fix: ensure piece store starts before calling lotus accessor methods

This commit is contained in:
Dirk McCormick 2021-07-21 13:31:20 +02:00
parent 1452a361a9
commit 0dbb1940f0
8 changed files with 53 additions and 49 deletions

View File

@ -3,6 +3,7 @@ package dagstore
import (
"context"
"io"
"sync"
"github.com/ipfs/go-cid"
"golang.org/x/xerrors"
@ -12,26 +13,36 @@ import (
)
type LotusAccessor interface {
Start(ctx context.Context) error
FetchUnsealedPiece(ctx context.Context, pieceCid cid.Cid) (io.ReadCloser, error)
GetUnpaddedCARSize(pieceCid cid.Cid) (uint64, error)
GetUnpaddedCARSize(ctx context.Context, pieceCid cid.Cid) (uint64, error)
}
type lotusAccessor struct {
pieceStore piecestore.PieceStore
rm retrievalmarket.RetrievalProviderNode
startLk sync.Mutex
started bool
startErr error
}
var _ LotusAccessor = (*lotusAccessor)(nil)
func NewLotusMountAPI(store piecestore.PieceStore, rm retrievalmarket.RetrievalProviderNode) *lotusAccessor {
func NewLotusAccessor(store piecestore.PieceStore, rm retrievalmarket.RetrievalProviderNode) *lotusAccessor {
return &lotusAccessor{
pieceStore: store,
rm: rm,
}
}
func (m *lotusAccessor) Start(ctx context.Context) error {
func (m *lotusAccessor) start(ctx context.Context) error {
m.startLk.Lock()
defer m.startLk.Unlock()
if m.started {
return m.startErr
}
// Wait for the piece store to startup
ready := make(chan error)
m.pieceStore.OnReady(func(err error) {
@ -47,6 +58,7 @@ func (m *lotusAccessor) Start(ctx context.Context) error {
case err := <-ready:
// Piece store has started up, check if there was an error
if err != nil {
m.startErr = err
return err
}
}
@ -56,6 +68,11 @@ func (m *lotusAccessor) Start(ctx context.Context) error {
}
func (m *lotusAccessor) FetchUnsealedPiece(ctx context.Context, pieceCid cid.Cid) (io.ReadCloser, error) {
err := m.start(ctx)
if err != nil {
return nil, err
}
pieceInfo, err := m.pieceStore.GetPieceInfo(pieceCid)
if err != nil {
return nil, xerrors.Errorf("failed to fetch pieceInfo for piece %s: %w", pieceCid, err)
@ -100,7 +117,12 @@ func (m *lotusAccessor) FetchUnsealedPiece(ctx context.Context, pieceCid cid.Cid
return nil, lastErr
}
func (m *lotusAccessor) GetUnpaddedCARSize(pieceCid cid.Cid) (uint64, error) {
func (m *lotusAccessor) GetUnpaddedCARSize(ctx context.Context, pieceCid cid.Cid) (uint64, error) {
err := m.start(ctx)
if err != nil {
return 0, err
}
pieceInfo, err := m.pieceStore.GetPieceInfo(pieceCid)
if err != nil {
return 0, xerrors.Errorf("failed to fetch pieceInfo for piece %s: %w", pieceCid, err)

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@ -65,7 +65,7 @@ func TestLotusAccessorFetchUnsealedPiece(t *testing.T) {
rpn := &mockRPN{
sectors: mockData,
}
api := NewLotusMountAPI(ps, rpn)
api := NewLotusAccessor(ps, rpn)
// Add deals to piece store
for _, sectorID := range tc.deals {
@ -94,12 +94,13 @@ func TestLotusAccessorFetchUnsealedPiece(t *testing.T) {
}
func TestLotusAccessorGetUnpaddedCARSize(t *testing.T) {
ctx := context.Background()
cid1, err := cid.Parse("bafkqaaa")
require.NoError(t, err)
ps := getPieceStore(t)
rpn := &mockRPN{}
api := NewLotusMountAPI(ps, rpn)
api := NewLotusAccessor(ps, rpn)
// Add a deal with data Length 10
dealInfo := piecestore.DealInfo{
@ -109,7 +110,7 @@ func TestLotusAccessorGetUnpaddedCARSize(t *testing.T) {
require.NoError(t, err)
// Check that the data length is correct
len, err := api.GetUnpaddedCARSize(cid1)
len, err := api.GetUnpaddedCARSize(ctx, cid1)
require.NoError(t, err)
require.EqualValues(t, 10, len)
}
@ -120,14 +121,14 @@ func getPieceStore(t *testing.T) piecestore.PieceStore {
err = ps.Start(context.Background())
require.NoError(t, err)
ready := make(chan error)
ps.OnReady(func(err error) {
ready <- err
})
err = <-ready
require.NoError(t, err)
//
//ready := make(chan error)
//ps.OnReady(func(err error) {
// ready <- err
//})
//err = <-ready
//require.NoError(t, err)
//
return ps
}

