124 lines
3.6 KiB
Go
124 lines
3.6 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package rollup
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import (
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"context"
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"fmt"
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"time"
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"go.uber.org/zap"
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"storj.io/storj/pkg/accounting"
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"storj.io/storj/pkg/storj"
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)
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// Config contains configurable values for rollup
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type Config struct {
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Interval time.Duration `help:"how frequently rollup should run" devDefault:"120s" default:"6h"`
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}
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// Rollup is the service for totalling data on storage nodes on daily intervals
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type Rollup struct { // TODO: rename to service
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logger *zap.Logger
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ticker *time.Ticker
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db accounting.DB
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}
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// New creates a new rollup service
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func New(logger *zap.Logger, db accounting.DB, interval time.Duration) *Rollup {
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return &Rollup{
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logger: logger,
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ticker: time.NewTicker(interval),
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db: db,
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}
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}
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// Run the Rollup loop
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func (r *Rollup) Run(ctx context.Context) (err error) {
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r.logger.Info("Rollup service starting up")
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defer mon.Task()(&ctx)(&err)
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for {
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err = r.RollupRaws(ctx)
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if err != nil {
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r.logger.Error("Query failed", zap.Error(err))
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}
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select {
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case <-r.ticker.C: // wait for the next interval to happen
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case <-ctx.Done(): // or the Rollup is canceled via context
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return ctx.Err()
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}
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}
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}
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// RollupRaws rolls up raw tally
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func (r *Rollup) RollupRaws(ctx context.Context) error {
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// only Rollup new things - get LastRollup
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var latestTally time.Time
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lastRollup, err := r.db.LastTimestamp(ctx, accounting.LastRollup)
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if err != nil {
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return Error.Wrap(err)
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}
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tallies, err := r.db.GetRawSince(ctx, lastRollup)
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if err != nil {
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return Error.Wrap(err)
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}
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if len(tallies) == 0 {
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r.logger.Info("Rollup found no new tallies")
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return nil
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}
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//loop through tallies and build Rollup
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rollupStats := make(accounting.RollupStats)
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for _, tallyRow := range tallies {
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node := tallyRow.NodeID
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if tallyRow.CreatedAt.After(latestTally) {
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latestTally = tallyRow.CreatedAt
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}
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//create or get AccoutingRollup
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iDay := tallyRow.IntervalEndTime
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iDay = time.Date(iDay.Year(), iDay.Month(), iDay.Day(), 0, 0, 0, 0, iDay.Location())
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if rollupStats[iDay] == nil {
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rollupStats[iDay] = make(map[storj.NodeID]*accounting.Rollup)
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}
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if rollupStats[iDay][node] == nil {
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rollupStats[iDay][node] = &accounting.Rollup{NodeID: node, StartTime: iDay}
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}
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//increment Rollups
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switch tallyRow.DataType {
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case accounting.BandwidthPut:
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rollupStats[iDay][node].PutTotal += int64(tallyRow.DataTotal)
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case accounting.BandwidthGet:
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rollupStats[iDay][node].GetTotal += int64(tallyRow.DataTotal)
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case accounting.BandwidthGetAudit:
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rollupStats[iDay][node].GetAuditTotal += int64(tallyRow.DataTotal)
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case accounting.BandwidthGetRepair:
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rollupStats[iDay][node].GetRepairTotal += int64(tallyRow.DataTotal)
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case accounting.BandwidthPutRepair:
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rollupStats[iDay][node].PutRepairTotal += int64(tallyRow.DataTotal)
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case accounting.AtRest:
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rollupStats[iDay][node].AtRestTotal += tallyRow.DataTotal
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default:
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return Error.Wrap(fmt.Errorf("Bad tally datatype in Rollup : %d", tallyRow.DataType))
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}
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}
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//remove the latest day (which we cannot know is complete), then push to DB
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latestTally = time.Date(latestTally.Year(), latestTally.Month(), latestTally.Day(), 0, 0, 0, 0, latestTally.Location())
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delete(rollupStats, latestTally)
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if len(rollupStats) == 0 {
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r.logger.Info("Rollup only found tallies for today")
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return nil
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}
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err = r.db.SaveRollup(ctx, latestTally, rollupStats)
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if err != nil {
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return Error.Wrap(err)
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}
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//removed the rolled-up raws
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var rolledUpRawsHaveBeenSaved bool
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//todo: write files to disk or whatever we decide to do here
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if rolledUpRawsHaveBeenSaved {
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return Error.Wrap(r.db.DeleteRawBefore(ctx, latestTally))
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}
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return nil
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}
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