23 May
2012
23 May
'12
4:12 p.m.
Module: check_mk
Branch: master
Commit: 2822258ddb18095c93e85a7dcd7f134505be38bc
URL:
http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=2822258ddb1809…
Author: Mathias Kettner <mk(a)mathias-kettner.de>
Date: Wed May 23 16:11:57 2012 +0200
mem: modularized check, use mem.include
---
checks/mem | 77 ++--------------------------------------
checks/mem.include | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 102 insertions(+), 73 deletions(-)
diff --git a/checks/mem b/checks/mem
index 8282a4b..c733125 100644
--- a/checks/mem
+++ b/checks/mem
@@ -37,9 +37,6 @@
# | used for unixoide operating systems. |
# +----------------------------------------------------------------------+
-memused_default_levels = (150.0, 200.0)
-mem_extended_perfdata = False
-
def parse_proc_meminfo(info):
return dict([ (i[0][:-1], int(i[1])) for i in info ])
@@ -49,76 +46,9 @@ def inventory_mem_used(info):
"PageTotal" not in meminfo: # This case is handled by mem.win
return [(None, "memused_default_levels")]
-def check_mem_used(item, params, info):
- try:
- meminfo = parse_proc_meminfo(info)
- 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)
-
+def check_mem_used(_no_item, params, info):
+ meminfo = parse_proc_meminfo(info)
+ return check_memory(params, meminfo)
check_info['mem.used'] = {
"check_function" : check_mem_used,
@@ -127,6 +57,7 @@ check_info['mem.used'] = {
"has_perfdata" : True,
"group" : "memory",
"check_config_variables" : [ "mem_extended_perfdata" ],
+ "includes" : [ "mem.include" ],
}
diff --git a/checks/mem.include b/checks/mem.include
new file mode 100644
index 0000000..f87456a
--- /dev/null
+++ b/checks/mem.include
@@ -0,0 +1,98 @@
+#!/usr/bin/python
+# -*- encoding: utf-8; py-indent-offset: 4 -*-
+# +------------------------------------------------------------------+
+# | ____ _ _ __ __ _ __ |
+# | / ___| |__ ___ ___| | __ | \/ | |/ / |
+# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
+# | | |___| | | | __/ (__| < | | | | . \ |
+# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
+# | |
+# | Copyright Mathias Kettner 2012 mk(a)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)
+