forked from TrueCloudLab/frostfs-node
221 lines
6.5 KiB
Go
221 lines
6.5 KiB
Go
package engine
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"testing"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
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meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
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cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
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objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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const errSmallSize = 256
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func newEngineWithErrorThreshold(t testing.TB, dir string, errThreshold uint32) (*StorageEngine, string, [2]*shard.ID) {
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if dir == "" {
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var err error
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dir, err = os.MkdirTemp("", "*")
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require.NoError(t, err)
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t.Cleanup(func() { _ = os.RemoveAll(dir) })
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}
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e := New(
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WithLogger(zaptest.NewLogger(t)),
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WithShardPoolSize(1),
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WithErrorThreshold(errThreshold))
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var ids [2]*shard.ID
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var err error
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for i := range ids {
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ids[i], err = e.AddShard(
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shard.WithLogger(zaptest.NewLogger(t)),
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shard.WithBlobStorOptions(
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blobstor.WithRootPath(filepath.Join(dir, strconv.Itoa(i))),
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blobstor.WithShallowDepth(1),
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blobstor.WithBlobovniczaShallowWidth(1),
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blobstor.WithBlobovniczaShallowDepth(1),
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blobstor.WithSmallSizeLimit(errSmallSize),
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blobstor.WithRootPerm(0700)),
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shard.WithMetaBaseOptions(
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meta.WithPath(filepath.Join(dir, fmt.Sprintf("%d.metabase", i))),
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meta.WithPermissions(0700)),
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shard.WithPiloramaOptions(
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pilorama.WithPath(filepath.Join(dir, fmt.Sprintf("%d.pilorama", i))),
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pilorama.WithPerm(0700)))
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require.NoError(t, err)
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}
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require.NoError(t, e.Open())
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require.NoError(t, e.Init())
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return e, dir, ids
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}
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func TestErrorReporting(t *testing.T) {
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t.Run("ignore errors by default", func(t *testing.T) {
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e, dir, id := newEngineWithErrorThreshold(t, "", 0)
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obj := generateObjectWithCID(t, cidtest.ID())
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obj.SetPayload(make([]byte, errSmallSize))
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var prm shard.PutPrm
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prm.WithObject(obj)
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e.mtx.RLock()
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_, err := e.shards[id[0].String()].Shard.Put(prm)
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e.mtx.RUnlock()
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require.NoError(t, err)
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_, err = e.Get(GetPrm{addr: object.AddressOf(obj)})
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require.NoError(t, err)
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checkShardState(t, e, id[0], 0, shard.ModeReadWrite)
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checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
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corruptSubDir(t, filepath.Join(dir, "0"))
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for i := uint32(1); i < 3; i++ {
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_, err = e.Get(GetPrm{addr: object.AddressOf(obj)})
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require.Error(t, err)
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checkShardState(t, e, id[0], i, shard.ModeReadWrite)
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checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
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}
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})
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t.Run("with error threshold", func(t *testing.T) {
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const errThreshold = 3
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e, dir, id := newEngineWithErrorThreshold(t, "", errThreshold)
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obj := generateObjectWithCID(t, cidtest.ID())
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obj.SetPayload(make([]byte, errSmallSize))
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var prm shard.PutPrm
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prm.WithObject(obj)
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e.mtx.RLock()
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_, err := e.shards[id[0].String()].Put(prm)
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e.mtx.RUnlock()
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require.NoError(t, err)
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_, err = e.Get(GetPrm{addr: object.AddressOf(obj)})
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require.NoError(t, err)
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checkShardState(t, e, id[0], 0, shard.ModeReadWrite)
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checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
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corruptSubDir(t, filepath.Join(dir, "0"))
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for i := uint32(1); i < errThreshold; i++ {
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_, err = e.Get(GetPrm{addr: object.AddressOf(obj)})
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require.Error(t, err)
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checkShardState(t, e, id[0], i, shard.ModeReadWrite)
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checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
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}
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for i := uint32(0); i < 2; i++ {
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_, err = e.Get(GetPrm{addr: object.AddressOf(obj)})
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require.Error(t, err)
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checkShardState(t, e, id[0], errThreshold+i, shard.ModeDegraded)
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checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
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}
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require.NoError(t, e.SetShardMode(id[0], shard.ModeReadWrite, false))
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checkShardState(t, e, id[0], errThreshold+1, shard.ModeReadWrite)
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require.NoError(t, e.SetShardMode(id[0], shard.ModeReadWrite, true))
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checkShardState(t, e, id[0], 0, shard.ModeReadWrite)
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})
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}
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// Issue #1186.
