On 12/12/18 4:26 pm, Kai Stian Olstad wrote:
>> I understood Ansible basically used the Python language within Jinja2.
>> What's the difference between these two lines?
>>
>> {{hostvars[item].volume_size | default(100) | int}}
>> {{hostvars[item].get('volume_size',100) | int}}
> All software have bugs and the Ansible way is probably used by most and have
> therefore been thoroughly tested.
> So the easiest way to check that out is to test it.
As explained, I'm unable to test because `ec2_instance` tries to clobber
an existing instance instead of creating a new one.
I also see that both call the `| int` filter in `jinja2`. So assuming
`jinja2` is doing its job, the return value in *both* cases should be an
`int`. `boto3` thinks though it is getting a `str`, which leads me to
believe something in between `jinja2` and `boto3` is casting it *back*
to a `str`.
>From `jinja2`'s perspective, there's no such thing as the "Ansible way",
it's *all* Python. I therefore have trouble understanding what's
happening behind the scenes.
--
Stuart Longland (aka Redhatter, VK4MSL)
I haven't lost my mind...
...it's backed up on a tape somewhere.
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