On Friday, July 12, 2013 7:48:36 AM UTC-5, Ivailo Tanusheff wrote:
>
> Hi,
>
> I have stupid situation that I may workaround but I think there is an
> elegant way to deal with.
> Still I need the community help.
>
> In some class X I have:
> $control = {
> dev => {
> id => 7,
> name => 'GG'
> },
> prod => {
> id => 1,
> name => 'Info'
> }
> }
>
> In some other class, which I apply to a node I have defined file from a
> templete, where I want to use those values depending on the zone property.
>
> <%
> $zone = scope.lookupvar('y::_zone')
> $c_data = scope.lookupvar('x::control[${zone}]')
> -%>
>
> The zone property is OK and equals to dev.
> I can't access the $c_data as in looks like nil (undefined).
> And I need to output something as:
>
> ID=<%= $c_data['id'] %>
>
> which fails with error Detail: undefined method `[]' for nil:NilClass
>
> Can you give me a hint/help?
>
You must ensure that class X has been declared before the template that
references its variables is evaluated. Supposing that class X is nowhere
declared via the parameterized-style syntax, you might accomplish that like
so:
class z {
include 'x'
include 'y'
$result = template('my_template.tmpl')
}
John
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