Add possibility to manage file permissions of config files

Fixes-bug: PROD-36556
Change-Id: I223410209d15e5232bdf85c5b1634a5e00401c71
diff --git a/metadata/service/file_permissions.yml b/metadata/service/file_permissions.yml
new file mode 100644
index 0000000..9bee5d1
--- /dev/null
+++ b/metadata/service/file_permissions.yml
@@ -0,0 +1,5 @@
+parameters:
+  aodh:
+    directories:
+      /etc/aodh:
+        mode: '0750'
\ No newline at end of file