feat: manage proxmox nodes

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

modules/libs/lib/facter/pve_cluster.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_cluster') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    conf_file = '/etc/pve/corosync.conf'
+    totem_details = {}
+    in_totem_section = false
+
+    if File.exist?(conf_file)
+      File.foreach(conf_file) do |line|
+        if line =~ /^\s*totem\s*\{/
+          in_totem_section = true
+        elsif line =~ /^\s*\}/ && in_totem_section
+          break
+        elsif in_totem_section && line =~ /^\s*(\w+):\s*(.+)$/
+          key = Regexp.last_match(1).strip
+          value = Regexp.last_match(2).strip
+          totem_details[key] = value
+        end
+      end
+    end
+
+    totem_details.empty? ? nil : totem_details
+  end
+end