req.GetBody()
 
@@ -426,7 +426,7 @@ func (w *headResponseWriter) WriteHeader(_ context.Context, hdr *object.Object)
 	return nil
 }
 
-// nolint: funlen
+// nolint: funlen, gocognit
 func (s *Service) toHeadPrm(ctx context.Context, req *objectV2.HeadRequest, resp *objectV2.HeadResponse) (*getsvc.HeadPrm, error) {
 	body := req.GetBody()
 

pkg/services/object/search/v2/util.go

@@ -22,7 +22,7 @@ import (
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 )
 
-// nolint: funlen
+// nolint: funlen, gocognit
 func (s *Service) toPrm(req *objectV2.SearchRequest, stream objectSvc.SearchStream) (*searchsvc.Prm, error) {
 	body := req.GetBody()
 

pkg/services/object/util/chain.go

@@ -72,7 +72,7 @@ func TraverseSplitChain(r HeadReceiver, addr oid.Address, h SplitMemberHandler)
 	return err
 }
 
-// nolint: funlen
+// nolint: funlen, gocognit
 func traverseSplitChain(r HeadReceiver, addr oid.Address, h SplitMemberHandler) (bool, error) {
 	v, err := r.Head(addr)
 	if err != nil {