rally-openstack/samples/tasks/scenarios/cinder/create-and-update-readonly-flag.json

{
    "CinderVolumes.create_volume_and_update_readonly_flag": [
        {
            "args": {
                "size": 1,
                "read_only": true
            },
            "runner": {
                "type": "constant",
                "times": 3,
                "concurrency": 2
            },
            "context": {
                "users": {
                    "tenants": 2,
                    "users_per_tenant": 2
                }
            },
            "sla": {
                "failure_rate": {
                    "max": 0
                }
            }
        }
    ]
}