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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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# 400_restore_duplicity.sh
# This file is part of Relax-and-Recover, licensed under the GNU General
# Public License. Refer to the included COPYING for full text of license.
#
# Restore from remote backup via DUPLICIY over rsync
if [ "$BACKUP_PROG" = "duplicity" ]; then
local backup_prog_rc
local restore_log_message
LogPrint "========================================================================"
LogPrint "Restoring backup with $BACKUP_PROG from '$BACKUP_DUPLICITY_URL'"
LogPrint "========================================================================"
# Ask for Passphrase if variable BACKUP_DUPLICITY_ASK_PASSPHRASE=1
if is_true "$BACKUP_DUPLICITY_ASK_PASSPHRASE" ; then
read -s -t $WAIT_SECS -r -p "Enter 'Passphrase' for the restore [$WAIT_SECS secs]: " 0<&6 1>&7 2>&8
# when REPLY is empty (perhaps due timeout?) we will abort
test -z "${REPLY}" && Error "Duplicity restore aborted due to missing 'Passphrase'"
BACKUP_DUPLICITY_GPG_ENC_PASSPHRASE="$REPLY"
fi
if [[ -n "$BACKUP_DUPLICITY_GPG_ENC_PASSPHRASE" ]] ; then
# we have a encryption passphrase defined (by asking or by configuration)
export PASSPHRASE="$BACKUP_DUPLICITY_GPG_ENC_PASSPHRASE"
fi
if [[ -n "$BACKUP_DUPLICITY_GPG_ENC_KEY" ]]; then
GPG_KEY="--encrypt-key $BACKUP_DUPLICITY_GPG_ENC_KEY"
fi
starttime=$SECONDS
# ensure we have enough space to unpack the backups (they are 100M, but need up to 1G to unpack!)
if is_true "$BACKUP_DUPLICITY_TEMP_RAMDISK" ; then
mkdir -p /mnt/tmp
mount -t tmpfs none /mnt/tmp -o size=100%
DUPLICITY_TEMPDIR=/mnt/tmp
else
DUPLICITY_TEMPDIR="$( mktemp -d -p $TARGET_FS_ROOT rear-duplicity.XXXXXXXXXXXXXXX || Error 'Could not create Temporary Directory for Duplicity' )"
fi
# Duplicity also saves some big files in $HOME
HOME_TMP="$HOME"
HOME="$DUPLICITY_TEMPDIR"
LogPrint "Logging to $TMP_DIR/duplicity-restore.log"
if [[ -n "${BACKUP_DUPLICITY_GPG_OPTIONS}" ]] ; then
LogPrint "with CMD: $DUPLICITY_PROG -v 5 ${BACKUP_DUPLICITY_OPTIONS} $GPG_KEY --gpg-options ${BACKUP_DUPLICITY_GPG_OPTIONS} --force --tempdir=$DUPLICITY_TEMPDIR $BACKUP_DUPLICITY_URL/$HOSTNAME/ $TARGET_FS_ROOT"
$DUPLICITY_PROG -v 5 ${BACKUP_DUPLICITY_OPTIONS} $GPG_KEY --gpg-options "${BACKUP_DUPLICITY_GPG_OPTIONS}" --force --tempdir="$DUPLICITY_TEMPDIR" $BACKUP_DUPLICITY_URL/$HOSTNAME/ $TARGET_FS_ROOT 0<&6 | tee $TMP_DIR/duplicity-restore.log
else
LogPrint "with CMD: $DUPLICITY_PROG -v 5 ${BACKUP_DUPLICITY_OPTIONS} $GPG_KEY --force --tempdir=$DUPLICITY_TEMPDIR $BACKUP_DUPLICITY_URL/$HOSTNAME/ $TARGET_FS_ROOT"
$DUPLICITY_PROG -v 5 ${BACKUP_DUPLICITY_OPTIONS} $GPG_KEY --force --tempdir="$DUPLICITY_TEMPDIR" $BACKUP_DUPLICITY_URL/$HOSTNAME/ $TARGET_FS_ROOT 0<&6 | tee $TMP_DIR/duplicity-restore.log
fi
# FIXME: this collects the exit code from "tee", not from $DUPLICITY_PROG
backup_prog_rc=$?
transfertime="$((SECONDS-$starttime))"
sleep 1
if [[ -d "$DUPLICITY_TEMPDIR" ]] ; then
rm -rf "$DUPLICITY_TEMPDIR" || LogPrint "Could not remove Temporary Directory for Duplicity: $DUPLICITY_TEMPDIR"
fi
HOME="$HOME_TMP"
#LogPrint "starttime = $starttime"
#LogPrint "transfertime = $transfertime"
LogPrint "========================================================================"
if [ "$backup_prog_rc" -gt 0 ]; then
LogPrint "WARNING !
There was an error while restoring the archive.
Please check '$RUNTIME_LOGFILE' and $TMP_DIR/duplicity-restore.log for more information.
You should also manually check the restored system to see whether it is complete.
"
restore_log_message="$(tail -14 ${TMP_DIR}/duplicity-restore.log)"
LogPrint "Last 14 Lines of ${TMP_DIR}/duplicity-restore.log:"
LogPrint "$restore_log_message"
fi
if [ $backup_prog_rc -eq 0 ] ; then
LogPrint "Restore completed in $transfertime seconds."
fi
LogPrint "========================================================================"
# If /tmp was excluded we better check it exists on the $TARGET_FS_ROOT directory
if [[ ! -d "$TARGET_FS_ROOT/tmp" ]] ; then
mkdir -m 1777 "$TARGET_FS_ROOT/tmp"
chown root:root "$TARGET_FS_ROOT/tmp"
fi
# Save the logfile to the recoverd filesystem for further checking
LogPrint "Transferring Logfile $TMP_DIR/duplicity-restore.log to $TARGET_FS_ROOT/tmp/"
cp -v $TMP_DIR/duplicity-restore.log $TARGET_FS_ROOT/tmp/
fi