Add Fluentbit as hostFilesystem Exception

Required for fluentbit to run. Should patch in 1.15 as well...

chart/templates/gatekeeper/values.yaml

@@ -34,12 +34,20 @@ violations:  # Try to keep this in alpha order to make it easier to find keys
         - mattermost/init-check-database
       {{- end }}
 
-  {{- if .Values.monitoring.enabled}}
+  {{- if or .Values.monitoring.enabled .Values.fluentbit.enabled }}
   allowedHostFilesystem:
+    {{- if .Values.monitoring.enabled }}
     match:
       excludedNamespaces:
         # Prometheus-node-exporter needs access to host to get node metrics
         - monitoring
+    {{- end }}
+    {{- if .Values.fluentbit.enabled }}
+    parameters:
+      excludedResources:
+        # Fluentbit pods need access to host to get log files
+        - logging/logging-fluent-bit-.*
+    {{- end }}
   {{- end }}
 
   {{- if .Values.addons.mattermost.enabled }}