ansible-examples/tests/rollback.yml

---
- hosts: all
  become: yes
  vars_files:
    - vars.yml
  tasks:
    - name: ensure the service is stopped
      service:
        name: "{{ service }}"
        state: stopped
        enabled: no
      when: service != None
      ignore_errors: true

    - name: ensure the firewall ports are closed
      firewalld:
        service: "{{ fwsvc }}"
        state: disabled
        immediate: true
        permanent: true
      when: fwsvc != None
      ignore_errors: true

    - name: remove the packages
      yum:
        name: "{{ packages }}"
        state: absent

    - name: remove any published templates
      file:
        path: "{{ item.dest }}"
        state: absent
      loop: "{{ configs }}"
      when: configs is defined

    - name: remove any static files
      file:
        path: "{{ item.dest }}"
        state: absent
      loop: "{{ staticfiles }}"
      when: staticfiles is defined
...