#!/usr/bin/env python

import string,sys,os,time

if len(sys.argv) > 1: 
  username = sys.argv[1]
else:
  username = "nouser"

hostsfile = open('./nfshosts').readlines()
hosts = ""
for i in hostsfile:
  if string.find(i,'$') == -1:
    hosts = hosts + " " + string.strip(string.split(i,'"')[1])

hosts = string.split(hosts)

print  "Load report on "+time.asctime(time.localtime(time.time()))

for h in hosts:
  status = os.system('ping -c 1' + h + ' >&/dev/null ')
  if status == 256:
     print string.ljust(h,10) +':'
     if username == 'all':
       print "  " + string.strip(string.join(os.popen('ssh ' + h + ' w').readlines()))
     else:
       print "  " + string.strip(string.join(os.popen('ssh ' + h + ' w | head -1').readlines()))
       result = string.join(os.popen('ssh ' + h + ' w | grep ' + username).readlines(), "  + ")
       if result <> "" :
         print  "  + " + result
  else:
     print h + ' est down'