make k8sdeps.NewFactory() importable

k8sdeps/transformer/hash/namehash.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 hash
+
+import (
+	"fmt"
+
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/resource"
+	"sigs.k8s.io/kustomize/pkg/transformers"
+)
+
+type nameHashTransformer struct{}
+
+var _ transformers.Transformer = &nameHashTransformer{}
+
+// NewNameHashTransformer construct a nameHashTransformer.
+func NewNameHashTransformer() transformers.Transformer {
+	return &nameHashTransformer{}
+}
+
+// Transform appends hash to configmaps and secrets.
+func (o *nameHashTransformer) Transform(m resmap.ResMap) error {
+	for _, res := range m {
+		if res.IsGenerated() {
+			err := o.appendHash(res)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func (o *nameHashTransformer) appendHash(res *resource.Resource) error {
+	h, err := NewKustHash().Hash(res.Map())
+	if err != nil {
+		return err
+	}
+	nameWithHash := fmt.Sprintf("%s-%s", res.GetName(), h)
+	res.SetName(nameWithHash)
+	return nil
+}