Merge pull request #2455 from monopole/add6902

Introduce ValueAddTransformer.

.github/workflows/go.yml

@@ -0,0 +1,28 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Build
+      run: ./travis/kyaml-pre-commit.sh
+      env:
+        KUSTOMIZE_DOCKER_E2E: true

Makefile

@@ -116,7 +116,6 @@ _builtinplugins = \
 	ConfigMapGenerator.go \
 	HashTransformer.go \
 	ImageTagTransformer.go \
-	InventoryTransformer.go \
 	LabelTransformer.go \
 	LegacyOrderTransformer.go \
 	NamespaceTransformer.go \
@@ -125,7 +124,8 @@ _builtinplugins = \
 	PatchTransformer.go \
 	PrefixSuffixTransformer.go \
 	ReplicaCountTransformer.go \
-	SecretGenerator.go
+	SecretGenerator.go \
+	ValueAddTransformer.go
 
 # Maintaining this explicit list of generated files, and
 # adding it as a dependency to a few targets, to assure
@@ -141,7 +141,6 @@ $(pGen)/AnnotationsTransformer.go: $(pSrc)/annotationstransformer/AnnotationsTra
 $(pGen)/ConfigMapGenerator.go: $(pSrc)/configmapgenerator/ConfigMapGenerator.go
 $(pGen)/HashTransformer.go: $(pSrc)/hashtransformer/HashTransformer.go
 $(pGen)/ImageTagTransformer.go: $(pSrc)/imagetagtransformer/ImageTagTransformer.go
-$(pGen)/InventoryTransformer.go: $(pSrc)/inventorytransformer/InventoryTransformer.go
 $(pGen)/LabelTransformer.go: $(pSrc)/labeltransformer/LabelTransformer.go
 $(pGen)/LegacyOrderTransformer.go: $(pSrc)/legacyordertransformer/LegacyOrderTransformer.go
 $(pGen)/NamespaceTransformer.go: $(pSrc)/namespacetransformer/NamespaceTransformer.go
@@ -151,6 +150,7 @@ $(pGen)/PatchTransformer.go: $(pSrc)/patchtransformer/PatchTransformer.go
 $(pGen)/PrefixSuffixTransformer.go: $(pSrc)/prefixsuffixtransformer/PrefixSuffixTransformer.go
 $(pGen)/ReplicaCountTransformer.go: $(pSrc)/replicacounttransformer/ReplicaCountTransformer.go
 $(pGen)/SecretGenerator.go: $(pSrc)/secretgenerator/SecretGenerator.go
+$(pGen)/ValueAddTransformer.go: $(pSrc)/valueaddtransformer/ValueAddTransformer.go
 
 # The (verbose but portable) Makefile way to convert to lowercase.
 toLowerCase = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
@@ -188,8 +188,14 @@ lint-kustomize: install-tools $(builtinplugins)
 	cd pluginator; \
 	$(MYGOBIN)/golangci-lint-kustomize -c ../.golangci-kustomize.yml run ./...
 
+# Used to add non-default compilation flags when experimenting with
+# plugin-to-api compatibility checks.
+.PHONY: build-kustomize-api
+build-kustomize-api: $(builtinplugins)
+	cd api; go build ./...
+
 .PHONY: test-unit-kustomize-api
-test-unit-kustomize-api: $(builtinplugins)
+test-unit-kustomize-api: build-kustomize-api
 	cd api; go test ./...
 
 .PHONY: test-unit-kustomize-plugins
@@ -212,10 +218,6 @@ test-unit-cmd-all:
 test-go-mod:
 	./travis/check-go-mod.sh
 
-.PHONY:
-test-examples-kustomize-against-HEAD: $(MYGOBIN)/kustomize $(MYGOBIN)/mdrip
-	./hack/testExamplesAgainstKustomize.sh HEAD
-
 .PHONY:
 test-examples-e2e-kustomize: $(MYGOBIN)/mdrip $(MYGOBIN)/kind
 	( \
@@ -226,13 +228,17 @@ test-examples-e2e-kustomize: $(MYGOBIN)/mdrip $(MYGOBIN)/kind
 		./hack/testExamplesE2EAgainstKustomize.sh .; \
 	)
 
+.PHONY:
+test-examples-kustomize-against-HEAD: $(MYGOBIN)/kustomize $(MYGOBIN)/mdrip
+	./hack/testExamplesAgainstKustomize.sh HEAD
+
 .PHONY:
 test-examples-kustomize-against-latest: $(MYGOBIN)/mdrip
 	( \
 		set -e; \
 		/bin/rm -f $(MYGOBIN)/kustomize; \
 		echo "Installing kustomize from latest."; \
-		GO111MODULE=on go install sigs.k8s.io/kustomize/kustomize/v3; \
+		GO111MODULE=on go get sigs.k8s.io/kustomize/kustomize/v3@v3.5.4; \
 		./hack/testExamplesAgainstKustomize.sh latest; \
 		echo "Reinstalling kustomize from HEAD."; \
 		cd kustomize; go install .; \
@@ -255,21 +261,38 @@ $(MYGOBIN)/kubeval:
 	)
 
 # linux only.
-# This is for testing an example plugin that
-# uses helm to inflate a chart for subsequent kustomization.
-# Don't want to add a hard dependence in go.mod file
-# to helm.
-# Instead, download the binary.
-$(MYGOBIN)/helm:
+# This is for testing an example plugin that uses helm to inflate a chart
+# for subsequent kustomization.
+# Don't want to add a hard dependence in go.mod file to helm.
+# Instead, download the binaries.
+$(MYGOBIN)/helmV2:
 	( \
 		set -e; \
 		d=$(shell mktemp -d); cd $$d; \
-		wget https://storage.googleapis.com/kubernetes-helm/helm-v2.13.1-linux-amd64.tar.gz; \
-		tar -xvzf helm-v2.13.1-linux-amd64.tar.gz; \
-		mv linux-amd64/helm $(MYGOBIN); \
+		tgzFile=helm-v2.13.1-linux-amd64.tar.gz; \
+		wget https://storage.googleapis.com/kubernetes-helm/$$tgzFile; \
+		tar -xvzf $$tgzFile; \
+		mv linux-amd64/helm $(MYGOBIN)/helmV2; \
 		rm -rf $$d \
 	)
 
