transform JSON obj coming from Ariane to ariane_clip3 object
        :param json_obj: the JSON obj coming from Ariane
        :return: ariane_clip3 OS instance object

def json_2_os_instance(json_obj):
        """
        transform JSON obj coming from Ariane to ariane_clip3 object
        :param json_obj: the JSON obj coming from Ariane
        :return: ariane_clip3 OS instance object
        """
        LOGGER.debug("OSInstance.json_2_os_instance")
        return OSInstance(osiid=json_obj['osInstanceID'],
                          name=json_obj['osInstanceName'],
                          description=json_obj['osInstanceDescription'],
                          admin_gate_uri=json_obj['osInstanceAdminGateURI'],
                          osi_embedding_osi_id=json_obj['osInstanceEmbeddingOSInstanceID'],
                          osi_ost_id=json_obj['osInstanceOSTypeID'],
                          osi_embedded_osi_ids=json_obj['osInstanceEmbeddedOSInstancesID'],
                          osi_ip_address_ids=json_obj['osInstanceIPAddressesID'],
                          osi_nic_ids=json_obj['osInstanceNICsID'],
                          osi_application_ids=json_obj['osInstanceApplicationsID'],
                          osi_environment_ids=json_obj['osInstanceEnvironmentsID'],
                          osi_subnet_ids=json_obj['osInstanceSubnetsID'],
                          osi_team_ids=json_obj['osInstanceTeamsID'])