storj/satellite/satellitedb/reputations.go
Yingrong Zhao 6c7bf357cd satellite/{reputation,audit,overlay}: replace overlay with reputation
package in audit

This PR implements reputation store and replace overlay in audit service
to use such store for storing node's audit stats.

In order to keep the changeset smaller, most of the changes in this PR is for copying audit logic in overlay to
reputation package. In a following PR, the duplicating code will be
removed from overlay.

Change-Id: I16c12494a0970f44c422b26cf603c1dc489e5bc1
2021-07-28 13:10:48 -04:00

777 lines
26 KiB
Go

// Copyright (C) 2021 Storj Labs, Inc.
// See LICENSE for copying information.
package satellitedb
import (
"context"
"database/sql"
"errors"
"time"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/common/pb"
"storj.io/common/storj"
"storj.io/storj/satellite/internalpb"
"storj.io/storj/satellite/overlay"
"storj.io/storj/satellite/reputation"
"storj.io/storj/satellite/satellitedb/dbx"
)
var _ reputation.DB = (*reputations)(nil)
type reputations struct {
db *satelliteDB
}
func (reputations *reputations) Update(ctx context.Context, updateReq reputation.UpdateRequest, now time.Time) (_ *overlay.ReputationStatus, changed bool, err error) {
defer mon.Task()(&ctx)(&err)
nodeID := updateReq.NodeID
var dbNode *dbx.Reputation
var oldStatus overlay.ReputationStatus
err = reputations.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) (err error) {
_, err = tx.Tx.ExecContext(ctx, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE")
if err != nil {
return err
}
dbNode, err = tx.Get_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()))
if errors.Is(err, sql.ErrNoRows) {
historyBytes, err := pb.Marshal(&internalpb.AuditHistory{})
if err != nil {
return err
}
_, err = tx.Tx.ExecContext(ctx, `
INSERT INTO reputations (id, audit_history)
VALUES ($1, $2);
`, nodeID.Bytes(), historyBytes)
if err != nil {
return err
}
dbNode, err = tx.Get_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()))
if err != nil {
return err
}
} else if err != nil {
return err
}
// do not update reputation if node is disqualified
if dbNode.Disqualified != nil {
return nil
}
oldStatus = overlay.ReputationStatus{
Contained: dbNode.Contained,
Disqualified: dbNode.Disqualified,
UnknownAuditSuspended: dbNode.UnknownAuditSuspended,
OfflineSuspended: dbNode.OfflineSuspended,
VettedAt: dbNode.VettedAt,
}
isUp := updateReq.AuditOutcome != reputation.AuditOffline
auditHistoryResponse, err := reputations.updateAuditHistoryWithTx(ctx, tx, nodeID, now, isUp, updateReq.AuditHistory)
if err != nil {
return err
}
updateFields := reputations.populateUpdateFields(dbNode, updateReq, auditHistoryResponse, now)
dbNode, err = tx.Update_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()), updateFields)
return err
})
if err != nil {
return nil, false, Error.Wrap(err)
}
newStatus := overlay.ReputationStatus{
Contained: dbNode.Contained,
Disqualified: dbNode.Disqualified,
UnknownAuditSuspended: dbNode.UnknownAuditSuspended,
OfflineSuspended: dbNode.OfflineSuspended,
VettedAt: dbNode.VettedAt,
}
return getNodeStatus(dbNode), !oldStatus.Equal(newStatus), nil
}
// SetNodeStatus updates node reputation status.
