Isolated content of pkg/kustomize

pkg/resource/appresource.go

@@ -0,0 +1,57 @@
+/*
+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 (
+	"k8s.io/kubectl/pkg/loader"
+)
+
+//  NewFromResources returns a ResourceCollection given a resource path slice from kustomization file.
+func NewFromResources(loader loader.Loader, paths []string) (ResourceCollection, error) {
+	allResources := []ResourceCollection{}
+	for _, path := range paths {
+		content, err := loader.Load(path)
+		if err != nil {
+			return nil, err
+		}
+
+		res, err := decodeToResourceCollection(content)
+		if err != nil {
+			return nil, err
+		}
+		allResources = append(allResources, res)
+	}
+	return Merge(allResources...)
+}
+
+//  NewFromPatches returns a slice of Resources given a patch path slice from kustomization file.
+func NewFromPatches(loader loader.Loader, paths []string) ([]*Resource, error) {
+	allResources := []*Resource{}
+	for _, path := range paths {
+		content, err := loader.Load(path)
+		if err != nil {
+			return nil, err
+		}
+
+		res, err := decode(content)
+		if err != nil {
+			return nil, err
+		}
+		allResources = append(allResources, res...)
+	}
+	return allResources, nil
+}