There is another way: you can put "foo: '{{ default_foo }}' in defaults, and
only set default_foo in the per-OS variables
Antoine Jacoutot <ajacou...@bsdfrog.org> napisał:
>On Thu, Jan 22, 2015 at 10:59:18AM -0800, James Martin wrote:
>> Antoine,
>> Let's say for example you have your foobar role, and
>> #defaults/main.yml
>> foobar_port: 42
>> And let's say you have an inventory group called "foobar" which is
>a
>> list of all your foobar hosts.
>> By using the group_by module
>> (http://docs.ansible.com/group_by_module.html) in a previous
>play, you
>> can dynamic create a group based on the OS (or any other fact)
>> Enter code here...
>> - group_by: key=machine_{{ ansible_distribution }}
>> You would also have a
>> #group_vars/machine_Ubuntu
>> foobar_port: 43
>> and a
>> #group_vars/machine_CentOS
>> foobar_port: 44
>> That would render the 43 or 44, overriding the default role value
>and
>> be dependent on the OS.
>
>Hi James and thanks for the quick answer.
>
>I already tried what you proposed but my issue is that the role ended
>not being self-contained.
>i.e. I had to put the default os values under
>/etc/ansible/group_vars/machine_* instead of within the role hierarchy.
>
>Or is there a way that I missed?
>Thanks.
>
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>Antoine
>
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