---
- name: 批量安装监控代理软件
  hosts: nomad_cluster
  become: yes
  vars:
    ansible_python_interpreter: /usr/bin/python3

  tasks:
    - name: 添加Grafana APT源
      apt_repository:
        repo: "deb [trusted=yes] https://packages.grafana.com/oss/deb stable main"
        state: present
        filename: grafana
      when: ansible_distribution == "Debian" or ansible_distribution == "Ubuntu"
      tags:
        - grafana-repo

    - name: 更新APT缓存
      apt:
        update_cache: yes
      tags:
        - update-cache

    - name: 检查node-exporter是否已安装
      command: which prometheus-node-exporter
      register: node_exporter_check
      failed_when: false
      changed_when: false

    - name: 安装prometheus-node-exporter
      apt:
        name: prometheus-node-exporter
        state: present
        update_cache: yes
      when: node_exporter_check.rc != 0
      register: node_exporter_install

    - name: 显示node-exporter安装结果
      debug:
        msg: "{{ inventory_hostname }}: {{ '已安装' if node_exporter_check.rc == 0 else '安装完成' if node_exporter_install.changed else '安装失败' }}"

    - name: 检查promtail是否已安装
      command: which promtail
      register: promtail_check
      failed_when: false
      changed_when: false

    - name: 安装promtail
      apt:
        name: promtail
        state: present
        update_cache: yes
      when: promtail_check.rc != 0
      register: promtail_install

    - name: 显示promtail安装结果
      debug:
        msg: "{{ inventory_hostname }}: {{ '已安装' if promtail_check.rc == 0 else '安装完成' if promtail_install.changed else '安装失败' }}"

    - name: 创建promtail数据目录
      file:
        path: /opt/promtail/data
        state: directory
        owner: promtail
        group: nogroup
        mode: '0755'
      when: promtail_check.rc != 0 or promtail_install.changed
      tags:
        - promtail-dirs