The other way we typically recommend doing this is to pass the array of
whatever as a role parameter. For example:
roles:
- { role: foo, list_of_whatever: [...] }
and then loop over that list_of_whatever variable inside the roles tasks.
On Thu, Jul 10, 2014 at 7:27 AM, Michael DeHaan <[email protected]> wrote:
> "you cannot execute a role conditionally, you CAN pass a condition to
> every task in a role."
>
> True!
>
> - { role: asdf, when: foo == 'asdf' }
>
> Another good trick is group_by is a great way to create a small group of
> hosts where a given condition is true or false, and then you just apply
> that role to that group.
>
> - hosts: all
> tasks:
> - group_by: key=foo_{{ foo }}
>
> # talk to all hosts where the value of foo is asdf
> - hosts: foo_asdf
> roles:
> - asdf
>
>
>
>
>
> On Thu, Jul 10, 2014 at 7:26 AM, Brian Coca <[email protected]> wrote:
>
>> you cannot execute a role conditionally, you CAN pass a condition to
>> every task in a role.
>>
>> role and include directives are basically 'preprocessing macros' they are
>> used to include other files into main play.
>>
>>
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