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feat: support db validate command (#4435)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| // Copyright 2023 The Swarm Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package storer | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "path" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/ethersphere/bee/pkg/cac" | ||
| "github.com/ethersphere/bee/pkg/log" | ||
| "github.com/ethersphere/bee/pkg/sharky" | ||
| "github.com/ethersphere/bee/pkg/soc" | ||
| "github.com/ethersphere/bee/pkg/storage" | ||
| "github.com/ethersphere/bee/pkg/storer/internal/chunkstore" | ||
| "github.com/ethersphere/bee/pkg/swarm" | ||
| ) | ||
|
|
||
| // Validate ensures that all retrievalIndex chunks are correctly stored in sharky. | ||
| func Validate(ctx context.Context, basePath string, opts *Options) error { | ||
|
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| logger := opts.Logger | ||
|
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| store, err := initStore(basePath, opts) | ||
| if err != nil { | ||
| return fmt.Errorf("failed creating levelDB index store: %w", err) | ||
| } | ||
| defer func() { | ||
| if err := store.Close(); err != nil { | ||
| logger.Error(err, "failed closing store") | ||
| } | ||
| }() | ||
|
|
||
| sharky, err := sharky.New(&dirFS{basedir: path.Join(basePath, sharkyPath)}, | ||
| sharkyNoOfShards, swarm.SocMaxChunkSize) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| if err := sharky.Close(); err != nil { | ||
| logger.Error(err, "failed closing sharky") | ||
| } | ||
| }() | ||
|
|
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| logger.Info("performing chunk validation") | ||
| validateWork(logger, store, sharky.Read) | ||
|
|
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| return nil | ||
| } | ||
|
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| func validateWork(logger log.Logger, store storage.Store, readFn func(context.Context, sharky.Location, []byte) error) { | ||
|
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| total := 0 | ||
| socCount := 0 | ||
| invalidCount := 0 | ||
|
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| n := time.Now() | ||
| defer func() { | ||
| logger.Info("validation finished", "duration", time.Since(n), "invalid", invalidCount, "soc", socCount, "total", total) | ||
| }() | ||
|
|
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| iteratateItemsC := make(chan *chunkstore.RetrievalIndexItem) | ||
|
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| validChunk := func(item *chunkstore.RetrievalIndexItem, buf []byte) { | ||
| err := readFn(context.Background(), item.Location, buf) | ||
| if err != nil { | ||
| logger.Warning("invalid chunk", "address", item.Address, "timestamp", time.Unix(int64(item.Timestamp), 0), "location", item.Location, "error", err) | ||
| return | ||
| } | ||
|
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| ch := swarm.NewChunk(item.Address, buf) | ||
| if !cac.Valid(ch) { | ||
| if soc.Valid(ch) { | ||
| socCount++ | ||
| logger.Debug("found soc chunk", "address", item.Address, "timestamp", time.Unix(int64(item.Timestamp), 0)) | ||
| } else { | ||
| invalidCount++ | ||
| logger.Warning("invalid cac/soc chunk", "address", item.Address, "timestamp", time.Unix(int64(item.Timestamp), 0)) | ||
|
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| h, err := cac.DoHash(buf[swarm.SpanSize:], buf[:swarm.SpanSize]) | ||
| if err != nil { | ||
| logger.Error(err, "cac hash") | ||
| return | ||
| } | ||
|
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| computedAddr := swarm.NewAddress(h) | ||
|
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| if !cac.Valid(swarm.NewChunk(computedAddr, buf)) { | ||
| logger.Warning("computed chunk is also an invalid cac", "err", err) | ||
| return | ||
| } | ||
|
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| sharedEntry := chunkstore.RetrievalIndexItem{Address: computedAddr} | ||
| err = store.Get(&sharedEntry) | ||
| if err != nil { | ||
| logger.Warning("no shared entry found") | ||
| return | ||
| } | ||
|
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| logger.Warning("retrieved chunk with shared slot", "shared_address", sharedEntry.Address, "shared_timestamp", time.Unix(int64(sharedEntry.Timestamp), 0)) | ||
| } | ||
| } | ||
| } | ||
|
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| s := time.Now() | ||
|
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| _ = chunkstore.Iterate(store, func(item *chunkstore.RetrievalIndexItem) error { | ||
| total++ | ||
| return nil | ||
| }) | ||
| logger.Info("validation count finished", "duration", time.Since(s), "total", total) | ||
|
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| var wg sync.WaitGroup | ||
|
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| for i := 0; i < 8; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| buf := make([]byte, swarm.SocMaxChunkSize) | ||
| for item := range iteratateItemsC { | ||
| validChunk(item, buf[:item.Location.Length]) | ||
| } | ||
| }() | ||
| } | ||
|
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| count := 0 | ||
| _ = chunkstore.Iterate(store, func(item *chunkstore.RetrievalIndexItem) error { | ||
| iteratateItemsC <- item | ||
| count++ | ||
| if count%100_000 == 0 { | ||
| logger.Info("..still validating chunks", "count", count, "invalid", invalidCount, "soc", socCount, "total", total, "percent", fmt.Sprintf("%.2f", (float64(count)*100.0)/float64(total))) | ||
| } | ||
| return nil | ||
| }) | ||
|
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| close(iteratateItemsC) | ||
|
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| wg.Wait() | ||
| } |