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service.go
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service.go
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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package orders
import (
"context"
"math"
mathrand "math/rand"
"sync"
"time"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/common/pb"
"storj.io/common/signing"
"storj.io/common/storj"
"storj.io/common/uuid"
"storj.io/storj/satellite/internalpb"
"storj.io/storj/satellite/metainfo/metabase"
"storj.io/storj/satellite/overlay"
"storj.io/uplink/private/eestream"
)
var (
// ErrDownloadFailedNotEnoughPieces is returned when download failed due to missing pieces.
ErrDownloadFailedNotEnoughPieces = errs.Class("not enough pieces for download")
// ErrDecryptOrderMetadata is returned when a step of decrypting metadata fails.
ErrDecryptOrderMetadata = errs.Class("decrytping order metadata")
)
// Config is a configuration struct for orders Service.
type Config struct {
EncryptionKeys EncryptionKeys `help:"encryption keys to encrypt info in orders" default:""`
Expiration time.Duration `help:"how long until an order expires" default:"48h"` // 2 days
SettlementBatchSize int `help:"how many orders to batch per transaction" default:"250"`
FlushBatchSize int `help:"how many items in the rollups write cache before they are flushed to the database" devDefault:"20" releaseDefault:"10000"`
FlushInterval time.Duration `help:"how often to flush the rollups write cache to the database" devDefault:"30s" releaseDefault:"1m"`
ReportedRollupsReadBatchSize int `help:"how many records to read in a single transaction when calculating billable bandwidth" default:"1000"`
NodeStatusLogging bool `hidden:"true" help:"deprecated, log the offline/disqualification status of nodes" default:"false"`
WindowEndpointRolloutPhase WindowEndpointRolloutPhase `help:"rollout phase for the windowed endpoint" default:"phase3"`
OrdersSemaphoreSize int `help:"how many concurrent orders to process at once. zero is unlimited" default:"2"`
}
// BucketsDB returns information about buckets.
type BucketsDB interface {
// GetBucketID returns an existing bucket id.
GetBucketID(ctx context.Context, bucket metabase.BucketLocation) (id uuid.UUID, err error)
}
// Service for creating order limits.
//
// architecture: Service
type Service struct {
log *zap.Logger
satellite signing.Signer
overlay *overlay.Service
orders DB
buckets BucketsDB
encryptionKeys EncryptionKeys
orderExpiration time.Duration
rngMu sync.Mutex
rng *mathrand.Rand
}
// NewService creates new service for creating order limits.
func NewService(
log *zap.Logger, satellite signing.Signer, overlay *overlay.Service,
orders DB, buckets BucketsDB,
config Config,
) (*Service, error) {
if config.EncryptionKeys.Default.IsZero() {
return nil, Error.New("encryption keys must be specified to include encrypted metadata")
}
return &Service{
log: log,
satellite: satellite,
overlay: overlay,
orders: orders,
buckets: buckets,
encryptionKeys: config.EncryptionKeys,
orderExpiration: config.Expiration,
rng: mathrand.New(mathrand.NewSource(time.Now().UnixNano())),
}, nil
}
// VerifyOrderLimitSignature verifies that the signature inside order limit belongs to the satellite.
func (service *Service) VerifyOrderLimitSignature(ctx context.Context, signed *pb.OrderLimit) (err error) {
defer mon.Task()(&ctx)(&err)
return signing.VerifyOrderLimitSignature(ctx, service.satellite, signed)
}
func (service *Service) updateBandwidth(ctx context.Context, bucket metabase.BucketLocation, addressedOrderLimits ...*pb.AddressedOrderLimit) (err error) {
defer mon.Task()(&ctx)(&err)
if len(addressedOrderLimits) == 0 {
return nil
}
var action pb.PieceAction
var bucketAllocation int64
for _, addressedOrderLimit := range addressedOrderLimits {
if addressedOrderLimit != nil && addressedOrderLimit.Limit != nil {
orderLimit := addressedOrderLimit.Limit
action = orderLimit.Action
bucketAllocation += orderLimit.Limit
}
}
now := time.Now().UTC()
intervalStart := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location())
// TODO: all of this below should be a single db transaction. in fact, this whole function should probably be part of an existing transaction
if err := service.orders.UpdateBucketBandwidthAllocation(ctx, bucket.ProjectID, []byte(bucket.BucketName), action, bucketAllocation, intervalStart); err != nil {
return Error.Wrap(err)
}
return nil
}
// CreateGetOrderLimits creates the order limits for downloading the pieces of pointer.
