- allow some actions when network is down

[packages/pdns.git] / pdns.init

#!/bin/sh
# pdns		This is controller stript for PowerDNS name server.
#
# chkconfig:	345 80 75
#
# description:	pdns is is a Domain Name Server (DNS) \
#		that is used to resolve host names to IP addresses.

# Source function library
. /etc/rc.d/init.d/functions

# Source networking configuration
. /etc/sysconfig/network

# Check that networking is up.
if is_yes "${NETWORKING}"; then
	if [ ! -f /var/lock/subsys/network -a != stop -a != status ]; then
		msg_network_down "PowerDNS"
		exit 1
	fi
else
	exit 0
fi

BINARYPATH=/usr/sbin
SBINARYPATH=/usr/sbin
SOCKETPATH=/var/run

cd /var/run
suffix=`basename $0 | awk -F- '{print $2}'`
if [ $suffix ] 
then
	EXTRAOPTS=--config-name=$suffix
	PROGNAME=pdns-$suffix
else
	PROGNAME=pdns
fi

pdns_server="/usr/sbin/pdns_server $EXTRAOPTS"

doPC() {
	ret=$(/usr/sbin/pdns_control $EXTRAOPTS $1 $2 2> /dev/null)
}

doPC ping
NOTRUNNING=$?

RETVAL=0
case "$1" in
  status)
	status pdns_server
	exit $?
	;;	
  stop)
	if test "$NOTRUNNING" = "0"; then 
		msg_stopping "PowerDNS"
		doPC quit 2>&1 >/dev/null
		[ $? -eq 0 ] && ok || fail
		rm /var/lock/subsys/pdns
	else
		msg_not_running "PowerDNS"
	fi 
	;;		
  force-stop)
	run_cmd "Killing PowerDNS without grace" killall -v -9 pdns_server
	;;
  start)
	if test "$NOTRUNNING" = "0"; then 
		msg_already_running "PowerDNS"
	else
		msg_starting "PowerDNS (Powered DNS server)"
		daemon $pdns_server --daemon --guardian=yes
		RETVAL=$?
		[ $RETVAL -eq 0 ] && touch /var/lock/subsys/pdns
	fi
	;;
  restart)
	$0 stop
	run_cmd "PowerDNS (3 sec. timeout)" sleep 3
	$0 start
	exit $?
	;;
  reload|force-reload) 
	if test "$NOTRUNNING" = "0"; then 
		show "Reloading PowerDNS"
		doPC cycle 2>&1 >/dev/null
		if [ $? -eq 0 ]; then
			ok
		else
			fail
			RETVAL=1
		fi
	else
		msg_not_running "PowerDNS" >&2
		exit 7
	fi
	;;		
  monitor)
	if test "$NOTRUNNING" = "0"; then 
		msg_already_running "PowerDNS"
	else
		show "PowerDNS in foreground (testing mode)"
		$pdns_server --daemon=no --guardian=no --control-console --loglevel=9
	fi 
	;;		
  dump)
	if test "$NOTRUNNING" = "0"; then 
		doPC list
		echo $ret
	else
		msg_not_running "PowerDNS"
	fi 
	;;		
  show)
	if [ $# -lt 2 ]; then
		msg_usage "$0 {show|mrtg|cricket} <variable_name_from_pdns_dump>"
		exit 2
	fi 
	if test "$NOTRUNNING" = "0"; then 
		echo -n "$2="
		doPC show $2 ; echo $ret
	else
		msg_not_running "PowerDNS"
	fi 
	;;		
  mrtg)
	if [ $# -lt 2 ]; then
		msg_usage "$0 {show|mrtg|cricket} <variable_name_from_pdns_dump>"
		exit 2
	fi 
	if test "$NOTRUNNING" = "0"; then 
		doPC show $2 ; echo $ret
		if [ "$3x" != "x" ]; then
			doPC show $3 ; echo $ret
		else
			echo 0
		fi
		doPC uptime ; echo $ret
		echo PowerDNS daemon
	else
		msg_not_running "PowerDNS" >&2
		exit 7
	fi 
	;;		
  cricket)
	if [ $# -lt 2 ]; then
		msg_usage "$0 {show|mrtg|cricket} <variable_name_from_pdns_dump>"
		exit 2
	fi 
	if test "$NOTRUNNING" = "0"; then 
		doPC show $2 ; echo $ret
	else
		msg_not_running "PowerDNS" >&2
		exit 7
	fi 
	;;		
  *)
	msg_usage "$0 {start|stop|restart|reload|force-reload|status|dump|show|mrtg|cricket|monitor} [...]"
	exit 3
esac

exit $RETVAL