[ansible@control lesson8]$ cat chad.yml
---
- name: create local index.html file
  hosts: localhost
  tasks:
     - name: create local index.html file
       copy:
           dest: /tmp/index.html
           content: "Welcome to my webserver."

- name: install and configure web server
  hosts: ansible2.example.com
  vars_files:
    - vars/web_vars
  tasks:
    - name: install packages
      yum:
        name: "{{ web_packages }}"
      when:
        - ansible_distribution in supported_distros
        - ansible_distribution != "Fedora"
        - ansible_distribution_major_version == "8"
    - name: fail when run on fedora or older supported distros
      fail:
        msg: >
          Host {{ ansible_facts['hostname'] }} does not meet minimal requirements
      when:
        ( ansible_distribution not in supported_distros ) or ( ansible_distribution_major_version != "8" )

    - name: configure web content
      block:
        - name: copy index.html
          copy:
            src: /tmp/index.html
            dest: /var/www/html/
            owner: apache
            group: apache
            mode: 0644
          notify: restart httpd
      rescue:
        - debug:
            msg: >
              There was an issue copying the index.html file
    - name: configure firewall
      firewalld:
        service: "{{ item }}"
        state: enabled
        permanent: true
        immediate: true
      loop:
        - http
        - https
  handlers:
    - name: restart httpd
      service:
        name: httpd
        state: restarted
...
[ansible@control lesson8]$
[ansible@control lesson8]$ cat vars/web_vars
web_packages:
  - httpd
  - mod_ssl
supported_distros:
 - "RedHat"
 - "CentOS"