RHEL8 support for dns-rfc2136

[devinmatte]

Affected Puppet, Ruby, OS and module versions/distributions

• Puppet: 5.5.22
• Ruby: 2.5.5p157
• Distribution: RHEL8
• Module version: 6.0.0

How to reproduce (e.g Puppet code you use)

class { 'letsencrypt':
      package_ensure    => 'latest',
      config            => {
        email  => 'example@email.com',
        server => $acme_server,
      },
      renew_cron_ensure => 'present',
    }

    class { 'letsencrypt::plugin::dns_rfc2136':
      server     => 'ns1.site.com',
      key_name   => 'csh_star',
      key_secret => $key_secret,
      propagation_seconds => $propagation_seconds,
    }

    letsencrypt::certonly { 'csh.rit.edu':
      domains => $domains,
      plugin  => 'dns-rfc2136',
    }

What are you seeing

Error: Execution of '/usr/bin/dnf -d 0 -e 1 -y install python2-certbot-dns-rfc2136' returned 1: Error: Unable to find a match: python2-certbot-dns-rfc2136
Error: /Stage[main]/Letsencrypt::Plugin::Dns_rfc2136/Package[python2-certbot-dns-rfc2136]/ensure: change from 'purged' to 'present' failed: Execution of '/usr/bin/dnf -d 0 -e 1 -y install python2-certbot-dns-rfc2136' returned 1: Error: Unable to find a match: python2-certbot-dns-rfc2136

What behaviour did you expect instead

Install or check for python3-certbot-dns-rfc2136 on RHEL8

Output log

Any additional information you'd like to impart