code: def convert_fwdb(self, tenant_id, name, policy_id, fw_id):
          
          fw_dict = {'tenant_id': tenant_id, 'name': name, 'id': fw_id,
                     'firewall_policy_id': policy_id,
                     'admin_state_up': True}
          fw_data = {'firewall': fw_dict}
          return fw_data
docs: Convert the Firewall DB to a query response.
  
          From FWDB inputs, this will create a FW message that resembles the
          actual data from Openstack, when a query for FW is done.