Rename drive.sh to pack-image.sh

[backups/.git] / scripts / pack-image.sh

diff --git a/scripts/pack-image.sh b/scripts/pack-image.sh
new file mode 100755 (executable)
index 0000000..92afa19
--- /dev/null
+++ b/scripts/pack-image.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+scriptsdir=$(dirname $0)
+
+export PATH=$scriptsdir:$PATH
+
+# file locations and other values
+today=$(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"
+isomountdir="$isoimage.mnt"
+restorescript="$scriptsdir/restore.sh"
+
+echo "Creating directories"
+mkdir --mode=700 -p $datadir $imagedir $isomountdir $tmpdir
+
+echo "Creating the iso image in $isoimage"
+dd if=/dev/null of=$isoimage bs=1M count=0 seek=4440
+mke2fs -b 2048 -F $isoimage
+
+echo "Mounting the iso image"
+mount -t ext2 -o loop $isoimage $isomountdir
+
+echo "Running find to get the status of files"
+{
+  for type in d f l; do
+    findformat="$type %#m %u %g %s %CY%Cm%Cd%CH%CM%CS 0 %p\0"
+    find $backupdirs -type $type -printf "$findformat"
+  done
+} > $currentfiles
+
+echo "Determining list of files to backup with lsbackups"
+{
+  # lsbackups expects the current date followed by a null before the list of files
+  printf "$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"
+cat $backups | rsync $rsyncopts / $isomountdir
+
+echo "Copying over database and status file"
+cp $statusfile $backupdb $restorescript $isomountdir
+
+echo "Unmounting image"
+umount $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
+
+# Email me
+cat $statusfile | mailx -s "DVD burned.  File it as $today" $mailto