-#!/bin/bash
+#!/bin/sh
#dirs
confdir=/home/backup/conf/ #configuration files
umask 027
# The computers we want to back up
-unixcomputers=`cat $confdir/computers.unix`
+unixcomputers=`cat $confdir/computers.unix \
+ | grep -v "^#" \
+ | grep -v "^$" `
+
+
+if [ $1 ] ; then
+ unixcomputers=$1
+fi;
###
#disse bør kunne varieres fra fs til fs?
-maksantallfulle=2 #hvor mange fulle vi tar vare på
+maksantallfulle=3 #hvor mange fulle vi tar vare på
dagermellomfulle=30 #antall dager før det er på tide med ny full
logw=40
###
exf=`ssh $computer "ls ~/.backup/exclude"`
#We try to run tar on the remote computer
- if `ssh $computer "cd $filesystem ;\
- $tar cfl - . $lastcmd \
+ # C is instead of 'cd $filesystem'
+ # - is 'this directory'
+ # l is 'stay in local filesystem
+ echo "cmdline: $tar --one-file-system -cfC - $filesystem . $lastcmd --exclude-from=$exf | gzip"
+ if `ssh -c blowfish $computer "$tar --one-file-system -cfC - $filesystem . $lastcmd \
--exclude-from=$exf \
| gzip" \
| dd of=$DATE.tmp 2>/dev/null`
#it did not work
rm $DATE.tmp 2>/dev/null
echo "$backuplevel backup of $computer:$filesystem failed and deleted"
+ # TODO send mail!
fi
}
#Løper gjennom listen av unixmaskiner som vi skal ta backup av
for computer in $unixcomputers
do
+(
+
+ # Try to SSH to the computer without entering a password.
+ if `ssh -n -o NumberOfPasswordPrompts=0 $computer /bin/true`; then
+ echo "Passwordless SSH to $computer works."
+ else
+ echo "Could not use passwordless SSH to $computer. Exiting."
+ exit 1;
+ fi
#tømmer variabelen for sikkerhets skyld
filesystems=""
#Sjekker nest siste felt i fstab. Om det er 0 tar vi ikke backup
filesystems=`ssh -n $computer "cat /etc/fstab" \
| grep -v nfs \
- | grep -v ^# \
+ | grep -v "^#" \
+ | grep -v "^$" \
| awk '{ if ( $(NF-1) != "0" ) print $2}' `
#clean up our dir at this client
#sjekker om det er på tide med en full
if
- [ -z `find $storagedir/$computer/$sfilesystem/full/ -name \*tgz -mtime -$dagermellomfulle` ]
+ [ -z "`find $storagedir/$computer/$sfilesystem/full/ -name \*tgz -mtime -$dagermellomfulle`" ]
then
backuplevel=full
fi
- #gå ned i rett katalog
- cd $storagedir/$computer/$sfilesystem/$backuplevel
+ #gå ned i rett katalog, eller dø
+ # TODO bør sende mail om dette skjer!
+ cd $storagedir/$computer/$sfilesystem/$backuplevel || exit 1
#perform the actual backup
backup
+ # Sjekk om det skal være et annet antall fulle backuper av en boks
+ if [ -f $confdir/maksfulle.$computer ] ; then
+ mf=$((`cat $confdir/maksfulle.$computer`+1))
+ else
+ mf=$(($maksantallfulle+1))
+ fi
+
#delete complete backups
- mf=$(($maksantallfulle+1))
for full in `ls -1t $storagedir/$computer/$sfilesystem/full/*tgz | tail +$mf`
do
- prefix=`echo $full|cut -d . -f 1`
+ prefix=`echo $full | sed "s/\.[^.]*$//"`
echo "$computer:$filesystem sletter full $prefix (for mange)"
rm $prefix*
done
-type f \
\! -newer $oldf \
-exec rm {} \;
- #denne funker bare med gnu find
- #-printf "$computer:$filesystem sletter daglig %f (for gammel)\n" \
-
+# #denne funker bare med gnu find
+# #-printf "$computer:$filesystem sletter daglig %f (for gammel)\n"
done
#try to run postexec if it exist
ssh $computer "[ -f ~/.backup/postexec ] && /bin/bash -x ~/.backup/postexec"
-done
+)
+done &
+
+wait
#create report
-/home/backup/report.sh $storagedir > /tmp/report.txt
+# (Hasn't been working for years -berge)
+#/home/backup/report.sh $storagedir > /tmp/report.txt
#[ ! -z $remotestat ] && scp /tmp/report.txt $remotestat
###
+# print diskusage to logfile
+df -k
+
date