teardown.yml

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

- name: Teardown playbook
  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