On 01/27/2012 10:08 AM, no-re...@cfengine.com wrote:
> Forum: CFEngine Help
> Subject: Re: bundles: can a class argument be passed?
> Author: davidlee
> Link to topic: https://cfengine.com/forum/read.php?3,24675,24680#msg-24680
>
> Thanks for the responses, which have been helpful.
>
> Now I think about it, my wish for a 'class' argument is really more like a
> boolean "something-or-other" that I can use in as class-like selector. So
> Todd's example probably provides me with a good way to get going.
>
> Overall I try to avoid having two bundles which do almost the same thing. In
> such a case it is far better design practice to have a single bundle with a
> controlling argument.
>
> (My actual application will then go on to call a choice of two further quite
> different "edit_line" bundles, depending on that incoming argument.)
Here is one that works like that, just play with commenting/uncommenting
the some_class_name expressions in the main bundle.
--
Nick Anderson <n...@cmdln.org>
body common control {
bundlesequence => {
"main",
};
inputs => {
"cfengine_stdlib.cf",
};
}
bundle agent main {
classes:
#"some_class_name" expression => "windows";
#"some_class_name" expression => "linux";
methods:
some_class_name::
"any" usebundle => test("yes");
!some_class_name::
"any" usebundle => test("no");
}
bundle agent test(class_arg) {
classes:
"something_special" expression => regcmp ("yes", "$(class_arg)");
vars:
something_special::
"var_local"
string => "true",
policy => "free";
!something_special::
"var_local"
string => "false",
policy => "free";
reports:
cfengine::
"the value of var_local is $(var_local)";
}
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