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projectaccounting.go
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projectaccounting.go
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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package satellitedb
import (
"context"
"database/sql"
"fmt"
"time"
"github.com/lib/pq"
"github.com/skyrings/skyring-common/tools/uuid"
"github.com/zeebo/errs"
"storj.io/common/memory"
"storj.io/common/pb"
"storj.io/storj/private/dbutil"
"storj.io/storj/satellite/accounting"
"storj.io/storj/satellite/satellitedb/dbx"
)
// ensure that ProjectAccounting implements accounting.ProjectAccounting.
var _ accounting.ProjectAccounting = (*ProjectAccounting)(nil)
// ProjectAccounting implements the accounting/db ProjectAccounting interface
type ProjectAccounting struct {
db *satelliteDB
}
// SaveTallies saves the latest bucket info
func (db *ProjectAccounting) SaveTallies(ctx context.Context, intervalStart time.Time, bucketTallies map[string]*accounting.BucketTally) (err error) {
defer mon.Task()(&ctx)(&err)
if len(bucketTallies) == 0 {
return nil
}
var bucketNames, projectIDs [][]byte
var inlineBytes, remoteBytes, metadataSizes []uint64
var remoteSegments, inlineSegments, objectCounts []uint
for _, info := range bucketTallies {
bucketNames = append(bucketNames, info.BucketName)
projectIDs = append(projectIDs, info.ProjectID[:])
inlineBytes = append(inlineBytes, uint64(info.InlineBytes))
remoteBytes = append(remoteBytes, uint64(info.RemoteBytes))
remoteSegments = append(remoteSegments, uint(info.RemoteSegments))
inlineSegments = append(inlineSegments, uint(info.InlineSegments))
objectCounts = append(objectCounts, uint(info.ObjectCount))
metadataSizes = append(metadataSizes, uint64(info.MetadataSize))
}
_, err = db.db.DB.ExecContext(ctx, db.db.Rebind(`
INSERT INTO bucket_storage_tallies (
interval_start,
bucket_name, project_id,
inline, remote,
remote_segments_count, inline_segments_count,
object_count, metadata_size)
SELECT
$1,
unnest($2::bytea[]), unnest($3::bytea[]),
unnest($4::int8[]), unnest($5::int8[]),
unnest($6::int[]), unnest($7::int[]),
unnest($8::int[]), unnest($9::int8[])`),
intervalStart,
pq.ByteaArray(bucketNames), pq.ByteaArray(projectIDs),
pq.Array(inlineBytes), pq.Array(remoteBytes),
pq.Array(remoteSegments), pq.Array(inlineSegments),
pq.Array(objectCounts), pq.Array(metadataSizes))
return Error.Wrap(err)
}
// GetTallies saves the latest bucket info
func (db *ProjectAccounting) GetTallies(ctx context.Context) (tallies []accounting.BucketTally, err error) {
defer mon.Task()(&ctx)(&err)
dbxTallies, err := db.db.All_BucketStorageTally(ctx)
if err != nil {
return nil, Error.Wrap(err)
}
for _, dbxTally := range dbxTallies {
projectID, err := dbutil.BytesToUUID(dbxTally.ProjectId)
if err != nil {
return nil, Error.Wrap(err)
}
tallies = append(tallies, accounting.BucketTally{
BucketName: dbxTally.BucketName,
ProjectID: projectID,
ObjectCount: int64(dbxTally.ObjectCount),
InlineSegments: int64(dbxTally.InlineSegmentsCount),
RemoteSegments: int64(dbxTally.RemoteSegmentsCount),
InlineBytes: int64(dbxTally.Inline),
RemoteBytes: int64(dbxTally.Remote),
MetadataSize: int64(dbxTally.MetadataSize),
})
}
return tallies, nil
}
// CreateStorageTally creates a record in the bucket_storage_tallies accounting table