func (reputations *reputations) SetNodeStatus(ctx context.Context, id storj.NodeID, status overlay.ReputationStatus) (err error) {
defer mon.Task()(&ctx)(&err)
updateFields := dbx.Reputation_Update_Fields{
Contained: dbx.Reputation_Contained(status.Contained),
Disqualified: dbx.Reputation_Disqualified_Raw(status.Disqualified),
UnknownAuditSuspended: dbx.Reputation_UnknownAuditSuspended_Raw(status.UnknownAuditSuspended),
OfflineSuspended: dbx.Reputation_OfflineSuspended_Raw(status.OfflineSuspended),
VettedAt: dbx.Reputation_VettedAt_Raw(status.VettedAt),
}
_, err = reputations.db.Update_Reputation_By_Id(ctx, dbx.Reputation_Id(id.Bytes()), updateFields)
if err != nil {
return Error.Wrap(err)
}
return nil
}
func (reputations *reputations) Get(ctx context.Context, nodeID storj.NodeID) (*reputation.Info, error) {
res, err := reputations.db.Get_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()))
if err != nil {
return nil, Error.Wrap(err)
}
history, err := convertAuditHistoryFromDBX(res.AuditHistory)
if err != nil {
return nil, err
}
return &reputation.Info{
AuditSuccessCount: res.AuditSuccessCount,
TotalAuditCount: res.TotalAuditCount,
VettedAt: res.VettedAt,
Contained: res.Contained,
Disqualified: res.Disqualified,
Suspended: res.Suspended,
UnknownAuditSuspended: res.UnknownAuditSuspended,
OfflineSuspended: res.OfflineSuspended,
UnderReview: res.UnderReview,
OnlineScore: res.OnlineScore,
AuditHistory: *history,
AuditReputationAlpha: res.AuditReputationAlpha,
AuditReputationBeta: res.AuditReputationBeta,
UnknownAuditReputationAlpha: res.UnknownAuditReputationAlpha,
UnknownAuditReputationBeta: res.UnknownAuditReputationBeta,
}, nil
}
// GetAuditHistory gets a node's audit history.
func (reputations *reputations) GetAuditHistory(ctx context.Context, nodeID storj.NodeID) (auditHistory *reputation.AuditHistory, err error) {
defer mon.Task()(&ctx)(&err)
dbAuditHistory, err := reputations.db.Get_AuditHistory_By_NodeId(
ctx,
dbx.AuditHistory_NodeId(nodeID.Bytes()),
)
if err != nil {
if errs.Is(err, sql.ErrNoRows) {
return nil, overlay.ErrNodeNotFound.New("no audit history for node")
}
return nil, err
}
history, err := reputations.auditHistoryFromPB(dbAuditHistory.History)
if err != nil {
return nil, err
}
return history, nil
}
func (reputations *reputations) auditHistoryFromPB(historyBytes []byte) (auditHistory *reputation.AuditHistory, err error) {
historyPB := &internalpb.AuditHistory{}
err = pb.Unmarshal(historyBytes, historyPB)
if err != nil {
return nil, err
}
history := &reputation.AuditHistory{
Score: historyPB.Score,
Windows: make([]*reputation.AuditWindow, len(historyPB.Windows)),
}
for i, window := range historyPB.Windows {
history.Windows[i] = &reputation.AuditWindow{
TotalCount: window.TotalCount,
OnlineCount: window.OnlineCount,
WindowStart: window.WindowStart,
}
}
return history, nil
}
// UpdateAuditHistory updates a node's audit history with an online or offline audit.
func (reputations *reputations) UpdateAuditHistory(ctx context.Context, nodeID storj.NodeID, auditTime time.Time, online bool, config reputation.AuditHistoryConfig) (res *reputation.UpdateAuditHistoryResponse, err error) {
defer mon.Task()(&ctx)(&err)
err = reputations.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) (err error) {
_, err = tx.Tx.ExecContext(ctx, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE")
if err != nil {
return err
}
res, err = reputations.updateAuditHistoryWithTx(ctx, tx, nodeID, auditTime, online, config)
if err != nil {
return err
}
return nil
})
return res, err
}
// DisqualifyNode disqualifies a storage node.
func (reputations *reputations) DisqualifyNode(ctx context.Context, nodeID storj.NodeID) (_ *overlay.ReputationStatus, err error) {
defer mon.Task()(&ctx)(&err)
var dbNode *dbx.Reputation
err = reputations.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) (err error) {
_, err = tx.Tx.ExecContext(ctx, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE")
if err != nil {
return err
}
_, err = tx.Get_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()))
if errors.Is(err, sql.ErrNoRows) {
historyBytes, err := pb.Marshal(&internalpb.AuditHistory{})
if err != nil {
return err
}
_, err = tx.Tx.ExecContext(ctx, `
INSERT INTO reputations (id, audit_history)
VALUES ($1, $2);
`, nodeID.Bytes(), historyBytes)
if err != nil {
return err
}
} else if err != nil {
return err
}
updateFields := dbx.Reputation_Update_Fields{}
updateFields.Disqualified = dbx.Reputation_Disqualified(time.Now().UTC())
dbNode, err = tx.Update_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()), updateFields)
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, Error.Wrap(err)
}
return &overlay.ReputationStatus{
Contained: dbNode.Contained,
Disqualified: dbNode.Disqualified,
UnknownAuditSuspended: dbNode.UnknownAuditSuspended,
OfflineSuspended: dbNode.OfflineSuspended,
VettedAt: dbNode.VettedAt,
}, nil
}
// SuspendNodeUnknownAudit suspends a storage node for unknown audits.
