Update fio helpers

- Create / delete fio VMs in parallel. VMs are to be created in batches, each batch
parallelism size is controlled by a new config parameter
- A server group with 'soft-anti-affinity' policy is added to fio setup.
This way VMs will be automatically scheduled on different hosts

Related-PROD: PROD-37187
Change-Id: I0a22b1a1fe279966e8370605d84783c5c49fea50
4 files changed
tree: 9fd359f8a6527e5d139d8812a09115a7334ffa14
  1. autoscale/
  2. fio/
  3. k8s/
  4. rally/
  5. scripts/
  6. tempest/
  7. wally/
  8. .gitignore
  9. cleanup.sh