IaC/ansible/roles/k8s_destroy/tasks/main.yaml

---
- name: reset the nodes
  ansible.builtin.shell:
    cmd: |
      kubeadm reset -f

- name: delete orphaned files
  ansible.builtin.file:
    path: "{{ item }}"
    state: absent
  with_items:
    - /etc/cni
    - /etc/kubernetes
    - /var/lib/etcd 
    - /var/lib/kubelet
    - /var/run/kubernetes

- name: purge iptables rules
  ansible.builtin.iptables:
    flush: true
    table: "{{ item }}"
  with_items:
    - filter
    - raw
    - nat
    - mangle

- name: purge iptables chains
  ansible.builtin.shell:
    cmd: |
      iptables -t {{ item }} -X
  with_items:
    - filter
    - raw
    - nat
    - mangle

- name: restart the containerd service
  ansible.builtin.service:
    name: containerd
    state: reloaded