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_nodelist.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_nodelist') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    conf_file = '/etc/pve/corosync.conf'
+    node_list = {}
+    current_node = nil
+    # rubocop:disable Metrics/BlockNesting
+
+    if File.exist?(conf_file)
+      File.foreach(conf_file) do |line|
+        if line =~ /^\s*node\s*\{/
+          current_node = {}
+        elsif line =~ /^\s*\}/
+          if current_node
+            node_name = current_node['name']
+            node_list[node_name] = current_node if node_name
+            current_node = nil
+          end
+        elsif current_node && line =~ /^\s*(\w+):\s*(.+)$/
+          key = Regexp.last_match(1).strip
+          value = Regexp.last_match(2).strip
+          current_node[key] = value
+        end
+      end
+    end
+
+    # rubocop:enable Metrics/BlockNesting
+
+    node_list.empty? ? nil : node_list
+  end
+end