+# Helm V3 differs from helm V2; downloading it to provide coverage for the
+# chart inflator plugin under helm v3.
+$(MYGOBIN)/helmV3:
+	( \
+		set -e; \
+		d=$(shell mktemp -d); cd $$d; \
+		tgzFile=helm-v3.2.0-rc.1-linux-amd64.tar.gz; \
+		wget https://get.helm.sh/$$tgzFile; \
+		tar -xvzf $$tgzFile; \
+		mv linux-amd64/helm $(MYGOBIN)/helmV3; \
+		rm -rf $$d \
+	)
+
+# Default version of helm is v2 for the time being.
+$(MYGOBIN)/helm: $(MYGOBIN)/helmV2
+	ln -s $(MYGOBIN)/helmV2 $(MYGOBIN)/helm
+
 $(MYGOBIN)/kind:
 	( \
         set -e; \
@@ -288,6 +311,7 @@ clean: kustomize-external-go-plugin-clean
 	rm -f $(MYGOBIN)/kustomize
 	rm -f $(MYGOBIN)/golangci-lint-kustomize
 
+# Nuke the site from orbit.  It's the only way to be sure.
 .PHONY: nuke
 nuke: clean
-	sudo rm -rf $(shell go env GOPATH)/pkg/mod/sigs.k8s.io
+	go clean --modcache

OWNERS_ALIASES

@@ -9,3 +9,4 @@ aliases:
     - mengqiy
     - monopole
     - pwittrock
+    - mortent

README.md

@@ -12,8 +12,7 @@ and it's like [`sed`], in that it emits edited text.
 This tool is sponsored by [sig-cli] ([KEP]), and
 inspired by [DAM].
 
-
-[![Build Status](https://travis-ci.org/kubernetes-sigs/kustomize.svg?branch=master)](https://travis-ci.org/kubernetes-sigs/kustomize)
+[![Build Status](https://prow.k8s.io/badge.svg?jobs=kustomize-presubmit-master)](https://prow.k8s.io/job-history/kubernetes-jenkins/pr-logs/directory/kustomize-presubmit-master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/kubernetes-sigs/kustomize)](https://goreportcard.com/report/github.com/kubernetes-sigs/kustomize)
 
 Download a binary from the [release page], or see

api/builtins/AnnotationsTransformer.go

@@ -4,9 +4,10 @@
 package builtins
 
 import (
+	"sigs.k8s.io/kustomize/api/filters/annotations"
 	"sigs.k8s.io/kustomize/api/resmap"
-	"sigs.k8s.io/kustomize/api/transform"
 	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -24,14 +25,16 @@ func (p *AnnotationsTransformerPlugin) Config(
 }
 
 func (p *AnnotationsTransformerPlugin) Transform(m resmap.ResMap) error {
-	t, err := transform.NewMapTransformer(
-		p.FieldSpecs,
-		p.Annotations,
-	)
-	if err != nil {
-		return err
+	for _, r := range m.Resources() {
+		err := filtersutil.ApplyToJSON(annotations.Filter{
+			Annotations: p.Annotations,
+			FsSlice:     p.FieldSpecs,
+		}, r.Kunstructured)
+		if err != nil {
+			return err
+		}
 	}
-	return t.Transform(m)
+	return nil
 }
 
 func NewAnnotationsTransformerPlugin() resmap.TransformerPlugin {

api/builtins/ConfigMapGenerator.go

@@ -13,13 +13,10 @@ import (
 type ConfigMapGeneratorPlugin struct {
 	h                *resmap.PluginHelpers
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
-	types.GeneratorOptions
 	types.ConfigMapArgs
 }
 
-func (p *ConfigMapGeneratorPlugin) Config(
-	h *resmap.PluginHelpers, config []byte) (err error) {
-	p.GeneratorOptions = types.GeneratorOptions{}
+func (p *ConfigMapGeneratorPlugin) Config(h *resmap.PluginHelpers, config []byte) (err error) {
 	p.ConfigMapArgs = types.ConfigMapArgs{}
 	err = yaml.Unmarshal(config, p)
 	if p.ConfigMapArgs.Name == "" {
@@ -34,8 +31,7 @@ func (p *ConfigMapGeneratorPlugin) Config(
 
 func (p *ConfigMapGeneratorPlugin) Generate() (resmap.ResMap, error) {
 	return p.h.ResmapFactory().FromConfigMapArgs(
-		kv.NewLoader(p.h.Loader(), p.h.Validator()),
-		&p.GeneratorOptions, p.ConfigMapArgs)
+		kv.NewLoader(p.h.Loader(), p.h.Validator()), p.ConfigMapArgs)
 }
 
