[Samba] samba4 backup script
NOC
noc at nieuwland.nl
Mon Apr 22 06:47:18 MDT 2013
Hi list
I recently encountered errors while trying to backup the samba4 AD.
Apparently tar had some problems with sockets in the samba4 directory.
I modified the samba4 backup script, perhaps this or a similar change is
good to include upstream?
Cheers
Simon Oosthoek
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#!/bin/sh
#####################################################
# THIS FILE IS DISTRIBUTED BY PUPPET #
#####################################################
#
# Copyright (C) Matthieu Patou <mat at matws.net> 2010-2011
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
FROMWHERE=/var/lib/samba4/
WHERE=/var/backup/samba4/
if [ -n "$1" ] && [ "$1" = "-h" -o "$1" = "--usage" ]; then
echo "samba_backup [provisiondir] [destinationdir]"
echo "Will backup your provision located in provisiondir to archive stored in destinationdir"
echo "Default provisiondir: $FROMWHERE"
echo "Default destinationdir: $WHERE"
exit 0
fi
[ -n "$1" -a -d "$1" ]&&FROMWHERE=$1
[ -n "$2" -a -d "$2" ]&&WHERE=$2
DIRS="private sysvol"
#Number of days to keep the backup
DAYS=90
WHEN=$(date +%d%m%y)
if [ ! -d $WHERE ]; then
echo "Missing backup directory $WHERE"
exit 1
fi
if [ ! -d $FROMWHERE ]; then
echo "Missing or wrong provision directory $FROMWHERE"
exit 1
fi
cd $FROMWHERE
for d in $DIRS;do
relativedirname=$(find . -type d -name "$d" -prune)
n=$(echo $d | sed 's,/,_,g')
if [ "$d" = "private" ]; then
find $relativedirname -name "*.ldb.bak" -exec rm {} \;
for ldb in $(find $relativedirname -name "*.ldb"); do
if tdbbackup $ldb
then :
else
echo "Error while backuping $ldb"
exit 1
fi
done
find "$relativedirname" -type f -o -type d |grep -v '\.ldb$' |cpio --quiet -o --format=tar |bzip2 >"$WHERE/samba4_${n}.$WHEN.tar.bz2"
if [ ! -f "$WHERE/samba4_${n}.$WHEN.tar.bz2" ] || [ $(stat -c "%s" "$WHERE/samba4_${n}.$WHEN.tar.bz2") -eq 0 ]; then
echo "Error while archiving ${WHERE}/samba4_${n}.${WHEN}.tar.bz2"
exit 1
fi
find $relativedirname -name "*.ldb.bak" -exec rm {} \;
else
find "$relativedirname" -type f -o -type d |cpio --quiet -o --format=tar |bzip2 >"$WHERE/${n}.$WHEN.tar.bz2"
if [ ! -f "$WHERE/${n}.$WHEN.tar.bz2" ] || [ $(stat -c "%s" "$WHERE/${n}.$WHEN.tar.bz2") -eq 0 ]; then
echo "Error while archiving ${WHERE}/${n}.${WHEN}.tar.bz2"
exit 1
fi
fi
done
find $WHERE -name "samba4_*bz2" -mtime +$DAYS -exec rm {} \; >/dev/null 2>&1
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