Default Icinga2 installation comes with
/etc/icinga2/conf.d/hosts/localhost.conf, being host definition:
object Host "localhost" {
import "generic-host"
address = "127.0.0.1"
address6 = "::1"
vars.os = "Linux"
vars.sla = "24x7"
}
It also comes with some services defined for this host, in
/etc/icinga2/conf.d/hosts/localhost/ directory - for example,
/etc/icinga2/conf.d/hosts/localhost/load.conf (other being apt.conf,
disk.conf, http.conf etc.):
object Service "load" {
import "generic-service"
host_name = "localhost"
check_command = "load"
vars.sla = "24x7"
}
As it is logical for just one host, it implicates quite many config
edits if we want to add more hosts with a similar approach:
1) we have to add /etc/icinga2/conf.d/hosts/server1.example.com.conf
file for every new server (it is OK)
2) we have to add a new directory,
/etc/icinga2/conf.d/hosts/server1.example.com/ with service definitions
apt.conf, disk.conf, http.conf etc.) (it is OK)
3) we have to correct "host_name = " line in every service definition in
/etc/icinga2/conf.d/hosts/server1.example.com/ - it can be quite a lot
of changes, error-prone, if edited manually
What are better approaches to achieve the same effect? Say, is it
possible to just copy a directory with service definitions in
/etc/icinga2/conf.d/hosts/server1.example.com/ for ever new host, but to
use some special variable like "host_name = $server$"?
--
Tomasz Chmielewski
http://www.sslrack.com
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