Fix myriad bugs in playbooks

Update inventory

tasks/users-preprocessing.yml

@@ -0,0 +1,15 @@
+---
+- name: Pre-processing
+  tags: always
+  block:
+    - name: Load users
+      include_vars:
+        file: users.yml
+    - name: Reconcile user targets with host targets to get host users
+      set_fact:
+        local_users: "{{ local_users | default([]) + [item if item.targets | intersect(targets) else None] }}"
+      with_items: "{{ users }}"
+    - name: Get administrative users
+      set_fact:
+        local_admin_users: "{{ local_admin_users | default([]) + [item.name if item.admin else None] }}"
+      with_items: "{{ local_users | difference([None]) }}"