nut-snmp

#!/usr/bin/python

BASE_OID = '.1.3.6.1.4.1.25359.3'
UPSC = '/usr/local/ups/bin/upsc'

import sys, commands, re, snmpresponse

def list_upses():
    return commands.getoutput("%s -l"%UPSC).split("\n")

def upsc_val(oid, ups, value):
    line = commands.getoutput("%s %s | grep %s | head -1"%(UPSC, ups, value))
    fields = line.split(':')
    val = fields[1].strip()
    if re.match('^[0-9]+$', val):
        return ('gauge', int(val))
    elif re.match('^[0-9.]+$', val):
        return ('gauge', int(float(val) * 10))
    else:
        return ('string', val)

result = [ ]

i = 1
for ups in list_upses():
    result.append((BASE_OID + '.1.' + str(i), ('string', ups)))
    result.append((BASE_OID + '.2.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'device.model')))
    result.append((BASE_OID + '.3.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'device.mfr')))
    result.append((BASE_OID + '.4.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'device.serial')))
    result.append((BASE_OID + '.5.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'battery.charge')))
    result.append((BASE_OID + '.6.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'battery.runtime')))
    result.append((BASE_OID + '.7.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'battery.voltage')))
    result.append((BASE_OID + '.8.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'battery.voltage.nominal')))
    result.append((BASE_OID + '.9.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'battery.type')))
    result.append((BASE_OID + '.10.' + str(i), lambda oid, ups=ups: upsc_val(oid, ups, 'ups.status')))
    i += 1

operation = sys.argv[1]
req_oid = sys.argv[2]

snmpresponse.respond_to(operation, req_oid, result)