---
- name: System Cleanup and Maintenance
  hosts: all
  become: yes
  gather_facts: yes
  
  tasks:
    # 清理包缓存和孤立包
    - name: Clean package cache (Debian/Ubuntu)
      apt:
        autoclean: yes
        autoremove: yes
      when: ansible_os_family == "Debian"
      
    - name: Remove orphaned packages (Debian/Ubuntu)
      shell: apt-get autoremove --purge -y
      when: ansible_os_family == "Debian"
      
    # 清理日志文件
    - name: Clean old journal logs (keep 7 days)
      shell: journalctl --vacuum-time=7d
      
    - name: Clean old log files
      find:
        paths: /var/log
        patterns: "*.log.*,*.gz"
        age: "7d"
        recurse: yes
      register: old_logs
      
    - name: Remove old log files
      file:
        path: "{{ item.path }}"
        state: absent
      loop: "{{ old_logs.files }}"
      when: old_logs.files is defined
      
    # 清理临时文件
    - name: Clean /tmp directory (files older than 7 days)
      find:
        paths: /tmp
        age: "7d"
        recurse: yes
      register: tmp_files
      
    - name: Remove old temp files
      file:
        path: "{{ item.path }}"
        state: absent
      loop: "{{ tmp_files.files }}"
      when: tmp_files.files is defined
      
    # Docker 清理 (如果存在)
    - name: Check if Docker is installed
      command: which docker
      register: docker_check
      failed_when: false
      changed_when: false
      
    - name: Clean Docker system
      shell: |
        docker system prune -f
        docker image prune -f
        docker volume prune -f
      when: docker_check.rc == 0
      
    # 磁盘空间检查
    - name: Check disk usage
      shell: df -h
      register: disk_usage
      
    - name: Display disk usage
      debug:
        msg: "{{ disk_usage.stdout_lines }}"
        
    # 内存使用检查
    - name: Check memory usage
      shell: free -h
      register: memory_usage
      
    - name: Display memory usage
      debug:
        msg: "{{ memory_usage.stdout_lines }}"