Fix file permissions.

Fixes-bug: PROD-36504
Change-Id: I02edb8108a748fe2e97a5aeddc1a931d824439ad
diff --git a/metadata/service/file_permissions.yml b/metadata/service/file_permissions.yml
new file mode 100644
index 0000000..75bc0c5
--- /dev/null
+++ b/metadata/service/file_permissions.yml
@@ -0,0 +1,8 @@
+parameters:
+  neutron:
+    directories:
+      /etc/neutron:
+        mode: '0750'
+    files:
+      /etc/neutron/api-paste.ini:
+        mode: '0640'