lotus/extern/sector-storage/faults.go
2020-09-07 15:48:41 -04:00

116 lines
3.2 KiB
Go

package sectorstorage
import (
"context"
"fmt"
"os"
"path/filepath"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/extern/sector-storage/stores"
)
// FaultTracker TODO: Track things more actively
type FaultTracker interface {
CheckProvable(ctx context.Context, spt abi.RegisteredSealProof, sectors []abi.SectorID) ([]abi.SectorID, error)
}
// CheckProvable returns unprovable sectors
func (m *Manager) CheckProvable(ctx context.Context, spt abi.RegisteredSealProof, sectors []abi.SectorID) ([]abi.SectorID, error) {
var bad []abi.SectorID
ssize, err := spt.SectorSize()
if err != nil {
return nil, err
}
// TODO: More better checks
for _, sector := range sectors {
err := func() error {
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
}
lp, _, err := m.localStore.AcquireSector(ctx, sector, spt, stores.FTSealed|stores.FTCache, stores.FTNone, stores.PathStorage, stores.AcquireMove)
if err != nil {
log.Warnw("CheckProvable Sector FAULT: acquire sector in checkProvable", "sector", sector, "error", err)
bad = append(bad, sector)
return nil
}
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
}
toCheck := map[string]int64{
lp.Sealed: 1,
filepath.Join(lp.Cache, "t_aux"): 0,
filepath.Join(lp.Cache, "p_aux"): 0,
}
addCachePathsForSectorSize(toCheck, lp.Cache, ssize)
for p, sz := range toCheck {
st, 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, "err", err)
bad = append(bad, sector)
return nil
}
if sz != 0 {
if st.Size() != int64(ssize)*sz {
log.Warnw("CheckProvable Sector FAULT: sector file is wrong size", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "file", p, "size", st.Size(), "expectSize", int64(ssize)*sz)
bad = append(bad, sector)
return nil
}
}
}
return nil
}()
if err != nil {
return nil, err
}
}
return bad, nil
}
func addCachePathsForSectorSize(chk map[string]int64, cacheDir string, ssize abi.SectorSize) {
switch ssize {
case 2 << 10:
fallthrough
case 8 << 20:
fallthrough
case 512 << 20:
chk[filepath.Join(cacheDir, "sc-02-data-tree-r-last.dat")] = 0
case 32 << 30:
for i := 0; i < 8; i++ {
chk[filepath.Join(cacheDir, fmt.Sprintf("sc-02-data-tree-r-last-%d.dat", i))] = 0
}
case 64 << 30:
for i := 0; i < 16; i++ {
chk[filepath.Join(cacheDir, fmt.Sprintf("sc-02-data-tree-r-last-%d.dat", i))] = 0
}
default:
log.Warnf("not checking cache files of %s sectors for faults", ssize)
}
}
var _ FaultTracker = &Manager{}