Am 03.01.2018 um 19:09 schrieb Chris Boot:
[..] import data into Icinga2 from various sources [..] I'd like to avoid
avoid using Icinga Director [..]
IMHO there is no better tool for tracking history than the Icinga
Director, especially when your configuration is going to be influenced
by a bunch of external sources. Disclaimer: I'm definitively biased ;-)
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?
Parse-time VS run-time, it's... complicated. This should do the job:
globals.getSlaFromHost = function (hostname) {
var host = get_host(hostname);
if (host) {
return host.vars.sla;
} else {
return null;
}
}
object Host "ipmi.example.com" {
vars.sla = {{ return globals.getSlaFromHost("linux.example.com"); }}
}
The function is optional, you can of course place all the code within
those double brackets. Please note that this variable never really has a
value, but carries an anonymous function. It will be evaluated at check
time, so when using $sla$ in your CheckCommand everything should work as
expected. But please do not expect to see this variable in the IDO,
Icinga Web 2 to will show "sla: Object of type 'Function'".
Eventually one of our core developers can jump in with a better
solution, this here is just the first one that came to my mind.
Cheers,
Thomas
--
Thomas Gelf
Principal Consultant
NETWAYS GmbH | Deutschherrnstr. 15-19 | D-90429 Nuernberg
Tel: +49 911 92885-0 | Fax: +49 911 92885-77
CEO: Julian Hein, Bernd Erk | AG Nuernberg HRB18461
http://www.netways.de | thomas.g...@netways.de
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