func (reputations *reputations) SuspendNodeUnknownAudit(ctx context.Context, nodeID storj.NodeID, suspendedAt time.Time) (_ *overlay.ReputationStatus, err error) {
defer mon.Task()(&ctx)(&err)
var dbNode *dbx.Reputation
err = reputations.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) (err error) {
_, err = tx.Tx.ExecContext(ctx, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE")
if err != nil {
return err
}
_, err = tx.Get_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()))
if errors.Is(err, sql.ErrNoRows) {
historyBytes, err := pb.Marshal(&internalpb.AuditHistory{})
if err != nil {
return err
}
_, err = tx.Tx.ExecContext(ctx, `
INSERT INTO reputations (id, audit_history)
VALUES ($1, $2);
`, nodeID.Bytes(), historyBytes)
if err != nil {
return err
}
} else if err != nil {
return err
}
updateFields := dbx.Reputation_Update_Fields{}
updateFields.UnknownAuditSuspended = dbx.Reputation_UnknownAuditSuspended(suspendedAt.UTC())
dbNode, err = tx.Update_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()), updateFields)
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, Error.Wrap(err)
}
return &overlay.ReputationStatus{
Contained: dbNode.Contained,
Disqualified: dbNode.Disqualified,
UnknownAuditSuspended: dbNode.UnknownAuditSuspended,
OfflineSuspended: dbNode.OfflineSuspended,
VettedAt: dbNode.VettedAt,
}, nil
}
// UnsuspendNodeUnknownAudit unsuspends a storage node for unknown audits.
func (reputations *reputations) UnsuspendNodeUnknownAudit(ctx context.Context, nodeID storj.NodeID) (_ *overlay.ReputationStatus, err error) {
defer mon.Task()(&ctx)(&err)
var dbNode *dbx.Reputation
err = reputations.db.WithTx(ctx, func(ctx context.Context, tx *dbx.Tx) (err error) {
_, err = tx.Tx.ExecContext(ctx, "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE")
if err != nil {
return err
}
_, err = tx.Get_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()))
if errors.Is(err, sql.ErrNoRows) {
historyBytes, err := pb.Marshal(&internalpb.AuditHistory{})
if err != nil {
return err
}
_, err = tx.Tx.ExecContext(ctx, `
INSERT INTO reputations (id, audit_history)
VALUES ($1, $2);
`, nodeID.Bytes(), historyBytes)
if err != nil {
return err
}
} else if err != nil {
return err
}
updateFields := dbx.Reputation_Update_Fields{}
updateFields.UnknownAuditSuspended = dbx.Reputation_UnknownAuditSuspended_Null()
dbNode, err = tx.Update_Reputation_By_Id(ctx, dbx.Reputation_Id(nodeID.Bytes()), updateFields)
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, Error.Wrap(err)
}
return &overlay.ReputationStatus{
Contained: dbNode.Contained,
Disqualified: dbNode.Disqualified,
UnknownAuditSuspended: dbNode.UnknownAuditSuspended,
OfflineSuspended: dbNode.OfflineSuspended,
VettedAt: dbNode.VettedAt,
}, nil
}
func (reputations *reputations) populateUpdateFields(dbNode *dbx.Reputation, updateReq reputation.UpdateRequest, auditHistoryResponse *reputation.UpdateAuditHistoryResponse, now time.Time) dbx.Reputation_Update_Fields {
update := reputations.populateUpdateNodeStats(dbNode, updateReq, auditHistoryResponse, now)
updateFields := dbx.Reputation_Update_Fields{}
if update.VettedAt.set {
updateFields.VettedAt = dbx.Reputation_VettedAt(update.VettedAt.value)
}
if update.TotalAuditCount.set {
updateFields.TotalAuditCount = dbx.Reputation_TotalAuditCount(update.TotalAuditCount.value)
}
if update.AuditReputationAlpha.set {
updateFields.AuditReputationAlpha = dbx.Reputation_AuditReputationAlpha(update.AuditReputationAlpha.value)
}
if update.AuditReputationBeta.set {
