forked from TrueCloudLab/frostfs-node
107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
package blobovnicza
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import (
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"context"
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"errors"
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"syscall"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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tracingPkg "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/tracing"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"go.etcd.io/bbolt"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/trace"
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"go.uber.org/zap"
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)
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// DeletePrm groups the parameters of Delete operation.
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type DeletePrm struct {
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addr oid.Address
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}
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// DeleteRes groups the resulting values of Delete operation.
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type DeleteRes struct{}
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// SetAddress sets the address of the requested object.
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func (p *DeletePrm) SetAddress(addr oid.Address) {
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p.addr = addr
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}
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// Delete removes an object from Blobovnicza by address.
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//
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// Returns any error encountered that
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// did not allow to completely delete the object.
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//
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// Returns an error of type apistatus.ObjectNotFound if the object to be deleted is not in blobovnicza.
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//
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// Should not be called in read-only configuration.
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func (b *Blobovnicza) Delete(ctx context.Context, prm DeletePrm) (DeleteRes, error) {
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_, span := tracing.StartSpanFromContext(ctx, "Blobovnicza.Delete",
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trace.WithAttributes(
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attribute.String("path", b.path),
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attribute.String("address", prm.addr.EncodeToString()),
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))
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defer span.End()
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addrKey := addressKey(prm.addr)
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found := false
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var sizeUpperBound uint64
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var sizeLowerBound uint64
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var dataSize uint64
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var recordSize uint64
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err := b.boltDB.Update(func(tx *bbolt.Tx) error {
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err := b.iterateAllDataBuckets(tx, func(lower, upper uint64, buck *bbolt.Bucket) (bool, error) {
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objData := buck.Get(addrKey)
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if objData == nil {
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// object is not in bucket => continue iterating
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return false, nil
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}
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dataSize = uint64(len(objData))
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sizeLowerBound = lower
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sizeUpperBound = upper
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recordSize = dataSize + uint64(len(addrKey))
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found = true
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return true, buck.Delete(addrKey)
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})
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if err != nil {
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return err
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}
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if found {
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return updateMeta(tx, func(count, size uint64) (uint64, uint64) {
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if count > 0 {
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count--
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}
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if size >= recordSize {
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size -= recordSize
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} else {
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size = 0
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}
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return count, size
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})
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}
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return nil
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})
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if err == nil && !found {
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return DeleteRes{}, new(apistatus.ObjectNotFound)
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}
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if err == nil && found {
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b.log.Debug(ctx, logs.BlobovniczaObjectWasRemovedFromBucket,
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zap.String("binary size", stringifyByteSize(dataSize)),
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zap.String("range", stringifyBounds(sizeLowerBound, sizeUpperBound)),
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zap.String("trace_id", tracingPkg.GetTraceID(ctx)),
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)
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b.itemDeleted(recordSize)
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}
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if errors.Is(err, syscall.ENOSPC) {
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err = ErrNoSpace
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}
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return DeleteRes{}, err
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}
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