Cleaner Dependencies e.g. for Sugarizer, Moodle, Node-Red, PBX, Elgg

roles/mongodb/tasks/install.yml

@@ -135,6 +135,6 @@
 
 - name: "Add 'mongodb_installed: True' to {{ iiab_state_file }}"
   lineinfile:
-    dest: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
+    path: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
     regexp: '^mongodb_installed'
     line: 'mongodb_installed: True'

roles/mongodb/tasks/main.yml

@@ -18,42 +18,37 @@
     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)
+- debug:
+    var: mongodb_install
+- debug:
+    var: mongodb_enabled
+- debug:
+    var: mongodb_installed
 
 
-- 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
+- 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 and not is_raspbian
+  #when: (is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9)    # Test for Debian 10+
+  ignore_errors: yes
 
-- 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
+# ELSE...
 
-- name: Disable 'mongodb' service, if not mongodb_enabled
-  systemd:
-    name: mongodb
-    enabled: no
-    state: stopped
-  when: not mongodb_enabled
+- 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.
 
-- 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 }}"
+# - 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: 

roles/mongodb/tasks/main2.yml

@@ -0,0 +1,34 @@
+- 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
+
+
+- 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 & Stop '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 }}"