[checkmk-commits] 3789 f5_bigip_snat: new check for source NAT monitoring

Module: check_mk Branch: master Commit: 1d1b534c45fc6958d6686554bb36d8284ac52579 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=1d1b534c45fc69… Author: Andreas Boesl &lt;ab(a)mathias-kettner.de&gt; Date: Tue Aug 23 13:19:02 2016 +0200 3789 f5_bigip_snat: new check for source NAT monitoring --- .werks/3789 | 9 +++++ ChangeLog | 1 + checkman/f5_bigip_snat | 16 +++++++++ checks/f5_bigip_snat | 92 ++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 118 insertions(+) diff --git a/.werks/3789 b/.werks/3789 new file mode 100644 index 0000000..679d9c5 --- /dev/null +++ b/.werks/3789 @@ -0,0 +1,9 @@ +Title: f5_bigip_snat: new check for source NAT monitoring +Level: 1 +Component: checks +Compatible: compat +Version: 1.4.0i1 +Date: 1471951106 +Class: feature + + diff --git a/ChangeLog b/ChangeLog index b5c9dc5..e734b4a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -134,6 +134,7 @@ * 3777 ipmi: IPMI sensor states are configurable * 3778 if: now levels for discards rate are configurable * 3788 f5_big_pool: check is now cluster ready + * 3789 f5_bigip_snat: new check for source NAT monitoring * 3073 FIX: windows agent: relative paths to mrpe scripts are now treated as relative to the agent installation directory... * 3061 FIX: mk_jolokia: Fixed debugging of the agent plugin * 3074 FIX: windows agent: fixed incorrect values for 32-bit performance counters diff --git a/checkman/f5_bigip_snat b/checkman/f5_bigip_snat new file mode 100644 index 0000000..acd42dd --- /dev/null +++ b/checkman/f5_bigip_snat @@ -0,0 +1,16 @@ +title: F5 Big-IP: Source NAT +agents: snmp +catalog: hw/network/f5 +license: GPL +distribution: check_mk +description: + The check queries the MIB tables of F5 BIG-IP load balancers (local traffic + managers) and collects statistical information about the source NAT. + It shows the number if incoming and outgoing bytes and packets, the connection rate + and the current connections. + +perfdata: + Incoming/Outgoing bytes and packet. The connection rate and the current connections. + +inventory: + One check is generated per source NAT. diff --git a/checks/f5_bigip_snat b/checks/f5_bigip_snat new file mode 100644 index 0000000..64a8e66 --- /dev/null +++ b/checks/f5_bigip_snat @@ -0,0 +1,92 @@ +#!/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- +# tails. 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. + +def parse_f5_bigip_snat(info): + snats = {} + for line in info: + name = line[0] + snats.setdefault(name, {}) + snats[name].setdefault("if_in_pkts" , []).append(int(line[1])), + snats[name].setdefault("if_out_pkts" , []).append(int(line[2])), + snats[name].setdefault("if_in_octets" , []).append(int(line[3])), + snats[name].setdefault("if_out_octets" , []).append(int(line[4])), + snats[name].setdefault("connections_rate" , []).append(int(line[5])), + snats[name].setdefault("connections" , []).append(int(line[6])), + return snats + +def inventory_f5_bigip_snat(parsed): + for name, snat in parsed.items(): + yield name, None + +def check_f5_bigip_snat(item, _no_params, parsed): + if item in parsed: + snat = parsed[item] + + summed_values = {} + now = time.time() + # Calculate counters + for what in [ + "if_in_pkts", + "if_out_pkts", + "if_in_octets", + "if_out_octets", + "connections_rate", + ]: + summed_values.setdefault(what, 0) + for idx, entry in enumerate(snat[what]): + rate = get_rate("%s.%s" % (what, idx), now, entry) + summed_values[what] += rate + + # Calculate sum value + for what, function in [ ("connections", sum) ]: + summed_values[what] = function(snat[what]) + + perfdata = map(lambda x: (x[0], x[1]), summed_values.items()) + + # Current number of connections + yield 0, "Client connections: %d" % summed_values["connections"], perfdata + + # New connections per time + yield 0, "Rate: %.2f/sec" % summed_values["connections_rate"] + +check_info["f5_bigip_snat"] = { + "parse_function" : parse_f5_bigip_snat, + "check_function" : check_f5_bigip_snat, + "inventory_function" : inventory_f5_bigip_snat, + "service_description" : "Source NAT %s", + "has_perfdata" : True, + "snmp_info" : (".1.3.6.1.4.1.3375.2.2.9.2.3.1", [ + "1", #ltmSnatStatName + "2", #ltmSnatStatClientPktsIn + "3", #ltmSnatStatClientBytesIn + "4", #ltmSnatStatClientPktsOut + "5", #ltmSnatStatClientBytesOut + "7", #ltmSnatStatClientTotConns + "8", #ltmSnatStatClientCurConns + ]), + "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(), +}