/usr/share/check_mk/checks/hr_mem is in check-mk-server 1.1.12-1ubuntu1.
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 98 99 100 | #!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# | ____ _ _ __ __ _ __ |
# | / ___| |__ ___ ___| | __ | \/ | |/ / |
# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
# | | |___| | | | __/ (__| < | | | | . \ |
# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
# | |
# | Copyright Mathias Kettner 2010 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)
# Memory information is - together with filesystems - in
# hrStorage. We need the entries of the types hrStorageVirtualMemory
# and hrStorageRam
def inventory_hr_mem(info):
# Do we find at least one entry concerning memory?
for hrtype, hrdescr, hrunits, hrsize, hrused in info:
if hrtype in [ ".1.3.6.1.2.1.25.2.1.2",
".1.3.6.1.2.1.25.2.1.3" ]:
if int(hrsize) > 0: # some device have zero (broken) values
return [(None, "memused_default_levels")]
def check_hr_mem(item, params, info):
usage = {}
for hrtype, hrdescr, hrunits, hrsize, hrused in info:
if hrtype in [ ".1.3.6.1.2.1.25.2.1.2",
".1.3.6.1.2.1.25.2.1.3" ]:
size = saveint(hrsize) * saveint(hrunits) / 1048576.0
used = saveint(hrused) * saveint(hrunits) / 1048576.0
usage[hrtype] = (size, used)
# Account for cached memory (this works at least for systems using
# the UCD snmpd (such as Linux based applicances)
cached_mb = 0
for hrtype, hrdescr, hrunits, hrsize, hrused in info:
if hrdescr in [ "Cached memory", "Memory buffers" ]:
cached_mb += saveint(hrused) * saveint(hrunits) / 1048576.0
totalram_mb, ramused_mb = usage.get(".1.3.6.1.2.1.25.2.1.2", (0,0))
ramused_mb -= cached_mb
totalvirt_mb, virtused_mb = usage.get(".1.3.6.1.2.1.25.2.1.3", (0,0))
totalmem_mb, totalused_mb = totalram_mb + totalvirt_mb, ramused_mb + virtused_mb
if totalmem_mb > 0:
totalused_perc = 100 * totalused_mb / totalram_mb
perfdata = [
('ramused', str(ramused_mb) + 'MB', None, None, 0, totalram_mb),
('swapused', str(virtused_mb) + 'MB', None, None, 0, totalvirt_mb) ]
infotext = "%.2f GB used (%.2f GB RAM + %.2f GB SWAP, this is %.1f%% of %.2f GB RAM)" % \
(totalused_mb / 1024.0, ramused_mb / 1024, virtused_mb / 1024, totalused_perc, totalram_mb / 1024.0)
warn, crit = params
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 - %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))
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)
return (3, "Invalid information. Total memory is empty.")
check_info["hr_mem"] = (check_hr_mem, "Memory used", 1, inventory_hr_mem)
snmp_info["hr_mem"] = ( ".1.3.6.1.2.1.25.2.3.1", [
2, # hrStorageType
3, # hrStorageDescr
4, # hrStorageAllocationUnits
5, # hrStorageSize
6, # hrStorageUsed
] )
snmp_scan_functions["hr_mem"] = lambda oid: \
not not oid('.1.3.6.1.2.1.25.1.1.0') # HOST-RESOURCES-MIB::hrSystemUptime.0
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