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

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


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


- include_tasks: enable-or-disable.yml


- name: Add 'transmission' variable values to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
    section: transmission
    option: "{{ item.option }}"
    value: "{{ item.value | string }}"
  with_items:
    - option: name
      value: Transmission
    - option: description
      value: '"Transmission is a set of lightweight BitTorrent clients (in GUI, CLI and daemon form)."'
    - option: transmission_install
      value: "{{ transmission_install }}"
    - option: transmission_enabled
      value: "{{ transmission_enabled }}"
    - option: transmission_download_dir
      value: "{{ transmission_download_dir }}"
    - option: transmission_user
      value: "{{ transmission_user }}"
    - option: transmission_group
      value: "{{ transmission_group }}"
    - option: transmission_http_port
      value: "{{ transmission_http_port }}"
    - option: transmission_url
      value: "{{ transmission_url }}"
    - option: transmission_peer_port
      value: "{{ transmission_peer_port }}"
    - option: transmission_provision
      value: "{{ transmission_provision }}"
    - option: transmission_kalite_version
      value: "{{ transmission_kalite_version }}"
    - option: transmission_kalite_languages
      value: "{{ transmission_kalite_languages }}"
    - option: transmission_username
      value: "{{ transmission_username }}"
    # 2020-04-14: better to redact passwords from /etc/iiab/iiab.ini etc, so iiab-diagnostics command doesn't publish these, etc
    #- option: transmission_password
    #  value: "{{ transmission_password }}"