[#1103] node: Implement Get\Head requests for EC object

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

pkg/services/object/get/get.go

@@ -73,9 +73,12 @@ func (s *Service) get(ctx context.Context, prm RequestParameters) error {
 		remoteStorageConstructor: s.remoteStorageConstructor,
 		epochSource:              s.epochSource,
 		localStorage:             s.localStorage,
+		containerSource:          s.containerSource,
 
 		prm:       prm,
 		infoSplit: objectSDK.NewSplitInfo(),
+		infoEC:    objectSDK.NewECInfo(),
+		log:       s.log,
 	}
 
 	exec.setLogger(s.log)
@@ -106,6 +109,16 @@ func (exec *request) analyzeStatus(ctx context.Context, execCnr bool) {
 		exec.assemble(ctx)
 	case statusOutOfRange:
 		exec.log.Debug(logs.GetRequestedRangeIsOutOfObjectBounds)
+	case statusEC:
+		if !exec.isLocal() {
+			if execCnr {
+				exec.executeOnContainer(ctx)
+				exec.analyzeStatus(ctx, false)
+			} else {
+				exec.log.Debug(logs.GetRequestedObjectIsEC)
+				exec.assembleEC(ctx)
+			}
+		}
 	default:
 		exec.log.Debug(logs.OperationFinishedWithError,
 			zap.Error(exec.err),