 func NewConfigMapGeneratorPlugin() resmap.GeneratorPlugin {

api/builtins/InventoryTransformer.go

@@ -1,128 +0,0 @@
-// Code generated by pluginator on InventoryTransformer; DO NOT EDIT.
-// pluginator {unknown  1970-01-01T00:00:00Z  }
-
-package builtins
-
-import (
-	"fmt"
-
-	"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 {
-	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"`
-}
-
-func (p *InventoryTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
-	p.h = h
-	err = yaml.Unmarshal(c, p)
-	if err != nil {
-		return err
-	}
-	if p.Policy == "" {
-		p.Policy = types.GarbageIgnore.String()
-	}
-	if p.Policy != types.GarbageCollect.String() &&
-		p.Policy != types.GarbageIgnore.String() {
-		return fmt.Errorf(
-			"unrecognized garbagePolicy '%s'", p.Policy)
-	}
-	return nil
-}
-
-// Transform generates an inventory object from the input ResMap.
-// This ConfigMap supports the pruning command in
-// the client side tool proposed here:
-// https://github.com/kubernetes/enhancements/pull/810
-//
-// The inventory data is written to the ConfigMap's
-// annotations, rather than to the key-value pairs in
-// the ConfigMap's data field, since
-//   1. Keys in a ConfigMap's data field are too
-//      constrained for this purpose.
-//   2. Using annotations allow any object to be used,
-//      not just a ConfigMap, should some other object
-//      (e.g. some App object) become more desirable
-//      for this purpose.
-func (p *InventoryTransformerPlugin) Transform(m resmap.ResMap) error {
-
-	inv, h, err := makeInventory(m)
-	if err != nil {
-		return err
-	}
-
-	args := types.ConfigMapArgs{}
-	args.Name = p.Name
-	args.Namespace = p.Namespace
-	opts := &types.GeneratorOptions{
-		Annotations: make(map[string]string),
-	}
-	opts.Annotations[inventory.HashAnnotation] = h
-	err = inv.UpdateAnnotations(opts.Annotations)
-	if err != nil {
-		return err
-	}
-
-	cm, err := p.h.ResmapFactory().RF().MakeConfigMap(
-		kv.NewLoader(p.h.Loader(), p.h.Validator()), opts, &args)
-	if err != nil {
-		return err
-	}
-
-	if p.Policy == types.GarbageCollect.String() {
-		for _, byeBye := range m.AllIds() {
-			m.Remove(byeBye)
-		}
-	}
-	return m.Append(cm)
-}
-
-func makeInventory(m resmap.ResMap) (
-	inv *inventory.Inventory, hash string, err error) {
-	inv = inventory.NewInventory()
-	var keys []string
-	for _, r := range m.Resources() {
-		ns := r.GetNamespace()
-		item := resid.NewResIdWithNamespace(r.GetGvk(), r.GetName(), ns)
-		if _, ok := inv.Current[item]; ok {
-			return nil, "", fmt.Errorf(
-				"item '%v' already in inventory", item)
-		}
-		inv.Current[item], err = computeRefs(r, m)
-		if err != nil {
-			return nil, "", err
-		}
-		keys = append(keys, item.String())
-	}
-	h, err := hasher.SortArrayAndComputeHash(keys)
-	return inv, h, err
-}
-
-func computeRefs(
-	r *resource.Resource, m resmap.ResMap) (refs []resid.ResId, err error) {
-	for _, refid := range r.GetRefBy() {
-		ref, err := m.GetByCurrentId(refid)
-		if err != nil {
-			return nil, err
-		}
-		refs = append(
-			refs,
-			resid.NewResIdWithNamespace(
-				ref.GetGvk(), ref.GetName(), ref.GetNamespace()))
-	}
-	return
-}
-
-func NewInventoryTransformerPlugin() resmap.TransformerPlugin {
-	return &InventoryTransformerPlugin{}
-}

api/builtins/LabelTransformer.go

@@ -4,9 +4,10 @@
 package builtins
 
 import (
+	"sigs.k8s.io/kustomize/api/filters/labels"
 	"sigs.k8s.io/kustomize/api/resmap"
-	"sigs.k8s.io/kustomize/api/transform"
 	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -24,14 +25,16 @@ func (p *LabelTransformerPlugin) Config(
 }
 
 func (p *LabelTransformerPlugin) Transform(m resmap.ResMap) error {
-	t, err := transform.NewMapTransformer(
-		p.FieldSpecs,
-		p.Labels,
-	)
-	if err != nil {
-		return err
+	for _, r := range m.Resources() {
+		err := filtersutil.ApplyToJSON(labels.Filter{
+			Labels:  p.Labels,
+			FsSlice: p.FieldSpecs,
+		}, r.Kunstructured)
+		if err != nil {
+			return err
+		}
 	}
-	return t.Transform(m)
+	return nil
 }
 
 func NewLabelTransformerPlugin() resmap.TransformerPlugin {

api/builtins/NamespaceTransformer.go

@@ -6,12 +6,13 @@ package builtins
 import (
 	"fmt"
 
-	"sigs.k8s.io/kustomize/api/transform"
-
+	"sigs.k8s.io/kustomize/api/filters/namespace"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/transform"
 	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -19,6 +20,11 @@ import (
 type NamespaceTransformerPlugin struct {
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	FieldSpecs       []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+
+	// YAMLSupport can be set to true to use the kyaml filter instead of the
+	// kunstruct transformer.
+	// TODO: change the default to use kyaml when it is stable
+	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *NamespaceTransformerPlugin) Config(
@@ -39,27 +45,38 @@ func (p *NamespaceTransformerPlugin) Transform(m resmap.ResMap) error {
 		}
 
 		id := r.OrgId()
-		applicableFs := p.applicableFieldSpecs(id)
 
-		for _, fs := range applicableFs {
-			err := transform.MutateField(
-				r.Map(), fs.PathSlice(), fs.CreateIfNotPresent,
-				p.changeNamespace(r))
+		if p.YAMLSupport {
+			// use the new style transform
+			err := filtersutil.ApplyToJSON(namespace.Filter{
+				Namespace: p.Namespace,
+				FsSlice:   p.FieldSpecs,
+			}, r.Kunstructured)
 			if err != nil {
 				return err
 			}
+		} else {
+			// use the old style transform
+			applicableFs := p.applicableFieldSpecs(id)
+			for _, fs := range applicableFs {
+				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 transformation produces ID conflict: %+v", matches)
+			return fmt.Errorf(
+				"namespace transformation produces ID conflict: %+v", matches)
 		}
 	}
 	return nil
 }
 
