aa80d37053
We were manually converting ObjectKey fields to []byte to use it with SQL query but we can just implement Value method to convert it automatically. Change-Id: I6d346f4b59718e1e8ef37cd9f95e613b864b42cd
561 lines
19 KiB
Go
561 lines
19 KiB
Go
// Copyright (C) 2020 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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"bytes"
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"context"
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"sort"
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"github.com/zeebo/errs"
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"storj.io/common/storj"
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"storj.io/private/dbutil"
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"storj.io/private/dbutil/pgutil"
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"storj.io/private/tagsql"
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)
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// DeleteObjectExactVersion contains arguments necessary for deleting an exact version of object.
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type DeleteObjectExactVersion struct {
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Version Version
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ObjectLocation
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}
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// Verify delete object fields.
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func (obj *DeleteObjectExactVersion) Verify() error {
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if err := obj.ObjectLocation.Verify(); err != nil {
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return err
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}
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if obj.Version <= 0 {
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return ErrInvalidRequest.New("Version invalid: %v", obj.Version)
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}
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return nil
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}
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// DeleteObjectResult result of deleting object.
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type DeleteObjectResult struct {
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Objects []Object
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Segments []DeletedSegmentInfo
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}
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// DeletedSegmentInfo info about deleted segment.
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type DeletedSegmentInfo struct {
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RootPieceID storj.PieceID
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Pieces Pieces
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}
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// DeleteObjectAnyStatusAllVersions contains arguments necessary for deleting all object versions.
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type DeleteObjectAnyStatusAllVersions struct {
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ObjectLocation
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}
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// DeleteObjectsAllVersions contains arguments necessary for deleting all versions of multiple objects from the same bucket.
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type DeleteObjectsAllVersions struct {
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Locations []ObjectLocation
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}
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// Verify delete objects fields.
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func (delete *DeleteObjectsAllVersions) Verify() error {
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if len(delete.Locations) == 0 {
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return nil
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}
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if len(delete.Locations) > 1000 {
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return ErrInvalidRequest.New("cannot delete more than 1000 objects in a single request")
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}
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var errGroup errs.Group
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for _, location := range delete.Locations {
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errGroup.Add(location.Verify())
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}
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err := errGroup.Err()
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if err != nil {
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return err
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}
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// Verify if all locations are in the same bucket
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first := delete.Locations[0]
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for _, item := range delete.Locations[1:] {
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if first.ProjectID != item.ProjectID || first.BucketName != item.BucketName {
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return ErrInvalidRequest.New("all objects must be in the same bucket")
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}
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}
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return nil
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}
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// DeleteObjectLatestVersion contains arguments necessary for deleting latest object version.
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type DeleteObjectLatestVersion struct {
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ObjectLocation
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}
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// DeleteObjectExactVersion deletes an exact object version.
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func (db *DB) DeleteObjectExactVersion(ctx context.Context, opts DeleteObjectExactVersion) (result DeleteObjectResult, 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 DeleteObjectResult{}, err
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}
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err = withRows(db.db.QueryContext(ctx, `
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WITH deleted_objects AS (
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DELETE FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = $3 AND
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version = $4 AND
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status = `+committedStatus+`
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RETURNING
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version, stream_id,
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created_at, expires_at,
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status, segment_count,
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encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key,
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total_plain_size, total_encrypted_size, fixed_segment_size,
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encryption
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), deleted_segments AS (
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DELETE FROM segments
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WHERE segments.stream_id in (SELECT deleted_objects.stream_id FROM deleted_objects)
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RETURNING segments.stream_id,segments.root_piece_id, segments.remote_alias_pieces
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)
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SELECT
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deleted_objects.version, deleted_objects.stream_id,
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deleted_objects.created_at, deleted_objects.expires_at,
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deleted_objects.status, deleted_objects.segment_count,
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deleted_objects.encrypted_metadata_nonce, deleted_objects.encrypted_metadata, deleted_objects.encrypted_metadata_encrypted_key,
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deleted_objects.total_plain_size, deleted_objects.total_encrypted_size, deleted_objects.fixed_segment_size,
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deleted_objects.encryption,
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deleted_segments.root_piece_id, deleted_segments.remote_alias_pieces
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FROM deleted_objects
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LEFT JOIN deleted_segments ON deleted_objects.stream_id = deleted_segments.stream_id
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`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version))(func(rows tagsql.Rows) error {
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result.Objects, result.Segments, err = db.scanObjectDeletion(ctx, opts.ObjectLocation, rows)
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return err
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})
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if err != nil {
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return DeleteObjectResult{}, err
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}
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if len(result.Objects) == 0 {
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return DeleteObjectResult{}, storj.ErrObjectNotFound.Wrap(Error.New("no rows deleted"))
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}
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mon.Meter("object_delete").Mark(len(result.Objects))
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mon.Meter("segment_delete").Mark(len(result.Segments))
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return result, nil
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}
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// DeletePendingObject contains arguments necessary for deleting a pending object.
