Fix implementing printing from virtual machines.

Already installed "IPP everywhere" printers have to be replaced by
"driverless" printers.

Fix Listen address in cupsd.conf because VMBridge IP is not yet avaible
when cups is starting.

lmn-client.yml

@@ -268,6 +268,27 @@
         chdir: /lmn/vm/
       when: not vm_usage_information.stat.exists
 
+    - name: Detect if IPP-Everywhere printers exist
+      ansible.builtin.shell:
+        cmd: grep "IPP Everywhere" /etc/cups/printers.conf
+      register: ipp_everywhere
+      failed_when: ipp_everywhere.rc >= 2
+      changed_when: False
+
+    - name: Delete old IPP-Everywhere printers
+      shell:
+        cmd: |
+          for p in $(lpstat -p | cut -d" " -f2); do
+            lpadmin -x "$p"
+          done
+      when: not ipp_everywhere.rc
+
+    - name: Remove Listen on VMBridge
+      lineinfile:
+        dest: /etc/cups/cupsd.conf
+        line: 'Listen 192.168.122.1:631'
+        state: absent
+
 ## bookworm fixes/hacks:
     - name: Work around sddm hang on shutdown
       ansible.builtin.lineinfile:

roles/lmn_printer/tasks/main.yml

@@ -12,11 +12,11 @@
     line: '\1No'
     backrefs: yes
 
-- name: Listen on VMBridge
+- name: Listen on all Interfaces
   lineinfile:
     dest: /etc/cups/cupsd.conf
-    line: 'Listen 192.168.122.1:631'
-    insertafter: 'Listen localhost:631'
+    line: 'Listen *:631'
+    regexp: '^Listen localhost'
     state: present
 
 - name: Allow access from localhost and from VM