mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
72 lines
2 KiB
Go
72 lines
2 KiB
Go
package command
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import (
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"os"
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"path"
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"strconv"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/storage"
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"github.com/chrislusf/seaweedfs/weed/storage/types"
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)
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func init() {
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cmdFix.Run = runFix // break init cycle
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}
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var cmdFix = &Command{
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UsageLine: "fix -dir=/tmp -volumeId=234",
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Short: "run weed tool fix on index file if corrupted",
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Long: `Fix runs the SeaweedFS fix command to re-create the index .idx file.
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`,
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}
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var (
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fixVolumePath = cmdFix.Flag.String("dir", ".", "data directory to store files")
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fixVolumeCollection = cmdFix.Flag.String("collection", "", "the volume collection name")
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fixVolumeId = cmdFix.Flag.Int("volumeId", -1, "a volume id. The volume should already exist in the dir. The volume index file should not exist.")
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)
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func runFix(cmd *Command, args []string) bool {
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if *fixVolumeId == -1 {
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return false
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}
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fileName := strconv.Itoa(*fixVolumeId)
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if *fixVolumeCollection != "" {
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fileName = *fixVolumeCollection + "_" + fileName
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}
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indexFile, err := os.OpenFile(path.Join(*fixVolumePath, fileName+".idx"), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
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if err != nil {
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glog.Fatalf("Create Volume Index [ERROR] %s\n", err)
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}
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defer indexFile.Close()
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nm := storage.NewBtreeNeedleMap(indexFile)
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defer nm.Close()
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vid := storage.VolumeId(*fixVolumeId)
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err = storage.ScanVolumeFile(*fixVolumePath, *fixVolumeCollection, vid,
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storage.NeedleMapInMemory,
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func(superBlock storage.SuperBlock) error {
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return nil
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}, false, func(n *storage.Needle, offset int64) error {
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glog.V(2).Infof("key %d offset %d size %d disk_size %d gzip %v", n.Id, offset, n.Size, n.DiskSize(), n.IsGzipped())
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if n.Size > 0 {
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pe := nm.Put(n.Id, types.Offset(offset/types.NeedlePaddingSize), n.Size)
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glog.V(2).Infof("saved %d with error %v", n.Size, pe)
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} else {
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glog.V(2).Infof("skipping deleted file ...")
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return nm.Delete(n.Id, types.Offset(offset/types.NeedlePaddingSize))
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}
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return nil
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})
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if err != nil {
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glog.Fatalf("Export Volume File [ERROR] %s\n", err)
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}
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return true
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}
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