Merge "ovn: Improve clustering"

ansible/library/kolla_container_volume_facts.py

ansible/roles/ovn-db/defaults/main.yml

ansible/roles/ovn-db/tasks/bootstrap-initial.yml

ansible/roles/ovn-db/tasks/deploy.yml

ansible/roles/ovn-db/tasks/lookup_cluster.yml

ansible/roles/ovn-db/templates/ovn-nb-db.json.j2

ansible/roles/ovn-db/templates/ovn-sb-db.json.j2

releasenotes/notes/1875223-05552108375d005a.yaml