tasks/nodecleanup.yml

---
# rkecleanup tasks/main.yml
#
# SPDX-FileCopyrightText: © 2022 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0
- name: Stop Docker Container
  shell:
    cmd: "docker rm -f $(docker ps -qa)"
  register: result
  failed_when: >
             ("docker: not found" not in result.stderr) and
             ("requires at least 1 argument" not in result.stderr) and
             (result.stderr | length > 0)
  changed_when: >
             ("docker: not found" not in result.stderr)

- name: Remove Docker Images
  shell:
    cmd: "docker rmi -f $(docker images -q)"
  register: result
  failed_when: >
             ("docker: not found" not in result.stderr) and
             ("requires at least 1 argument" not in result.stderr) and
             (result.stderr | length > 0)
  changed_when: >
             ("docker: not found" not in result.stderr)

- name: Remove Docker Volumes
  shell:
    cmd: "docker volume rm $(docker volume ls -q)"
  register: result
  failed_when: >
             ("docker: not found" not in result.stderr) and
             ("requires at least 1 argument" not in result.stderr) and
             (result.stderr | length > 0)
  changed_when: >
             ("docker: not found" not in result.stderr)
  notify: Uninstall Docker

- name: Unmount kubelet mounts
  shell:
    cmd: >
      for mount in $(mount | grep tmpfs |
      grep '/var/lib/kubelet' |
      awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher;
      do umount $mount; done
  register: result
  failed_when: >
             ("no mount point specified" not in result.stderr) and
             ("not mounted" not in result.stderr) and
             (result.stderr | length > 0)
  changed_when: >
             ("no mount point specified" not in result.stderr) and
             ("not mounted" not in result.stderr)

- name: Remove Directories and Files
  file:
    path: "{{ item }}"
    state: absent
  with_items:
    - /etc/ceph
    - /etc/cni
    - /etc/kubernetes
    - /opt/cni
    - /opt/rke
    - /run/secrets/kubernetes.io
    - /run/calico
    - /run/flannel
    - /var/lib/calico
    - /var/lib/etcd
    - /var/lib/cni
    - /var/lib/kubelet
    - /var/lib/rancher/rke/log
    - /var/log/containers
    - /var/log/pods
    - /var/run/calico