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func TestBlobstorFailback(t *testing.T) {
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dir, err := os.MkdirTemp("", "*")
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require.NoError(t, err)
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t.Cleanup(func() { require.NoError(t, os.RemoveAll(dir)) })
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e, _, id := newEngineWithErrorThreshold(t, dir, 1)
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objs := make([]*objectSDK.Object, 0, 2)
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for _, size := range []int{15, errSmallSize + 1} {
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obj := generateObjectWithCID(t, cidtest.ID())
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obj.SetPayload(make([]byte, size))
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var prm shard.PutPrm
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prm.WithObject(obj)
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e.mtx.RLock()
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_, err = e.shards[id[0].String()].Shard.Put(prm)
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e.mtx.RUnlock()
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require.NoError(t, err)
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objs = append(objs, obj)
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}
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for i := range objs {
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addr := object.AddressOf(objs[i])
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_, err = e.Get(GetPrm{addr: addr})
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require.NoError(t, err)
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_, err = e.GetRange(RngPrm{addr: addr})
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require.NoError(t, err)
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}
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checkShardState(t, e, id[0], 0, shard.ModeReadWrite)
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require.NoError(t, e.Close())
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p1 := e.shards[id[0].String()].Shard.DumpInfo().BlobStorInfo.RootPath
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p2 := e.shards[id[1].String()].Shard.DumpInfo().BlobStorInfo.RootPath
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tmp := filepath.Join(dir, "tmp")
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require.NoError(t, os.Rename(p1, tmp))
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require.NoError(t, os.Rename(p2, p1))
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require.NoError(t, os.Rename(tmp, p2))
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e, _, id = newEngineWithErrorThreshold(t, dir, 1)
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for i := range objs {
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addr := object.AddressOf(objs[i])
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getRes, err := e.Get(GetPrm{addr: addr})
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require.NoError(t, err)
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require.Equal(t, objs[i], getRes.Object())
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rngRes, err := e.GetRange(RngPrm{addr: addr, off: 1, ln: 10})
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require.NoError(t, err)
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require.Equal(t, objs[i].Payload()[1:11], rngRes.Object().Payload())
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_, err = e.GetRange(RngPrm{addr: addr, off: errSmallSize + 10, ln: 1})
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require.ErrorIs(t, err, object.ErrRangeOutOfBounds)
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}
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checkShardState(t, e, id[0], 4, shard.ModeDegraded)
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checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
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}
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func checkShardState(t *testing.T, e *StorageEngine, id *shard.ID, errCount uint32, mode shard.Mode) {
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e.mtx.RLock()
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sh := e.shards[id.String()]
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e.mtx.RUnlock()
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require.Equal(t, mode, sh.GetMode())
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require.Equal(t, errCount, sh.errorCount.Load())
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}
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// corruptSubDir makes random directory except "blobovnicza" in blobstor FSTree unreadable.
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func corruptSubDir(t *testing.T, dir string) {
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de, err := os.ReadDir(dir)
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require.NoError(t, err)
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// FIXME(@cthulhu-rider): copy-paste of unexported const from blobstor package, see #1407
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const dirBlobovnicza = "blobovnicza"
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for i := range de {
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if de[i].IsDir() && de[i].Name() != dirBlobovnicza {
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require.NoError(t, os.Chmod(filepath.Join(dir, de[i].Name()), 0))
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return
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}
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}
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}
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