Hi,
I am playing with Puppet 4 functions.
According to Henriks blog[1] one can provide information on number of arguments
for a function using arg_count inside the dispatch.
The following code will throw an error:
# modules/utils/lib/puppet/functions/resolver.rb
require 'socket'
Puppet::Functions.create_function(:resolver) do
dispatch :hostname do
arg_count 0, 0
end
def hostname()
Socket.gethostname
end
end
Error: Evaluation Error: Error while evaluating a Function Call, undefined
method `arg_count' for #<Puppet::Functions::DispatcherBuilder:0x00000004cbd280>
at
/etc/puppetlabs/code/environments/production/modules/functions/manifests/init.pp:2:15
on node puppetmaster.example.net
I had aloof on the functions.rb file in PC1
(/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/functions.rb).
No arg_count function is available.
Is arg_count a feature which will be available with an upcoming version?
Any other way to provide information regarding amount of arguments?
Best,
Martin
[1]
http://puppet-on-the-edge.blogspot.de/2015/01/the-puppet-4x-function-api.html
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