Icinga Camp Barcelona - Icinga

WWW.ICINGA.ORG

Icinga Camp Barcelona

27/02/2015

Icinga 2

Open Source Monitoring Redesigned

DEV. WIKI. BLOG. DOC. | WWW.ICINGA.ORG

#icinga

Me

• Michael Friedrich

• @dnsmichi, 31, Austrian

• Working @NETWAYS

• Icinga responsibilities

• Core 1.x & 2.x Developer

• Release Manager

• On the team since 2009

ICINGA 2 - INTRODUCTION


#icinga

Icinga 2 - Overview

• Stable Version: 2.2.4 (5.2.2015)

• Next major version: 2.3.0 (10.3.2015)

• Supports all major distributions

• New configuration format

• Compatible with plugins, addons, UIs

• Use packages!


#icinga

Icinga 2 - Overview

• Features (DB IDO, Livestatus, Graphite, …)

• Icinga Template Library (CheckCommands, …)

• Performance & Real-time monitoring

• Clients, Satellites, Distributed Monitoring & HA Clusters

• Too much for any presentation ;-)

ICINGA 2 – NEXT VERSION 2.3


#icinga

Icinga 2 – What’s new in 2.3

• Improved configuration validation

• New language features

• Additional ITL CheckCommand definitions

• CLI improvements (# icinga2 console)

• OpenTSDB support


#icinga

Icinga 2 – New languages features in 2.3

• User-defined functions

• Conditional statements (if/else)

• for/while loops

• Local variables (var keyword)

• Methods for types (e.g. array#sort())

• Access objects and their runtime attributes in functions

• Use functions as custom attribute values

ICINGA 2 - CONFIGURATION


#icinga

Icinga 2 – Configuration

# cd /usr/share/doc/icinga2-common*/syntax

# PREFIX=~/.vim

# mkdir –p $PREFIX/{syntax,ftdetect}

# cp vim/syntax/icinga2.vim $PREFIX/syntax/

# cp vim ftdetect/icinga2.vim $PREFIX/ftdetect/

# vim /etc/icinga2/icinga2.conf

• Use syntax highlighting!


#icinga


# yum install rlwrap

# rlwrap icinga2 console

• Use ‘icinga2 console’ to test values, functions, etc!

• https://www.icinga.org/resources/live-console/

• Install rlwrap

https://www.icinga.org/resources/live-console/


#icinga


• Get to know all the value types!


#icinga

Icinga 2 – Configuration: Constants

• PluginDir, MysqlPassword, SnmpCommunity, …


#icinga

Icinga 2 – Configuration: Templates

• Templates for generic attributes


#icinga

Icinga 2 – Configuration: Custom Attributes

• Numbers, Strings, Booleans, Arrays, Dictionaries

• Filters, Match Conditions, additional information


#icinga

Icinga 2 – Configuration: Commands

• Optional/conditional arguments, functions, default values


#icinga

Icinga 2 – Hosts and Services

• Checkable objects and attributes


#icinga

Icinga 2 – Configuration: Apply Services

• Match on (custom) attributes, names (assign)

• Exclude objects (ignore)

• For loops over arrays/dictionaries


#icinga

Icinga 2 – Configuration: Notifications

• Dynamic notification rules


#icinga

Icinga 2 – Configuration: Dependencies

• Host-on-Service, Service-on-Host, Classic


#icinga

Icinga 2 – Configuration: Conditionals

• If-then-else


#icinga

Icinga 2 – Configuration: Functions

• Use pre-defined or your own

• Custom attributes, command, argument values


#icinga

Icinga 2 – Configuration: Loops

• While, for and break/continue


#icinga

Icinga 2 – Configuration: Type methods

• Array#sort, Dictionary#contains, String#find, …

DEMO


#icinga

Icinga 2 – Demo

Get VirtualBox >= 4.2.16 && Vagrant >= 1.6.5

$ git clone --recursive https://github.com/Icinga/icinga-vagrant.git

$ cd icinga-vagrant

$ cd icinga2x-cluster

$ vagrant up

$ vagrant ssh icinga2a

$ vagrant ssh icinga2b

$> sudo –i

http://192.168.33.10 & http://192.168.33.20

https://github.com/Icinga/icinga-vagrant.git

http://192.168.33.10/

http://192.168.33.20/

CONCLUSION


Conclusion

• Getting started

• http://docs.icinga.org/icinga2

• Icinga 2 Standalone & Cluster Vagrant Boxes

• https://github.com/icinga/icinga-vagrant

• Snapshots and release builds

• http://packages.icinga.org

#icinga

http://docs.icinga.org/icinga2

https://github.com/icinga/icinga-vagrant

http://packages.icinga.org/


#icinga

Questions & Answers

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Icinga Camp Barcelona - Icinga