change cluster schema (#2026)

* change cluster schema

* change cluster schema

vendor/sigs.k8s.io/kubefed/pkg/version/base.go

@@ -0,0 +1,32 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+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.
+*/
+
+package version
+
+// Base version information.
+//
+// This is the fallback data used when version information from git is not
+// provided via go ldflags (via Makefile).
+var (
+	version = "v0.0.1-alpha.0" // output of "git describe"
+	// the prerequisite is that the branch should be
+	// tagged using the correct versioning strategy.
+
+	gitCommit    = "unknown" // sha1 from git, output of $(git rev-parse HEAD)
+	gitTreeState = "unknown" // state of git tree, either "clean" or "dirty"
+
+	buildDate = "unknown" // build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
+)