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