source4/scripting/bin/samba_backup

   1 #!/bin/sh
   2 #
   3 # Copyright (C) Matthieu Patou <mat@matws.net> 2010-2011
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18
  19 FROMWHERE=/usr/local/samba
  20 WHERE=/usr/local/backups
  21 if [ -n "$1" ] && [ "$1" = "-h" -o "$1" = "--usage" ]; then
  22         echo "samba_backup [provisiondir] [destinationdir]"
  23         echo "Will backup your provision located in provisiondir to archive stored in destinationdir"
  24         echo "Default provisiondir: $FROMWHERE"
  25         echo "Default destinationdir: $WHERE"
  26         exit 0
  27 fi
  28
  29 [ -n "$1" -a -d "$1" ]&&FROMWHERE=$1
  30 [ -n "$2" -a -d "$2" ]&&WHERE=$2
  31
  32 DIRS="private etc sysvol"
  33 #Number of days to keep the backup
  34 DAYS=90
  35 WHEN=`date +%d%m%y`
  36
  37 if [ ! -d $WHERE ]; then
  38         echo "Missing backup directorty $WHERE"
  39         exit 1
  40 fi
  41
  42 if [ ! -d $FROMWHERE ]; then
  43         echo "Missing or wrong provision directorty $FROMWHERE"
  44         exit 1
  45 fi
  46
  47 cd $FROMWHERE
  48 for d in $DIRS;do
  49         relativedirname=`find . -type d -name "$d" -prune`
  50         n=`echo $d | sed 's/\//_/g'`
  51         if [ "$d" = "private" ]; then
  52                 find $relativedirname -name "*.ldb.bak" -exec rm {} \;
  53                 for ldb in `find $relativedirname -name "*.ldb"`; do
  54                         tdbbackup $ldb
  55                         if [ $? -ne 0 ]; then
  56                                 echo "Error while backuping $ldb"
  57                                 exit 1
  58                         fi
  59                 done
  60                 tar cjf ${WHERE}/samba4_${n}.${WHEN}.tar.bz2  $relativedirname --exclude=*.ldb >/dev/null 2>&1
  61                 if [ $? -ne 0 ]; then
  62                         echo "Error while archiving ${WHERE}/samba4_${n}.${WHEN}.tar.bz2"
  63                         exit 1
  64                 fi
  65                 find $relativedirname -name "*.ldb.bak" -exec rm {} \;
  66         else
  67                 tar cjf ${WHERE}/${n}.${WHEN}.tar.bz2  $relativedirname >/dev/null 2>&1
  68                 if [ $? -ne 0 ]; then
  69                         echo "Error while archiving ${WHERE}/${n}.${WHEN}.tar.bz2"
  70                         exit 1
  71                 fi
  72         fi
  73 done
  74
  75 find $WHERE -name "samba4_*bz2" -mtime +90 -exec rm  {} \; >/dev/null 2>&1