---
  CinderVolumes.create_volume:
    -
      args:
        size: 1
      runner:
        type: "constant"
        times: 3
        concurrency: 2
      context:
        users:
          tenants: 2
          users_per_tenant: 2
    -
      args:
        size:
          min: 1
          max: 5
      runner:
        type: "constant"
        times: 3
        concurrency: 2
      context:
        users:
          tenants: 2
          users_per_tenant: 2