func (service *Service) CreateGetOrderLimits(ctx context.Context, bucket metabase.BucketLocation, pointer *pb.Pointer) (_ []*pb.AddressedOrderLimit, privateKey storj.PiecePrivateKey, err error) {
defer mon.Task()(&ctx)(&err)
redundancy, err := eestream.NewRedundancyStrategyFromProto(pointer.GetRemote().GetRedundancy())
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
pieceSize := eestream.CalcPieceSize(pointer.GetSegmentSize(), redundancy)
nodeIDs := make([]storj.NodeID, len(pointer.GetRemote().GetRemotePieces()))
for i, piece := range pointer.GetRemote().GetRemotePieces() {
nodeIDs[i] = piece.NodeId
}
nodes, err := service.overlay.GetOnlineNodesForGetDelete(ctx, nodeIDs)
if err != nil {
service.log.Debug("error getting nodes from overlay", zap.Error(err))
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
signer, err := NewSignerGet(service, pointer.GetRemote().RootPieceId, time.Now(), pieceSize, bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
neededLimits := pb.NewRedundancySchemeToStorj(pointer.GetRemote().GetRedundancy()).DownloadNodes()
pieces := pointer.GetRemote().GetRemotePieces()
for _, pieceIndex := range service.perm(len(pieces)) {
piece := pieces[pieceIndex]
node, ok := nodes[piece.NodeId]
if !ok {
continue
}
address := node.Address.Address
if node.LastIPPort != "" {
address = node.LastIPPort
}
_, err := signer.Sign(ctx, storj.NodeURL{
ID: piece.NodeId,
Address: address,
}, piece.PieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
if len(signer.AddressedLimits) >= int(neededLimits) {
break
}
}
if len(signer.AddressedLimits) < redundancy.RequiredCount() {
mon.Meter("download_failed_not_enough_pieces_uplink").Mark(1) //mon:locked
return nil, storj.PiecePrivateKey{}, ErrDownloadFailedNotEnoughPieces.New("not enough orderlimits: got %d, required %d", len(signer.AddressedLimits), redundancy.RequiredCount())
}
if err := service.updateBandwidth(ctx, bucket, signer.AddressedLimits...); err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
return signer.AddressedLimits, signer.PrivateKey, nil
}
func (service *Service) perm(n int) []int {
service.rngMu.Lock()
defer service.rngMu.Unlock()
return service.rng.Perm(n)
}
// CreatePutOrderLimits creates the order limits for uploading pieces to nodes.
func (service *Service) CreatePutOrderLimits(ctx context.Context, bucket metabase.BucketLocation, nodes []*overlay.SelectedNode, pieceExpiration time.Time, maxPieceSize int64) (_ storj.PieceID, _ []*pb.AddressedOrderLimit, privateKey storj.PiecePrivateKey, err error) {
defer mon.Task()(&ctx)(&err)
signer, err := NewSignerPut(service, pieceExpiration, time.Now(), maxPieceSize, bucket)
if err != nil {
return storj.PieceID{}, nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
for pieceNum, node := range nodes {
address := node.Address.Address
if node.LastIPPort != "" {
address = node.LastIPPort
}
_, err := signer.Sign(ctx, storj.NodeURL{ID: node.ID, Address: address}, int32(pieceNum))
if err != nil {
return storj.PieceID{}, nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
}
if err := service.updateBandwidth(ctx, bucket, signer.AddressedLimits...); err != nil {
return storj.PieceID{}, nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
return signer.RootPieceID, signer.AddressedLimits, signer.PrivateKey, nil
}
// CreateDeleteOrderLimits creates the order limits for deleting the pieces of pointer.
