lotus/faults.go

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package sectorstorage
import (
"context"
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"os"
"path/filepath"
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"golang.org/x/xerrors"
"github.com/filecoin-project/sector-storage/stores"
"github.com/filecoin-project/specs-actors/actors/abi"
)
// TODO: Track things more actively
type FaultTracker interface {
CheckProvable(ctx context.Context, spt abi.RegisteredProof, sectors []abi.SectorID) ([]abi.SectorID, error)
}
// Returns unprovable sectors
func (m *Manager) CheckProvable(ctx context.Context, spt abi.RegisteredProof, sectors []abi.SectorID) ([]abi.SectorID, error) {
var bad []abi.SectorID
// TODO: More better checks
for _, sector := range sectors {
err := func() error {
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ctx, cancel := context.WithCancel(ctx)
defer cancel()
locked, err := m.index.StorageTryLock(ctx, sector, stores.FTSealed|stores.FTCache, stores.FTNone)
if err != nil {
return xerrors.Errorf("acquiring sector lock: %w", err)
}
if !locked {
log.Warnw("CheckProvable Sector FAULT: can't acquire read lock", "sector", sector, "sealed")
bad = append(bad, sector)
return nil
}
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lp, _, err := m.localStore.AcquireSector(ctx, sector, spt, stores.FTSealed|stores.FTCache, stores.FTNone, false, stores.AcquireMove)
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if err != nil {
return xerrors.Errorf("acquire sector in checkProvable: %w", err)
}
if lp.Sealed == "" || lp.Cache == "" {
log.Warnw("CheckProvable Sector FAULT: cache an/or sealed paths not found", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache)
bad = append(bad, sector)
return nil
}
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toCheck := []string{
lp.Sealed,
filepath.Join(lp.Cache, "t_aux"),
filepath.Join(lp.Cache, "p_aux"),
filepath.Join(lp.Cache, "sc-02-data-tree-r-last.dat"),
}
for _, p := range toCheck {
_, err := os.Stat(p)
if err != nil {
log.Warnw("CheckProvable Sector FAULT: sector file stat error", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "file", p)
bad = append(bad, sector)
return nil
}
}
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return nil
}()
if err != nil {
return nil, err
}
}
return bad, nil
}
var _ FaultTracker = &Manager{}