teardown.yaml

---
# will reset the system state to that prior to maas install

- hosts: all
  become: true
  gather_facts: true
  tasks:
    - name: "Collect facts about installed packages"
      ansible.builtin.package_facts:
        manager: auto
        strategy: all

    - name: "Collect facts about system services"
      ansible.builtin.service_facts:

    - name: "Remove iptables rules"
      ansible.builtin.include_role:
        name: maas_firewall
        tasks_from: teardown

    - name: "Uninstall MAAS region"
      ansible.builtin.include_role:
        name: "maas_region_controller"
        tasks_from: teardown

    - name: "Uninstall MAAS rack"
      ansible.builtin.include_role:
        name: maas_rack_controller
        tasks_from: teardown

    - name: "Uninstall HAProxy"
      ansible.builtin.include_role:
        name: maas_proxy
        tasks_from: teardown

    - name: "Uninstall Pacemaker"
      ansible.builtin.include_role:
        name: maas_pacemaker
        tasks_from: teardown

    - name: "Uninstall Corosync"
      ansible.builtin.include_role:
        name: maas_corosync
        tasks_from: teardown

    - name: "Uninstall postgres"
      ansible.builtin.include_role:
        name: maas_postgres
        tasks_from: teardown

    - name: "Uninstall o11y"
      ansible.builtin.include_role:
        name: o11y_agent
        tasks_from: teardown
      when: group_names|intersect(o11y_enabled_roles)

    - name: "Remove unused packages from the cache"
      ansible.builtin.apt:
        autoclean: true

    - name: Reload the SystemD to re-read configurations
      ansible.builtin.systemd:
        daemon-reload: true