---

- name: Set effective k3s data-dir
  ansible.builtin.set_fact:
    k3s_effective_data_dir: "{{ k3s_data_dir | default('/var/lib/rancher/k3s', true) }}"

- name: Best-effort purge kube-system workloads before uninstall
  ansible.builtin.command: "kubectl -n kube-system delete all --all --ignore-not-found"
  failed_when: false
  changed_when: false

- name: Best-effort purge kube-system namespaces
  ansible.builtin.command: "kubectl delete namespace kube-system --ignore-not-found"
  failed_when: false
  changed_when: false

- name: Force-remove kube-system finalizers if namespace is stuck
  ansible.builtin.command: "kubectl patch namespace kube-system -p '{\"spec\":{\"finalizers\":[]}}' --type=merge"
  failed_when: false
  changed_when: false

- name: Stop k3s services if present
  ansible.builtin.service:
    name: "{{ item }}"
    state: stopped
    enabled: false
  loop:
    - k3s
    - k3s-agent
  failed_when: false

- name: Check for k3s uninstall scripts
  ansible.builtin.stat:
    path: "{{ item }}"
  loop:
    - /usr/local/bin/k3s-uninstall.sh
    - /usr/local/bin/k3s-agent-uninstall.sh
  register: k3s_uninstall_scripts

- name: Run k3s uninstall scripts if present
  ansible.builtin.command: "{{ item.stat.path }}"
  loop: "{{ k3s_uninstall_scripts.results }}"
  when: item.stat.exists

- name: Remove k3s systemd units and directories
  ansible.builtin.file:
    path: "{{ item }}"
    state: absent
  loop:
    - /etc/rancher
    - /etc/systemd/system/k3s.service
    - /etc/systemd/system/k3s-agent.service
    - /etc/systemd/system/k3s.service.d
    - /etc/systemd/system/k3s-agent.service.d
    - /etc/rancher/node
    - /etc/rancher/k3s
    - /etc/cni
    - /opt/cni
    - "{{ k3s_effective_data_dir }}"
    - "{{ k3s_effective_data_dir }}/server/tls"
    - "{{ k3s_effective_data_dir }}/server/cred"
    - "{{ k3s_effective_data_dir }}/server/token"
    - "{{ k3s_effective_data_dir }}/server/node-token"
    - "{{ k3s_effective_data_dir }}/server/agent-token"
    - "{{ k3s_effective_data_dir }}/server/db"
    - "{{ k3s_effective_data_dir }}/agent"
    - "{{ k3s_effective_data_dir }}/data"
    - /var/lib/kubelet
    - /var/lib/etcd
    - /var/lib/cni
    - /var/lib/containerd
    - /run/k3s
    - /run/flannel
    - /var/log/k3s
    - /usr/local/bin/k3s
    - /usr/local/bin/k3s-killall.sh
    - /usr/local/bin/k3s-uninstall.sh
    - /usr/local/bin/k3s-agent-uninstall.sh
    - /usr/local/bin/kubectl
    - /usr/local/bin/crictl
    - /usr/local/bin/ctr

- name: Reload systemd after k3s cleanup
  ansible.builtin.systemd:
    daemon_reload: true