kubespray/tests/testcases/010_check-apiserver.yml

---
- hosts: kube_control_plane

  tasks:
  - name: Check the API servers are responding
    uri:
      url: "https://{{ access_ip | default(ansible_default_ipv4.address) }}:{{ kube_apiserver_port | default(6443) }}/version"
      validate_certs: no
      status_code: 200
    register: apiserver_response
    retries: 12
    delay: 5
    until: apiserver_response is success

  - debug:  # noqa unnamed-task
      msg: "{{ apiserver_response.json }}"

  - name: Check API servers version
    assert:
      that:
      - apiserver_response.json.gitVersion == kube_version
      fail_msg: "apiserver version different than expected {{ kube_version }}"
    when: kube_version is defined