Here's some documentation on set theory filters that may help:
http://docs.ansible.com/playbooks_variables.html#id22
On Thu, Feb 20, 2014 at 1:25 PM, Stephen Gargan <steve.gar...@gmail.com>wrote:
>
> I'd like to be able to do the following, hopefully someone can point me to
> a simple way to do it.
>
> I have two lists, one contains vars for all hosts another vars for a
> specific host. I'd like to join them into a single list that can be
> iterated over in a template. I reuse the template so would rather it did
> not know about two separate lists.
>
> generic_vars: [ 'a', 'b', 'c' ]
> specific_vars: [ 'd', 'e' ]
>
> somehow I'd like to combine these into an all_vars variable, so that in
> the template I can do the following.
>
> mytemplate.json
>
> {
> "vars": [
> {% for v in all_vars %}
> "{{v}}"{% if not loop.last %},{% endif %}
> {% endfor %}
> ]
> }
>
> This is a patten that arises a lot for me so I'm probably going to write a
> module to do it. But I thought I'd check to see if there was a simple
> standard way of doing so before heading down that path.
>
> Is this something that can be easily done?
>
> thanks,
>
> Steve.
>
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