---
 - name: Ansible validate if the packages are installed
   hosts: web
   become: true
   tasks:

    - name: Gather Package facts
      package_facts:
        manager: auto

    - name: Validating if the package is installed or not
      debug:
        msg: "{{item}} is installed"
      when: '"{{item}}" in ansible_facts.packages'
      with_items:
        - apache2
        - nginx
        - filebeat