72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package blobstor
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import (
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"context"
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"fmt"
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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/blobstor/common"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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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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// Iterate traverses the storage over the stored objects and calls the handler
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// on each element.
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//
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// Returns any error encountered that
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// did not allow to completely iterate over the storage.
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//
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// If handler returns an error, method wraps and returns it immediately.
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func (b *BlobStor) Iterate(ctx context.Context, prm common.IteratePrm) (common.IterateRes, error) {
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var (
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startedAt = time.Now()
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success = false
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)
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defer func() {
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b.metrics.Iterate(time.Since(startedAt), success)
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}()
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ctx, span := tracing.StartSpanFromContext(ctx, "BlobStor.Iterate",
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trace.WithAttributes(
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attribute.Bool("ignore_errors", prm.IgnoreErrors),
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))
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defer span.End()
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b.modeMtx.RLock()
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defer b.modeMtx.RUnlock()
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for i := range b.storage {
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_, err := b.storage[i].Storage.Iterate(ctx, prm)
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if err != nil {
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if prm.IgnoreErrors {
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b.log.Warn(logs.BlobstorErrorOccurredDuringTheIteration,
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zap.String("storage_path", b.storage[i].Storage.Path()),
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zap.String("storage_type", b.storage[i].Storage.Type()),
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zap.String("err", err.Error()))
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continue
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}
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return common.IterateRes{}, fmt.Errorf("blobstor iterator failure: %w", err)
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}
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}
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success = true
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return common.IterateRes{}, nil
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}
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// IterateBinaryObjects is a helper function which iterates over BlobStor and passes binary objects to f.
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// Errors related to object reading and unmarshaling are logged and skipped.
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func IterateBinaryObjects(ctx context.Context, blz *BlobStor, f func(addr oid.Address, data []byte, descriptor []byte) error) error {
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var prm common.IteratePrm
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prm.Handler = func(elem common.IterationElement) error {
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return f(elem.Address, elem.ObjectData, elem.StorageID)
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}
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prm.IgnoreErrors = true
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_, err := blz.Iterate(ctx, prm)
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return err
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}
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