xoxys.k3s/tasks/reset.yml

---
- block:
    - name: Disable services
      service:
        name: "{{ item }}"
        state: stopped
        enabled: False
      failed_when: False
      loop:
        - k3s
        - k3s-init
        - kubepods

    - name: Kill containerd-shim-runc
      register: __k3s_pkill_containerd_shim_runc
      command: pkill -9 -f "k3s/data/[^/]+/bin/containerd-shim-runc"
      changed_when: __k3s_pkill_containerd_shim_runc.rc == 0
      failed_when: False

    - name: Get the list of mounted filesystems
      shell: set -o pipefail && cat /proc/mounts | awk '{ print $2}' | grep -E "^{{ item }}"
      loop:
        - /run/k3s
        - /var/lib/kubelet
        - /run/netns
        - /var/lib/kubelet/pods
        - /var/lib/kubelet/plugins
        - /run/netns/cni-
        - "{{ __k3s_data_dir }}"
      register: __k3s_mounted_fs
      args:
        executable: /bin/bash
      failed_when: False
      changed_when: False

    - name: Umount filesystem
      mount:
        path: "{{ item }}"
        state: unmounted
      loop: "{{ __k3s_mounted_fs.results | map(attribute='stdout_lines') | list | flatten | reverse }}"

    - name: Remove service files, binaries and data
      file:
        name: "{{ item }}"
        state: absent
      loop:
        - /usr/local/bin/k3s
        - "{{ __k3s_service_file }}"
        - "{{ __k3s_config_dir }}"
        - "{{ __k3s_data_dir }}"
        - "{{ __k3s_log_dir }}"
        - /etc/cni
        - /run/k3s
        - /run/flannel
        - /var/lib/kubelet
        - /var/lib/cni
        - /var/run/netns

    - name: Reload systemd daemon
      systemd:
        daemon_reload: True
  become: True
  become_user: root