---
- name: Check cluster status
  hosts: all_managed
  become: yes
  gather_facts: yes
  
  tasks:
    - name: Get disk usage
      shell: df -h / | tail -1 | awk '{print $5}'
      register: disk_usage
      changed_when: false
    
    - name: Get memory usage
      shell: free -m | awk '/^Mem:/ {printf "%.0f%%", $3/$2 * 100}'
      register: memory_usage
      changed_when: false
    
    - name: Get container count
      shell: docker ps -q 2>/dev/null | wc -l
      register: container_count
      changed_when: false
      failed_when: false
    
    - name: Display status
      debug:
        msg: "{{ inventory_hostname }}: Disk={{ disk_usage.stdout }} Mem={{ memory_usage.stdout }} Containers={{ container_count.stdout | default('N/A') }}"