func (db *ProjectAccounting) CreateStorageTally(ctx context.Context, tally accounting.BucketStorageTally) (err error) {
defer mon.Task()(&ctx)(&err)
return Error.Wrap(db.db.CreateNoReturn_BucketStorageTally(
ctx,
dbx.BucketStorageTally_BucketName([]byte(tally.BucketName)),
dbx.BucketStorageTally_ProjectId(tally.ProjectID[:]),
dbx.BucketStorageTally_IntervalStart(tally.IntervalStart),
dbx.BucketStorageTally_Inline(uint64(tally.InlineBytes)),
dbx.BucketStorageTally_Remote(uint64(tally.RemoteBytes)),
dbx.BucketStorageTally_RemoteSegmentsCount(uint(tally.RemoteSegmentCount)),
dbx.BucketStorageTally_InlineSegmentsCount(uint(tally.InlineSegmentCount)),
dbx.BucketStorageTally_ObjectCount(uint(tally.ObjectCount)),
dbx.BucketStorageTally_MetadataSize(uint64(tally.MetadataSize)),
))
}
// GetAllocatedBandwidthTotal returns the sum of GET bandwidth usage allocated for a projectID for a time frame
func (db *ProjectAccounting) GetAllocatedBandwidthTotal(ctx context.Context, projectID uuid.UUID, from time.Time) (_ int64, err error) {
defer mon.Task()(&ctx)(&err)
var sum *int64
query := `SELECT SUM(allocated) FROM bucket_bandwidth_rollups WHERE project_id = ? AND action = ? AND interval_start > ?;`
err = db.db.QueryRow(ctx, db.db.Rebind(query), projectID[:], pb.PieceAction_GET, from).Scan(&sum)
if err == sql.ErrNoRows || sum == nil {
return 0, nil
}
return *sum, err
}
// GetStorageTotals returns the current inline and remote storage usage for a projectID
func (db *ProjectAccounting) GetStorageTotals(ctx context.Context, projectID uuid.UUID) (inline int64, remote int64, err error) {
defer mon.Task()(&ctx)(&err)
var inlineSum, remoteSum sql.NullInt64
var intervalStart time.Time
// Sum all the inline and remote values for a project that all share the same interval_start.
// All records for a project that have the same interval start are part of the same tally run.
// This should represent the most recent calculation of a project's total at rest storage.
query := `SELECT interval_start, SUM(inline), SUM(remote)
FROM bucket_storage_tallies
WHERE project_id = ?
GROUP BY interval_start
ORDER BY interval_start DESC LIMIT 1;`
err = db.db.QueryRow(ctx, db.db.Rebind(query), projectID[:]).Scan(&intervalStart, &inlineSum, &remoteSum)
if err != nil || !inlineSum.Valid || !remoteSum.Valid {
return 0, 0, nil
}
return inlineSum.Int64, remoteSum.Int64, err
}
// UpdateProjectUsageLimit updates project usage limit.
func (db *ProjectAccounting) UpdateProjectUsageLimit(ctx context.Context, projectID uuid.UUID, limit memory.Size) (err error) {
defer mon.Task()(&ctx)(&err)
_, err = db.db.Update_Project_By_Id(ctx,
dbx.Project_Id(projectID[:]),
dbx.Project_Update_Fields{
UsageLimit: dbx.Project_UsageLimit(limit.Int64()),
},
)
return err
}
// GetProjectStorageLimit returns project storage usage limit.
func (db *ProjectAccounting) GetProjectStorageLimit(ctx context.Context, projectID uuid.UUID) (_ memory.Size, err error) {
defer mon.Task()(&ctx)(&err)
return db.getProjectUsageLimit(ctx, projectID)
}
// GetProjectBandwidthLimit returns project bandwidth usage limit.
func (db *ProjectAccounting) GetProjectBandwidthLimit(ctx context.Context, projectID uuid.UUID) (_ memory.Size, err error) {
defer mon.Task()(&ctx)(&err)
return db.getProjectUsageLimit(ctx, projectID)
}
// getProjectUsageLimit returns project usage limit.