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type DeletePendingObject struct {
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ObjectStream
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}
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// Verify verifies delete pending object fields validity.
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func (opts *DeletePendingObject) Verify() error {
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if err := opts.ObjectStream.Verify(); err != nil {
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return err
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}
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return nil
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}
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// DeletePendingObject deletes a pending object with specified version and streamID.
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func (db *DB) DeletePendingObject(ctx context.Context, opts DeletePendingObject) (result DeleteObjectResult, 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 DeleteObjectResult{}, err
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}
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err = withRows(db.db.QueryContext(ctx, `
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WITH deleted_objects AS (
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DELETE FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = $3 AND
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version = $4 AND
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stream_id = $5 AND
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status = `+pendingStatus+`
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RETURNING
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version, stream_id,
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created_at, expires_at,
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status, segment_count,
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encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key,
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total_plain_size, total_encrypted_size, fixed_segment_size,
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encryption
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), deleted_segments AS (
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DELETE FROM segments
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WHERE segments.stream_id in (SELECT deleted_objects.stream_id FROM deleted_objects)
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RETURNING segments.stream_id,segments.root_piece_id, segments.remote_alias_pieces
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)
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SELECT
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deleted_objects.version, deleted_objects.stream_id,
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deleted_objects.created_at, deleted_objects.expires_at,
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deleted_objects.status, deleted_objects.segment_count,
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deleted_objects.encrypted_metadata_nonce, deleted_objects.encrypted_metadata, deleted_objects.encrypted_metadata_encrypted_key,
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deleted_objects.total_plain_size, deleted_objects.total_encrypted_size, deleted_objects.fixed_segment_size,
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deleted_objects.encryption,
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deleted_segments.root_piece_id, deleted_segments.remote_alias_pieces
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FROM deleted_objects
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LEFT JOIN deleted_segments ON deleted_objects.stream_id = deleted_segments.stream_id
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`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.Version, opts.StreamID))(func(rows tagsql.Rows) error {
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result.Objects, result.Segments, err = db.scanObjectDeletion(ctx, opts.Location(), rows)
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return err
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})
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if err != nil {
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return DeleteObjectResult{}, err
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}
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if len(result.Objects) == 0 {
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return DeleteObjectResult{}, storj.ErrObjectNotFound.Wrap(Error.New("no rows deleted"))
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}
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mon.Meter("object_delete").Mark(len(result.Objects))
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mon.Meter("segment_delete").Mark(len(result.Segments))
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return result, nil
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}
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// DeleteObjectLatestVersion deletes latest object version.
