218 lines
6.1 KiB
Bash
Executable File
218 lines
6.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2021 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Script to upload files to a Artifact container for deployment via
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# TripleO Heat Templates.
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#
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set -eu
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set -o pipefail
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SCRIPT_NAME=$(basename $0)
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NBD_DEVICE=/dev/nbd0
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IMAGE_FILE=""
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MOUNT_DIR=""
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if [ ! -a "${NBD_DEVICE}" ]; then
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modprobe nbd
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fi
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# supported LVM devices and mount points for whole-disk overcloud images
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MOUNTS="/dev/mapper/vg-lv_var:/var \
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/dev/mapper/vg-lv_log:/var/log \
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/dev/mapper/vg-lv_audit:/var/log/audit \
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/dev/mapper/vg-lv_home:/home \
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/dev/mapper/vg-lv_tmp:/tmp \
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/dev/mapper/vg-lv_srv:/srv"
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REVERSE_MOUNTS=""
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for m in $MOUNTS; do
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REVERSE_MOUNTS="$m $REVERSE_MOUNTS"
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done
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mount_show_options() {
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echo "Usage: $SCRIPT_NAME"
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echo
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echo "Options:"
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echo " -h, --help -- print this help."
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echo " -a <file> -- Image file to mount."
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echo " -m <directory> -- Directory to mount image to."
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echo " -n <nbd device> -- NBD device to use."
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echo " Defaults to /dev/nbd0"
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echo
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echo "Mount an overcloud image to a directory"
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echo
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exit $1
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}
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unmount_show_options() {
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echo "Usage: $SCRIPT_NAME"
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echo
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echo "Options:"
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echo " -h, --help -- print this help."
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echo " -m <directory> -- Directory to unmount."
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echo " -n <nbd device> -- NBD device to disconnect."
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echo " Defaults to /dev/nbd0"
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echo
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echo "Unmount a mounted overcloud image"
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echo
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exit $1
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}
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mount_volume () {
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if [ -b "$1" ]; then
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if [ ! -d $2 ]; then
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mkdir $2
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fi
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mount $1 $2
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fi
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}
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unmount_volume () {
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if mountpoint "$1"; then
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umount $1
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fi
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}
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remove_device () {
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if [ -b "/dev/mapper/$1" ]; then
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dmsetup remove $1
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fi
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}
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mount_image() {
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set -x
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if qemu-img info --output json $IMAGE_FILE |grep '"format": "raw"' ; then
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image_format='--format raw'
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elif qemu-img info --output json $IMAGE_FILE |grep '"format": "qcow2"' ; then
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image_format='--format qcow2'
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else
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image_format=''
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fi
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qemu-nbd $image_format --connect $NBD_DEVICE $IMAGE_FILE
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# search for the vg volume group, this is automatic in some environments
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vgscan
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# refresh for when this script is called with different values of $NBD_DEVICE
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vgchange --refresh
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# activate new logical volumes, this is automatic in some environments
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vgchange -ay
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if [ -b "${NBD_DEVICE}p3" ]; then
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# 3 partitions in the image, so assume the first 2 are boot partitions
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if [ -b "/dev/mapper/vg-lv_root" ]; then
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# a whole-disk overcloud with lvm volumes
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# for example, overcloud-hardened-uefi-full.qcow2
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mount /dev/mapper/vg-lv_root $MOUNT_DIR
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for m in $MOUNTS; do
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device=${m%:*}
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path=${m#*:}
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mount_volume $device $MOUNT_DIR$path
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done
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else
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# a whole-disk overcloud with a single root partition
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# for example, overcloud-hardened-full.qcow2
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mount ${NBD_DEVICE}p3 $MOUNT_DIR
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fi
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# the EFI partition may be the first or second, try both
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if blkid -t PARTLABEL="ESP" ${NBD_DEVICE}p1 ; then
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mount ${NBD_DEVICE}p1 $MOUNT_DIR/boot/efi
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elif blkid -t PARTLABEL="ESP" ${NBD_DEVICE}p2 ; then
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mount ${NBD_DEVICE}p2 $MOUNT_DIR/boot/efi
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fi
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else
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# a partition image
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# for example, overcloud-full.qcow2
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if [ -b "${NBD_DEVICE}p1" ]; then
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mount ${NBD_DEVICE}p1 $MOUNT_DIR
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else
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mount ${NBD_DEVICE} $MOUNT_DIR
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fi
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fi
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}
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unmount_image() {
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set -x
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if mountpoint "$MOUNT_DIR"; then
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for m in $REVERSE_MOUNTS; do
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path=${m#*:}
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unmount_volume $MOUNT_DIR$path
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done
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unmount_volume $MOUNT_DIR/boot/efi
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unmount_volume $MOUNT_DIR
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fi
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# `--activate n` makes LVs inactive, they must be set
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# inactive so that the nbd device can be disconnected.
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# Ref bug: https://bugs.launchpad.net/tripleo/+bug/1950137
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vgchange --activate n vg || true
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qemu-nbd --disconnect $NBD_DEVICE
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vgchange --refresh vg || true
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for m in $REVERSE_MOUNTS; do
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device=${m%:*}
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remove_device $device
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done
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remove_device vg-lv_root
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}
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if [ $SCRIPT_NAME == "tripleo-unmount-image" ]; then
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TEMP=`getopt -o hm:n: -l help -n $SCRIPT_NAME -- "$@"`
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if [ $? != 0 ]; then
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echo "Terminating..." >&2
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exit 1
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fi
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eval set -- "$TEMP"
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while true ; do
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case "$1" in
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-h|--help) unmount_show_options 0 >&2;;
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-m) MOUNT_DIR=$2 ; shift 2;;
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-n) NBD_DEVICE=$2 ; shift 2;;
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--) shift ; break;;
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*) echo "Error: unsupported option $1." ; exit 1;;
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esac
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done
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if [ -z "${MOUNT_DIR}" ]; then
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unmount_show_options 1
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fi
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unmount_image
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else
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TEMP=`getopt -o ha:m:n: -l help -n $SCRIPT_NAME -- "$@"`
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if [ $? != 0 ]; then
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echo "Terminating..." >&2
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exit 1
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fi
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eval set -- "$TEMP"
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while true ; do
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case "$1" in
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-h|--help) mount_show_options 0 >&2;;
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-a) IMAGE_FILE=$2 ; shift 2;;
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-m) MOUNT_DIR=$2 ; shift 2;;
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-n) NBD_DEVICE=$2 ; shift 2;;
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--) shift ; break;;
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*) echo "Error: unsupported option $1." ; exit 1;;
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esac
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done
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if [ -z "${MOUNT_DIR}" ] || [ -z "${IMAGE_FILE}" ]; then
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mount_show_options 1
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fi
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mount_image
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fi |