lotus/storage/paths/index.go
2022-06-15 12:06:22 +02:00

490 lines
13 KiB
Go

package paths
import (
"context"
"errors"
"fmt"
"net/url"
gopath "path"
"sort"
"sync"
"time"
"go.opencensus.io/stats"
"go.opencensus.io/tag"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/lotus/metrics"
"github.com/filecoin-project/lotus/storage/sealer/fsutil"
"github.com/filecoin-project/lotus/storage/sealer/storiface"
)
var HeartbeatInterval = 10 * time.Second
var SkippedHeartbeatThresh = HeartbeatInterval * 5
//go:generate go run github.com/golang/mock/mockgen -destination=mocks/index.go -package=mocks . SectorIndex
type SectorIndex interface { // part of storage-miner api
StorageAttach(context.Context, storiface.StorageInfo, fsutil.FsStat) error
StorageInfo(context.Context, storiface.ID) (storiface.StorageInfo, error)
StorageReportHealth(context.Context, storiface.ID, storiface.HealthReport) error
StorageDeclareSector(ctx context.Context, storageID storiface.ID, s abi.SectorID, ft storiface.SectorFileType, primary bool) error
StorageDropSector(ctx context.Context, storageID storiface.ID, s abi.SectorID, ft storiface.SectorFileType) error
StorageFindSector(ctx context.Context, sector abi.SectorID, ft storiface.SectorFileType, ssize abi.SectorSize, allowFetch bool) ([]storiface.SectorStorageInfo, error)
StorageBestAlloc(ctx context.Context, allocate storiface.SectorFileType, ssize abi.SectorSize, pathType storiface.PathType) ([]storiface.StorageInfo, error)
// atomically acquire locks on all sector file types. close ctx to unlock
StorageLock(ctx context.Context, sector abi.SectorID, read storiface.SectorFileType, write storiface.SectorFileType) error
StorageTryLock(ctx context.Context, sector abi.SectorID, read storiface.SectorFileType, write storiface.SectorFileType) (bool, error)
StorageGetLocks(ctx context.Context) (storiface.SectorLocks, error)
StorageList(ctx context.Context) (map[storiface.ID][]storiface.Decl, error)
}
type declMeta struct {
storage storiface.ID
primary bool
}
type storageEntry struct {
info *storiface.StorageInfo
fsi fsutil.FsStat
lastHeartbeat time.Time
heartbeatErr error
}
type Index struct {
*indexLocks
lk sync.RWMutex
sectors map[storiface.Decl][]*declMeta
stores map[storiface.ID]*storageEntry
}
func NewIndex() *Index {
return &Index{
indexLocks: &indexLocks{
locks: map[abi.SectorID]*sectorLock{},
},
sectors: map[storiface.Decl][]*declMeta{},
stores: map[storiface.ID]*storageEntry{},
}
}
func (i *Index) StorageList(ctx context.Context) (map[storiface.ID][]storiface.Decl, error) {
i.lk.RLock()
defer i.lk.RUnlock()
byID := map[storiface.ID]map[abi.SectorID]storiface.SectorFileType{}
for id := range i.stores {
byID[id] = map[abi.SectorID]storiface.SectorFileType{}
}
for decl, ids := range i.sectors {
for _, id := range ids {
byID[id.storage][decl.SectorID] |= decl.SectorFileType
}
}
out := map[storiface.ID][]storiface.Decl{}
for id, m := range byID {
out[id] = []storiface.Decl{}
for sectorID, fileType := range m {
out[id] = append(out[id], storiface.Decl{
SectorID: sectorID,
SectorFileType: fileType,
})
}
}
return out, nil
}
func (i *Index) StorageAttach(ctx context.Context, si storiface.StorageInfo, st fsutil.FsStat) error {
i.lk.Lock()
defer i.lk.Unlock()
log.Infof("New sector storage: %s", si.ID)
if _, ok := i.stores[si.ID]; ok {
for _, u := range si.URLs {
if _, err := url.Parse(u); err != nil {
return xerrors.Errorf("failed to parse url %s: %w", si.URLs, err)
}
}
uloop:
for _, u := range si.URLs {
for _, l := range i.stores[si.ID].info.URLs {
if u == l {
continue uloop
}
}
i.stores[si.ID].info.URLs = append(i.stores[si.ID].info.URLs, u)
}
i.stores[si.ID].info.Weight = si.Weight
i.stores[si.ID].info.MaxStorage = si.MaxStorage
i.stores[si.ID].info.CanSeal = si.CanSeal
i.stores[si.ID].info.CanStore = si.CanStore
i.stores[si.ID].info.Groups = si.Groups
i.stores[si.ID].info.AllowTo = si.AllowTo
return nil
}
i.stores[si.ID] = &storageEntry{
info: &si,
fsi: st,
lastHeartbeat: time.Now(),
}
return nil
}
func (i *Index) StorageReportHealth(ctx context.Context, id storiface.ID, report storiface.HealthReport) error {