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func (db *DB) DeleteObjectLatestVersion(ctx context.Context, opts DeleteObjectLatestVersion) (result DeleteObjectResult, 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 DeleteObjectResult{}, err
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}
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var query string
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switch db.impl {
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case dbutil.Cockroach:
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query = `
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WITH deleted_objects AS (
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DELETE FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = $3 AND
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status = ` + committedStatus + `
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ORDER BY version DESC
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LIMIT 1
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RETURNING
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version, stream_id,
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created_at, expires_at,
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status, segment_count,
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encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key,
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total_plain_size, total_encrypted_size, fixed_segment_size,
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encryption
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), deleted_segments AS (
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DELETE FROM segments
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WHERE segments.stream_id in (SELECT deleted_objects.stream_id FROM deleted_objects)
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RETURNING segments.stream_id,segments.root_piece_id, segments.remote_alias_pieces
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)
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SELECT
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deleted_objects.version, deleted_objects.stream_id,
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deleted_objects.created_at, deleted_objects.expires_at,
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deleted_objects.status, deleted_objects.segment_count,
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deleted_objects.encrypted_metadata_nonce, deleted_objects.encrypted_metadata, deleted_objects.encrypted_metadata_encrypted_key,
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deleted_objects.total_plain_size, deleted_objects.total_encrypted_size, deleted_objects.fixed_segment_size,
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deleted_objects.encryption,
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deleted_segments.root_piece_id, deleted_segments.remote_alias_pieces
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FROM deleted_objects
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LEFT JOIN deleted_segments ON deleted_objects.stream_id = deleted_segments.stream_id
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`
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case dbutil.Postgres:
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query = `
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WITH deleted_objects AS (
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DELETE FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = $3 AND
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version IN (
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SELECT version FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = $3 AND
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status = ` + committedStatus + `
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ORDER BY version DESC LIMIT 1
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) AND
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status = ` + committedStatus + `
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RETURNING
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version, stream_id,
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created_at, expires_at,
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status, segment_count,
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encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key,
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total_plain_size, total_encrypted_size, fixed_segment_size,
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encryption
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), deleted_segments AS (
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DELETE FROM segments
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WHERE segments.stream_id in (SELECT deleted_objects.stream_id FROM deleted_objects)
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RETURNING segments.stream_id,segments.root_piece_id, segments.remote_alias_pieces
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)
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SELECT
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deleted_objects.version, deleted_objects.stream_id,
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deleted_objects.created_at, deleted_objects.expires_at,
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deleted_objects.status, deleted_objects.segment_count,
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deleted_objects.encrypted_metadata_nonce, deleted_objects.encrypted_metadata, deleted_objects.encrypted_metadata_encrypted_key,
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deleted_objects.total_plain_size, deleted_objects.total_encrypted_size, deleted_objects.fixed_segment_size,
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deleted_objects.encryption,
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deleted_segments.root_piece_id, deleted_segments.remote_alias_pieces
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FROM deleted_objects
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LEFT JOIN deleted_segments ON deleted_objects.stream_id = deleted_segments.stream_id
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`
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default:
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return DeleteObjectResult{}, Error.New("unhandled database: %v", db.impl)
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}
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err = withRows(db.db.QueryContext(ctx, query, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey))(func(rows tagsql.Rows) error {
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result.Objects, result.Segments, err = db.scanObjectDeletion(ctx, opts.ObjectLocation, rows)
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return err
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})
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if err != nil {
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return DeleteObjectResult{}, err
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}
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if len(result.Objects) == 0 {
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return DeleteObjectResult{}, storj.ErrObjectNotFound.Wrap(Error.New("no rows deleted"))
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}
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mon.Meter("object_delete").Mark(len(result.Objects))
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mon.Meter("segment_delete").Mark(len(result.Segments))
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return result, nil
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}
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// DeleteObjectAnyStatusAllVersions deletes all object versions.
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func (db *DB) DeleteObjectAnyStatusAllVersions(ctx context.Context, opts DeleteObjectAnyStatusAllVersions) (result DeleteObjectResult, 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 DeleteObjectResult{}, err
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}
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err = withRows(db.db.QueryContext(ctx, `
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WITH deleted_objects AS (
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DELETE FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = $3
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RETURNING
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version, stream_id,
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created_at, expires_at,
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status, segment_count,
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encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key,
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total_plain_size, total_encrypted_size, fixed_segment_size,
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encryption
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), deleted_segments AS (
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DELETE FROM segments
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WHERE segments.stream_id in (SELECT deleted_objects.stream_id FROM deleted_objects)
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RETURNING segments.stream_id,segments.root_piece_id, segments.remote_alias_pieces
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)
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SELECT
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deleted_objects.version, deleted_objects.stream_id,
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deleted_objects.created_at, deleted_objects.expires_at,
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deleted_objects.status, deleted_objects.segment_count,
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deleted_objects.encrypted_metadata_nonce, deleted_objects.encrypted_metadata, deleted_objects.encrypted_metadata_encrypted_key,
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deleted_objects.total_plain_size, deleted_objects.total_encrypted_size, deleted_objects.fixed_segment_size,
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deleted_objects.encryption,
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deleted_segments.root_piece_id, deleted_segments.remote_alias_pieces
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FROM deleted_objects
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LEFT JOIN deleted_segments ON deleted_objects.stream_id = deleted_segments.stream_id
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`, opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey))(func(rows tagsql.Rows) error {
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result.Objects, result.Segments, err = db.scanObjectDeletion(ctx, opts.ObjectLocation, rows)
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return err
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})
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if err != nil {
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return DeleteObjectResult{}, err
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}
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if len(result.Objects) == 0 {
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return DeleteObjectResult{}, storj.ErrObjectNotFound.Wrap(Error.New("no rows deleted"))
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}
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mon.Meter("object_delete").Mark(len(result.Objects))
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mon.Meter("segment_delete").Mark(len(result.Segments))
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return result, nil
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}
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// DeleteObjectsAllVersions deletes all versions of multiple objects from the same bucket.
