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Software Information

Icinga2 | add service to a hostgroup

Created: 27 July 2018 | Written by vincent | Print | Email | Hits: 6112

add a service to a hostgroup

i have a couple of Debian 9 "Server/Host/Client" they all should have some Basic Service Check like (apt, disk, mem, swap, procs, users, running_kernel, apt, ssh, iostat, ping4, fping4, tcp, udp, ssl, ntp_time)

because i don't want to add this check to each host i did define a hostgroup and add the hostgroupname to the host (--> "define Hostgroup & add Host to a Hostgroup")

Merci to rsx (Roland)

steps i have done...	icinga2 Master
went to the zone.d	# cd /etc/icinga2/zones.d/
crate a new directory	# mkdir services
went to the new directory	# cd /services or # cd /etc/icinga2/zones.d/services
open a new file	# vi service2debian9.conf
to check apt on all defined Debian 9 "Host/Server/Client"	apply Service "apt" { import "generic-service" check_command = "apt" assign where host.address && host.vars.os == "debian9" command_endpoint = host_name }
to Check swap	apply Service "swap" { import "generic-service" check_command = "swap" assign where host.address && host.vars.os == "debian9" command_endpoint = host_name }
Check it if it for error	# icinga2 daemon -C
if ok	# systemctl restart icinga2

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Sometimes all would be perfect but a Service is on a Host not needed or not available. so you will get a error. to avoid the error - just ignore the host like this	32 apply Service "swap" { 33 import "generic-service" 34 check_command = "swap" 35 36 assign where host.address && host.vars.os == "debian9" 37 ignore where host.name == "memoryalpha.kozo.ch" 38 command_endpoint = host_name 39 }
	# icinga2 daemon -C
	# systemctl restart icinga2

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Quellen/Source:
- 05-service-monitoring/#general-monitoring
- have a look and for my test
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Category: Icinga

Icinga2 | define Hostgroup & add Host to a Hostgroup

Created: 21 July 2018 | Written by vincent | Print | Email | Hits: 8253

Define a Hostgroup Debian for all your Debian 9 client and Server	# vi /etc/icinga2/conf.d/groups.conf		object HostGroup "debian9" { display_name = "Debian 9" assign where host.vars.os == "debian9" }

add definition to a Host	# cd /etc/icinga2/zones.d/master/	open your hostfile endig with *.conf	object Host "client.kozo.ch" { check_command = "hostalive" //check is executed on the master display_name = "client name text" address = "10.147.42.63" vars.os = "debian9" vars.client_endpoint = "name" //follows the convention that host name == endpoint name }

do a check if it is OK	# icinga2 daemon -C
and if OK - restart	# systemctl reload icinga2

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NOW --> add service to a hostgroup
-

modul-icinga-articlelist

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Category: Icinga

Path and Links to the documentation

Created: 20 July 2018 | Written by vincent | Print | Email | Hits: 6040

	# cd /etc/icinga2/conf.d	conf.d Directory (hosts.conf, services.conf, users.conf, notifications.conf, commands.conf, groups.conf, templates.conf, downtimes.conf, timeperiods.conf, api-users.conf, app.conf )
Service		icinga.com/docs/icinga2/latest/doc/09-object-types/#service


Warning/Critical	how to define +/-	Nagios Guideline (search for " Threshold and Ranges " )

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Category: Icinga

critical/icinga-app: Another instance of Icinga already running with PID

Created: 10 July 2018 | Written by vincent | Print | Email | Hits: 5909

critical/icinga-app: Another instance of Icinga already running with PID 10076 Add a comment

Category: Icinga

Icinga2 | Upgrade Information

Created: 10 July 2018 | Written by vincent | Print | Email | Hits: 5463

Icinga2 | Upgrade Information for Debian 9
Icinga2 Update/Upgrade information

Step	todo	comand	text	-
For a Client	check the Version you have	# icinga2 --version
0
		# wget -O - https://packages.icinga.com/icinga.key \| apt-key add -
		# vi /etc/apt/sources.list	deb http://packages.icinga.com/debian icinga-stretch main deb-src http://packages.icinga.com/debian icinga-stretch main
		# apt update -y



For the Master		# icinga2 --version		(version: r2.6.0-1) i do have
	First update to 2.7	# vi /etc/default/icinga2	ICINGA2_CACHE_DIR=/var/cache/icinga2
		# systemctl restart icinga2
	then to 2.8	# ls /usr/share/icinga2-ido-mysql/schema/upgrade/		ls should Show some *.SQL file
		# mysql -u root -p icinga < /usr/share/icinga2-ido-mysql/schema/upgrade/2.8.0.sql		and also if you have newer files too