74 lines
2 KiB
Go
74 lines
2 KiB
Go
package blobovniczatree
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import (
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"context"
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"encoding/hex"
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"path/filepath"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobovnicza"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
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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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// Exists implements common.Storage.
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func (b *Blobovniczas) Exists(ctx context.Context, prm common.ExistsPrm) (common.ExistsRes, error) {
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var (
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startedAt = time.Now()
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success = false
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found = false
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)
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defer func() {
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b.metrics.Exists(time.Since(startedAt), success, prm.StorageID != nil)
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}()
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ctx, span := tracing.StartSpanFromContext(ctx, "Blobovniczas.Exists",
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trace.WithAttributes(
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attribute.String("path", b.rootPath),
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attribute.String("address", prm.Address.EncodeToString()),
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attribute.String("storage_id", hex.EncodeToString(prm.StorageID)),
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))
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defer span.End()
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if prm.StorageID != nil {
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id := blobovnicza.NewIDFromBytes(prm.StorageID)
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blz, err := b.openBlobovnicza(id.String())
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if err != nil {
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return common.ExistsRes{}, err
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}
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exists, err := blz.Exists(ctx, prm.Address)
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return common.ExistsRes{Exists: exists}, err
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}
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activeCache := make(map[string]struct{})
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var gPrm blobovnicza.GetPrm
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gPrm.SetAddress(prm.Address)
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err := b.iterateSortedLeaves(ctx, &prm.Address, func(p string) (bool, error) {
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dirPath := filepath.Dir(p)
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_, ok := activeCache[dirPath]
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_, err := b.getObjectFromLevel(ctx, gPrm, p, !ok)
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if err != nil {
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if !blobovnicza.IsErrNotFound(err) {
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b.log.Debug(logs.BlobovniczatreeCouldNotGetObjectFromLevel,
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zap.String("level", p),
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zap.String("error", err.Error()))
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}
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}
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activeCache[dirPath] = struct{}{}
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found = err == nil
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return found, nil
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})
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success = err == nil
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return common.ExistsRes{Exists: found}, err
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}
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