[checkmk-commits] Check_MK Git: check_mk: #2127 haproxy.frontend, haproxy.server: new checks and agent plugin for HAProxy

Module: check_mk Branch: master Commit: f850f78bf51962bb0d29390c664552c1c6af1565 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=f850f78bf51962… Author: Goetz Golla &lt;gg(a)mathias-kettner.de&gt; Date: Mon Jul 6 14:39:03 2015 +0200 #2127 haproxy.frontend, haproxy.server: new checks and agent plugin for HAProxy --- .werks/2127 | 8 +++ ChangeLog | 1 + agents/plugins/mk_haproxy.freebsd | 5 ++ checkman/haproxy.frontend | 22 ++++++++ checkman/haproxy.server | 19 +++++++ checks/haproxy | 104 +++++++++++++++++++++++++++++++++++++ modules/catalog.py | 1 + web/plugins/metrics/check_mk.py | 15 +++++- 8 files changed, 174 insertions(+), 1 deletion(-) diff --git a/.werks/2127 b/.werks/2127 new file mode 100644 index 0000000..0f1ad38 --- /dev/null +++ b/.werks/2127 @@ -0,0 +1,8 @@ +Title: haproxy.frontend, haproxy.server: new checks and agent plugin for HAProxy +Level: 1 +Component: checks +Compatible: compat +Version: 1.2.7i3 +Date: 1436186276 +Class: feature + diff --git a/ChangeLog b/ChangeLog index e754917..c0bf304 100644 --- a/ChangeLog +++ b/ChangeLog @@ -8,6 +8,7 @@ * 2448 Various Checks for Citrix XenApp 7.x Farms... * 2399 agent_vsphere/esx_vsphere_counters.if: now also reports interface state, bandwidth and mac address... * 1262 check_dns, check_ldap, check_smtp: It is now possible to customize the service descriptions of this checks.... + * 2127 haproxy.frontend, haproxy.server: new checks and agent plugin for HAProxy * 2315 FIX: windows agent: BOM replacement, fixed incorrect byte offset... * 2316 FIX: windows agent: fix garbled output of cached agent plugins... * 2358 FIX: check_mk_agent.solaris: more correct computation of zfs used space... diff --git a/agents/plugins/mk_haproxy.freebsd b/agents/plugins/mk_haproxy.freebsd new file mode 100755 index 0000000..c56c85a --- /dev/null +++ b/agents/plugins/mk_haproxy.freebsd @@ -0,0 +1,5 @@ +if [ -r /var/run/haproxy.stat ]; then + echo "<<<haproxy:sep(44)>>>" + echo "show stat" | socat - UNIX-CONNECT:/var/run/haproxy.sock +fi + diff --git a/checkman/haproxy.frontend b/checkman/haproxy.frontend new file mode 100644 index 0000000..7d39231 --- /dev/null +++ b/checkman/haproxy.frontend @@ -0,0 +1,22 @@ +title: HAProxy: Status of the Frontends +agents: freebsd +catalog: hw/app/haproxy +license: GPL +distribution: check_mk +description: + + This check monitors the status of the frontends of the HAProxy loadbalancer + for TCP and HTTP connections. It requires the mk_haproxy.freebsd agent plugin + to be installed on the FreeBSD host to be monitored. + + The check is {OK} if the frontend has the status {OPEN}. It is {CRIT} + otherwise. + +item: + The name of the frontend. + +inventory: + One service for each frontend is created. + +perfdata: + The session rate of the frontend. diff --git a/checkman/haproxy.server b/checkman/haproxy.server new file mode 100644 index 0000000..2bba86a --- /dev/null +++ b/checkman/haproxy.server @@ -0,0 +1,19 @@ +title: HAProxy: Server Status +agents: freebsd +catalog: hw/app/haproxy +license: GPL +distribution: check_mk +description: + + This check monitors the status of the servers of the HAProxy loadbalancer + for TCP and HTTP connections. It requires the mk_haproxy.freebsd agent + plugin to be installed on the FreeBSD host to be monitored. + + The check is {OK} if the server indicates the status {UP} and either {active} + or {backup}. It is {CRIT} otherwise. + +item: + The name of backend and server, separated by a "/". + +inventory: + One service for each server is created. diff --git a/checks/haproxy b/checks/haproxy new file mode 100644 index 0000000..e761263 --- /dev/null +++ b/checks/haproxy @@ -0,0 +1,104 @@ +#!