# "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 "moodle_install is sameas true" (boolean not string etc) assert: that: moodle_install is sameas true fail_msg: "PLEASE SET 'moodle_install: True' e.g. IN: /etc/iiab/local_vars.yml" quiet: yes - name: Assert that "moodle_enabled | type_debug == 'bool'" (boolean not string etc) assert: that: moodle_enabled | type_debug == 'bool' fail_msg: "PLEASE GIVE VARIABLE 'moodle_enabled' A PROPER (UNQUOTED) ANSIBLE BOOLEAN VALUE e.g. IN: /etc/iiab/local_vars.yml" quiet: yes - block: - name: Install Moodle if 'moodle_installed' not defined, e.g. in {{ iiab_state_file }} # /etc/iiab/iiab_state.yml include_tasks: install.yml when: moodle_installed is undefined - include_tasks: enable-or-disable.yml - name: Add 'moodle' variable values to {{ iiab_ini_file }} ini_file: path: "{{ iiab_ini_file }}" # /etc/iiab/iiab.ini section: moodle option: "{{ item.option }}" value: "{{ item.value | string }}" with_items: - option: name value: Moodle - option: description value: '"Access the Moodle learning management system."' - option: moodle_install value: "{{ moodle_install }}" - option: moodle_enabled value: "{{ moodle_enabled }}" - option: moodle_base value: "{{ moodle_base }}" rescue: - name: 'SEE ERROR ABOVE (skip_role_on_error: {{ skip_role_on_error }})' fail: msg: "" when: not skip_role_on_error