-const metaNamespace = "metadata/namespace"
-
 // Special casing metadata.namespace since
 // all objects have it, even "ClusterKind" objects
 // that don't exist in a namespace (the Namespace
@@ -67,7 +84,9 @@ const metaNamespace = "metadata/namespace"
 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())) {
+		if id.IsSelected(&fs.Gvk) &&
+			(fs.Path != types.MetadataNamespacePath ||
+				(fs.Path == types.MetadataNamespacePath && id.IsNamespaceableKind())) {
 			res = append(res, fs)
 		}
 	}

api/builtins/PatchJson6902Transformer.go

@@ -8,10 +8,12 @@ import (
 
 	jsonpatch "github.com/evanphx/json-patch"
 	"github.com/pkg/errors"
+	"sigs.k8s.io/kustomize/api/filters/patchjson6902"
 	"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/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -21,6 +23,8 @@ type PatchJson6902TransformerPlugin struct {
 	Target       types.PatchTarget `json:"target,omitempty" yaml:"target,omitempty"`
 	Path         string            `json:"path,omitempty" yaml:"path,omitempty"`
 	JsonOp       string            `json:"jsonOp,omitempty" yaml:"jsonOp,omitempty"`
+
+	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *PatchJson6902TransformerPlugin) Config(
@@ -83,16 +87,22 @@ func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 	if err != nil {
 		return err
 	}
-	rawObj, err := obj.MarshalJSON()
-	if err != nil {
-		return err
+	if !p.YAMLSupport {
+		rawObj, err := obj.MarshalJSON()
+		if err != nil {
+			return err
+		}
+		modifiedObj, err := p.decodedPatch.Apply(rawObj)
+		if err != nil {
+			return errors.Wrapf(
+				err, "failed to apply json patch '%s'", p.JsonOp)
+		}
+		return obj.UnmarshalJSON(modifiedObj)
+	} else {
+		return filtersutil.ApplyToJSON(patchjson6902.Filter{
+			Patch: p.JsonOp,
+		}, obj.Kunstructured)
 	}
-	modifiedObj, err := p.decodedPatch.Apply(rawObj)
-	if err != nil {
-		return errors.Wrapf(
-			err, "failed to apply json patch '%s'", p.JsonOp)
-	}
-	return obj.UnmarshalJSON(modifiedObj)
 }
 
 func NewPatchJson6902TransformerPlugin() resmap.TransformerPlugin {

api/builtins/PatchStrategicMergeTransformer.go

@@ -4,11 +4,16 @@
 package builtins
 
 import (
+	"encoding/json"
 	"fmt"
 
+	kyaml "sigs.k8s.io/kustomize/kyaml/yaml"
+
+	"sigs.k8s.io/kustomize/api/filters/patchstrategicmerge"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -17,6 +22,8 @@ type PatchStrategicMergeTransformerPlugin struct {
 	loadedPatches []*resource.Resource
 	Paths         []types.PatchStrategicMerge `json:"paths,omitempty" yaml:"paths,omitempty"`
 	Patches       string                      `json:"patches,omitempty" yaml:"patches,omitempty"`
+
+	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *PatchStrategicMergeTransformerPlugin) Config(
@@ -69,22 +76,42 @@ func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error
 		if err != nil {
 			return err
 		}
-		err = target.Patch(patch.Kunstructured)
-		if err != nil {
-			return err
-		}
-		// remove the resource from resmap
-		// when the patch is to $patch: delete that target
-		if len(target.Map()) == 0 {
-			err = m.Remove(target.CurId())
+		if !p.YAMLSupport {
+			err = target.Patch(patch.Kunstructured)
 			if err != nil {
 				return err
 			}
+			// remove the resource from resmap
+			// when the patch is to $patch: delete that target
+			if len(target.Map()) == 0 {
+				err = m.Remove(target.CurId())
+				if err != nil {
+					return err
+				}
+			}
+		} else {
+			node, err := getRNode(patch)
+			if err != nil {
+				return err
+			}
+			err = filtersutil.ApplyToJSON(patchstrategicmerge.Filter{
+				Patch: node,
+			}, target.Kunstructured)
 		}
 	}
 	return nil
 }
 
+//TODO: Remove this once the next version of kyaml is released which
+// exposes GetRNode from the filutersutil package.
+func getRNode(k json.Marshaler) (*kyaml.RNode, error) {
+	j, err := k.MarshalJSON()
+	if err != nil {
+		return nil, err
+	}
+	return kyaml.Parse(string(j))
+}
+
 func NewPatchStrategicMergeTransformerPlugin() resmap.TransformerPlugin {
 	return &PatchStrategicMergeTransformerPlugin{}
 }

api/builtins/PatchTransformer.go

@@ -5,12 +5,16 @@ package builtins
 
 import (
 	"fmt"
+	"strings"
 
 	jsonpatch "github.com/evanphx/json-patch"
 	"github.com/pkg/errors"
+	"sigs.k8s.io/kustomize/api/filters/patchjson6902"
+	"sigs.k8s.io/kustomize/api/filters/patchstrategicmerge"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -20,69 +24,112 @@ type PatchTransformerPlugin struct {
 	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"`
+
+	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *PatchTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
-	err = yaml.Unmarshal(c, p)
+	h *resmap.PluginHelpers, c []byte) error {
+	err := yaml.Unmarshal(c, p)
 	if err != nil {
 		return err
 	}
+	p.Patch = strings.TrimSpace(p.Patch)
 	if p.Patch == "" && p.Path == "" {
-		err = fmt.Errorf(
+		return fmt.Errorf(
 			"must specify one of patch and path in\n%s", string(c))
-		return
 	}
 	if p.Patch != "" && p.Path != "" {
-		err = fmt.Errorf(
+		return fmt.Errorf(
 			"patch and path can't be set at the same time\n%s", string(c))
-		return
-	}
-	var in []byte
-	if p.Path != "" {
-		in, err = h.Loader().Load(p.Path)
-		if err != nil {
-			return
-		}
-	}
-	if p.Patch != "" {
-		in = []byte(p.Patch)
 	}
 