func (db *ProjectAccounting) getProjectUsageLimit(ctx context.Context, projectID uuid.UUID) (_ memory.Size, err error) {
defer mon.Task()(&ctx)(&err)
row, err := db.db.Get_Project_UsageLimit_By_Id(ctx,
dbx.Project_Id(projectID[:]),
)
if err != nil {
return 0, err
}
return memory.Size(row.UsageLimit), nil
}
// GetProjectTotal retrieves project usage for a given period.
func (db *ProjectAccounting) GetProjectTotal(ctx context.Context, projectID uuid.UUID, since, before time.Time) (usage *accounting.ProjectUsage, err error) {
defer mon.Task()(&ctx)(&err)
since = timeTruncateDown(since)
bucketNames, err := db.getBuckets(ctx, projectID, since, before)
if err != nil {
return nil, err
}
storageQuery := db.db.Rebind(`
SELECT
bucket_storage_tallies.interval_start,
bucket_storage_tallies.inline,
bucket_storage_tallies.remote,
bucket_storage_tallies.object_count
FROM
bucket_storage_tallies
WHERE
bucket_storage_tallies.project_id = ? AND
bucket_storage_tallies.bucket_name = ? AND
bucket_storage_tallies.interval_start >= ? AND
bucket_storage_tallies.interval_start <= ?
ORDER BY bucket_storage_tallies.interval_start DESC
`)
bucketsTallies := make(map[string][]*accounting.BucketStorageTally)
for _, bucket := range bucketNames {
storageTallies := make([]*accounting.BucketStorageTally, 0)
storageTalliesRows, err := db.db.QueryContext(ctx, storageQuery, projectID[:], []byte(bucket), since, before)
if err != nil {
return nil, err
}
// generating tallies for each bucket name.
for storageTalliesRows.Next() {
tally := accounting.BucketStorageTally{}
err = storageTalliesRows.Scan(&tally.IntervalStart, &tally.InlineBytes, &tally.RemoteBytes, &tally.ObjectCount)
if err != nil {
return nil, errs.Combine(err, storageTalliesRows.Close())
}
tally.BucketName = bucket
storageTallies = append(storageTallies, &tally)
}
err = errs.Combine(storageTalliesRows.Err(), storageTalliesRows.Close())
if err != nil {
return nil, err
}
bucketsTallies[bucket] = storageTallies
}
totalEgress, err := db.getTotalEgress(ctx, projectID, since, before)
if err != nil {
return nil, err
}
usage = new(accounting.ProjectUsage)
usage.Egress = memory.Size(totalEgress).Int64()
// sum up storage and objects
for _, tallies := range bucketsTallies {
for i := len(tallies) - 1; i > 0; i-- {
current := (tallies)[i]
hours := (tallies)[i-1].IntervalStart.Sub(current.IntervalStart).Hours()
usage.Storage += memory.Size(current.InlineBytes).Float64() * hours
usage.Storage += memory.Size(current.RemoteBytes).Float64() * hours
usage.ObjectCount += float64(current.ObjectCount) * hours
}
}
usage.Since = since
usage.Before = before
return usage, nil
}
// getTotalEgress returns total egress (settled + inline) of each bucket_bandwidth_rollup
// in selected time period, project id.
