feat: manage proxmox nodes

- change /etc/hosts to meet proxmox requirements
- add proxmox node role
- add init, params, repo, install, clusterjoin classes

site/profiles/templates/base/hosts.erb

@@ -1,15 +1,10 @@
 # /etc/hosts file managed by Puppet
 
 # The following lines are desirable for IPv4 capable hosts
-127.0.0.1 <%= @fqdn %> <%= @hostname %>
+<%= @facts['networking']['ip'] %> <%= @fqdn %> <%= @hostname %>
 127.0.0.1 localhost.localdomain localhost
 127.0.0.1 localhost4.localdomain4 localhost4
 
-# The following lines are desirable for IPv6 capable hosts
-::1 <%= @fqdn %> <%= @hostname %>
-::1 localhost.localdomain localhost
-::1 localhost6.localdomain6 localhost6
-
 <% @additional_hosts.each do |host| -%>
 <%= host['ip'] %>  <%= host['hostname'] %>  <%= host['aliases'].join(' ') if host['aliases'] %>
 <% end -%>