#!/usr/bin/python

## Copyright (C) 2007 Herbert Straub
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


# Output from apcaccess
# 
# APC      : 001,043,1033
# DATE     : Sun Nov 18 14:14:33 CET 2007
# HOSTNAME : admin01
# RELEASE  : 3.14.1
# VERSION  : 3.14.1 (04 May 2007) debian
# UPSNAME  : admin01
# CABLE    : Custom Cable Smart
# MODEL    : Back-UPS CS 500
# UPSMODE  : Stand Alone
# STARTTIME: Sun Nov 18 03:22:07 CET 2007
# STATUS   : ONLINE
# LINEV    : 230.0 Volts
# LOADPCT  :  23.0 Percent Load Capacity
# BCHARGE  : 100.0 Percent
# TIMELEFT :  28.1 Minutes
# MBATTCHG : 5 Percent
# MINTIMEL : 3 Minutes
# MAXTIME  : 0 Seconds
# OUTPUTV  : 230.0 Volts
# SENSE    : Medium
# DWAKE    : 000 Seconds
# DSHUTD   : 000 Seconds
# LOTRANS  : 180.0 Volts
# HITRANS  : 266.0 Volts
# RETPCT   : 000.0 Percent
# ITEMP    : 29.2 C Internal
# ALARMDEL : Always
# BATTV    : 13.5 Volts
# LINEFREQ : 50.0 Hz
# LASTXFER : Low line voltage
# NUMXFERS : 0
# TONBATT  : 0 seconds
# CUMONBATT: 0 seconds
# XOFFBATT : N/A
# SELFTEST : NO
# STATFLAG : 0x07000008 Status Flag
# SERIALNO : BB0628042747
# BATTDATE : 2006-07-09
# NOMOUTV  : 230
# NOMINV   : 230
# NOMBATTV :  12.0
# FIRMWARE : 808.q7.I USB FW:q7
# APCMODEL : Back-UPS CS 500
# END APC  : Sun Nov 18 14:14:33 CET 2007
# 

import os, re

STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
STATE_DEPENDENT=4

para={}
statustext=''
status=STATE_OK
pat=re.compile("(.+) *: (.*)\n$")
value=re.compile("((\d+)(.\d)?) (\w+)")
def data_parse(x):
    m=pat.search(x)
    if m:
        para[m.group(1).strip()]=m.group(2)

def perfdata():
    perf=''
    m=value.search(para['BCHARGE'])
    if m:
        perf="charge=%s%%;" % m.group(1)
    m=value.search(para['LOADPCT'])
    if m:
        perf+=" load=%s%%;" % m.group(1)
    m=value.search(para['LINEV'])
    if m:
        perf+=" linev=%s;" % m.group(1)
    m=value.search(para['BATTV'])
    if m:
        perf+=" battv=%s;" %m.group(1)
    m=value.search(para['TIMELEFT'])
    if m:
        perf+=" timeleft=%s;" % m.group(1)
    m=value.search(para['LINEFREQ'])
    if m:
        perf+=" linef=%s" % m.group(1)

    return perf

if len(os.sys.argv) != 5:
    print "check_mm_apc loadwarn loadcrit chargewarn chargecrit"
    os.sys.exit(STATE_UNKNOWN)
else:
    loadwarn=os.sys.argv[1]
    loadcrit=os.sys.argv[2]
    chargewarn=os.sys.argv[3]
    chargecrit=os.sys.argv[4]

pipe=os.popen("apcaccess", "r")
data=pipe.readlines()
map(data_parse, data)

perf=perfdata()

m=value.search(para['LOADPCT'])
load=m.group(1)
m=value.search(para['BCHARGE'])
charge=m.group(1)
m=value.search(para['TIMELEFT'])
timeleft=m.group(1)

if float(load) >= float(loadcrit):
    statustext="Critical overload %s>%s" % (load, loadcrit)
    status=STATE_CRITICAL
elif float(charge) <= float(chargecrit):
    statustext="Critical charge %s<%s" % (charge, chargecrit)
    status=STATE_CRITICAL
elif float(load) >= float(loadwarn):
    statustext="Warning overload %s>%s" % (load, loadwarn)
    status=STATE_WARNING
elif float(charge) <= float(chargewarn):
    statustext="Warning charge %s<%s" % (charge, chargewarn)
    status=STATE_WARNING
else:
    statustext="OK"
    status=STATE_OK

statustext+=" load: %s, charge: %s, timeleft: %s" % (load, charge, timeleft)
statustext+="|%s" % perf

print statustext
os.sys.exit(status)