Merge pull request #1679 from monopole/updateCloudbuildAgain

Improve the release process instructions

.gitignore

@@ -4,7 +4,6 @@
 *.dll
 *.so
 *.dylib
-/kustomize
 
 # Test binary, build with `go test -c`
 *.test

.travis.yml

@@ -1,7 +1,11 @@
 os:
   - linux
-  - osx
-# TODO: Uncomment when tests running on Windows.
+# TODO: Uncomment this when someone figures out how
+# to speed up the slowness of homebrew installation on
+# oxs; presumably cache images?
+#  - osx
+#
+# TODO: Uncomment when some gets the tests running on Windows.
 #  - windows
 
 addons:
@@ -20,18 +24,12 @@ git:
 language: go
 
 go:
-  - "1.12"
+  - "1.13"
 
 go_import_path: sigs.k8s.io/kustomize
 
 before_install:
   - source ./travis/consider-early-travis-exit.sh
-  - curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.17.1
-  - go get -u github.com/monopole/mdrip
-  # The following would install Helm if needed for some reason.
-  # - wget https://storage.googleapis.com/kubernetes-helm/helm-v2.13.1-linux-amd64.tar.gz
-  # - tar -xvzf helm-v2.13.1-linux-amd64.tar.gz
-  # - sudo mv linux-amd64/helm /usr/local/bin/helm
 
 # Skip the install process; let pre-commit.sh do it.
 install: true

Makefile

@@ -1,5 +1,7 @@
 BIN_NAME=kustomize
 
+COVER_FILE=coverage.out
+
 export GO111MODULE=on
 
 all: test build
@@ -21,8 +23,15 @@ build:
 install:
 	go install $(PWD)/cmd/kustomize
 
+cover:
+	# The plugin directory eludes coverage, and is therefore omitted
+	go test ./pkg/... ./k8sdeps/... ./internal/... -coverprofile=$(COVER_FILE) && \
+	go tool cover -html=$(COVER_FILE)
+
+
 clean:
 	go clean
 	rm -f $(BIN_NAME)
+	rm -f $(COVER_FILE)
 
-.PHONY: test build install clean generate-code test-go test-lint
+.PHONY: test build install clean generate-code test-go test-lint cover

README.md

@@ -1,7 +1,5 @@
 # kustomize
 
-_[v3.0.2](https://github.com/kubernetes-sigs/kustomize/releases/tag/v3.0.2) is the latest release._
-
 `kustomize` lets you customize raw, template-free YAML
 files for multiple purposes, leaving the original YAML
 untouched and usable as is.
@@ -30,6 +28,7 @@ Since [v1.14][kubectl announcement] the kustomize build system has been included
 
 | kubectl version | kustomize version |
 |---------|--------|
+| v1.16.0 | [v2.0.3](https://github.com/kubernetes-sigs/kustomize/tree/v2.0.3) |
 | v1.15.x | [v2.0.3](https://github.com/kubernetes-sigs/kustomize/tree/v2.0.3) |
 | v1.14.x | [v2.0.3](https://github.com/kubernetes-sigs/kustomize/tree/v2.0.3) |
 

api/filesys/confirmeddir.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 fs
+package filesys
 
 import (
 	"io/ioutil"
@@ -27,7 +14,7 @@ import (
 type ConfirmedDir string
 
 // NewTmpConfirmedDir returns a temporary dir, else error.
-// The directory is cleaned, no symlinks, etc. so its
+// The directory is cleaned, no symlinks, etc. so it's
 // returned as a ConfirmedDir.
 func NewTmpConfirmedDir() (ConfirmedDir, error) {
 	n, err := ioutil.TempDir("", "kustomize-")
@@ -36,13 +23,12 @@ func NewTmpConfirmedDir() (ConfirmedDir, error) {
 	}
 
 	// In MacOs `ioutil.TempDir` creates a directory
-	// with root in the `/var` folder, which is in turn a symlinked path
-	// to `/private/var`.
+	// with root in the `/var` folder, which is in turn
+	// a symlinked path to `/private/var`.
 	// Function `filepath.EvalSymlinks`is used to
 	// resolve the real absolute path.
 	deLinked, err := filepath.EvalSymlinks(n)
 	return ConfirmedDir(deLinked), err
-
 }
 
 // HasPrefix returns true if the directory argument

api/filesys/confirmeddir_test.go

@@ -1,28 +1,17 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 fs
+package filesys_test
 
 import (
 	"path/filepath"
 	"testing"
+
+	. "sigs.k8s.io/kustomize/api/filesys"
 )
 
 func TestJoin(t *testing.T) {
-	fSys := MakeFakeFS()
+	fSys := MakeFsInMemory()
 	err := fSys.Mkdir("/foo")
 	if err != nil {
 		t.Fatalf("unexpected err: %v", err)
@@ -40,7 +29,8 @@ func TestJoin(t *testing.T) {
 }
 
 func TestHasPrefix_Slash(t *testing.T) {
-	d, f, err := MakeFakeFS().CleanedAbs("/")
+	fSys := MakeFsInMemory()
+	d, f, err := fSys.CleanedAbs("/")
 	if err != nil {
 		t.Fatalf("unexpected err: %v", err)
 	}
@@ -56,7 +46,7 @@ func TestHasPrefix_Slash(t *testing.T) {
 }
 
 func TestHasPrefix_SlashFoo(t *testing.T) {
-	fSys := MakeFakeFS()
+	fSys := MakeFsInMemory()
 	err := fSys.Mkdir("/foo")
 	if err != nil {
 		t.Fatalf("unexpected err: %v", err)
@@ -77,7 +67,7 @@ func TestHasPrefix_SlashFoo(t *testing.T) {
 }
 
 func TestHasPrefix_SlashFooBar(t *testing.T) {
-	fSys := MakeFakeFS()
+	fSys := MakeFsInMemory()
 	err := fSys.MkdirAll("/foo/bar")
 	if err != nil {
 		t.Fatalf("unexpected err: %v", err)

api/filesys/file.go

@@ -0,0 +1,41 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"io"
+	"os"
+	"time"
+)
+
+var _ os.FileInfo = &fileInfo{}
+
+// fileInfo implements os.FileInfo for a fileInMemory instance.
+type fileInfo struct {
+	*fileInMemory
+}
+
+// Name returns the name of the file
+func (fi *fileInfo) Name() string { return fi.name }
+
+// Size returns the size of the file
+func (fi *fileInfo) Size() int64 { return int64(len(fi.content)) }
+
+// Mode returns the file mode
+func (fi *fileInfo) Mode() os.FileMode { return 0777 }
+
+// ModTime returns the modification time
+func (fi *fileInfo) ModTime() time.Time { return time.Time{} }
+
+// IsDir returns if it is a directory
+func (fi *fileInfo) IsDir() bool { return fi.dir }
+
+// Sys should return underlying data source, but it now returns nil
+func (fi *fileInfo) Sys() interface{} { return nil }
+
+// File groups the basic os.File methods.
+type File interface {
+	io.ReadWriteCloser
+	Stat() (os.FileInfo, error)
+}

api/filesys/fileinmemory.go

@@ -0,0 +1,56 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"bytes"
+	"os"
+)
+
+var _ File = &fileInMemory{}
+
+// fileInMemory implements File in-memory for tests.
+type fileInMemory struct {
+	name    string
+	content []byte
+	dir     bool
+	open    bool
+}
+
+// makeDir makes a fake directory.
+func makeDir(name string) *fileInMemory {
+	return &fileInMemory{name: name, dir: true}
+}
+
+// Close marks the fake file closed.
+func (f *fileInMemory) Close() error {
+	f.open = false
+	return nil
+}
+
+// Read never fails, and doesn't mutate p.
+func (f *fileInMemory) Read(p []byte) (n int, err error) {
+	return len(p), nil
+}
+
+// Write saves the contents of the argument to memory.
+func (f *fileInMemory) Write(p []byte) (n int, err error) {
+	f.content = p
+	return len(p), nil
+}
+
+// ContentMatches returns true if v matches fake file's content.
+func (f *fileInMemory) ContentMatches(v []byte) bool {
+	return bytes.Equal(v, f.content)
+}
+
+// GetContent the content of a fake file.
+func (f *fileInMemory) GetContent() []byte {
+	return f.content
+}
+
+// Stat returns nil.
+func (f *fileInMemory) Stat() (os.FileInfo, error) {
+	return nil, nil
+}

api/filesys/fileondisk.go

@@ -0,0 +1,27 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"os"
+)
+
+var _ File = &fileOnDisk{}
+
+// fileOnDisk implements File using the local filesystem.
+type fileOnDisk struct {
+	file *os.File
+}
+
+// Close closes a file.
+func (f *fileOnDisk) Close() error { return f.file.Close() }
+
+// Read reads a file's content.
+func (f *fileOnDisk) Read(p []byte) (n int, err error) { return f.file.Read(p) }
+
+// Write writes bytes to a file
+func (f *fileOnDisk) Write(p []byte) (n int, err error) { return f.file.Write(p) }
+
+// Stat returns an interface which has all the information regarding the file.
+func (f *fileOnDisk) Stat() (os.FileInfo, error) { return f.file.Stat() }

api/filesys/filesystem.go

@@ -0,0 +1,41 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package filesys provides a file system abstraction layer.
+package filesys
+
+import (
+	"path/filepath"
+)
+
+// FileSystem groups basic os filesystem methods.
+type FileSystem interface {
+	// Create a file.
+	Create(name string) (File, error)
+	// MkDir makes a directory.
+	Mkdir(path string) error
+	// MkDir makes a directory path, creating intervening directories.
+	MkdirAll(path string) error
+	// RemoveAll removes path and any children it contains.
+	RemoveAll(path string) error
+	// Open opens the named file for reading.
+	Open(path string) (File, error)
+	// IsDir returns true if the path is a directory.
+	IsDir(path string) bool
+	// CleanedAbs converts the given path into a
+	// directory and a file name, where the directory
+	// is represented as a ConfirmedDir and all that implies.
+	// If the entire path is a directory, the file component
+	// is an empty string.
+	CleanedAbs(path string) (ConfirmedDir, string, error)
+	// Exists is true if the path exists in the file system.
+	Exists(path string) bool
+	// Glob returns the list of matching files
+	Glob(pattern string) ([]string, error)
+	// ReadFile returns the contents of the file at the given path.
+	ReadFile(path string) ([]byte, error)
+	// WriteFile writes the data to a file at the given path.
+	WriteFile(path string, data []byte) error
+	// Walk walks the file system with the given WalkFunc.
+	Walk(path string, walkFn filepath.WalkFunc) error
+}

api/filesys/fsinmemory.go

@@ -0,0 +1,223 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+)
+
+var _ FileSystem = &fsInMemory{}
+
+// fsInMemory implements FileSystem using a in-memory filesystem
+// primarily for use in tests.
+type fsInMemory struct {
+	m map[string]*fileInMemory
+}
+
+// MakeFsInMemory returns an instance of fsInMemory with no files in it.
+func MakeFsInMemory() FileSystem {
+	result := &fsInMemory{m: map[string]*fileInMemory{}}
+	result.Mkdir(separator)
+	return result
+}
+
+const (
+	separator = string(filepath.Separator)
+	doubleSep = separator + separator
+)
+
+// Create assures a fake file appears in the in-memory file system.
+func (fs *fsInMemory) Create(name string) (File, error) {
+	f := &fileInMemory{}
+	f.open = true
+	fs.m[name] = f
+	return fs.m[name], nil
+}
+
+// Mkdir assures a fake directory appears in the in-memory file system.
+func (fs *fsInMemory) Mkdir(name string) error {
+	fs.m[name] = makeDir(name)
+	return nil
+}
+
+// MkdirAll delegates to Mkdir
+func (fs *fsInMemory) MkdirAll(name string) error {
+	return fs.Mkdir(name)
+}
+
+// RemoveAll presumably does rm -r on a path.
+// There's no error.
+func (fs *fsInMemory) RemoveAll(name string) error {
+	var toRemove []string
+	for k := range fs.m {
+		if strings.HasPrefix(k, name) {
+			toRemove = append(toRemove, k)
+		}
+	}
+	for _, k := range toRemove {
+		delete(fs.m, k)
+	}
+	return nil
+}
+
+// Open returns a fake file in the open state.
+func (fs *fsInMemory) Open(name string) (File, error) {
+	if _, found := fs.m[name]; !found {
+		return nil, fmt.Errorf("file %q cannot be opened", name)
+	}
+	return fs.m[name], nil
+}
+
+// CleanedAbs cannot fail.
+func (fs *fsInMemory) CleanedAbs(path string) (ConfirmedDir, string, error) {
+	if fs.IsDir(path) {
+		return ConfirmedDir(path), "", nil
+	}
+	d := filepath.Dir(path)
+	if d == path {
+		return ConfirmedDir(d), "", nil
+	}
+	return ConfirmedDir(d), filepath.Base(path), nil
+}
+
+// Exists returns true if file is known.
+func (fs *fsInMemory) Exists(name string) bool {
+	_, found := fs.m[name]
+	return found
+}
+
+// Glob returns the list of matching files
+func (fs *fsInMemory) Glob(pattern string) ([]string, error) {
+	var result []string
+	for p := range fs.m {
+		if fs.pathMatch(p, pattern) {
+			result = append(result, p)
+		}
+	}
+	sort.Strings(result)
+	return result, nil
+}
+
+// IsDir returns true if the file exists and is a directory.
+func (fs *fsInMemory) IsDir(name string) bool {
+	f, found := fs.m[name]
+	if found && f.dir {
+		return true
+	}
+	if !strings.HasSuffix(name, separator) {
+		name = name + separator
+	}
+	for k := range fs.m {
+		if strings.HasPrefix(k, name) {
+			return true
+		}
+	}
+	return false
+}
+
+// ReadFile always returns an empty bytes and error depending on content of m.
+func (fs *fsInMemory) ReadFile(name string) ([]byte, error) {
+	if ff, found := fs.m[name]; found {
+		return ff.content, nil
+	}
+	return nil, fmt.Errorf("cannot read file %q", name)
+}
+
+// WriteFile always succeeds and does nothing.
+func (fs *fsInMemory) WriteFile(name string, c []byte) error {
+	ff := &fileInMemory{}
+	ff.Write(c)
+	fs.m[name] = ff
+	return nil
+}
+
+// Walk implements filepath.Walk using the fake filesystem.
+func (fs *fsInMemory) Walk(path string, walkFn filepath.WalkFunc) error {
+	info, err := fs.lstat(path)
+	if err != nil {
+		err = walkFn(path, info, err)
+	} else {
+		err = fs.walk(path, info, walkFn)
+	}
+	if err == filepath.SkipDir {
+		return nil
+	}
+	return err
+}
+
+func (fs *fsInMemory) pathMatch(path, pattern string) bool {
+	match, _ := filepath.Match(pattern, path)
+	return match
+}
+
+func (fs *fsInMemory) lstat(path string) (*fileInfo, error) {
+	f, found := fs.m[path]
+	if !found {
+		return nil, os.ErrNotExist
+	}
+	return &fileInfo{f}, nil
+}
+
+func (fs *fsInMemory) join(elem ...string) string {
+	for i, e := range elem {
+		if e != "" {
+			return strings.Replace(
+				strings.Join(elem[i:], separator), doubleSep, separator, -1)
+		}
+	}
+	return ""
+}
+
+func (fs *fsInMemory) readDirNames(path string) []string {
+	var names []string
+	if !strings.HasSuffix(path, separator) {
+		path += separator
+	}
+	pathSegments := strings.Count(path, separator)
+	for name := range fs.m {
+		if name == path {
+			continue
+		}
+		if strings.Count(name, separator) > pathSegments {
+			continue
+		}
+		if strings.HasPrefix(name, path) {
+			names = append(names, filepath.Base(name))
+		}
+	}
+	sort.Strings(names)
+	return names
+}
+
+func (fs *fsInMemory) walk(path string, info os.FileInfo, walkFn filepath.WalkFunc) error {
+	if !info.IsDir() {
+		return walkFn(path, info, nil)
+	}
+
+	names := fs.readDirNames(path)
+	if err := walkFn(path, info, nil); err != nil {
+		return err
+	}
+	for _, name := range names {
+		filename := fs.join(path, name)
+		fileInfo, err := fs.lstat(filename)
+		if err != nil {
+			if err := walkFn(filename, fileInfo, os.ErrNotExist); err != nil && err != filepath.SkipDir {
+				return err
+			}
+		} else {
+			err = fs.walk(filename, fileInfo, walkFn)
+			if err != nil {
+				if !fileInfo.IsDir() || err != filepath.SkipDir {
+					return err
+				}
+			}
+		}
+	}
+	return nil
+}

api/filesys/fsinmemory_test.go

@@ -0,0 +1,149 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys_test
+
+import (
+	"bytes"
+	"reflect"
+	"testing"
+
+	. "sigs.k8s.io/kustomize/api/filesys"
+)
+
+func TestExists(t *testing.T) {
+	fSys := MakeFsInMemory()
+	if fSys.Exists("foo") {
+		t.Fatalf("expected no foo")
+	}
+	fSys.Mkdir("/")
+	if !fSys.IsDir("/") {
+		t.Fatalf("expected dir at /")
+	}
+}
+
+func TestIsDir(t *testing.T) {
+	fSys := MakeFsInMemory()
+	expectedName := "my-dir"
+	err := fSys.Mkdir(expectedName)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	shouldExist(t, fSys, expectedName)
+	if !fSys.IsDir(expectedName) {
+		t.Fatalf(expectedName + " should be a dir")
+	}
+}
+
+func shouldExist(t *testing.T, fSys FileSystem, name string) {
+	if !fSys.Exists(name) {
+		t.Fatalf(name + " should exist")
+	}
+}
+
+func shouldNotExist(t *testing.T, fSys FileSystem, name string) {
+	if fSys.Exists(name) {
+		t.Fatalf(name + " should not exist")
+	}
+}
+
+func TestRemoveAll(t *testing.T) {
+	fSys := MakeFsInMemory()
+	fSys.WriteFile("/foo/project/file.yaml", []byte("Unused"))
+	fSys.WriteFile("/foo/project/subdir/file.yaml", []byte("Unused"))
+	fSys.WriteFile("/foo/apple/subdir/file.yaml", []byte("Unused"))
+	shouldExist(t, fSys, "/foo/project/file.yaml")
+	shouldExist(t, fSys, "/foo/project/subdir/file.yaml")
+	shouldExist(t, fSys, "/foo/apple/subdir/file.yaml")
+	err := fSys.RemoveAll("/foo/project")
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	shouldNotExist(t, fSys, "/foo/project/file.yaml")
+	shouldNotExist(t, fSys, "/foo/project/subdir/file.yaml")
+	shouldExist(t, fSys, "/foo/apple/subdir/file.yaml")
+}
+
+func TestIsDirDeeper(t *testing.T) {
+	fSys := MakeFsInMemory()
+	fSys.WriteFile("/foo/project/file.yaml", []byte("Unused"))
+	fSys.WriteFile("/foo/project/subdir/file.yaml", []byte("Unused"))
+	if !fSys.IsDir("/") {
+		t.Fatalf("/ should be a dir")
+	}
+	if !fSys.IsDir("/foo") {
+		t.Fatalf("/foo should be a dir")
+	}
+	if !fSys.IsDir("/foo/project") {
+		t.Fatalf("/foo/project should be a dir")
+	}
+	if fSys.IsDir("/fo") {
+		t.Fatalf("/fo should not be a dir")
+	}
+	if fSys.IsDir("/x") {
+		t.Fatalf("/x should not be a dir")
+	}
+}
+
+func TestCreate(t *testing.T) {
+	fSys := MakeFsInMemory()
+	f, err := fSys.Create("foo")
+	if f == nil {
+		t.Fatalf("expected file")
+	}
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+	shouldExist(t, fSys, "foo")
+}
+
+func TestReadFile(t *testing.T) {
+	fSys := MakeFsInMemory()
+	f, err := fSys.Create("foo")
+	if f == nil {
+		t.Fatalf("expected file")
+	}
+	if err != nil {
+		t.Fatalf("unexpected error")
+	}
+	content, err := fSys.ReadFile("foo")
+	if len(content) != 0 {
+		t.Fatalf("expected no content")
+	}
+	if err != nil {
+		t.Fatalf("expected no error")
+	}
+}
+
+func TestWriteFile(t *testing.T) {
+	fSys := MakeFsInMemory()
+	c := []byte("heybuddy")
+	err := fSys.WriteFile("foo", c)
+	if err != nil {
+		t.Fatalf("expected no error")
+	}
+	content, err := fSys.ReadFile("foo")
+	if err != nil {
+		t.Fatalf("expected read to work: %v", err)
+	}
+	if bytes.Compare(c, content) != 0 {
+		t.Fatalf("incorrect content: %v", content)
+	}
+}
+
+func TestGlob(t *testing.T) {
+	fSys := MakeFsInMemory()
+	fSys.Create("dir/foo")
+	fSys.Create("dir/bar")
+	files, err := fSys.Glob("dir/*")
+	if err != nil {
+		t.Fatalf("expected no error")
+	}
+	expected := []string{
+		"dir/bar",
+		"dir/foo",
+	}
+	if !reflect.DeepEqual(files, expected) {
+		t.Fatalf("incorrect files found by glob: %v", files)
+	}
+}

api/filesys/fsondisk.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 fs
+package filesys
 
 import (
 	"fmt"
@@ -24,43 +11,43 @@ import (
 	"path/filepath"
 )
 
-var _ FileSystem = realFS{}
+var _ FileSystem = fsOnDisk{}
 
-// realFS implements FileSystem using the local filesystem.
-type realFS struct{}
+// fsOnDisk implements FileSystem using the local filesystem.
+type fsOnDisk struct{}
 
-// MakeRealFS makes an instance of realFS.
-func MakeRealFS() FileSystem {
-	return realFS{}
+// MakeFsOnDisk makes an instance of fsOnDisk.
+func MakeFsOnDisk() FileSystem {
+	return fsOnDisk{}
 }
 
