X-Git-Url: http://git.pippins.net/embedvideo/.git/static/gitweb.js?a=blobdiff_plain;f=scripts%2Fburn-imgs.sh;h=f4b864976241059ff9a4e42022a651537ec0426b;hb=4affe710e9e3a4ea439ead2ad604a3450451200b;hp=a6a5ba9db6ad6fce932bcaa47e0cd3982aa8b750;hpb=f7eab4ae4b364489a6b985c5a1605846a23f4cf1;p=backups%2F.git diff --git a/scripts/burn-imgs.sh b/scripts/burn-imgs.sh index a6a5ba9..f4b8649 100755 --- a/scripts/burn-imgs.sh +++ b/scripts/burn-imgs.sh @@ -1,43 +1,65 @@ #!/bin/sh -PATH=/bin:/usr/bin +export PATH=$(dirname $0):/bin:/usr/bin:/sbin -mailto=carl@ecbaldwin.net -dev="/dev/hdc" -sdev="ATA:1,0,0" -imagedir="/backup/imgs" +# source the default configuration +. config.sh -# Discover disk images by looking for .img.md5sum files in $imagedir -imgmd5=$(ls $imagedir/*.img.md5sum | head -n 1) +# source the system specific configuration +[ -f /etc/lsbackups.conf ] && . /etc/lsbackups.conf -logfile=$(tempfile) +# 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 $$ + # Burn the image to a disk. -cdrecord-wrapper.sh -dao dev=$sdev $isoimage > $logfile 2>&1 +cdrecord-wrapper.sh $cdrecordopts dev=$sdev $img > $logfile 2>&1 -if [ 0 != "$?" ]; then +if [ "0" != "$?" ]; then echo >&2 "cdrecord failed!" + $cronstopstart start + cat $logfile | grep -v -e '[ ]' | mailx -s "backups: failed to burn $img!!!" $mailto exit 1 fi +# We don't need to be high-priority anymore. +renice 0 $$ +$cronstopstart start + +# I don't know if this *really* helps but give cdrecord a chance to clean up. +sleep 60 + # Now verify the disk by running md5sum on the entire contents of the disk md5sum=$(tempfile) -dd if=$dev bs=1M count=4440 2>$logfile | md5sum | awk '{print$1}' > $md5sum +dd if=$dev bs=1M count=$imagesizemb 2>>$logfile | md5sum | awk '{print$1}' > $md5sum # Check that the md5sums match -if ! cmp $md5sum $isoimage.md5sum; then - echo "Failed" | mailx -s "DVD md5sum doesn't match image file!!!" $mailto +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 -e '[ ]' | mailx -s "DVD md5sum doesn't match image file!!!" $mailto exit 1 fi @@ -49,13 +71,15 @@ date >> $img.stat cat $img.md5sum echo echo "md5sum of burned disks:" + cat $md5sum + echo cat $img.stat echo cat $logfile -} | mailx -s "DVD burned. File it as ${img%.*}" $mailto > $logfile 2>&1 +} | grep -v -e '[ ]' | 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 $img.stat 2>/dev/null)" == "2" ]; then +if [ "$(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