A more advanced check_mk check i've written for linux_ulimits

#!/bin/python


inventory_process = []
inventory_process_version = []
def inventory_linux_ulimit (checkname, info):
        inventory = []
        if checkname == "linux_ulimit":
                #print "linux ulimit inv"
                #print info
                for line in info:
                        ln1 = line[0]
                        ln2 = line[1]
                ln1 = int(ln1)
                ln2 = int(ln2)
                #print "%d %d" % (ln1, ln2)
                value = "%d / %d" % (ln1, ln2)
                inventory.append ( ("Ulimit", (ln1,ln2)))
                return inventory






#the actual check


def check_linux_ulimit (item, params, info):
        perfdata = []

        perfdata = (float((params[0])/float(params[1]))*100.0)
        #value = ("Cur=%d ; Max=%d" % (params[0], params[1]))
        value = [("ulimit_cur",params[0],params[1]),]
        #print value
        if perfdata > 90.0:
                return (2, "Critical@90%: %d of %d used. %.1f%%" % (params[0],params[1],perfdata), value)
        if perfdata > 85.0:
                return (1, "Warning@85: %d of %d used. %.1f%%" % (params[0], params[1],perfdata),value)


        return (0, "OK - %d of %d used. %.1f%% " % (params[0], params[1],perfdata), value)


# checking function, service description, perf data, invenotry function
check_info['linux_ulimit'] = (check_linux_ulimit, "Linux",1 ,inventory_linux_ulimit)