[checkmk-commits] Check_MK Git: check_mk: f5_bigip_conns: new check to monitor number of current connections

Module: check_mk Branch: master Commit: 1123f9ba3330c98fcd4728853d66b360b3a28a86 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=1123f9ba3330c9… Author: Götz Golla &lt;gg(a)mathias-kettner.de&gt; Date: Mon Jan 13 13:07:01 2014 +0100 f5_bigip_conns: new check to monitor number of current connections --- .werks/79 | 7 +++ ChangeLog | 1 + checkman/f5_bigip_conns | 34 ++++++++++++++ checks/f5_bigip_conns | 83 ++++++++++++++++++++++++++++++++++ web/plugins/wato/check_parameters.py | 29 ++++++++++++ 5 files changed, 154 insertions(+) diff --git a/.werks/79 b/.werks/79 new file mode 100644 index 0000000..ad5ea3f --- /dev/null +++ b/.werks/79 @@ -0,0 +1,7 @@ +Title: f5_bigip_conns: new check to monitor number of current connections +Level: 1 +Component: checks +Version: 1.2.5i1 +Date: 1389614781 +Class: feature + diff --git a/ChangeLog b/ChangeLog index a411a03..4e1b87d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -37,6 +37,7 @@ * 0077 cmciii.psm_current, cmciii_psm_plugs, cmciii_io, cmciii.access, cmciii.temp, cmciii.can_current, cmciii.sensor, cmciii.state: new sub checks included in one new check cmcmiii superseding and improving several previous checks of the Rittal CMCIII device... NOTE: Please refer to the migration notes! * 0078 job: check now monitors the time since last start of the job, limits can be configured in WATO + * 0079 f5_bigip_conns: new check to monitor number of current connections * 0103 FIX: services: Fixed bug with service inventory defined in main.mk... * 0299 FIX: borcade_mlx_fan: Prettified output, handling "other" state now * 0300 FIX: cisco_fru_power: Trying not to inventorize not plugged in FRUs... diff --git a/checkman/f5_bigip_conns b/checkman/f5_bigip_conns new file mode 100644 index 0000000..6629dd8 --- /dev/null +++ b/checkman/f5_bigip_conns @@ -0,0 +1,34 @@ +title: F5 Big-IP: number of current connections +agents: snmp +catalog: hw/network/f5 +license: GPL +distribution: check_mk +description: + The check queries the MIB tables of F5 BIG-IP loadbalancers (local traffic managers) + for the number of current connections and the number of current ssl connections. + + It supports devices running the 9.0 and above releases of the F5 OS. It's tested against 9.3 + devices. + + Warning and critical limits can be given for both types of data. + + The check is supported by WATO. + +inventory: + The check has two items per host, the number of connections, and the number of ssl connections + +perfdata: + The value: the number of current connections + +[parameters] +parameters(dict): parameters is a dictionary with two keys + + {"conns"}: the number of connections from {sysStatClientCurConns } + + {"sslconns"}: the number of ssl connections from {sysClientsslStatCurConns } + +[configuration] +f5_bigip_conns_default_levels(dict): This variable is preset to {{ "conns": ( 25000, 30000 ) }, "sslconns": ( 25000, 30000 )} + + + diff --git a/checks/f5_bigip_conns b/checks/f5_bigip_conns new file mode 100644 index 0000000..09e6eb1 --- /dev/null +++ b/checks/f5_bigip_conns @@ -0,0 +1,83 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2013 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. + + +# {iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 3375 bigipTrafficMgmt(2) bigipSystem(1) sysGlobals(1) sysGlobalStats(2) sysGlobalStat(1) sysStatClientCurConns(8)} + +# {iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 3375 bigipTrafficMgmt(2) bigipSystem(1) sysGlobals(1) sysGlobalStats(2) sysGlobalClientSslStat(9) sysClientsslStatCurConns(2)} + + +# f5_bigip_conns_default_levels = ( 25000, 30000 ) +factory_settings["f5_bigip_conns_default_levels"] = { + "conns": ( 25000, 30000 ), + "sslconns": ( 25000, 30000 ), +} + + +def inventory_f5_bigip_conns(info): + inventory = [] + if info[0][0]: + inventory.append( ( "Open Connections", {} ) ) + if info[0][1]: + inventory.append( ( "Open SSL Connections", {} ) ) + + return inventory + +def check_f5_bigip_conns(item, params, info): + if item == "Open Connections": + warn, crit = params.get("conns") + conns = int(info[0][0]) + elif item == "Open SSL Connections": + warn, crit = params.get("sslconns") + conns = int(info[0][1]) + else: + return 3, "no such item" + + infotext = "Number %d (limits %d/%d)" % (conns, warn, crit) + perfdata = [ ("conns", conns, warn, crit ) ] + if conns > crit: + state = 2 + elif conns > warn: + state = 1 + else: + state = 0 + + return (state, infotext, perfdata) + +check_info["f5_bigip_conns"] = { + 'check_function' : check_f5_bigip_conns, + 'inventory_function' : inventory_f5_bigip_conns, + 'service_description' : 'Open Connections', + 'has_perfdata' : True, + 'default_levels_variable' : "f5_bigip_conns_default_levels", + 'snmp_info' : ( '.1.3.6.1.4.1.3375.2.1.1.2', [ + '1.8', # sysStatServerCurConns + '9.2', # sysClientsslStatCurConns + ] ), + 'snmp_scan_function' : lambda oid: '.1.3.6.1.4.1.3375.2' in \ + oid(".1.3.6.1.2.1.1.2.0") and "big-ip" in \ + oid(".1.3.6.1.4.1.3375.2.1.4.1.0").lower(), +} diff --git a/web/plugins/wato/check_parameters.py b/web/plugins/wato/check_parameters.py index 72898f8..06307eb 100644 --- a/web/plugins/wato/check_parameters.py +++ b/web/plugins/wato/check_parameters.py @@ -2661,6 +2661,35 @@ register_check_parameters( register_check_parameters( subgroup_applications, + "f5_connections", + _("F5 Loadbalancer Connections"), + Dictionary( + elements = [ + ( "conns", + Tuple( + title = _("Max. number of connections"), + elements = [ + Integer(title = _("Warning if above"), default_value = 25000 ), + Integer(title = _("Critical if above"), default_value = 30000 ) , + ] + ) + ), + ( "ssl_conns", + Tuple( + title = _("Max. number of ssl connections"), + elements = [ + Integer(title = _("Warning if above"), default_value = 25000 ), + Integer(title = _("Critical if above"), default_value = 30000 ), + ] + ) + ), + ]), + None, + "dict" +) + +register_check_parameters( + subgroup_applications, "dbsize", _("Size of MySQL/PostgresQL databases"), Optional(