X-Git-Url: http://git.pippins.net/embedvideo/.git/static/git-logo.png?a=blobdiff_plain;f=scripts%2Fburn-imgs.sh;h=215e8a507cb5f7f331fe9ea8a2237c8c9a729284;hb=68855587b49621cbf23afa79463a0bbc302b3a06;hp=27f7ad201b06b7d0e9b689c43fd905886d22ca13;hpb=03f192444fbb9c458170149cfd5c609c922bf65b;p=backups%2F.git diff --git a/scripts/burn-imgs.sh b/scripts/burn-imgs.sh index 27f7ad2..215e8a5 100755 --- a/scripts/burn-imgs.sh +++ b/scripts/burn-imgs.sh @@ -1,64 +1,110 @@ #!/bin/sh -PATH=$(dirname $0):/bin:/usr/bin +export PATH=$(dirname $0):/bin:/usr/bin:/sbin +# source the default configuration . config.sh -# Discover disk images by looking for .img.md5sum files in $imagedir -imgmd5=$(ls $imagedir/*.img.md5sum | head -n 1) - -logfile=$(tempfile) +# source the system specific configuration +[ -f /etc/lsbackups.conf ] && . /etc/lsbackups.conf # If the noburn file is there then don't burn. -[ -f "$burnlockfile" ] && exit 0 +[ -f "$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 + +# Now check to see if we need to cache the image to a local drive before burning the image +if [[ $cacheburnimg == 1 && -d $cacheburnimgdir ]]; then + rsync -av --exclude '*.mnt' $img* $cacheburnimgdir >> $logfile 2>&1 + if [ $? != 0 ]; then + sleep 60 + rsync -aIv --exclude '*.mnt' $img* $cacheburnimgdir >> $logfile 2>&1 + if [ $? != 0 ]; then + cat $logfile | mailx -s "backups: failed to cache $img to local dir $cacheburnimgdir !!!" $mailto + exit 1 + fi + fi + img=$cacheburnimgdir/$(basename "$img") +fi + # 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 $$ + # Burn the image to a disk. -cdrecord-wrapper.sh -dao dev=$sdev $isoimage > $logfile 2>&1 +$cdrecord $cdrecordopts dev=$sdev $img >> $logfile 2>&1 -if [ 0 != "$?" ]; then +if [ "0" != "$?" ]; then echo >&2 "cdrecord failed!" + $cronstopstart start + cat $logfile | grep -v -e '[ ]' | mailx -s "backups: failed to burn $img!!!" $mailto exit 1 fi +# We don't need to be high-priority anymore. +renice 0 $$ +$cronstopstart start + +# I don't know if this *really* helps but give cdrecord a chance to clean up. +sleep 60 + # Now verify the disk by running md5sum on the entire contents of the disk md5sum=$(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 2>&1 + cat $logfile | grep -v -e '[ ]' | 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 -touch $burnlockfile +# Update the source file stat file if we burned a cached copy of the image +[[ $cacheburnimg == 1 && -d $cacheburnimgdir ]] && date >> ${imgmd5%.md5sum}.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 -} | 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 $img.stat 2>/dev/null)" == "2" ]; then - # Burned the image twice. Removing it and associated files! +if [ "$(wc -l $img.stat 2>/dev/null | awk '{print$1}')" == "$makeXcopies" ]; then + # Burned the image $makeXcopies number of times. Removing it and associated files! + if [[ $cacheburnimg == 1 && -d $cacheburnimgdir ]]; then + # Remove our cached copy of the image, its md5sum, and stat file + rm -f $img{,.md5sum,.stat} + # Now restore our $img variable to point back to the original source file + img=${imgmd5%.md5sum} + fi rm -f $img{,.md5sum,.stat} [ -d $img.mnt ] && rmdir $img.mnt fi +