backupninja/handlers/ldap

# -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*-
#
# openldap backup handler script for backupninja
#

getconf backupdir /var/backups/ldap
getconf conf /etc/ldap/slapd.conf
getconf databases all
getconf compress yes
getconf ldif yes
getconf restart no
getconf method ldapsearch
getconf passwordfile
getconf binddn
getconf ldaphost
getconf tls yes

if [ $tls = 'yes' ] 
   URLBASE="ldaps"
else
   URLBASE="ldap"
fi

status="ok"

[ -f $conf ] || fatal "slapd config file ($conf) not found"
[ -d $backupdir ] || mkdir -p $backupdir
[ -d $backupdir ] || fatal "Backup directory '$backupdir'"

dbsuffixes=(`awk 'BEGIN {OFS=":"} /[:space:]*^database[:space:]*\w*/ {db=$2}; /^[:space:]*suffix[:space:]*\w*/ {if (db=="bdb"||db=="ldbm") print db,$2}' $conf|sed -e 's/[" ]//g'`)

## LDIF DUMP

if [ "$ldif" == "yes" ]; then
   dumpdir="$backupdir"
   [ -d $dumpdir ] || mkdir -p $dumpdir
   
   if [ "$databases" == 'all' ]; then
      dbcount=`grep '^database' $conf | wc -l`
      let "dbcount = dbcount - 1"
      databases=`seq 0 $dbcount`;
   fi	
   
   for db in $databases; do
      if [ `expr index "$dbnum" "="` == "0" ]; then
			# db is a number, get the suffix.
         dbsuffix=${dbsuffixes[$db]/*:/}
      else
         dbsuffix=$db
      fi
		# some databases don't have suffix (like monitor), skip these
      if [ "$dbsuffix" == "" ]; then
         continue;
      fi
      
      if [ "$method" == "slapcat" ]; then
         if [ "$compress" == "yes" ]; then
            execstr="$SLAPCAT -f $conf -b $dbsuffix | $GZIP"
         else
            execstr="$SLAPCAT -f $conf -b $dbsuffix"
         fi
         debug "$execstr"
      else
         if [ "$compress" == "yes" ]; then
            if [ -n "$ldaphost" ]
               execstr="$LDAPSEARCH -H $URLBASE://$ldaphost -x -L -b ""$dbsuffix"" -D ""$binddn"" -y $passwordfile | $GZIP"
            else
               execstr="$LDAPSEARCH -x -L -b ""$dbsuffix"" -D ""$binddn"" -y $passwordfile | $GZIP"
            fi
         else
            if [ -n "$ldaphost" ]
               execstr="$LDAPSEARCH -H $URLBASE://$ldaphost -x -L -b ""$dbsuffix"" -D ""$binddn"" -y $passwordfile"
            else
               execstr="$LDAPSEARCH -x -L -b ""$dbsuffix"" -D ""$binddn"" -y $passwordfile"
            fi
         fi
         [ -f "$passwordfile" ] || fatal "Password file $passwordfile not found. When method is set to ldapsearch, you must also specify a password file."
         debug "$execstr"
      fi
      if [ ! $test ]; then
         if [ "$restart" == "yes" ]; then
            debug "Shutting down ldap server..."
            /etc/init.d/slapd stop
         fi
         
         touch $dumpdir/$dbsuffix.ldif
         if [ ! -f $dumpdir/$dbsuffix.ldif ]; then
            fatal "Couldn't create ldif dump file: $dumpdir/$dbsuffix.ldif"
         fi
         
         if [ "$compress" == "yes" ]; then
            output=`$execstr > $dumpdir/$dbsuffix.ldif.gz`
         else
            output=`$execstr > $dumpdir/$dbsuffix.ldif`
         fi
         code=$?
         if [ "$code" == "0" ]; then
            debug $output
            info "Successfully finished ldif export of $dbsuffix"
         else
            warning $output
            warning "Failed ldif export of $dbsuffix"
         fi
         
         if [ "$restart" == "yes" ]; then
            debug "Starting ldap server..."
            /etc/init.d/slapd start
         fi
      fi
   done	
fi

return 0