Thanks for the pointer Michael, here's what I ended up doing.
{
"combined": [ "{{first_list | union(second_list) | join('", "')}}"]
}
On Thursday, 20 February 2014 10:27:38 UTC-8, Michael DeHaan wrote:
>
> 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
> <[email protected]<javascript:>
> > 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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