Forum: CFEngine Help
Subject: Re: Defining default vars
Author: Seva Gluschenko
Link to topic: https://cfengine.com/forum/read.php?3,23704,23705#msg-23705
David,
having Cfengine running 3 times across promises to feet all cases, you're
probably able to fit your goal as follows:
vars:
any::
v_1 string => "everywhere";
class_a::
v_1 string => "only if class_a applies";
class_b::
v_1 string => "only if class_b applies";
### Now want to define defaults for "index_2" and "index_3".
### Something like:
i2_undef::
v_1 string => "default index_2";
i3_undef::
v_1 string => "default index_3";
classes:
"i2_undef" not => isvariable("v_1");
"i3_undef" not => isvariable("v_1");
There are limitations for depth expansion, though, so that you'd better
evaluate with some test to make yourself known if it works.
Still, there's a chance that your goals can be achieved easier way. The complex
approach can usually be simplified.
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