93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
// Copyright (C) 2023 Storj Labs, Inc.
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// See LICENSE for copying information.
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package metabase
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import (
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"context"
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"time"
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"storj.io/private/tagsql"
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)
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// BucketTally contains information about aggregate data stored in a bucket.
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type BucketTally struct {
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BucketLocation
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ObjectCount int64
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PendingObjectCount int64
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TotalSegments int64
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TotalBytes int64
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MetadataSize int64
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}
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// CollectBucketTallies contains arguments necessary for looping through objects in metabase.
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type CollectBucketTallies struct {
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From BucketLocation
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To BucketLocation
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AsOfSystemTime time.Time
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AsOfSystemInterval time.Duration
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Now time.Time
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}
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// Verify verifies CollectBucketTallies request fields.
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func (opts *CollectBucketTallies) Verify() error {
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if opts.To.ProjectID.Less(opts.From.ProjectID) {
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return ErrInvalidRequest.New("project ID To is before project ID From")
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}
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if opts.To.ProjectID == opts.From.ProjectID && opts.To.BucketName < opts.From.BucketName {
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return ErrInvalidRequest.New("bucket name To is before bucket name From")
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}
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return nil
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}
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// CollectBucketTallies collect limited bucket tallies from given bucket locations.
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func (db *DB) CollectBucketTallies(ctx context.Context, opts CollectBucketTallies) (result []BucketTally, err error) {
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defer mon.Task()(&ctx)(&err)
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if err := opts.Verify(); err != nil {
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return []BucketTally{}, err
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}
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if opts.Now.IsZero() {
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opts.Now = time.Now()
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}
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err = withRows(db.db.QueryContext(ctx, `
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SELECT
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project_id, bucket_name,
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SUM(total_encrypted_size), SUM(segment_count), COALESCE(SUM(length(encrypted_metadata)), 0),
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count(*), count(*) FILTER (WHERE status = `+statusPending+`)
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FROM objects
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`+db.asOfTime(opts.AsOfSystemTime, opts.AsOfSystemInterval)+`
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WHERE (project_id, bucket_name) BETWEEN ($1, $2) AND ($3, $4) AND
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(expires_at IS NULL OR expires_at > $5)
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GROUP BY (project_id, bucket_name)
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ORDER BY (project_id, bucket_name) ASC
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`, opts.From.ProjectID, []byte(opts.From.BucketName), opts.To.ProjectID, []byte(opts.To.BucketName), opts.Now))(func(rows tagsql.Rows) error {
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for rows.Next() {
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var bucketTally BucketTally
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if err = rows.Scan(
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&bucketTally.ProjectID, &bucketTally.BucketName,
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&bucketTally.TotalBytes, &bucketTally.TotalSegments,
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&bucketTally.MetadataSize, &bucketTally.ObjectCount,
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&bucketTally.PendingObjectCount,
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); err != nil {
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return Error.New("unable to query bucket tally: %w", err)
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}
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result = append(result, bucketTally)
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}
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return nil
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})
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if err != nil {
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return []BucketTally{}, err
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}
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return result, nil
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}
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