On 2015-14-05 12:58, Alessandro Franceschi wrote:
Hi all,
sorry to bother, I should probably search around better but I'm quite
confident that I can find here a quick solution.
I've this issue: https://github.com/example42/puppi/issues/123 in a
function which tries to use the hiera function as follows:
value = function_hiera(["#{module_name}_#{var_name}", ''])
The error message comes from the 3.x API hiera class in
lib/parser/functions/
|Error: Evaluation Error: Error while evaluating a Function Call, hiera() has
been converted to 4x API|
Wha's the syntax to use an API4 function inside a function?
Maybe should I move the function in my module from
lib/puppet/parser/functions to lib/puppet/functions and edit something?
If you change your function to use the 4.x API then it can call any
function (3.x or 4.x) using the method call_function. This works from
3.7.5 (earlier version had a problem in calling a 3.x function from 4.x
- see https://tickets.puppetlabs.com/browse/PUP-3548).
For the 4.x function API see the language specification.
You can support both 3.x. and 4.x by just adding a 4.x function with the
same name. 4.x. functions have higher precedence when using future
parser (and 4.x. functions are not visible at all when not using future
parser).
If you really do not want to migrate the function to the 4.x. API then
you could write a utility class to perform the call - the logic to do
this is is here:
https://github.com/puppetlabs/puppet/blob/master/lib/puppet/pops/evaluator/runtime3_support.rb#L234
Regards
- henrik
Thanks * for any help
al
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