[#1247] container: Return ContainerNotFound status error

Replace `core/container.ErrNotFound` error returned by `Source.Get`
interface method with `apistatus.ContainerNotFound` status error. This
error is returned by storage node's server as NeoFS API statuses.

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

pkg/services/object/acl/v2/errors.go

@@ -11,8 +11,6 @@ var (
 	ErrMalformedRequest = errors.New("malformed request")
 	// ErrUnknownRole is returned when role of the sender is unknown.
 	ErrUnknownRole = errors.New("can't classify request sender")
-	// ErrUnknownContainer is returned when container fetching errors appeared.
-	ErrUnknownContainer = errors.New("can't fetch container info")
 	// ErrInvalidVerb is returned when session token verb doesn't include necessary operation.
 	ErrInvalidVerb = errors.New("session token verb is invalid")
 )

pkg/services/object/acl/v2/service.go

@@ -2,6 +2,7 @@ package v2
 
 import (
 	"context"
+	"errors"
 	"fmt"
 
 	objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
@@ -410,8 +411,10 @@ func (b Service) findRequestInfo(
 	cid *cidSDK.ID,
 	op eaclSDK.Operation) (info RequestInfo, err error) {
 	cnr, err := b.containers.Get(cid) // fetch actual container
-	if err != nil || cnr.OwnerID() == nil {
-		return info, ErrUnknownContainer
+	if err != nil {
+		return info, err
+	} else if cnr.OwnerID() == nil {
+		return info, errors.New("missing owner in container descriptor")
 	}
 
 	// find request role and key

pkg/services/policer/check.go

@@ -2,7 +2,6 @@ package policer
 
 import (
 	"context"
-	"errors"
 	"strings"
 
 	"github.com/nspcc-dev/neofs-node/pkg/core/container"
@@ -21,7 +20,7 @@ func (p *Policer) processObject(ctx context.Context, addr *addressSDK.Address) {
 			zap.Stringer("cid", addr.ContainerID()),
 			zap.String("error", err.Error()),
 		)
-		if errors.Is(err, container.ErrNotFound) {
+		if container.IsErrNotFound(err) {
 			prm := new(engine.InhumePrm)
 			prm.MarkAsGarbage(addr)
 			_, err := p.jobQueue.localStorage.Inhume(prm)