def get_fw_dev_map(self, fw_id):
        """Return the object dict and mgmt ip for a firewall. """
        for cnt in self.res:
            if fw_id in self.res.get(cnt).get('fw_id_lst'):
                return self.res[cnt].get('obj_dict'), (
                    self.res[cnt].get('mgmt_ip'))
        return None, None
Return the object dict and mgmt ip for a firewall.