On Tuesday, November 24, 2015 at 6:36:09 PM UTC-6, Matthew Ceroni wrote:
>
> I am having an issue accessing elements of a hash.
>
> First, it is defined in hiera as such:
>
> lb::rules:
> VCC: rule1
> GR: rule2
>
> I retrieve the value using
>
> $lb_rules = hiera('lb::rules')
>
> Then I simply try to print out one of the values
> ex:
>
> notify { "$lb_rules[VCC]": }
>
> But get
>
> Error 400 on SERVER: Evaluation Error: Missing title. The title expression
> resulted in undef at
> /etc/puppet/environments/sandbox/manifests/site.pp:14:11
>
> If I don't specify a key and instead do
>
> notify { "$lb_rules": }
>
> I get
>
> Error 400 on SERVER: Evaluation Error: Illegal title type at index 0.
> Expected String, got Hash[String, String]
>
> Confirming that lb_rules is a hash.
>
>
I've found that it's always a good idea to use the ${} form when you
interpolate a value into a string. Sometimes you don't actually need it,
but sometimes you do, and it's just easier to do it all the time. Thus,
notify { "${lb_rules[VCC]}": }
or, even better,
notify { "${lb_rules['VCC']}": }
John
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