proxyTSDB.init

#!/bin/bash
#
# proxyTSDB Startup script for the openTSDB proxy service
#
# chkconfig:	3 14 86
# description:	proxyTSDB works as a local buffer to send metrics \
#		between applications and openTSDB
# processname:	proxyTSDB
# pidfile:	/var/run/proxyTSDB.pid
#
### BEGIN INIT INFO
# Provides: 		proxyTSDB
# Required-Start: 	$local_fs $remote_fs $network $named
# Required-Stop: 	$local_fs $remote_fs $network
# Should-Start:
# Should-Stop:
# Default-Start:
# Default-Stop:
# Short-Description: 	start and stop proxyTSDB
# Description:		proxyTSDB works as a local buffer to send metrics \
#			between applications and openTSDB
### END INIT INFO

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

EXEC="/usr/sbin/proxyTSDB"
PROG="proxyTSDB"
CONFIG="/etc/proxyTSDB/proxyTSDB.conf"

# Source configuration file
. $CONFIG

[ -e /etc/sysconfig/$PROG ] && . /etc/sysconfig/$PROG

SEND_TIME=${SEND_TIME-30}
LOG_LEVEL=${LOG_LEVEL-INFO}
LOG_FILE=${LOG_FILE-/var/log/proxyTSDB/proxyTSDB.log}
PERSISTENCE_TYPE=${PERSISTENCE_TYPE-RAM}
DISK_QUEUE_PATH=${DISK_QUEUE_PATH-/var/proxyTSDB/disk-queue-metrics}
RAM_PERSISTENCE_MAX_SIZE=${RAM_PERSISTENCE_MAX_SIZE-512}
DISK_PERSISTENCE_MAX_SIZE=${DISK_PERSISTENCE_MAX_SIZE-1024}

LOCKFILE=/var/lock/subsys/$PROG
PIDFILE=/var/run/${PROG}.pid

OPTIONS="-D -H $TSD_HOST -P $PIDFILE"
OPTIONS="$OPTIONS --sendperiod=$SEND_TIME"
OPTIONS="$OPTIONS --loglevel=$LOG_LEVEL --logfile=$LOG_FILE"
OPTIONS="$OPTIONS --buffertype=$PERSISTENCE_TYPE --rammaxsize=$RAM_PERSISTENCE_MAX_SIZE"
if [[ "DISK" == "$PERSISTENCE_TYPE" ]] ; then
	OPTIONS="$OPTIONS --diskmaxsize=$DISK_PERSISTENCE_MAX_SIZE --diskqueuepath=$DISK_QUEUE_PATH"
fi

which_python() {
	for python in /usr/bin/python2.6 /usr/bin/python; do
		test -x "$python" && echo "$python" && return
	done
	echo >&2 'Could not find a Python interpreter'
	exit 1
}

PYTHON=$(which_python)

start() {
	[ -x $EXEC ] || exit 5
	[ -f $CONFIG ] || exit 6
	[ "" != "$TSD_HOST" ] || { echo "ERROR: TSD_HOST is not set" >&2; exit 7; }
	echo -n $"Starting $PROG: "
	daemon --pidfile=$PIDFILE $PYTHON $EXEC $OPTIONS
	RETVAL=$?
	echo
	[ $RETVAL = 0 ] && touch $LOCKFILE
	return $RETVAL
}

stop() {
	echo -n $"Stopping $prog: "
	killproc -p $PIDFILE -d 15 $EXEC
	RETVAL=$?
	echo
	[ $RETVAL = 0 ] && rm -f $LOCKFILE
	return $RETVAL
}

restart() {
	stop
	start
}

reload() {
	restart
}

force_reload() {
	restart
}

rh_status() {
	status -p $PIDFILE $PROG
}

rh_status_q() {
	status -p $PIDFILE $PROG >/dev/null 2>&1
}



case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
	reload)
		restart
		;;
	force-reload)
		force_reload
		;;
	status)
		rh_status
		;;
	condrestart|try-restart)
		rh_status_q || exit 0
		[ -f $LOCKFILE ] && restart || :
		;;

	*)
		echo "Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
		exit 2
		;;
esac
exit $?