updateFields.AuditReputationBeta = dbx.Reputation_AuditReputationBeta(update.AuditReputationBeta.value)
}
if update.Disqualified.set {
updateFields.Disqualified = dbx.Reputation_Disqualified(update.Disqualified.value)
}
if update.UnknownAuditReputationAlpha.set {
updateFields.UnknownAuditReputationAlpha = dbx.Reputation_UnknownAuditReputationAlpha(update.UnknownAuditReputationAlpha.value)
}
if update.UnknownAuditReputationBeta.set {
updateFields.UnknownAuditReputationBeta = dbx.Reputation_UnknownAuditReputationBeta(update.UnknownAuditReputationBeta.value)
}
if update.UnknownAuditSuspended.set {
if update.UnknownAuditSuspended.isNil {
updateFields.UnknownAuditSuspended = dbx.Reputation_UnknownAuditSuspended_Null()
} else {
updateFields.UnknownAuditSuspended = dbx.Reputation_UnknownAuditSuspended(update.UnknownAuditSuspended.value)
}
}
if update.AuditSuccessCount.set {
updateFields.AuditSuccessCount = dbx.Reputation_AuditSuccessCount(update.AuditSuccessCount.value)
}
if update.Contained.set {
updateFields.Contained = dbx.Reputation_Contained(update.Contained.value)
}
if updateReq.AuditOutcome == reputation.AuditSuccess {
updateFields.AuditSuccessCount = dbx.Reputation_AuditSuccessCount(dbNode.AuditSuccessCount + 1)
}
if update.OnlineScore.set {
updateFields.OnlineScore = dbx.Reputation_OnlineScore(update.OnlineScore.value)
}
if update.OfflineSuspended.set {
if update.OfflineSuspended.isNil {
updateFields.OfflineSuspended = dbx.Reputation_OfflineSuspended_Null()
} else {
updateFields.OfflineSuspended = dbx.Reputation_OfflineSuspended(update.OfflineSuspended.value)
}
}
if update.OfflineUnderReview.set {
if update.OfflineUnderReview.isNil {
updateFields.UnderReview = dbx.Reputation_UnderReview_Null()
} else {
updateFields.UnderReview = dbx.Reputation_UnderReview(update.OfflineUnderReview.value)
}
}
return updateFields
}
func (reputations *reputations) populateUpdateNodeStats(dbNode *dbx.Reputation, updateReq reputation.UpdateRequest, auditHistoryResponse *reputation.UpdateAuditHistoryResponse, now time.Time) updateNodeStats {
// there are three audit outcomes: success, failure, and unknown
// if a node fails enough audits, it gets disqualified
// if a node gets enough "unknown" audits, it gets put into suspension
// if a node gets enough successful audits, and is in suspension, it gets removed from suspension
auditAlpha := dbNode.AuditReputationAlpha
auditBeta := dbNode.AuditReputationBeta
unknownAuditAlpha := dbNode.UnknownAuditReputationAlpha
unknownAuditBeta := dbNode.UnknownAuditReputationBeta
totalAuditCount := dbNode.TotalAuditCount
vettedAt := dbNode.VettedAt
var updatedTotalAuditCount int64
switch updateReq.AuditOutcome {
case reputation.AuditSuccess:
// for a successful audit, increase reputation for normal *and* unknown audits
auditAlpha, auditBeta, updatedTotalAuditCount = updateReputation(
true,
auditAlpha,
auditBeta,
updateReq.AuditLambda,
updateReq.AuditWeight,
totalAuditCount,
)
// we will use updatedTotalAuditCount from the updateReputation call above
unknownAuditAlpha, unknownAuditBeta, _ = updateReputation(
true,
unknownAuditAlpha,
unknownAuditBeta,
updateReq.AuditLambda,
updateReq.AuditWeight,
totalAuditCount,
)
case reputation.AuditFailure:
// for audit failure, only update normal alpha/beta
auditAlpha, auditBeta, updatedTotalAuditCount = updateReputation(
false,
auditAlpha,
auditBeta,
updateReq.AuditLambda,
updateReq.AuditWeight,
totalAuditCount,
)
case reputation.AuditUnknown:
// for audit unknown, only update unknown alpha/beta
unknownAuditAlpha, unknownAuditBeta, updatedTotalAuditCount = updateReputation(