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func (db *DB) DeleteObjectsAllVersions(ctx context.Context, opts DeleteObjectsAllVersions) (result DeleteObjectResult, err error) {
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defer mon.Task()(&ctx)(&err)
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if len(opts.Locations) == 0 {
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// nothing to delete, no error
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return DeleteObjectResult{}, nil
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}
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if err := opts.Verify(); err != nil {
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return DeleteObjectResult{}, err
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}
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// It is aleady verified that all object locations are in the same bucket
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projectID := opts.Locations[0].ProjectID
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bucketName := opts.Locations[0].BucketName
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objectKeys := make([][]byte, len(opts.Locations))
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for i := range opts.Locations {
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objectKeys[i] = []byte(opts.Locations[i].ObjectKey)
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}
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// Sorting the object keys just in case.
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// TODO: Check if this is really necessary for the SQL query.
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sort.Slice(objectKeys, func(i, j int) bool {
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return bytes.Compare(objectKeys[i], objectKeys[j]) < 0
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})
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err = withRows(db.db.QueryContext(ctx, `
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WITH deleted_objects AS (
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DELETE FROM objects
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WHERE
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project_id = $1 AND
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bucket_name = $2 AND
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object_key = ANY ($3) AND
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status = `+committedStatus+`
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RETURNING
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project_id, bucket_name,
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object_key, version, stream_id,
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created_at, expires_at,
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status, segment_count,
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encrypted_metadata_nonce, encrypted_metadata, encrypted_metadata_encrypted_key,
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total_plain_size, total_encrypted_size, fixed_segment_size,
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encryption
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), deleted_segments AS (
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DELETE FROM segments
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WHERE segments.stream_id in (SELECT deleted_objects.stream_id FROM deleted_objects)
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RETURNING segments.stream_id,segments.root_piece_id, segments.remote_alias_pieces
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)
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SELECT
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deleted_objects.project_id, deleted_objects.bucket_name,
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deleted_objects.object_key,deleted_objects.version, deleted_objects.stream_id,
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deleted_objects.created_at, deleted_objects.expires_at,
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deleted_objects.status, deleted_objects.segment_count,
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deleted_objects.encrypted_metadata_nonce, deleted_objects.encrypted_metadata, deleted_objects.encrypted_metadata_encrypted_key,
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deleted_objects.total_plain_size, deleted_objects.total_encrypted_size, deleted_objects.fixed_segment_size,
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deleted_objects.encryption,
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deleted_segments.root_piece_id, deleted_segments.remote_alias_pieces
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FROM deleted_objects
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LEFT JOIN deleted_segments ON deleted_objects.stream_id = deleted_segments.stream_id
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`, projectID, []byte(bucketName), pgutil.ByteaArray(objectKeys)))(func(rows tagsql.Rows) error {