-	patchSM, errSM := h.ResmapFactory().RF().FromBytes(in)
-	patchJson, errJson := jsonPatchFromBytes(in)
+	if p.Path != "" {
+		loaded, loadErr := h.Loader().Load(p.Path)
+		if loadErr != nil {
+			return loadErr
+		}
+		p.Patch = string(loaded)
+	}
+
+	patchSM, errSM := h.ResmapFactory().RF().FromBytes([]byte(p.Patch))
+	patchJson, errJson := jsonPatchFromBytes([]byte(p.Patch))
+	if (errSM == nil && errJson == nil) ||
+		(patchSM != nil && patchJson != nil) {
+		return fmt.Errorf(
+			"illegally qualifies as both an SM and JSON patch: [%v]",
+			p.Patch)
+	}
 	if errSM != nil && errJson != nil {
-		err = fmt.Errorf(
-			"unable to get either a Strategic Merge Patch or JSON patch 6902 from %s", p.Patch)
-		return
+		return fmt.Errorf(
+			"unable to parse SM or JSON patch from [%v]", p.Patch)
 	}
-	if errSM == nil && errJson != nil {
+	if errSM == nil {
 		p.loadedPatch = patchSM
-	}
-	if errJson == nil && errSM != nil {
+	} else {
 		p.decodedPatch = patchJson
 	}
-	if patchSM != nil && patchJson != nil {
-		err = fmt.Errorf(
-			"a patch can't be both a Strategic Merge Patch and JSON patch 6902 %s", p.Patch)
-	}
-
 	return nil
 }
 
 func (p *PatchTransformerPlugin) Transform(m resmap.ResMap) error {
-	if p.loadedPatch != nil && p.Target == nil {
-		target, err := m.GetById(p.loadedPatch.OrgId())
+	if p.loadedPatch != nil {
+		// The patch was a strategic merge patch
+		return p.transformStrategicMerge(m, p.loadedPatch)
+	} else {
+		return p.transformJson6902(m, p.decodedPatch)
+	}
+}
+
+// transformStrategicMerge applies the provided strategic merge patch
+// to all the resources in the ResMap that match either the Target or
+// the identifier of the patch.
+func (p *PatchTransformerPlugin) transformStrategicMerge(m resmap.ResMap, patch *resource.Resource) error {
+	if p.Target == nil {
+		target, err := m.GetById(patch.OrgId())
 		if err != nil {
 			return err
 		}
-		err = target.Patch(p.loadedPatch.Kunstructured)
-		if err != nil {
-			return err
-		}
-		return nil
+		return p.applySMPatch(target, patch)
 	}
 
+	resources, err := m.Select(*p.Target)
+	if err != nil {
+		return err
+	}
+	for _, res := range resources {
+		patchCopy := patch.DeepCopy()
+		patchCopy.SetName(res.GetName())
+		patchCopy.SetNamespace(res.GetNamespace())
+		patchCopy.SetGvk(res.GetGvk())
+		err := p.applySMPatch(res, patchCopy)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// applySMPatch applies the provided strategic merge patch to the
+// given resource. Depending on the value of YAMLSupport, it will either
+// use the legacy implementation or the kyaml-based solution.
+func (p *PatchTransformerPlugin) applySMPatch(resource, patch *resource.Resource) error {
+	if !p.YAMLSupport {
+		return resource.Patch(patch.Kunstructured)
+	} else {
+		node, err := filtersutil.GetRNode(patch)
+		if err != nil {
+			return err
+		}
+		return filtersutil.ApplyToJSON(patchstrategicmerge.Filter{
+			Patch: node,
+		}, resource.Kunstructured)
+	}
+}
+
+// transformJson6902 applies the provided json6902 patch
+// to all the resources in the ResMap that match the Target.
+func (p *PatchTransformerPlugin) transformJson6902(m resmap.ResMap, patch jsonpatch.Patch) error {
 	if p.Target == nil {
 		return fmt.Errorf("must specify a target for patch %s", p.Patch)
 	}
@@ -92,35 +139,36 @@ func (p *PatchTransformerPlugin) Transform(m resmap.ResMap) error {
 		return err
 	}
 	for _, res := range resources {
-		if p.decodedPatch != nil {
-			rawObj, err := res.MarshalJSON()
-			if err != nil {
-				return err
-			}
-			modifiedObj, err := p.decodedPatch.Apply(rawObj)
-			if err != nil {
-				return errors.Wrapf(
-					err, "failed to apply json patch '%s'", p.Patch)
-			}
-			err = res.UnmarshalJSON(modifiedObj)
-			if err != nil {
-				return err
-			}
-		}
-		if p.loadedPatch != nil {
-			patchCopy := p.loadedPatch.DeepCopy()
-			patchCopy.SetName(res.GetName())
-			patchCopy.SetNamespace(res.GetNamespace())
-			patchCopy.SetGvk(res.GetGvk())
-			err = res.Patch(patchCopy.Kunstructured)
-			if err != nil {
-				return err
-			}
+		err = p.applyJson6902Patch(res, patch)
+		if err != nil {
+			return err
 		}
 	}
 	return nil
 }
 
+// applyJson6902Patch applies the provided patch to the given resource.
+// Depending on the value of YAMLSupport, it will either
+// use the legacy implementation or the kyaml-based solution.
+func (p *PatchTransformerPlugin) applyJson6902Patch(resource *resource.Resource, patch jsonpatch.Patch) error {
+	if !p.YAMLSupport {
+		rawObj, err := resource.MarshalJSON()
+		if err != nil {
+			return err
+		}
+		modifiedObj, err := patch.Apply(rawObj)
+		if err != nil {
+			return errors.Wrapf(
+				err, "failed to apply json patch '%s'", p.Patch)
+		}
+		return resource.UnmarshalJSON(modifiedObj)
+	} else {
+		return filtersutil.ApplyToJSON(patchjson6902.Filter{
+			Patch: p.Patch,
+		}, resource.Kunstructured)
+	}
+}
+
 // jsonPatchFromBytes loads a Json 6902 patch from
 // a bytes input
 func jsonPatchFromBytes(

