Google Cloud DNS dnsprovider rewrite/refactor for unit tests. Successfully Tested against both real backend and stubbed backend.

federation/pkg/dnsprovider/doc.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+dnsprovider supplies interfaces for dns service providers (e.g. Google Cloud DNS, AWS route53, etc).
+Implementations exist in the providers sub-package
+*/
+package dnsprovider