Add an option to force logout if the home on server fails to mount

doc/localhome.md

@@ -14,20 +14,50 @@ Nothing
 ## Activation / Default
 To enable the local home directory, set the variable `localhome` to `true` (default: false).
 
+## Configuration / Variables
+
+  * **localhome**
+    This flag indicates whether to use home on local disk.
+    If set to `true` local user's home will be on local disk.
+    Type: *Boolean*
+    Values:
+    * `false` <-- (default)
+    * `true`
+  * **localhome_logout_missing_serverhome**
+    If this flag is set to `true`, the user will be logged out if mounting the serverhome failed.
+    Sometimes mounting the server homes fails, but the user still logs in.
+    For laptops used in schools, it's better to force the server home.
+    For teacher devices that can also be used outside of school, this flag must not be set.
+    Type:: *Boolean*
+    Values:
+    * `false`
+    * `true` <-- (default)
+
+
+localhome_logout_missing_serverhome
+
 ## Example
 
-* Hosts in group `laptops` will get the localhome.
+* Hosts in group `laptops` will get the localhome. Teacherlaptops will be part of the `laptop` group (children-entry).
 * All computers in the desktop group, except the PC with IP address 10.0.2.33, will have their home directory on the network (default).\
   The PC with IP address 10.0.2.33 also has a local home directory.
-* Hosts in group `desktop` will have home on net (default)
+* Hosts in group `desktop` will have home on net (default).
+* If mounting the server home fails on a local home device (except for teacher devices), the user is automatically logged out.
 
 inventory.yml
 ```
 laptops:
   hosts:
     10.0.1.[1-64]:
+  children:
+    teacherlaptops
   vars:
     localhome: true
+teacherlaptops:
+  hosts:
+    10.0.3.[1-32]:
+  vars:
+    localhome_logout_missing_serverhome: false
 desktops:
   hosts:
     10.0.2.[1-32]:

roles/lmn_localhome/defaults/main.yml

@@ -1,2 +1,3 @@
 ---
 localhome: false
+localhome_logout_missing_serverhome: true

roles/lmn_localhome/tasks/main.yml

@@ -34,6 +34,6 @@
     mode: '0755'
     content: |
       [[ "${UID}" -gt 10000 ]] && ! findmnt "/lmn/media/${USER}/home" > /dev/null && exit 0
-      {% if 'teacherlaptop' not in group_names %}
+      {% if localhome_logout_missing_serverhome %}
       [[ "${UID}" -gt 10000 ]] && ! findmnt /srv/samba/schools/default-school > /dev/null && exit 0
       {% endif %}