false,
unknownAuditAlpha,
unknownAuditBeta,
updateReq.AuditLambda,
updateReq.AuditWeight,
totalAuditCount,
)
case reputation.AuditOffline:
// for audit offline, only update total audit count
updatedTotalAuditCount = totalAuditCount + 1
}
mon.FloatVal("audit_reputation_alpha").Observe(auditAlpha) //mon:locked
mon.FloatVal("audit_reputation_beta").Observe(auditBeta) //mon:locked
mon.FloatVal("unknown_audit_reputation_alpha").Observe(unknownAuditAlpha) //mon:locked
mon.FloatVal("unknown_audit_reputation_beta").Observe(unknownAuditBeta) //mon:locked
mon.FloatVal("audit_online_score").Observe(auditHistoryResponse.NewScore) //mon:locked
isUp := updateReq.AuditOutcome != reputation.AuditOffline
updateFields := updateNodeStats{
NodeID: updateReq.NodeID,
TotalAuditCount: int64Field{set: true, value: updatedTotalAuditCount},
AuditReputationAlpha: float64Field{set: true, value: auditAlpha},
AuditReputationBeta: float64Field{set: true, value: auditBeta},
UnknownAuditReputationAlpha: float64Field{set: true, value: unknownAuditAlpha},
UnknownAuditReputationBeta: float64Field{set: true, value: unknownAuditBeta},
// Updating node stats always exits it from containment mode
Contained: boolField{set: true, value: false},
// always update online score
OnlineScore: float64Field{set: true, value: auditHistoryResponse.NewScore},
}
if vettedAt == nil && updatedTotalAuditCount >= updateReq.AuditsRequiredForVetting {
updateFields.VettedAt = timeField{set: true, value: now}
}
// disqualification case a
// a) Success/fail audit reputation falls below audit DQ threshold
auditRep := auditAlpha / (auditAlpha + auditBeta)
if auditRep <= updateReq.AuditDQ {
reputations.db.log.Info("Disqualified", zap.String("DQ type", "audit failure"), zap.String("Node ID", updateReq.NodeID.String()))
mon.Meter("bad_audit_dqs").Mark(1) //mon:locked
updateFields.Disqualified = timeField{set: true, value: now}
}
// if unknown audit rep goes below threshold, suspend node. Otherwise unsuspend node.
unknownAuditRep := unknownAuditAlpha / (unknownAuditAlpha + unknownAuditBeta)
if unknownAuditRep <= updateReq.AuditDQ {
if dbNode.UnknownAuditSuspended == nil {
reputations.db.log.Info("Suspended", zap.String("Node ID", updateFields.NodeID.String()), zap.String("Category", "Unknown Audits"))
updateFields.UnknownAuditSuspended = timeField{set: true, value: now}
}
// disqualification case b
// b) Node is suspended (success/unknown reputation below audit DQ threshold)
// AND the suspended grace period has elapsed
// AND audit outcome is unknown or failed
// if suspended grace period has elapsed and audit outcome was failed or unknown,
// disqualify node. Set suspended to nil if node is disqualified
// NOTE: if updateFields.Suspended is set, we just suspended the node so it will not be disqualified
if updateReq.AuditOutcome != reputation.AuditSuccess {
if dbNode.UnknownAuditSuspended != nil && !updateFields.UnknownAuditSuspended.set &&
time.Since(*dbNode.UnknownAuditSuspended) > updateReq.SuspensionGracePeriod &&
updateReq.SuspensionDQEnabled {
reputations.db.log.Info("Disqualified", zap.String("DQ type", "suspension grace period expired for unknown audits"), zap.String("Node ID", updateReq.NodeID.String()))
mon.Meter("unknown_suspension_dqs").Mark(1) //mon:locked
updateFields.Disqualified = timeField{set: true, value: now}
updateFields.UnknownAuditSuspended = timeField{set: true, isNil: true}
}
}
} else if dbNode.UnknownAuditSuspended != nil {
