- 3.3.5

[packages/syslog-ng.git] / syslog-ng.init

#!/bin/sh
#
# syslog	Starts syslog-ng (syslogd replacement).
#
# chkconfig:	2345 17 83
# description:	Syslog is the facility by which many daemons use to log \
#		messages to various system log files. It is a good idea to \
#		always run syslog.

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

# Get service config
if [ -f /etc/sysconfig/syslog-ng ]; then
	. /etc/sysconfig/syslog-ng
fi

# configtest itself
# must return non-zero if check failed
# output is discarded if checkconfig is ran without details
configtest() {
	syslog-ng $OPTIONS -F -s -p /var/run/syslog-ng-syntaxcheck.pid
	return $?
}

# wrapper for configtest
checkconfig() {
	local details=${1:-0}

	if [ $details = 1 ]; then
		# run config test and display report (status action)
		show "Checking %s configuration" "syslog-ng"; busy
		local out
		out=$(configtest 2>&1)
		RETVAL=$?
		if [ $RETVAL = 0 ]; then
			ok
		else
			fail
		fi
		[ "$out" ] && echo >&2 "$out"
	else
		# run config test and abort with nice message if failed
		# (for actions checking status before action).
		configtest >/dev/null 2>&1
		RETVAL=$?
		if [ $RETVAL != 0 ]; then
			show "Checking %s configuration" "syslog-ng"; fail
			nls 'Configuration test failed. See details with %s "checkconfig"' $0
			exit $RETVAL
		fi
	fi
}

start() {
	# Check if the service is already running?
	if [ -f /var/lock/subsys/syslog-ng ]; then
		msg_already_running "syslog-ng"
		return
	fi

	msg_starting "syslog-ng"
	emit starting JOB=syslog-ng SERVICE_syslog=y
	daemon @@SBINDIR@@/syslog-ng -f /etc/syslog-ng/syslog-ng.conf --worker-threads=1024 $OPTIONS
	RETVAL=$?
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/syslog-ng
	emit --no-wait started JOB=syslog-ng SERVICE_syslog=y
}

stop() {
	if [ ! -f /var/lock/subsys/syslog-ng ]; then
		msg_not_running "syslog-ng"
		return
	fi

	msg_stopping "syslog-ng"
	emit stopping JOB=syslog-ng SERVICE_syslog=y
	killproc syslog-ng
	emit --no-wait stopped JOB=syslog-ng SERVICE_syslog=y
	rm -f /var/lock/subsys/syslog-ng >/dev/null 2>&1
}

condrestart() {
	if [ ! -f /var/lock/subsys/syslog-ng ]; then
		msg_not_running "syslog-ng"
		RETVAL=$1
		return
	fi

	checkconfig
	stop
	start
}

reload() {
	if [ ! -f /var/lock/subsys/syslog-ng ]; then
		msg_not_running "syslog-ng"
		RETVAL=7
		return
	fi

	checkconfig
	msg_reloading "syslog-ng"
	killproc syslog-ng -HUP
	RETVAL=$?
}

flush_logs() {
	if use_upstart && [ -f /etc/init/syslog-ng.conf ]; then
		checkconfig
		/sbin/initctl reload syslog-ng
	elif [ -x /bin/systemd_booted ] && /bin/systemd_booted; then
		checkconfig
		msg_reloading "syslog-ng"
		/bin/systemctl reload syslog-ng.service
		RETVAL=$?
		[ $RETVAL -eq 0 ] && ok || fail
	elif [ -f /var/lock/subsys/syslog-ng ]; then
		checkconfig
		msg_reloading "syslog-ng"
		killproc syslog-ng -HUP
		RETVAL=$?
	else
		msg_not_running "syslog-ng"
		RETVAL=7
	fi
}

upstart_controlled --except checkconfig configtest flush-logs

RETVAL=0
# See how we were called.
case "$1" in
  start)
	configtest
	start
	;;
  stop)
	stop
	;;
  restart)
	configtest
	stop
	start
	;;
  try-restart)
	condrestart 0
	;;
  reload|force-reload)
	reload
	;;
  flush-logs)
	flush_logs
	;;
  checkconfig|configtest)
	checkconfig 1
	;;
  status)
	status syslog-ng
	exit $?
	;;
  *)
	msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|status|checkconfig|flush-logs}"
	exit 3
esac

exit $RETVAL