munin_plugin_with_greplog.py

#! /usr/bin/env python
import sys
import subprocess

if len(sys.argv) == 1:
  tail = subprocess.Popen('tail -1000 GSGame.log'.split(), stdout=subprocess.PIPE)
  rooms = subprocess.Popen('grep Rooms'.split(),stdin=tail.stdout, stdout=subprocess.PIPE)
  last = subprocess.Popen('tail -1'.split(),stdin=rooms.stdout, stdout=subprocess.PIPE)
  output = last.communicate()[0]
  parameters = output.rstrip().split()
  if len(parameters) == 0:
   print "rooms.value 0"
  else:
   print "rooms.value %s" % parameters[8]
elif sys.argv[1] == 'name':
  print "rooms"
elif sys.argv[1] == 'config':
  print "graph_title Number of rooms"
  print "graph_vlabel number of rooms"
  print "graph_category game"
  print "graph_info This graph shows the number of rooms"
  print "rooms.label rooms"
  print "rooms.info The current number of active rooms"