---

- name: Check the conditions when a single controller is defined
  assert:
    that:
      - (k3s_controller_count | length == 1)
        and (k3s_datastore_endpoint is not defined or not k3s_datastore_endpoint)
        and (k3s_dqlite_datastore is not defined or not k3s_dqlite_datastore)
    success_msg: "Control plane configuration is valid."
    fail_msg: "Control plane configuration is invalid. Please see notes about k3s_control_node and HA in README.md."
  when: k3s_controller_count | length == 1

- name: Check the conditions when multiple controllers are defined
  assert:
    that:
      - (k3s_controller_count | length >= 2)
        and ((k3s_datastore_endpoint is defined and k3s_datastore_endpoint)
              or k3s_dqlite_datastore is defined and k3s_dqlite_datastore)
    success_msg: "Control plane configuration is valid."
    fail_msg: "Control plane configuration is invalid. Please see notes about k3s_control_node and HA in README.md."
  when: k3s_controller_count | length >= 2