 // Create delegates to os.Create.
-func (realFS) Create(name string) (File, error) { return os.Create(name) }
+func (fsOnDisk) Create(name string) (File, error) { return os.Create(name) }
 
 // Mkdir delegates to os.Mkdir.
-func (realFS) Mkdir(name string) error {
+func (fsOnDisk) Mkdir(name string) error {
 	return os.Mkdir(name, 0777|os.ModeDir)
 }
 
 // MkdirAll delegates to os.MkdirAll.
-func (realFS) MkdirAll(name string) error {
+func (fsOnDisk) MkdirAll(name string) error {
 	return os.MkdirAll(name, 0777|os.ModeDir)
 }
 
 // RemoveAll delegates to os.RemoveAll.
-func (realFS) RemoveAll(name string) error {
+func (fsOnDisk) RemoveAll(name string) error {
 	return os.RemoveAll(name)
 }
 
 // Open delegates to os.Open.
-func (realFS) Open(name string) (File, error) { return os.Open(name) }
+func (fsOnDisk) Open(name string) (File, error) { return os.Open(name) }
 
-// CleanedAbs returns a cleaned, absolute path
-// with no symbolic links split into directory
-// and file components.  If the entire path is
-// a directory, the file component is an empty
-// string.
-func (x realFS) CleanedAbs(
+// CleanedAbs converts the given path into a
+// directory and a file name, where the directory
+// is represented as a ConfirmedDir and all that implies.
+// If the entire path is a directory, the file component
+// is an empty string.
+func (x fsOnDisk) CleanedAbs(
 	path string) (ConfirmedDir, string, error) {
 	absRoot, err := filepath.Abs(path)
 	if err != nil {
@@ -94,18 +81,18 @@ func (x realFS) CleanedAbs(
 }
 
 // Exists returns true if os.Stat succeeds.
-func (realFS) Exists(name string) bool {
+func (fsOnDisk) Exists(name string) bool {
 	_, err := os.Stat(name)
 	return err == nil
 }
 
 // Glob returns the list of matching files
-func (realFS) Glob(pattern string) ([]string, error) {
+func (fsOnDisk) Glob(pattern string) ([]string, error) {
 	return filepath.Glob(pattern)
 }
 
 // IsDir delegates to os.Stat and FileInfo.IsDir
-func (realFS) IsDir(name string) bool {
+func (fsOnDisk) IsDir(name string) bool {
 	info, err := os.Stat(name)
 	if err != nil {
 		return false
@@ -114,9 +101,14 @@ func (realFS) IsDir(name string) bool {
 }
 
 // ReadFile delegates to ioutil.ReadFile.
-func (realFS) ReadFile(name string) ([]byte, error) { return ioutil.ReadFile(name) }
+func (fsOnDisk) ReadFile(name string) ([]byte, error) { return ioutil.ReadFile(name) }
 
 // WriteFile delegates to ioutil.WriteFile with read/write permissions.
-func (realFS) WriteFile(name string, c []byte) error {
+func (fsOnDisk) WriteFile(name string, c []byte) error {
 	return ioutil.WriteFile(name, c, 0666)
 }
+
+// Walk delegates to filepath.Walk.
+func (fsOnDisk) Walk(path string, walkFn filepath.WalkFunc) error {
+	return filepath.Walk(path, walkFn)
+}

api/filesys/fsondisk_test.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 fs
+package filesys_test
 
 import (
 	"io/ioutil"
@@ -23,10 +10,12 @@ import (
 	"path/filepath"
 	"reflect"
 	"testing"
+
+	. "sigs.k8s.io/kustomize/api/filesys"
 )
 
 func makeTestDir(t *testing.T) (FileSystem, string) {
-	x := MakeRealFS()
+	fSys := MakeFsOnDisk()
 	td, err := ioutil.TempDir("", "kustomize_testing_dir")
 	if err != nil {
 		t.Fatalf("unexpected error %s", err)
@@ -35,20 +24,20 @@ func makeTestDir(t *testing.T) (FileSystem, string) {
 	if err != nil {
 		t.Fatalf("unexpected error %s", err)
 	}
-	if !x.Exists(testDir) {
+	if !fSys.Exists(testDir) {
 		t.Fatalf("expected existence")
 	}
-	if !x.IsDir(testDir) {
+	if !fSys.IsDir(testDir) {
 		t.Fatalf("expected directory")
 	}
-	return x, testDir
+	return fSys, testDir
 }
 
 func TestCleanedAbs_1(t *testing.T) {
-	x, testDir := makeTestDir(t)
+	fSys, testDir := makeTestDir(t)
 	defer os.RemoveAll(testDir)
 
-	d, f, err := x.CleanedAbs("")
+	d, f, err := fSys.CleanedAbs("")
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
 	}
@@ -65,10 +54,10 @@ func TestCleanedAbs_1(t *testing.T) {
 }
 
 func TestCleanedAbs_2(t *testing.T) {
-	x, testDir := makeTestDir(t)
+	fSys, testDir := makeTestDir(t)
 	defer os.RemoveAll(testDir)
 
-	d, f, err := x.CleanedAbs("/")
+	d, f, err := fSys.CleanedAbs("/")
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
 	}
@@ -81,16 +70,16 @@ func TestCleanedAbs_2(t *testing.T) {
 }
 
 func TestCleanedAbs_3(t *testing.T) {
-	x, testDir := makeTestDir(t)
+	fSys, testDir := makeTestDir(t)
 	defer os.RemoveAll(testDir)
 
-	err := x.WriteFile(
+	err := fSys.WriteFile(
 		filepath.Join(testDir, "foo"), []byte(`foo`))
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
 	}
 
-	d, f, err := x.CleanedAbs(filepath.Join(testDir, "foo"))
+	d, f, err := fSys.CleanedAbs(filepath.Join(testDir, "foo"))
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
 	}
@@ -100,25 +89,24 @@ func TestCleanedAbs_3(t *testing.T) {
 	if f != "foo" {
 		t.Fatalf("unexpected f=%s", f)
 	}
-
 }
 
 func TestCleanedAbs_4(t *testing.T) {
-	x, testDir := makeTestDir(t)
+	fSys, testDir := makeTestDir(t)
 	defer os.RemoveAll(testDir)
 
-	err := x.MkdirAll(filepath.Join(testDir, "d1", "d2"))
+	err := fSys.MkdirAll(filepath.Join(testDir, "d1", "d2"))
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
 	}
-	err = x.WriteFile(
+	err = fSys.WriteFile(
 		filepath.Join(testDir, "d1", "d2", "bar"),
 		[]byte(`bar`))
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
 	}
 
-	d, f, err := x.CleanedAbs(
+	d, f, err := fSys.CleanedAbs(
 		filepath.Join(testDir, "d1", "d2"))
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
@@ -130,7 +118,7 @@ func TestCleanedAbs_4(t *testing.T) {
 		t.Fatalf("unexpected f=%s", f)
 	}
 
-	d, f, err = x.CleanedAbs(
+	d, f, err = fSys.CleanedAbs(
 		filepath.Join(testDir, "d1", "d2", "bar"))
 	if err != nil {
 		t.Fatalf("unexpected err=%v", err)
@@ -144,26 +132,26 @@ func TestCleanedAbs_4(t *testing.T) {
 }
 
 func TestReadFilesRealFS(t *testing.T) {
-	x, testDir := makeTestDir(t)
+	fSys, testDir := makeTestDir(t)
 	defer os.RemoveAll(testDir)
 
-	err := x.WriteFile(path.Join(testDir, "foo"), []byte(`foo`))
+	err := fSys.WriteFile(path.Join(testDir, "foo"), []byte(`foo`))
 	if err != nil {
 		t.Fatalf("unexpected error %s", err)
 	}
-	if !x.Exists(path.Join(testDir, "foo")) {
+	if !fSys.Exists(path.Join(testDir, "foo")) {
 		t.Fatalf("expected foo")
 	}
-	if x.IsDir(path.Join(testDir, "foo")) {
+	if fSys.IsDir(path.Join(testDir, "foo")) {
 		t.Fatalf("expected foo not to be a directory")
 	}
 
-	err = x.WriteFile(path.Join(testDir, "bar"), []byte(`bar`))
+	err = fSys.WriteFile(path.Join(testDir, "bar"), []byte(`bar`))
 	if err != nil {
 		t.Fatalf("unexpected error %s", err)
 	}
 
-	files, err := x.Glob(path.Join("testDir", "*"))
+	files, err := fSys.Glob(path.Join("testDir", "*"))
 	expected := []string{
 		path.Join(testDir, "bar"),
 		path.Join(testDir, "foo"),

api/filesys/rpath.go

@@ -0,0 +1,12 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import "path/filepath"
+
+// RootedPath returns a rooted path, e.g. "/foo/bar" as
+// opposed to "foo/bar".
+func RootedPath(elem ...string) string {
+	return separator + filepath.Join(elem...)
+}

api/git/cloner.go

@@ -1,27 +1,15 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package git
 
 import (
 	"bytes"
+	"log"
 	"os/exec"
 
 	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
+	"sigs.k8s.io/kustomize/api/filesys"
 )
 
 // Cloner is a function that can clone a git repo.
@@ -35,7 +23,7 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 	if err != nil {
 		return errors.Wrap(err, "no 'git' program on path")
 	}
-	repoSpec.Dir, err = fs.NewTmpConfirmedDir()
+	repoSpec.Dir, err = filesys.NewTmpConfirmedDir()
 	if err != nil {
 		return err
 	}
@@ -45,8 +33,10 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 		repoSpec.Dir.String())
 	var out bytes.Buffer
 	cmd.Stdout = &out
+	cmd.Stderr = &out
 	err = cmd.Run()
 	if err != nil {
+		log.Printf("Error initializing empty git repo: %s", out.String())
 		return errors.Wrapf(
 			err,
 			"trouble initializing empty git repo in %s",
@@ -60,9 +50,11 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 		"origin",
 		repoSpec.CloneSpec())
 	cmd.Stdout = &out
+	cmd.Stderr = &out
 	cmd.Dir = repoSpec.Dir.String()
 	err = cmd.Run()
 	if err != nil {
+		log.Printf("Error setting git remote: %s", out.String())
 		return errors.Wrapf(
 			err,
 			"trouble adding remote %s",
@@ -78,9 +70,11 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 		"origin",
 		repoSpec.Ref)
 	cmd.Stdout = &out
+	cmd.Stderr = &out
 	cmd.Dir = repoSpec.Dir.String()
 	err = cmd.Run()
 	if err != nil {
+		log.Printf("Error performing git fetch: %s", out.String())
 		return errors.Wrapf(err, "trouble fetching %s", repoSpec.Ref)
 	}
 
@@ -90,12 +84,28 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 		"--hard",
 		"FETCH_HEAD")
 	cmd.Stdout = &out
+	cmd.Stderr = &out
 	cmd.Dir = repoSpec.Dir.String()
 	err = cmd.Run()
 	if err != nil {
+		log.Printf("Error performing git reset: %s", out.String())
 		return errors.Wrapf(
 			err, "trouble hard resetting empty repository to %s", repoSpec.Ref)
 	}
+
+	cmd = exec.Command(
+		gitProgram,
+		"submodule",
+		"update",
+		"--init",
+		"--recursive")
+	cmd.Stdout = &out
+	cmd.Dir = repoSpec.Dir.String()
+	err = cmd.Run()
+	if err != nil {
+		return errors.Wrapf(err, "trouble fetching submodules for %s", repoSpec.Ref)
+	}
+
 	return nil
 }
 
@@ -103,7 +113,7 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 // cloneDir field in the repoSpec.  It's assumed that
 // the cloneDir is associated with some fake filesystem
 // used in a test.
-func DoNothingCloner(dir fs.ConfirmedDir) Cloner {
+func DoNothingCloner(dir filesys.ConfirmedDir) Cloner {
 	return func(rs *RepoSpec) error {
 		rs.Dir = dir
 		return nil

api/git/repospec.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package git
 
@@ -22,7 +9,7 @@ import (
 	"regexp"
 	"strings"
 
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
+	"sigs.k8s.io/kustomize/api/filesys"
 )
 
 // Used as a temporary non-empty occupant of the cloneDir
@@ -30,7 +17,7 @@ import (
 // in various outputs (especially tests). Not using an
 // actual directory name here, as that's a temporary directory
 // with a unique name that isn't created until clone time.
-const notCloned = fs.ConfirmedDir("/notCloned")
+const notCloned = filesys.ConfirmedDir("/notCloned")
 
 // RepoSpec specifies a git repository and a branch and path therein.
 type RepoSpec struct {
@@ -46,7 +33,7 @@ type RepoSpec struct {
 	OrgRepo string
 
 	// Dir where the orgRepo is cloned to.
-	Dir fs.ConfirmedDir
+	Dir filesys.ConfirmedDir
 
 	// Relative path in the repository, and in the cloneDir,
 	// to a Kustomization.
@@ -67,7 +54,7 @@ func (x *RepoSpec) CloneSpec() string {
 	return x.Host + x.OrgRepo + x.GitSuffix
 }
 
-func (x *RepoSpec) CloneDir() fs.ConfirmedDir {
+func (x *RepoSpec) CloneDir() filesys.ConfirmedDir {
 	return x.Dir
 }
 
@@ -79,7 +66,7 @@ func (x *RepoSpec) AbsPath() string {
 	return x.Dir.Join(x.Path)
 }
 
-func (x *RepoSpec) Cleaner(fSys fs.FileSystem) func() error {
+func (x *RepoSpec) Cleaner(fSys filesys.FileSystem) func() error {
 	return func() error { return fSys.RemoveAll(x.Dir.String()) }
 }
 
@@ -90,7 +77,7 @@ func NewRepoSpecFromUrl(n string) (*RepoSpec, error) {
 	if filepath.IsAbs(n) {
 		return nil, fmt.Errorf("uri looks like abs path: %s", n)
 	}
-	host, orgRepo, path, gitRef, gitSuffix := parseGithubUrl(n)
+	host, orgRepo, path, gitRef, gitSuffix := parseGitUrl(n)
 	if orgRepo == "" {
 		return nil, fmt.Errorf("url lacks orgRepo: %s", n)
 	}
@@ -112,13 +99,13 @@ const (
 // From strings like git@github.com:someOrg/someRepo.git or
 // https://github.com/someOrg/someRepo?ref=someHash, extract
 // the parts.
-func parseGithubUrl(n string) (
+func parseGitUrl(n string) (
 	host string, orgRepo string, path string, gitRef string, gitSuff string) {
 
 	if strings.Contains(n, gitDelimiter) {
 		index := strings.Index(n, gitDelimiter)
 		// Adding _git/ to host
-		host = n[:index+len(gitDelimiter)]
+		host = normalizeGitHostSpec(n[:index+len(gitDelimiter)])
 		orgRepo = strings.Split(strings.Split(n[index+len(gitDelimiter):], "/")[0], "?")[0]
 		path, gitRef = peelQuery(n[index+len(gitDelimiter)+len(orgRepo):])
 		return
@@ -213,7 +200,7 @@ func normalizeGitHostSpec(host string) string {
 		}
 	}
 	if strings.HasPrefix(s, "git::") {
-		host = strings.TrimLeft(s, "git::")
+		host = strings.TrimPrefix(s, "git::")
 	}
 	return host
 }

api/git/repospec_test.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package git
 
@@ -187,6 +174,12 @@ func TestNewRepoSpecFromUrl_CloneSpecs(t *testing.T) {
 			absPath:   notCloned.Join("somedir"),
 			ref:       "v1.0.0",
 		},
+		{
+			input:     "git::https://itfs.mycompany.com/collection/project/_git/somerepos",
+			cloneSpec: "https://itfs.mycompany.com/collection/project/_git/somerepos",
+			absPath:   notCloned.String(),
+			ref:       "",
+		},
 	}
 	for _, testcase := range testcases {
 		rs, err := NewRepoSpecFromUrl(testcase.input)

api/go.mod

@@ -0,0 +1,21 @@
+module sigs.k8s.io/kustomize/api
+
+go 1.13
+
+require (
+	github.com/evanphx/json-patch v4.5.0+incompatible
+	github.com/go-openapi/spec v0.19.4
+	github.com/golang/protobuf v1.3.2 // indirect
+	github.com/pkg/errors v0.8.1
+	github.com/spf13/pflag v1.0.5
+	github.com/stretchr/testify v1.4.0 // indirect
+	golang.org/x/net v0.0.0-20190923162816-aa69164e4478 // indirect
+	golang.org/x/sys v0.0.0-20190922100055-0a153f010e69 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/yaml.v2 v2.2.4
+	k8s.io/api v0.0.0-20191016225839-816a9b7df678
+	k8s.io/apimachinery v0.0.0-20191020214737-6c8691705fc5
+	k8s.io/client-go v11.0.0+incompatible
+	k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d
+	sigs.k8s.io/yaml v1.1.0
+)

api/go.sum

@@ -0,0 +1,162 @@
+github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
+github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
+github.com/elazarl/goproxy v0.0.0-20170405201442-c4fc26588b6e/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
+github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633 h1:H2pdYOb3KQ1/YsqVWoWNLQO+fusocsw354rqGTZtAgw=
+github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
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+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+k8s.io/api v0.0.0-20191016225839-816a9b7df678 h1:z/0BV/tMBIvdwZvqBH/f7TWjQX9y3dj1nMNhrSK0h/8=
+k8s.io/api v0.0.0-20191016225839-816a9b7df678/go.mod h1:LZQaT8MvVpl7Bg2lYFcQm7+Mpdxq8p1NFl3yh+5DCwY=
+k8s.io/apimachinery v0.0.0-20191016225534-b1267f8c42b4/go.mod h1:92mWDd8Ji2sw2157KIgino5wCxffA8KSvhW2oY4ypdw=
+k8s.io/apimachinery v0.0.0-20191020214737-6c8691705fc5 h1:r3/YL3+t1U46lJF5zUSArskUpnLyWuM28rQDpM1qQPI=
+k8s.io/apimachinery v0.0.0-20191020214737-6c8691705fc5/go.mod h1:92mWDd8Ji2sw2157KIgino5wCxffA8KSvhW2oY4ypdw=
+k8s.io/client-go v11.0.0+incompatible h1:LBbX2+lOwY9flffWlJM7f1Ct8V2SRNiMRDFeiwnJo9o=
+k8s.io/client-go v11.0.0+incompatible/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
+k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
+k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
+k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
+k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
+k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d h1:Xpe6sK+RY4ZgCTyZ3y273UmFmURhjtoJiwOMbQsXitY=
+k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
+sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

api/hasher/hasher_test.go

@@ -6,7 +6,7 @@ package hasher_test
 import (
 	"testing"
 
-	. "sigs.k8s.io/kustomize/v3/pkg/hasher"
+	. "sigs.k8s.io/kustomize/api/hasher"
 )
 
 func TestSortArrayAndComputeHash(t *testing.T) {

api/ifc/ifc.go

@@ -5,8 +5,8 @@
 package ifc
 
 import (
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 // Validator provides functions to validate annotations and labels
@@ -20,6 +20,12 @@ type Validator interface {
 	IsEnvVarName(k string) error
 }
 
+// KvLoader reads and validates KV pairs.
+type KvLoader interface {
+	Validator() Validator
+	Load(args types.KvPairSources) (all []types.Pair, err error)
+}
+
 // Loader interface exposes methods to read bytes.
 type Loader interface {
 	// Root returns the root location for this Loader.
@@ -30,10 +36,6 @@ type Loader interface {
 	Load(location string) ([]byte, error)
 	// Cleanup cleans the loader
 	Cleanup() error
-	// Validator validates data for use in various k8s fields.
-	Validator() Validator
-	// Loads pairs.
-	LoadKvPairs(args types.GeneratorArgs) ([]types.Pair, error)
 }
 
 // Kunstructured allows manipulation of k8s objects
@@ -53,8 +55,8 @@ type Kunstructured interface {
 	GetMap(path string) (map[string]interface{}, error)
 	MarshalJSON() ([]byte, error)
 	UnmarshalJSON([]byte) error
-	GetGvk() gvk.Gvk
-	SetGvk(gvk.Gvk)
+	GetGvk() resid.Gvk
+	SetGvk(resid.Gvk)
 	GetKind() string
 	GetName() string
 	SetName(string)
@@ -74,11 +76,11 @@ type KunstructuredFactory interface {
 	FromMap(m map[string]interface{}) Kunstructured
 	Hasher() KunstructuredHasher
 	MakeConfigMap(
-		ldr Loader,
+		kvLdr KvLoader,
 		options *types.GeneratorOptions,
 		args *types.ConfigMapArgs) (Kunstructured, error)
 	MakeSecret(
-		ldr Loader,
+		kvLdr KvLoader,
 		options *types.GeneratorOptions,
 		args *types.SecretArgs) (Kunstructured, error)
 }

api/internal/accumulator/expansion/expand.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 // Package expansion provides functions find and replace $(FOO) style variables in strings.
 package expansion

api/internal/accumulator/expansion/expand_test.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package expansion_test
 
@@ -20,7 +7,7 @@ import (
 	"fmt"
 	"testing"
 
-	. "sigs.k8s.io/kustomize/v3/pkg/expansion"
+	. "sigs.k8s.io/kustomize/api/internal/accumulator/expansion"
 )
 
 type expected struct {

api/internal/accumulator/loadconfigfromcrds.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 config
+package accumulator
 
 import (
 	"encoding/json"
@@ -23,8 +10,10 @@ import (
 	"github.com/go-openapi/spec"
 	"github.com/pkg/errors"
 	"k8s.io/kube-openapi/pkg/common"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
@@ -33,8 +22,8 @@ type nameToApiMap map[string]common.OpenAPIDefinition
 