api/builtins/SecretGenerator.go

@@ -13,12 +13,10 @@ import (
 type SecretGeneratorPlugin struct {
 	h                *resmap.PluginHelpers
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
-	types.GeneratorOptions
 	types.SecretArgs
 }
 
 func (p *SecretGeneratorPlugin) Config(h *resmap.PluginHelpers, config []byte) (err error) {
-	p.GeneratorOptions = types.GeneratorOptions{}
 	p.SecretArgs = types.SecretArgs{}
 	err = yaml.Unmarshal(config, p)
 	if p.SecretArgs.Name == "" {
@@ -33,8 +31,7 @@ func (p *SecretGeneratorPlugin) Config(h *resmap.PluginHelpers, config []byte) (
 
 func (p *SecretGeneratorPlugin) Generate() (resmap.ResMap, error) {
 	return p.h.ResmapFactory().FromSecretArgs(
-		kv.NewLoader(p.h.Loader(), p.h.Validator()),
-		&p.GeneratorOptions, p.SecretArgs)
+		kv.NewLoader(p.h.Loader(), p.h.Validator()), p.SecretArgs)
 }
 
 func NewSecretGeneratorPlugin() resmap.GeneratorPlugin {

api/builtins/ValueAddTransformer.go

@@ -0,0 +1,142 @@
+// Code generated by pluginator on ValueAddTransformer; DO NOT EDIT.
+// pluginator {unknown  1970-01-01T00:00:00Z  }
+
+package builtins
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"sigs.k8s.io/kustomize/api/filters/namespace"
+	"sigs.k8s.io/kustomize/api/filters/valueadd"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
+	"sigs.k8s.io/yaml"
+)
+
+// An 'Add' transformer inspired by the IETF RFC 6902 JSON spec Add operation.
+type ValueAddTransformerPlugin struct {
+	// Value is the value to add.
+	// Defaults to base name of encompassing kustomization root.
+	Value string `json:"value,omitempty" yaml:"value,omitempty"`
+
+	// Targets is a slice of targets that should have the value added.
+	Targets []Target `json:"targets,omitempty" yaml:"targets,omitempty"`
+
+	// TargetFilePath is a file path.  If specified, the file will be parsed into
+	// a slice of Target, and appended to anything that was specified in the
+	// Targets field.  This is just a means to share common target specifications.
+	TargetFilePath string `json:"targetFilePath,omitempty" yaml:"targetFilePath,omitempty"`
+}
+
+// Target describes where to put the value.
+type Target struct {
+	// Selector selects the resources to modify.
+	Selector *types.Selector `json:"selector,omitempty" yaml:"selector,omitempty"`
+
+	// NotSelector selects the resources to exclude
+	// from those included by overly broad selectors.
+	// TODO: implement this?
+	// NotSelector *types.Selector `json:"notSelector,omitempty" yaml:"notSelector,omitempty"`
+
+	// FieldPath is a JSON-style path to the field intended to hold the value.
+	FieldPath string `json:"fieldPath,omitempty" yaml:"fieldPath,omitempty"`
+
+	// FilePathPosition is passed to the filter directly.  Look there for doc.
+	FilePathPosition int `json:"filePathPosition,omitempty" yaml:"filePathPosition,omitempty"`
+}
+
+func (p *ValueAddTransformerPlugin) Config(h *resmap.PluginHelpers, c []byte) error {
+	err := yaml.Unmarshal(c, p)
+	if err != nil {
+		return err
+	}
+	p.Value = strings.TrimSpace(p.Value)
+	if p.Value == "" {
+		p.Value = filepath.Base(h.Loader().Root())
+	}
+	if p.TargetFilePath != "" {
+		bytes, err := h.Loader().Load(p.TargetFilePath)
+		if err != nil {
+			return err
+		}
+		var targets struct {
+			Targets []Target `json:"targets,omitempty" yaml:"targets,omitempty"`
+		}
+		err = yaml.Unmarshal(bytes, &targets)
+		if err != nil {
+			return err
+		}
+		p.Targets = append(p.Targets, targets.Targets...)
+	}
+	if len(p.Targets) == 0 {
+		return fmt.Errorf("must specify at least one target")
+	}
+	for _, target := range p.Targets {
+		if err = validateSelector(target.Selector); err != nil {
+			return err
+		}
+		// TODO: call validateSelector(target.NotSelector) if field added.
+		if err = validateJsonFieldPath(target.FieldPath); err != nil {
+			return err
+		}
+		if target.FilePathPosition < 0 {
+			return fmt.Errorf(
+				"value of FilePathPosition (%d) cannot be negative",
+				target.FilePathPosition)
+		}
+	}
+	return nil
+}
+
+// TODO: implement
+func validateSelector(_ *types.Selector) error {
+	return nil
+}
+
+// TODO: Enforce RFC 6902?
+func validateJsonFieldPath(p string) error {
+	if len(p) == 0 {
+		return fmt.Errorf("fieldPath cannot be empty")
+	}
+	return nil
+}
+
+func (p *ValueAddTransformerPlugin) Transform(m resmap.ResMap) (err error) {
+	for _, t := range p.Targets {
+		var resources []*resource.Resource
+		if t.Selector == nil {
+			resources = m.Resources()
+		} else {
+			resources, err = m.Select(*t.Selector)
+			if err != nil {
+				return err
+			}
+		}
+		// TODO: consider t.NotSelector if implemented
+		for _, res := range resources {
+			if t.FieldPath == types.MetadataNamespacePath {
+				err = filtersutil.ApplyToJSON(namespace.Filter{
+					Namespace: p.Value,
+				}, res.Kunstructured)
+			} else {
+				err = filtersutil.ApplyToJSON(valueadd.Filter{
+					Value:            p.Value,
+					FieldPath:        t.FieldPath,
+					FilePathPosition: t.FilePathPosition,
+				}, res.Kunstructured)
+			}
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func NewValueAddTransformerPlugin() resmap.TransformerPlugin {
+	return &ValueAddTransformerPlugin{}
+}

