feat: add vmcluster module (#363)

- manage vmstorage package, service and environment file
- manage vmselect package, service and environment file
- manage vminsert package, service and environment file
- manage vmagent package, service and environment file
- manage options for vmstorage, vmselect, vminsert, vmagent role

Reviewed-on: #363

modules/libs/lib/facter/consul_node_token.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require 'puppet'
+
+Facter.add('consul_node_token') do
+  setcode do
+    token_file = '/root/.config/consul_node_token'
+    begin
+      File.read(token_file).strip
+    rescue StandardError
+      nil
+    end
+  end
+end