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

roles/phpmyadmin/tasks/install.yml

@@ -1,3 +1,8 @@
+- name: Record (initial) available disk space
+  shell: df -PB1 $(findmnt / -o SOURCE -n) | awk 'NR==2 {print $4}'
+  register: df1
+
+
 - name: Download {{ phpmyadmin_dl_url }} to {{ downloads_dir }}
   get_url:
     url: "{{ phpmyadmin_dl_url }}"    # e.g. https://files.phpmyadmin.net/phpMyAdmin/5.0.4/phpMyAdmin-5.0.4-all-languages.zip
@@ -48,6 +53,17 @@
 
 # RECORD phpMyAdmin AS INSTALLED
 
+- name: Record (final) available disk space
+  shell: df -PB1 $(findmnt / -o SOURCE -n) | awk 'NR==2 {print $4}'
+  register: df2
+
+- name: Add 'phpmyadmin_disk_usage = {{ df1.stdout|int - df2.stdout|int }}' to {{ iiab_ini_file }}
+  ini_file:
+    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
+    section: phpmyadmin
+    option: phpmyadmin_disk_usage
+    value: "{{ df1.stdout|int - df2.stdout|int }}"
+
 - name: "Set 'phpmyadmin_installed: True'"
   set_fact:
     phpmyadmin_installed: True