rally-openstack/samples/tasks/scenarios/keystone/create-and-delete-service.json

{
    "KeystoneBasic.create_and_delete_service": [
    {
            "args": {
                "service_type": "Rally_test_type",
                "description": "test_description"
            },
            "runner": {
                "type": "constant",
                "times": 100,
                "concurrency": 10
            },
            "sla": {
                "failure_rate": {
                    "max": 0
                }
            }
        }
    ]
}