i.lk.Lock()
defer i.lk.Unlock()
ent, ok := i.stores[id]
if !ok {
return xerrors.Errorf("health report for unknown storage: %s", id)
}
ent.fsi = report.Stat
if report.Err != "" {
ent.heartbeatErr = errors.New(report.Err)
} else {
ent.heartbeatErr = nil
}
ent.lastHeartbeat = time.Now()
if report.Stat.Capacity > 0 {
ctx, _ = tag.New(ctx, tag.Upsert(metrics.StorageID, string(id)))
stats.Record(ctx, metrics.StorageFSAvailable.M(float64(report.Stat.FSAvailable)/float64(report.Stat.Capacity)))
stats.Record(ctx, metrics.StorageAvailable.M(float64(report.Stat.Available)/float64(report.Stat.Capacity)))
stats.Record(ctx, metrics.StorageReserved.M(float64(report.Stat.Reserved)/float64(report.Stat.Capacity)))
stats.Record(ctx, metrics.StorageCapacityBytes.M(report.Stat.Capacity))
stats.Record(ctx, metrics.StorageFSAvailableBytes.M(report.Stat.FSAvailable))
stats.Record(ctx, metrics.StorageAvailableBytes.M(report.Stat.Available))
stats.Record(ctx, metrics.StorageReservedBytes.M(report.Stat.Reserved))
if report.Stat.Max > 0 {
stats.Record(ctx, metrics.StorageLimitUsed.M(float64(report.Stat.Used)/float64(report.Stat.Max)))
stats.Record(ctx, metrics.StorageLimitUsedBytes.M(report.Stat.Used))
stats.Record(ctx, metrics.StorageLimitMaxBytes.M(report.Stat.Max))
}
}
return nil
}
func (i *Index) StorageDeclareSector(ctx context.Context, storageID storiface.ID, s abi.SectorID, ft storiface.SectorFileType, primary bool) error {
i.lk.Lock()
defer i.lk.Unlock()
loop:
for _, fileType := range storiface.PathTypes {
if fileType&ft == 0 {
continue
}
d := storiface.Decl{SectorID: s, SectorFileType: fileType}
for _, sid := range i.sectors[d] {
if sid.storage == storageID {
if !sid.primary && primary {
sid.primary = true
} else {
log.Warnf("sector %v redeclared in %s", s, storageID)
}
continue loop
}
}
i.sectors[d] = append(i.sectors[d], &declMeta{
storage: storageID,
primary: primary,
})
}
return nil
}
func (i *Index) StorageDropSector(ctx context.Context, storageID storiface.ID, s abi.SectorID, ft storiface.SectorFileType) error {
i.lk.Lock()
defer i.lk.Unlock()
for _, fileType := range storiface.PathTypes {
if fileType&ft == 0 {
continue
}
d := storiface.Decl{SectorID: s, SectorFileType: fileType}
if len(i.sectors[d]) == 0 {
continue
}
rewritten := make([]*declMeta, 0, len(i.sectors[d])-1)
for _, sid := range i.sectors[d] {
if sid.storage == storageID {
continue
}
rewritten = append(rewritten, sid)
}
if len(rewritten) == 0 {
delete(i.sectors, d)
continue
}
i.sectors[d] = rewritten
}
return nil
}
func (i *Index) StorageFindSector(ctx context.Context, s abi.SectorID, ft storiface.SectorFileType, ssize abi.SectorSize, allowFetch bool) ([]storiface.SectorStorageInfo, error) {
i.lk.RLock()
defer i.lk.RUnlock()
storageIDs := map[storiface.ID]uint64{}
isprimary := map[storiface.ID]bool{}
allowTo := map[storiface.Group]struct{}{}
for _, pathType := range storiface.PathTypes {
if ft&pathType == 0 {
continue
}
for _, id := range i.sectors[storiface.Decl{SectorID: s, SectorFileType: pathType}] {
storageIDs[id.storage]++
isprimary[id.storage] = isprimary[id.storage] || id.primary
}
}
out := make([]storiface.SectorStorageInfo, 0, len(storageIDs))
for id, n := range storageIDs {
st, ok := i.stores[id]
if !ok {
log.Warnf("storage %s is not present in sector index (referenced by sector %v)", id, s)
continue
}
urls, burls := make([]string, len(st.info.URLs)), make([]string, len(st.info.URLs))
for k, u := range st.info.URLs {
rl, err := url.Parse(u)
if err != nil {
return nil, xerrors.Errorf("failed to parse url: %w", err)
}
rl.Path = gopath.Join(rl.Path, ft.String(), storiface.SectorName(s))
urls[k] = rl.String()
burls[k] = u
}
if allowTo != nil && len(st.info.AllowTo) > 0 {
for _, group := range st.info.AllowTo {
allowTo[group] = struct{}{}
}
} else {
allowTo = nil // allow to any
}
out = append(out, storiface.SectorStorageInfo{
ID: id,
URLs: urls,
BaseURLs: burls,
Weight: st.info.Weight * n, // storage with more sector types is better
CanSeal: st.info.CanSeal,
CanStore: st.info.CanStore,
