contrib/ansible: Add reset role and playbook to reset a node (#1565)

---

- hosts: k3s-cluster

  gather_facts: yes

  become: yes

  roles:

    - { role: reset }

---

- name: Disable services

  systemd:

    name: "{{ item }}"

    state: stopped

    enabled: no

  with_items:

    - k3s

    - k3s-node

- name: Remove service files, binaries and data

  file:

    name: "{{ item }}"

    state: absent

  with_items:

    - "{{ systemd_dir }}/k3s.service"

    - "{{ systemd_dir }}/k3s-node.service"

    - /etc/rancher/k3s

    - /var/lib/rancher/k3s

    - /var/lib/kubelet

    - /usr/local/bin/k3s

- name: daemon_reload

  systemd:

    daemon_reload: yes