Stare at your own problem long enough and it'll come to you.
Move the case to the manifest:
class yum {
:
case $site {
'a': { $proxy = 'proxya' }
'b': { $proxy = 'proxyb' }
'c': { $proxy = 'proxyc' }
:
default: { $proxy = '' }
}
Then change the "$proxy" to "@proxy" in the templates and lose the first
line (scope.function_template()). Worked like a charm.
Then I realized the data actually belonged in Hiera, not in code, so the
case statement then just decomposed into:
$proxy = hiera('proxy')
Bret
On Friday, January 17, 2014 10:43:36 AM UTC-5, Bret Wortman wrote:
>
> I'm trying to improve my code reuse a bit, and I have some templates that
> all start with a common case statement to determine a local proxy (I'm
> simplifying the file slightly for our discussion here):
>
> file: proxy.erb
> <% proxy = case @site
> when "a" then "proxya"
> when "b" then "proxyb"
> when "c" then "proxyc"
> when "d" then "proxyd"
> end -%>
>
> This gets included in each template something like this:
>
> file: CentOS-Base.repo.erb
> <%= scope.function_template(["yum/proxy.erb"]) -%>
> :
> [base]
> name=CentOS-$releasever - Base
> :
> <% if $proxy -%>
> proxy=http://<%= $proxy %>:3128
> <% end -%>
> :
>
> The problem is that the "proxy" variable isn't visible from the outer
> scope. How can I either qualify the outer reference to see it, or somehow
> export it? Is this possible in some other fashion? I don't want to repeat
> this code across all the various repo files; adding a proxy shouldn't mean
> editing every single repo file template when it could mean editing just one
> file that gets included somehow. At least, that's the goal.
>
> Thanks!
>
>
> Bret
>
>
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