reputations.db.log.Info("Suspension lifted", zap.String("Category", "Unknown Audits"), zap.String("Node ID", updateFields.NodeID.String()))
updateFields.UnknownAuditSuspended = timeField{set: true, isNil: true}
}
if isUp {
updateFields.LastContactSuccess = timeField{set: true, value: now}
} else {
updateFields.LastContactFailure = timeField{set: true, value: now}
}
if updateReq.AuditOutcome == reputation.AuditSuccess {
updateFields.AuditSuccessCount = int64Field{set: true, value: dbNode.AuditSuccessCount + 1}
}
// if suspension not enabled, skip penalization and unsuspend node if applicable
if !updateReq.AuditHistory.OfflineSuspensionEnabled {
if dbNode.OfflineSuspended != nil {
updateFields.OfflineSuspended = timeField{set: true, isNil: true}
}
if dbNode.UnderReview != nil {
updateFields.OfflineUnderReview = timeField{set: true, isNil: true}
}
return updateFields
}
// only penalize node if online score is below threshold and
// if it has enough completed windows to fill a tracking period
penalizeOfflineNode := false
if auditHistoryResponse.NewScore < updateReq.AuditHistory.OfflineThreshold && auditHistoryResponse.TrackingPeriodFull {
penalizeOfflineNode = true
}
// Suspension and disqualification for offline nodes
if dbNode.UnderReview != nil {
// move node in and out of suspension as needed during review period
if !penalizeOfflineNode && dbNode.OfflineSuspended != nil {
updateFields.OfflineSuspended = timeField{set: true, isNil: true}
} else if penalizeOfflineNode && dbNode.OfflineSuspended == nil {
updateFields.OfflineSuspended = timeField{set: true, value: now}
}
gracePeriodEnd := dbNode.UnderReview.Add(updateReq.AuditHistory.GracePeriod)
trackingPeriodEnd := gracePeriodEnd.Add(updateReq.AuditHistory.TrackingPeriod)
trackingPeriodPassed := now.After(trackingPeriodEnd)
// after tracking period has elapsed, if score is good, clear under review
// otherwise, disqualify node (if OfflineDQEnabled feature flag is true)
if trackingPeriodPassed {
if penalizeOfflineNode {
if updateReq.AuditHistory.OfflineDQEnabled {
reputations.db.log.Info("Disqualified", zap.String("DQ type", "node offline"), zap.String("Node ID", updateReq.NodeID.String()))
mon.Meter("offline_dqs").Mark(1) //mon:locked
updateFields.Disqualified = timeField{set: true, value: now}
}
} else {
updateFields.OfflineUnderReview = timeField{set: true, isNil: true}
updateFields.OfflineSuspended = timeField{set: true, isNil: true}
}
}
} else if penalizeOfflineNode {
// suspend node for being offline and begin review period
updateFields.OfflineUnderReview = timeField{set: true, value: now}
updateFields.OfflineSuspended = timeField{set: true, value: now}
}
return updateFields
}
func getNodeStatus(dbNode *dbx.Reputation) *overlay.ReputationStatus {
return &overlay.ReputationStatus{
Contained: dbNode.Contained,
VettedAt: dbNode.VettedAt,
Disqualified: dbNode.Disqualified,
UnknownAuditSuspended: dbNode.UnknownAuditSuspended,
OfflineSuspended: dbNode.OfflineSuspended,
}
}
func (reputations *reputations) updateAuditHistoryWithTx(ctx context.Context, tx *dbx.Tx, nodeID storj.NodeID, auditTime time.Time, online bool, config reputation.AuditHistoryConfig) (res *reputation.UpdateAuditHistoryResponse, err error) {
defer mon.Task()(&ctx)(&err)
res = &reputation.UpdateAuditHistoryResponse{
NewScore: 1,
TrackingPeriodFull: false,
}
// get and deserialize node audit history
historyBytes := []byte{}
newEntry := false
dbAuditHistory, err := tx.Get_AuditHistory_By_NodeId(
ctx,
dbx.AuditHistory_NodeId(nodeID.Bytes()),
)
if errs.Is(err, sql.ErrNoRows) {
// set flag to true so we know to create rather than update later
