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iiab/roles/mongodb/tasks/main.yml

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YAML

# "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: rpi_model # 0-init sets it from ansible_local.local_facts.rpi_model
- debug:
var: os_ver # Equivalent to ansible_local.local_facts.os_ver and OS_VER in /etc/iiab/iiab.env
- debug:
var: is_debian
- debug:
var: is_raspbian
# # might be able to lift this once we know using bionic would work
# - name: EXIT 'mongodb' ROLE & CONTINUE, IF 'is_debian_10 and aarch64 and not is_raspbian' i.e. TRUE DEBIAN with arch64
# fail: # FORCE IT RED THIS ONCE!
# msg: ATTEMPTED MongoDB INSTALLATION WITH (TRUE) DEBIAN aarch64, which is not supported upstream. Nevertheless IIAB will continue (consider this a warning!)
# when: (ansible_architecture == "aarch64") and is_debian_10 and not is_raspbian
# ignore_errors: yes
# ELSE...
- block:
- name: Install MongoDB if 'mongodb_installed' not defined, e.g. in {{ iiab_state_file }} # /etc/iiab/iiab_state.yml
include_tasks: install.yml
when: mongodb_installed is undefined
# when: mongodb_installed is undefined and not (ansible_architecture == "aarch64" and is_debian_10 and not is_raspbian)
- name: Enable or Disable MongoDB (FYI sugarizer.service auto-starts MongoDB as nec, so doesn't need this or care what happens here!)
include_tasks: enable-or-disable.yml
- 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: mongodb_install
value: "{{ mongodb_install }}"
- option: mongodb_enabled
value: "{{ mongodb_enabled }}"
rescue:
- name: 'SEE ERROR ABOVE (skip_role_on_error: {{ skip_role_on_error }})'
fail:
msg: ""
when: not skip_role_on_error