Isolated content of pkg/kustomize

pkg/resource/resource.go

@@ -0,0 +1,55 @@
+/*
+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 resource
+
+import (
+	"encoding/json"
+
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/kubectl/pkg/kustomize/types"
+)
+
+// Resource represents a Kubernetes Resource Object for ex. Deployment, Server
+// ConfigMap etc.
+type Resource struct {
+	Data     *unstructured.Unstructured
+	Behavior string
+}
+
+// GVKN returns Group/Version/Kind/Name for the resource.
+func (r *Resource) GVKN() types.GroupVersionKindName {
+	var emptyZVKN types.GroupVersionKindName
+	if r.Data == nil {
+		return emptyZVKN
+	}
+	gvk := r.Data.GroupVersionKind()
+	return types.GroupVersionKindName{GVK: gvk, Name: r.Data.GetName()}
+}
+
+// ResourceCollection is a map from GroupVersionKindName to Resource
+type ResourceCollection map[types.GroupVersionKindName]*Resource
+
+func objectToUnstructured(in runtime.Object) (*unstructured.Unstructured, error) {
+	marshaled, err := json.Marshal(in)
+	if err != nil {
+		return nil, err
+	}
+	var out unstructured.Unstructured
+	err = out.UnmarshalJSON(marshaled)
+	return &out, err
+}