newEntry = true
} else if err != nil {
return res, Error.Wrap(err)
} else {
historyBytes = dbAuditHistory.History
}
history := &internalpb.AuditHistory{}
err = pb.Unmarshal(historyBytes, history)
if err != nil {
return res, err
}
err = recordAuditHistory(history, auditTime, online, config)
if err != nil {
return res, err
}
historyBytes, err = pb.Marshal(history)
if err != nil {
return res, err
}
// if the entry did not exist at the beginning, create a new one. Otherwise update
if newEntry {
_, err = tx.Create_AuditHistory(
ctx,
dbx.AuditHistory_NodeId(nodeID.Bytes()),
dbx.AuditHistory_History(historyBytes),
)
return res, Error.Wrap(err)
}
_, err = tx.Update_AuditHistory_By_NodeId(
ctx,
dbx.AuditHistory_NodeId(nodeID.Bytes()),
dbx.AuditHistory_Update_Fields{
History: dbx.AuditHistory_History(historyBytes),
},
)
windowsPerTrackingPeriod := int(config.TrackingPeriod.Seconds() / config.WindowSize.Seconds())
res.TrackingPeriodFull = len(history.Windows)-1 >= windowsPerTrackingPeriod
res.NewScore = history.Score
return res, Error.Wrap(err)
}
func convertAuditHistoryFromDBX(historyBytes []byte) (auditHistory *reputation.AuditHistory, err error) {
historyPB := &internalpb.AuditHistory{}
err = pb.Unmarshal(historyBytes, historyPB)
if err != nil {
return nil, err
}
history := &reputation.AuditHistory{
Score: historyPB.Score,
Windows: make([]*reputation.AuditWindow, len(historyPB.Windows)),
}
for i, window := range historyPB.Windows {
history.Windows[i] = &reputation.AuditWindow{
TotalCount: window.TotalCount,
OnlineCount: window.OnlineCount,
WindowStart: window.WindowStart,
}
}
return history, nil
}
func recordAuditHistory(a *internalpb.AuditHistory, auditTime time.Time, online bool, config reputation.AuditHistoryConfig) error {
newAuditWindowStartTime := auditTime.Truncate(config.WindowSize)
earliestWindow := newAuditWindowStartTime.Add(-config.TrackingPeriod)
// windowsModified is used to determine whether we will need to recalculate the score because windows have been added or removed.
windowsModified := false
// delete windows outside of tracking period scope
updatedWindows := a.Windows
for i, window := range a.Windows {
if window.WindowStart.Before(earliestWindow) {
updatedWindows = a.Windows[i+1:]
windowsModified = true
} else {
// windows are in order, so if this window is in the tracking period, we are done deleting windows
break
}
}
a.Windows = updatedWindows
// if there are no windows or the latest window has passed, add another window
if len(a.Windows) == 0 || a.Windows[len(a.Windows)-1].WindowStart.Before(newAuditWindowStartTime) {
windowsModified = true
a.Windows = append(a.Windows, &internalpb.AuditWindow{WindowStart: newAuditWindowStartTime})
}
latestIndex := len(a.Windows) - 1
if a.Windows[latestIndex].WindowStart.After(newAuditWindowStartTime) {
return Error.New("cannot add audit to audit history; window already passed")
}
// add new audit to latest window
if online {
a.Windows[latestIndex].OnlineCount++
}
a.Windows[latestIndex].TotalCount++
// if no windows were added or removed, score does not change
if !windowsModified {
return nil
}
if len(a.Windows) <= 1 {
a.Score = 1
return nil
}
totalWindowScores := 0.0
for i, window := range a.Windows {
// do not include last window in score
if i+1 == len(a.Windows) {
break
}
totalWindowScores += float64(window.OnlineCount) / float64(window.TotalCount)
}
// divide by number of windows-1 because last window is not included
a.Score = totalWindowScores / float64(len(a.Windows)-1)
return nil
}