View File

@ -52,30 +52,16 @@ func (mr *MockLotusAccessorMockRecorder) FetchUnsealedPiece(ctx, pieceCid interf
}
// GetUnpaddedCARSize mocks base method.
func (m *MockLotusAccessor) GetUnpaddedCARSize(pieceCid cid.Cid) (uint64, error) {
func (m *MockLotusAccessor) GetUnpaddedCARSize(ctx context.Context, pieceCid cid.Cid) (uint64, error) {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "GetUnpaddedCARSize", pieceCid)
ret := m.ctrl.Call(m, "GetUnpaddedCARSize", ctx, pieceCid)
ret0, _ := ret[0].(uint64)
ret1, _ := ret[1].(error)
return ret0, ret1
}
// GetUnpaddedCARSize indicates an expected call of GetUnpaddedCARSize.
func (mr *MockLotusAccessorMockRecorder) GetUnpaddedCARSize(pieceCid interface{}) *gomock.Call {
func (mr *MockLotusAccessorMockRecorder) GetUnpaddedCARSize(ctx, pieceCid interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUnpaddedCARSize", reflect.TypeOf((*MockLotusAccessor)(nil).GetUnpaddedCARSize), pieceCid)
}
// Start mocks base method.
func (m *MockLotusAccessor) Start(ctx context.Context) error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Start", ctx)
ret0, _ := ret[0].(error)
return ret0
}
// Start indicates an expected call of Start.
func (mr *MockLotusAccessorMockRecorder) Start(ctx interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Start", reflect.TypeOf((*MockLotusAccessor)(nil).Start), ctx)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUnpaddedCARSize", reflect.TypeOf((*MockLotusAccessor)(nil).GetUnpaddedCARSize), ctx, pieceCid)
}

View File

@ -75,8 +75,8 @@ func (l *LotusMount) Close() error {
return nil
}
func (l *LotusMount) Stat(_ context.Context) (mount.Stat, error) {
size, err := l.Api.GetUnpaddedCARSize(l.PieceCid)
func (l *LotusMount) Stat(ctx context.Context) (mount.Stat, error) {
size, err := l.Api.GetUnpaddedCARSize(ctx, l.PieceCid)
if err != nil {
return mount.Stat{}, xerrors.Errorf("failed to fetch piece size for piece %s: %w", l.PieceCid, err)
}

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@ -29,7 +29,7 @@ func TestLotusMount(t *testing.T) {
mockLotusMountAPI := mock_dagstore.NewMockLotusAccessor(mockCtrl)
mockLotusMountAPI.EXPECT().FetchUnsealedPiece(gomock.Any(), cid).Return(&readCloser{ioutil.NopCloser(strings.NewReader("testing"))}, nil).Times(1)
mockLotusMountAPI.EXPECT().FetchUnsealedPiece(gomock.Any(), cid).Return(&readCloser{ioutil.NopCloser(strings.NewReader("testing"))}, nil).Times(1)
mockLotusMountAPI.EXPECT().GetUnpaddedCARSize(cid).Return(uint64(100), nil).Times(1)
mockLotusMountAPI.EXPECT().GetUnpaddedCARSize(ctx, cid).Return(uint64(100), nil).Times(1)
mnt, err := NewLotusMount(cid, mockLotusMountAPI)
require.NoError(t, err)
@ -93,6 +93,7 @@ func TestLotusMountDeserialize(t *testing.T) {
}
func TestLotusMountRegistration(t *testing.T) {
ctx := context.Background()
bgen := blocksutil.NewBlockGenerator()
cid := bgen.Next().Cid()
@ -113,7 +114,7 @@ func TestLotusMountRegistration(t *testing.T) {
mnt, err := registry.Instantiate(u)
require.NoError(t, err)
mockLotusMountAPI.EXPECT().GetUnpaddedCARSize(cid).Return(uint64(100), nil).Times(1)
mockLotusMountAPI.EXPECT().GetUnpaddedCARSize(ctx, cid).Return(uint64(100), nil).Times(1)
stat, err := mnt.Stat(context.Background())
require.NoError(t, err)
require.EqualValues(t, 100, stat.Size)

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@ -96,20 +96,13 @@ func NewDagStoreWrapper(cfg MarketDAGStoreConfig, mountApi LotusAccessor) (*Wrap
}, nil
}
func (ds *Wrapper) Start(ctx context.Context) error {
func (ds *Wrapper) Start(ctx context.Context) {
ds.ctx, ds.cancel = context.WithCancel(ctx)
err := ds.mountApi.Start(ctx)
if err != nil {
return xerrors.Errorf("failed to start mount API: %w", err)
}
ds.backgroundWg.Add(1)
// Run a go-routine to handle failures, traces and GC
go ds.background()
return nil
}
func (ds *Wrapper) background() {

View File

@ -189,7 +189,7 @@ func (m mockLotusMount) FetchUnsealedPiece(ctx context.Context, pieceCid cid.Cid
panic("implement me")
}
func (m mockLotusMount) GetUnpaddedCARSize(pieceCid cid.Cid) (uint64, error) {
func (m mockLotusMount) GetUnpaddedCARSize(ctx context.Context, pieceCid cid.Cid) (uint64, error) {
panic("implement me")
}

View File

@ -591,7 +591,7 @@ func DagStoreWrapper(
Datastore: dagStoreDS,
GCInterval: 5 * time.Minute,
}
mountApi := dagstore.NewLotusMountAPI(pieceStore, rpn)
mountApi := dagstore.NewLotusAccessor(pieceStore, rpn)
dsw, err := dagstore.NewDagStoreWrapper(cfg, mountApi)
if err != nil {
return nil, xerrors.Errorf("failed to create DAG store wrapper: %w", err)
@ -599,7 +599,8 @@ func DagStoreWrapper(
lc.Append(fx.Hook{
OnStart: func(ctx context.Context) error {
return dsw.Start(ctx)
dsw.Start(ctx)
return nil
},
OnStop: func(context.Context) error {
return dsw.Close()