kubespray/roles/reset/tasks/main.yml

---

- name: reset | stop services
  service: name={{item}} state=stopped
  with_items:
    - kubelet
    - etcd
  failed_when: false

- name: reset | remove services
  file:
    path: "/etc/systemd/system/{{ item }}.service"
    state: absent
  with_items:
    - kubelet
    - etcd
  register: services_removed

- name: reset | systemctl daemon-reload
  command: systemctl daemon-reload
  when: ansible_service_mgr == "systemd" and services_removed.changed

- name: reset | remove all containers
  shell: docker ps -aq | xargs -r docker rm -fv

- name: reset | gather mounted kubelet dirs
  shell: mount | grep /var/lib/kubelet | awk '{print $3}' | tac
  register: mounted_dirs

- name: reset | unmount kubelet dirs
  command: umount {{item}}
  with_items: '{{ mounted_dirs.stdout_lines }}'

- name: reset | delete some files and directories
  file: path={{ item }} state=absent
  with_items:
    - "{{kube_config_dir}}"
    - /var/lib/kubelet
    - /var/lib/etcd
    - /etc/ssl/etcd
    - /var/log/calico
    - /etc/cni
    - /etc/nginx
    - /etc/dnsmasq.d
    - /etc/etcd.env
    - /etc/calico
    - /opt/cni