NetEye Conference on Nagios: Reinhard Scheck explains Cacti Open Source Performance Monitoring.

1. Cacti
Open Source Performance Monitoring
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2. Why?
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3. The Theory
FCAPS ITIL
Fault Service Support Incident, Problem Mgmt
Configuration Service Support Configuration Mgmt
Accounting Service Delivery Financial Mgmt
Performance Service Delivery Capacity, Service Level Mgmt
Security Service Delivery Security Mgmt
Cacti Core Functionality
Provided via Plugins
Not provided by Cacti
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4. The Goal
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FAULT management:
“operations” must have
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SERVICE LEVEL management:
“customer” must have
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PERFORMANCE management:
“budget” must have
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no fault = no problem?
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5. An Example
measure it
or
forget it!
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6. The Agenda
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Why?
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Cacti Architecture
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Templates
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Plugins
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The Future
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7. Cacti Architecture: The Eco­System
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8. The Architecture
Router
PBX
Browser Cacti Poller
Server
42
42 Application
rrd
rrd
MySQL rrd
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9. The Architecture
Router
PBX
Browser Cacti Poller
Server
42
Application
MySQL
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10. The Features
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Single server setup, agent­less
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Browser based for admin and user
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Fast, extensible data collector
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Template engine, template repository
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Plugin Architecture, plugin repository
● Scalable  400k data sources
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11. The User Interface
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12. Templates
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13. Templates ­ why?
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easily handle multiple devices of same type
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Router, Switch, Firewall, Loadbalancer, ...
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File Server, Filer, NAS, SAN, ...
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DNS, DHCP, Web Server, ...
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don't repeat administrative tasks
over and over again
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define global properties as a single template
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propagate changes to all targets
in one click
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14. Network Traffic Template
Daily
Weekly
Monthly
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15. Templates for Non­Network Systems
Printer Fax Server
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16. Templates – where to get them
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hundreds of templates available, e.g.
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DNS, DHCP, Radius, httpd, squid, Tomcat, ...
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Router, Switches, Load Balancers, Filers, ...
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Temperature, Weather Sensors, ...
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Cacti “Scripts and Templates” forum
http://forums.cacti.net/forum­12.html
and “Template Repository”
http://docs.cacti.net/templates
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Download ... import ... GO!
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17. Plugins
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18. The Plugin Architecture
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defines hooks
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embedding into menu structure
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allows access to Cacti SQL tables
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hooks into the poller
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extends Cacti to suite your needs
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Download ... enable ... GO!
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19. THOLD – Threshold Monitoring
absolute
thresholds
Host status floating
thresholds
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20. Reportit – report tabular data
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Tabular representation; daily, weekly, quarterly ...
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Custom calculations, multiple sort options
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Multitude of Charts available
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Scales up to thousands of data sources
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21. Autom8 – creates Graphs and Trees
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Rule based ­ flexible matching
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One Click Administration
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22. Weathermap
Custom
backgrounds
Hovering
graphs
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23. Plugins – where to get them
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The Cacti Community shares dozens of plugins
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MacTrack – tracks MAC and IP addresses
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Nectar – emails your favorite graphs
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QuickTree – a shopping basket for graphs
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Syslog – centralized logging
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...
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Cacti “Plugin Announcement” forum
http://forums.cacti.net/forum­19.html
and “Plugin Repository”
http://docs.cacti.net/plugins
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24. The Future
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25. Large Scale Installations
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Cacti goes (extremely) large scale
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Multiple installations > 100,000 data sources
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Biggest known > 400,000 data sources
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Polling interval = 5 minutes!
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required resources:
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BOOST plugin, predecessor of rrdcached
fast bulk rrd updates
(disk performance!)
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Use of MySQL memory tables
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26. Integration
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Built­in Plugin Architecture, finally!
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Command Line Interface
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Completely rewritten CLI support
to e.g. allow interfacing a CMDB
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Works on Data queries, Devices, Graphs, Trees
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User and permission support
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Template Import
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27. Web 2.0 – AJAX and CSS
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Cacti 0.8.8 uses jQuery
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e.g. colorpicker
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Improved admin performance
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Autocomplete fields
to avoid loading e.g. 100s devices in a dropdown
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Drag n' drop item reordering
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Tabbed views
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Re­sizable menu and columns
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new tree design
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28. Internationalization
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Available now in
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English, Bulgarian, French, German, Spanish,
Swedish, Russian, Japanese, Trad. Chinese,
unfortunately not yet in Italian
Translators welcome!
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Automatic language detection
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Time zone support
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29. Full RRDTool Support
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Goal: support almost any available RRDTool
feature with next major Cacti release
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Cacti 0.8.8 will support e.g.
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Right axis, manual/automatic scaling, grid­fitting
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Every colortag, full font support, watermarks, ...
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Templated x­grid support (time axis)
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Dash support, borders, font smoothing,
pango markup
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COMPUTE data source
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30. Roadmap ­ Cacti 0.8.9
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Full support for multiple polling intervals
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RRA templates/grouping (still designing)
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Online Repository/Warehouse
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Template packages
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More data query XML resources into the database
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Import scripts along with templates in one go
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Support author information and version checking
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31. Roadmap ­ Cacti 0.9.0
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Integration of Boost into base code
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Event management sub system
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Logging to database
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Introduce the site concept
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Distributed polling
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More to come, stay tuned ...
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32. Vibrant User Community
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33. Vibrant User Community
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~ 60.000 Visitors/month
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~ 26.000 registered users
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~ 185.000 Posts
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> 200 Doc Pages
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34. Links
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Main Site http://www.cacti.net
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Documentation http://docs.cacti.net
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Forum http://forums.cacti.net
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Bug Tracker http://bugs.cacti.net
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Resources http://docs.cacti.net/template
http://docs.cacti.net/plugins
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CactiEZ http://cactiuser.org/
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35. The Team
Larry J. Adams
J.P. Pasnak
Reinhard Scheck
Ian Berry Tony Roman
Jimmy Conner
Not shown: ●
Chris Bell
●
Andreas Braun ●
Marlene Weiss
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36. Questions,
please!
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37. Implement Custom Scripts
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protocols
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e.g. wget, SOAP ,
telnet, ssh, ...
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programming
language
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e.g. Shell, Perl,
PHP , Java ...
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38. Templates defined – The Data Template
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MIN, MAX
acceptable value
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Interval size
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type:
GAUGE,
COUNTER, ...
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39. Templates defined – The Graph Template
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Title,
x and y­axis
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Legends
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Lines, areas,
colors,
horizontal rules
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...
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40. Templates defined – The Host Template
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Related
Graph Templates
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Data Queries
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