refactor: openpitrix module

Signed-off-by: hongming <talonwan@yunify.com>

vendor/openpitrix.io/openpitrix/pkg/util/yamlutil/yaml.go

@@ -0,0 +1,20 @@
+// Copyright 2018 The OpenPitrix Authors. All rights reserved.
+// Use of this source code is governed by a Apache license
+// that can be found in the LICENSE file.
+
+package yamlutil
+
+import (
+	"github.com/ghodss/yaml"
+)
+
+// Marshals the object into JSON then converts JSON to YAML and returns the
+// YAML.
+func Encode(o interface{}) ([]byte, error) {
+	return yaml.Marshal(o)
+}
+
+// Converts YAML to JSON then uses JSON to unmarshal into an object.
+func Decode(y []byte, o interface{}) error {
+	return yaml.Unmarshal(y, o)
+}