#dirs
confdir=/home/backup/conf/ #configuration files
-webdir=/home/backup/public_html #web-pages
storagedir=/backup #mountpoint of huge disc
###
###
#disse bør kunne varieres fra fs til fs?
-#disse bør flyttes ut i egen fil som kan editeres fra web kanskje?
maksantallfulle=2 #hvor mange fulle vi tar vare på
dagermellomfulle=30 #antall dager før det er på tide med ny full
logw=40
if [ "$backuplevel" = "daglig" ] || [ "$backuplevel" = "incremental" ]
then
- forrige=`cat ../.date`
- forrigecmd="--newer=\"$forrige\""
+ lastd=`cat ../.date`
+ lastcmd="--newer=\"$lastd\""
else
- forrigecmd=""
+ lastcmd=""
fi
- #Prøver å ta backup med tar
+ #if this client has a special tar
+ $tar=${TAR:-tar}
+ unset TAR
+
+ #We try to run tar on the remote computer
+ #need to specify a special tar on some clients. how?
if `ssh $computer "cd $filesystem ;\
- tar cfl - . $forrigecmd \
+ $tar cfl - . $lastcmd \
--exclude-from=/tmp/.backup/exclude \
| gzip" \
| dd of=$DATE.tmp 2>/dev/null`
then
#perhaps it did work
mv $DATE.tmp $DATE.tgz
- #make a filelist and update the datefile
+ #make a filelist.
+ #update the datefile if the filelist is ok.
tar tvfz $DATE.tgz > $DATE.idx 2>&1 &&
echo $DATEs > ../.date &&
touch -t $DATE ../.date
grep -v ^d $DATE.idx | sort -n -r +2 > $DATE.sdx
#fix perm
- chmod 600 *tgz
- chmod 644 *sdx *idx 2>/dev/null
+ chmod 600 *tgz #only for us
+ chmod 644 *sdx *idx 2>/dev/null #everyone can read
else
#it did not work
#try to copy $exclude to $computer
scp $exclude $computer:/tmp/.backup/exclude ||
- echo "Vi klarte ikke kopiere over exclude.txt til $computer :("
+ echo "could not copy exclude.txt to $computer :("
#try to copy preeexec and postexec if they exist
[ -f $confdir/preexec.$computer ] &&
scp $confdir/postexec.$computer $computer:/tmp/.backup/postexec
#try to run preexec if it exist
- ssh $computer "[ -f /tmp/.backup/preexec ] &&
- /bin/bash -x /tmp/.backup/preexec"
+ ssh $computer "[ -f /tmp/.backup/preexec ] && /bin/bash -x /tmp/.backup/preexec"
for filesystem in $filesystems
do
done
#try to run postexec if it exist
- ssh $computer "[ -f /tmp/.backup/postexec ] &&
- /bin/bash -x /tmp/.backup/postexec"
+ ssh $computer "[ -f /tmp/.backup/postexec ] && /bin/bash -x /tmp/.backup/postexec"
done