// only process PieceAction_GET.
func (db *ProjectAccounting) getTotalEgress(ctx context.Context, projectID uuid.UUID, since, before time.Time) (totalEgress int64, err error) {
totalEgressQuery := db.db.Rebind(`
SELECT
COALESCE(SUM(settled) + SUM(inline), 0)
FROM
bucket_bandwidth_rollups
WHERE
project_id = ? AND
interval_start >= ? AND
interval_start <= ? AND
action = ?;
`)
totalEgressRow := db.db.QueryRowContext(ctx, totalEgressQuery, projectID[:], since, before, pb.PieceAction_GET)
err = totalEgressRow.Scan(&totalEgress)
return totalEgress, err
}
// GetBucketUsageRollups retrieves summed usage rollups for every bucket of particular project for a given period
func (db *ProjectAccounting) GetBucketUsageRollups(ctx context.Context, projectID uuid.UUID, since, before time.Time) (_ []accounting.BucketUsageRollup, err error) {
defer mon.Task()(&ctx)(&err)
since = timeTruncateDown(since.UTC())
before = before.UTC()
buckets, err := db.getBuckets(ctx, projectID, since, before)
if err != nil {
return nil, err
}
roullupsQuery := db.db.Rebind(`SELECT SUM(settled), SUM(inline), action
FROM bucket_bandwidth_rollups
WHERE project_id = ? AND bucket_name = ? AND interval_start >= ? AND interval_start <= ?
GROUP BY action`)
// TODO: should be optimized
storageQuery := db.db.All_BucketStorageTally_By_ProjectId_And_BucketName_And_IntervalStart_GreaterOrEqual_And_IntervalStart_LessOrEqual_OrderBy_Desc_IntervalStart
var bucketUsageRollups []accounting.BucketUsageRollup
for _, bucket := range buckets {
bucketRollup := accounting.BucketUsageRollup{
ProjectID: projectID,
BucketName: []byte(bucket),
Since: since,
Before: before,
}
// get bucket_bandwidth_rollups
rollupsRows, err := db.db.QueryContext(ctx, roullupsQuery, projectID[:], []byte(bucket), since, before)
if err != nil {
return nil, err
}
defer func() { err = errs.Combine(err, rollupsRows.Close()) }()
// fill egress
for rollupsRows.Next() {
var action pb.PieceAction
var settled, inline int64
err = rollupsRows.Scan(&settled, &inline, &action)
if err != nil {
return nil, err
}
switch action {
case pb.PieceAction_GET:
bucketRollup.GetEgress += memory.Size(settled + inline).GB()
case pb.PieceAction_GET_AUDIT:
bucketRollup.AuditEgress += memory.Size(settled + inline).GB()
case pb.PieceAction_GET_REPAIR:
bucketRollup.RepairEgress += memory.Size(settled + inline).GB()
default:
continue
}
}
if err := rollupsRows.Err(); err != nil {
return nil, err
}
bucketStorageTallies, err := storageQuery(ctx,
dbx.BucketStorageTally_ProjectId(projectID[:]),
dbx.BucketStorageTally_BucketName([]byte(bucket)),
dbx.BucketStorageTally_IntervalStart(since),
dbx.BucketStorageTally_IntervalStart(before))
if err != nil {
return nil, err
}
// fill metadata, objects and stored data
// hours calculated from previous tallies,
// so we skip the most recent one
for i := len(bucketStorageTallies) - 1; i > 0; i-- {
current := bucketStorageTallies[i]
hours := bucketStorageTallies[i-1].IntervalStart.Sub(current.IntervalStart).Hours()
bucketRollup.RemoteStoredData += memory.Size(current.Remote).GB() * hours
bucketRollup.InlineStoredData += memory.Size(current.Inline).GB() * hours
bucketRollup.MetadataSize += memory.Size(current.MetadataSize).GB() * hours
bucketRollup.RemoteSegments += float64(current.RemoteSegmentsCount) * hours
bucketRollup.InlineSegments += float64(current.InlineSegmentsCount) * hours
bucketRollup.ObjectCount += float64(current.ObjectCount) * hours
}
bucketUsageRollups = append(bucketUsageRollups, bucketRollup)
}
return bucketUsageRollups, nil
}
// prefixIncrement returns the lexicographically lowest byte string which is
// greater than origPrefix and does not have origPrefix as a prefix. If no such
// byte string exists (origPrefix is empty, or origPrefix contains only 0xff
// bytes), returns false for ok.
