iiab/roles/lokole/tasks/main.yml

# "How do i fail a task in Ansible if the variable contains a boolean value?
# I want to perform input validation for Ansible playbooks"
# https://stackoverflow.com/questions/46664127/how-do-i-fail-a-task-in-ansible-if-the-variable-contains-a-boolean-value-i-want/46667499#46667499

# We assume 0-init/tasks/validate_vars.yml has DEFINITELY been run, so no need
# to re-check whether vars are defined here.  As Ansible vars cannot be unset:
# https://serverfault.com/questions/856729/how-to-destroy-delete-unset-a-variable-value-in-ansible

- name: Assert that "lokole_install is sameas true" (boolean not string etc)
  assert:
    that: lokole_install is sameas true
    fail_msg: "PLEASE SET 'lokole_install: True' e.g. IN: /etc/iiab/local_vars.yml"
    quiet: yes

- name: Assert that "lokole_enabled | type_debug == 'bool'" (boolean not string etc)
  assert:
    that: lokole_enabled | type_debug == 'bool'
    fail_msg: "PLEASE GIVE VARIABLE 'lokole_enabled' A PROPER (UNQUOTED) ANSIBLE BOOLEAN VALUE e.g. IN: /etc/iiab/local_vars.yml"
    quiet: yes


- block:

  - name: Install Lokole if lokole_installed is not defined, e.g. in {{ iiab_state_file }}    # /etc/iiab/iiab_state.yml
    include_tasks: install.yml
    when: lokole_installed is undefined


  - name: Do a 'systemctl daemon-reload'
    systemd:
      daemon_reload: yes
    when: lokole_enabled

  - name: Enable & Restart supervisor systemd service, if lokole_enabled
    systemd:
      name: supervisor
      enabled: yes
      state: restarted
    when: lokole_enabled

  - name: Disable & Stop supervisor systemd service, if not lokole_enabled
    systemd:
      name: supervisor
      enabled: no
      state: stopped
    when: not lokole_enabled

  - name: Enable/Disable/Restart NGINX
    include_tasks: nginx.yml


  - name: Add 'lokole' variable values to {{ iiab_ini_file }}
    ini_file:
      path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
      section: lokole
      option: "{{ item.option }}"
      value: "{{ item.value | string }}"
    with_items:
      - option: name
        value: Lokole
      - option: description
        value: '"Lokole is an email service that works offline, for rural communities.  With a 3G/4G modem, you can arrange to batch-upload / batch-download emails once per night -- for almost no cost at all -- depending on mobile data plans in your country."'
        #value: '"Lokole is an email service that works offline, for rural communities.  In some cases, emails can also be transmitted to/from the Internet, taking advantage of discounted mobile data rates."'
      - option: lokole_install
        value: "{{ lokole_install }}"
      - option: lokole_enabled
        value: "{{ lokole_enabled }}"
      - option: lokole_settings
        value: "{{ lokole_settings }}"
      - option: lokole_url
        value: "{{ lokole_url }}"
      - option: lokole_full_url
        value: "{{ lokole_full_url }}"

  rescue:

  - name: 'SEE ERROR ABOVE (skip_role_on_error: {{ skip_role_on_error }})'
    fail:
      msg: ""
    when: not skip_role_on_error