Instead of modifying add_host to ignore case, why not just pass the values
through the jinja2 'lower' filter when passing them to add_host in your
playbook? You can even do something like the following to de-dupe with
existing inventory hosts:
{{ (list_with_new_hosts | map("lower")) | difference(groups.all |
map("lower")) }}
This will give you a list of hosts that only exist in the new list, taking
into account case differences, with all results in lowercase.
Andrew Gaffney
agaffney.org
On Wed, Apr 11, 2018 at 8:37 AM, Marek Slebodnik <mslebod...@gmail.com>
wrote:
> Hello,
>
> I've got playbook with dynamic inventory. And what bothers me is, that
> add_host is case sensitive.
>
> So when I have in my initial inventory
> ----
> kserVer3
> ---
> and tasks which which returns hostname from VCS cluster, returns:
> ['Kserver3', 'KServer4']
>
> I end up with inventory.
>
> -------
> kserVer3
> Kserver3
> Kserver4
> -------
> And as kserver3 and Kserver3 are same host.
>
> What I would suggest is additional add_host: attributes.
>
> e.g. *ignore_case: True*,
> and then final inventory would be
> ---
> kserVer3
> Kserver4
> ---
> and *ireplace_hostname: True*
> with result
> ---
> Kserver3
> Kserver4
> ---
>
> Before I start implementation, I would appreciate other's opinions.
>
> Regards
> Marek Slebodnik
>
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