//
// examples: prefixIncrement([]byte("abc")) -> ([]byte("abd", true)
// prefixIncrement([]byte("ab\xff\xff")) -> ([]byte("ac", true)
// prefixIncrement([]byte("")) -> (nil, false)
// prefixIncrement([]byte("\x00")) -> ([]byte("\x01", true)
// prefixIncrement([]byte("\xff\xff\xff")) -> (nil, false)
//
func prefixIncrement(origPrefix []byte) (incremented []byte, ok bool) {
incremented = make([]byte, len(origPrefix))
copy(incremented, origPrefix)
i := len(incremented) - 1
for i >= 0 {
if incremented[i] != 0xff {
incremented[i]++
return incremented[:i+1], true
}
i--
}
// there is no byte string which is greater than origPrefix and which does
// not have origPrefix as a prefix.
return nil, false
}
// prefixMatch creates a SQL expression which
// will evaluate to true if and only if the value of expr starts with the value
// of prefix.
//
// Returns also a slice of arguments that should be passed to the corresponding
// db.Query* or db.Exec* to fill in parameters in the returned SQL expression.
//
// The returned SQL expression needs to be passed through Rebind(), as it uses
// `?` markers instead of `$N`, because we don't know what N we would need to
// use.
func (db *ProjectAccounting) prefixMatch(expr string, prefix []byte) (string, []byte, error) {
incrementedPrefix, ok := prefixIncrement(prefix)
switch db.db.implementation {
case dbutil.Postgres:
if !ok {
return fmt.Sprintf(`(%s >= ?)`, expr), nil, nil
}
return fmt.Sprintf(`(%s >= ? AND %s < ?)`, expr, expr), incrementedPrefix, nil
case dbutil.Cockroach:
if !ok {
return fmt.Sprintf(`(%s >= ?:::BYTEA)`, expr), nil, nil
}
return fmt.Sprintf(`(%s >= ?:::BYTEA AND %s < ?:::BYTEA)`, expr, expr), incrementedPrefix, nil
default:
return "", nil, errs.New("invalid dbType: %v", db.db.driver)
}
}
// GetBucketTotals retrieves bucket usage totals for period of time
func (db *ProjectAccounting) GetBucketTotals(ctx context.Context, projectID uuid.UUID, cursor accounting.BucketUsageCursor, since, before time.Time) (_ *accounting.BucketUsagePage, err error) {
defer mon.Task()(&ctx)(&err)
since = timeTruncateDown(since)
bucketPrefix := []byte(cursor.Search)
if cursor.Limit > 50 {
cursor.Limit = 50
}
if cursor.Page == 0 {
return nil, errs.New("page can not be 0")
}
page := &accounting.BucketUsagePage{
Search: cursor.Search,
Limit: cursor.Limit,
Offset: uint64((cursor.Page - 1) * cursor.Limit),
}
bucketNameRange, incrPrefix, err := db.prefixMatch("bucket_name", bucketPrefix)
if err != nil {
return nil, err
}
countQuery := db.db.Rebind(`SELECT COUNT(DISTINCT bucket_name)
FROM bucket_bandwidth_rollups
WHERE project_id = ? AND interval_start >= ? AND interval_start <= ?
AND ` + bucketNameRange)
args := []interface{}{
projectID[:],
since,
before,
bucketPrefix,
}
if incrPrefix != nil {
args = append(args, incrPrefix)
}
countRow := db.db.QueryRowContext(ctx, countQuery, args...)
err = countRow.Scan(&page.TotalCount)
if err != nil {
return nil, err
}
if page.TotalCount == 0 {
return page, nil
}
if page.Offset > page.TotalCount-1 {
return nil, errs.New("page is out of range")
}
var buckets []string
bucketsQuery := db.db.Rebind(`SELECT DISTINCT bucket_name
FROM bucket_bandwidth_rollups
WHERE project_id = ? AND interval_start >= ? AND interval_start <= ?
