main.yml

---
- name: Apache packages installed
  apt:
    pkg: "{{ item }}"
    state: latest
    update_cache: yes
  with_items:
    - apache2
    - apache2-utils
    - lynx
  register: apache_packages

- name: Apache modules enabled
  apache2_module:
    name: "{{ item }}"
    state: present
  with_items:
    - rewrite
    - headers
    - http2
    - env
    - dir
    - mime
    - ssl
  register: apache_modules

- name: Custom Apache ssl.conf in place
  copy:
    src: files/ssl.conf
    dest: /etc/apache2/mods-available/ssl.conf
  register: apache_ssl

- name: Apache localhost.conf in place
  copy:
    src: files/localhost.conf
    dest: /etc/apache2/sites-available/localhost.conf
  register: apache_localhost

- name: Apache localhost enabled
  command: a2ensite localhost
  args:
    creates: /etc/apache2/sites-enabled/localhost.conf 

- name: Apache configtest
  command: apache2ctl configtest
  register: apache2ctl_configtest
  when: apache_packages.changed or apache_modules.changed or apache_ssl.changed or apache_localhost.changed

- name: Apache restarted
  service:
    name: apache2
    state: restarted
  when: "'Syntax OK' in apache2ctl_configtest.stdout"

- name: Fail if Apache configtest is not OK
  fail:
    msg: "{{ apache2ctl_configtest.stdout }}"
  when: "'Syntax OK' not in apache2ctl_configtest.stdout"