4 confdir=/home/backup/conf/ #configuration files
5 webdir=/home/backup/public_html #web-pages
6 storagedir=/backup #mountpoint of huge disc
10 exclude=$confdir/exclude
11 [ ! -f $exclude ] && printf "tmp\ncore\n" > $exclude
14 #syntax of remotestat:
15 #hostname:/directory/ or
16 #hostname:/directory/file
17 remotestatf=$confdir/remotestat
18 [ -f $remotestatf ] && remotestat=`cat $remotestatf`
21 PATH=/local/bin:$PATH:/store/bin
27 echo "Exclude pattern:"
34 # The computers we want to back up
35 unixcomputers=`cat $confdir/computers.unix`
36 #ntcomputers=`cat $confdir/computers.nt`
39 #disse bør kunne varieres fra fs til fs?
40 #disse bør flyttes ut i egen fil som kan editeres fra web kanskje?
41 maksantallfulle=2 #hvor mange fulle vi tar vare på
42 dagermellomfulle=30 #antall dager før det er på tide med ny full
47 DATE=`date "+%Y%m%d%H%M"` #format: touch
48 DATEs=`date "+%Y-%m-%d %H:%M"` #format: tar
52 # krever at noen variabler er satt
53 # krever at vi er i rett katalog
57 printf "%-${logw}s %s\n" "$computer:$filesystem" "$backuplevel backup"
59 if [ "$backuplevel" = "daglig" ] || [ "$backuplevel" = "incremental" ]
61 forrige=`cat ../.date`
62 forrigecmd=--newer=\"$forrige\"
67 #Prøver å ta backup med tar
68 if `ssh $computer "cd $filesystem ;\
69 tar cfl - . $forrigecmd \
70 --exclude-from=/tmp/.backup/exclude \
72 | dd of=$DATE.tmp 2>/dev/null`
75 mv $DATE.tmp $DATE.tgz
76 #make a filelist and update the datefile
77 tar tvfz $DATE.tgz > $DATE.idx 2>&1 &&
78 echo $DATEs > ../.date &&
79 touch -t $DATE ../.date
81 #make a sortet filelist
82 grep -v ^d $DATE.idx | sort -n -r +2 > $DATE.sdx
91 echo "$backuplevel backup of $computer:$filesystem failed"
96 #Løper gjennom listen av unixmaskiner som vi skal ta backup av
97 for computer in $unixcomputers
100 #tømmer variabelen for sikkerhets skyld
103 #Sjekker nest siste felt i fstab. Om det er 0 tar vi ikke backup
104 filesystems=`ssh -n $computer "cat /etc/fstab" \
107 | awk '{ if ( $(NF-1) != "0" ) print $2}' `
109 #clean up our dir at this client
110 ssh $computer "rm -rf /tmp/.backup ; mkdir -m 700 /tmp/.backup"
112 #try to copy $exclude to $computer
113 scp $exclude $computer:/tmp/.backup/exclude ||
114 echo "Vi klarte ikke kopiere over exclude.txt til $computer :("
116 #try to copy preeexec and postexec if they exist
117 [ -f $confdir/preexec.$computer ] &&
118 scp $confdir/preexec.$computer $computer:/tmp/.backup/preexec
119 [ -f $confdir/postexec.$computer ] &&
120 scp $confdir/postexec.$computer $computer:/tmp/.backup/postexec
122 #try to run preexec if it exist
123 ssh $computer "[ -f /tmp/.backup/preexec ] &&
124 /bin/bash -x /tmp/.backup/preexec"
126 for filesystem in $filesystems
128 #lager en variant uten tegnet "/" eller $ (gjelder NT)
129 sfilesystem=`echo $filesystem | tr '\/\$' '__'`
131 #lager det som trengs av kataloger
132 mkdir -m 755 -p $storagedir/$computer/$sfilesystem/{full,daglig} 2>/dev/null
135 echo $filesystem > $storagedir/$computer/$sfilesystem.name
136 chmod 644 $storagedir/$computer/$sfilesystem.name
138 #set default backuplevel
141 if [ ! -f $storagedir/$computer/$sfilesystem/.date ]
143 #take the first full backup of this filesystem on this computer
145 echo $DATEs > $storagedir/$computer/$sfilesystem/.date
148 #sjekker om det er på tide med en full
150 [ -z `find $storagedir/$computer/$sfilesystem/full/ -name \*tgz -mtime -$dagermellomfulle` ]
155 #gå ned i rett katalog
156 cd $storagedir/$computer/$sfilesystem/$backuplevel
158 #perform the actual backup
161 #delete complete backups
162 mf=$(($maksantallfulle+1))
163 for full in `ls -1t $storagedir/$computer/$sfilesystem/full/*tgz | tail +$mf`
165 prefix=`echo $full|cut -d . -f 1`
166 echo "$computer:$filesystem sletter full $prefix (for mange)"
170 #delete incremental backups older than the oldest complete backup
171 oldf=`ls -t1 $storagedir/$computer/$sfilesystem/full/*tgz | tail -1`
173 $storagedir/$computer/$sfilesystem/daglig \
176 #denne funker bare med gnu find
177 #-printf "$computer:$filesystem sletter daglig %f (for gammel)\n" \
181 #try to run postexec if it exist
182 ssh $computer "[ -f /tmp/.backup/postexec ] &&
183 /bin/bash -x /tmp/.backup/postexec"
188 /home/backup/report.sh $storagedir /tmp/report.txt
189 [ ! -z $remotestat ] && scp /tmp/report.txt $remotestat
192 /home/backup/indekser.sh $storagedir