 // LoadConfigFromCRDs parse CRD schemas from paths into a TransformerConfig
 func LoadConfigFromCRDs(
-	ldr ifc.Loader, paths []string) (*TransformerConfig, error) {
-	tc := MakeEmptyConfig()
+	ldr ifc.Loader, paths []string) (*builtinconfig.TransformerConfig, error) {
+	tc := builtinconfig.MakeEmptyConfig()
 	for _, path := range paths {
 		content, err := ldr.Load(path)
 		if err != nil {
@@ -65,13 +54,13 @@ func makeNameToApiMap(content []byte) (result nameToApiMap, err error) {
 	return
 }
 
-func makeConfigFromApiMap(m nameToApiMap) (*TransformerConfig, error) {
-	result := MakeEmptyConfig()
+func makeConfigFromApiMap(m nameToApiMap) (*builtinconfig.TransformerConfig, error) {
+	result := builtinconfig.MakeEmptyConfig()
 	for name, api := range m {
 		if !looksLikeAk8sType(api.Schema.SchemaProps.Properties) {
 			continue
 		}
-		tc := MakeEmptyConfig()
+		tc := builtinconfig.MakeEmptyConfig()
 		err := loadCrdIntoConfig(
 			tc, makeGvkFromTypeName(name), m, name, []string{})
 		if err != nil {
@@ -88,10 +77,10 @@ func makeConfigFromApiMap(m nameToApiMap) (*TransformerConfig, error) {
 // TODO: Get Group and Version for CRD from the
 // openAPI definition once
 // "x-kubernetes-group-version-kind" is available in CRD
-func makeGvkFromTypeName(n string) gvk.Gvk {
+func makeGvkFromTypeName(n string) resid.Gvk {
 	names := strings.Split(n, ".")
 	kind := names[len(names)-1]
-	return gvk.Gvk{Kind: kind}
+	return resid.Gvk{Kind: kind}
 }
 
 func looksLikeAk8sType(properties myProperties) bool {
@@ -133,7 +122,7 @@ const (
 
 // loadCrdIntoConfig loads a CRD spec into a TransformerConfig
 func loadCrdIntoConfig(
-	theConfig *TransformerConfig, theGvk gvk.Gvk, theMap nameToApiMap,
+	theConfig *builtinconfig.TransformerConfig, theGvk resid.Gvk, theMap nameToApiMap,
 	typeName string, path []string) (err error) {
 	api, ok := theMap[typeName]
 	if !ok {
@@ -173,9 +162,9 @@ func loadCrdIntoConfig(
 					nameKey = "name"
 				}
 				err = theConfig.AddNamereferenceFieldSpec(
-					NameBackReferences{
-						Gvk: gvk.Gvk{Kind: kind, Version: version},
-						FieldSpecs: []FieldSpec{
+					builtinconfig.NameBackReferences{
+						Gvk: resid.Gvk{Kind: kind, Version: version},
+						FieldSpecs: []types.FieldSpec{
 							makeFs(theGvk, append(path, propName, nameKey))},
 					})
 				if err != nil {
@@ -192,8 +181,8 @@ func loadCrdIntoConfig(
 	return nil
 }
 
-func makeFs(in gvk.Gvk, path []string) FieldSpec {
-	return FieldSpec{
+func makeFs(in resid.Gvk, path []string) types.FieldSpec {
+	return types.FieldSpec{
 		CreateIfNotPresent: false,
 		Gvk:                in,
 		Path:               strings.Join(path, "/"),

api/internal/accumulator/loadconfigfromcrds_test.go

@@ -1,28 +1,18 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 config
+package accumulator_test
 
 import (
 	"reflect"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/internal/loadertest"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
+	"sigs.k8s.io/kustomize/api/ifc"
+	. "sigs.k8s.io/kustomize/api/internal/accumulator"
+	"sigs.k8s.io/kustomize/api/internal/loadertest"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 // This defines two CRD's:  Bee and MyKind.
@@ -155,30 +145,30 @@ func makeLoader(t *testing.T) ifc.Loader {
 }
 
 func TestLoadCRDs(t *testing.T) {
-	nbrs := []NameBackReferences{
+	nbrs := []builtinconfig.NameBackReferences{
 		{
-			Gvk: gvk.Gvk{Kind: "Secret", Version: "v1"},
-			FieldSpecs: []FieldSpec{
+			Gvk: resid.Gvk{Kind: "Secret", Version: "v1"},
+			FieldSpecs: []types.FieldSpec{
 				{
 					CreateIfNotPresent: false,
-					Gvk:                gvk.Gvk{Kind: "MyKind"},
+					Gvk:                resid.Gvk{Kind: "MyKind"},
 					Path:               "spec/secretRef/name",
 				},
 			},
 		},
 		{
-			Gvk: gvk.Gvk{Kind: "Bee", Version: "v1beta1"},
-			FieldSpecs: []FieldSpec{
+			Gvk: resid.Gvk{Kind: "Bee", Version: "v1beta1"},
+			FieldSpecs: []types.FieldSpec{
 				{
 					CreateIfNotPresent: false,
-					Gvk:                gvk.Gvk{Kind: "MyKind"},
+					Gvk:                resid.Gvk{Kind: "MyKind"},
 					Path:               "spec/beeRef/name",
 				},
 			},
 		},
 	}
 
-	expectedTc := &TransformerConfig{
+	expectedTc := &builtinconfig.TransformerConfig{
 		NameReference: nbrs,
 	}
 

api/internal/accumulator/namereferencetransformer.go

@@ -1,28 +1,28 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package transformers
+package accumulator
 
 import (
 	"fmt"
 	"log"
 
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
-
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/transform"
 )
 
 type nameReferenceTransformer struct {
-	backRefs []config.NameBackReferences
+	backRefs []builtinconfig.NameBackReferences
 }
 
-var _ Transformer = &nameReferenceTransformer{}
+var _ resmap.Transformer = &nameReferenceTransformer{}
 
-// NewNameReferenceTransformer constructs a nameReferenceTransformer
+// newNameReferenceTransformer constructs a nameReferenceTransformer
 // with a given slice of NameBackReferences.
-func NewNameReferenceTransformer(br []config.NameBackReferences) Transformer {
+func newNameReferenceTransformer(br []builtinconfig.NameBackReferences) resmap.Transformer {
 	if br == nil {
 		log.Fatal("backrefs not expected to be nil")
 	}
@@ -86,7 +86,7 @@ func (o *nameReferenceTransformer) Transform(m resmap.ResMap) error {
 					if candidates == nil {
 						candidates = m.SubsetThatCouldBeReferencedByResource(referrer)
 					}
-					err := MutateField(
+					err := transform.MutateField(
 						referrer.Map(),
 						fSpec.PathSlice(),
 						fSpec.CreateIfNotPresent,
@@ -115,7 +115,7 @@ func (o *nameReferenceTransformer) Transform(m resmap.ResMap) error {
 func (o *nameReferenceTransformer) selectReferral(
 	oldName string,
 	referrer *resource.Resource,
-	target gvk.Gvk,
+	target resid.Gvk,
 	referralCandidates resmap.ResMap,
 	referralCandidateSubset []*resource.Resource) (interface{}, interface{}, error) {
 
@@ -146,7 +146,7 @@ func (o *nameReferenceTransformer) selectReferral(
 func (o *nameReferenceTransformer) getSimpleNameField(
 	oldName string,
 	referrer *resource.Resource,
-	target gvk.Gvk,
+	target resid.Gvk,
 	referralCandidates resmap.ResMap,
 	referralCandidateSubset []*resource.Resource) (interface{}, error) {
 
@@ -161,7 +161,7 @@ func (o *nameReferenceTransformer) getSimpleNameField(
 func (o *nameReferenceTransformer) getNameAndNsStruct(
 	inMap map[string]interface{},
 	referrer *resource.Resource,
-	target gvk.Gvk,
+	target resid.Gvk,
 	referralCandidates resmap.ResMap) (interface{}, error) {
 
 	// Example:
@@ -209,7 +209,7 @@ func (o *nameReferenceTransformer) getNameAndNsStruct(
 
 func (o *nameReferenceTransformer) getNewNameFunc(
 	referrer *resource.Resource,
-	target gvk.Gvk,
+	target resid.Gvk,
 	referralCandidates resmap.ResMap) func(in interface{}) (interface{}, error) {
 	return func(in interface{}) (interface{}, error) {
 		switch in.(type) {
@@ -265,16 +265,6 @@ func (o *nameReferenceTransformer) getNewNameFunc(
 	}
 }
 
-func indexOf(s string, slice []string) []int {
-	var index []int
-	for i, item := range slice {
-		if item == s {
-			index = append(index, i)
-		}
-	}
-	return index
-}
-
 func getIds(rs []*resource.Resource) []string {
 	var result []string
 	for _, r := range rs {

api/internal/accumulator/namereferencetransformer_test.go

@@ -1,18 +1,18 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package transformers
+package accumulator
 
 import (
 	"strings"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/k8sdeps/kunstruct"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resmaptest"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
+	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/testutils/resmaptest"
 )
 
 func TestNameReferenceHappyRun(t *testing.T) {
@@ -52,7 +52,7 @@ func TestNameReferenceHappyRun(t *testing.T) {
 			},
 		}).Add(
 		map[string]interface{}{
-			"group":      "extensions",
+			"group":      "networking.k8s.io",
 			"apiVersion": "v1beta1",
 			"kind":       "Ingress",
 			"metadata": map[string]interface{}{
@@ -375,7 +375,7 @@ func TestNameReferenceHappyRun(t *testing.T) {
 			},
 		}).ReplaceResource(
 		map[string]interface{}{
-			"group":      "extensions",
+			"group":      "networking.k8s.io",
 			"apiVersion": "v1beta1",
 			"kind":       "Ingress",
 			"metadata": map[string]interface{}{
@@ -463,7 +463,7 @@ func TestNameReferenceHappyRun(t *testing.T) {
 			},
 		}).ResMap()
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	err := nrt.Transform(m)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
@@ -523,7 +523,7 @@ func TestNameReferenceUnhappyRun(t *testing.T) {
 			expectedErr: "is expected to contain a name field"},
 	}
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	for _, test := range tests {
 		err := nrt.Transform(test.resMap)
 		if err == nil {
@@ -581,7 +581,7 @@ func TestNameReferencePersistentVolumeHappyRun(t *testing.T) {
 
 	m1 := resmaptest_test.NewRmBuilder(t, rf).AddR(v1).AddR(c1).ResMap()
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	if err := nrt.Transform(m1); err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -720,7 +720,7 @@ func TestNameReferenceNamespace(t *testing.T) {
 		ReplaceResource(deploymentMap(ns1, prefixedname, prefixedname, prefixedname)).
 		ReplaceResource(deploymentMap(ns2, suffixedname, suffixedname, suffixedname)).ResMap()
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	err := nrt.Transform(m)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
@@ -877,13 +877,13 @@ func TestNameReferenceClusterWide(t *testing.T) {
 			}).ResMap()
 
 	clusterRoleId := resid.NewResId(
-		gvk.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRole"}, modifiedname)
+		resid.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRole"}, modifiedname)
 	clusterRoleBindingId := resid.NewResId(
-		gvk.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRoleBinding"}, modifiedname)
+		resid.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRoleBinding"}, modifiedname)
 	clusterRole, _ := expected.GetByCurrentId(clusterRoleId)
 	clusterRole.AppendRefBy(clusterRoleBindingId)
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	err := nrt.Transform(m)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
@@ -1005,13 +1005,13 @@ func TestNameReferenceNamespaceTransformation(t *testing.T) {
 			}).ResMap()
 
 	clusterRoleId := resid.NewResId(
-		gvk.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRole"}, modifiedname)
+		resid.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRole"}, modifiedname)
 	clusterRoleBindingId := resid.NewResId(
-		gvk.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRoleBinding"}, modifiedname)
+		resid.Gvk{Group: "rbac.authorization.k8s.io", Version: "v1", Kind: "ClusterRoleBinding"}, modifiedname)
 	clusterRole, _ := expected.GetByCurrentId(clusterRoleId)
 	clusterRole.AppendRefBy(clusterRoleBindingId)
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	err := nrt.Transform(m)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
@@ -1049,7 +1049,7 @@ func TestNameReferenceCandidateSelection(t *testing.T) {
 		ReplaceResource(deploymentMap("", "p1-deploy1", "p1-cm1-hash", "p1-secret1-hash")).
 		ResMap()
 
-	nrt := NewNameReferenceTransformer(defaultTransformerConfig.NameReference)
+	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
 	err := nrt.Transform(m)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)

api/internal/accumulator/refvartransformer.go

@@ -1,41 +1,31 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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
+package accumulator
 
 import (
 	"fmt"
-	"sigs.k8s.io/kustomize/v3/pkg/expansion"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
+
+	expansion2 "sigs.k8s.io/kustomize/api/internal/accumulator/expansion"
+
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/transform"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
-type RefVarTransformer struct {
+type refVarTransformer struct {
 	varMap            map[string]interface{}
 	replacementCounts map[string]int
-	fieldSpecs        []config.FieldSpec
+	fieldSpecs        []types.FieldSpec
 	mappingFunc       func(string) interface{}
 }
 
-// NewRefVarTransformer returns a new RefVarTransformer
+// newRefVarTransformer returns a new refVarTransformer
 // that replaces $(VAR) style variables with values.
 // The fieldSpecs are the places to look for occurrences of $(VAR).
-func NewRefVarTransformer(
-	varMap map[string]interface{}, fs []config.FieldSpec) *RefVarTransformer {
-	return &RefVarTransformer{
+func newRefVarTransformer(
+	varMap map[string]interface{}, fs []types.FieldSpec) *refVarTransformer {
+	return &refVarTransformer{
 		varMap:     varMap,
 		fieldSpecs: fs,
 	}
@@ -45,12 +35,12 @@ func NewRefVarTransformer(
 // embedded instances of $VAR style variables, e.g. a container command string.
 // The function returns the string with the variables expanded to their final
 // values.
-func (rv *RefVarTransformer) replaceVars(in interface{}) (interface{}, error) {
+func (rv *refVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 	switch vt := in.(type) {
 	case []interface{}:
 		var xs []interface{}
 		for _, a := range in.([]interface{}) {
-			xs = append(xs, expansion.Expand(a.(string), rv.mappingFunc))
+			xs = append(xs, expansion2.Expand(a.(string), rv.mappingFunc))
 		}
 		return xs, nil
 	case map[string]interface{}:
@@ -67,7 +57,7 @@ func (rv *RefVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 				// This field can potentially contains a $(VAR) since it is
 				// of string type. For instance .spec.replicas: $(REPLICAS)
 				// in a Deployment object
-				xs[k] = expansion.Expand(s, rv.mappingFunc)
+				xs[k] = expansion2.Expand(s, rv.mappingFunc)
 			}
 		}
 		return xs, nil
@@ -79,7 +69,7 @@ func (rv *RefVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 		}
 		// This field can potentially contain a $(VAR) since it is
 		// of string type.
-		return expansion.Expand(s, rv.mappingFunc), nil
+		return expansion2.Expand(s, rv.mappingFunc), nil
 	case nil:
 		return nil, nil
 	default:
@@ -89,7 +79,7 @@ func (rv *RefVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 
 // UnusedVars returns slice of Var names that were unused
 // after a Transform run.
-func (rv *RefVarTransformer) UnusedVars() []string {
+func (rv *refVarTransformer) UnusedVars() []string {
 	var unused []string
 	for k := range rv.varMap {
 		_, ok := rv.replacementCounts[k]
@@ -101,14 +91,14 @@ func (rv *RefVarTransformer) UnusedVars() []string {
 }
 
 // Transform replaces $(VAR) style variables with values.
-func (rv *RefVarTransformer) Transform(m resmap.ResMap) error {
+func (rv *refVarTransformer) Transform(m resmap.ResMap) error {
 	rv.replacementCounts = make(map[string]int)
-	rv.mappingFunc = expansion.MappingFuncFor(
+	rv.mappingFunc = expansion2.MappingFuncFor(
 		rv.replacementCounts, rv.varMap)
 	for _, res := range m.Resources() {
 		for _, fieldSpec := range rv.fieldSpecs {
 			if res.OrgId().IsSelected(&fieldSpec.Gvk) {
-				if err := MutateField(
+				if err := transform.MutateField(
 					res.Map(), fieldSpec.PathSlice(),
 					false, rv.replaceVars); err != nil {
 					return err

api/internal/accumulator/refvartransformer_test.go

@@ -0,0 +1,137 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package accumulator
+
+import (
+	"reflect"
+	"testing"
+
+	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/testutils/resmaptest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+func TestRefVarTransformer(t *testing.T) {
+	type given struct {
+		varMap map[string]interface{}
+		fs     []types.FieldSpec
+		res    resmap.ResMap
+	}
+	type expected struct {
+		res    resmap.ResMap
+		unused []string
+	}
+	testCases := []struct {
+		description string
+		given       given
+		expected    expected
+	}{
+		{
+			description: "var replacement in map[string]",
+			given: given{
+				varMap: map[string]interface{}{
+					"FOO": "replacementForFoo",
+					"BAR": "replacementForBar",
+					"BAZ": int64(5),
+					"BOO": true,
+				},
+				fs: []types.FieldSpec{
+					{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/map"},
+					{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/slice"},
+					{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/interface"},
+					{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/nil"},
+					{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/num"},
+				},
+				res: resmaptest_test.NewRmBuilder(
+					t, resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())).
+					Add(map[string]interface{}{
+						"apiVersion": "v1",
+						"kind":       "ConfigMap",
+						"metadata": map[string]interface{}{
+							"name": "cm1",
+						},
+						"data": map[string]interface{}{
+							"map": map[string]interface{}{
+								"item1": "$(FOO)",
+								"item2": "bla",
+								"item3": "$(BAZ)",
+								"item4": "$(BAZ)+$(BAZ)",
+								"item5": "$(BOO)",
+								"item6": "if $(BOO)",
+								"item7": 2019,
+							},
+							"slice": []interface{}{
+								"$(FOO)",
+								"bla",
+								"$(BAZ)",
+								"$(BAZ)+$(BAZ)",
+								"$(BOO)",
+								"if $(BOO)",
+							},
+							"interface": "$(FOO)",
+							"nil":       nil,
+							"num":       2019,
+						}}).ResMap(),
+			},
+			expected: expected{
+				res: resmaptest_test.NewRmBuilder(
+					t, resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())).
+					Add(map[string]interface{}{
+						"apiVersion": "v1",
+						"kind":       "ConfigMap",
+						"metadata": map[string]interface{}{
+							"name": "cm1",
+						},
+						"data": map[string]interface{}{
+							"map": map[string]interface{}{
+								"item1": "replacementForFoo",
+								"item2": "bla",
+								"item3": int64(5),
+								"item4": "5+5",
+								"item5": true,
+								"item6": "if true",
+								"item7": 2019,
+							},
+							"slice": []interface{}{
+								"replacementForFoo",
+								"bla",
+								int64(5),
+								"5+5",
+								true,
+								"if true",
+							},
+							"interface": "replacementForFoo",
+							"nil":       nil,
+							"num":       2019,
+						}}).ResMap(),
+				unused: []string{"BAR"},
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			// arrange
+			tr := newRefVarTransformer(tc.given.varMap, tc.given.fs)
+
+			// act
+			err := tr.Transform(tc.given.res)
+
+			// assert
+			if err != nil {
+				t.Errorf("unexpected error: %v", err)
+			}
+
+			a, e := tc.given.res, tc.expected.res
+			if !reflect.DeepEqual(a, e) {
+				err = e.ErrorIfNotEqualLists(a)
+				t.Fatalf("actual doesn't match expected: \nACTUAL:\n%v\nEXPECTED:\n%v\nERR: %v", a, e, err)
+			}
+
+		})
+	}
+}

api/internal/accumulator/resaccumulator.go

@@ -8,11 +8,10 @@ import (
 	"log"
 	"strings"
 
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 // ResAccumulator accumulates resources and the rules
@@ -20,14 +19,14 @@ import (
 // plus stuff needed to modify the ResMap.
 type ResAccumulator struct {
 	resMap  resmap.ResMap
-	tConfig *config.TransformerConfig
+	tConfig *builtinconfig.TransformerConfig
 	varSet  types.VarSet
 }
 
 func MakeEmptyAccumulator() *ResAccumulator {
 	ra := &ResAccumulator{}
 	ra.resMap = resmap.New()
-	ra.tConfig = &config.TransformerConfig{}
+	ra.tConfig = &builtinconfig.TransformerConfig{}
 	ra.varSet = types.NewVarSet()
 	return ra
 }
@@ -53,12 +52,12 @@ func (ra *ResAccumulator) AbsorbAll(
 }
 
 func (ra *ResAccumulator) MergeConfig(
-	tConfig *config.TransformerConfig) (err error) {
+	tConfig *builtinconfig.TransformerConfig) (err error) {
 	ra.tConfig, err = ra.tConfig.Merge(tConfig)
 	return err
 }
 
-func (ra *ResAccumulator) GetTransformerConfig() *config.TransformerConfig {
+func (ra *ResAccumulator) GetTransformerConfig() *builtinconfig.TransformerConfig {
 	return ra.tConfig
 }
 
@@ -135,7 +134,7 @@ func (ra *ResAccumulator) makeVarReplacementMap() (map[string]interface{}, error
 	return result, nil
 }
 
-func (ra *ResAccumulator) Transform(t transformers.Transformer) error {
+func (ra *ResAccumulator) Transform(t resmap.Transformer) error {
 	return t.Transform(ra.resMap)
 }
 
