Rather than remove the swarm directory and re-create, remove the swarm subdirs
@@ -38,12 +38,19 @@ func savePersistentState(root string, config nodeStartConfig) error {
func clearPersistentState(root string) error {
// todo: backup this data instead of removing?
- if err := os.RemoveAll(root); err != nil {
+ // rather than delete the entire swarm directory, delete the contents in order to preserve the inode
+ // (for example, allowing it to be bind-mounted)
+ files, err := ioutil.ReadDir(root)
+ if err != nil {
return err
}
- if err := os.MkdirAll(root, 0700); err != nil {
+
+ for _, f := range files {
+ if err := os.RemoveAll(filepath.Join(root, f.Name())); err != nil {
return err
}
+ }
+
return nil
}
