add swift system classes

Change-Id: I60cf6048b05f928c5d2ab8344e1ce50d4eedb20e
diff --git a/swift/rings/default.yml b/swift/rings/default.yml
new file mode 100644
index 0000000..c0e06d6
--- /dev/null
+++ b/swift/rings/default.yml
@@ -0,0 +1,16 @@
+parameters:
+  swift:
+    ring_builder:
+      enabled: true
+      rings:
+        - partition_power: 9
+          replicas: 3
+          hours: 1
+          region: 1
+          devices:
+            - address: ${_param:swift_storage_node01_address}
+              device: ${_param:swift_device0}
+            - address: ${_param:swift_storage_node02_address}
+              device: ${_param:swift_device0}
+            - address: ${_param:swift_storage_node03_address}
+              device: ${_param:swift_device0}
\ No newline at end of file