@@ -147,7 +146,7 @@ func (ra *ResAccumulator) ResolveVars() error {
 	if len(replacementMap) == 0 {
 		return nil
 	}
-	t := transformers.NewRefVarTransformer(
+	t := newRefVarTransformer(
 		replacementMap, ra.tConfig.VarReference)
 	err = ra.Transform(t)
 	if len(t.UnusedVars()) > 0 {
@@ -162,6 +161,6 @@ func (ra *ResAccumulator) FixBackReferences() (err error) {
 	if ra.tConfig.NameReference == nil {
 		return nil
 	}
-	return ra.Transform(transformers.NewNameReferenceTransformer(
+	return ra.Transform(newNameReferenceTransformer(
 		ra.tConfig.NameReference))
 }

api/internal/accumulator/resaccumulator_test.go

@@ -10,19 +10,19 @@ import (
 	"strings"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/k8sdeps/kunstruct"
-	. "sigs.k8s.io/kustomize/v3/pkg/accumulator"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resmaptest"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	. "sigs.k8s.io/kustomize/api/internal/accumulator"
+	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/testutils/resmaptest"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func makeResAccumulator(t *testing.T) (*ResAccumulator, *resource.Factory) {
 	ra := MakeEmptyAccumulator()
-	err := ra.MergeConfig(config.MakeDefaultConfig())
+	err := ra.MergeConfig(builtinconfig.MakeDefaultConfig())
 	if err != nil {
 		t.Fatalf("unexpected err: %v", err)
 	}
@@ -75,13 +75,13 @@ func TestResolveVarsHappy(t *testing.T) {
 		{
 			Name: "SERVICE_ONE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendOne"},
 		},
 		{
 			Name: "SERVICE_TWO",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendTwo"},
 		},
 	})
@@ -104,13 +104,13 @@ func TestResolveVarsOneUnused(t *testing.T) {
 		{
 			Name: "SERVICE_ONE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendOne"},
 		},
 		{
 			Name: "SERVICE_UNUSED",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendTwo"},
 		},
 	})
@@ -165,7 +165,7 @@ func TestResolveVarsVarNeedsDisambiguation(t *testing.T) {
 		{
 			Name: "SERVICE_ONE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendOne",
 			},
 		},
@@ -179,13 +179,94 @@ func TestResolveVarsVarNeedsDisambiguation(t *testing.T) {
 	}
 }
 
+func makeNamespacedConfigMapWithDataProviderValue(
+	namespace string,
+	value string,
+) map[string]interface{} {
+	return map[string]interface{}{
+		"apiVersion": "v1",
+		"kind":       "ConfigMap",
+		"metadata": map[string]interface{}{
+			"name":      "environment",
+			"namespace": namespace,
+		},
+		"data": map[string]interface{}{
+			"provider": value,
+		},
+	}
+}
+
+func makeVarToNamepaceAndPath(
+	name string,
+	namespace string,
+	path string,
+) types.Var {
+	return types.Var{
+		Name: name,
+		ObjRef: types.Target{
+			Gvk:       resid.Gvk{Version: "v1", Kind: "ConfigMap"},
+			Name:      "environment",
+			Namespace: namespace,
+		},
+		FieldRef: types.FieldSelector{FieldPath: path},
+	}
+}
+
+func TestResolveVarConflicts(t *testing.T) {
+	rf := resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())
+
+	// create configmaps in foo and bar namespaces with `data.provider` values.
+	fooAws := makeNamespacedConfigMapWithDataProviderValue("foo", "aws")
+	barAws := makeNamespacedConfigMapWithDataProviderValue("bar", "aws")
+	barGcp := makeNamespacedConfigMapWithDataProviderValue("bar", "gcp")
+
+	// create two variables with (apparently) conflicting names that point to
+	// fieldpaths that could be generalized.
+	varFoo := makeVarToNamepaceAndPath("PROVIDER", "foo", "data.provider")
+	varBar := makeVarToNamepaceAndPath("PROVIDER", "bar", "data.provider")
+
+	// create accumulators holding apparently conflicting vars that are not
+	// actually in conflict because they point to the same concrete value.
+	rm0 := resmap.New()
+	rm0.Append(rf.FromMap(fooAws))
+	ac0 := MakeEmptyAccumulator()
+	ac0.AppendAll(rm0)
+	ac0.MergeVars([]types.Var{varFoo})
+
+	rm1 := resmap.New()
+	rm1.Append(rf.FromMap(barAws))
+	ac1 := MakeEmptyAccumulator()
+	ac1.AppendAll(rm1)
+	ac1.MergeVars([]types.Var{varBar})
+
+	// validate that two vars of the same name which reference the same concrete
+	// value do not produce a conflict.
+	err := ac0.MergeAccumulator(ac1)
+	if err == nil {
+		t.Fatalf("see bug gh-1600")
+	}
+
+	// create an accumulator will have an actually conflicting value with the
+	// two above (because it contains a variable whose name is used in the other
+	// accumulators AND whose concrete values are different).
+	rm2 := resmap.New()
+	rm2.Append(rf.FromMap(barGcp))
+	ac2 := MakeEmptyAccumulator()
+	ac2.AppendAll(rm2)
+	ac2.MergeVars([]types.Var{varBar})
+	err = ac1.MergeAccumulator(ac2)
+	if err == nil {
+		t.Fatalf("dupe vars w/ different concrete values should conflict")
+	}
+}
+
 func TestResolveVarsGoodResIdBadField(t *testing.T) {
 	ra, _ := makeResAccumulator(t)
 	err := ra.MergeVars([]types.Var{
 		{
 			Name: "SERVICE_ONE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendOne"},
 			FieldRef: types.FieldSelector{FieldPath: "nope_nope_nope"},
 		},
@@ -210,7 +291,7 @@ func TestResolveVarsUnmappableVar(t *testing.T) {
 		{
 			Name: "SERVICE_THREE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "doesNotExist"},
 		},
 	})
@@ -234,7 +315,7 @@ func TestResolveVarsWithNoambiguation(t *testing.T) {
 		{
 			Name: "SERVICE_ONE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendOne",
 			},
 		},
@@ -289,7 +370,7 @@ func TestResolveVarsWithNoambiguation(t *testing.T) {
 		{
 			Name: "SUB_SERVICE_ONE",
 			ObjRef: types.Target{
-				Gvk:  gvk.Gvk{Version: "v1", Kind: "Service"},
+				Gvk:  resid.Gvk{Version: "v1", Kind: "Service"},
 				Name: "backendOne",
 			},
 		},

api/internal/kusterr/yamlformaterror.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 // Package error has contextual error types.
 package kusterr

api/internal/kusterr/yamlformaterror_test.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package kusterr
 

api/internal/loadertest/fakeloader.go

@@ -6,16 +6,15 @@ package loadertest
 
 import (
 	"log"
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/loader"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
-	"sigs.k8s.io/kustomize/v3/pkg/validators"
+
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/loader"
 )
 
 // FakeLoader encapsulates the delegate Loader and the fake file system.
 type FakeLoader struct {
-	fs       fs.FileSystem
+	fs       filesys.FileSystem
 	delegate ifc.Loader
 }
 
@@ -33,10 +32,9 @@ func NewFakeLoader(initialDir string) FakeLoader {
 func NewFakeLoaderWithRestrictor(
 	lr loader.LoadRestrictorFunc, initialDir string) FakeLoader {
 	// Create fake filesystem and inject it into initial Loader.
-	fSys := fs.MakeFakeFS()
+	fSys := filesys.MakeFsInMemory()
 	fSys.Mkdir(initialDir)
-	ldr, err := loader.NewLoader(
-		lr, validators.MakeFakeValidator(), initialDir, fSys)
+	ldr, err := loader.NewLoader(lr, initialDir, fSys)
 	if err != nil {
 		log.Fatalf("Unable to make loader: %v", err)
 	}
@@ -76,13 +74,3 @@ func (f FakeLoader) Load(location string) ([]byte, error) {
 func (f FakeLoader) Cleanup() error {
 	return f.delegate.Cleanup()
 }
-
-// Validator delegates.
-func (f FakeLoader) Validator() ifc.Validator {
-	return f.delegate.Validator()
-}
-
-// LoadKvPairs delegates.
-func (f FakeLoader) LoadKvPairs(args types.GeneratorArgs) ([]types.Pair, error) {
-	return f.delegate.LoadKvPairs(args)
-}

api/inventory/inventory.go

@@ -6,7 +6,7 @@ package inventory
 import (
 	"encoding/json"
 
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
+	"sigs.k8s.io/kustomize/api/resid"
 )
 
 //Refs is a reference map.  Each key is the id

api/inventory/inventory_test.go

@@ -1,25 +1,13 @@
-/*
-Copyright 2019 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 inventory
+package inventory_test
 
 import (
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
+	. "sigs.k8s.io/kustomize/api/inventory"
+	"sigs.k8s.io/kustomize/api/resid"
 )
 
 func makeRefs() (Refs, Refs) {

api/k8sdeps/configmapandsecret/configmapfactory.go

@@ -8,8 +8,9 @@ import (
 	"fmt"
 	"unicode/utf8"
 
+	"github.com/pkg/errors"
 	"k8s.io/api/core/v1"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func makeFreshConfigMap(
@@ -26,15 +27,15 @@ func makeFreshConfigMap(
 // MakeConfigMap returns a new ConfigMap, or nil and an error.
 func (f *Factory) MakeConfigMap(
 	args *types.ConfigMapArgs) (*v1.ConfigMap, error) {
-	all, err := f.ldr.LoadKvPairs(args.GeneratorArgs)
+	all, err := f.kvLdr.Load(args.KvPairSources)
 	if err != nil {
-		return nil, err
+		return nil, errors.Wrap(err, "loading KV pairs")
 	}
 	cm := makeFreshConfigMap(args)
 	for _, p := range all {
 		err = f.addKvToConfigMap(cm, p)
 		if err != nil {
-			return nil, err
+			return nil, errors.Wrap(err, "trouble mapping")
 		}
 	}
 	if f.options != nil {
@@ -47,7 +48,7 @@ func (f *Factory) MakeConfigMap(
 // addKvToConfigMap adds the given key and data to the given config map.
 // Error if key invalid, or already exists.
 func (f *Factory) addKvToConfigMap(configMap *v1.ConfigMap, p types.Pair) error {
-	if err := f.ldr.Validator().ErrIfInvalidKey(p.Key); err != nil {
+	if err := f.kvLdr.Validator().ErrIfInvalidKey(p.Key); err != nil {
 		return err
 	}
 	// If the configmap data contains byte sequences that are all in the UTF-8

api/k8sdeps/configmapandsecret/configmapfactory_test.go

@@ -4,15 +4,17 @@
 package configmapandsecret
 
 import (
+	"path/filepath"
 	"reflect"
 	"testing"
 
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
-	"sigs.k8s.io/kustomize/v3/pkg/loader"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
-	"sigs.k8s.io/kustomize/v3/pkg/validators"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/kv"
+	"sigs.k8s.io/kustomize/api/loader"
+	"sigs.k8s.io/kustomize/api/testutils/valtest"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func makeEnvConfigMap(name string) *corev1.ConfigMap {
@@ -85,8 +87,10 @@ func TestConstructConfigMap(t *testing.T) {
 			input: types.ConfigMapArgs{
 				GeneratorArgs: types.GeneratorArgs{
 					Name: "envConfigMap",
-					DataSources: types.DataSources{
-						EnvSources: []string{"configmap/app.env"},
+					KvPairSources: types.KvPairSources{
+						EnvSources: []string{
+							filepath.Join("configmap", "app.env"),
+						},
 					},
 				},
 			},
@@ -98,8 +102,11 @@ func TestConstructConfigMap(t *testing.T) {
 			input: types.ConfigMapArgs{
 				GeneratorArgs: types.GeneratorArgs{
 					Name: "fileConfigMap",
-					DataSources: types.DataSources{
-						FileSources: []string{"configmap/app-init.ini", "configmap/app.bin"},
+					KvPairSources: types.KvPairSources{
+						FileSources: []string{
+							filepath.Join("configmap", "app-init.ini"),
+							filepath.Join("configmap", "app.bin"),
+						},
 					},
 				},
 			},
@@ -111,7 +118,7 @@ func TestConstructConfigMap(t *testing.T) {
 			input: types.ConfigMapArgs{
 				GeneratorArgs: types.GeneratorArgs{
 					Name: "literalConfigMap",
-					DataSources: types.DataSources{
+					KvPairSources: types.KvPairSources{
 						LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
 					},
 				},
@@ -125,13 +132,21 @@ func TestConstructConfigMap(t *testing.T) {
 		},
 	}
 
-	fSys := fs.MakeFakeFS()
-	fSys.WriteFile("/configmap/app.env", []byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
-	fSys.WriteFile("/configmap/app-init.ini", []byte("FOO=bar\nBAR=baz\n"))
-	fSys.WriteFile("/configmap/app.bin", []byte{0xff, 0xfd})
-	ldr := loader.NewFileLoaderAtRoot(validators.MakeFakeValidator(), fSys)
+	fSys := filesys.MakeFsInMemory()
+	fSys.WriteFile(
+		filesys.RootedPath("configmap", "app.env"),
+		[]byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
+	fSys.WriteFile(
+		filesys.RootedPath("configmap", "app-init.ini"),
+		[]byte("FOO=bar\nBAR=baz\n"))
+	fSys.WriteFile(
+		filesys.RootedPath("configmap", "app.bin"),
+		[]byte{0xff, 0xfd})
+	kvLdr := kv.NewLoader(
+		loader.NewFileLoaderAtRoot(fSys),
+		valtest_test.MakeFakeValidator())
 	for _, tc := range testCases {
-		f := NewFactory(ldr, tc.options)
+		f := NewFactory(kvLdr, tc.options)
 		cm, err := f.MakeConfigMap(&tc.input)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)

api/k8sdeps/configmapandsecret/factory.go

@@ -4,20 +4,20 @@
 package configmapandsecret
 
 import (
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 // Factory makes ConfigMaps and Secrets.
 type Factory struct {
-	ldr     ifc.Loader
+	kvLdr   ifc.KvLoader
 	options *types.GeneratorOptions
 }
 
 // NewFactory returns a new factory that makes ConfigMaps and Secrets.
 func NewFactory(
-	ldr ifc.Loader, o *types.GeneratorOptions) *Factory {
-	return &Factory{ldr: ldr, options: o}
+	kvLdr ifc.KvLoader, o *types.GeneratorOptions) *Factory {
+	return &Factory{kvLdr: kvLdr, options: o}
 }
 
 const keyExistsErrorMsg = "cannot add key %s, another key by that name already exists: %v"

api/k8sdeps/configmapandsecret/secretfactory.go

@@ -7,7 +7,7 @@ import (
 	"fmt"
 
 	corev1 "k8s.io/api/core/v1"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func makeFreshSecret(
@@ -28,7 +28,7 @@ func makeFreshSecret(
 // MakeSecret returns a new secret.
 func (f *Factory) MakeSecret(
 	args *types.SecretArgs) (*corev1.Secret, error) {
-	all, err := f.ldr.LoadKvPairs(args.GeneratorArgs)
+	all, err := f.kvLdr.Load(args.KvPairSources)
 	if err != nil {
 		return nil, err
 	}
@@ -47,7 +47,7 @@ func (f *Factory) MakeSecret(
 }
 
 func (f *Factory) addKvToSecret(secret *corev1.Secret, keyName, data string) error {
-	if err := f.ldr.Validator().ErrIfInvalidKey(keyName); err != nil {
+	if err := f.kvLdr.Validator().ErrIfInvalidKey(keyName); err != nil {
 		return err
 	}
 	if _, entryExists := secret.Data[keyName]; entryExists {

api/k8sdeps/configmapandsecret/secretfactory_test.go

@@ -9,10 +9,11 @@ import (
 
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
-	"sigs.k8s.io/kustomize/v3/pkg/loader"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
-	"sigs.k8s.io/kustomize/v3/pkg/validators"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/kv"
+	"sigs.k8s.io/kustomize/api/loader"
+	"sigs.k8s.io/kustomize/api/testutils/valtest"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func makeEnvSecret(name string) *corev1.Secret {
@@ -83,7 +84,7 @@ func TestConstructSecret(t *testing.T) {
 			input: types.SecretArgs{
 				GeneratorArgs: types.GeneratorArgs{
 					Name: "envSecret",
-					DataSources: types.DataSources{
+					KvPairSources: types.KvPairSources{
 						EnvSources: []string{"secret/app.env"},
 					},
 				},
@@ -96,7 +97,7 @@ func TestConstructSecret(t *testing.T) {
 			input: types.SecretArgs{
 				GeneratorArgs: types.GeneratorArgs{
 					Name: "fileSecret",
-					DataSources: types.DataSources{
+					KvPairSources: types.KvPairSources{
 						FileSources: []string{"secret/app-init.ini"},
 					},
 				},
@@ -109,7 +110,7 @@ func TestConstructSecret(t *testing.T) {
 			input: types.SecretArgs{
 				GeneratorArgs: types.GeneratorArgs{
 					Name: "literalSecret",
-					DataSources: types.DataSources{
+					KvPairSources: types.KvPairSources{
 						LiteralSources: []string{"a=x", "b=y"},
 					},
 				},
@@ -123,12 +124,14 @@ func TestConstructSecret(t *testing.T) {
 		},
 	}
 
-	fSys := fs.MakeFakeFS()
+	fSys := filesys.MakeFsInMemory()
 	fSys.WriteFile("/secret/app.env", []byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
 	fSys.WriteFile("/secret/app-init.ini", []byte("FOO=bar\nBAR=baz\n"))
-	ldr := loader.NewFileLoaderAtRoot(validators.MakeFakeValidator(), fSys)
+	kvLdr := kv.NewLoader(
+		loader.NewFileLoaderAtRoot(fSys),
+		valtest_test.MakeFakeValidator())
 	for _, tc := range testCases {
-		f := NewFactory(ldr, tc.options)
+		f := NewFactory(kvLdr, tc.options)
 		cm, err := f.MakeSecret(&tc.input)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)

api/k8sdeps/kunstruct/factory.go

@@ -7,13 +7,14 @@ import (
 	"bytes"
 	"fmt"
 	"io"
+	"strconv"
 	"strings"
 
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/util/yaml"
-	"sigs.k8s.io/kustomize/v3/k8sdeps/configmapandsecret"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/k8sdeps/configmapandsecret"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 // KunstructuredFactoryImpl hides construction using apimachinery types.
@@ -72,11 +73,11 @@ func (kf *KunstructuredFactoryImpl) FromMap(
 
 // MakeConfigMap returns an instance of Kunstructured for ConfigMap
 func (kf *KunstructuredFactoryImpl) MakeConfigMap(
-	ldr ifc.Loader,
+	kvLdr ifc.KvLoader,
 	options *types.GeneratorOptions,
 	args *types.ConfigMapArgs) (ifc.Kunstructured, error) {
 	o, err := configmapandsecret.NewFactory(
-		ldr, options).MakeConfigMap(args)
+		kvLdr, options).MakeConfigMap(args)
 	if err != nil {
 		return nil, err
 	}
@@ -85,11 +86,11 @@ func (kf *KunstructuredFactoryImpl) MakeConfigMap(
 
 // MakeSecret returns an instance of Kunstructured for Secret
 func (kf *KunstructuredFactoryImpl) MakeSecret(
-	ldr ifc.Loader,
+	kvLdr ifc.KvLoader,
 	options *types.GeneratorOptions,
 	args *types.SecretArgs) (ifc.Kunstructured, error) {
 	o, err := configmapandsecret.NewFactory(
-		ldr, options).MakeSecret(args)
+		kvLdr, options).MakeSecret(args)
 	if err != nil {
 		return nil, err
 	}
@@ -108,5 +109,30 @@ func (kf *KunstructuredFactoryImpl) validate(u unstructured.Unstructured) error
 	if u.GetName() == "" {
 		return fmt.Errorf("missing metadata.name in object %v", u)
 	}
+
+	if result, path := checkListItemNil(u.Object); result {
+		return fmt.Errorf("empty item at %v in object %v", path, u)
+	}
 	return nil
 }
+
+func checkListItemNil(in interface{}) (bool, string) {
+	switch v := in.(type) {
+	case map[string]interface{}:
+		for key, s := range v {
+			if result, path := checkListItemNil(s); result {
+				return result, key + "/" + path
+			}
+		}
+	case []interface{}:
+		for index, s := range v {
+			if s == nil {
+				return true, ""
+			}
+			if result, path := checkListItemNil(s); result {
+				return result, "[" + strconv.Itoa(index) + "]/" + path
+			}
+		}
+	}
+	return false, ""
+}

api/k8sdeps/kunstruct/factory_test.go

@@ -20,7 +20,7 @@ import (
 	"reflect"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
+	"sigs.k8s.io/kustomize/api/ifc"
 )
 
 func TestSliceFromBytes(t *testing.T) {
@@ -138,6 +138,22 @@ kind: Namespace
 metadata:
   annotations:
     foo: bar
+`),
+			expectedOut: nil,
+			expectedErr: true,
+		},
+		{
+			name: "nil value in list",
+			input: []byte(`
+apiVersion: builtin
+kind: ConfigMapGenerator
+metadata:
+  name: kube100-site
+  labels:
+    app: web
+    testList:
+      - testA
+      - 
 `),
 			expectedOut: nil,
 			expectedErr: true,

api/k8sdeps/kunstruct/hasher.go

@@ -9,8 +9,8 @@ import (
 
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
-	"sigs.k8s.io/kustomize/v3/pkg/hasher"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
+	"sigs.k8s.io/kustomize/api/hasher"
+	"sigs.k8s.io/kustomize/api/ifc"
 )
 
 // kustHash computes a hash of an unstructured object.

api/k8sdeps/kunstruct/unstructadapter.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 // Package kunstruct provides unstructured from api machinery and factory for creating unstructured
 package kunstruct
@@ -20,19 +7,17 @@ package kunstruct
 import (
 	"encoding/json"
 	"fmt"
+
 	jsonpatch "github.com/evanphx/json-patch"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/strategicpatch"
 	"k8s.io/client-go/kubernetes/scheme"
-
-	"k8s.io/apimachinery/pkg/labels"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
-
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
-	"k8s.io/apimachinery/pkg/runtime"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/resid"
 )
 
 var _ ifc.Kunstructured = &UnstructAdapter{}
@@ -60,9 +45,9 @@ func NewKunstructuredFromObject(obj runtime.Object) (ifc.Kunstructured, error) {
 }
 
