# "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 - debug: var: mongodb_install - debug: var: mongodb_enabled - debug: var: mongodb_installed - debug: var: is_debian - debug: var: is_raspbian #- name: EXIT 'mongodb' ROLE & CONTINUE, IF 'is_debian and not is_raspbian' i.e. TRUE DEBIAN (where MongoDB no longer exists) # fail: # FORCE IT RED THIS ONCE! # msg: ATTEMPTED MongoDB INSTALLATION WITH (TRUE) DEBIAN, which is no longer supported. Nevertheless IIAB will continue (consider this a warning!) # when: is_debian_10 and (ansible_architecture == "aarch64") # #when: (is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9) # Test for Debian 10+ # ignore_errors: yes # ELSE... - name: Install/Enable/Disable/Record MongoDB (main2.yml) if is_raspbian or not is_debian, i.e. not True Debian include_tasks: main2.yml # when: is_raspbian or not is_debian # THE block: APPROACH BELOW WORKS JUST LIKE main2.yml ABOVE. # BUT IT VISUALLY POLLUTES: MANY BLUE "skipping:" MESSAGES IN ANSIBLE'S OUTPUT. # - block: # ENTIRE BLOCK CONDITIONED ON 'when: is_raspbian or not is_debian' # # [MOVED TO main2.yml] # # when: is_raspbian or not is_debian # CONDITION FOR ENTIRE ABOVE block: