#!/bin/bash
# /etc/init.d/nginx-logger-{{ type }}
#
# chkconfig: 345 84 16
# description: Nginx logger for {{ type }}
# processname: nginx-logger-{{ type }}

NAME=nginx-logger-{{ type }}
DESC="syslog forwarder for nginx {{type}} logs"
DAEMON=/usr/bin/logger
DAEMON_ARGS=" -f /var/log/nginx/{{ type }}.fifo -t nginx -p {% if type == 'error' %}warn{% else %}debug{% endif %}"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the daemon program isn't installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

. /etc/init.d/functions

do_start() {
	# Return
	# 0 if daemon has been started
	# 1 if daemon was already running
	# 2 if daemon could not be started
        echo -n "Starting $NAME"
        pid=$(cat $PIDFILE 2>/dev/null)
	if [ -n "$pid" ]; then
                failure
                echo
		return 1;
	fi

	if [ ! -r /var/log/nginx/{{ type }}.fifo ]; then
		mkdir -p /var/log/nginx
		mkfifo /var/log/nginx/{{ type }}.fifo
		chown root.root /var/log/nginx/{{ type }}.fifo
		chmod 660 /var/log/nginx/{{ type }}.fifo
	fi

        $DAEMON $DAEMON_ARGS &
        ERROR=$?
        PID=$!
        if [ $ERROR -eq 0 ]; then
                success
                echo
                echo $PID > $PIDFILE
        else
                failure
                echo
                exit 2
        fi
}

do_stop() {
	# Return
	# 0 if daemon has been stopped
	# 1 if daemon was already stopped
	# 2 if daemon could not be stopped
	# other if a failure occurred
        echo -n Stopping $NAME
        pid=$(cat $PIDFILE 2>/dev/null)
        if [ $? -eq 0 ]; then
                echo $pid | xargs kill 2&1>/dev/null
                success
                RETVAL=0
        else
                failure
                RETVAL=1
        fi
        echo

	[ "$RETVAL" = 2 ] && return 2
	rm -f $PIDFILE
	return "$RETVAL"
}

case "$1" in
	start)
		do_start
		;;
	stop)
		do_stop
		;;
	status)
                status -p "$PIDFILE" "$DAEMON" && exit 0 || exit $?
		;;
	restart|force-reload)
		do_stop
		do_start
		;;
	*)
		echo "Usage: /etc/init.d/nginx-logger-{{ type }} {start|stop|status|restart|force-reload}" >&2
		exit 3
		;;
esac

exit 0