Add possibility to manage file permissions of config files.

Fixes-bug: PROD-36551
Change-Id: I96049fe250307ffc8d1e194b4b24374c0a4c5c26
diff --git a/metadata/service/file_permissions.yml b/metadata/service/file_permissions.yml
new file mode 100644
index 0000000..52be71c
--- /dev/null
+++ b/metadata/service/file_permissions.yml
@@ -0,0 +1,5 @@
+parameters:
+  heat:
+    directories:
+      /etc/heat:
+        mode: '0750'
\ No newline at end of file