api/filesys/util.go

@@ -3,7 +3,11 @@
 
 package filesys
 
-import "path/filepath"
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
 
 // RootedPath returns a rooted path, e.g. "/foo/bar" as
 // opposed to "foo/bar".
@@ -28,3 +32,94 @@ func StripLeadingSeps(s string) string {
 	}
 	return s[k:]
 }
+
+// PathSplit converts a file path to a slice of string.
+// If the path is absolute (if the path has a leading slash),
+// then the first entry in the result is an empty string.
+// Desired:  path == PathJoin(PathSplit(path))
+func PathSplit(incoming string) []string {
+	if incoming == "" {
+		return []string{}
+	}
+	dir, path := filepath.Split(incoming)
+	if dir == string(os.PathSeparator) {
+		if path == "" {
+			return []string{""}
+		}
+		return []string{"", path}
+	}
+	dir = strings.TrimSuffix(dir, string(os.PathSeparator))
+	if dir == "" {
+		return []string{path}
+	}
+	return append(PathSplit(dir), path)
+}
+
+// PathJoin converts a slice of string to a file path.
+// If the first entry is an empty string, then the returned
+// path is absolute (it has a leading slash).
+// Desired:  path == PathJoin(PathSplit(path))
+func PathJoin(incoming []string) string {
+	if len(incoming) == 0 {
+		return ""
+	}
+	if incoming[0] == "" {
+		return string(os.PathSeparator) + filepath.Join(incoming[1:]...)
+	}
+	return filepath.Join(incoming...)
+}
+
+// InsertPathPart inserts 'part' at position 'pos' in the given filepath.
+// The first position is 0.
+//
+// E.g. if part == 'PEACH'
+//
+//                  OLD : NEW                    : POS
+//      --------------------------------------------------------
+//              {empty} : PEACH                  : irrelevant
+//                    / : /PEACH                 : irrelevant
+//                  pie : PEACH/pie              : 0 (or negative)
+//                 /pie : /PEACH/pie             : 0 (or negative)
+//                  raw : raw/PEACH              : 1 (or larger)
+//                 /raw : /raw/PEACH             : 1 (or larger)
+//      a/nice/warm/pie : a/nice/warm/PEACH/pie  : 3
+//     /a/nice/warm/pie : /a/nice/warm/PEACH/pie : 3
+//
+// * An empty part results in no change.
+//
+// * Absolute paths get their leading '/' stripped, treated like
+//   relative paths, and the leading '/' is re-added on output.
+//   The meaning of pos is intentionally the same in either absolute or
+//   relative paths; if it weren't, this function could convert absolute
+//   paths to relative paths, which is not desirable.
+//
+// * For robustness (liberal input, conservative output) Pos values that
+//   that are too small (large) to index the split filepath result in a
+//   prefix (postfix) rather than an error.  Use extreme position values
+//   to assure a prefix or postfix (e.g. 0 will always prefix, and
+//   9999 will presumably always postfix).
+func InsertPathPart(path string, pos int, part string) string {
+	if part == "" {
+		return path
+	}
+	parts := PathSplit(path)
+	if pos < 0 {
+		pos = 0
+	} else if pos > len(parts) {
+		pos = len(parts)
+	}
+	if len(parts) > 0 && parts[0] == "" && pos < len(parts) {
+		// An empty string at 0 indicates an absolute path, and means
+		// we must increment pos.  This change means that a position
+		// specification has the same meaning in relative and absolute paths.
+		// E.g. in either the path 'a/b/c' or the path '/a/b/c',
+		// 'a' is at 0, 'b' is at 1 and 'c' is at 2, and inserting at
+		// zero means a new first field _without_ changing an absolute
+		// path to a relative path.
+		pos++
+	}
+	result := make([]string, len(parts)+1)
+	copy(result, parts[0:pos])
+	result[pos] = part
+	return PathJoin(append(result, parts[pos:]...))
+}

api/filesys/util_test.go

@@ -1,6 +1,7 @@
 package filesys_test
 
 import (
+	"os"
 	"path/filepath"
 	"testing"
 
@@ -93,6 +94,11 @@ func TestFilePathSplit(t *testing.T) {
 			dir:  "",
 			file: "rabbit.jpg",
 		},
+		{
+			full: "/",
+			dir:  "/",
+			file: "",
+		},
 		{
 			full: "/beans",
 			dir:  "/",
@@ -124,6 +130,169 @@ func TestFilePathSplit(t *testing.T) {
 	}
 }
 
