root@node3:~# grep -iEv '^$|^#' /etc/init.d/neutron-plugin-openvswitch-agent
DESC="Openstack Neutron OpenVSwitch Plugin Agent"
PROJECT_NAME=neutron
NAME=${PROJECT_NAME}-openvswitch-agent
CONF_FILE=/etc/neutron/plugin.ini
DAEMON_ARGS=""
[ -r /usr/share/neutron-common/plugin_guess_func ] || exit 0
. /usr/share/neutron-common/plugin_guess_func
if ! [ -r /etc/neutron/neutron.conf ] ; then
	echo "Cloud not read /etc/neutron/neutron.conf: exiting"
	exit 0
fi
CURRENT_PLUGIN=`grep "^[ \t]*core_plugin[ \t]*=[ \t]*[._a-zA-Z0-9]*\$" /etc/neutron/neutron.conf | sed -e 's/^[ \t]*core_plugin[ \t]*=[ \t]*//'`
if [ -z "${CURRENT_PLUGIN}" ] ; then
	echo "No core_plugin= value found: please set it and try again"
	exit 0
fi
neutron_core_plugin_to_plugin_name ${CURRENT_PLUGIN}
neutron_plugin_ini_path ${NEUTRON_PLUGIN_NAME}
if [ ${NEUTRON_PLUGIN_NAME} = ml2 ]; then
            DAEMON_ARGS="${DAEMON_ARGS} --config-file=${CONF_FILE}"
fi
if [ -z "${NEUTRON_PLUGIN_CONFIG}" ] ; then
	echo "Plugin not recognized: please edit /etc/init.d/neutron-server to select the correct .ini file to load for your plugin"
else
	DAEMON_ARGS="${DAEMON_ARGS} --config-file=${NEUTRON_PLUGIN_CONFIG}"
	DESC="${DESC} with ${NEUTRON_PLUGIN_NAME} plugin"
fi
PATH=/sbin:/usr/sbin:/bin:/usr/bin
if [ -z "${DAEMON}" ] ; then
	DAEMON=/usr/bin/${NAME}
fi
PIDFILE=/var/run/${PROJECT_NAME}/${NAME}.pid
if [ -z "${SCRIPTNAME}" ] ; then
	SCRIPTNAME=/etc/init.d/${NAME}
fi
if [ -z "${SYSTEM_USER}" ] ; then
	SYSTEM_USER=${PROJECT_NAME}
fi
if [ -z "${SYSTEM_USER}" ] ; then
	SYSTEM_GROUP=${PROJECT_NAME}
fi
if [ "${SYSTEM_USER}" != "root" ] ; then
	STARTDAEMON_CHUID="--chuid ${SYSTEM_USER}:${SYSTEM_GROUP}"
fi
if [ -z "${CONFIG_FILE}" ] ; then
	CONFIG_FILE=/etc/${PROJECT_NAME}/${PROJECT_NAME}.conf
fi
LOGFILE=/var/log/${PROJECT_NAME}/${NAME}.log
if [ -z "${NO_OPENSTACK_CONFIG_FILE_DAEMON_ARG}" ] ; then
	DAEMON_ARGS="${DAEMON_ARGS} --config-file=${CONFIG_FILE}"
fi
[ -x $DAEMON ] || exit 0
if [ `whoami` = "root" ] ; then
	for i in lock run log lib ; do
		mkdir -p /var/$i/${PROJECT_NAME}
		chown ${SYSTEM_USER} /var/$i/${PROJECT_NAME}
	done
fi
. /lib/lsb/init-functions
[ -r /etc/default/openstack ] && . /etc/default/openstack
[ -r /etc/default/$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 --quiet --background ${STARTDAEMON_CHUID} --make-pidfile --pidfile ${PIDFILE} --chdir /var/lib/${PROJECT_NAME} --startas $DAEMON \
			--test > /dev/null || return 1
	start-stop-daemon --start --quiet --background ${STARTDAEMON_CHUID} --make-pidfile --pidfile ${PIDFILE} --chdir /var/lib/${PROJECT_NAME} --startas $DAEMON \
			-- $DAEMON_ARGS || return 2
}
do_stop() {
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
	RETVAL=$?
	rm -f $PIDFILE
	return "$RETVAL"
}
do_systemd_start() {
	exec $DAEMON $DAEMON_ARGS
}
case "$1" in
start)
	init_is_upstart > /dev/null 2>&1 && exit 1
	log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case $? in
		0|1) log_end_msg 0 ;;
		2) log_end_msg 1 ;;
	esac
;;
stop)
	init_is_upstart > /dev/null 2>&1 && exit 0
	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 $?
;;
systemd-start)
	do_systemd_start
;;
restart|force-reload)
	init_is_upstart > /dev/null 2>&1 && exit 1
	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|systemd-start}" >&2
	exit 3
;;
esac
exit 0