66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package expireddeletion
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import (
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"context"
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"time"
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"go.uber.org/zap"
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"storj.io/common/pb"
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"storj.io/common/storj"
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"storj.io/storj/satellite/metainfo"
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"storj.io/storj/storage"
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)
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var _ metainfo.Observer = (*expiredDeleter)(nil)
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// expiredDeleter implements the metainfo loop observer interface for expired segment cleanup
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//
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// architecture: Observer
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type expiredDeleter struct {
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log *zap.Logger
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metainfo *metainfo.Service
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}
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// RemoteSegment deletes the segment if it is expired.
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func (ed *expiredDeleter) RemoteSegment(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) (err error) {
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defer mon.Task()(&ctx, path.Raw)(&err)
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return ed.deleteSegmentIfExpired(ctx, path, pointer)
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}
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// InlineSegment deletes the segment if it is expired.
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func (ed *expiredDeleter) InlineSegment(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) (err error) {
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defer mon.Task()(&ctx, path.Raw)(&err)
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return ed.deleteSegmentIfExpired(ctx, path, pointer)
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}
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// Object returns nil because the expired deleter only cares about segments.
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func (ed *expiredDeleter) Object(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) (err error) {
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return nil
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}
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func (ed *expiredDeleter) deleteSegmentIfExpired(ctx context.Context, path metainfo.ScopedPath, pointer *pb.Pointer) error {
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// delete segment if expired
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if !pointer.ExpirationDate.IsZero() && pointer.ExpirationDate.Before(time.Now().UTC()) {
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pointerBytes, err := pb.Marshal(pointer)
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if err != nil {
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return err
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}
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err = ed.metainfo.Delete(ctx, path.Raw, pointerBytes)
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if storj.ErrObjectNotFound.Has(err) {
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// segment already deleted
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return nil
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} else if storage.ErrValueChanged.Has(err) {
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// segment was replaced
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return nil
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}
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return err
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}
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return nil
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}
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