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ZNagios provides the ability for Nagios and munin to tap into the Zope2 server and retrieve status and performance data.

Project Description

Overview

Nagios data

  • uptime
  • main database size
  • total reference count
  • errors in the root error log

Munin data

graphs provided by zeo_munin.py

clients
nr of zeo clients connected to zeo server
verifying
XXX help document
loadstores
nr of object loads and stores of the database

graphs provided by munin_client.py

uptime
uptime of the zope instance in days (1 hour is 0.041)
refcount
XXX help document
errors
total number of errors, conflicts and unresolved conflicts
activity
total number of object loads, stores and total number of database connections
cacheconnections
number of active and total objects for each connection
cachetotals
number of active objects of all connections (see cacheconnections above)
dbsize
size of the database in megabyte

Configure Nagios

Put a line like this in your nagios plugin configuration to make the plugin available:

command[check_zope]=/path/to/check_zope.py -H $ARG1$ -p $ARG2$ -d $ARG3$
-r $ARG4$ -a $ARG5$

Put a line like this in your nagios host configuration to use the:

service[maggie]=Zope;0;24x7;10;5;5;gocept;10;24x7;1;1;1;;check_zope!localhost!8080!50000000!10000!admin:password

Configure Nagios

To get the correct command configuration for “check_zope”, copy the zope.cfg into your plugin config directory (debian: /usr/share/nagios/pluginconfig) or the commands.cfg in /etc/nagios/.

Then you can make use of the check_zope command for services:

define service{
            use                     generic-service
            host_name               thezopehost
            service_description     Zope
            check_command           check_zope!thezopehost!8080!1000000000!500000!admin:password
}

Configure Munin

Configure Plugins

Add a configuration file to vim /etc/munin/plugin-conf.d/zope to tell the plugins how to connect to zeo server/clients:

[zope_*]
user root
env.MUNIN_ZOPE_HOST_instance1 http://localhost:8401/Control_Panel/munin
env.MUNIN_ZOPE_AUTHENTICATE_instance1 admin:admin
env.MUNIN_ZOPE_HOST_instance2 http://localhost:8402/Control_Panel/munin
env.MUNIN_ZOPE_AUTHENTICATE_instance2 admin:admin

[zeo_*]
user root
env.MUNIN_ZEO_HOST_ZEO1 localhost
env.MUNIN_ZEO_PORT_ZEO1 8502

Credits

Originally written by Christian Theune <ct at gocept dot com>.

Thanks for contributing ideas and code to:

  • Robrecht van Valkenburg (Pareto)
  • Martijn Pieters (Pareto)
  • Florian Schulze (independent)
  • Hanno Schlichting (Jarn)
  • Harald Friessnegger (Webmeisterei)
  • David Glick (Groundwire)

Changelog

0.7.3 (2017-03-22)

  • Always close connection when there is an exception/error in a probe. [bsuttor]
  • Python2.7 compatibility for munin_client.py [fRiSi]

0.7.2 (2016-09-26)

  • Use same way to get stats database than stats connection probes. [bsuttor]

0.7.1 (2015-08-11)

  • Do not get threads in stats probe. [bsuttor]
  • Fix beautify_return_values for date. [bsuttor]

0.7 (2015-07-17)

  • Add MANIFEST.in [bsuttor]
  • Fix stats probe for probe which are collection and other args [bsuttor]
  • Add stats probe [jfroche]

0.6 (2012-12-19)

  • Enable registration of znagios probes as zc.monitor utilities (using five.z2monitor)

0.5 - 2011-03-14

  • munin_client.py can handle multiple databases now. [davisagli]

0.4.2 - 2010-10-21

0.4.1 - 2010-06-14

  • fixed Control_Panel/munin for Zope >= 2.11 (conflict_error are not global anymore) [fRiSi]

0.4 - 2009-11-19

  • uptime is given in days now, instead of seconds which is much more readable. fetch still returns seconds for backward compatibility, but config tells to compute the value (uptime.cdef uptime,86400,/) [fRiSi]
  • zeo_munin.py can handle multiple Databases now [fRiSi]
  • Documented munin data and configuration in README [fRiSi]
  • Corrected labels in Per connection caches graph [fRiSi]
  • Added dbsize graph to munin_client.py [fRiSi]

0.3 - 2009-02-25

  • Changed an import of Zope.App to Zope2.App for compatibility with recent Zope versions. [hannosch]
  • Added package infrastructure. [hannosch]
  • Moved the source code from https://svn.gocept.com/repos/gocept/ZNagios/trunk to the svn.zope.org repository at revision 29315. [hannosch]

0.2 - 2008-05-26

  • Remove hard-coded authorization string. [ctheune]
  • A script for reading data from a ZEO monitor server. [ctheune]
  • Added basic munin support. [ctheune]
  • Original implementation.
Release History

Release History

This version
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0.7.3

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0.7.2

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0.7.1

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0.7

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0.6

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0.5

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0.4.2

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0.4.1

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0.4

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0.3

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