do
			sleep 1
			i=$(($i + 1))
			if [ $i -gt $timeout ]; then
				log_end_msg 1
				exit 1
			fi
		done
	fi
	log_end_msg $return
	exit $return
	;;		
  stop)
	log_daemon_msg "Stopping $DESC"

	if [ -f "$PID_FILE" ]; then 
		start-stop-daemon --stop --pidfile "$PID_FILE" \
			--user "$FESS_USER" \
			--quiet \
			--retry forever/TERM/20 > /dev/null
		if [ $? -eq 1 ]; then

if [[ -n "${DEBUG_IMAGE:-}" ]]; then
  # Download and extract the Envoy linux debug binary.
  download_envoy_if_necessary "${ISTIO_ENVOY_LINUX_DEBUG_URL}" "$ISTIO_ENVOY_LINUX_DEBUG_PATH" "${SIDECAR}"
else
  echo "Skipping envoy debug. Set DEBUG_IMAGE to download."
fi

# Download and extract the Envoy linux release binary.
download_envoy_if_necessary "${ISTIO_ENVOY_LINUX_RELEASE_URL}" "$ISTIO_ENVOY_LINUX_RELEASE_PATH" "${SIDECAR}"

ROOTDIR=$SCRIPTPATH/..
cd "$ROOTDIR" || exit

# rely on go build cache
ISTIOCTL=bin/istioctl
go build -o $ISTIOCTL ./istioctl/cmd/istioctl

for f in samples/**/*.yaml; do
  if grep -q -e "{{" "$f" ; then
    echo "Skipping check for helm template $f"
    continue
  else
    echo "Validating $f..."
  $ISTIOCTL validate -x \
    -f "$f"
  fi

    if [ -n "$pid" ]; then
        echo $pid > "$pidfile"
    fi
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}

stop() {
    echo -n $"Stopping $prog: "
    # stop it here, often "killproc $prog"
    killproc -p $pidfile -d 20 $prog
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

restart() {