#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |          _           _           _       _   __   _______        |
# |       __| |_  ___ __| |__  _ __ | |__   / | /  \ |__ / _ \       |
# |      / _| ' \/ -_) _| / / | '  \| / /   | || () | |_ \_, /       |
# |      \__|_||_\___\__|_\_\_|_|_|_|_\_\   |_(_)__(_)___//_/        |
# |                                            check_mk 1.0.39       |
# |                                                                  |
# | Copyright Mathias Kettner 2009                mk@mathias-kettner |
# +------------------------------------------------------------------+
# 
# This file is part of check_mk 1.0.39.
# The official homepage is at http://mathias-kettner.de/check_mk.
# 
# check_mk 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 in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# ails.  You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.


def check_statgrab_mem(item, params, info):
    try:
        for var, value in info:
            if var == 'mem.used':     memused_kb   = int(value) / 1024
            elif var == 'mem.total':  totalmem_kb  = int(value) / 1024
            elif var == 'swap.used':  swapused_kb  = int(value) / 1024 / 4 # BUG in statgrab und Solaris?
            elif var == 'swap.total': totalswap_kb = int(value) / 1024 / 4 
            elif var == 'mem.cache':  caches_kb    = int(value) / 1024
        totalused_kb = (swapused_kb + memused_kb - caches_kb) 
        totalused_mb = totalused_kb / 1024
        totalmem_mb = totalmem_kb / 1024
        totalused_perc = 100 * (float(totalused_kb) / float(totalmem_kb))
        totalvirt_mb = (totalswap_kb + totalmem_kb) / 1024
        warn, crit = params

        perfdata = [ 
            ('ramused', str((memused_kb - caches_kb) / 1024) + 'MB', '', '', 0, totalmem_mb),
            ('swapused', str(swapused_kb / 1024) + 'MB', '', '', 0, totalswap_kb / 1024) ]
        
    except:
        return (3, "UNKNOWN - invalid ouput from plugin")

    # levels may be given either in int -> MB or in float -> percentages
    
    if type(warn) == float:
        perfdata.append(('memused', str(totalused_mb)+'MB', int(warn/100.0 * totalmem_mb), int(crit/100.0 * totalmem_mb), 0, totalvirt_mb))
        if totalused_perc >= crit:
            return (2, 'CRIT - %.1f%% of RAM (%d MB) used by processes (critical at %.1f%%)' % (totalused_perc, totalused_mb, crit), perfdata)
        elif totalused_perc >= warn:
            return (1, 'WARN - %.1f%% of RAM (%d MB) used by processes (warning at %.1f%%)' % (totalused_perc, totalused_mb, warn), perfdata)
        else:
            return (0, 'OK - %.1f%% of RAM (%d MB) used by processes' % (totalused_perc, totalused_mb), perfdata)

    else:
        perfdata.append(('memused', str(totalused_mb)+'MB', warn, crit, 0, totalvirt_mb))
        if totalused_mb >= crit:
            return (2, 'CRIT - %d MB of RAM (%.1f%%) used by processes (critical at %d MB)' % (totalused_mb, totalused_perc, crit), perfdata)
        elif totalused_mb >= warn:
            return (1, 'WARN - %d MB of RAM (%.1f%%) used by processes (warning at %d MB)' % (totalused_mb, totalused_perc, warn), perfdata)
        else:
            return (0, 'OK - %d MB of RAM (%.1f%%) used by processes' % (totalused_mb, totalused_perc), perfdata)


check_info['statgrab_mem'] = (check_statgrab_mem, "Memory used", 1, no_inventory_possible)
