#!/usr/bin/python
import os
import yaml

def __run__(params):
    mountpoint = []
    f = open("/etc/mtab")
    for line in f.readlines():
        line = line.strip()
        if " nfs " in line:
            mountpoint = line.split()[1]
            size = len(os.listdir(mountpoint))
            if size == 0:
                return [2, "CRITICAL - mountpoint %s is empty" % mountpoint]
    return [0, "OK"]