 // GetGvk returns the Gvk name of the object.
-func (fs *UnstructAdapter) GetGvk() gvk.Gvk {
+func (fs *UnstructAdapter) GetGvk() resid.Gvk {
 	x := fs.GroupVersionKind()
-	return gvk.Gvk{
+	return resid.Gvk{
 		Group:   x.Group,
 		Version: x.Version,
 		Kind:    x.Kind,
@@ -70,7 +55,7 @@ func (fs *UnstructAdapter) GetGvk() gvk.Gvk {
 }
 
 // SetGvk set the Gvk of the object to the input Gvk
-func (fs *UnstructAdapter) SetGvk(g gvk.Gvk) {
+func (fs *UnstructAdapter) SetGvk(g resid.Gvk) {
 	fs.SetGroupVersionKind(toSchemaGvk(g))
 }
 
@@ -148,7 +133,7 @@ func (fs *UnstructAdapter) selectSubtree(path string) (map[string]interface{}, [
 func (fs *UnstructAdapter) GetFieldValue(path string) (interface{}, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return nil, types.NoFieldError{Field: path}
+		return nil, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedFieldNoCopy(
@@ -156,14 +141,14 @@ func (fs *UnstructAdapter) GetFieldValue(path string) (interface{}, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return nil, types.NoFieldError{Field: path}
+	return nil, noFieldError{Field: path}
 }
 
 // GetString returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetString(path string) (string, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return "", types.NoFieldError{Field: path}
+		return "", noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedString(
@@ -171,14 +156,14 @@ func (fs *UnstructAdapter) GetString(path string) (string, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return "", types.NoFieldError{Field: path}
+	return "", noFieldError{Field: path}
 }
 
 // GetStringSlice returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetStringSlice(path string) ([]string, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return []string{}, types.NoFieldError{Field: path}
+		return []string{}, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedStringSlice(
@@ -186,14 +171,14 @@ func (fs *UnstructAdapter) GetStringSlice(path string) ([]string, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return []string{}, types.NoFieldError{Field: path}
+	return []string{}, noFieldError{Field: path}
 }
 
 // GetBool returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetBool(path string) (bool, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return false, types.NoFieldError{Field: path}
+		return false, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedBool(
@@ -201,7 +186,7 @@ func (fs *UnstructAdapter) GetBool(path string) (bool, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return false, types.NoFieldError{Field: path}
+	return false, noFieldError{Field: path}
 }
 
 // GetFloat64 returns value at the given fieldpath.
@@ -216,14 +201,14 @@ func (fs *UnstructAdapter) GetFloat64(path string) (float64, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return 0, types.NoFieldError{Field: path}
+	return 0, noFieldError{Field: path}
 }
 
 // GetInt64 returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetInt64(path string) (int64, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return 0, types.NoFieldError{Field: path}
+		return 0, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedInt64(
@@ -231,14 +216,14 @@ func (fs *UnstructAdapter) GetInt64(path string) (int64, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return 0, types.NoFieldError{Field: path}
+	return 0, noFieldError{Field: path}
 }
 
 // GetSlice returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetSlice(path string) ([]interface{}, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return nil, types.NoFieldError{Field: path}
+		return nil, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedSlice(
@@ -246,14 +231,14 @@ func (fs *UnstructAdapter) GetSlice(path string) ([]interface{}, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return nil, types.NoFieldError{Field: path}
+	return nil, noFieldError{Field: path}
 }
 
 // GetStringMap returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetStringMap(path string) (map[string]string, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return nil, types.NoFieldError{Field: path}
+		return nil, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedStringMap(
@@ -261,14 +246,14 @@ func (fs *UnstructAdapter) GetStringMap(path string) (map[string]string, error)
 	if found || err != nil {
 		return s, err
 	}
-	return nil, types.NoFieldError{Field: path}
+	return nil, noFieldError{Field: path}
 }
 
 // GetMap returns value at the given fieldpath.
 func (fs *UnstructAdapter) GetMap(path string) (map[string]interface{}, error) {
 	content, fields, found, err := fs.selectSubtree(path)
 	if !found || err != nil {
-		return nil, types.NoFieldError{Field: path}
+		return nil, noFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedMap(
@@ -276,7 +261,7 @@ func (fs *UnstructAdapter) GetMap(path string) (map[string]interface{}, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return nil, types.NoFieldError{Field: path}
+	return nil, noFieldError{Field: path}
 }
 
 func (fs *UnstructAdapter) MatchesLabelSelector(selector string) (bool, error) {
@@ -347,10 +332,19 @@ func (fs *UnstructAdapter) Patch(patch ifc.Kunstructured) error {
 }
 
 // toSchemaGvk converts to a schema.GroupVersionKind.
-func toSchemaGvk(x gvk.Gvk) schema.GroupVersionKind {
+func toSchemaGvk(x resid.Gvk) schema.GroupVersionKind {
 	return schema.GroupVersionKind{
 		Group:   x.Group,
 		Version: x.Version,
 		Kind:    x.Kind,
 	}
 }
+
+// noFieldError is returned when a field is expected, but missing.
+type noFieldError struct {
+	Field string
+}
+
+func (e noFieldError) Error() string {
+	return fmt.Sprintf("no field named '%s'", e.Field)
+}

api/k8sdeps/kunstruct/unstructadapter_test.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package kunstruct
 

api/k8sdeps/transformer/factory.go

@@ -5,9 +5,9 @@
 package transformer
 
 import (
-	"sigs.k8s.io/kustomize/v3/k8sdeps/transformer/patch"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
+	"sigs.k8s.io/kustomize/api/k8sdeps/transformer/patch"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
 )
 
 // FactoryImpl makes patch transformer and name hash transformer

api/k8sdeps/transformer/patch/conflictdetector.go

@@ -6,16 +6,16 @@ package patch
 import (
 	"encoding/json"
 	"fmt"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/client-go/kubernetes/scheme"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
 
-	"github.com/evanphx/json-patch"
+	jsonpatch "github.com/evanphx/json-patch"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/mergepatch"
 	"k8s.io/apimachinery/pkg/util/strategicpatch"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
+	"k8s.io/client-go/kubernetes/scheme"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
 )
 
 type conflictDetector interface {
@@ -123,12 +123,18 @@ func (smp *strategicMergePatch) findConflict(
 }
 
 func (smp *strategicMergePatch) mergePatches(patch1, patch2 *resource.Resource) (*resource.Resource, error) {
+	if hasDeleteDirectiveMarker(patch2.Map()) {
+		if hasDeleteDirectiveMarker(patch1.Map()) {
+			return nil, fmt.Errorf("cannot merge patches both containing '$patch: delete' directives")
+		}
+		patch1, patch2 = patch2, patch1
+	}
 	mergeJSONMap, err := strategicpatch.MergeStrategicMergeMapPatchUsingLookupPatchMeta(
 		smp.lookupPatchMeta, patch1.Map(), patch2.Map())
 	return smp.rf.FromMap(mergeJSONMap), err
 }
 
-// mergePatches merge and index patches by OrgId.
+// MergePatches merge and index patches by OrgId.
 // It errors out if there is conflict between patches.
 func MergePatches(patches []*resource.Resource,
 	rf *resource.Factory) (resmap.ResMap, error) {
@@ -181,10 +187,35 @@ func MergePatches(patches []*resource.Resource,
 }
 
 // toSchemaGvk converts to a schema.GroupVersionKind.
-func toSchemaGvk(x gvk.Gvk) schema.GroupVersionKind {
+func toSchemaGvk(x resid.Gvk) schema.GroupVersionKind {
 	return schema.GroupVersionKind{
 		Group:   x.Group,
 		Version: x.Version,
 		Kind:    x.Kind,
 	}
 }
+
+func hasDeleteDirectiveMarker(patch map[string]interface{}) bool {
+	if v, ok := patch["$patch"]; ok && v == "delete" {
+		return true
+	}
+	for _, v := range patch {
+		switch typedV := v.(type) {
+		case map[string]interface{}:
+			if hasDeleteDirectiveMarker(typedV) {
+				return true
+			}
+		case []interface{}:
+			for _, sv := range typedV {
+				typedE, ok := sv.(map[string]interface{})
+				if !ok {
+					break
+				}
+				if hasDeleteDirectiveMarker(typedE) {
+					return true
+				}
+			}
+		}
+	}
+	return false
+}

api/kv/kv.go

@@ -1,7 +1,7 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package loader
+package kv
 
 import (
 	"bufio"
@@ -14,19 +14,32 @@ import (
 	"unicode/utf8"
 
 	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 var utf8bom = []byte{0xEF, 0xBB, 0xBF}
 
-func (fl *fileLoader) Validator() ifc.Validator {
-	return fl.validator
+// loader reads and validates KV pairs.
+type loader struct {
+	// Used to read the filesystem.
+	ldr ifc.Loader
+
+	// Used to validate various k8s data fields.
+	validator ifc.Validator
 }
 
-func (fl *fileLoader) LoadKvPairs(
-	args types.GeneratorArgs) (all []types.Pair, err error) {
-	pairs, err := fl.keyValuesFromEnvFiles(args.EnvSources)
+func NewLoader(ldr ifc.Loader, v ifc.Validator) ifc.KvLoader {
+	return &loader{ldr: ldr, validator: v}
+}
+
+func (kvl *loader) Validator() ifc.Validator {
+	return kvl.validator
+}
+
+func (kvl *loader) Load(
+	args types.KvPairSources) (all []types.Pair, err error) {
+	pairs, err := kvl.keyValuesFromEnvFiles(args.EnvSources)
 	if err != nil {
 		return nil, errors.Wrap(err, fmt.Sprintf(
 			"env source files: %v",
@@ -41,7 +54,7 @@ func (fl *fileLoader) LoadKvPairs(
 	}
 	all = append(all, pairs...)
 
-	pairs, err = fl.keyValuesFromFileSources(args.FileSources)
+	pairs, err = kvl.keyValuesFromFileSources(args.FileSources)
 	if err != nil {
 		return nil, errors.Wrap(err, fmt.Sprintf(
 			"file sources: %v", args.FileSources))
@@ -61,14 +74,14 @@ func keyValuesFromLiteralSources(sources []string) ([]types.Pair, error) {
 	return kvs, nil
 }
 
-func (fl *fileLoader) keyValuesFromFileSources(sources []string) ([]types.Pair, error) {
+func (kvl *loader) keyValuesFromFileSources(sources []string) ([]types.Pair, error) {
 	var kvs []types.Pair
 	for _, s := range sources {
 		k, fPath, err := parseFileSource(s)
 		if err != nil {
 			return nil, err
 		}
-		content, err := fl.Load(fPath)
+		content, err := kvl.ldr.Load(fPath)
 		if err != nil {
 			return nil, err
 		}
@@ -77,14 +90,14 @@ func (fl *fileLoader) keyValuesFromFileSources(sources []string) ([]types.Pair,
 	return kvs, nil
 }
 
-func (fl *fileLoader) keyValuesFromEnvFiles(paths []string) ([]types.Pair, error) {
+func (kvl *loader) keyValuesFromEnvFiles(paths []string) ([]types.Pair, error) {
 	var kvs []types.Pair
 	for _, p := range paths {
-		content, err := fl.Load(p)
+		content, err := kvl.ldr.Load(p)
 		if err != nil {
 			return nil, err
 		}
-		more, err := fl.keyValuesFromLines(content)
+		more, err := kvl.keyValuesFromLines(content)
 		if err != nil {
 			return nil, err
 		}
@@ -94,7 +107,7 @@ func (fl *fileLoader) keyValuesFromEnvFiles(paths []string) ([]types.Pair, error
 }
 
 // keyValuesFromLines parses given content in to a list of key-value pairs.
-func (fl *fileLoader) keyValuesFromLines(content []byte) ([]types.Pair, error) {
+func (kvl *loader) keyValuesFromLines(content []byte) ([]types.Pair, error) {
 	var kvs []types.Pair
 
 	scanner := bufio.NewScanner(bytes.NewReader(content))
@@ -103,7 +116,7 @@ func (fl *fileLoader) keyValuesFromLines(content []byte) ([]types.Pair, error) {
 		// Process the current line, retrieving a key/value pair if
 		// possible.
 		scannedBytes := scanner.Bytes()
-		kv, err := fl.keyValuesFromLine(scannedBytes, currentLine)
+		kv, err := kvl.keyValuesFromLine(scannedBytes, currentLine)
 		if err != nil {
 			return nil, err
 		}
@@ -121,7 +134,7 @@ func (fl *fileLoader) keyValuesFromLines(content []byte) ([]types.Pair, error) {
 
 // KeyValuesFromLine returns a kv with blank key if the line is empty or a comment.
 // The value will be retrieved from the environment if necessary.
-func (fl *fileLoader) keyValuesFromLine(line []byte, currentLine int) (types.Pair, error) {
+func (kvl *loader) keyValuesFromLine(line []byte, currentLine int) (types.Pair, error) {
 	kv := types.Pair{}
 
 	if !utf8.Valid(line) {
@@ -143,7 +156,7 @@ func (fl *fileLoader) keyValuesFromLine(line []byte, currentLine int) (types.Pai
 
 	data := strings.SplitN(string(line), "=", 2)
 	key := data[0]
-	if err := fl.validator.IsEnvVarName(key); err != nil {
+	if err := kvl.validator.IsEnvVarName(key); err != nil {
 		return kv, err
 	}
 

api/kv/kv_test.go

@@ -1,17 +1,24 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package loader
+package kv
 
 import (
 	"reflect"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
-	"sigs.k8s.io/kustomize/v3/pkg/validators"
+	"sigs.k8s.io/kustomize/api/filesys"
+	ldr "sigs.k8s.io/kustomize/api/loader"
+	"sigs.k8s.io/kustomize/api/testutils/valtest"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
+func makeKvLoader(fSys filesys.FileSystem) *loader {
+	return &loader{
+		ldr:       ldr.NewFileLoaderAtRoot(fSys),
+		validator: valtest_test.MakeFakeValidator()}
+}
+
 func TestKeyValuesFromLines(t *testing.T) {
 	tests := []struct {
 		desc          string
@@ -45,10 +52,9 @@ func TestKeyValuesFromLines(t *testing.T) {
 		// TODO: add negative testcases
 	}
 
-	l := NewFileLoaderAtRoot(
-		validators.MakeFakeValidator(), fs.MakeFakeFS())
+	kvl := makeKvLoader(filesys.MakeFsInMemory())
 	for _, test := range tests {
-		pairs, err := l.keyValuesFromLines([]byte(test.content))
+		pairs, err := kvl.keyValuesFromLines([]byte(test.content))
 		if test.expectedErr && err == nil {
 			t.Fatalf("%s should not return error", test.desc)
 		}
@@ -76,11 +82,11 @@ func TestKeyValuesFromFileSources(t *testing.T) {
 		},
 	}
 
-	fSys := fs.MakeFakeFS()
+	fSys := filesys.MakeFsInMemory()
 	fSys.WriteFile("/files/app-init.ini", []byte("FOO=bar"))
-	l := NewFileLoaderAtRoot(validators.MakeFakeValidator(), fSys)
+	kvl := makeKvLoader(fSys)
 	for _, tc := range tests {
-		kvs, err := l.keyValuesFromFileSources(tc.sources)
+		kvs, err := kvl.keyValuesFromFileSources(tc.sources)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)
 		}

api/loader/fileloader.go

@@ -9,9 +9,9 @@ import (
 	"path/filepath"
 	"strings"
 
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
-	"sigs.k8s.io/kustomize/v3/pkg/git"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/git"
+	"sigs.k8s.io/kustomize/api/ifc"
 )
 
 // fileLoader is a kustomization's interface to files.
@@ -74,20 +74,17 @@ type fileLoader struct {
 	// An absolute, cleaned path to a directory.
 	// The Load function will read non-absolute
 	// paths relative to this directory.
-	root fs.ConfirmedDir
+	root filesys.ConfirmedDir
 
 	// Restricts behavior of Load function.
 	loadRestrictor LoadRestrictorFunc
 
-	// Used to validate various k8s data fields.
-	validator ifc.Validator
-
 	// If this is non-nil, the files were
 	// obtained from the given repository.
 	repoSpec *git.RepoSpec
 
 	// File system utilities.
-	fSys fs.FileSystem
+	fSys filesys.FileSystem
 
 	// Used to clone repositories.
 	cloner git.Cloner
@@ -100,16 +97,16 @@ const CWD = "."
 
 // NewFileLoaderAtCwd returns a loader that loads from ".".
 // A convenience for kustomize edit commands.
-func NewFileLoaderAtCwd(v ifc.Validator, fSys fs.FileSystem) *fileLoader {
+func NewFileLoaderAtCwd(fSys filesys.FileSystem) *fileLoader {
 	return newLoaderOrDie(
-		RestrictionRootOnly, v, fSys, CWD)
+		RestrictionRootOnly, fSys, CWD)
 }
 
 // NewFileLoaderAtRoot returns a loader that loads from "/".
 // A convenience for tests.
-func NewFileLoaderAtRoot(v ifc.Validator, fSys fs.FileSystem) *fileLoader {
+func NewFileLoaderAtRoot(fSys filesys.FileSystem) *fileLoader {
 	return newLoaderOrDie(
-		RestrictionRootOnly, v, fSys, string(filepath.Separator))
+		RestrictionRootOnly, fSys, string(filepath.Separator))
 }
 
 // Root returns the absolute path that is prepended to any
@@ -119,25 +116,23 @@ func (fl *fileLoader) Root() string {
 }
 
 func newLoaderOrDie(
-	lr LoadRestrictorFunc, v ifc.Validator,
-	fSys fs.FileSystem, path string) *fileLoader {
+	lr LoadRestrictorFunc,
+	fSys filesys.FileSystem, path string) *fileLoader {
 	root, err := demandDirectoryRoot(fSys, path)
 	if err != nil {
 		log.Fatalf("unable to make loader at '%s'; %v", path, err)
 	}
 	return newLoaderAtConfirmedDir(
-		lr, v, root, fSys, nil, git.ClonerUsingGitExec)
+		lr, root, fSys, nil, git.ClonerUsingGitExec)
 }
 
 // newLoaderAtConfirmedDir returns a new fileLoader with given root.
 func newLoaderAtConfirmedDir(
 	lr LoadRestrictorFunc,
-	v ifc.Validator,
-	root fs.ConfirmedDir, fSys fs.FileSystem,
+	root filesys.ConfirmedDir, fSys filesys.FileSystem,
 	referrer *fileLoader, cloner git.Cloner) *fileLoader {
 	return &fileLoader{
 		loadRestrictor: lr,
-		validator:      v,
 		root:           root,
 		referrer:       referrer,
 		fSys:           fSys,
@@ -148,7 +143,7 @@ func newLoaderAtConfirmedDir(
 
 // Assure that the given path is in fact a directory.
 func demandDirectoryRoot(
-	fSys fs.FileSystem, path string) (fs.ConfirmedDir, error) {
+	fSys filesys.FileSystem, path string) (filesys.ConfirmedDir, error) {
 	if path == "" {
 		return "", fmt.Errorf(
 			"loader root cannot be empty")
@@ -179,7 +174,7 @@ func (fl *fileLoader) New(path string) (ifc.Loader, error) {
 			return nil, err
 		}
 		return newLoaderAtGitClone(
-			repoSpec, fl.validator, fl.fSys, fl.referrer, fl.cloner)
+			repoSpec, fl.fSys, fl, fl.cloner)
 	}
 	if filepath.IsAbs(path) {
 		return nil, fmt.Errorf("new root '%s' cannot be absolute", path)
@@ -195,21 +190,23 @@ func (fl *fileLoader) New(path string) (ifc.Loader, error) {
 		return nil, err
 	}
 	return newLoaderAtConfirmedDir(
-		fl.loadRestrictor, fl.validator, root, fl.fSys, fl, fl.cloner), nil
+		fl.loadRestrictor, root, fl.fSys, fl, fl.cloner), nil
 }
 
 // newLoaderAtGitClone returns a new Loader pinned to a temporary
 // directory holding a cloned git repo.
 func newLoaderAtGitClone(
-	repoSpec *git.RepoSpec,
-	v ifc.Validator, fSys fs.FileSystem,
+	repoSpec *git.RepoSpec, fSys filesys.FileSystem,
 	referrer *fileLoader, cloner git.Cloner) (ifc.Loader, error) {
+	cleaner := repoSpec.Cleaner(fSys)
 	err := cloner(repoSpec)
 	if err != nil {
+		cleaner()
 		return nil, err
 	}
 	root, f, err := fSys.CleanedAbs(repoSpec.AbsPath())
 	if err != nil {
+		cleaner()
 		return nil, err
 	}
 	// We don't know that the path requested in repoSpec
@@ -217,6 +214,7 @@ func newLoaderAtGitClone(
 	// inside.  That just happened, hence the error check
 	// is here.
 	if f != "" {
+		cleaner()
 		return nil, fmt.Errorf(
 			"'%s' refers to file '%s'; expecting directory",
 			repoSpec.AbsPath(), f)
@@ -224,18 +222,17 @@ func newLoaderAtGitClone(
 	return &fileLoader{
 		// Clones never allowed to escape root.
 		loadRestrictor: RestrictionRootOnly,
-		validator:      v,
 		root:           root,
 		referrer:       referrer,
 		repoSpec:       repoSpec,
 		fSys:           fSys,
 		cloner:         cloner,
-		cleaner:        repoSpec.Cleaner(fSys),
+		cleaner:        cleaner,
 	}, nil
 }
 
 func (fl *fileLoader) errIfGitContainmentViolation(
-	base fs.ConfirmedDir) error {
+	base filesys.ConfirmedDir) error {
 	containingRepo := fl.containingRepo()
 	if containingRepo == nil {
 		return nil
@@ -265,7 +262,7 @@ func (fl *fileLoader) containingRepo() *git.RepoSpec {
 // errIfArgEqualOrHigher tests whether the argument,
 // is equal to or above the root of any ancestor.
 func (fl *fileLoader) errIfArgEqualOrHigher(
-	candidateRoot fs.ConfirmedDir) error {
+	candidateRoot filesys.ConfirmedDir) error {
 	if fl.root.HasPrefix(candidateRoot) {
 		return fmt.Errorf(
 			"cycle detected: candidate root '%s' contains visited root '%s'",

api/loader/fileloader_test.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+/// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package loader
 
