docs: def get_security_groups(conn, vm_):
      '''
      Return a list of security groups to use, defaulting to ['default']
      '''
      securitygroup_enabled = config.get_cloud_config_value(
          'securitygroup_enabled', vm_, __opts__, default=True
      )
      if securitygroup_enabled:
          return config.get_cloud_config_value(
              'securitygroup', vm_, __opts__, default=['default']
          )
      else:
          return False