Merge "Add precheck for Horizon config file renames in Caracal"

Author: Zuul

ansible/roles/horizon/tasks/precheck.yml

@@ -26,3 +26,25 @@
   when:
     - container_facts['horizon'] is not defined
     - inventory_hostname in groups[horizon.group]
+
+# TODO(mgoddard): Remove in the 2025.1 E release.
+- name: Check for old local_settings file
+  assert:
+    that:
+      - "'{{ node_custom_config }}/horizon/{{ inventory_hostname }}/local_settings' is not exists"
+      - "'{{ node_custom_config }}/horizon/local_settings' is not exists"
+    fail_msg: >-
+      Horizon configuration must now be provided using
+      /etc/kolla/config/horizon/_9998-kolla-settings.py rather than
+      /etc/kolla/config/horizon/local_settings.
+
+# TODO(mgoddard): Remove in the 2025.1 E release.
+- name: Check for old custom_local_settings file
+  assert:
+    that:
+      - "'{{ node_custom_config }}/horizon/{{ inventory_hostname }}/custom_local_settings' is not exists"
+      - "'{{ node_custom_config }}/horizon/custom_local_settings' is not exists"
+    fail_msg: >-
+      Custom horizon configuration must now be provided using
+      /etc/kolla/config/horizon/_9999-custom-settings.py rather than
+      /etc/kolla/config/horizon/custom_local_settings.