linux + luks startup script

crypt-init.sh

#!/bin/sh

VOLUMES="rt/data:cryptodata:/data"
SERVICES="mysql"

for vol in $VOLUMES
  do
    unset status
    encrypted_lv=`echo $vol     | awk -F: '{print $1}'`
    decrypted_device=`echo $vol | awk -F: '{print $2}'`
    decrypted_mount=`echo $vol  | awk -F: '{print $3}'`

    cryptsetup luksOpen /dev/${encrypted_lv} ${decrypted_device} \
      && mount /dev/mapper/${decrypted_device} ${decrypted_mount} \
      && status=ok
  done

if [ "x$status" = "xok" ]; then
  for svc in $SERVICES
    do
      /etc/init.d/${svc} start
    done
fi