iiab/roles/sugarizer/tasks/enable.yml

- name: Create symlink sugarizer.conf from sites-enabled to sites-available, for short URLs http://box/sugar & http://box/sugarizer (if sugarizer_enabled)
  file:
    src: /etc/apache2/sites-available/sugarizer.conf
    path: /etc/apache2/sites-enabled/sugarizer.conf
    state: link
  when: sugarizer_enabled and not nginx_enabled

- name: Remove symlink /etc/apache2/sites-enabled/sugarizer.conf (if not sugarizer_enabled)
  file:
    path: /etc/apache2/sites-enabled/sugarizer.conf
    state: absent
  when: not sugarizer_enabled or nginx_enabled

- name: "Install sugarizer-nginx.conf (nginx)"
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    mode: "{{ item.mode }}"
    owner: root
    group: root
  with_items:
    - { src: 'sugarizer-nginx.conf', dest: '{{ nginx_config_dir }}/sugarizer-nginx.conf', mode: '0644' }
  when: sugarizer_enabled and nginx_enabled

- name: Remove {{ nginx_config_dir }}/sugarizer-nginx.conf (if not sugarizer_enabled)
  file:
    path: "{{ nginx_config_dir }}/sugarizer-nginx.conf"
    state: absent
  when: not sugarizer_enabled and nginx_enabled

# 6. RESTART/STOP SYSTEMD SERVICE

# with "systemctl daemon-reload" in case mongodb.service changed, etc
- name: Enable & Restart 'sugarizer' systemd service (if sugarizer_enabled)
  systemd:
    name: sugarizer
    daemon_reload: yes
    enabled: yes
    state: restarted
  when: sugarizer_enabled

- name: Disable & Stop 'sugarizer' systemd service (if not sugarizer_enabled)
  systemd:
    name: sugarizer
    daemon_reload: yes
    enabled: no
    state: stopped
  when: not sugarizer_enabled

#- name: Enable services (all OS's)
#  service:
#    name: "{{ item.name }}"
#    enabled: yes
#    state: restarted
#  with_items:
##   - { name: mongodb }    # 2018-07-14: NICE TRY, but still doesn't bring http://box:8089 to life reliably, as a reboot usually does!  (Is a "systemctl daemon-reload" or some such nec?)
#    - { name: sugarizer }
#  when: sugarizer_enabled | bool

#- name: Disable service (all OS's)
#  service:
#    name: sugarizer
#    enabled: no
#    state: stopped
#  when: not sugarizer_enabled

- name: Restart Apache service ({{ apache_service }}) to enable/disable http://box/sugarizer (not just http://box:{{ sugarizer_port }})
  systemd:
    name: "{{ apache_service }}"    # httpd or apache2
    state: restarted
  when: sugarizer_enabled and not nginx_enabled

- name: Restart nginx when enabled
  systemd:
    name: nginx
    state: restarted
    daemon_reload: yes
  when: sugarizer_enabled and nginx_enabled

- name: Add 'sugarizer' variable values to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"
    section: sugarizer
    option: "{{ item.option }}"
    value: "{{ item.value }}"
  with_items:
    - option: name
      value: Sugarizer
    - option: description
      value: '"The Sugar Learning Platform began with the famous One Laptop Per Child project, written in Python. Sugarizer is the new HTML/JavaScript implementation of Sugar, usable in most all browsers."'
    - option: sugarizer_enabled
      value: "{{ sugarizer_enabled }}"