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#! /bin/sh
# This file is part of BEAM
# Copyright (C) 2012-2014 Sergey Poznyakoff
#
# BEAM 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, or (at your option)
# any later version.
#
# BEAM 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 BEAM. If not, see <http://www.gnu.org/licenses/>.
# Configuration keywords:
#
# item_type=ldap [mandatory]
# item_database_directory=string [mandatory]
# item_database_number=n [optional *]
# item_database_suffix=suf [optional *]
# item_uri=str [optional]
# item_user=name [optional]
# item_slapcat_options=string [optional internal]
# item_slapadd_options=string [optional internal]
#
# * - mutually exclusive keywords.
# ldap_check item
ldap_check() {
local rc=0 dbno dbsuf dbdir
eval dbno=\$${1}_database_number \
dbsuf=\$${1}_database_suffix \
dbdir=\$${1}_database_directory
if test -n "$dbno" && test -n "$dbsuf"; then
error "$1: both ${1}_database_number and ${1}_database_suffix are set"
rc=1
fi
if test -z "$dbdir"; then
error "${1}_database_directory not configured"
rc=1
fi
if ! test -d "$dbdir"; then
error "LDAP database directory $dbdir does not exist"
error "(set by ${1}_database_directory)"
fi
return $rc
}
# ldap_list item prefix
ldap_list() {
local dbid
eval dbid=\$${1}_database_number
if [ -n "$dbid" ]; then
dbid=" number $dbid"
else
eval dbid=\$${1}_database_suffix
if [ -n "$dbid" ]; then
dbid=" suffixed with $dbid"
fi
fi
echo "${2}LDAP database"$dbid
}
# ldap_backup item
ldap_backup() {
local options dbno dbsuf uri
logit "backing up LDAP database $1"
eval options=\$${1}_slapcat_options \
dbno=\$${1}_database_number \
dbsuf=\$${1}_database_suffix
if [ -n "$dbno" ]; then
options="$options -n$dbnum"
elif [ -n "$dbsuf" ]; then
options="$options -b$slapcat"
fi
eval uri=\"\$${1}_uri\"
if [ -n "$uri" ]; then
options="$options -H\"$uri\""
fi
if [ -z "$dry_run" ]; then
slapcat $options > $backup_snapshot_dir/$1-$week-$round-$level
else
echo "slapcat $options > $backup_snapshot_dir/$1-$week-$round-$level"
fi
if [ $? -ne 0 ]; then
tarerror=$((tarerror + 1))
logit "failed"
else
logit "creating $1-$week-$round-$level.$tar_suffix"
$dry_run tar $verbose $taroptions \
-f $backup_archive_dir/$1-$week-$round-$level.$tar_suffix \
-C $backup_snapshot_dir $1-$week-$round-$level
tarcode $?
$dry_run rm $backup_snapshot_dir/$1-$week-$round-$level
fi
}
# ldap_restore item
ldap_restore() {
local options dbno dbsuf dbdir u user
logit "extracting LDAP database dump $1"
eval options=\$${1}_slapadd_options dbno=\$${1}_database_number \
dbsuf=\$${1}_database_suffix dbdir=\$${1}_database_directory \
user=\$${1}_user
if test -z "$dbdir"; then
error "${1}_database_directory not configured"
tarerror=$((tarerror + 1))
return
fi
if [ -n "$dbno" ]; then
options="$options -n$dbnum"
elif [ -n "$dbsuf" ]; then
options="$options -b$slapcat"
fi
u=$(umask)
trap "umask $u" 1 2 3 13 15
umask 077
$dry_run tar $verbose $taroptions \
-f $backup_archive_dir/$1-$week-$round-$level.$tar_suffix
e=$?
tarcode $e
if [ $e -eq 0 ]; then
prevdbtar=$backup_snapshot_dir/ldap-$1-$(date +%Y%m%dT%H%M%S).tar
logit "archiving the previous database contents to $prevdbtar"
$dry_run tar $verbose -c -f $prevdbtar $dbdir
e=$?
tarcode $e
umask $u
if [ $e -ne 0 ]; then
error "Failed to backup the prior database contents to $prevdbtar"
return
fi
logit "removing old database files in $dbdir"
$dry_run rm $dbdir/*
logit "restoring database $1 from the dump"
if test -n "$user"; then
su $user -c "$dry_run slapadd $options $verbose -l $1-$week-$round-$level"
su $user -c "$dry_run slapindex"
else
$dry_run slapadd $options $verbose -l $1-$week-$round-$level
$dry_run slapindex
fi
# FIXME: error checking
$dry_run rm $1-$week-$round-$level
fi
umask $u
trap - 1 2 3 13 15
}
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