So I need a variable in a child class to be visible to the parent
class and I'm wondering how I can do that? The docs say "You will
almost always find that you can avoid resetting variable values using
the built in conditionals:" but I guess this is one of those cases
where it just isn't possible:
node default {}
node testserver inherits default {
include testclasses <- (this is where I need
$var to be visible)
}
node test1.example.com inherits testserver {
$var = "host server name"
}
As far as I can tell, there's no way to include another node,
otherwise I could have "test1.example.com" include "testserver"
instead of inheriting. I can't set a variable in the parent class
from the child class because variables in puppet can only be set
once. And, the way it is right now, exactly as it is above, $var
evaluates to nil because the $var declaration is out of the scope of
the parent class.
I don't want to include "testclasses" in "test1.example.com" because
then I'm going to have to include it for every individual "testserver"
node defeating the whole purpose of inheritance, cluttering up the
config files and making it easier to make mistakes. So far, this is
the only way I've been able to get it to work but it's a kludge and
I'd prefer to avoid it.
I tried something like this as well:
node default {}
node testserver inherits default {
$var = ["text1", "text2"]
}
node test1.example.com inherits testserver {
$var += ["text3"]
}
but the parameter of the puppet type I'm trying to set with $var
(nagios_host: hostgroups) doesn't accept arrays. So if a child class
can append to an array in a parent class, is there a way to get the
string version of an array with all the elements concatenated together
with a "," in between each element? Either that or is there a way I
can get the "hostgroups" parameter in the "nagios_host" type to accept
arrays?
I feel like I've got to be missing something here. Thanks.
Scott
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