Hi all,
I'm working on converting my organisation's monitoring from Nagios to
Icinga2. We'd like to import data into Icinga2 from various sources so
that we can automate configuring hosts and services much more than we
reasonably could with Nagios.
I really do mean data, rather than whole hosts or services here. Some of
the information will come from PuppetDB, including for example the
hardware manufacturer and model for servers, some grouping information,
or whether various services are known to be running on the host. This
allows us to spawn for example a Dell OMSA check on Dell PowerEdge
servers and only produce notifications out of working hours for those
servers with the appropriate SLAs.
I'd like to avoid using Icinga Director: we want to keep all the manual
config in files kept under version control, we just want to augment this
configuration with data.
The current approach I've got is to use Puppet to generate an Icinga
configuration file snippet which is included into the configuration.
Host and/or service templates can pick up this data and do what they
want with it. When the file changes on disk, Puppet reloads Icinga. This
seems to work surprisingly well.
Firstly: is there a better way of doing this kind of thing that I might
have missed?
Further to this, some servers have, for example, an IPMI controller that
we want to create a separate Host object for in Icinga. We'd like to set
up SLAs on these hosts to be the same as the Linux host which the IPMI
controller is embedded in. I ran into an issue when using get_host()
from such Host objects in that it returns null despite the "parent" host
having been declared previously. For example:
object Host "linux.example.com" {
import "linux-host"
vars.sla = "foobar"
}
object Host "ipmi.example.com" {
import "ipmi-host"
var parent = get_host("linux.example.com")
# ^ will often be null
vars.sla = parent.vars.sla # <= this is what we want to do
}
Is there a way of achieving the same result that might work better?
Many thanks,
Chris
--
Chris Boot
bo...@boo.tc
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