---
- name: 修复 Nomad 节点配置
  hosts: nomad_cluster
  become: yes
  vars:
    nomad_datacenter: "dc1"
    consul_servers:
      - "ash3c.tailnet-68f9.ts.net:8500"
      - "ch4.tailnet-68f9.ts.net:8500" 
      - "warden.tailnet-68f9.ts.net:8500"
    
  tasks:
    - name: 检查节点当前状态
      debug:
        msg: "正在修复节点: {{ inventory_hostname }}"
    
    - name: 停止 Nomad 服务
      systemd:
        name: nomad
        state: stopped
      ignore_errors: yes
    
    - name: 备份现有配置
      copy:
        src: /etc/nomad.d/nomad.hcl
        dest: /etc/nomad.d/nomad.hcl.backup.{{ ansible_date_time.epoch }}
        remote_src: yes
      ignore_errors: yes
    
    - name: 创建 Nomad 配置目录
      file:
        path: /etc/nomad.d
        state: directory
        mode: '0755'
    
    - name: 生成 Nomad 客户端配置
      template:
        src: nomad-client.hcl.j2
        dest: /etc/nomad.d/nomad.hcl
        mode: '0644'
      notify: restart nomad
    
    - name: 启动 Nomad 服务
      systemd:
        name: nomad
        state: started
        enabled: yes
    
    - name: 等待 Nomad 服务启动
      wait_for:
        port: 4646
        host: "{{ inventory_hostname }}.tailnet-68f9.ts.net"
        delay: 5
        timeout: 30
      ignore_errors: yes
    
    - name: 验证 Nomad 节点状态
      uri:
        url: "http://{{ inventory_hostname }}.tailnet-68f9.ts.net:4646/v1/agent/self"
        method: GET
      register: nomad_status
      ignore_errors: yes
    
    - name: 显示修复结果
      debug:
        msg: 
          - "节点 {{ inventory_hostname }} 修复完成"
          - "Nomad 状态: {{ 'OK' if nomad_status.status == 200 else 'ERROR' }}"
  
  handlers:
    - name: restart nomad
      systemd:
        name: nomad
        state: restarted