package blobstor import ( "context" "encoding/hex" "errors" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr" "git.frostfs.info/TrueCloudLab/frostfs-observability/tracing" apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status" "go.opentelemetry.io/otel/attribute" "go.opentelemetry.io/otel/trace" ) // Get reads the object from b. // If the descriptor is present, only one sub-storage is tried, // Otherwise, each sub-storage is tried in order. func (b *BlobStor) Get(ctx context.Context, prm common.GetPrm) (common.GetRes, error) { ctx, span := tracing.StartSpanFromContext(ctx, "BlobStor.Get", trace.WithAttributes( attribute.String("address", prm.Address.EncodeToString()), attribute.Bool("raw", prm.Raw), attribute.String("storage_id", hex.EncodeToString(prm.StorageID)), )) defer span.End() b.modeMtx.RLock() defer b.modeMtx.RUnlock() if prm.StorageID == nil { for i := range b.storage { res, err := b.storage[i].Storage.Get(ctx, prm) if err == nil || !errors.As(err, new(apistatus.ObjectNotFound)) { return res, err } } return common.GetRes{}, logicerr.Wrap(apistatus.ObjectNotFound{}) } if len(prm.StorageID) == 0 { return b.storage[len(b.storage)-1].Storage.Get(ctx, prm) } return b.storage[0].Storage.Get(ctx, prm) }