Primary: isprimary[id],
})
}
if allowFetch {
spaceReq, err := ft.SealSpaceUse(ssize)
if err != nil {
return nil, xerrors.Errorf("estimating required space: %w", err)
}
for id, st := range i.stores {
if !st.info.CanSeal {
continue
}
if spaceReq > uint64(st.fsi.Available) {
log.Debugf("not selecting on %s, out of space (available: %d, need: %d)", st.info.ID, st.fsi.Available, spaceReq)
continue
}
if time.Since(st.lastHeartbeat) > SkippedHeartbeatThresh {
log.Debugf("not selecting on %s, didn't receive heartbeats for %s", st.info.ID, time.Since(st.lastHeartbeat))
continue
}
if st.heartbeatErr != nil {
log.Debugf("not selecting on %s, heartbeat error: %s", st.info.ID, st.heartbeatErr)
continue
}
if _, ok := storageIDs[id]; ok {
continue
}
if allowTo != nil {
allow := false
for _, group := range st.info.Groups {
if _, found := allowTo[group]; found {
log.Debugf("path %s in allowed group %s", st.info.ID, group)
allow = true
break
}
}
if !allow {
log.Debugf("not selecting on %s, not in allowed group, allow %+v; path has %+v", st.info.ID, allowTo, st.info.Groups)
continue
}
}
urls, burls := make([]string, len(st.info.URLs)), make([]string, len(st.info.URLs))
for k, u := range st.info.URLs {
rl, err := url.Parse(u)
if err != nil {
return nil, xerrors.Errorf("failed to parse url: %w", err)
}
rl.Path = gopath.Join(rl.Path, ft.String(), storiface.SectorName(s))
urls[k] = rl.String()
burls[k] = u
}
out = append(out, storiface.SectorStorageInfo{
ID: id,
URLs: urls,
BaseURLs: burls,
Weight: st.info.Weight * 0, // TODO: something better than just '0'
CanSeal: st.info.CanSeal,
CanStore: st.info.CanStore,
Primary: false,
})
}
}
return out, nil
}
func (i *Index) StorageInfo(ctx context.Context, id storiface.ID) (storiface.StorageInfo, error) {
i.lk.RLock()
defer i.lk.RUnlock()
si, found := i.stores[id]
if !found {
return storiface.StorageInfo{}, xerrors.Errorf("sector store not found")
}
return *si.info, nil
}
func (i *Index) StorageBestAlloc(ctx context.Context, allocate storiface.SectorFileType, ssize abi.SectorSize, pathType storiface.PathType) ([]storiface.StorageInfo, error) {
i.lk.RLock()
defer i.lk.RUnlock()
var candidates []storageEntry
var err error
var spaceReq uint64
switch pathType {
case storiface.PathSealing:
spaceReq, err = allocate.SealSpaceUse(ssize)
case storiface.PathStorage:
spaceReq, err = allocate.StoreSpaceUse(ssize)
default:
panic(fmt.Sprintf("unexpected pathType: %s", pathType))
}
if err != nil {
return nil, xerrors.Errorf("estimating required space: %w", err)
}
for _, p := range i.stores {
if (pathType == storiface.PathSealing) && !p.info.CanSeal {
continue
}
if (pathType == storiface.PathStorage) && !p.info.CanStore {
continue
}
if spaceReq > uint64(p.fsi.Available) {
log.Debugf("not allocating on %s, out of space (available: %d, need: %d)", p.info.ID, p.fsi.Available, spaceReq)
continue
}
if time.Since(p.lastHeartbeat) > SkippedHeartbeatThresh {
log.Debugf("not allocating on %s, didn't receive heartbeats for %s", p.info.ID, time.Since(p.lastHeartbeat))
continue
}
if p.heartbeatErr != nil {
log.Debugf("not allocating on %s, heartbeat error: %s", p.info.ID, p.heartbeatErr)
continue
}
candidates = append(candidates, *p)
}
if len(candidates) == 0 {
return nil, xerrors.New("no good path found")
}
sort.Slice(candidates, func(i, j int) bool {
iw := big.Mul(big.NewInt(candidates[i].fsi.Available), big.NewInt(int64(candidates[i].info.Weight)))
jw := big.Mul(big.NewInt(candidates[j].fsi.Available), big.NewInt(int64(candidates[j].info.Weight)))
return iw.GreaterThan(jw)
})
out := make([]storiface.StorageInfo, len(candidates))
for i, candidate := range candidates {
out[i] = *candidate.info
}
return out, nil
}
func (i *Index) FindSector(id abi.SectorID, typ storiface.SectorFileType) ([]storiface.ID, error) {
i.lk.RLock()
defer i.lk.RUnlock()
f, ok := i.sectors[storiface.Decl{
SectorID: id,
SectorFileType: typ,
}]
if !ok {
return nil, nil
}
out := make([]storiface.ID, 0, len(f))
for _, meta := range f {
out = append(out, meta.storage)
}
return out, nil
}
var _ SectorIndex = &Index{}