[#984] blobovnicza: Do not fail rebuild on big objects

If blobovnicza contains objects larger than object size parameter
value, then rebuild fails with an error, because there is no such
bucket in database. This commit forces to create bucket on rebuild.

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

pkg/local_object_storage/blobstor/blobovniczatree/rebuild.go

@@ -402,6 +402,7 @@ func (i *moveIterator) tryMoveToLvl(ctx context.Context, lvlPath string) (bool,
 	var putPrm blobovnicza.PutPrm
 	putPrm.SetAddress(i.Address)
 	putPrm.SetMarshaledObject(i.ObjectData)
+	putPrm.SetForce(true)
 
 	_, err = target.Blobovnicza().Put(ctx, putPrm)
 	if err != nil {

pkg/local_object_storage/blobstor/blobovniczatree/rebuild_test.go

@@ -38,6 +38,73 @@ func TestBlobovniczaTreeRebuild(t *testing.T) {
 	})
 }
 
+func TestBlobovniczaTreeRebuildLargeObject(t *testing.T) {
+	t.Parallel()
+
+	dir := t.TempDir()
+	b := NewBlobovniczaTree(
+		WithLogger(test.NewLogger(t)),
+		WithObjectSizeLimit(64*1024), // 64KB object size limit
+		WithBlobovniczaShallowWidth(5),
+		WithBlobovniczaShallowDepth(2), // depth = 2
+		WithRootPath(dir),
+		WithBlobovniczaSize(100*1024),
+		WithWaitBeforeDropDB(0),
+		WithOpenedCacheSize(1000),
+		WithMoveBatchSize(3))
+	require.NoError(t, b.Open(false))
+	require.NoError(t, b.Init())
+
+	obj := blobstortest.NewObject(64 * 1024) // 64KB object
+	data, err := obj.Marshal()
+	require.NoError(t, err)
+	var prm common.PutPrm
+	prm.Address = object.AddressOf(obj)
+	prm.RawData = data
+	res, err := b.Put(context.Background(), prm)
+	require.NoError(t, err)
+
+	storageIDs := make(map[oid.Address][]byte)
+	storageIDs[prm.Address] = res.StorageID
+
+	require.NoError(t, b.Close())
+
+	b = NewBlobovniczaTree(
+		WithLogger(test.NewLogger(t)),
+		WithObjectSizeLimit(32*1024), // 32KB object size limit
+		WithBlobovniczaShallowWidth(5),
+		WithBlobovniczaShallowDepth(3), // depth = 3
+		WithRootPath(dir),
+		WithBlobovniczaSize(100*1024),
+		WithWaitBeforeDropDB(0),
+		WithOpenedCacheSize(1000),
+		WithMoveBatchSize(3))
+	require.NoError(t, b.Open(false))
+	require.NoError(t, b.Init())
+
+	metaStub := &storageIDUpdateStub{
+		storageIDs: storageIDs,
+		guard:      &sync.Mutex{},
+	}
+	var rPrm common.RebuildPrm
+	rPrm.MetaStorage = metaStub
+	rPrm.WorkerLimiter = &rebuildLimiterStub{}
+	rRes, err := b.Rebuild(context.Background(), rPrm)
+	require.NoError(t, err)
+	dataMigrated := rRes.ObjectsMoved > 0 || rRes.FilesRemoved > 0 || metaStub.updatedCount > 0
+	require.True(t, dataMigrated)
+
+	for addr, storageID := range storageIDs {
+		var gPrm common.GetPrm
+		gPrm.Address = addr
+		gPrm.StorageID = storageID
+		_, err := b.Get(context.Background(), gPrm)
+		require.NoError(t, err)
+	}
+
+	require.NoError(t, b.Close())
+}
+
 func testBlobovniczaTreeRebuildHelper(t *testing.T, sourceDepth, sourceWidth, targetDepth, targetWidth uint64, shouldMigrate bool) {
 	dir := t.TempDir()
 	b := NewBlobovniczaTree(