- name: Add the libvirt server to the inventory
  hosts: localhost
  gather_facts: no
  tasks:
  - add_host:
      hostname: '{{ lookup("env", "LIBVIRT_SERVER") }}'
      ansible_host: '{{ lookup("env", "LIBVIRT_SERVER") }}'
      ansible_user: '{{ lookup("env", "LIBVIRT_USER") }}'
      groups: hypervisor

- name: Stop the OpenShift cluster
  hosts: hypervisor
  gather_facts: no
  become: yes
  vars:
    lb: '{{ nodes | selectattr("role", "eq", "lb") | first }}'
    storage: '{{ nodes | selectattr("role", "eq", "storage") | first }}'
    workers: '{{ nodes | selectattr("role", "eq", "worker") | list }}'
    masters: '{{ nodes | selectattr("role", "eq", "master") | list }}'
  tasks:
  - name: Stop the workers
    community.libvirt.virt:
      name: '{{ item.name }}'
      state: shutdown
    loop: '{{ workers }}'
    loop_control:
      label: "{{ item.name }}"

  - name: Wait for the workers to shutdown
    community.libvirt.virt:
      name: '{{ item.name }}'
      command: info
    register: vm
    until: "vm[item.name].state == 'shutdown'"
    retries: 24
    delay: 5
    loop: '{{ workers }}'
    loop_control:
      label: "{{ item.name }}"

  - name: Stop the masters
    community.libvirt.virt:
      name: '{{ item.name }}'
      state: shutdown
    loop: '{{ masters }}'
    loop_control:
      label: "{{ item.name }}"

  - name: Wait for the masters to shutdown
    community.libvirt.virt:
      name: '{{ item.name }}'
      command: info
    register: vm
    until: "vm[item.name].state == 'shutdown'"
    retries: 24
    delay: 5
    loop: '{{ masters }}'
    loop_control:
      label: "{{ item.name }}"

  - name: Stop the remaining nodes
    community.libvirt.virt:
      name: '{{ item.name }}'
      state: shutdown
    loop:
    - '{{ lb }}'
    - '{{ storage }}'
    loop_control:
      label: "{{ item.name }}"

  - name: Unconfigure name resolution for the cluster
    file:
      path: /etc/NetworkManager/dnsmasq.d/zone-{{ network_domain }}.conf
      state: absent
  
  - name: Restart dnsmasq
    command: pkill -f [d]nsmasq.*--enable-dbus=org.freedesktop.NetworkManager.dnsmasq