Fix files permissions

Fixes-bug: PROD-36506
Change-Id: Ia50bd3de91dc50cda36cc07ae7b362ecbef08604
diff --git a/metadata/service/file_permissions.yml b/metadata/service/file_permissions.yml
new file mode 100644
index 0000000..4cecced
--- /dev/null
+++ b/metadata/service/file_permissions.yml
@@ -0,0 +1,11 @@
+parameters:
+  cinder:
+    directories:
+      /etc/cinder:
+        user: 'root'
+    files:
+      /etc/cinder/rootwrap.conf:
+        mode: '0640'
+        group: 'cinder'
+      /etc/cinder/api-paste.ini:
+        user: 'root'