_tree_walk() {
  echo "${1}"
  for d in `curl -s rancher-metadata/latest${1}`; do
    if echo $d | egrep -q "/$"; then
      _tree_walk "${1}/$(echo $d | sed 's/\///g')"
    elif echo $d | egrep -q '^[0-9]+='; then
      _tree_walk "${1}/$(echo $d | cut -d'=' -f1)"
    else
      _tree_get ${1}/${d}
    fi
  done
}
_tree_get() { 
  echo "${1} : $(curl -s rancher-metadata/latest${1})"
}
_tree_walk