Add drupal check, Icinga
How to add an Drupal check to Icinga2
Command will be run on localhost machine, in order to run remotely do not forget to download a plugin and create a commands.conf record both on main and remote node.
Icinga
Understanding Icinga v2 - configuration files
Important configuration files
Binaries Directory:cd /usr/lib/nagios/plugins
Used to store binaries/scripts for a services, use./plugin_name -h
Add node at Icinga
Add icinga sources to apteditor /etc/apt/sources.list.d/icinga.list
adddeb http://packages.icinga.com/debian icinga-stretch main
deb-src http://packages.icinga.com/debian icinga-stretch main
Add icinga2 Check Commands
1. Define a particular check you like to add
- mysql
2. Check if plugin exist in /usr/lib/nagios/plugins
call a scripts with parameter -- help for more related informationcheck_mysql --help
Understanding Icinga
1 Hosts
- agent based connection to nodes
- PKI secure check
- adding hosts to zones.d/ via main zone folder, one per each node
- example of FGDN.conf file in /etc/icinga2/zones.d/zone.main.server.name/fqdn.of.node.conf
Icinga2
Check whether Icinga configuration is okicinga2 daemon -C
Check whether connection from node to master is establishednetstat | grep :5665