Thanks very much.
It would be great if the template doc page (
https://docs.puppet.com/puppet/5.3/lang_template.html) gave more guidance
on epp vs erp, use cases for each and possible gotchas like this.
On Fri, Oct 6, 2017 at 4:17 PM, Henrik Lindberg <henrik.lindb...@puppet.com>
wrote:
> On 06/10/17 11:28, Daniel Urist wrote:
>
>> I've noticed in classes with multiple templates that ERB variables seem
>> to share a single scope. That caught me by surprise-- is that intended
>> behavior?
>>
>>
> Intended or not - that is the behavior, and this is Ruby so it is possible
> to mutate things that should be immutable.
>
> There is great responsibility when writing code in ERB because of the
> generality and power available in Ruby. Suggest using EPP instead where
> problems like this one does not occur.
>
> Best,
> - henrik
>
> Here's a simple test case:
>>
>> class erb_scope_test (
>> )
>> {
>> $myarr1 = [ 'one' ]
>> $myarr2 = [ 'two' ]
>>
>> $str1 = inline_template("<%= @myarr1.concat(@myarr2) %>")
>> notify { $str1: }
>>
>> $str2 = inline_template("<%= @myarr1.concat(@myarr2) %>")
>> notify { $str2: }
>> }
>>
>> Notice: ["one", "two"]
>> Notice: ["one", "two", "two"]
>>
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