func (service *Service) CreateDeleteOrderLimits(ctx context.Context, bucket metabase.BucketLocation, pointer *pb.Pointer) (_ []*pb.AddressedOrderLimit, _ storj.PiecePrivateKey, err error) {
defer mon.Task()(&ctx)(&err)
nodeIDs := make([]storj.NodeID, len(pointer.GetRemote().GetRemotePieces()))
for i, piece := range pointer.GetRemote().GetRemotePieces() {
nodeIDs[i] = piece.NodeId
}
nodes, err := service.overlay.GetOnlineNodesForGetDelete(ctx, nodeIDs)
if err != nil {
service.log.Debug("error getting nodes from overlay", zap.Error(err))
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
signer, err := NewSignerDelete(service, pointer.GetRemote().RootPieceId, time.Now(), bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
var nodeErrors errs.Group
for _, piece := range pointer.GetRemote().GetRemotePieces() {
node, ok := nodes[piece.NodeId]
if !ok {
nodeErrors.Add(errs.New("node %q is not reliable", piece.NodeId))
continue
}
address := node.Address.Address
if node.LastIPPort != "" {
address = node.LastIPPort
}
_, err := signer.Sign(ctx, storj.NodeURL{ID: piece.NodeId, Address: address}, piece.PieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
}
if len(signer.AddressedLimits) == 0 {
return nil, storj.PiecePrivateKey{}, Error.New("failed creating order limits: %w", nodeErrors.Err())
}
return signer.AddressedLimits, signer.PrivateKey, nil
}
// CreateAuditOrderLimits creates the order limits for auditing the pieces of pointer.
func (service *Service) CreateAuditOrderLimits(ctx context.Context, bucket metabase.BucketLocation, pointer *pb.Pointer, skip map[storj.NodeID]bool) (_ []*pb.AddressedOrderLimit, _ storj.PiecePrivateKey, cachedIPsAndPorts map[storj.NodeID]string, err error) {
defer mon.Task()(&ctx)(&err)
redundancy := pointer.GetRemote().GetRedundancy()
shareSize := redundancy.GetErasureShareSize()
totalPieces := redundancy.GetTotal()
nodeIDs := make([]storj.NodeID, len(pointer.GetRemote().GetRemotePieces()))
for i, piece := range pointer.GetRemote().GetRemotePieces() {
nodeIDs[i] = piece.NodeId
}
nodes, err := service.overlay.GetOnlineNodesForGetDelete(ctx, nodeIDs)
if err != nil {
service.log.Debug("error getting nodes from overlay", zap.Error(err))
return nil, storj.PiecePrivateKey{}, nil, Error.Wrap(err)
}
signer, err := NewSignerAudit(service, pointer.GetRemote().RootPieceId, time.Now(), int64(shareSize), bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, nil, Error.Wrap(err)
}
cachedIPsAndPorts = make(map[storj.NodeID]string)
var nodeErrors errs.Group
var limitsCount int32
limits := make([]*pb.AddressedOrderLimit, totalPieces)
for _, piece := range pointer.GetRemote().GetRemotePieces() {
if skip[piece.NodeId] {
continue
}
node, ok := nodes[piece.NodeId]
if !ok {
nodeErrors.Add(errs.New("node %q is not reliable", piece.NodeId))
continue
}
address := node.Address.Address
if node.LastIPPort != "" {
cachedIPsAndPorts[piece.NodeId] = node.LastIPPort
}
limit, err := signer.Sign(ctx, storj.NodeURL{
ID: piece.NodeId,
Address: address,
}, piece.PieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, nil, Error.Wrap(err)
}
limits[piece.GetPieceNum()] = limit
limitsCount++
}
if limitsCount < redundancy.GetMinReq() {
err = Error.New("not enough nodes available: got %d, required %d", limitsCount, redundancy.GetMinReq())
return nil, storj.PiecePrivateKey{}, nil, errs.Combine(err, nodeErrors.Err())
}
if err := service.updateBandwidth(ctx, bucket, limits...); err != nil {
return nil, storj.PiecePrivateKey{}, nil, Error.Wrap(err)
}
return limits, signer.PrivateKey, cachedIPsAndPorts, nil
}
// CreateAuditOrderLimit creates an order limit for auditing a single the piece from a pointer.
func (service *Service) CreateAuditOrderLimit(ctx context.Context, bucket metabase.BucketLocation, nodeID storj.NodeID, pieceNum int32, rootPieceID storj.PieceID, shareSize int32) (limit *pb.AddressedOrderLimit, _ storj.PiecePrivateKey, cachedIPAndPort string, err error) {
// TODO reduce number of params ?
