kubespray/roles/kubernetes/node/tasks/openstack-credential-check.yml

---
- name: check openstack_auth_url value
  fail:
    msg: "openstack_auth_url is missing"
  when: openstack_auth_url is not defined or not openstack_auth_url

- name: check openstack_username value
  fail:
    msg: "openstack_username is missing"
  when: openstack_username is not defined or not openstack_username

- name: check openstack_password value
  fail:
    msg: "openstack_password is missing"
  when: openstack_password is not defined or not openstack_password

- name: check openstack_region value
  fail:
    msg: "openstack_region is missing"
  when: openstack_region is not defined or not openstack_region

- name: check openstack_tenant_id value
  fail:
    msg: "one of openstack_tenant_id or openstack_trust_id must be specified"
  when:
    - openstack_tenant_id is not defined or not openstack_tenant_id
    - openstack_trust_id is not defined

- name: check openstack_trust_id value
  fail:
    msg: "one of openstack_tenant_id or openstack_trust_id must be specified"
  when:
    - openstack_trust_id is not defined or not openstack_trust_id
    - openstack_tenant_id is not defined