transform ariane_clip3 OS Instance object to Ariane server JSON obj
        :return: Ariane JSON obj

def ip_address_2_json(self):
        """
        transform ariane_clip3 OS Instance object to Ariane server JSON obj
        :return: Ariane JSON obj
        """
        LOGGER.debug("IPAddress.ip_address_2_json")
        json_obj = {
            'ipAddressID': self.id,
            'ipAddressIPA': self.ip_address,
            'ipAddressFQDN': self.fqdn,
            'ipAddressOSInstanceID': self.ipa_os_instance_id,
            'ipAddressSubnetID': self.ipa_subnet_id,
        }
        return json.dumps(json_obj)