storj/satellite/satellitedb/accounting.go
Bill Thorp fb4a11ebb0
Differentiate GET and PUT operations in the tally service (#965)
* draft of new bandwidth agreement types
* updated storagenode report for new types
* use correct pba types
2019-01-10 06:41:57 -05:00

104 lines
3.6 KiB
Go

// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package satellitedb
import (
"context"
"time"
"storj.io/storj/pkg/accounting"
"storj.io/storj/pkg/storj"
"storj.io/storj/pkg/utils"
dbx "storj.io/storj/satellite/satellitedb/dbx"
)
//database implements DB
type accountingDB struct {
db *dbx.DB
}
// LastRawTime records the greatest last tallied time
func (db *accountingDB) LastRawTime(ctx context.Context, timestampType string) (time.Time, bool, error) {
lastTally, err := db.db.Find_AccountingTimestamps_Value_By_Name(ctx, dbx.AccountingTimestamps_Name(timestampType))
if lastTally == nil {
return time.Time{}, true, err
}
return lastTally.Value, false, err
}
// SaveBWRaw records granular tallies (sums of bw agreement values) to the database
// and updates the LastRawTime
func (db *accountingDB) SaveBWRaw(ctx context.Context, latestBwa time.Time, bwTotals accounting.BWTally) (err error) {
// We use the latest bandwidth agreement value of a batch of records as the start of the next batch
// This enables us to not use:
// 1) local time (which may deviate from DB time)
// 2) absolute time intervals (where in processing time could exceed the interval, causing issues)
// 3) per-node latest times (which simply would require a lot more work, albeit more precise)
// Any change in these assumptions would result in a change to this function
// in particular, we should consider finding the sum of bwagreements using SQL sum() direct against the bwa table
if len(bwTotals) == 0 {
return Error.New("In SaveBWRaw with empty bwtotals")
}
//insert all records in a transaction so if we fail, we don't have partial info stored
tx, err := db.db.Open(ctx)
if err != nil {
return Error.Wrap(err)
}
defer func() {
if err == nil {
err = tx.Commit()
} else {
err = utils.CombineErrors(err, tx.Rollback())
}
}()
//create a granular record per node id
for actionType, bwActionTotals := range bwTotals {
for k, v := range bwActionTotals {
nID := dbx.AccountingRaw_NodeId(k)
end := dbx.AccountingRaw_IntervalEndTime(latestBwa)
total := dbx.AccountingRaw_DataTotal(v)
dataType := dbx.AccountingRaw_DataType(actionType)
_, err = tx.Create_AccountingRaw(ctx, nID, end, total, dataType)
if err != nil {
return Error.Wrap(err)
}
}
}
//save this batch's greatest time
update := dbx.AccountingTimestamps_Update_Fields{Value: dbx.AccountingTimestamps_Value(latestBwa)}
_, err = tx.Update_AccountingTimestamps_By_Name(ctx, dbx.AccountingTimestamps_Name(accounting.LastBandwidthTally), update)
return err
}
// SaveAtRestRaw records raw tallies of at rest data to the database
func (db *accountingDB) SaveAtRestRaw(ctx context.Context, latestTally time.Time, nodeData map[storj.NodeID]int64) error {
if len(nodeData) == 0 {
return Error.New("In SaveAtRestRaw with empty nodeData")
}
tx, err := db.db.Open(ctx)
if err != nil {
return Error.Wrap(err)
}
defer func() {
if err == nil {
err = tx.Commit()
} else {
err = utils.CombineErrors(err, tx.Rollback())
}
}()
for k, v := range nodeData {
nID := dbx.AccountingRaw_NodeId(k.String())
end := dbx.AccountingRaw_IntervalEndTime(latestTally)
total := dbx.AccountingRaw_DataTotal(v)
dataType := dbx.AccountingRaw_DataType(accounting.AtRest)
_, err = tx.Create_AccountingRaw(ctx, nID, end, total, dataType)
if err != nil {
return Error.Wrap(err)
}
}
update := dbx.AccountingTimestamps_Update_Fields{Value: dbx.AccountingTimestamps_Value(latestTally)}
_, err = tx.Update_AccountingTimestamps_By_Name(ctx, dbx.AccountingTimestamps_Name(accounting.LastAtRestTally), update)
return Error.Wrap(err)
}