init_cbq-engine

#!/bin/bash
#
# description: Start up Couchbase Query Engine as daemon service
# usage: CentOS based init script used for N1ql dp4
# chkconfig: 2345 99 99
# processname: cbq-engine
#

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

# Vars
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
NAME=cbq-engine
PROG=/opt/cbq-dp4/${NAME}
LOGFILE=/var/log/${NAME}
LOCKFILE=/var/lock/subsys/${NAME}
PIDFILE=/var/run/${NAME}.pid
ARGS="-datastore http://127.0.0.1:8091 >> ${LOGFILE} 2>&1"
RETVAL=0

# Functions
start() {
	if [ ! -x ${PROG} ]
	then
        	echo "${PROG} is missing"
        	exit 5
        fi
        
	[ ${UID} -ne 0 ] && exit 4
	echo -n "Starting ${NAME}: "
	if [ -f ${LOCKFILE} ]
	then
		echo "Lock file already exists ... Exiting !"
		exit 1
	else
		daemon --pidfile ${PIDFILE} "nohup ${PROG} ${ARGS} &"
		RETVAL=${?}
		[ ${RETVAL} -eq 0 ] && touch ${LOCKFILE} && success || failure
		echo $(pidof ${NAME}) > ${PIDFILE}
		echo
		return ${RETVAL}
	fi
}

stop() {
	[ ${UID} -ne 0 ] && exit 4
	echo -n "Stopping ${NAME}: "
	killproc -p ${PIDFILE} && success || failure
	RETVAL=${?}
	[ ${RETVAL} -eq 0 ] && rm -f ${LOCKFILE}
	echo
	return ${RETVAL}
}

restart() {
	stop
	start
}

rh_status() {
	status ${NAME}
	RETVAL=${?}
	return ${RETVAL}
}

case "${1}" in
	start)
		start
		;;
	stop)
		stop
		;;
	status)
		rh_status
		;;
	restart)
		restart
		;;
	*)
		echo "Usage: ${0} {start|stop|restart|status}"
		exit 1
esac

exit ${RETVAL}

# EOS