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added re-generating and writing the Volume UUID if it is empty (#6568)

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This commit is contained in:
Aleksey Kosov
2025-02-24 18:58:43 +03:00
committed by GitHub
parent be74548cb5
commit ef4eda0761
2 changed files with 16 additions and 10 deletions
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23
weed/storage/disk_location.go
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@@ -40,21 +40,28 @@ type DiskLocation struct {
func GenerateDirUuid(dir string) (dirUuidString string, err error) {
glog.V(1).Infof("Getting uuid of volume directory:%s", dir)
dirUuidString = ""
fileName := dir + "/vol_dir.uuid"
if !util.FileExists(fileName) {
dirUuid, _ := uuid.NewRandom()
dirUuidString = dirUuid.String()
writeErr := util.WriteFile(fileName, []byte(dirUuidString), 0644)
if writeErr != nil {
return "", fmt.Errorf("failed to write uuid to %s : %v", fileName, writeErr)
}
dirUuidString, err = writeNewUuid(fileName)
} else {
uuidData, readErr := os.ReadFile(fileName)
if readErr != nil {
return "", fmt.Errorf("failed to read uuid from %s : %v", fileName, readErr)
}
dirUuidString = string(uuidData)
if len(uuidData) > 0 {
dirUuidString = string(uuidData)
} else {
dirUuidString, err = writeNewUuid(fileName)
}
}
return dirUuidString, err
}
func writeNewUuid(fileName string) (string, error) {
dirUuid, _ := uuid.NewRandom()
dirUuidString := dirUuid.String()
if err := util.WriteFile(fileName, []byte(dirUuidString), 0644); err != nil {
return "", fmt.Errorf("failed to write uuid to %s : %v", fileName, err)
}
return dirUuidString, nil
}