scriptsdir=$(dirname $0)
-export PATH=$scriptsdir:$PATH
+export PATH=$scriptsdir:/bin:/usr/bin:/sbin:/usr/sbin
+
+# source the default configuration
+. config.sh
+
+# source the system specific configuration
+[ -f /etc/lsbackups.conf ] && . /etc/lsbackups.conf
+
+simulate=
+# process command line arguments
+case "$1" in
+ -s) simulate=1;;
+esac
# file locations and other values
today=$(date +%Y%m%d%H%M%S)
-mailto='carl@ecbaldwin.net'
-datadir="/var/lib/backups"
-backupdirs="/home /etc /var/backups /var/lib/debfoster /var/lib/mailman /var/lib/iptables /var/lib/ip6tables /var/lib/dpkg"
-tmpdir="/dev/shm/backups"
-currentfiles="$tmpdir/files.db"
-backupdb="$datadir/backups.db"
-backups="$tmpdir/backup-list.db"
-statusfile="$tmpdir/backup-status.txt"
-imagedir="/backup/imgs"
-isoimage="$imagedir/$today.img"
+isoimage="$imagedir/$today.iso"
isomountdir="$isoimage.mnt"
restorescript="$scriptsdir/restore.sh"
-echo "Creating directories"
+echo "-> Creating directories"
mkdir --mode=700 -p $datadir $imagedir $isomountdir $tmpdir
+if [ $? != 0 ]; then
+ test -d $isomountdir && rm -rf $isomountdir
+ err "Unable to create the following directories:
+ $datadir $imagedir $isomountdir $tmpdir"
+fi
+
+echo "-> Creating the iso image in $isoimage"
+dd of=$isoimage bs=1M count=0 seek=$imagesizemb
-echo "Creating the iso image in $isoimage"
-dd if=/dev/null of=$isoimage bs=1M count=0 seek=4440
-mke2fs -b 2048 -F $isoimage
+[ $? != 0 ] && err "dd failed to create $isoimage"
-echo "Mounting the iso image"
+mke2fs -b $blocksize -F $isoimage
+if [ $? != 0 ]; then
+ rm -rf $isomountdir $isoimage
+ err "Unable to create the iso image: $isoimage"
+fi
+
+e2label $isoimage $today
+if [ $? != 0 ]; then
+ rm -rf $isomountdir $isoimage
+ err "Unable to label the iso image: $isoimage"
+fi
+
+echo "-> Mounting the iso image"
mount -t ext2 -o loop $isoimage $isomountdir
+if [ $? != 0 ]; then
+ rm -rf $isomountdir $isoimage
+ err "Unable to mount the iso image: $isoimage -> $isomountdir"
+fi
+
+echo "-> Directories being backedup and excluded:"
+echo "backupdirs: $backupdirs"
+echo "excludedirs: $excludedirs"
-echo "Running find to get the status of files"
+echo "-> Running find to get the status of files"
{
for type in d f l; do
findformat="$type %#m %u %g %s %CY%Cm%Cd%CH%CM%CS 0 %p\0"
- find $backupdirs -type $type -printf "$findformat"
+ if [ -z "$excludedirs" ]; then
+ find $backupdirs -type $type -printf "$findformat"
+ else
+ echo $excludedirs | sed -e 's/ /\n/g' > $tmpdir/excluded
+ find $backupdirs -type $type -printf "$findformat" | grep -z -v -f $tmpdir/excluded
+ fi
done
} > $currentfiles
-echo "Determining list of files to backup with lsbackups"
+if [ -n $simulate ]; then
+ backupdbin=$backupdbout
+fi
+
+echo "-> Determining list of files to backup with lsbackups"
{
# lsbackups expects the current date followed by a null before the list of files
printf "$today\0"
cat $currentfiles
} | lsbackups > $backups 2>$statusfile
-echo "Running rsync to pack the image"
-rsyncopts="-l -p -t -g -o -0 --files-from=- --stats --progress"
+if [ -n $simulate ]; then
+ umount $isomountdir
+ rm -rf $isomountdir $isoimage
+ cat $statusfile
+ echo "-> Simulated backup complete! Backup database: $backupdbout"
+ exit;
+fi
+
+echo "-> Running rsync to pack the image"
+rsyncopts="-W -H -S -l -p -t -g -o -0 --files-from=- --stats --progress"
cat $backups | rsync $rsyncopts / $isomountdir
+if [ $? != 0 ]; then
+ umount $isomountdir
+ rm -rf $isomountdir $isoimage $backupdbout
+ err "Unable to rsync to pack the image"
+fi
+
+echo "-> Copying over database and status file"
+cp $backupdbout $isomountdir/$(basename $backupdbin)
+[ $? != 0 ] && err "Unable to copy the database to $isomountdir"
-echo "Copying over database and status file"
-cp $statusfile $backupdb $restorescript $isomountdir
+cp $statusfile $restorescript $isomountdir
+[ $? != 0 ] && err "Unable to copy the status file to $isomountdir"
-echo "Unmounting image"
+echo "-> Unmounting image"
umount $isomountdir
-echo "Calculating md5sum for image"
+[ $? != 0 ] && err "Unable to unmount the iso dir: $isomountdir"
+
+echo "-> Calculating md5sum for image"
md5sum $isoimage | awk '{print$1}' > $isoimage.md5sum
-exit 0
-
-# Burn the iso image
-echo "Burn the image to a DVD"
-if cdrecord-wrapper.sh -dao speed=8 dev=ATA:1,0,0 $isoimage; then
- md5sum_file=$(tempfile)
- dd if=/dev/hdc bs=1M count=4440 | md5sum | awk '{print$1}' > $md5sum_file
- if ! cmp $md5sum_file $isoimage.md5sum; then
- echo "Failed" | mailx -s "DVD md5sum doesn't match image file!!!" $mailto
- exit 1
- fi
-else
- echo "Failed" | mailx -s "DVD burning failed!!!" $mailto
- exit 1
-fi
+[ $? != 0 ] && err "Unable to calculate the md5sum for this image: $isoimage"
+
+cat $statusfile | mailx -s "DVD image available to burn - $today" $mailto
+
+echo $today > $lastbackupfile
+
+echo "-> Moving new database to $backupdbin"
+mv $backupdbout $backupdbin
+[ $? != 0 ] && err "Unable to move backupdb: $backupdbout to $backupdbin"
-# Email me
-cat $statusfile | mailx -s "DVD burned. File it as $today" $mailto
projects / backups / .git / blobdiff