SERVER=22.0.37.200
TMP_FILE=/tmp/test_nfs_ports
SPOOL_FILE=/etc/check_mk/spool/test_nfs_ports.log

TEST_PORT() {
  echo "quit" | telnet $1 $2 | grep "Escape character is" >/dev/null  2>/dev/null
}

FAILED_PORTS=()
touch $TMP_FILE

for PORT in 111 2049
do
  TEST_PORT $SERVER $PORT >/dev/null  2>/dev/null
  if [ "$?" -ne 0 ]
  then
    #echo "$PORT failed!"
    FAILED_PORTS+=($PORT)
  fi
done

if [ ${#FAILED_PORTS[@]} -ne 0 ]#if massive length non-equal zero
then
  echo Telnet connection to $HOST to ports: ${FAILED_PORTS[@]} was failed at `date +"%T"` >> $TMP_FILE
fi

if [ -s $TMP_FILE ] #if file non-empty
then
  echo 2 test_nfs_ports - Some telnet connections to $SERVER to NFS ports failed, check $TMP_FILE for timestamps > $SPOOL_FILE
  exit 1
fi

echo 0 test_nfs_ports - Telnet connections to $SERVER to NFS ports OK > $SPOOL_FILE