{
    "Dummy.openstack": [
        {
            "args": {
                "sleep": 0.1
            },
            "runner": {
                "type": "constant",
                "times": 4,
                "concurrency": 2
            },
            "context": {
                "users": {
                    "tenants": 1,
                    "users_per_tenant": 2
                },
                "volumes": {
                    "size": 1,
                    "volumes_per_tenant": 4
                }
            }
        }
    ]
}