/usr/share/check_mk/checks/mem.include is in check-mk-server 1.2.2p3-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | #!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# | ____ _ _ __ __ _ __ |
# | / ___| |__ ___ ___| | __ | \/ | |/ / |
# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
# | | |___| | | | __/ (__| < | | | | . \ |
# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
# | |
# | Copyright Mathias Kettner 2013 mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# 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.
memused_default_levels = (150.0, 200.0)
mem_extended_perfdata = False
def check_memory(params, meminfo):
try:
swapused = meminfo['SwapTotal'] - meminfo['SwapFree']
memused = meminfo['MemTotal'] - meminfo['MemFree']
# Buffers and Cached are optional (not supported on Windows yet)
caches = meminfo.get('Buffers', 0) + meminfo.get('Cached', 0)
except:
return (3, "UNKNOWN - invalid output from plugin")
# Add extended memory performance data, if this is
# enabled and the agent provides that information.
extended_perf = []
extrainfo = ""
if mem_extended_perfdata:
mapped = meminfo.get('Mapped')
if mapped:
mapped_mb = int(mapped) / 1024
committed_as = meminfo.get('Committed_AS')
if committed_as:
committed_as_mb = int(committed_as) / 1024
else:
committed_as = 0
extended_perf = [
('mapped', str(mapped_mb) + 'MB', '', '', 0, ''),
('committed_as', str(committed_as_mb) + 'MB', '', '', 0, ''),
]
extrainfo = ", %.1f GB mapped, %.1f GB committed" % \
(mapped_mb / 1024.0, committed_as_mb / 1024.0)
totalused_kb = (swapused + memused - caches)
totalused_mb = totalused_kb / 1024
totalmem_kb = meminfo['MemTotal']
totalmem_mb = totalmem_kb / 1024
totalused_perc = 100 * (float(totalused_kb) / float(totalmem_kb))
totalvirt_mb = (meminfo['SwapTotal'] + meminfo['MemTotal']) / 1024
warn, crit = params
perfdata = [
('ramused', str( (memused - caches) / 1024) + 'MB', '', '', 0, totalmem_mb),
('swapused', str(swapused / 1024) + 'MB', '', '', 0, meminfo['SwapTotal']/1024) ]
# levels may be given either in int -> MB or in float -> percentages
infotext = ("%.2f GB used (%.2f GB RAM + %.2f GB SWAP, this is %.1f%% of %.2f GB RAM)" % \
(totalused_mb / 1024.0, (memused-caches) / 1024.0 / 1024, swapused / 1024.0 / 1024,
totalused_perc, totalmem_mb / 1024.0)) \
+ extrainfo
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))
perfdata += extended_perf
if totalused_perc >= crit:
return (2, 'CRIT - %s, critical at %.1f%%' % (infotext, crit), perfdata)
elif totalused_perc >= warn:
return (1, 'WARN - %s, warning at %.1f%%' % (infotext, warn), perfdata)
else:
return (0, 'OK - %s' % infotext, perfdata)
else:
perfdata.append(('memused', str(totalused_mb)+'MB', warn, crit, 0, totalvirt_mb))
perfdata += extended_perf
if totalused_mb >= crit:
return (2, 'CRIT - %s, critical at %.2f GB' % (infotext, crit / 1024.0), perfdata)
elif totalused_mb >= warn:
return (1, 'WARN - %s, warning at %.2f GB' % (infotext, warn / 1024.0), perfdata)
else:
return (0, 'OK - %s' % infotext, perfdata)
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