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vc: Clean up directories in case MkdirAll fails

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Fixes #2230

Signed-off-by: Ted Yu <yuzhihong@gmail.com>
This commit is contained in:
Ted Yu 2019-11-21 02:27:17 -08:00
parent 48c8d669fe
commit 03478d4540
1 changed files with 12 additions and 2 deletions
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14
virtcontainers/persist/fs/fs.go
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@ -126,12 +126,22 @@ func (fs *FS) ToDisk(ss persistapi.SandboxState, cs map[string]persistapi.Contai
return err
}
var dirCreationErr error
var createdDirs []string
defer func() {
if dirCreationErr != nil && len(createdDirs) > 0 {
for _, dir := range createdDirs {
os.RemoveAll(dir)
}
}
}()
// persist container configuration data
for cid, cstate := range fs.containerState {
cdir := filepath.Join(sandboxDir, cid)
if err := os.MkdirAll(cdir, dirMode); err != nil {
return err
if dirCreationErr = os.MkdirAll(cdir, dirMode); dirCreationErr != nil {
return dirCreationErr
}
createdDirs = append(createdDirs, cdir)
cfile := filepath.Join(cdir, persistFile)
cf, err := os.OpenFile(cfile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, fileMode)