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

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

- name: EXIT MONGODB PLAYBOOK, IF DEBIAN 10+ (where MongoDB doesn't exist)
  meta: end_play
  when: (is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9)


# 2019-07-08: mongodb_install is completely ignored.  FYI mongodb_enabled: False
# works but is ineffective, as Sugarizer starts mongodb's systemd svc on its own

- name: Install 'mongodb' if not Debian 10+
  include_tasks: install.yml
  when: mongodb_installed is undefined


- name: Enable & Restart 'mongodb' systemd service if mongodb_enabled, incl daemon-reload (in case mongodb.service changed?)
  systemd:
    name: mongodb
    daemon_reload: yes
    enabled: yes
    state: restarted
  when: mongodb_enabled | bool

- name: Disable 'mongodb' service, if not mongodb_enabled
  systemd:
    name: mongodb
    enabled: no
    state: stopped
  when: not mongodb_enabled


- name: Add 'mongodb' variable values to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
    section: mongodb
    option: "{{ item.option }}"
    value: "{{ item.value | string }}"
  with_items:
    - option: name
      value: MongoDB
    - option: description
      value: '"MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling."'
    - option: enabled
      value: "{{ mongodb_enabled }}"