site_basic.pp

#   - Warning if pp_role not defined
#   - Check to see if the role exists
#   - Fall back to using the base profile
node default {

  # Save the role fact into a local variable
  $role = $facts['role']

  case $role {
    default: {

      # Check if the role class has been defined.
      # Include it if so. If not, include the base profile and a warning.
      if defined($role) {
        include $role
      } else {
        notify { "No matching role for ${role} found":
          loglevel => 'warning',
        }
        include profile::base
      }

    }
    undef, '': {
      notify { "${trusted['certname']} does not have a role fact!":
        loglevel => 'warning',
      }
      include profile::base
    }
  }

}