#/bin/bash

#==============================================================================#
#
# /root/bin/mount_img.sh /var/lib/uvtool/libvirt/images/x-uvt-b64-Y29tLnVidW50dS5jbG91ZDpzZXJ2ZXI6MTYuMDQ6YW1kNjQgMjAxODA5PWE=_bionic.raw /mnt
#
#==============================================================================#

VERSION="v2018092100"


SKRIPTVERZ="$(dirname ${0})"
#. ${SKRIPTVERZ}/mount_img.cfg

# mount -o loop,offset=$((512*2048)) /var/lib/uvtool/libvirt/images/x-uvt-b64-Y29tLnVidW50dS5jbG91ZDpzZXJ2ZXI6MTYuMDQ6YW1kNjQgMjAxODA5MTI=_xenial.raw /mnt/
IMAGE_NAME="${1}"
MOUNT_POINT="${2}"

#------------------------------------------------------------------------------#
### Parameterüberprüfung

if [ ! -e "${IMAGE_NAME}" ] ; then
        echo "Das Image '${IMAGE_NAME}' wurde nicht gefunden..."
        exit 1
fi

if [ ! -d "${MOUNT_POINT}" ] ; then
        echo "Der Mount-Point '${MOUNT_POINT}' ist bereits belegt..."
        exit 1
fi

BELEGT="$(df -h ${MOUNT_POINT} | tail -n1 | awk '{print $1}' | fgrep loop)"
if [ "x${BELEGT}" != "x" ] ; then
        echo "Der Mount-Point '${MOUNT_POINT}' ist bereits belegt: '${BELEGT}'"
        exit 1
fi

#------------------------------------------------------------------------------#
### mount

losetup -fP "${IMAGE_NAME}"
LO_DEV="$(losetup -a | fgrep "${IMAGE_NAME}" | awk -F':' '{print $1}')"
ls -lha ${LO_DEV}*
mount ${LO_DEV}p1 ${MOUNT_POINT}

#------------------------------------------------------------------------------#
### Bind-Mount

mount -B /proc/ /${MOUNT_POINT}/proc/
mount -B /sys/ /${MOUNT_POINT}/sys/
mount -B /dev/ /${MOUNT_POINT}/dev/
mount -B /dev/pts/ /${MOUNT_POINT}/dev/pts/