Mostly var cleanup across ~80 files

roles/vnstat/tasks/main.yml

@@ -19,6 +19,13 @@
   shell: /usr/bin/vnstat -i {{ iiab_lan_iface }}
   when: iiab_lan_iface is defined
 
+
+# RECORD vnStat AS INSTALLED
+
+- name: "Set 'vnstat_installed: True'"
+  set_fact:
+    vnstat_installed: True
+
 - name: "Add 'vnstat_installed: True' to {{ iiab_state_file }}"
   lineinfile:
     dest: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
@@ -26,7 +33,7 @@
     line: 'vnstat_installed: True'
 
 
-- name: Enable & Start vnStat's systemd service (vnstat)
+- name: Enable & (Re)Start 'vnstat' systemd service, if vnstat_enabled
   systemd:
     name: vnstat
     daemon_reload: yes