---
- name: Install nginx-prometheus-exporter on App1
  hosts: 192.168.0.110
  become: yes
  
  tasks:
    - name: Download nginx-prometheus-exporter
      get_url:
        url: https://github.com/nginxinc/nginx-prometheus-exporter/releases/download/v0.11.0/nginx-prometheus-exporter_0.11.0_linux_amd64.tar.gz
        dest: /tmp/nginx-exporter.tar.gz
    
    - name: Extract nginx-exporter
      unarchive:
        src: /tmp/nginx-exporter.tar.gz
        dest: /usr/local/bin/
        remote_src: yes
        creates: /usr/local/bin/nginx-prometheus-exporter
    
    - name: Create systemd service
      copy:
        content: |
          [Unit]
          Description=NGINX Prometheus Exporter
          After=network.target nginx.service
          
          [Service]
          Type=simple
          User=root
          ExecStart=/usr/local/bin/nginx-prometheus-exporter -nginx.scrape-uri=http://localhost:80/status
          Restart=on-failure
          
          [Install]
          WantedBy=multi-user.target
        dest: /etc/systemd/system/nginx-exporter.service
        owner: root
        group: root
        mode: '0644'
    
    - name: Enable and start nginx-exporter
      systemd:
        name: nginx-exporter
        state: started
        enabled: yes
        daemon_reload: yes
    
    - name: Test nginx-exporter
      uri:
        url: http://localhost:9113/metrics
        status_code: 200
      register: exporter_test
      ignore_errors: yes
    
    - name: Show test result
      debug:
        msg: "Nginx exporter test: {{ 'SUCCESS' if exporter_test.status == 200 else 'FAILED' }}"
    
    - name: Verify metrics
      shell: |
        curl -s http://localhost:9113/metrics | grep -i nginx | head -5
      register: metrics_check
      changed_when: false
    
    - name: Show metrics check
      debug:
        msg: "{{ metrics_check.stdout_lines }}"