{
    "CinderVolumes.create_and_attach_volume": [
        {
            "args": {
                "size": 10,
                "image": {
                    "name": "^cirros.*uec$"
                },
                "flavor": {
                    "name": "m1.nano"
                }
            },
            "runner": {
                "type": "constant",
                "times": 5,
                "concurrency": 1
            },
            "context": {
                "users": {
                    "tenants": 2,
                    "users_per_tenant": 2
                }
            }
        }
    ]
}