@@ -25,11 +12,10 @@ import (
 	"strings"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
-	"sigs.k8s.io/kustomize/v3/pkg/git"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/pgmconfig"
-	"sigs.k8s.io/kustomize/v3/pkg/validators"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/git"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/pgmconfig"
 )
 
 type testData struct {
@@ -56,8 +42,8 @@ var testCases = []testData{
 	},
 }
 
-func MakeFakeFs(td []testData) fs.FileSystem {
-	fSys := fs.MakeFakeFS()
+func MakeFakeFs(td []testData) filesys.FileSystem {
+	fSys := filesys.MakeFsInMemory()
 	for _, x := range td {
 		fSys.WriteFile("/"+x.path, []byte(x.expectedContent))
 	}
@@ -65,7 +51,7 @@ func MakeFakeFs(td []testData) fs.FileSystem {
 }
 
 func makeLoader() *fileLoader {
-	return NewFileLoaderAtRoot(validators.MakeFakeValidator(), MakeFakeFs(testCases))
+	return NewFileLoaderAtRoot(MakeFakeFs(testCases))
 
 }
 func TestLoaderLoad(t *testing.T) {
@@ -225,12 +211,12 @@ const (
 //   │   └── symLinkToExteriorData -> ../exteriorData
 //   └── exteriorData
 //
-func commonSetupForLoaderRestrictionTest() (string, fs.FileSystem, error) {
+func commonSetupForLoaderRestrictionTest() (string, filesys.FileSystem, error) {
 	dir, err := ioutil.TempDir("", "kustomize-test-")
 	if err != nil {
 		return "", nil, err
 	}
-	fSys := fs.MakeRealFS()
+	fSys := filesys.MakeFsOnDisk()
 	fSys.Mkdir(filepath.Join(dir, "base"))
 
 	fSys.WriteFile(
@@ -302,8 +288,7 @@ func TestRestrictionRootOnlyInRealLoader(t *testing.T) {
 
 	var l ifc.Loader
 
-	l = newLoaderOrDie(
-		RestrictionRootOnly, validators.MakeFakeValidator(), fSys, dir)
+	l = newLoaderOrDie(RestrictionRootOnly, fSys, dir)
 
 	l = doSanityChecksAndDropIntoBase(t, l)
 
@@ -336,8 +321,7 @@ func TestRestrictionNoneInRealLoader(t *testing.T) {
 
 	var l ifc.Loader
 
-	l = newLoaderOrDie(
-		RestrictionNone, validators.MakeFakeValidator(), fSys, dir)
+	l = newLoaderOrDie(RestrictionNone, fSys, dir)
 
 	l = doSanityChecksAndDropIntoBase(t, l)
 
@@ -385,11 +369,12 @@ func TestNewLoaderAtGitClone(t *testing.T) {
 	pathInRepo := "foo/base"
 	url := rootUrl + "/" + pathInRepo
 	coRoot := "/tmp"
-	fSys := fs.MakeFakeFS()
+	fSys := filesys.MakeFsInMemory()
 	fSys.MkdirAll(coRoot)
 	fSys.MkdirAll(coRoot + "/" + pathInRepo)
 	fSys.WriteFile(
-		coRoot+"/"+pathInRepo+"/"+pgmconfig.KustomizationFileNames[0],
+		coRoot+"/"+pathInRepo+"/"+
+			pgmconfig.DefaultKustomizationFileName(),
 		[]byte(`
 whatever
 `))
@@ -399,8 +384,8 @@ whatever
 		t.Fatalf("unexpected err: %v\n", err)
 	}
 	l, err := newLoaderAtGitClone(
-		repoSpec, validators.MakeFakeValidator(), fSys, nil,
-		git.DoNothingCloner(fs.ConfirmedDir(coRoot)))
+		repoSpec, fSys, nil,
+		git.DoNothingCloner(filesys.ConfirmedDir(coRoot)))
 	if err != nil {
 		t.Fatalf("unexpected err: %v\n", err)
 	}
@@ -432,7 +417,7 @@ func TestLoaderDisallowsLocalBaseFromRemoteOverlay(t *testing.T) {
 	// Define an overlay-base structure in the file system.
 	topDir := "/whatever"
 	cloneRoot := topDir + "/someClone"
-	fSys := fs.MakeFakeFS()
+	fSys := filesys.MakeFsInMemory()
 	fSys.MkdirAll(topDir + "/highBase")
 	fSys.MkdirAll(cloneRoot + "/foo/base")
 	fSys.MkdirAll(cloneRoot + "/foo/overlay")
@@ -442,7 +427,7 @@ func TestLoaderDisallowsLocalBaseFromRemoteOverlay(t *testing.T) {
 	// Establish that a local overlay can navigate
 	// to the local bases.
 	l1 = newLoaderOrDie(
-		RestrictionRootOnly, validators.MakeFakeValidator(), fSys, cloneRoot+"/foo/overlay")
+		RestrictionRootOnly, fSys, cloneRoot+"/foo/overlay")
 	if l1.Root() != cloneRoot+"/foo/overlay" {
 		t.Fatalf("unexpected root %s", l1.Root())
 	}
@@ -478,8 +463,8 @@ func TestLoaderDisallowsLocalBaseFromRemoteOverlay(t *testing.T) {
 		t.Fatalf("unexpected err: %v\n", err)
 	}
 	l1, err = newLoaderAtGitClone(
-		repoSpec, validators.MakeFakeValidator(), fSys, nil,
-		git.DoNothingCloner(fs.ConfirmedDir(cloneRoot)))
+		repoSpec, fSys, nil,
+		git.DoNothingCloner(filesys.ConfirmedDir(cloneRoot)))
 	if err != nil {
 		t.Fatalf("unexpected err: %v\n", err)
 	}
@@ -508,7 +493,7 @@ func TestLoaderDisallowsLocalBaseFromRemoteOverlay(t *testing.T) {
 func TestLocalLoaderReferencingGitBase(t *testing.T) {
 	topDir := "/whatever"
 	cloneRoot := topDir + "/someClone"
-	fSys := fs.MakeFakeFS()
+	fSys := filesys.MakeFsInMemory()
 	fSys.MkdirAll(topDir)
 	fSys.MkdirAll(cloneRoot + "/foo/base")
 
@@ -517,8 +502,8 @@ func TestLocalLoaderReferencingGitBase(t *testing.T) {
 		t.Fatalf("unexpected err:  %v\n", err)
 	}
 	l1 := newLoaderAtConfirmedDir(
-		RestrictionRootOnly, validators.MakeFakeValidator(), root, fSys, nil,
-		git.DoNothingCloner(fs.ConfirmedDir(cloneRoot)))
+		RestrictionRootOnly, root, fSys, nil,
+		git.DoNothingCloner(filesys.ConfirmedDir(cloneRoot)))
 	if l1.Root() != topDir {
 		t.Fatalf("unexpected root %s", l1.Root())
 	}
@@ -530,3 +515,67 @@ func TestLocalLoaderReferencingGitBase(t *testing.T) {
 		t.Fatalf("unexpected root %s", l2.Root())
 	}
 }
+
+func TestRepoDirectCycleDetection(t *testing.T) {
+	topDir := "/cycles"
+	cloneRoot := topDir + "/someClone"
+	fSys := filesys.MakeFsInMemory()
+	fSys.MkdirAll(topDir)
+	fSys.MkdirAll(cloneRoot)
+
+	root, err := demandDirectoryRoot(fSys, topDir)
+	if err != nil {
+		t.Fatalf("unexpected err: %v\n", err)
+	}
+	l1 := newLoaderAtConfirmedDir(
+		RestrictionRootOnly, root, fSys, nil,
+		git.DoNothingCloner(filesys.ConfirmedDir(cloneRoot)))
+	p1 := "github.com/someOrg/someRepo/foo"
+	rs1, err := git.NewRepoSpecFromUrl(p1)
+	if err != nil {
+		t.Fatalf("unexpected err: %v", err)
+	}
+	l1.repoSpec = rs1
+	_, err = l1.New(p1)
+	if err == nil {
+		t.Fatalf("expected error")
+	}
+	if !strings.Contains(err.Error(), "cycle detected") {
+		t.Fatalf("unexpected err: %v", err)
+	}
+}
+
+func TestRepoIndirectCycleDetection(t *testing.T) {
+	topDir := "/cycles"
+	cloneRoot := topDir + "/someClone"
+	fSys := filesys.MakeFsInMemory()
+	fSys.MkdirAll(topDir)
+	fSys.MkdirAll(cloneRoot)
+
+	root, err := demandDirectoryRoot(fSys, topDir)
+	if err != nil {
+		t.Fatalf("unexpected err: %v", err)
+	}
+	l0 := newLoaderAtConfirmedDir(
+		RestrictionRootOnly, root, fSys, nil,
+		git.DoNothingCloner(filesys.ConfirmedDir(cloneRoot)))
+
+	p1 := "github.com/someOrg/someRepo1"
+	p2 := "github.com/someOrg/someRepo2"
+
+	l1, err := l0.New(p1)
+	if err != nil {
+		t.Fatalf("unexpected err: %v", err)
+	}
+	l2, err := l1.New(p2)
+	if err != nil {
+		t.Fatalf("unexpected err: %v", err)
+	}
+	_, err = l2.New(p1)
+	if err == nil {
+		t.Fatalf("expected error")
+	}
+	if !strings.Contains(err.Error(), "cycle detected") {
+		t.Fatalf("unexpected err: %v", err)
+	}
+}

api/loader/loader.go

@@ -0,0 +1,34 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package loader has a data loading interface and various implementations.
+package loader
+
+import (
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/git"
+	"sigs.k8s.io/kustomize/api/ifc"
+)
+
+// NewLoader returns a Loader pointed at the given target.
+// If the target is remote, the loader will be restricted
+// to the root and below only.  If the target is local, the
+// loader will have the restrictions passed in.  Regardless,
+// if a local target attempts to transitively load remote bases,
+// the remote bases will all be root-only restricted.
+func NewLoader(
+	lr LoadRestrictorFunc,
+	target string, fSys filesys.FileSystem) (ifc.Loader, error) {
+	repoSpec, err := git.NewRepoSpecFromUrl(target)
+	if err == nil {
+		// The target qualifies as a remote git target.
+		return newLoaderAtGitClone(
+			repoSpec, fSys, nil, git.ClonerUsingGitExec)
+	}
+	root, err := demandDirectoryRoot(fSys, target)
+	if err != nil {
+		return nil, err
+	}
+	return newLoaderAtConfirmedDir(
+		lr, root, fSys, nil, git.ClonerUsingGitExec), nil
+}

api/loader/loadrestrictions.go

@@ -1,18 +1,5 @@
-/*
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package loader
 
@@ -20,7 +7,7 @@ import (
 	"fmt"
 
 	"github.com/spf13/pflag"
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
+	"sigs.k8s.io/kustomize/api/filesys"
 )
 
 //go:generate stringer -type=loadRestrictions
@@ -64,10 +51,10 @@ func ValidateFlagLoadRestrictor() (LoadRestrictorFunc, error) {
 }
 
 type LoadRestrictorFunc func(
-	fs.FileSystem, fs.ConfirmedDir, string) (string, error)
+	filesys.FileSystem, filesys.ConfirmedDir, string) (string, error)
 
 func RestrictionRootOnly(
-	fSys fs.FileSystem, root fs.ConfirmedDir, path string) (string, error) {
+	fSys filesys.FileSystem, root filesys.ConfirmedDir, path string) (string, error) {
 	d, f, err := fSys.CleanedAbs(path)
 	if err != nil {
 		return "", err
@@ -84,6 +71,6 @@ func RestrictionRootOnly(
 }
 
 func RestrictionNone(
-	_ fs.FileSystem, _ fs.ConfirmedDir, path string) (string, error) {
+	_ filesys.FileSystem, _ filesys.ConfirmedDir, path string) (string, error) {
 	return path, nil
 }

api/loader/loadrestrictions_test.go

@@ -20,12 +20,12 @@ import (
 	"strings"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/pkg/fs"
+	"sigs.k8s.io/kustomize/api/filesys"
 )
 
 func TestRestrictionNone(t *testing.T) {
-	fSys := fs.MakeFakeFS()
-	root := fs.ConfirmedDir("irrelevant")
+	fSys := filesys.MakeFsInMemory()
+	root := filesys.ConfirmedDir("irrelevant")
 	path := "whatever"
 	p, err := RestrictionNone(fSys, root, path)
 	if err != nil {
@@ -37,8 +37,8 @@ func TestRestrictionNone(t *testing.T) {
 }
 
 func TestRestrictionRootOnly(t *testing.T) {
-	fSys := fs.MakeFakeFS()
-	root := fs.ConfirmedDir("/tmp/foo")
+	fSys := filesys.MakeFsInMemory()
+	root := filesys.ConfirmedDir("/tmp/foo")
 
 	path := "/tmp/foo/whatever/beans"
 	p, err := RestrictionRootOnly(fSys, root, path)

api/main.go

@@ -0,0 +1,21 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// A dummy main to help with releasing the kustomize API module.
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/provenance"
+)
+
+// TODO: delete this when we find a better way to generate release notes.
+func main() {
+	fmt.Println(`
+This 'main' exists only to make goreleaser create release notes for the API.
+See https://github.com/goreleaser/goreleaser/issues/981
+and https://github.com/kubernetes-sigs/kustomize/tree/master/releasing`)
+	provenance.GetProvenance().Print(os.Stdout, false)
+}

api/pgmconfig/pgmconfig.go

@@ -0,0 +1,41 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package pgmconfig
+
+// RecognizedKustomizationFileNames is a list of file names
+// that kustomize recognizes.
+// To avoid ambiguity, a kustomization directory may not
+// contain more than one match to this list.
+func RecognizedKustomizationFileNames() []string {
+	return []string{
+		"kustomization.yaml",
+		"kustomization.yml",
+		"Kustomization",
+	}
+}
+
+func DefaultKustomizationFileName() string {
+	return RecognizedKustomizationFileNames()[0]
+}
+
+const (
+	// An environment variable to consult for kustomization
+	// configuration data.  See:
+	// https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
+	XdgConfigHome = "XDG_CONFIG_HOME"
+
+	// Use this when XdgConfigHome not defined.
+	DefaultConfigSubdir = ".config"
+
+	// Program name, for help, finding the XDG_CONFIG_DIR, etc.
+	ProgramName = "kustomize"
+
+	// TODO: delete this.  it's a copy of a const
+	// defined elsewhere but used by pluginator.
+	DomainName = "sigs.k8s.io"
+
+	// TODO: delete this.  its a copy of a const
+	// defined elsewhere but used by pluginator.
+	PluginRoot = "plugin"
+)

api/plugins/builtinconfig/consts/commonannotations.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 defaultconfig
+package consts
 
 const commonAnnotationFieldSpecs = `
 commonAnnotations:

api/plugins/builtinconfig/consts/commonlabels.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 defaultconfig
+package consts
 
 const commonLabelFieldSpecs = `
 commonLabels:

api/plugins/builtinconfig/consts/defaultconfig.go

@@ -1,22 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 defaultconfig provides the default
-// transformer configurations
-package defaultconfig
+package consts
 
 import (
 	"bytes"

api/plugins/builtinconfig/consts/doc.go

@@ -0,0 +1,5 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package consts provides builtin plugin configuration data.
+package consts

api/plugins/builtinconfig/consts/images.go

@@ -0,0 +1,10 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package consts
+
+const (
+	// imageFieldSpecs is left empty since `containers` and `initContainers`
+	// of *ANY* kind in *ANY* path are builtin supported in code
+	imagesFieldSpecs = ``
+)

api/plugins/builtinconfig/consts/nameprefix.go

@@ -0,0 +1,11 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package consts
+
+const (
+	namePrefixFieldSpecs = `
+namePrefix:
+- path: metadata/name
+`
+)

api/plugins/builtinconfig/consts/namereference.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 defaultconfig
+package consts
 
 const (
 	nameReferenceFieldSpecs = `

api/plugins/builtinconfig/consts/namespace.go

@@ -0,0 +1,16 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package consts
+
+const (
+	namespaceFieldSpecs = `
+namespace:
+- path: metadata/namespace
+  create: true
+- path: subjects
+  kind: RoleBinding
+- path: subjects
+  kind: ClusterRoleBinding
+`
+)

api/plugins/builtinconfig/consts/replicas.go

@@ -1,4 +1,7 @@
-package defaultconfig
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package consts
 
 const replicasFieldSpecs = `
 replicas:

api/plugins/builtinconfig/consts/varreference.go

@@ -1,20 +1,7 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 defaultconfig
+package consts
 
 const (
 	varReferenceFieldSpecs = `

api/plugins/builtinconfig/doc.go

@@ -0,0 +1,10 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package builtinconfig provides legacy methods for
+// configuring builtin plugins from a common config file.
+// As a user, its best to configure plugins individually
+// with plugin config files specified in the `transformers:`
+// or `generators:` field, than to use this legacy
+// configuration technique.
+package builtinconfig

api/plugins/builtinconfig/loaddefaultconfig.go

@@ -0,0 +1,42 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package builtinconfig
+
+import (
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/yaml"
+)
+
+// loadDefaultConfig returns a TranformerConfig
+// object from a list of files.
+func loadDefaultConfig(
+	ldr ifc.Loader, paths []string) (*TransformerConfig, error) {
+	result := &TransformerConfig{}
+	for _, path := range paths {
+		data, err := ldr.Load(path)
+		if err != nil {
+			return nil, err
+		}
+		t, err := makeTransformerConfigFromBytes(data)
+		if err != nil {
+			return nil, err
+		}
+		result, err = result.Merge(t)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return result, nil
+}
+
+// makeTransformerConfigFromBytes returns a TransformerConfig object from bytes
+func makeTransformerConfigFromBytes(data []byte) (*TransformerConfig, error) {
+	var t TransformerConfig
+	err := yaml.Unmarshal(data, &t)
+	if err != nil {
+		return nil, err
+	}
+	t.sortFields()
+	return &t, nil
+}

api/plugins/builtinconfig/loaddefaultconfig_test.go

@@ -1,37 +1,32 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package config
+package builtinconfig
 
 import (
 	"reflect"
 	"testing"
 
-	"sigs.k8s.io/kustomize/v3/internal/loadertest"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
+	"sigs.k8s.io/kustomize/api/internal/loadertest"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
-func TestMakeDefaultConfig(t *testing.T) {
-	// Confirm default can be made without fatal error inside call.
-	_ = MakeDefaultConfig()
-}
-
-func TestFromFiles(t *testing.T) {
-
+func TestLoadDefaultConfigsFromFiles(t *testing.T) {
 	ldr := loadertest.NewFakeLoader("/app")
 	ldr.AddFile("/app/config.yaml", []byte(`
 namePrefix:
 - path: nameprefix/path
   kind: SomeKind
 `))
-	tcfg, err := NewFactory(ldr).FromFiles([]string{"/app/config.yaml"})
+	tcfg, err := loadDefaultConfig(ldr, []string{"/app/config.yaml"})
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
 	expected := &TransformerConfig{
-		NamePrefix: []FieldSpec{
+		NamePrefix: []types.FieldSpec{
 			{
-				Gvk:  gvk.Gvk{Kind: "SomeKind"},
+				Gvk:  resid.Gvk{Kind: "SomeKind"},
 				Path: "nameprefix/path",
 			},
 		},

api/plugins/builtinconfig/namebackreferences.go

@@ -1,25 +1,13 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 config
+package builtinconfig
 
 import (
 	"strings"
 
