def ask_not_existing_hostname(project_root, environment)
      hostname = ask_hostname(project_root, environment)
      # Check if the node not exist
      if node_exists?(project_root, environment, hostname)
        error _('wizard.node.hostname_exist')
        ask_hostname(project_root, environment)
      else
        return hostname
      end
    end
def ask_not_existing_hostname(project_root, environment)
      hostname = ask_hostname(project_root, environment)
      # Check if the node not exist
      if node_exists?(project_root, environment, hostname)
        error _('wizard.node.hostname_exist')
        ask_hostname(project_root, environment)
      else
        return hostname
      end
    end
Keep asking for a hostname that not exist