Update mongodb/tasks/main.yml

roles/mongodb/tasks/main.yml

@@ -1,11 +1,62 @@
+# "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: not ((is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9)) and not mongodb_installed is defined
+  when: mongodb_installed is undefined
 
-- name: Enable 'mongodb' if not Debian 10+
-  include_tasks: enable.yml
-  when: not ((is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9)) or mongodb_installed is defined
 
+- 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 }}"