{ "NovaAggregates.create_and_update_aggregate": [ { "args": { "availability_zone": "nova" }, "runner": { "type": "constant", "times": 10, "concurrency": 2 }, "context": { "users": { "tenants": 3, "users_per_tenant": 2 } }, "sla": { "failure_rate": { "max": 0 } } } ] }