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 // NameBackReferences is an association between a gvk.GVK and a list
@@ -51,8 +39,8 @@ import (
 //       (etc.)
 //   }
 type NameBackReferences struct {
-	gvk.Gvk    `json:",inline,omitempty" yaml:",inline,omitempty"`
-	FieldSpecs fsSlice `json:"FieldSpecs,omitempty" yaml:"FieldSpecs,omitempty"`
+	resid.Gvk  `json:",inline,omitempty" yaml:",inline,omitempty"`
+	FieldSpecs types.FsSlice `json:"FieldSpecs,omitempty" yaml:"FieldSpecs,omitempty"`
 }
 
 func (n NameBackReferences) String() string {
@@ -89,7 +77,7 @@ func (s nbrSlice) mergeOne(other NameBackReferences) (nbrSlice, error) {
 	found := false
 	for _, c := range s {
 		if c.Gvk.Equals(other.Gvk) {
-			c.FieldSpecs, err = c.FieldSpecs.mergeAll(other.FieldSpecs)
+			c.FieldSpecs, err = c.FieldSpecs.MergeAll(other.FieldSpecs)
 			if err != nil {
 				return nil, err
 			}

api/plugins/builtinconfig/namebackreferences_test.go

@@ -1,54 +1,43 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 config
+package builtinconfig
 
 import (
 	"reflect"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
 	"testing"
+
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func TestMergeAll(t *testing.T) {
-	fsSlice1 := []FieldSpec{
+	fsSlice1 := []types.FieldSpec{
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "Pod",
 			},
 			Path:               "path/to/a/name",
 			CreateIfNotPresent: false,
 		},
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "Deployment",
 			},
 			Path:               "another/path/to/some/name",
 			CreateIfNotPresent: false,
 		},
 	}
-	fsSlice2 := []FieldSpec{
+	fsSlice2 := []types.FieldSpec{
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "Job",
 			},
 			Path:               "morepath/to/name",
 			CreateIfNotPresent: false,
 		},
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "StatefulSet",
 			},
 			Path:               "yet/another/path/to/a/name",
@@ -58,13 +47,13 @@ func TestMergeAll(t *testing.T) {
 
 	nbrsSlice1 := nbrSlice{
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "ConfigMap",
 			},
 			FieldSpecs: fsSlice1,
 		},
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "Secret",
 			},
 			FieldSpecs: fsSlice2,
@@ -72,13 +61,13 @@ func TestMergeAll(t *testing.T) {
 	}
 	nbrsSlice2 := nbrSlice{
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "ConfigMap",
 			},
 			FieldSpecs: fsSlice1,
 		},
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "Secret",
 			},
 			FieldSpecs: fsSlice2,
@@ -86,13 +75,13 @@ func TestMergeAll(t *testing.T) {
 	}
 	expected := nbrSlice{
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "ConfigMap",
 			},
 			FieldSpecs: fsSlice1,
 		},
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "Secret",
 			},
 			FieldSpecs: fsSlice2,

api/plugins/builtinconfig/transformerconfig.go

@@ -0,0 +1,148 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package builtinconfig
+
+import (
+	"log"
+	"sort"
+
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/plugins/builtinconfig/consts"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+// TransformerConfig holds the data needed to perform transformations.
+type TransformerConfig struct {
+	NamePrefix        types.FsSlice `json:"namePrefix,omitempty" yaml:"namePrefix,omitempty"`
+	NameSuffix        types.FsSlice `json:"nameSuffix,omitempty" yaml:"nameSuffix,omitempty"`
+	NameSpace         types.FsSlice `json:"namespace,omitempty" yaml:"namespace,omitempty"`
+	CommonLabels      types.FsSlice `json:"commonLabels,omitempty" yaml:"commonLabels,omitempty"`
+	CommonAnnotations types.FsSlice `json:"commonAnnotations,omitempty" yaml:"commonAnnotations,omitempty"`
+	NameReference     nbrSlice      `json:"nameReference,omitempty" yaml:"nameReference,omitempty"`
+	VarReference      types.FsSlice `json:"varReference,omitempty" yaml:"varReference,omitempty"`
+	Images            types.FsSlice `json:"images,omitempty" yaml:"images,omitempty"`
+	Replicas          types.FsSlice `json:"replicas,omitempty" yaml:"replicas,omitempty"`
+}
+
+// MakeEmptyConfig returns an empty TransformerConfig object
+func MakeEmptyConfig() *TransformerConfig {
+	return &TransformerConfig{}
+}
+
+// MakeDefaultConfig returns a default TransformerConfig.
+func MakeDefaultConfig() *TransformerConfig {
+	c, err := makeTransformerConfigFromBytes(
+		consts.GetDefaultFieldSpecs())
+	if err != nil {
+		log.Fatalf("Unable to make default transformconfig: %v", err)
+	}
+	return c
+}
+
+// MakeTransformerConfig returns a merger of custom config,
+// if any, with default config.
+func MakeTransformerConfig(
+	ldr ifc.Loader, paths []string) (*TransformerConfig, error) {
+	t1 := MakeDefaultConfig()
+	if len(paths) == 0 {
+		return t1, nil
+	}
+	t2, err := loadDefaultConfig(ldr, paths)
+	if err != nil {
+		return nil, err
+	}
+	return t1.Merge(t2)
+}
+
+// sortFields provides determinism in logging, tests, etc.
+func (t *TransformerConfig) sortFields() {
+	sort.Sort(t.NamePrefix)
+	sort.Sort(t.NameSpace)
+	sort.Sort(t.CommonLabels)
+	sort.Sort(t.CommonAnnotations)
+	sort.Sort(t.NameReference)
+	sort.Sort(t.VarReference)
+	sort.Sort(t.Images)
+	sort.Sort(t.Replicas)
+}
+
+// AddPrefixFieldSpec adds a FieldSpec to NamePrefix
+func (t *TransformerConfig) AddPrefixFieldSpec(fs types.FieldSpec) (err error) {
+	t.NamePrefix, err = t.NamePrefix.MergeOne(fs)
+	return err
+}
+
+// AddSuffixFieldSpec adds a FieldSpec to NameSuffix
+func (t *TransformerConfig) AddSuffixFieldSpec(fs types.FieldSpec) (err error) {
+	t.NameSuffix, err = t.NameSuffix.MergeOne(fs)
+	return err
+}
+
+// AddLabelFieldSpec adds a FieldSpec to CommonLabels
+func (t *TransformerConfig) AddLabelFieldSpec(fs types.FieldSpec) (err error) {
+	t.CommonLabels, err = t.CommonLabels.MergeOne(fs)
+	return err
+}
+
+// AddAnnotationFieldSpec adds a FieldSpec to CommonAnnotations
+func (t *TransformerConfig) AddAnnotationFieldSpec(fs types.FieldSpec) (err error) {
+	t.CommonAnnotations, err = t.CommonAnnotations.MergeOne(fs)
+	return err
+}
+
+// AddNamereferenceFieldSpec adds a NameBackReferences to NameReference
+func (t *TransformerConfig) AddNamereferenceFieldSpec(
+	nbrs NameBackReferences) (err error) {
+	t.NameReference, err = t.NameReference.mergeOne(nbrs)
+	return err
+}
+
+// Merge merges two TransformerConfigs objects into
+// a new TransformerConfig object
+func (t *TransformerConfig) Merge(input *TransformerConfig) (
+	merged *TransformerConfig, err error) {
+	if input == nil {
+		return t, nil
+	}
+	merged = &TransformerConfig{}
+	merged.NamePrefix, err = t.NamePrefix.MergeAll(input.NamePrefix)
+	if err != nil {
+		return nil, err
+	}
+	merged.NameSuffix, err = t.NameSuffix.MergeAll(input.NameSuffix)
+	if err != nil {
+		return nil, err
+	}
+	merged.NameSpace, err = t.NameSpace.MergeAll(input.NameSpace)
+	if err != nil {
+		return nil, err
+	}
+	merged.CommonAnnotations, err = t.CommonAnnotations.MergeAll(
+		input.CommonAnnotations)
+	if err != nil {
+		return nil, err
+	}
+	merged.CommonLabels, err = t.CommonLabels.MergeAll(input.CommonLabels)
+	if err != nil {
+		return nil, err
+	}
+	merged.VarReference, err = t.VarReference.MergeAll(input.VarReference)
+	if err != nil {
+		return nil, err
+	}
+	merged.NameReference, err = t.NameReference.mergeAll(input.NameReference)
+	if err != nil {
+		return nil, err
+	}
+	merged.Images, err = t.Images.MergeAll(input.Images)
+	if err != nil {
+		return nil, err
+	}
+	merged.Replicas, err = t.Replicas.MergeAll(input.Replicas)
+	if err != nil {
+		return nil, err
+	}
+	merged.sortFields()
+	return merged, nil
+}

api/plugins/builtinconfig/transformerconfig_test.go

@@ -1,39 +1,32 @@
-/*
-Copyright 2018 The Kubernetes Authors.
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
-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 config
+package builtinconfig_test
 
 import (
+	"reflect"
 	"testing"
 
-	"reflect"
-
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
+	. "sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
+func TestMakeDefaultConfig(t *testing.T) {
+	// Confirm default can be made without fatal error inside call.
+	_ = MakeDefaultConfig()
+}
+
 func TestAddNamereferenceFieldSpec(t *testing.T) {
 	cfg := &TransformerConfig{}
 
 	nbrs := NameBackReferences{
-		Gvk: gvk.Gvk{
+		Gvk: resid.Gvk{
 			Kind: "KindA",
 		},
-		FieldSpecs: []FieldSpec{
+		FieldSpecs: []types.FieldSpec{
 			{
-				Gvk: gvk.Gvk{
+				Gvk: resid.Gvk{
 					Kind: "KindB",
 				},
 				Path:               "path/to/a/field",
@@ -54,8 +47,8 @@ func TestAddNamereferenceFieldSpec(t *testing.T) {
 func TestAddFieldSpecs(t *testing.T) {
 	cfg := &TransformerConfig{}
 
-	fieldSpec := FieldSpec{
-		Gvk:                gvk.Gvk{Group: "GroupA", Kind: "KindB"},
+	fieldSpec := types.FieldSpec{
+		Gvk:                resid.Gvk{Group: "GroupA", Kind: "KindB"},
 		Path:               "path/to/a/field",
 		CreateIfNotPresent: true,
 	}
@@ -93,12 +86,12 @@ func TestAddFieldSpecs(t *testing.T) {
 func TestMerge(t *testing.T) {
 	nameReference := []NameBackReferences{
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "KindA",
 			},
-			FieldSpecs: []FieldSpec{
+			FieldSpecs: []types.FieldSpec{
 				{
-					Gvk: gvk.Gvk{
+					Gvk: resid.Gvk{
 						Kind: "KindB",
 					},
 					Path:               "path/to/a/field",
@@ -107,12 +100,12 @@ func TestMerge(t *testing.T) {
 			},
 		},
 		{
-			Gvk: gvk.Gvk{
+			Gvk: resid.Gvk{
 				Kind: "KindA",
 			},
-			FieldSpecs: []FieldSpec{
+			FieldSpecs: []types.FieldSpec{
 				{
-					Gvk: gvk.Gvk{
+					Gvk: resid.Gvk{
 						Kind: "KindC",
 					},
 					Path:               "path/to/a/field",
@@ -121,14 +114,14 @@ func TestMerge(t *testing.T) {
 			},
 		},
 	}
-	fieldSpecs := []FieldSpec{
+	fieldSpecs := []types.FieldSpec{
 		{
-			Gvk:                gvk.Gvk{Group: "GroupA", Kind: "KindB"},
+			Gvk:                resid.Gvk{Group: "GroupA", Kind: "KindB"},
 			Path:               "path/to/a/field",
 			CreateIfNotPresent: true,
 		},
 		{
-			Gvk:                gvk.Gvk{Group: "GroupA", Kind: "KindC"},
+			Gvk:                resid.Gvk{Group: "GroupA", Kind: "KindC"},
 			Path:               "path/to/a/field",
 			CreateIfNotPresent: true,
 		},

api/plugins/builtinhelpers/builtinplugintype_string.go

@@ -0,0 +1,37 @@
+// Code generated by "stringer -type=BuiltinPluginType"; DO NOT EDIT.
+
+package builtinhelpers
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[Unknown-0]
+	_ = x[AnnotationsTransformer-1]
+	_ = x[ConfigMapGenerator-2]
+	_ = x[HashTransformer-3]
+	_ = x[ImageTagTransformer-4]
+	_ = x[InventoryTransformer-5]
+	_ = x[LabelTransformer-6]
+	_ = x[LegacyOrderTransformer-7]
+	_ = x[NamespaceTransformer-8]
+	_ = x[PatchJson6902Transformer-9]
+	_ = x[PatchStrategicMergeTransformer-10]
+	_ = x[PatchTransformer-11]
+	_ = x[PrefixSuffixTransformer-12]
+	_ = x[ReplicaCountTransformer-13]
+	_ = x[SecretGenerator-14]
+}
+
+const _BuiltinPluginType_name = "UnknownAnnotationsTransformerConfigMapGeneratorHashTransformerImageTagTransformerInventoryTransformerLabelTransformerLegacyOrderTransformerNamespaceTransformerPatchJson6902TransformerPatchStrategicMergeTransformerPatchTransformerPrefixSuffixTransformerReplicaCountTransformerSecretGenerator"
+
+var _BuiltinPluginType_index = [...]uint16{0, 7, 29, 47, 62, 81, 101, 117, 139, 159, 183, 213, 229, 252, 275, 290}
+
+func (i BuiltinPluginType) String() string {
+	if i < 0 || i >= BuiltinPluginType(len(_BuiltinPluginType_index)-1) {
+		return "BuiltinPluginType(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _BuiltinPluginType_name[_BuiltinPluginType_index[i]:_BuiltinPluginType_index[i+1]]
+}

api/plugins/builtinhelpers/builtins.go

@@ -0,0 +1,75 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package builtinhelpers
+
+import (
+	"sigs.k8s.io/kustomize/api/plugins/builtins"
+	"sigs.k8s.io/kustomize/api/resmap"
+)
+
+//go:generate stringer -type=BuiltinPluginType
+type BuiltinPluginType int
+
+const (
+	Unknown BuiltinPluginType = iota
+	AnnotationsTransformer
+	ConfigMapGenerator
+	HashTransformer
+	ImageTagTransformer
+	InventoryTransformer
+	LabelTransformer
+	LegacyOrderTransformer
+	NamespaceTransformer
+	PatchJson6902Transformer
+	PatchStrategicMergeTransformer
+	PatchTransformer
+	PrefixSuffixTransformer
+	ReplicaCountTransformer
+	SecretGenerator
+)
+
+var stringToBuiltinPluginTypeMap map[string]BuiltinPluginType
+
+func init() {
+	stringToBuiltinPluginTypeMap = makeStringToBuiltinPluginTypeMap()
+}
+
+func makeStringToBuiltinPluginTypeMap() (result map[string]BuiltinPluginType) {
+	result = make(map[string]BuiltinPluginType, 23)
+	for k := range GeneratorFactories {
+		result[k.String()] = k
+	}
+	for k := range TransformerFactories {
+		result[k.String()] = k
+	}
+	return
+}
+
+func GetBuiltinPluginType(n string) BuiltinPluginType {
+	result, ok := stringToBuiltinPluginTypeMap[n]
+	if ok {
+		return result
+	}
+	return Unknown
+}
+
+var GeneratorFactories = map[BuiltinPluginType]func() resmap.GeneratorPlugin{
+	ConfigMapGenerator: builtins.NewConfigMapGeneratorPlugin,
+	SecretGenerator:    builtins.NewSecretGeneratorPlugin,
+}
+
+var TransformerFactories = map[BuiltinPluginType]func() resmap.TransformerPlugin{
+	AnnotationsTransformer:         builtins.NewAnnotationsTransformerPlugin,
+	HashTransformer:                builtins.NewHashTransformerPlugin,
+	ImageTagTransformer:            builtins.NewImageTagTransformerPlugin,
+	InventoryTransformer:           builtins.NewInventoryTransformerPlugin,
+	LabelTransformer:               builtins.NewLabelTransformerPlugin,
+	LegacyOrderTransformer:         builtins.NewLegacyOrderTransformerPlugin,
+	NamespaceTransformer:           builtins.NewNamespaceTransformerPlugin,
+	PatchJson6902Transformer:       builtins.NewPatchJson6902TransformerPlugin,
+	PatchStrategicMergeTransformer: builtins.NewPatchStrategicMergeTransformerPlugin,
+	PatchTransformer:               builtins.NewPatchTransformerPlugin,
+	PrefixSuffixTransformer:        builtins.NewPrefixSuffixTransformerPlugin,
+	ReplicaCountTransformer:        builtins.NewReplicaCountTransformerPlugin,
+}

api/plugins/builtinhelpers/generateBuiltins.sh

@@ -3,10 +3,11 @@
 # Generate the Go code for the generator and
 # transformer factory functions in
 #
-#   sigs.k8s.io/kustomize/v3/plugin/builtin
+#   sigs.k8s.io/kustomize/api/plugins/builtins
 #
-# from the raw plugin directories found _below_
-# that directory.
+# from the raw plugin directories found under
+#
+#   sigs.k8s.io/kustomize/plugin/builtin
 
 set -e
 
@@ -27,15 +28,11 @@ if [ ! -d "$dir" ]; then
   exit 1
 fi
 
-echo Generating linkable plugins...
-
-pushd $dir >& /dev/null
-
-GOPATH=$myGoPath go generate \
-    sigs.k8s.io/kustomize/v3/plugin/builtin/...
-GOPATH=$myGoPath go fmt \
-    sigs.k8s.io/kustomize/v3/plugin/builtin
-
-popd >& /dev/null
+for goMod in $(find ./plugin/builtin -name 'go.mod'); do
+  dir=$(dirname "${goMod}")
+  (cd $dir; GOPATH=$myGoPath go generate ./...)
+  echo "Formatting $dir"
+  (cd $dir; GOPATH=$myGoPath go fmt ./...)
+done
 
 echo All done.

api/plugins/builtins/AnnotationsTransformer.go

@@ -0,0 +1,42 @@
+// Code generated by pluginator on AnnotationsTransformer; DO NOT EDIT.
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
+
+import (
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/transform"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/yaml"
+)
+
+// Add the given annotations to the given field specifications.
+type AnnotationsTransformerPlugin struct {
+	Annotations map[string]string `json:"annotations,omitempty" yaml:"annotations,omitempty"`
+	FieldSpecs  []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+}
+
+
+func (p *AnnotationsTransformerPlugin) Config(
+	h *resmap.PluginHelpers, c []byte) (err error) {
+	p.Annotations = nil
+	p.FieldSpecs = nil
+	return yaml.Unmarshal(c, p)
+}
+
+func (p *AnnotationsTransformerPlugin) Transform(m resmap.ResMap) error {
+	t, err := transform.NewMapTransformer(
+		p.FieldSpecs,
+		p.Annotations,
+	)
+	if err != nil {
+		return err
+	}
+	return t.Transform(m)
+}
+
+func NewAnnotationsTransformerPlugin() resmap.TransformerPlugin {
+  return &AnnotationsTransformerPlugin{}
+}

api/plugins/builtins/ConfigMapGenerator.go

@@ -1,28 +1,27 @@
 // Code generated by pluginator on ConfigMapGenerator; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/kv"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 type ConfigMapGeneratorPlugin struct {
-	ldr              ifc.Loader
-	rf               *resmap.Factory
+	h                *resmap.PluginHelpers
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	types.GeneratorOptions
 	types.ConfigMapArgs
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewConfigMapGeneratorPlugin() *ConfigMapGeneratorPlugin {
-	return &ConfigMapGeneratorPlugin{}
-}
 
 func (p *ConfigMapGeneratorPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, config []byte) (err error) {
+	h *resmap.PluginHelpers, config []byte) (err error) {
 	p.GeneratorOptions = types.GeneratorOptions{}
 	p.ConfigMapArgs = types.ConfigMapArgs{}
 	err = yaml.Unmarshal(config, p)
@@ -32,11 +31,16 @@ func (p *ConfigMapGeneratorPlugin) Config(
 	if p.ConfigMapArgs.Namespace == "" {
 		p.ConfigMapArgs.Namespace = p.Namespace
 	}
-	p.ldr = ldr
-	p.rf = rf
+	p.h = h
 	return
 }
 
 func (p *ConfigMapGeneratorPlugin) Generate() (resmap.ResMap, error) {
-	return p.rf.FromConfigMapArgs(p.ldr, &p.GeneratorOptions, p.ConfigMapArgs)
+	return p.h.ResmapFactory().FromConfigMapArgs(
+		kv.NewLoader(p.h.Loader(), p.h.Validator()),
+		&p.GeneratorOptions, p.ConfigMapArgs)
+}
+
+func NewConfigMapGeneratorPlugin() resmap.GeneratorPlugin {
+  return &ConfigMapGeneratorPlugin{}
 }

api/plugins/builtins/HashTransformer.go

@@ -1,25 +1,25 @@
 // Code generated by pluginator on HashTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
 
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/resmap"
 )
 
 type HashTransformerPlugin struct {
 	hasher ifc.KunstructuredHasher
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewHashTransformerPlugin() *HashTransformerPlugin {
-	return &HashTransformerPlugin{}
-}
 
 func (p *HashTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, config []byte) (err error) {
-	p.hasher = rf.RF().Hasher()
+	h *resmap.PluginHelpers, config []byte) (err error) {
+	p.hasher = h.ResmapFactory().RF().Hasher()
 	return nil
 }
 
@@ -36,3 +36,7 @@ func (p *HashTransformerPlugin) Transform(m resmap.ResMap) error {
 	}
 	return nil
 }
+
+func NewHashTransformerPlugin() resmap.TransformerPlugin {
+  return &HashTransformerPlugin{}
+}

api/plugins/builtins/ImageTagTransformer.go

@@ -1,34 +1,33 @@
 // Code generated by pluginator on ImageTagTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
 	"regexp"
 	"strings"
 
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/image"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
+	"sigs.k8s.io/kustomize/api/transform"
+	"sigs.k8s.io/kustomize/api/types"
+
+	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/yaml"
 )
 
 // Find matching image declarations and replace
 // the name, tag and/or digest.
 type ImageTagTransformerPlugin struct {
-	ImageTag   image.Image        `json:"imageTag,omitempty" yaml:"imageTag,omitempty"`
-	FieldSpecs []config.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+	ImageTag   types.Image       `json:"imageTag,omitempty" yaml:"imageTag,omitempty"`
+	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewImageTagTransformerPlugin() *ImageTagTransformerPlugin {
-	return &ImageTagTransformerPlugin{}
-}
 
 func (p *ImageTagTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
-	p.ImageTag = image.Image{}
+	h *resmap.PluginHelpers, c []byte) (err error) {
+	p.ImageTag = types.Image{}
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
 }
@@ -39,7 +38,7 @@ func (p *ImageTagTransformerPlugin) Transform(m resmap.ResMap) error {
 			if !r.OrgId().IsSelected(&path.Gvk) {
 				continue
 			}
-			err := transformers.MutateField(
+			err := transform.MutateField(
 				r.Map(), path.PathSlice(), false, p.mutateImage)
 			if err != nil {
 				return err
@@ -183,3 +182,7 @@ func split(imageName string) (name string, tag string) {
 	tag = imageName[i:]
 	return
 }
+
+func NewImageTagTransformerPlugin() resmap.TransformerPlugin {
+  return &ImageTagTransformerPlugin{}
+}

api/plugins/builtins/InventoryTransformer.go

@@ -1,36 +1,33 @@
 // Code generated by pluginator on InventoryTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
 
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
-
-	"sigs.k8s.io/kustomize/v3/pkg/hasher"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/inventory"
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/hasher"
+	"sigs.k8s.io/kustomize/api/inventory"
+	"sigs.k8s.io/kustomize/api/kv"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 type InventoryTransformerPlugin struct {
-	ldr              ifc.Loader
-	rf               *resmap.Factory
+	h                *resmap.PluginHelpers
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	Policy           string `json:"policy,omitempty" yaml:"policy,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewInventoryTransformerPlugin() *InventoryTransformerPlugin {
-	return &InventoryTransformerPlugin{}
-}
 
 func (p *InventoryTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
-	p.ldr = ldr
-	p.rf = rf
+	h *resmap.PluginHelpers, c []byte) (err error) {
+	p.h = h
 	err = yaml.Unmarshal(c, p)
 	if err != nil {
 		return err
@@ -79,7 +76,8 @@ func (p *InventoryTransformerPlugin) Transform(m resmap.ResMap) error {
 		return err
 	}
 
