---
# Полное удаление всего стека
# Порядок: обратный установке
# Запуск: ansible-playbook uninstall.yml

- name: Confirm uninstall
  hosts: localhost
  gather_facts: false
  tasks:
    - name: Ask for confirmation
      ansible.builtin.pause:
        prompt: |
          ⚠️  ВНИМАНИЕ! Будут удалены: ingress-nginx, CSI NFS, kube-vip, K3S и ВСЕ данные.
          Введите 'yes' для подтверждения
      register: confirm
      when: confirm_uninstall is not defined

    - name: Abort if not confirmed
      ansible.builtin.fail:
        msg: "Отменено."
      when:
        - confirm_uninstall is not defined
        - confirm.user_input != 'yes'

- name: Remove ingress-nginx
  hosts: k3s_master
  gather_facts: false
  become: true
  tags: [ingress_nginx]
  tasks:
    - name: Uninstall ingress-nginx Helm release
      ansible.builtin.command: >
        helm uninstall ingress-nginx -n ingress-nginx
      failed_when: false
      changed_when: true
      environment:
        KUBECONFIG: "{{ k3s_kubeconfig_path }}"

    - name: Delete ingress-nginx namespace
      ansible.builtin.command: k3s kubectl delete namespace ingress-nginx --ignore-not-found
      changed_when: true

- name: Remove CSI NFS Driver
  hosts: k3s_master
  gather_facts: false
  become: true
  tags: [csi_nfs]
  tasks:
    - name: Uninstall CSI NFS Helm release
      ansible.builtin.command: >
        helm uninstall csi-driver-nfs -n kube-system
      failed_when: false
      changed_when: true
      environment:
        KUBECONFIG: "{{ k3s_kubeconfig_path }}"

    - name: Delete NFS StorageClass
      ansible.builtin.command: >
        k3s kubectl delete storageclass nfs-client --ignore-not-found
      changed_when: true

- name: Remove kube-vip
  hosts: k3s_master
  gather_facts: false
  become: true
  tags: [kube_vip]
  tasks:
    - name: Remove kube-vip manifests
      ansible.builtin.file:
        path: "{{ item }}"
        state: absent
      loop:
        - "{{ k3s_data_dir }}/server/manifests/kube-vip.yaml"
        - "{{ k3s_data_dir }}/server/manifests/kube-vip-rbac.yaml"

- name: Uninstall K3S workers
  hosts: k3s_workers
  gather_facts: true
  become: true
  tags: [k3s]
  tasks:
    - ansible.builtin.include_role:
        name: k3s
        tasks_from: uninstall

- name: Uninstall K3S master
  hosts: k3s_master
  gather_facts: true
  become: true
  tags: [k3s]
  tasks:
    - ansible.builtin.include_role:
        name: k3s
        tasks_from: uninstall

- name: Done
  hosts: localhost
  gather_facts: false
  tasks:
    - ansible.builtin.debug:
        msg: "✓ Весь стек удалён."