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Windows: Cleanup rm- prefixed layers

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Some layers might be prefixed with rm-, which will result
in an error when converting that string into an integer.

Signed-off-by: Claudiu Belu <cbelu@cloudbasesolutions.com>
This commit is contained in:
Claudiu Belu 2021-10-15 12:13:49 +03:00
parent 64291df71b
commit ca35f4e820
1 changed files with 20 additions and 4 deletions
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24
sys/filesys_windows.go
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@ -278,12 +278,22 @@ func ForceRemoveAll(path string) error {
func cleanupWCOWLayers(root string) error {
// See snapshots/windows/windows.go getSnapshotDir()
var layerNums []int
var rmLayerNums []int
if err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if path != root && info.IsDir() {
if layerNum, err := strconv.Atoi(filepath.Base(path)); err == nil {
layerNums = append(layerNums, layerNum)
name := filepath.Base(path)
if strings.HasPrefix(name, "rm-") {
layerNum, err := strconv.Atoi(strings.TrimPrefix(name, "rm-"))
if err != nil {
return err
}
rmLayerNums = append(rmLayerNums, layerNum)
} else {
return err
layerNum, err := strconv.Atoi(name)
if err != nil {
return err
}
layerNums = append(layerNums, layerNum)
}
return filepath.SkipDir
}
@ -293,8 +303,14 @@ func cleanupWCOWLayers(root string) error {
return err
}
sort.Sort(sort.Reverse(sort.IntSlice(layerNums)))
sort.Sort(sort.Reverse(sort.IntSlice(rmLayerNums)))
for _, rmLayerNum := range rmLayerNums {
if err := cleanupWCOWLayer(filepath.Join(root, "rm-"+strconv.Itoa(rmLayerNum))); err != nil {
return err
}
}
sort.Sort(sort.Reverse(sort.IntSlice(layerNums)))
for _, layerNum := range layerNums {
if err := cleanupWCOWLayer(filepath.Join(root, strconv.Itoa(layerNum))); err != nil {
return err