---
- name: Deploy monitoring stack on RPi
  hosts: monitoring
  become: true
  
  vars:
    # Architecture detection for ARM
    arch_map:
      armv7l: "armv7"
      aarch64: "arm64"
      x86_64: "amd64"
    
  pre_tasks:
    - name: Gather architecture
      ansible.builtin.set_fact:
        go_arch: "{{ arch_map[ansible_architecture] | default('arm64') }}"
    
    - name: Update apt cache
      ansible.builtin.apt:
        update_cache: true
        cache_valid_time: 3600
      when: ansible_os_family == "Debian"
  
  roles:
    - common
    - prometheus
    - snmp_exporter
    - promtail
    - grafana
  
  post_tasks:
    - name: Display access information
      ansible.builtin.debug:
        msg:
          - "Grafana: http://{{ ansible_host }}:3000 (admin/admin)"
          - "Prometheus: http://{{ ansible_host }}:9090"
          - "Syslog listener: {{ ansible_host }}:514 (UDP)"