I don't think what you want to do is override a value at runtime, but
rather *create* a new group dynamically at runtime. Make a new group for
hosts that meet some arbitrary criteria. See the
group_by<http://docs.ansible.com/group_by_module.html>module -- I
think you'll find what you're looking for there.
On Sat, May 10, 2014 at 9:10 PM, JC <jcala...@gmail.com> wrote:
> Hi guys,
>
> Anyone know if you can completely override the hosts: value in a playbook?
>
> I don't use inventory files so I always just have this set to 'all'. But
> when I call a playbook from another playbook like this, for example:
>
> # Playbook1
> - name: Format EBS volumes
> hosts: ec2_group # coming from the ec2 module and add_host
> ...
>
> - include: playbook2.yml hosts=ec2_group
>
> or
>
> - { include: playbook2.yml, hosts: ec2_group }
>
> It works but then it also tries to run the playbook to the 'all' group
> (which is everything in my default hosts file). I want the 'all' value to
> be completely overridden by the new value I specified.
>
> Is there a better way to do this without creating an inventory file?
>
> Thanks
>
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