storj/storagenode/storagenodedb/storageusage.go
Egon Elbre 81d53b8097 storagenode/storagenodedb: fixes to row handling
Change-Id: I3813310b48337428f13678a9fcba5c8a0e0b2b2a
2020-01-16 15:08:37 +00:00

154 lines
4.0 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package storagenodedb
import (
"context"
"database/sql"
"time"
"github.com/zeebo/errs"
"storj.io/common/storj"
"storj.io/storj/storagenode/storageusage"
)
// StorageUsageDBName represents the database name.
const StorageUsageDBName = "storage_usage"
// storageUsageDB storage usage DB
type storageUsageDB struct {
dbContainerImpl
}
// Store stores storage usage stamps to db replacing conflicting entries
func (db *storageUsageDB) Store(ctx context.Context, stamps []storageusage.Stamp) (err error) {
defer mon.Task()(&ctx)(&err)
if len(stamps) == 0 {
return nil
}
query := `INSERT OR REPLACE INTO storage_usage(satellite_id, at_rest_total, interval_start)
VALUES(?,?,?)`
return withTx(ctx, db.GetDB(), func(tx *sql.Tx) error {
for _, stamp := range stamps {
_, err = tx.ExecContext(ctx, query, stamp.SatelliteID, stamp.AtRestTotal, stamp.IntervalStart.UTC())
if err != nil {
return err
}
}
return nil
})
}
// GetDaily returns daily storage usage stamps for particular satellite
// for provided time range
func (db *storageUsageDB) GetDaily(ctx context.Context, satelliteID storj.NodeID, from, to time.Time) (_ []storageusage.Stamp, err error) {
defer mon.Task()(&ctx)(&err)
query := `SELECT satellite_id,
SUM(at_rest_total),
interval_start
FROM storage_usage
WHERE satellite_id = ?
AND ? <= interval_start AND interval_start <= ?
GROUP BY DATE(interval_start)
ORDER BY interval_start`
rows, err := db.QueryContext(ctx, query, satelliteID, from.UTC(), to.UTC())
if err != nil {
return nil, err
}
defer func() { err = errs.Combine(err, rows.Close()) }()
var stamps []storageusage.Stamp
for rows.Next() {
var satellite storj.NodeID
var atRestTotal float64
var intervalStart time.Time
err = rows.Scan(&satellite, &atRestTotal, &intervalStart)
if err != nil {
return nil, err
}
stamps = append(stamps, storageusage.Stamp{
SatelliteID: satellite,
AtRestTotal: atRestTotal,
IntervalStart: intervalStart,
})
}
return stamps, rows.Err()
}
// GetDailyTotal returns daily storage usage stamps summed across all known satellites
// for provided time range
func (db *storageUsageDB) GetDailyTotal(ctx context.Context, from, to time.Time) (_ []storageusage.Stamp, err error) {
defer mon.Task()(&ctx)(&err)
query := `SELECT SUM(at_rest_total), interval_start
FROM storage_usage
WHERE ? <= interval_start AND interval_start <= ?
GROUP BY DATE(interval_start)
ORDER BY interval_start`
rows, err := db.QueryContext(ctx, query, from.UTC(), to.UTC())
if err != nil {
return nil, err
}
defer func() {
err = errs.Combine(err, rows.Close())
}()
var stamps []storageusage.Stamp
for rows.Next() {
var atRestTotal float64
var intervalStart time.Time
err = rows.Scan(&atRestTotal, &intervalStart)
if err != nil {
return nil, err
}
stamps = append(stamps, storageusage.Stamp{
AtRestTotal: atRestTotal,
IntervalStart: intervalStart,
})
}
return stamps, rows.Err()
}
// Summary returns aggregated storage usage across all satellites.
func (db *storageUsageDB) Summary(ctx context.Context, from, to time.Time) (_ float64, err error) {
defer mon.Task()(&ctx, from, to)(&err)
var summary sql.NullFloat64
query := `SELECT SUM(at_rest_total)
FROM storage_usage
WHERE ? <= interval_start AND interval_start <= ?`
err = db.QueryRowContext(ctx, query, from.UTC(), to.UTC()).Scan(&summary)
return summary.Float64, err
}
// SatelliteSummary returns aggregated storage usage for a particular satellite.
func (db *storageUsageDB) SatelliteSummary(ctx context.Context, satelliteID storj.NodeID, from, to time.Time) (_ float64, err error) {
defer mon.Task()(&ctx, satelliteID, from, to)(&err)
var summary sql.NullFloat64
query := `SELECT SUM(at_rest_total)
FROM storage_usage
WHERE satellite_id = ?
AND ? <= interval_start AND interval_start <= ?`
err = db.QueryRowContext(ctx, query, satelliteID, from.UTC(), to.UTC()).Scan(&summary)
return summary.Float64, err
}