AND ` + bucketNameRange + ` ORDER BY bucket_name ASC
LIMIT ? OFFSET ?`)
args = []interface{}{
projectID[:],
since,
before,
bucketPrefix,
}
if incrPrefix != nil {
args = append(args, incrPrefix)
}
args = append(args, page.Limit, page.Offset)
bucketRows, err := db.db.QueryContext(ctx, bucketsQuery, args...)
if err != nil {
return nil, err
}
defer func() { err = errs.Combine(err, bucketRows.Close()) }()
for bucketRows.Next() {
var bucket string
err = bucketRows.Scan(&bucket)
if err != nil {
return nil, err
}
buckets = append(buckets, bucket)
}
if err := bucketRows.Err(); err != nil {
return nil, err
}
rollupsQuery := db.db.Rebind(`SELECT COALESCE(SUM(settled) + SUM(inline), 0)
FROM bucket_bandwidth_rollups
WHERE project_id = ? AND bucket_name = ? AND interval_start >= ? AND interval_start <= ? AND action = ?`)
storageQuery := db.db.Rebind(`SELECT inline, remote, object_count
FROM bucket_storage_tallies
WHERE project_id = ? AND bucket_name = ? AND interval_start >= ? AND interval_start <= ?
ORDER BY interval_start DESC
LIMIT 1`)
var bucketUsages []accounting.BucketUsage
for _, bucket := range buckets {
bucketUsage := accounting.BucketUsage{
ProjectID: projectID,
BucketName: bucket,
Since: since,
Before: before,
}
// get bucket_bandwidth_rollups
rollupRow := db.db.QueryRowContext(ctx, rollupsQuery, projectID[:], []byte(bucket), since, before, pb.PieceAction_GET)
var egress int64
err = rollupRow.Scan(&egress)
if err != nil {
if err != sql.ErrNoRows {
return nil, err
}
}
bucketUsage.Egress = memory.Size(egress).GB()
storageRow := db.db.QueryRowContext(ctx, storageQuery, projectID[:], []byte(bucket), since, before)
var inline, remote, objectCount int64
err = storageRow.Scan(&inline, &remote, &objectCount)
if err != nil {
if err != sql.ErrNoRows {
return nil, err
}
}
// fill storage and object count
bucketUsage.Storage = memory.Size(inline + remote).GB()
bucketUsage.ObjectCount = objectCount
bucketUsages = append(bucketUsages, bucketUsage)
}
page.PageCount = uint(page.TotalCount / uint64(cursor.Limit))
if page.TotalCount%uint64(cursor.Limit) != 0 {
page.PageCount++
}
page.BucketUsages = bucketUsages
page.CurrentPage = cursor.Page
return page, nil
}
// getBuckets list all bucket of certain project for given period
func (db *ProjectAccounting) getBuckets(ctx context.Context, projectID uuid.UUID, since, before time.Time) (_ []string, err error) {
defer mon.Task()(&ctx)(&err)
bucketsQuery := db.db.Rebind(`SELECT DISTINCT bucket_name
FROM bucket_bandwidth_rollups
WHERE project_id = ? AND interval_start >= ? AND interval_start <= ?`)
bucketRows, err := db.db.QueryContext(ctx, bucketsQuery, projectID[:], since, before)
if err != nil {
return nil, err
}
defer func() { err = errs.Combine(err, bucketRows.Close()) }()
var buckets []string
for bucketRows.Next() {
var bucket string
err = bucketRows.Scan(&bucket)
if err != nil {
return nil, err
}
buckets = append(buckets, bucket)
}
return buckets, bucketRows.Err()
}
// timeTruncateDown truncates down to the hour before to be in sync with orders endpoint
func timeTruncateDown(t time.Time) time.Time {
return time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), 0, 0, 0, t.Location())
}