#!/bin/sh
### BEGIN INIT INFO
# Provides:          ceilometer-api
# Required-Start:    $network $local_fs $remote_fs $syslog
# Required-Stop:     $remote_fs
# Should-Start:      mongodb rabbitmq-server
# Should-Stop:       mongodb rabbitmq-server
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: ceilometer api
# Description:       ceilometer api
### END INIT INFO

# Author: Thomas Goirand <zigo@debian.org>

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Ceilometer API"
SYS_NAME=ceilometer
NAME=ceilometer-api
DAEMON=/usr/bin/${NAME}
DAEMON_ARGS="--log-dir=/var/log/ceilometer"

SCRIPTNAME=/etc/init.d/${NAME}
DAEMON_USER=${SYS_NAME}
DAEMON_GROUP=${SYS_NAME}
LOCK_DIR=/var/lock/${SYS_NAME}
PID_DIR=/var/run/${SYS_NAME}
PID_FILE=${PID_DIR}/${NAME}.pid
LOGFILE=/var/log/${SYS_NAME}/${NAME}.log 
DAEMON_ARGS="--config-file=/etc/${SYS_NAME}/ceilometer.conf"

[ -x $DAEMON ] || exit 0

for i in ${LOCK_DIR} ${PID_DIR} ; do
	[ ! -d ${i} ] && mkdir -p ${i}
	[ -d ${i} ] && chown ${DAEMON_USER}:${DAEMON_GROUP} ${i}
done

. /lib/lsb/init-functions

[ -r /etc/default/openstack ] && . /etc/default/openstack
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

[ "x$USE_SYSLOG" = "xyes" ] && DAEMON_ARGS="$DAEMON_ARGS --use-syslog"
[ "x$USE_LOGFILE" != "xno" ] && DAEMON_ARGS="$DAEMON_ARGS --log-file=$LOGFILE"

do_start() {
	start-stop-daemon --start \
			--background --quiet \
			--chuid ${DAEMON_USER}:${DAEMON_GROUP} \
			--make-pidfile --pidfile ${PID_FILE} \
			--chdir /var/run \
			--startas $DAEMON \
			--test > /dev/null \
			|| return 1
	start-stop-daemon --start \
			--background --quiet \
			--chuid ${DAEMON_USER}:${DAEMON_GROUP} \
			--make-pidfile --pidfile ${PID_FILE} \
			--chdir /var/run \
			--startas $DAEMON -- $DAEMON_ARGS \
			|| return 2
}

do_stop() {
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PID_FILE
	RETVAL=$?
	rm -f $PID_FILE
	return "$RETVAL"
}

case "$1" in
start)
	log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case $? in
		0|1) log_end_msg 0 ;;
		2) log_end_msg 1 ;;
	esac
;;
stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case $? in
		0|1) log_end_msg 0 ;;
		2) log_end_msg 1 ;;
	esac
;;
status)
	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
;;
restart|force-reload)
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case $? in
	0|1)
		do_start
		case $? in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
	;;
	*) log_end_msg 1 ;; # Failed to stop
	esac
;;
*)
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
;;
esac

exit 0