all:
  children:
    mysql_hosts:
      hosts:
        k8s-server-01: { ansible_host: 192.168.1.4 }
        k8s-server-02: { ansible_host: 192.168.1.5 }
        k8s-server-03: { ansible_host: 192.168.1.2 }
        k8s-worker-01: { ansible_host: 192.168.1.3 }
  vars:
    ansible_user: root
    ansible_python_interpreter: /usr/bin/python3