X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=scripts%2Fburn-imgs.sh;h=da5b11b911591dc15f2239bf663a8b5ae7dd96aa;hb=37b254a96adef5e0b35c1356e91a8376b1aee73a;hp=1f38f7c05982875ef914a6edeaf1ccec4af46837;hpb=22a92db58dcdc81dd77c93d27dee491c3c15c87a;p=backups%2F.git diff --git a/scripts/burn-imgs.sh b/scripts/burn-imgs.sh index 1f38f7c..da5b11b 100755 --- a/scripts/burn-imgs.sh +++ b/scripts/burn-imgs.sh @@ -1,31 +1,86 @@ #!/bin/sh -mailto=carl@ecbaldwin.net -dev="/dev/hdc" -sdev="ATA:1,0,0" -imagedir="/backup/imgs" - -img=$(ls $imagedir | head -n 1) -echo $img - -if [ -n "$img" ]; then - if cdrecord-wrapper.sh -dao speed=8 dev=$sdev $isoimage; then - md5sum=$(tempfile) - dd if=$dev bs=1M count=4440 | md5sum | awk '{print$1}' > $md5sum - if ! cmp $md5sum $isoimage.md5sum; then - echo "Failed" | mailx -s "DVD md5sum doesn't match image file!!!" $mailto - exit 1 - else - echo $md5sum >> $img.stat - fi - else - echo "Failed" | mailx -s "DVD burning failed!!!" $mailto - exit 1 - fi - - if [ "$(wc -l $img.stat 2>/dev/null)" == "2" ]; then - echo "Burned the image twice. Removing it!" - rm -f $img{,.md5sum,.stat} - rmdir $img.mnt - fi +export PATH=$(dirname $0):/bin:/usr/bin:/sbin + +# source the default configuration +. config.sh + +# source the system specific configuration +[ -f /etc/lsbackups.conf ] && . /etc/lsbackups.conf + +# If the noburn file is there then don't burn. +[ -f "$noburnfile" ] && exit 0 + +# Discover disk images by looking for .iso.md5sum files in $imagedir +imgmd5=$(ls $imagedir/*.iso.md5sum 2>/dev/null | head -n 1) + +# If we didn't find an non-empty file then exit gracefully +[ -z "$imgmd5" ] && exit 0 +[ -s "$imgmd5" ] || exit 0 + +logfile=$(tempfile) + +# Get the name of the disk image by stripping off the tailing '.md5sum' +img=${imgmd5%.md5sum} + +touch $noburnfile + +# A little paranoia. Make sure the disk image file is there. +[ -z "$img" ] && exit 1 +[ -s "$img" ] || exit 1 + +# To avoid buffer underruns I'm going to stop cron and renice myself +$cronstopstart stop +renice -10 $$ + +# Burn the image to a disk. +cdrecord-wrapper.sh $cdrecordopts dev=$sdev $img > $logfile 2>&1 + +if [ "0" != "$?" ]; then + echo >&2 "cdrecord failed!" + $cronstopstart start + cat $logfile | grep -v "MB written" | grep -v "to quit" | mailx -s "backups: failed to burn $img!!!" $mailto + exit 1 +fi + +# We don't need to be high-priority anymore. +renice 0 $$ +$cronstopstart start + +# I don't know if this *really* helps but give cdrecord a chance to clean up. +sleep 60 + +# Now verify the disk by running md5sum on the entire contents of the disk +md5sum=$(tempfile) +dd if=$dev bs=1M count=$imagesizemb 2>>$logfile | md5sum | awk '{print$1}' > $md5sum + +# Check that the md5sums match +if ! cmp $md5sum $img.md5sum; then + echo "md5sum check FAILED" >> $logfile + echo "dd if=$dev bs=1M count=$imagesizemb 2>>$logfile | md5sum | awk '{print\$1}' > $md5sum" >> $logfile + e2label $dev >> $logfile + cat $logfile | grep -v "MB written" | grep -v "to quit" | mailx -s "DVD md5sum doesn't match image file!!!" $mailto + exit 1 +fi + +# Record the date in the stat file to indicate that this burn was a success +date >> $img.stat + +{ # Send e-mail + echo "Image md5sum:" + cat $img.md5sum + echo + echo "md5sum of burned disks:" + cat $md5sum + echo + cat $img.stat + echo + cat $logfile +} | grep -v "MB written" | grep -v "to quit" | mailx -s "DVD burned. File as $(basename ${img%.*})" $mailto > $logfile 2>&1 + +# Two lines in the stat file indicate two successful burns. Clean-up the image. +if [ "$(wc -l $img.stat 2>/dev/null | awk '{print$1}')" == "$makeXcopies" ]; then + # Burned the image twice. Removing it and associated files! + rm -f $img{,.md5sum,.stat} + [ -d $img.mnt ] && rmdir $img.mnt fi