On Sat, Aug 04, 2012 at 03:10:11AM -0700, danielt wrote:
> Hi!
>
> I am trying to match a string in an ERB template but for what ever reason
> it does not work.
>
> <% if has_variable?("apache2_phpmyadmin_url") && apache2_phpmyadmin_url !=
> "" then %>
> ProxyPass /<%= apache2_phpmyadmin_url %>/ !
> <% end %>
>
> The conditional works on has_variable? but the != "" is not getting
> evaluated. When the variable is set to "" than the Proxypass is set to /
> instead of being left out.
>
> Any ideas what I am doing wrong?
>
> Best Regards,
>
> Dan
Are you sure the variable is an empty string? I just did a short test
myself and your example does work for me.
try to modify your ProxyPass line to
ProxyPass /<%= apache2_phpmyadmin_url.inspect %>/ !
This way an empty string should appear as "" and you may find out that
apache2_phpmyadmin_url does contain some spaces or is not a string at
all.
Sitenote: The documentation recommends to reference your variables as
instance variables [1] to avoid nameclashes with ruby functions [2].
This way your template could look like this
<% if @apache2_phpmyadmin_url and !@apache2_phpmyadmin_url.empty? -%>
ProxyPass /<%= @apache2_phpmyadmin_url %>/ !
<% end -%>
[1] http://docs.puppetlabs.com/guides/templating.html#referencing-variables
[2] http://projects.puppetlabs.com/issues/14527
-Stefan
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