/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 from agent: +# <<<haproxy:sep(44)>>> +# # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime, +# https_t3test.tgic.de,FRONTEND,,,0,0,2000,0,0,0,0,0,0,,,,,OPEN,,,,,,,,,1,2,0,,,,0,0,0,0,,,,0,0,0,0,0,0,,0,0,0,,,0,0,0,0,,,,,,,, +# https_t3test.tgic.de,BACKEND,0,0,0,0,200,0,0,0,0,0,,0,0,0,0,UP,0,0,0,,0,363417,0,,1,2,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,,0,0,0,0,0,0,-1,,,0,0,0,0, +# t3test,t3test,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP,1,1,0,0,0,363417,0,,1,3,1,,0,,2,0,,0,L4OK,,0,0,0,0,0,0,0,0,,,,0,0,,,,,-1,,,0,0,0,0, + + +def inventory_haproxy_frontend(info): + for line in info: + if line[1] == "FRONTEND": + yield line[0], None + +def check_haproxy_frontend(item, _no_params, info): + for line in info: + if line[1] == "FRONTEND" and line[0] == item: + now = time.time() + status = line[17] + stot = int(line[7]) + session_rate = get_rate("sessions.%s" % item, now, stot) + + infotext = "%s, Session Rate: %.2f/s" % (status, session_rate) + perfdata = [ ("session_rate", session_rate) ] + + if status == "OPEN": + state = 0 + else: + state = 2 + + return state, infotext, perfdata + + +check_info["haproxy.frontend"] = { + 'check_function' : check_haproxy_frontend, + 'inventory_function' : inventory_haproxy_frontend, + 'service_description' : 'HAProxy Frontend %s', + 'has_perfdata' : True, +} + + +def inventory_haproxy_server(info): + for line in info: + if line[1] != "BACKEND" and line[1] != "FRONTEND" and not line[0].startswith("#"): + item = "%s/%s" % (line[0], line[1]) + yield item, None + +def check_haproxy_server(item, _no_params, info): + backend, server = item.split("/") + for line in info: + if line[0] == backend and line[1] == server: + status = line[17] + uptime = get_age_human_readable(int(line[23])) + layer_check = line[36] + active = int(line[19]) + backup = int(line[20]) + + if status == "UP" and (active or backup): + state = 0 + else: + state = 2 + + infotext = "%s since %s, Layer Check: %s" % \ + (status, uptime, layer_check) + if active: + infotext += ", active" + elif backup: + infotext += ", backup" + else: + infotext += ", neither active nor backup (!!)" + return state, infotext + + +check_info["haproxy.server"] = { + 'check_function' : check_haproxy_server, + 'inventory_function' : inventory_haproxy_server, + 'service_description' : 'HAProxy Server %s', +} diff --git a/modules/catalog.py b/modules/catalog.py index f3d1174..6900d46 100644 --- a/modules/catalog.py +++ b/modules/catalog.py @@ -106,6 +106,7 @@ manpage_catalog_titles = { "citrix" : "Citrix", "netscaler" : "Citrix Netscaler", "exchange" : "Microsoft Exchange", + "haproxy" : "HAProxy Loadbalancer", "java" : "Java (Tomcat, Weblogic, JBoss, etc.)", "libelle" : "Libelle Business Shadow", "lotusnotes" : "IBM Lotus Domino", diff --git a/web/plugins/metrics/check_mk.py b/web/plugins/metrics/check_mk.py index 52184f2..d13d663 100644 --- a/web/plugins/metrics/check_mk.py +++ b/web/plugins/metrics/check_mk.py @@ -1136,6 +1136,12 @@ metric_info["inactive_sessions"] = { "color" : "13/a", } +metric_info["session_rate"] = { + "title" : _("Session Rate"), + "unit" : "1/s", + "color" : "#4080a0", +} + metric_info["shared_locks"] = { "title" : _("Shared locks"), "unit" : "count", @@ -3188,6 +3194,13 @@ perfometer_info.append({ perfometer_info.append({ "type" : "logarithmic", + "metric" : "session_rate", + "half_value" : 50.0, + "exponent" : 2, +}) + +perfometer_info.append({ + "type" : "logarithmic", "metric" : "uptime", "half_value" : 2592000.0, "exponent" : 2, @@ -4874,7 +4887,7 @@ graph_info.append({ "title" : _("Livestatus Requests per Connection"), "metrics" : [ ( "livestatus_request_rate,livestatus_connect_rate,/#88aa33", "area", - _("Averate requests per connection")), + _("Average requests per connection")), ], })