[checkmk-commits] Check_MK Git: check_mk: #1464 netscaler_mem: new check to monitor the memory usage of Citrix Netscaler Appliances

Module: check_mk Branch: master Commit: 03b0dbddcdd4dfa1cc3fd6ab5465404ac59659c7 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=03b0dbddcdd4df… Author: Goetz Golla &lt;gg(a)mathias-kettner.de&gt; Date: Fri Jan 9 14:38:25 2015 +0100 #1464 netscaler_mem: new check to monitor the memory usage of Citrix Netscaler Appliances --- .werks/1464 | 9 ++++ ChangeLog | 1 + checkman/netscaler_mem | 27 ++++++++++++ checks/netscaler_mem | 67 ++++++++++++++++++++++++++++++ pnp-templates/check_mk-netscaler_mem.php | 1 + web/plugins/perfometer/check_mk.py | 1 + web/plugins/wato/check_parameters.py | 15 +++++++ 7 files changed, 121 insertions(+) diff --git a/.werks/1464 b/.werks/1464 new file mode 100644 index 0000000..7bc83da --- /dev/null +++ b/.werks/1464 @@ -0,0 +1,9 @@ +Title: netscaler_mem: new check to monitor the memory usage of Citrix Netscaler Appliances +Level: 1 +Component: checks +Compatible: compat +Version: 1.2.7i1 +Date: 1420810662 +Class: feature + + diff --git a/ChangeLog b/ChangeLog index 6211340..6572cb7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -26,6 +26,7 @@ * 1831 diskstat: detect multipath devices and handle them instead of the physical paths... * 1462 netscaler_ha: new check to monitor the HA state of Citrix Netscaler appliances * 1838 emc_datadomain_mtree: New check for EMC Datadomain MTrees... + * 1464 netscaler_mem: new check to monitor the memory usage of Citrix Netscaler Appliances * 1457 FIX: logins: new check renamed from "users" check... NOTE: Please refer to the migration notes! * 1762 FIX: lnx_thermal: Now ignoring trip points with level 0... diff --git a/checkman/netscaler_mem b/checkman/netscaler_mem new file mode 100644 index 0000000..970479a --- /dev/null +++ b/checkman/netscaler_mem @@ -0,0 +1,27 @@ +title: Citrix Netscaler Memory Utilization +agents: snmp +catalog: app/netscaler +license: GPL +distribution: check_mk +description: + + This check monitors the Memmory utilization on the Citrix Netscaler + Appliance. It uses the NS-ROOT-MIB to access the amount of used memory + {resMemUsage} in percent and the total installed memory {memSizeMB}. + + Warning and critical levels can be configured for the check. + +inventory: + One service per appliance will be created. + +perfdata: + The memory utilization value + +[parameters] +warning (float): The percentage of memory usage that triggers a warning level. +critical (float): The percentage of memory usage that triggers a critical level. + +[configuration] +netscaler_mem_default_levels (float, float): Default levels for warning and critical used + by inventorized checks. This is preset to {(80.0, 90.0)} + diff --git a/checks/netscaler_mem b/checks/netscaler_mem new file mode 100644 index 0000000..9bb54b1 --- /dev/null +++ b/checks/netscaler_mem @@ -0,0 +1,67 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2014 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. +# +# Example Output: +# .1.3.6.1.4.1.5951.4.1.1.41.2.0 13 +# .1.3.6.1.4.1.5951.4.1.1.41.4.0 7902 + +netscaler_mem_default_levels = (80.0, 90.0) + +def inventory_netscaler_mem(info): + if info: + return [ (None, 'netscaler_mem_default_levels') ] + +def check_netscaler_mem(_no_item, params, info): + used_mem_perc, total_mem_mb = map(float, info[0]) + warn_perc, crit_perc = params + total_mem = total_mem_mb * 1024 * 1024 + warn, crit, used_mem = map(lambda s: s * total_mem / 100.0, params + (used_mem_perc,) ) + infotext = "%s (%d%%) of %s" % ( get_bytes_human_readable(used_mem), used_mem_perc, + get_bytes_human_readable(total_mem) ) + perfdata = [ ("mem", used_mem, warn, crit, 0, total_mem ) ] + + state = 0 + if used_mem >= crit: + state = 2 + infotext += " (levels at %.1f%%/%.1f%%)" % (warn_perc, crit_perc) + elif used_mem >= warn: + state = 1 + infotext += " (levels at %.1f%%/%.1f%%)" % (warn_perc, crit_perc) + + return state, infotext, perfdata + +check_info["netscaler_mem"] = { + "check_function" : check_netscaler_mem, + "inventory_function" : inventory_netscaler_mem, + "service_description" : "Memory used", + "has_perfdata" : True, + "group" : "netscaler_mem", + "snmp_info" : (".1.3.6.1.4.1.5951.4.1.1.41", [ # nsResourceGroup + 2, # resMemUsage + 4, # memSizeMB + ]), + "snmp_scan_function" : lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.5951.1"), +} diff --git a/pnp-templates/check_mk-netscaler_mem.php b/pnp-templates/check_mk-netscaler_mem.php new file mode 120000 index 0000000..64bb7b4 --- /dev/null +++ b/pnp-templates/check_mk-netscaler_mem.php @@ -0,0 +1 @@ +check_mk-juniper_screenos_mem.php \ No newline at end of file diff --git a/web/plugins/perfometer/check_mk.py b/web/plugins/perfometer/check_mk.py index 52ae655..37da111 100644 --- a/web/plugins/perfometer/check_mk.py +++ b/web/plugins/perfometer/check_mk.py @@ -956,6 +956,7 @@ perfometers['check_mk-esx_vsphere_hostsystem.mem_usage'] = perfometer_simple_mem perfometers['check_mk-brocade_mlx.module_mem'] = perfometer_simple_mem_usage perfometers['check_mk-innovaphone_mem'] = perfometer_simple_mem_usage perfometers['check_mk-juniper_screenos_mem'] = perfometer_simple_mem_usage +perfometers['check_mk-netscaler_mem'] = perfometer_simple_mem_usage perfometers['check_mk-arris_cmts_mem'] = perfometer_simple_mem_usage perfometers["check_mk-juniper_trpz_mem"] = perfometer_simple_mem_usage diff --git a/web/plugins/wato/check_parameters.py b/web/plugins/wato/check_parameters.py index 3a394a9..e6e9fa8 100644 --- a/web/plugins/wato/check_parameters.py +++ b/web/plugins/wato/check_parameters.py @@ -2620,6 +2620,21 @@ register_check_parameters( register_check_parameters( subgroup_os, + "netscaler_mem", + _("Netscaler Memory Usage"), + Tuple( + title = _("Specify levels in percentage of total memory usage"), + elements = [ + Percentage(title = _("Warning at a usage of"), unit =_("% of RAM"), default_value = 80.0, maxvalue = 100.0 ), + Percentage(title = _("Critical at a usage of"), unit =_("% of RAM"), default_value = 90.0, maxvalue = 100.0 ) + ] + ), + None, + "first" +) + +register_check_parameters( + subgroup_os, "general_flash_usage", _("Flash Space Usage"), Alternative(