---
# 一键应用 Node.js demo 清单（与 docs/04-01～04-13 + ansible/files/nodejs-demo 对齐）
#
# 执行（在仓库根目录）：
#   ansible-playbook -i ansible/inventory.ini ansible/playbooks/nodejs-demo-apply.yml \
#     -e nodejs_demo_manifest=04-01-nodejs-demo.yaml
#
# 默认清单：04-01-nodejs-demo.yaml
- name: Apply nodejs-demo Kubernetes manifests
  hosts: k3s_server
  become: true
  run_once: true
  vars:
    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
    nodejs_demo_manifest: "04-01-nodejs-demo.yaml"
    manifests_dir: "{{ playbook_dir }}/../files/nodejs-demo"
  tasks:
    - name: Ensure manifest file exists
      ansible.builtin.stat:
        path: "{{ manifests_dir }}/{{ nodejs_demo_manifest }}"
      register: nodejs_manifest_stat
      delegate_to: localhost
      become: false

    - name: Fail if manifest not found
      ansible.builtin.fail:
        msg: "未找到 {{ manifests_dir }}/{{ nodejs_demo_manifest }}，请从仓库根检查文件名"
      when: not nodejs_manifest_stat.stat.exists
      delegate_to: localhost
      become: false

    - name: Copy manifest to control plane
      ansible.builtin.copy:
        src: "{{ manifests_dir }}/{{ nodejs_demo_manifest }}"
        dest: "/tmp/{{ nodejs_demo_manifest }}"
        mode: "0644"

    - name: kubectl apply nodejs-demo manifest
      ansible.builtin.shell: |
        set -e
        KUBECONFIG={{ k3s_kubeconfig }} kubectl apply -f /tmp/{{ nodejs_demo_manifest }}
      register: nodejs_apply
      changed_when: "'configured' in nodejs_apply.stdout or 'created' in nodejs_apply.stdout"

    - name: Show kubectl apply output
      ansible.builtin.debug:
        var: nodejs_apply.stdout_lines