vendor update for E2E framework

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/sigs.k8s.io/kustomize/pkg/transformers/prefixsuffixname.go

@@ -0,0 +1,109 @@
+/*
+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 transformers
+
+import (
+	"errors"
+	"fmt"
+
+	"sigs.k8s.io/kustomize/pkg/gvk"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/transformers/config"
+)
+
+// namePrefixSuffixTransformer contains the prefix, suffix, and the FieldSpecs
+// for each field needing a name prefix and suffix.
+type namePrefixSuffixTransformer struct {
+	prefix           string
+	suffix           string
+	fieldSpecsToUse  []config.FieldSpec
+	fieldSpecsToSkip []config.FieldSpec
+}
+
+var _ Transformer = &namePrefixSuffixTransformer{}
+
+var prefixSuffixFieldSpecsToSkip = []config.FieldSpec{
+	{
+		Gvk: gvk.Gvk{Kind: "CustomResourceDefinition"},
+	},
+}
+
+// NewNamePrefixSuffixTransformer makes a namePrefixSuffixTransformer.
+func NewNamePrefixSuffixTransformer(
+	np, ns string, fieldSpecs []config.FieldSpec) (Transformer, error) {
+	if len(np) == 0 && len(ns) == 0 {
+		return NewNoOpTransformer(), nil
+	}
+	if fieldSpecs == nil {
+		return nil, errors.New("fieldSpecs is not expected to be nil")
+	}
+	return &namePrefixSuffixTransformer{
+		prefix:           np,
+		suffix:           ns,
+		fieldSpecsToUse:  fieldSpecs,
+		fieldSpecsToSkip: prefixSuffixFieldSpecsToSkip}, nil
+}
+
+// Transform prepends the name prefix and appends the name suffix.
+func (o *namePrefixSuffixTransformer) Transform(m resmap.ResMap) error {
+	// Fill map "mf" with entries subject to name modification, and
+	// delete these entries from "m", so that for now m retains only
+	// the entries whose names will not be modified.
+	mf := resmap.ResMap{}
+	for id := range m {
+		found := false
+		for _, path := range o.fieldSpecsToSkip {
+			if id.Gvk().IsSelected(&path.Gvk) {
+				found = true
+				break
+			}
+		}
+		if !found {
+			mf[id] = m[id]
+			delete(m, id)
+		}
+	}
+
+	for id := range mf {
+		objMap := mf[id].Map()
+		for _, path := range o.fieldSpecsToUse {
+			if !id.Gvk().IsSelected(&path.Gvk) {
+				continue
+			}
+			err := mutateField(
+				objMap,
+				path.PathSlice(),
+				path.CreateIfNotPresent,
+				o.addPrefixSuffix)
+			if err != nil {
+				return err
+			}
+			newId := id.CopyWithNewPrefixSuffix(o.prefix, o.suffix)
+			m[newId] = mf[id]
+		}
+	}
+	return nil
+}
+
+func (o *namePrefixSuffixTransformer) addPrefixSuffix(
+	in interface{}) (interface{}, error) {
+	s, ok := in.(string)
+	if !ok {
+		return nil, fmt.Errorf("%#v is expected to be %T", in, s)
+	}
+	return fmt.Sprintf("%s%s%s", o.prefix, s, o.suffix), nil
+}