-	cm, err := p.rf.RF().MakeConfigMap(p.ldr, opts, &args)
+	cm, err := p.h.ResmapFactory().RF().MakeConfigMap(
+		kv.NewLoader(p.h.Loader(), p.h.Validator()), opts, &args)
 	if err != nil {
 		return err
 	}
@@ -127,3 +125,7 @@ func computeRefs(
 	}
 	return
 }
+
+func NewInventoryTransformerPlugin() resmap.TransformerPlugin {
+  return &InventoryTransformerPlugin{}
+}

api/plugins/builtins/LabelTransformer.go

@@ -0,0 +1,42 @@
+// Code generated by pluginator on LabelTransformer; DO NOT EDIT.
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
+
+import (
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/transform"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/yaml"
+)
+
+// Add the given labels to the given field specifications.
+type LabelTransformerPlugin struct {
+	Labels     map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
+	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+}
+
+
+func (p *LabelTransformerPlugin) Config(
+	h *resmap.PluginHelpers, c []byte) (err error) {
+	p.Labels = nil
+	p.FieldSpecs = nil
+	return yaml.Unmarshal(c, p)
+}
+
+func (p *LabelTransformerPlugin) Transform(m resmap.ResMap) error {
+	t, err := transform.NewMapTransformer(
+		p.FieldSpecs,
+		p.Labels,
+	)
+	if err != nil {
+		return err
+	}
+	return t.Transform(m)
+}
+
+func NewLabelTransformerPlugin() resmap.TransformerPlugin {
+  return &LabelTransformerPlugin{}
+}

api/plugins/builtins/LegacyOrderTransformer.go

@@ -1,12 +1,16 @@
 // Code generated by pluginator on LegacyOrderTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
-	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
 	"sort"
+
+	"github.com/pkg/errors"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
 )
 
 // Sort the resources using an ordering defined in the Gvk class.
@@ -16,14 +20,10 @@ import (
 // (like ValidatingWebhookConfiguration) last.
 type LegacyOrderTransformerPlugin struct{}
 
-//noinspection GoUnusedGlobalVariable
-func NewLegacyOrderTransformerPlugin() *LegacyOrderTransformerPlugin {
-	return &LegacyOrderTransformerPlugin{}
-}
 
 // Nothing needed for configuration.
 func (p *LegacyOrderTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
+	h *resmap.PluginHelpers, c []byte) (err error) {
 	return nil
 }
 
@@ -43,3 +43,7 @@ func (p *LegacyOrderTransformerPlugin) Transform(m resmap.ResMap) (err error) {
 	}
 	return nil
 }
+
+func NewLegacyOrderTransformerPlugin() resmap.TransformerPlugin {
+  return &LegacyOrderTransformerPlugin{}
+}

api/plugins/builtins/NamespaceTransformer.go

@@ -1,30 +1,31 @@
 // Code generated by pluginator on NamespaceTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"fmt"
+
+	"sigs.k8s.io/kustomize/api/transform"
+
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 // Change or set the namespace of non-cluster level resources.
 type NamespaceTransformerPlugin struct {
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
-	FieldSpecs       []config.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+	FieldSpecs       []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewNamespaceTransformerPlugin() *NamespaceTransformerPlugin {
-	return &NamespaceTransformerPlugin{}
-}
 
 func (p *NamespaceTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
+	h *resmap.PluginHelpers, c []byte) (err error) {
 	p.Namespace = ""
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -44,13 +45,18 @@ func (p *NamespaceTransformerPlugin) Transform(m resmap.ResMap) error {
 		applicableFs := p.applicableFieldSpecs(id)
 
 		for _, fs := range applicableFs {
-			err := transformers.MutateField(
+			err := transform.MutateField(
 				r.Map(), fs.PathSlice(), fs.CreateIfNotPresent,
 				p.changeNamespace(r))
 			if err != nil {
 				return err
 			}
 		}
+
+		matches := m.GetMatchingResourcesByCurrentId(r.CurId().Equals)
+		if len(matches) != 1 {
+			return fmt.Errorf("namespace tranformation produces ID conflict: %#v", matches)
+		}
 	}
 	return nil
 }
@@ -61,8 +67,8 @@ const metaNamespace = "metadata/namespace"
 // all objects have it, even "ClusterKind" objects
 // that don't exist in a namespace (the Namespace
 // object itself doesn't live in a namespace).
-func (p *NamespaceTransformerPlugin) applicableFieldSpecs(id resid.ResId) []config.FieldSpec {
-	res := []config.FieldSpec{}
+func (p *NamespaceTransformerPlugin) applicableFieldSpecs(id resid.ResId) []types.FieldSpec {
+	var res []types.FieldSpec
 	for _, fs := range p.FieldSpecs {
 		if id.IsSelected(&fs.Gvk) && (fs.Path != metaNamespace || (fs.Path == metaNamespace && id.IsNamespaceableKind())) {
 			res = append(res, fs)
@@ -71,14 +77,14 @@ func (p *NamespaceTransformerPlugin) applicableFieldSpecs(id resid.ResId) []conf
 	return res
 }
 
-func (o *NamespaceTransformerPlugin) changeNamespace(
+func (p *NamespaceTransformerPlugin) changeNamespace(
 	referrer *resource.Resource) func(in interface{}) (interface{}, error) {
 	return func(in interface{}) (interface{}, error) {
 		switch in.(type) {
 		case string:
 			// will happen when the metadata/namespace
 			// value is replaced
-			return o.Namespace, nil
+			return p.Namespace, nil
 		case []interface{}:
 			l, _ := in.([]interface{})
 			for idx, item := range l {
@@ -100,7 +106,7 @@ func (o *NamespaceTransformerPlugin) changeNamespace(
 					if name != "default" {
 						continue
 					}
-					inMap["namespace"] = o.Namespace
+					inMap["namespace"] = p.Namespace
 					l[idx] = inMap
 				default:
 					// nothing to do for right now
@@ -113,7 +119,7 @@ func (o *NamespaceTransformerPlugin) changeNamespace(
 			// object
 			inMap := in.(map[string]interface{})
 			if len(inMap) == 0 {
-				return o.Namespace, nil
+				return p.Namespace, nil
 			} else {
 				return in, nil
 			}
@@ -122,3 +128,7 @@ func (o *NamespaceTransformerPlugin) changeNamespace(
 		}
 	}
 }
+
+func NewNamespaceTransformerPlugin() resmap.TransformerPlugin {
+  return &NamespaceTransformerPlugin{}
+}

api/plugins/builtins/PatchJson6902Transformer.go

@@ -1,15 +1,19 @@
 // Code generated by pluginator on PatchJson6902Transformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
-	jsonpatch "github.com/evanphx/json-patch"
+
+	"github.com/evanphx/json-patch"
 	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
@@ -21,14 +25,10 @@ type PatchJson6902TransformerPlugin struct {
 	JsonOp       string            `json:"jsonOp,omitempty" yaml:"jsonOp,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewPatchJson6902TransformerPlugin() *PatchJson6902TransformerPlugin {
-	return &PatchJson6902TransformerPlugin{}
-}
 
 func (p *PatchJson6902TransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
-	p.ldr = ldr
+	h *resmap.PluginHelpers, c []byte) (err error) {
+	p.ldr = h.Loader()
 	err = yaml.Unmarshal(c, p)
 	if err != nil {
 		return err
@@ -74,7 +74,7 @@ func (p *PatchJson6902TransformerPlugin) Config(
 
 func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 	id := resid.NewResIdWithNamespace(
-		gvk.Gvk{
+		resid.Gvk{
 			Group:   p.Target.Group,
 			Version: p.Target.Version,
 			Kind:    p.Target.Kind,
@@ -97,3 +97,7 @@ func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 	}
 	return obj.UnmarshalJSON(modifiedObj)
 }
+
+func NewPatchJson6902TransformerPlugin() resmap.TransformerPlugin {
+  return &PatchJson6902TransformerPlugin{}
+}

api/plugins/builtins/PatchStrategicMergeTransformer.go

@@ -1,32 +1,30 @@
 // Code generated by pluginator on PatchStrategicMergeTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 type PatchStrategicMergeTransformerPlugin struct {
-	ldr           ifc.Loader
-	rf            *resmap.Factory
+	h             *resmap.PluginHelpers
 	loadedPatches []*resource.Resource
 	Paths         []types.PatchStrategicMerge `json:"paths,omitempty" yaml:"paths,omitempty"`
 	Patches       string                      `json:"patches,omitempty" yaml:"patches,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewPatchStrategicMergeTransformerPlugin() *PatchStrategicMergeTransformerPlugin {
-	return &PatchStrategicMergeTransformerPlugin{}
-}
 
 func (p *PatchStrategicMergeTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
-	p.ldr = ldr
-	p.rf = rf
+	h *resmap.PluginHelpers, c []byte) (err error) {
+	p.h = h
 	err = yaml.Unmarshal(c, p)
 	if err != nil {
 		return err
@@ -36,12 +34,13 @@ func (p *PatchStrategicMergeTransformerPlugin) Config(
 	}
 	if len(p.Paths) != 0 {
 		for _, onePath := range p.Paths {
-			res, err := p.rf.RF().SliceFromBytes([]byte(onePath))
+			res, err := p.h.ResmapFactory().RF().SliceFromBytes([]byte(onePath))
 			if err == nil {
 				p.loadedPatches = append(p.loadedPatches, res...)
 				continue
 			}
-			res, err = p.rf.RF().SliceFromPatches(ldr, []types.PatchStrategicMerge{onePath})
+			res, err = p.h.ResmapFactory().RF().SliceFromPatches(
+				p.h.Loader(), []types.PatchStrategicMerge{onePath})
 			if err != nil {
 				return err
 			}
@@ -49,7 +48,7 @@ func (p *PatchStrategicMergeTransformerPlugin) Config(
 		}
 	}
 	if p.Patches != "" {
-		res, err := p.rf.RF().SliceFromBytes([]byte(p.Patches))
+		res, err := p.h.ResmapFactory().RF().SliceFromBytes([]byte(p.Patches))
 		if err != nil {
 			return err
 		}
@@ -64,7 +63,7 @@ func (p *PatchStrategicMergeTransformerPlugin) Config(
 }
 
 func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error {
-	patches, err := p.rf.MergePatches(p.loadedPatches)
+	patches, err := p.h.ResmapFactory().MergePatches(p.loadedPatches)
 	if err != nil {
 		return err
 	}
@@ -88,3 +87,7 @@ func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error
 	}
 	return nil
 }
+
+func NewPatchStrategicMergeTransformerPlugin() resmap.TransformerPlugin {
+  return &PatchStrategicMergeTransformerPlugin{}
+}

api/plugins/builtins/PatchTransformer.go

@@ -1,36 +1,32 @@
 // Code generated by pluginator on PatchTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
+
 	"github.com/evanphx/json-patch"
 	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/resource"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 type PatchTransformerPlugin struct {
-	ldr          ifc.Loader
-	rf           *resmap.Factory
 	loadedPatch  *resource.Resource
 	decodedPatch jsonpatch.Patch
 	Path         string          `json:"path,omitempty" yaml:"path,omitempty"`
 	Patch        string          `json:"patch,omitempty" yaml:"patch,omitempty"`
-	Target       *types.Selector `json:"target,omitempty", yaml:"target,omitempty"`
+	Target       *types.Selector `json:"target,omitempty" yaml:"target,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewPatchTransformerPlugin() *PatchTransformerPlugin {
-	return &PatchTransformerPlugin{}
-}
 
 func (p *PatchTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
-	p.ldr = ldr
-	p.rf = rf
+	h *resmap.PluginHelpers, c []byte) (err error) {
 	err = yaml.Unmarshal(c, p)
 	if err != nil {
 		return err
@@ -47,7 +43,7 @@ func (p *PatchTransformerPlugin) Config(
 	}
 	var in []byte
 	if p.Path != "" {
-		in, err = ldr.Load(p.Path)
+		in, err = h.Loader().Load(p.Path)
 		if err != nil {
 			return
 		}
@@ -56,7 +52,7 @@ func (p *PatchTransformerPlugin) Config(
 		in = []byte(p.Patch)
 	}
 
-	patchSM, errSM := p.rf.RF().FromBytes(in)
+	patchSM, errSM := h.ResmapFactory().RF().FromBytes(in)
 	patchJson, errJson := jsonPatchFromBytes(in)
 	if errSM != nil && errJson != nil {
 		err = fmt.Errorf(
@@ -98,9 +94,9 @@ func (p *PatchTransformerPlugin) Transform(m resmap.ResMap) error {
 	if err != nil {
 		return err
 	}
-	for _, resource := range resources {
+	for _, res := range resources {
 		if p.decodedPatch != nil {
-			rawObj, err := resource.MarshalJSON()
+			rawObj, err := res.MarshalJSON()
 			if err != nil {
 				return err
 			}
@@ -109,17 +105,17 @@ func (p *PatchTransformerPlugin) Transform(m resmap.ResMap) error {
 				return errors.Wrapf(
 					err, "failed to apply json patch '%s'", p.Patch)
 			}
-			err = resource.UnmarshalJSON(modifiedObj)
+			err = res.UnmarshalJSON(modifiedObj)
 			if err != nil {
 				return err
 			}
 		}
 		if p.loadedPatch != nil {
 			patchCopy := p.loadedPatch.DeepCopy()
-			patchCopy.SetName(resource.GetName())
-			patchCopy.SetNamespace(resource.GetNamespace())
-			patchCopy.SetGvk(resource.GetGvk())
-			err = resource.Patch(patchCopy.Kunstructured)
+			patchCopy.SetName(res.GetName())
+			patchCopy.SetNamespace(res.GetNamespace())
+			patchCopy.SetGvk(res.GetGvk())
+			err = res.Patch(patchCopy.Kunstructured)
 			if err != nil {
 				return err
 			}
@@ -146,3 +142,7 @@ func jsonPatchFromBytes(
 	}
 	return jsonpatch.DecodePatch([]byte(ops))
 }
+
+func NewPatchTransformerPlugin() resmap.TransformerPlugin {
+  return &PatchTransformerPlugin{}
+}

api/plugins/builtins/PrefixSuffixTransformer.go

@@ -1,40 +1,42 @@
 // Code generated by pluginator on PrefixSuffixTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"errors"
 	"fmt"
 
-	"sigs.k8s.io/kustomize/v3/pkg/gvk"
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
+	"sigs.k8s.io/kustomize/api/transform"
+	"sigs.k8s.io/kustomize/api/types"
+
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/yaml"
 )
 
 // Add the given prefix and suffix to the field.
 type PrefixSuffixTransformerPlugin struct {
-	Prefix     string             `json:"prefix,omitempty" yaml:"prefix,omitempty"`
-	Suffix     string             `json:"suffix,omitempty" yaml:"suffix,omitempty"`
-	FieldSpecs []config.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+	Prefix     string            `json:"prefix,omitempty" yaml:"prefix,omitempty"`
+	Suffix     string            `json:"suffix,omitempty" yaml:"suffix,omitempty"`
+	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewPrefixSuffixTransformerPlugin() *PrefixSuffixTransformerPlugin {
-	return &PrefixSuffixTransformerPlugin{}
-}
 
 // Not placed in a file yet due to lack of demand.
-var prefixSuffixFieldSpecsToSkip = []config.FieldSpec{
+var prefixSuffixFieldSpecsToSkip = []types.FieldSpec{
 	{
-		Gvk: gvk.Gvk{Kind: "CustomResourceDefinition"},
+		Gvk: resid.Gvk{Kind: "CustomResourceDefinition"},
+	},
+	{
+		Gvk: resid.Gvk{Group: "apiregistration.k8s.io", Kind: "APIService"},
 	},
 }
 
 func (p *PrefixSuffixTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
+	h *resmap.PluginHelpers, c []byte) (err error) {
 	p.Prefix = ""
 	p.Suffix = ""
 	p.FieldSpecs = nil
@@ -83,7 +85,7 @@ func (p *PrefixSuffixTransformerPlugin) Transform(m resmap.ResMap) error {
 			// the addPrefixSuffix method will not
 			// change the name if both the prefix and suffix
 			// are empty.
-			err := transformers.MutateField(
+			err := transform.MutateField(
 				r.Map(),
 				path.PathSlice(),
 				path.CreateIfNotPresent,
@@ -96,7 +98,7 @@ func (p *PrefixSuffixTransformerPlugin) Transform(m resmap.ResMap) error {
 	return nil
 }
 
-func smellsLikeANameChange(fs *config.FieldSpec) bool {
+func smellsLikeANameChange(fs *types.FieldSpec) bool {
 	return fs.Path == "metadata/name"
 }
 
@@ -118,3 +120,7 @@ func (p *PrefixSuffixTransformerPlugin) addPrefixSuffix(
 	}
 	return fmt.Sprintf("%s%s%s", p.Prefix, s, p.Suffix), nil
 }
+
+func NewPrefixSuffixTransformerPlugin() resmap.TransformerPlugin {
+  return &PrefixSuffixTransformerPlugin{}
+}

api/plugins/builtins/ReplicaCountTransformer.go

@@ -1,32 +1,31 @@
 // Code generated by pluginator on ReplicaCountTransformer; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
 	"fmt"
 
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resid"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers"
-	"sigs.k8s.io/kustomize/v3/pkg/transformers/config"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/transform"
+
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 // Find matching replicas declarations and replace the count.
 // Eases the kustomization configuration of replica changes.
 type ReplicaCountTransformerPlugin struct {
-	Replica    types.Replica      `json:"replica,omitempty" yaml:"replica,omitempty"`
-	FieldSpecs []config.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+	Replica    types.Replica     `json:"replica,omitempty" yaml:"replica,omitempty"`
+	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewReplicaCountTransformerPlugin() *ReplicaCountTransformerPlugin {
-	return &ReplicaCountTransformerPlugin{}
-}
 
 func (p *ReplicaCountTransformerPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, c []byte) (err error) {
+	h *resmap.PluginHelpers, c []byte) (err error) {
 
 	p.Replica = types.Replica{}
 	p.FieldSpecs = nil
@@ -34,7 +33,6 @@ func (p *ReplicaCountTransformerPlugin) Config(
 }
 
 func (p *ReplicaCountTransformerPlugin) Transform(m resmap.ResMap) error {
-
 	found := false
 	for i, replicaSpec := range p.FieldSpecs {
 		matcher := p.createMatcher(i)
@@ -43,7 +41,7 @@ func (p *ReplicaCountTransformerPlugin) Transform(m resmap.ResMap) error {
 
 		for _, res := range append(matchOriginal, matchCurrent...) {
 			found = true
-			err := transformers.MutateField(
+			err := transform.MutateField(
 				res.Map(), replicaSpec.PathSlice(),
 				replicaSpec.CreateIfNotPresent, p.addReplicas)
 			if err != nil {
@@ -57,7 +55,7 @@ func (p *ReplicaCountTransformerPlugin) Transform(m resmap.ResMap) error {
 		for i, replicaSpec := range p.FieldSpecs {
 			gvks[i] = replicaSpec.Gvk.String()
 		}
-		return fmt.Errorf("Resource with name %s does not match a config with the following GVK %v",
+		return fmt.Errorf("resource with name %s does not match a config with the following GVK %v",
 			p.Replica.Name, gvks)
 	}
 
@@ -88,3 +86,7 @@ func (p *ReplicaCountTransformerPlugin) addReplicas(in interface{}) (interface{}
 	}
 	return p.Replica.Count, nil
 }
+
+func NewReplicaCountTransformerPlugin() resmap.TransformerPlugin {
+  return &ReplicaCountTransformerPlugin{}
+}

api/plugins/builtins/SecretGenerator.go

@@ -1,28 +1,26 @@
 // Code generated by pluginator on SecretGenerator; DO NOT EDIT.
-package builtin
+// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
+
+
+
+package builtins
 
 import (
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
-	"sigs.k8s.io/kustomize/v3/pkg/resmap"
-	"sigs.k8s.io/kustomize/v3/pkg/types"
+	"sigs.k8s.io/kustomize/api/kv"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 type SecretGeneratorPlugin struct {
-	ldr              ifc.Loader
-	rf               *resmap.Factory
+	h                *resmap.PluginHelpers
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	types.GeneratorOptions
 	types.SecretArgs
 }
 
-//noinspection GoUnusedGlobalVariable
-func NewSecretGeneratorPlugin() *SecretGeneratorPlugin {
-	return &SecretGeneratorPlugin{}
-}
 
-func (p *SecretGeneratorPlugin) Config(
-	ldr ifc.Loader, rf *resmap.Factory, config []byte) (err error) {
+func (p *SecretGeneratorPlugin) Config(h *resmap.PluginHelpers, config []byte) (err error) {
 	p.GeneratorOptions = types.GeneratorOptions{}
 	p.SecretArgs = types.SecretArgs{}
 	err = yaml.Unmarshal(config, p)
@@ -32,11 +30,16 @@ func (p *SecretGeneratorPlugin) Config(
 	if p.SecretArgs.Namespace == "" {
 		p.SecretArgs.Namespace = p.Namespace
 	}
-	p.ldr = ldr
-	p.rf = rf
+	p.h = h
 	return
 }
 
 func (p *SecretGeneratorPlugin) Generate() (resmap.ResMap, error) {
-	return p.rf.FromSecretArgs(p.ldr, &p.GeneratorOptions, p.SecretArgs)
+	return p.h.ResmapFactory().FromSecretArgs(
+		kv.NewLoader(p.h.Loader(), p.h.Validator()),
+		&p.GeneratorOptions, p.SecretArgs)
+}
+
+func NewSecretGeneratorPlugin() resmap.GeneratorPlugin {
+  return &SecretGeneratorPlugin{}
 }