[checkmk-commits] Check_MK Git: check_mk: #1849 netscaler_dnsrates: new check for DNS statistics of Citrix Netscaler Loadbalancers

Module: check_mk Branch: master Commit: 36654c5552b1e2d69b7ed7183f91b88e892a33d8 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=36654c5552b1e2… Author: Goetz Golla &lt;gg(a)mathias-kettner.de&gt; Date: Sat Jan 17 09:57:17 2015 +0100 #1849 netscaler_dnsrates: new check for DNS statistics of Citrix Netscaler Loadbalancers --- .werks/1849 | 9 ++++ ChangeLog | 1 + checkman/netscaler_dnsrates | 37 +++++++++++++++++ checks/netscaler_dnsrates | 76 ++++++++++++++++++++++++++++++++++ web/plugins/wato/check_parameters.py | 29 +++++++++++++ 5 files changed, 152 insertions(+) diff --git a/.werks/1849 b/.werks/1849 new file mode 100644 index 0000000..36d1323 --- /dev/null +++ b/.werks/1849 @@ -0,0 +1,9 @@ +Title: netscaler_dnsrates: new check for DNS statistics of Citrix Netscaler Loadbalancers +Level: 1 +Component: checks +Compatible: compat +Version: 1.2.7i1 +Date: 1421484970 +Class: feature + + diff --git a/ChangeLog b/ChangeLog index 70c00fb..12aa031 100644 --- a/ChangeLog +++ b/ChangeLog @@ -37,6 +37,7 @@ * 1841 fileinfo, fileinfo.groups: new parameter for selecting ranges of the time of the day... * 1668 Interface groups: Can create groups out of interface item names... * 1669 mrpe program check_16bit_program.cc: Monitors 16 bit programs on windows... + * 1849 netscaler_dnsrates: new check for DNS statistics of Citrix Netscaler Loadbalancers * 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_dnsrates b/checkman/netscaler_dnsrates new file mode 100644 index 0000000..9a56bf8 --- /dev/null +++ b/checkman/netscaler_dnsrates @@ -0,0 +1,37 @@ +title: Citrix Netscaler DNS Rates +agents: snmp +catalog: app/netscaler +license: GPL +distribution: check_mk +description: + + This check monitors various DNS counter rates of the Citrix Netscaler + Loadbalacing Appliance. It uses the {NS-ROOT-MIB} to access the + {nsDnsServerStatsGroup} via SNMP. + + Monitored counter rates are the total DNS queries and the total DNS + answers (aka replies). + + Warning and critical levels can be configured for each of the rates. + +inventory: + One service per loadbalancer device will be created. + +perfdata: + The counter rates of the monitored counters. + +item: + The name of counter. + +[parameters] +parameters(dict): parameters is a dictionary with a key for each monitored counter. + + {"query_rate"}: a tuple of warning and critical levels. + + {"answer_rate"}: a tuple of warning and critical levels. + + The numbers are integers and represent the counter increase per second. + +[configuration] +netscaler_dnsrates_default_levels(dict): This variable is preset to +{{ "query_rate": (1500.0, 2000.0), "answer_rate": (1500.0, 2000.0) }} diff --git a/checks/netscaler_dnsrates b/checks/netscaler_dnsrates new file mode 100644 index 0000000..1f672b9 --- /dev/null +++ b/checks/netscaler_dnsrates @@ -0,0 +1,76 @@ +#!/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: +# .1.3.6.1.4.1.5951.4.1.1.53.1.1.0 13 +# .1.3.6.1.4.1.5951.4.1.1.53.1.2.0 11 + +factory_settings["netscaler_dnsrates_default_levels"] = { + "query": (1500.0, 2000.0), + "answer": (1500.0, 2000.0), +} + +def inventory_netscaler_dnsrates(info): + if info: + return [ (None, 'netscaler_dnsrates_default_levels') ] + +def check_netscaler_dnsrates(_no_item, params, info): + queries, answers = map(int, info[0]) + + now = time.time() + for name, counter in [ + ( "query", queries ), + ( "answer", answers ) ]: + + rate = get_rate(name, now, counter) + warn, crit = params[name] + infotext = "%s rate %.1f/sec" % (name, rate) + perfdata = [ (name+"_rate", rate, warn, crit, 0) ] + + state = 0 + if rate >= crit: + state = 2 + elif rate >= warn: + state = 1 + if state > 0: + infotext += " (levels are %.1f/%.1f /sec)" % (warn, crit) + + yield state, infotext, perfdata + +check_info["netscaler_dnsrates"] = { + "check_function" : check_netscaler_dnsrates, + "inventory_function" : inventory_netscaler_dnsrates, + "service_description" : "DNS rates", + "has_perfdata" : True, + "group" : "netscaler_dnsrates", + "snmp_info" : (".1.3.6.1.4.1.5951.4.1.1.53.1", [ # nsDnsServerStatsGroup + 1, # dnsTotQueries + 2, # dnsTotAnswers + ]), + "snmp_scan_function" : lambda oid: oid(".1.3.6.1.2.1.1.2.0").startswith(".1.3.6.1.4.1.5951.1"), + "default_levels_variable" : "netscaler_dnsrates_default_levels", + +} diff --git a/web/plugins/wato/check_parameters.py b/web/plugins/wato/check_parameters.py index 2e287fe..8ae9352 100644 --- a/web/plugins/wato/check_parameters.py +++ b/web/plugins/wato/check_parameters.py @@ -7503,3 +7503,32 @@ register_check_parameters( ), None, None ) + +register_check_parameters( + subgroup_applications, + "netscaler_dnsrates", + _("Citrix Netscaler DNS counter rates"), + Dictionary( + help = _("Counter rates of DNS parameters for Citrix Netscaler Loadbalancer " + "Appliances"), + elements = [ + ("query", + Tuple( + title = _("Upper Levels for Total Number of DNS queries"), + elements = [ + Float(title = _("Warning at"), default_value=1500.0, unit="/sec"), + Float(title = _("Critical at"), default_value=2000.0, unit="/sec")], + ), + ), + ("answer", + Tuple( + title = _("Upper Levels for Total Number of DNS replies"), + elements = [ + Float(title = _("Warning at"), default_value=1500.0, unit="/sec"), + Float(title = _("Critical at"), default_value=2000.0, unit="/sec")], + ), + ), + ] + ), + None, None +)