defer mon.Task()(&ctx)(&err)
node, err := service.overlay.Get(ctx, nodeID)
if err != nil {
return nil, storj.PiecePrivateKey{}, "", Error.Wrap(err)
}
if node.Disqualified != nil {
return nil, storj.PiecePrivateKey{}, "", overlay.ErrNodeDisqualified.New("%v", nodeID)
}
if node.ExitStatus.ExitFinishedAt != nil {
return nil, storj.PiecePrivateKey{}, "", overlay.ErrNodeFinishedGE.New("%v", nodeID)
}
if !service.overlay.IsOnline(node) {
return nil, storj.PiecePrivateKey{}, "", overlay.ErrNodeOffline.New("%v", nodeID)
}
signer, err := NewSignerAudit(service, rootPieceID, time.Now(), int64(shareSize), bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, "", Error.Wrap(err)
}
orderLimit, err := signer.Sign(ctx, storj.NodeURL{
ID: nodeID,
Address: node.Address.Address,
}, pieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, "", Error.Wrap(err)
}
if err := service.updateBandwidth(ctx, bucket, limit); err != nil {
return nil, storj.PiecePrivateKey{}, "", Error.Wrap(err)
}
return orderLimit, signer.PrivateKey, node.LastIPPort, nil
}
// CreateGetRepairOrderLimits creates the order limits for downloading the
// healthy pieces of pointer as the source for repair.
//
// The length of the returned orders slice is the total number of pieces of the
// segment, setting to null the ones which don't correspond to a healthy piece.
// CreateGetRepairOrderLimits creates the order limits for downloading the healthy pieces of pointer as the source for repair.
func (service *Service) CreateGetRepairOrderLimits(ctx context.Context, bucket metabase.BucketLocation, pointer *pb.Pointer, healthy []*pb.RemotePiece) (_ []*pb.AddressedOrderLimit, _ storj.PiecePrivateKey, err error) {
defer mon.Task()(&ctx)(&err)
redundancy, err := eestream.NewRedundancyStrategyFromProto(pointer.GetRemote().GetRedundancy())
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
pieceSize := eestream.CalcPieceSize(pointer.GetSegmentSize(), redundancy)
totalPieces := redundancy.TotalCount()
nodeIDs := make([]storj.NodeID, len(pointer.GetRemote().GetRemotePieces()))
for i, piece := range pointer.GetRemote().GetRemotePieces() {
nodeIDs[i] = piece.NodeId
}
nodes, err := service.overlay.GetOnlineNodesForGetDelete(ctx, nodeIDs)
if err != nil {
service.log.Debug("error getting nodes from overlay", zap.Error(err))
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
signer, err := NewSignerRepairGet(service, pointer.GetRemote().RootPieceId, time.Now(), pieceSize, bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
var nodeErrors errs.Group
var limitsCount int
limits := make([]*pb.AddressedOrderLimit, totalPieces)
for _, piece := range healthy {
node, ok := nodes[piece.NodeId]
if !ok {
nodeErrors.Add(errs.New("node %q is not reliable", piece.NodeId))
continue
}
limit, err := signer.Sign(ctx, storj.NodeURL{
ID: piece.NodeId,
Address: node.Address.Address,
}, piece.PieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
limits[piece.GetPieceNum()] = limit
limitsCount++
}
if limitsCount < redundancy.RequiredCount() {
err = Error.New("not enough nodes available: got %d, required %d", limitsCount, redundancy.RequiredCount())
return nil, storj.PiecePrivateKey{}, errs.Combine(err, nodeErrors.Err())
}
if err := service.updateBandwidth(ctx, bucket, limits...); err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
return limits, signer.PrivateKey, nil
}
// CreatePutRepairOrderLimits creates the order limits for uploading the repaired pieces of pointer to newNodes.
