Overwrite SSL certificates if settings are changed

[Xilonz]

Submit a feature request or bug report

• I've read the code of conduct
• This is a feature request
• This is a bug report
• This request isn't a duplicate of an existing issue
• I've read the project readme and followed them (if applicable)
• I've read the Trellis docs and followed them (if applicable)
• This is not a Trellis support request that should be posted on the Roots Discourse forums or Trellis' issue tracker
• This is not a Cloudflare support request that should be reported to Cloudflare support team

---

What is the current behavior?

When adding domains or changing the site_hosts the cloudflare_origin_ca doesn't get updated because {site_key}.pem already exists.
[FATAL] Certificate file "{site_key}.pem" already exists, use -overwrite to overwrite
This results in cloudflare not adding the origin ca to additional domains or updating the hostnames.

What is the expected or desired behavior?

I think this behavior should be documented and/or be resolved. A solution would be to allowing to overwrite the certificate file name or passing -overwrite using an argument.

[tangrufus]

I think this behavior should be documented

Agree. The readme needs to mention about how to renew/re-generate SSL cert.

In the meantime, see #40 (comment)