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Monitoring Asterisk with Icinga
Main What is Icinga?
How it works?
Monitoring agents check_by_ssh, check_by_nrpe.
Host and Services.
Existing Plugins.
Create custom plugins.
Preference Data from plugins.
Icinga is…Icinga 2 is an open source monitoring system which checks the availability of your network resources.(From Icinga site)
Icinga 1 is a Nagios fork and it is compatible with Nagios Plugins.
Icinga 2 is rewritten from scratch and is compatible Nagios Plugins to.
Icinga is very flexible and extensible.
Multithreaded and scalable for small embedded systems as well as large scale environments
A lot of plugins already exists and it is very simple to create your custom plugin.
Icinga 2 PackagesDebian Upstream, DebMon, Icinga Repository
Ubuntu Upstream, Icinga PPA, Icinga Repository
RHEL/CentOS Icinga Repository
OpenSUSE Icinga Repository, Server Monitoring Repository
SLES Icinga Repository
Gentoo Upstream
FreeBSD Upstream
ArchLinux Upstream
Icinga UI.Three kind of UI exist today.
Classic UI.
Icinga Web.
Icinga Web 2.
How it works?Icinga server and Modules.
Icinga check agents. Check by SSH check by NRPE.
Plugins. Nagios plugins and custom plugins.
Icinga ServerMultithreaded and scalable for small embedded systems as well as large scale environments.
Real-time monitoring capabilities. Can run checks every second.
Modularity just enable or disable module and run reload.
Live Status protocol. You can query Icinga to get info.
DB IDO (Database Icinga Data Output)
Icinga Checks
Agent less checks. Http, Ping, SSH.
Agent Based Checks. Agents use plugins
check_by_ssh, check_by_nrpe
Icinga Agents
Check By SSH.
Check By NRPE (Nagios Remote Plugin Executor).
NSClient++ (For Windows and Linux).
SNMP (Cisco routers not only).
Check by ssh
Icinga server
check_by_ssh plugin
CheckCommand “by_ssh”
ssh automatic connection
Asterisk inbound Asterisk outbound
Asterisk ss7
ssh server
ssh server ssh server
Check by nrpe
Icinga 2 serverAsterisk inbound
check_nrpe plugin
Nrpe serverNrpe checkNrpe check
Nagios plugins
Nrpe server
CheckCommand “by_nrpe”
CheckCommand “nrpe”
Nagios plugins
Asterisk outbound
xinetd xinetd
Icinga Plugins
Nagios Plugins http://exchange.nagios.org/
https://www.monitoringexchange.org/
Icinga Plugins https://exchange.icinga.org/
Custom Plugins.
Custom Plugins.
Plugin Directory.
Plugin.
Command inside nrpe.conf.
Custom PluginIf (CRITICAL STATE){
echo "CRITICAL: Current calls 60 and critical alert is 55 | 'critlimit‘=55 'curcalls‘ = 60” ;
exit(2);
} else
If (WARNING STATE){
echo “WARNING: Current calls 45 and warning alert is 40 | ‘warnlimit‘=40 'curcalls‘ = 45” ;
exit(1);
}else {
echo "OK - Current calls 15 | 'calls'= 15”;
exit(0);
}
Performance DataIcinga2-enable-future prefdata.
Spool Dir /var/spool/icinga2/perfdata/
File name for host data: host-perfdata.<timestamp>
File name for Service data : service-perfdata.<timestamp>
Graphing Add-ons
PNP4nagius (PrefdataWriter )
InGraph (PrefdataWriter )
Graphite (GraphiteWriter)
The End
