Hi,

you cannot use http-01 challenges for wildcard certificates. You need
to use the dns-01 challenge type for that. (This is a policy decision
by Let's Encrypt.)

How that works depends on how your DNS setup. Ansible needs to be able
to create/update the DNS TXT record _acme_challenge.domain.name for
this. (If you feel uncomfortable to give Let's Encrypt access to it,
you can also use a CNAME record and use
https://github.com/joohoi/acme-dns. Haven't tried that with Ansible
though.)

> <https://www.digitalocean.com/community/tutorials/how-to-acquire-a-let-s-encrypt-certificate-using-ansible-on-ubuntu-18-04>

Interesting, I haven't seen that. One remark: you should change the
step which creates the http-01 challenge files slightly by adding

  when: item in acme_challenge_your_domain['challenge_data']

to it. (Also see the examples in the module docs:
https://docs.ansible.com/ansible/latest/modules/acme_certificate_module.html#examples)

> Obviously... You can't name a file with a '*' in it's name.

Actually, you can; you can even have a newline in a filename. But
that's never a good idea ;-) And won't help you here, since you can't
get wildcard certificates with the http-01 challenge.

Cheers,
Felix

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