undefined method `downcase' for nil:NilClass

[mcodenie]

It seems the latest commits have issues in regards to downcase method in RHEL 8.x.

==> default: Error: Evaluation Error: Error while evaluating a Function Call, Failed to parse template rsyslog/client/remote.conf.erb:
==> default:   Filepath: /tmp/vagrant-puppet/environments/local/local-modules/rsyslog/templates/client/remote.conf.erb
==> default:   Line: 8
==> default:   Detail: undefined method `downcase' for nil:NilClass
==> default:  (file: /tmp/vagrant-puppet/environments/local/local-modules/rsyslog/manifests/client.pp, line: 156, column: 18) on node rabbitmq
The SSH command responded with a non-zero exit status. Vagrant
assumes that this means the command failed. The output for this command
should be in the log above. Please read the output to determine what
went wrong.

Based on the test, without issues is the commit 1bab870db27221d48e2e958c81c9cd6435c57ffd or earlier.

  class { 'rsyslog::client':
    #require        => Exec['rhel-8-for-x86_64-appstream-rpms'],
    remote_servers => [
      {
        host => 'logs.example.org',
      },
      {
        port => '55514',
      },
      {
        host     => 'logs.somewhere.com',
        port     => '555',
        pattern  => '*.log',
        protocol => 'tcp',
        format   => 'RFC3164fmt',
      },
    ],
  }