Record approx disk usage for 45 roles (to iiab.ini)

roles/kolibri/tasks/install.yml

@@ -23,6 +23,11 @@
 # https://kolibri.readthedocs.io/en/latest/install/provision.html
 
 
+- name: Record (initial) available disk space
+  shell: df -PB1 $(findmnt / -o SOURCE -n) | awk 'NR==2 {print $4}'
+  register: df1
+
+
 - name: Create Linux user {{ kolibri_user }} and add it to groups {{ apache_user }}, disk
   user:
     name: "{{ kolibri_user }}"
@@ -209,6 +214,17 @@
 
 # RECORD Kolibri AS INSTALLED
 
+- name: Record (final) available disk space
+  shell: df -PB1 $(findmnt / -o SOURCE -n) | awk 'NR==2 {print $4}'
+  register: df2
+
+- name: Add 'kolibri_disk_usage = {{ df1.stdout|int - df2.stdout|int }}' to {{ iiab_ini_file }}
+  ini_file:
+    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
+    section: kolibri
+    option: kolibri_disk_usage
+    value: "{{ df1.stdout|int - df2.stdout|int }}"
+
 - name: "Set 'kolibri_installed: True'"
   set_fact:
     kolibri_installed: True