mirror of
https://github.com/kopia/kopia.git
synced 2026-01-26 07:18:02 -05:00
114 lines
3.1 KiB
Go
114 lines
3.1 KiB
Go
package cli
|
|
|
|
import (
|
|
"context"
|
|
"sync/atomic"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/kopia/kopia/repo"
|
|
"github.com/kopia/kopia/repo/blob"
|
|
"github.com/kopia/kopia/repo/content"
|
|
)
|
|
|
|
var (
|
|
contentVerifyCommand = contentCommands.Command("verify", "Verify that each content is backed by a valid blob")
|
|
|
|
contentVerifyParallel = contentVerifyCommand.Flag("parallel", "Parallelism").Default("16").Int()
|
|
contentVerifyFull = contentVerifyCommand.Flag("full", "Full verification (including download)").Bool()
|
|
contentVerifyIncludeDeleted = contentVerifyCommand.Flag("include-deleted", "Include deleted contents").Bool()
|
|
)
|
|
|
|
func readBlobMap(ctx context.Context, br blob.Reader) (map[blob.ID]blob.Metadata, error) {
|
|
blobMap := map[blob.ID]blob.Metadata{}
|
|
|
|
log(ctx).Infof("Listing blobs...")
|
|
|
|
if err := br.ListBlobs(ctx, "", func(bm blob.Metadata) error {
|
|
blobMap[bm.BlobID] = bm
|
|
if len(blobMap)%10000 == 0 {
|
|
log(ctx).Infof(" %v blobs...", len(blobMap))
|
|
}
|
|
return nil
|
|
}); err != nil {
|
|
return nil, errors.Wrap(err, "unable to list blobs")
|
|
}
|
|
|
|
log(ctx).Infof("Listed %v blobs.", len(blobMap))
|
|
|
|
return blobMap, nil
|
|
}
|
|
|
|
func runContentVerifyCommand(ctx context.Context, rep repo.DirectRepository) error {
|
|
blobMap := map[blob.ID]blob.Metadata{}
|
|
|
|
if !*contentVerifyFull {
|
|
m, err := readBlobMap(ctx, rep.BlobReader())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
blobMap = m
|
|
}
|
|
|
|
var totalCount, successCount, errorCount int32
|
|
|
|
log(ctx).Infof("Verifying all contents...")
|
|
|
|
err := rep.ContentReader().IterateContents(ctx, content.IterateOptions{
|
|
Range: contentIDRange(),
|
|
Parallel: *contentVerifyParallel,
|
|
IncludeDeleted: *contentVerifyIncludeDeleted,
|
|
}, func(ci content.Info) error {
|
|
if err := contentVerify(ctx, rep.ContentReader(), ci, blobMap); err != nil {
|
|
log(ctx).Errorf("error %v", err)
|
|
atomic.AddInt32(&errorCount, 1)
|
|
} else {
|
|
atomic.AddInt32(&successCount, 1)
|
|
}
|
|
|
|
if t := atomic.AddInt32(&totalCount, 1); t%100000 == 0 {
|
|
log(ctx).Infof(" %v contents, %v errors...", t, atomic.LoadInt32(&errorCount))
|
|
}
|
|
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return errors.Wrap(err, "iterate contents")
|
|
}
|
|
|
|
log(ctx).Infof("Finished verifying %v contents, found %v errors.", totalCount, errorCount)
|
|
|
|
if errorCount == 0 {
|
|
return nil
|
|
}
|
|
|
|
return errors.Errorf("encountered %v errors", errorCount)
|
|
}
|
|
|
|
func contentVerify(ctx context.Context, r content.Reader, ci content.Info, blobMap map[blob.ID]blob.Metadata) error {
|
|
if *contentVerifyFull {
|
|
if _, err := r.GetContent(ctx, ci.GetContentID()); err != nil {
|
|
return errors.Wrapf(err, "content %v is invalid", ci.GetContentID())
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
bi, ok := blobMap[ci.GetPackBlobID()]
|
|
if !ok {
|
|
return errors.Errorf("content %v depends on missing blob %v", ci.GetContentID(), ci.GetPackBlobID())
|
|
}
|
|
|
|
if int64(ci.GetPackOffset()+ci.GetPackedLength()) > bi.Length {
|
|
return errors.Errorf("content %v out of bounds of its pack blob %v", ci.GetContentID(), ci.GetPackBlobID())
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
contentVerifyCommand.Action(directRepositoryReadAction(runContentVerifyCommand))
|
|
setupContentIDRangeFlags(contentVerifyCommand)
|
|
}
|