inspector: Prevent use of noauth in multi-region setup

In a multi-region environment without a local keystone, we should still
use authentication.

Change-Id: I9df0ddf6e0d56f0817256b07ae0a0a7021209663

ansible/roles/ironic/templates/ironic-inspector.conf.j2

@@ -2,7 +2,7 @@
 debug = {{ ironic_logging_debug }}
 log_dir = /var/log/kolla/ironic-inspector
 
-{% if not enable_keystone | bool %}
+{% if not ironic_enable_keystone_integration | bool %}
 auth_strategy = noauth
 {% endif %}
 listen_address = {{ api_interface_address }}

releasenotes/notes/fix-inspector-noauth-34fd5a2019591ce7.yaml

+---
+fixes:
+  - |
+    Fixes an issue where Ironic Inspector could be configured without
+    authentication in a multi-region environment in a region without a local
+    Keystone service.