func (service *Service) CreatePutRepairOrderLimits(ctx context.Context, bucket metabase.BucketLocation, pointer *pb.Pointer, getOrderLimits []*pb.AddressedOrderLimit, newNodes []*overlay.SelectedNode, optimalThresholdMultiplier float64) (_ []*pb.AddressedOrderLimit, _ storj.PiecePrivateKey, err error) {
defer mon.Task()(&ctx)(&err)
// Create the order limits for being used to upload the repaired pieces
redundancy, err := eestream.NewRedundancyStrategyFromProto(pointer.GetRemote().GetRedundancy())
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
pieceSize := eestream.CalcPieceSize(pointer.GetSegmentSize(), redundancy)
totalPieces := redundancy.TotalCount()
totalPiecesAfterRepair := int(math.Ceil(float64(redundancy.OptimalThreshold()) * optimalThresholdMultiplier))
if totalPiecesAfterRepair > totalPieces {
totalPiecesAfterRepair = totalPieces
}
var numCurrentPieces int
for _, o := range getOrderLimits {
if o != nil {
numCurrentPieces++
}
}
totalPiecesToRepair := totalPiecesAfterRepair - numCurrentPieces
limits := make([]*pb.AddressedOrderLimit, totalPieces)
signer, err := NewSignerRepairPut(service, pointer.GetRemote().RootPieceId, pointer.ExpirationDate, time.Now(), pieceSize, bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
var pieceNum int32
for _, node := range newNodes {
for int(pieceNum) < totalPieces && getOrderLimits[pieceNum] != nil {
pieceNum++
}
if int(pieceNum) >= totalPieces { // should not happen
return nil, storj.PiecePrivateKey{}, Error.New("piece num greater than total pieces: %d >= %d", pieceNum, totalPieces)
}
limit, err := signer.Sign(ctx, storj.NodeURL{
ID: node.ID,
Address: node.Address.Address,
}, pieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
limits[pieceNum] = limit
pieceNum++
totalPiecesToRepair--
if totalPiecesToRepair == 0 {
break
}
}
if err := service.updateBandwidth(ctx, bucket, limits...); err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
return limits, signer.PrivateKey, nil
}
// CreateGracefulExitPutOrderLimit creates an order limit for graceful exit put transfers.
func (service *Service) CreateGracefulExitPutOrderLimit(ctx context.Context, bucket metabase.BucketLocation, nodeID storj.NodeID, pieceNum int32, rootPieceID storj.PieceID, shareSize int32) (limit *pb.AddressedOrderLimit, _ storj.PiecePrivateKey, err error) {
defer mon.Task()(&ctx)(&err)
// should this use KnownReliable or similar?
node, err := service.overlay.Get(ctx, nodeID)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
if node.Disqualified != nil {
return nil, storj.PiecePrivateKey{}, overlay.ErrNodeDisqualified.New("%v", nodeID)
}
if !service.overlay.IsOnline(node) {
return nil, storj.PiecePrivateKey{}, overlay.ErrNodeOffline.New("%v", nodeID)
}
signer, err := NewSignerGracefulExit(service, rootPieceID, time.Now(), shareSize, bucket)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
address := node.Address.Address
if node.LastIPPort != "" {
address = node.LastIPPort
}
nodeURL := storj.NodeURL{ID: nodeID, Address: address}
limit, err = signer.Sign(ctx, nodeURL, pieceNum)
if err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
if err := service.updateBandwidth(ctx, bucket, limit); err != nil {
return nil, storj.PiecePrivateKey{}, Error.Wrap(err)
}
return limit, signer.PrivateKey, nil
}
// UpdateGetInlineOrder updates amount of inline GET bandwidth for given bucket.
func (service *Service) UpdateGetInlineOrder(ctx context.Context, bucket metabase.BucketLocation, amount int64) (err error) {
defer mon.Task()(&ctx)(&err)
now := time.Now().UTC()
intervalStart := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location())
return service.orders.UpdateBucketBandwidthInline(ctx, bucket.ProjectID, []byte(bucket.BucketName), pb.PieceAction_GET, amount, intervalStart)
}
// UpdatePutInlineOrder updates amount of inline PUT bandwidth for given bucket.
func (service *Service) UpdatePutInlineOrder(ctx context.Context, bucket metabase.BucketLocation, amount int64) (err error) {
defer mon.Task()(&ctx)(&err)
now := time.Now().UTC()
intervalStart := time.Date(now.Year(), now.Month(), now.Day(), now.Hour(), 0, 0, 0, now.Location())
return service.orders.UpdateBucketBandwidthInline(ctx, bucket.ProjectID, []byte(bucket.BucketName), pb.PieceAction_PUT, amount, intervalStart)
}
// DecryptOrderMetadata decrypts the order metadata.
func (service *Service) DecryptOrderMetadata(ctx context.Context, order *pb.OrderLimit) (_ *internalpb.OrderLimitMetadata, err error) {
defer mon.Task()(&ctx)(&err)
var orderKeyID EncryptionKeyID
copy(orderKeyID[:], order.EncryptedMetadataKeyId)
var key = service.encryptionKeys.Default
if key.ID != orderKeyID {
val, ok := service.encryptionKeys.KeyByID[orderKeyID]
if !ok {
return nil, ErrDecryptOrderMetadata.New("no encryption key found that matches the order.EncryptedMetadataKeyId")
}
key = EncryptionKey{
ID: orderKeyID,
Key: val,
}
}
return key.DecryptMetadata(order.SerialNumber, order.EncryptedMetadata)
}