Manually update kustomize attachment points.

staging/src/k8s.io/cli-runtime/pkg/resource/builder.go

@@ -38,6 +38,7 @@ import (
 	"k8s.io/client-go/discovery"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/restmapper"
+	"sigs.k8s.io/kustomize/api/filesys"
 )
 
 var FileExtensions = []string{".json", ".yaml", ".yml"}
@@ -258,8 +259,14 @@ func (b *Builder) FilenameParam(enforceNamespace bool, filenameOptions *Filename
 		}
 	}
 	if filenameOptions.Kustomize != "" {
-		b.paths = append(b.paths, &KustomizeVisitor{filenameOptions.Kustomize,
-			NewStreamVisitor(nil, b.mapper, filenameOptions.Kustomize, b.schema)})
+		b.paths = append(
+			b.paths,
+			&KustomizeVisitor{
+				mapper:  b.mapper,
+				dirPath: filenameOptions.Kustomize,
+				schema:  b.schema,
+				fSys:    filesys.MakeFsOnDisk(),
+			})
 	}
 
 	if enforceNamespace {

staging/src/k8s.io/cli-runtime/pkg/resource/kustomizevisitor.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2019 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 (
+	"bytes"
+
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/krusty"
+)
+
+// KustomizeVisitor handles kustomization.yaml files.
+type KustomizeVisitor struct {
+	mapper *mapper
+	schema ContentValidator
+	// Directory expected to contain a kustomization file.
+	dirPath string
+	// File system containing dirPath.
+	fSys filesys.FileSystem
+	// Holds result of kustomize build, retained for tests.
+	yml []byte
+}
+
+// Visit passes the result of a kustomize build to a StreamVisitor.
+func (v *KustomizeVisitor) Visit(fn VisitorFunc) error {
+	kOpts := krusty.MakeDefaultOptions()
+	kOpts.DoLegacyResourceSort = true
+	k := krusty.MakeKustomizer(kOpts)
+	m, err := k.Run(v.fSys, v.dirPath)
+	if err != nil {
+		return err
+	}
+	v.yml, err = m.AsYaml()
+	if err != nil {
+		return err
+	}
+	sv := NewStreamVisitor(
+		bytes.NewReader(v.yml), v.mapper, v.dirPath, v.schema)
+	return sv.Visit(fn)
+}

staging/src/k8s.io/cli-runtime/pkg/resource/kustomizevisitor_test.go

@@ -14,13 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package kustomize
+package resource
 
 import (
-	"bytes"
+	"github.com/davecgh/go-spew/spew"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/konfig"
 	"testing"
-
-	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 const (
@@ -79,7 +79,7 @@ metadata:
     note: This is a test annotation
   labels:
     app: nginx
-  name: foo-ns1-bar
+  name: ns1
 ---
 apiVersion: v1
 data:
@@ -91,7 +91,7 @@ metadata:
     note: This is a test annotation
   labels:
     app: nginx
-  name: foo-literalConfigMap-bar-8d2dkb8k24
+  name: foo-literalConfigMap-bar-g5f6t456f5
   namespace: ns1
 ---
 apiVersion: v1
@@ -104,7 +104,7 @@ metadata:
     note: This is a test annotation
   labels:
     app: nginx
-  name: foo-secret-bar-9btc7bt4kb
+  name: foo-secret-bar-82c2g5f8f6
   namespace: ns1
 type: Opaque
 ---
@@ -131,20 +131,29 @@ spec:
 `
 )
 
-func TestResources1(t *testing.T) {
-	fSys := fs.MakeFakeFS()
-	fSys.WriteFile("/kustomization.yaml", []byte(kustomizationContent1))
-	fSys.WriteFile("/deployment.yaml", []byte(deploymentContent))
-	fSys.WriteFile("/namespace.yaml", []byte(namespaceContent))
-	fSys.WriteFile("/jsonpatch.json", []byte(jsonpatchContent))
-
-	var out bytes.Buffer
-	err := RunKustomizeBuild(&out, fSys, "/")
-	if err != nil {
-		t.Fatalf("unexpected Resources error %v", err)
+func TestKustomizeVisitor(t *testing.T) {
+	fSys := filesys.MakeFsInMemory()
+	fSys.WriteFile(
+		konfig.DefaultKustomizationFileName(),
+		[]byte(kustomizationContent1))
+	fSys.WriteFile("deployment.yaml", []byte(deploymentContent))
+	fSys.WriteFile("namespace.yaml", []byte(namespaceContent))
+	fSys.WriteFile("jsonpatch.json", []byte(jsonpatchContent))
+	b := newDefaultBuilder()
+	kv := KustomizeVisitor{
+		mapper:  b.mapper,
+		dirPath: ".",
+		schema:  b.schema,
+		fSys:    fSys,
 	}
-
-	if out.String() != expectedContent {
-		t.Fatalf("expected:\n%s\nbut got:\n%s", expectedContent, out.String())
+	tv := &testVisitor{}
+	if err := kv.Visit(tv.Handle); err != nil {
+		t.Fatal(err)
+	}
+	if len(tv.Infos) != 4 {
+		t.Fatal(spew.Sdump(tv.Infos))
+	}
+	if string(kv.yml) != expectedContent {
+		t.Fatalf("expected:\n%s\nbut got:\n%s", expectedContent, string(kv.yml))
 	}
 }

