I'd like to use template() to concatenate some files. I read this question, which is fine if you know exactly how many files you want to concat. What if I just have an array of input file names?
$files = ['mymod/a.erb', 'mymod/b.erb', 'mymod/c.erb'] file { "/var/foo/final": content => template ($files) # <-- error, can't convert Array to String } I'd like to avoid having to write a parser function.
This is not possible at the moment. There was a Puppet issue submitted for it and a fix proposed but does not seem like there's any rush to implement it.
As a possible workaround, you could have one template include others:
<% @template_array.each do |val| -%> <% scope.function_template(val) %> <% end -%> Forewarning, I have not tested this but I believe it should work.
template() function from inside Proper Ruby. If so, you could actually skip the extra file and go straight for inline_template('@arr.reduce ("") { |str, f| str + scope.function_template(f) }') inline_template but this is a use case that may be appropriate. defined type that is instantiated in large numbers), this will cause a measurable performance hit. Apart from some boiler plate, a custom function will really not be that much more code, but saves CPU.