#!/bin/bash
MapName=$1
ContainerName="${MapName}foo"

red=`tput setaf 1`
green=`tput setaf 2`
reset=`tput sgr0`

CMD=("umount" "/dev/mapper/${MapName}")
if ! "${CMD[@]}"; then
  echo "${red}can't umount ${MapName}${reset}"
  exit 1
fi

CMD=("lvchange" "-a" "n" "/dev/mapper/${MapName}")
if ! "${CMD[@]}"; then
  echo "${red}can't remove lv ${MapName}${reset}"
  exit 1
fi

CMD=("cryptsetup" "luksClose" "$ContainerName")
if ! "${CMD[@]}"; then
  echo "${red}can't close luks ${ContainerName}${reset}"
  exit 1
fi

echo "${green}success umount ${MapName} ${reset}"