Add transformerconfig package and default configs

pkg/transformerconfig/defaultconfig/defaultconfig.go

@@ -0,0 +1,31 @@
+/*
+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 defaultconfig provides the default
+// transformer configurations
+package defaultconfig
+
+import (
+	"bytes"
+)
+
+// GetDefaultPathConfigs returns the default pathConfigs data
+func GetDefaultPathConfigs() []byte {
+	configData := [][]byte{
+		[]byte(namePrefixPathConfigs),
+	}
+	return bytes.Join(configData, []byte(`\n`))
+}

pkg/transformerconfig/defaultconfig/namePrefix.go

@@ -0,0 +1,24 @@
+/*
+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 defaultconfig
+
+const (
+	namePrefixPathConfigs = `
+namePrefix:
+- path: metadata/name
+`
+)