staging/src/k8s.io/cli-runtime/pkg/resource/visitor.go

@@ -30,9 +30,6 @@ import (
 
 	"golang.org/x/text/encoding/unicode"
 	"golang.org/x/text/transform"
-
-	"sigs.k8s.io/kustomize/pkg/fs"
-
 	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/api/meta"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -42,7 +39,6 @@ import (
 	utilerrors "k8s.io/apimachinery/pkg/util/errors"
 	"k8s.io/apimachinery/pkg/util/yaml"
 	"k8s.io/apimachinery/pkg/watch"
-	"k8s.io/cli-runtime/pkg/kustomize"
 )
 
 const (
@@ -528,24 +524,6 @@ func (v *FileVisitor) Visit(fn VisitorFunc) error {
 	return v.StreamVisitor.Visit(fn)
 }
 
-// KustomizeVisitor is wrapper around a StreamVisitor, to handle Kustomization directories
-type KustomizeVisitor struct {
-	Path string
-	*StreamVisitor
-}
-
-// Visit in a KustomizeVisitor gets the output of Kustomize build and save it in the Streamvisitor
-func (v *KustomizeVisitor) Visit(fn VisitorFunc) error {
-	fSys := fs.MakeRealFS()
-	var out bytes.Buffer
-	err := kustomize.RunKustomizeBuild(&out, fSys, v.Path)
-	if err != nil {
-		return err
-	}
-	v.StreamVisitor.Reader = bytes.NewReader(out.Bytes())
-	return v.StreamVisitor.Visit(fn)
-}
-
 // StreamVisitor reads objects from an io.Reader and walks them. A stream visitor can only be
 // visited once.
 // TODO: depends on objects being in JSON format before being passed to decode - need to implement

staging/src/k8s.io/kubectl/pkg/cmd/kustomize/kustomize.go

@@ -17,76 +17,24 @@ limitations under the License.
 package kustomize
 
 import (
-	"errors"
 	"github.com/spf13/cobra"
-
 	"k8s.io/cli-runtime/pkg/genericclioptions"
-	"k8s.io/cli-runtime/pkg/kustomize"
 	"k8s.io/kubectl/pkg/util/i18n"
 	"k8s.io/kubectl/pkg/util/templates"
-	"sigs.k8s.io/kustomize/pkg/fs"
-)
-
-type kustomizeOptions struct {
-	kustomizationDir string
-}
-
-var (
-	kustomizeLong = templates.LongDesc(i18n.T(`
-Print a set of API resources generated from instructions in a kustomization.yaml file.
-
-The argument must be the path to the directory containing
-the file, or a git repository
-URL with a path suffix specifying same with respect to the
-repository root.
-
-  kubectl kustomize somedir
-	`))
-
-	kustomizeExample = templates.Examples(i18n.T(`
-# Use the current working directory
-  kubectl kustomize .
-
-# Use some shared configuration directory
-  kubectl kustomize /home/configuration/production
-
-# Use a URL
-  kubectl kustomize github.com/kubernetes-sigs/kustomize.git/examples/helloWorld?ref=v1.0.6
-`))
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/kustomize/v4/commands/build"
 )
 
-// NewCmdKustomize returns a kustomize command
+// NewCmdKustomize returns an adapted kustomize build command.
 func NewCmdKustomize(streams genericclioptions.IOStreams) *cobra.Command {
-	var o kustomizeOptions
-
-	cmd := &cobra.Command{
-		Use:     "kustomize <dir>",
-		Short:   i18n.T("Build a kustomization target from a directory or a remote url."),
-		Long:    kustomizeLong,
-		Example: kustomizeExample,
-
-		RunE: func(cmd *cobra.Command, args []string) error {
-			err := o.Validate(args)
-			if err != nil {
-				return err
-			}
-			return kustomize.RunKustomizeBuild(streams.Out, fs.MakeRealFS(), o.kustomizationDir)
+	h := build.MakeHelp("kubectl", "kustomize")
+	return build.NewCmdBuild(
+		filesys.MakeFsOnDisk(),
+		&build.Help{
+			Use:     h.Use,
+			Short:   i18n.T(h.Short),
+			Long:    templates.LongDesc(i18n.T(h.Long)),
+			Example: templates.Examples(i18n.T(h.Example)),
 		},
-	}
-
-	return cmd
-}
-
-// Validate validates build command.
-func (o *kustomizeOptions) Validate(args []string) error {
-	if len(args) > 1 {
-		return errors.New("specify one path to a kustomization directory")
-	}
-	if len(args) == 0 {
-		o.kustomizationDir = "./"
-	} else {
-		o.kustomizationDir = args[0]
-	}
-
-	return nil
+		streams.Out)
 }