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result.Objects, result.Segments, err = db.scanMultipleObjectsDeletion(ctx, rows)
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return err
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})
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if err != nil {
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return DeleteObjectResult{}, err
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}
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mon.Meter("object_delete").Mark(len(result.Objects))
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mon.Meter("segment_delete").Mark(len(result.Segments))
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return result, nil
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}
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func (db *DB) scanObjectDeletion(ctx context.Context, location ObjectLocation, rows tagsql.Rows) (objects []Object, segments []DeletedSegmentInfo, err error) {
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defer func() { err = errs.Combine(err, rows.Close()) }()
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objects = make([]Object, 0, 10)
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segments = make([]DeletedSegmentInfo, 0, 10)
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var rootPieceID *storj.PieceID
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var object Object
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var segment DeletedSegmentInfo
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var aliasPieces AliasPieces
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for rows.Next() {
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object.ProjectID = location.ProjectID
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object.BucketName = location.BucketName
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object.ObjectKey = location.ObjectKey
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err = rows.Scan(&object.Version, &object.StreamID,
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&object.CreatedAt, &object.ExpiresAt,
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&object.Status, &object.SegmentCount,
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&object.EncryptedMetadataNonce, &object.EncryptedMetadata, &object.EncryptedMetadataEncryptedKey,
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&object.TotalPlainSize, &object.TotalEncryptedSize, &object.FixedSegmentSize,
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encryptionParameters{&object.Encryption}, &rootPieceID, &aliasPieces)
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|
if err != nil {
|
|
return nil, nil, Error.New("unable to delete object: %w", err)
|
|
}
|
|
if len(objects) == 0 || objects[len(objects)-1].StreamID != object.StreamID {
|
|
objects = append(objects, object)
|
|
}
|
|
if rootPieceID != nil {
|
|
segment.RootPieceID = *rootPieceID
|
|
segment.Pieces, err = db.aliasCache.ConvertAliasesToPieces(ctx, aliasPieces)
|
|
if err != nil {
|
|
return nil, nil, Error.Wrap(err)
|
|
}
|
|
if len(segment.Pieces) > 0 {
|
|
segments = append(segments, segment)
|
|
}
|
|
}
|
|
}
|
|
|
|
if err := rows.Err(); err != nil {
|
|
return nil, nil, Error.New("unable to delete object: %w", err)
|
|
}
|
|
|
|
if len(segments) == 0 {
|
|
return objects, nil, nil
|
|
}
|
|
return objects, segments, nil
|
|
}
|
|
|
|
func (db *DB) scanMultipleObjectsDeletion(ctx context.Context, rows tagsql.Rows) (objects []Object, segments []DeletedSegmentInfo, err error) {
|
|
defer func() { err = errs.Combine(err, rows.Close()) }()
|
|
|
|
objects = make([]Object, 0, 10)
|
|
segments = make([]DeletedSegmentInfo, 0, 10)
|
|
|
|
var rootPieceID *storj.PieceID
|
|
var object Object
|
|
var segment DeletedSegmentInfo
|
|
var aliasPieces AliasPieces
|
|
|
|
for rows.Next() {
|
|
err = rows.Scan(&object.ProjectID, &object.BucketName,
|
|
&object.ObjectKey, &object.Version, &object.StreamID,
|
|
&object.CreatedAt, &object.ExpiresAt,
|
|
&object.Status, &object.SegmentCount,
|
|
&object.EncryptedMetadataNonce, &object.EncryptedMetadata, &object.EncryptedMetadataEncryptedKey,
|
|
&object.TotalPlainSize, &object.TotalEncryptedSize, &object.FixedSegmentSize,
|
|
encryptionParameters{&object.Encryption}, &rootPieceID, &aliasPieces)
|
|
if err != nil {
|
|
return nil, nil, Error.New("unable to delete object: %w", err)
|
|
}
|
|
|
|
if len(objects) == 0 || objects[len(objects)-1].StreamID != object.StreamID {
|
|
objects = append(objects, object)
|
|
}
|
|
if rootPieceID != nil {
|
|
segment.RootPieceID = *rootPieceID
|
|
segment.Pieces, err = db.aliasCache.ConvertAliasesToPieces(ctx, aliasPieces)
|
|
if err != nil {
|
|
return nil, nil, Error.Wrap(err)
|
|
}
|
|
if len(segment.Pieces) > 0 {
|
|
segments = append(segments, segment)
|
|
}
|
|
}
|
|
}
|
|
|
|
if err := rows.Err(); err != nil {
|
|
return nil, nil, Error.New("unable to delete object: %w", err)
|
|
}
|
|
|
|
if len(objects) == 0 {
|
|
objects = nil
|
|
}
|
|
if len(segments) == 0 {
|
|
return objects, nil, nil
|
|
}
|
|
|
|
return objects, segments, nil
|
|
}
|