mirror of
https://github.com/octoleo/restic.git
synced 2024-11-23 05:12:10 +00:00
Make rebuild-index
use the code in package repository
This commit is contained in:
parent
00139648a0
commit
fa26ecc8f9
@ -1,14 +1,6 @@
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package main
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import (
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"fmt"
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"os"
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"restic/backend"
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"restic/debug"
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"restic/pack"
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"restic/repository"
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"restic/worker"
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)
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import "restic/repository"
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type CmdRebuildIndex struct {
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global *GlobalOptions
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@ -26,94 +18,6 @@ func init() {
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}
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}
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const rebuildIndexWorkers = 10
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func loadBlobsFromPacks(repo *repository.Repository) (packs map[backend.ID][]pack.Blob) {
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done := make(chan struct{})
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defer close(done)
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f := func(job worker.Job, done <-chan struct{}) (interface{}, error) {
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return repo.ListPack(job.Data.(backend.ID))
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}
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jobCh := make(chan worker.Job)
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resCh := make(chan worker.Job)
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wp := worker.New(rebuildIndexWorkers, f, jobCh, resCh)
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go func() {
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for id := range repo.List(backend.Data, done) {
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jobCh <- worker.Job{Data: id}
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}
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close(jobCh)
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}()
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packs = make(map[backend.ID][]pack.Blob)
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for job := range resCh {
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id := job.Data.(backend.ID)
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if job.Error != nil {
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fmt.Fprintf(os.Stderr, "error for pack %v: %v\n", id, job.Error)
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continue
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}
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entries := job.Result.([]pack.Blob)
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packs[id] = entries
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}
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wp.Wait()
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return packs
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}
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func listIndexIDs(repo *repository.Repository) (list backend.IDs) {
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done := make(chan struct{})
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for id := range repo.List(backend.Index, done) {
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list = append(list, id)
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}
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return list
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}
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func (cmd CmdRebuildIndex) rebuildIndex() error {
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debug.Log("RebuildIndex.RebuildIndex", "start rebuilding index")
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packs := loadBlobsFromPacks(cmd.repo)
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cmd.global.Verbosef("loaded blobs from %d packs\n", len(packs))
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idx := repository.NewIndex()
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for packID, entries := range packs {
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for _, entry := range entries {
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pb := repository.PackedBlob{
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ID: entry.ID,
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Type: entry.Type,
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Length: entry.Length,
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Offset: entry.Offset,
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PackID: packID,
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}
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idx.Store(pb)
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}
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}
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oldIndexes := listIndexIDs(cmd.repo)
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idx.AddToSupersedes(oldIndexes...)
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cmd.global.Printf(" saving new index\n")
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id, err := repository.SaveIndex(cmd.repo, idx)
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if err != nil {
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debug.Log("RebuildIndex.RebuildIndex", "error saving index: %v", err)
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return err
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}
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debug.Log("RebuildIndex.RebuildIndex", "new index saved as %v", id.Str())
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for _, indexID := range oldIndexes {
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err := cmd.repo.Backend().Remove(backend.Index, indexID.String())
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if err != nil {
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cmd.global.Warnf("unable to remove index %v: %v\n", indexID.Str(), err)
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}
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}
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return nil
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}
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func (cmd CmdRebuildIndex) Execute(args []string) error {
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repo, err := cmd.global.OpenRepository()
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if err != nil {
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@ -127,5 +31,5 @@ func (cmd CmdRebuildIndex) Execute(args []string) error {
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return err
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}
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return cmd.rebuildIndex()
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return repository.RebuildIndex(repo)
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}
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