+func TestPathSplitAndJoin(t *testing.T) {
+	cases := map[string]struct {
+		original string
+		expected []string
+	}{
+		"Empty": {
+			original: "",
+			expected: []string{},
+		},
+		"One": {
+			original: "hello",
+			expected: []string{"hello"},
+		},
+		"Two": {
+			original: "hello/there",
+			expected: []string{"hello", "there"},
+		},
+		"Three": {
+			original: "hello/my/friend",
+			expected: []string{"hello", "my", "friend"},
+		},
+	}
+	for n, c := range cases {
+		f := func(t *testing.T, original string, expected []string) {
+			actual := PathSplit(original)
+			if len(actual) != len(expected) {
+				t.Fatalf(
+					"expected len %d, got len %d",
+					len(expected), len(actual))
+			}
+			for i := range expected {
+				if expected[i] != actual[i] {
+					t.Fatalf(
+						"at i=%d, expected '%s', got '%s'",
+						i, expected[i], actual[i])
+				}
+			}
+			joined := PathJoin(actual)
+			if joined != original {
+				t.Fatalf(
+					"when rejoining, expected '%s', got '%s'",
+					original, joined)
+			}
+		}
+		t.Run("relative"+n, func(t *testing.T) {
+			f(t, c.original, c.expected)
+		})
+		t.Run("absolute"+n, func(t *testing.T) {
+			f(t,
+				string(os.PathSeparator)+c.original,
+				append([]string{""}, c.expected...))
+		})
+	}
+}
+
+func TestInsertPathPart(t *testing.T) {
+	cases := map[string]struct {
+		original string
+		pos      int
+		part     string
+		expected string
+	}{
+		"rootOne": {
+			original: "/",
+			pos:      0,
+			part:     "___",
+			expected: "/___",
+		},
+		"rootTwo": {
+			original: "/",
+			pos:      444,
+			part:     "___",
+			expected: "/___",
+		},
+		"rootedFirst": {
+			original: "/apple",
+			pos:      0,
+			part:     "___",
+			expected: "/___/apple",
+		},
+		"rootedSecond": {
+			original: "/apple",
+			pos:      444,
+			part:     "___",
+			expected: "/apple/___",
+		},
+		"rootedThird": {
+			original: "/apple/banana",
+			pos:      444,
+			part:     "___",
+			expected: "/apple/banana/___",
+		},
+		"emptyLow": {
+			original: "",
+			pos:      -3,
+			part:     "___",
+			expected: "___",
+		},
+		"emptyHigh": {
+			original: "",
+			pos:      444,
+			part:     "___",
+			expected: "___",
+		},
+		"peachPie": {
+			original: "a/nice/warm/pie",
+			pos:      3,
+			part:     "PEACH",
+			expected: "a/nice/warm/PEACH/pie",
+		},
+		"rootedPeachPie": {
+			original: "/a/nice/warm/pie",
+			pos:      3,
+			part:     "PEACH",
+			expected: "/a/nice/warm/PEACH/pie",
+		},
+		"longStart": {
+			original: "a/b/c/d/e/f",
+			pos:      0,
+			part:     "___",
+			expected: "___/a/b/c/d/e/f",
+		},
+		"rootedLongStart": {
+			original: "/a/b/c/d/e/f",
+			pos:      0,
+			part:     "___",
+			expected: "/___/a/b/c/d/e/f",
+		},
+		"longMiddle": {
+			original: "a/b/c/d/e/f",
+			pos:      3,
+			part:     "___",
+			expected: "a/b/c/___/d/e/f",
+		},
+		"rootedLongMiddle": {
+			original: "/a/b/c/d/e/f",
+			pos:      3,
+			part:     "___",
+			expected: "/a/b/c/___/d/e/f",
+		},
+		"longEnd": {
+			original: "a/b/c/d/e/f",
+			pos:      444,
+			part:     "___",
+			expected: "a/b/c/d/e/f/___",
+		},
+		"rootedLongEnd": {
+			original: "/a/b/c/d/e/f",
+			pos:      444,
+			part:     "___",
+			expected: "/a/b/c/d/e/f/___",
+		},
+	}
+	for n, c := range cases {
+		t.Run(n, func(t *testing.T) {
+			actual := InsertPathPart(c.original, c.pos, c.part)
+			if actual != c.expected {
+				t.Fatalf("expected '%s', got '%s'", c.expected, actual)
+			}
+		})
+	}
+}
+
 func TestStripTrailingSeps(t *testing.T) {
 	cases := []struct {
 		full string

api/filters/annotations/annotations.go

@@ -0,0 +1,42 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package annotations
+
+import (
+	"sigs.k8s.io/kustomize/api/filters/filtersutil"
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+type annoMap map[string]string
+
+type Filter struct {
+	// Annotations is the set of annotations to apply to the inputs
+	Annotations annoMap `yaml:"annotations,omitempty"`
+
+	// FsSlice contains the FieldSpecs to locate the namespace field
+	FsSlice types.FsSlice
+}
+
+var _ kio.Filter = Filter{}
+
+func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	keys := filtersutil.SortedMapKeys(f.Annotations)
+	_, err := kio.FilterAll(yaml.FilterFunc(
+		func(node *yaml.RNode) (*yaml.RNode, error) {
+			for _, k := range keys {
+				if err := node.PipeE(fsslice.Filter{
+					FsSlice:    f.FsSlice,
+					SetValue:   fsslice.SetEntry(k, f.Annotations[k]),
+					CreateKind: yaml.MappingNode, // Annotations are MappingNodes.
+				}); err != nil {
+					return nil, err
+				}
+			}
+			return node, nil
+		})).Filter(nodes)
+	return nodes, err
+}

api/filters/annotations/annotations_test.go

@@ -0,0 +1,139 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package annotations
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+var annosFs = builtinconfig.MakeDefaultConfig().CommonAnnotations
+
+func TestAnnotations_Filter(t *testing.T) {
+	testCases := map[string]struct {
+		input          string
+		expectedOutput string
+		filter         Filter
+		fsslice        types.FsSlice
+	}{
+		"add": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  annotations:
+    hero: batman
+    fiend: riddler
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  annotations:
+    hero: batman
+    fiend: riddler
+    auto: ford
+    bean: cannellini
+    clown: emmett kelley
+    dragon: smaug
+`,
+			filter: Filter{Annotations: annoMap{
+				"clown":  "emmett kelley",
+				"auto":   "ford",
+				"dragon": "smaug",
+				"bean":   "cannellini",
+			}},
+		},
+		"update": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  annotations:
+    hero: batman
+    fiend: riddler
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  annotations:
+    hero: superman
+    fiend: luthor
+    bean: cannellini
+    clown: emmett kelley
+`,
+			filter: Filter{Annotations: annoMap{
+				"clown": "emmett kelley",
+				"hero":  "superman",
+				"fiend": "luthor",
+				"bean":  "cannellini",
+			}},
+		},
+		"data-fieldspecs": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  annotations:
+    sleater: kinney
+a:
+  b:
+    sleater: kinney
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  annotations:
+    sleater: kinney
+a:
+  b:
+    sleater: kinney
+`,
+			filter: Filter{Annotations: annoMap{
+				"sleater": "kinney",
+			}},
+			fsslice: []types.FieldSpec{
+				{
+					Path:               "a/b",
+					CreateIfNotPresent: true,
+				},
+			},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			filter := tc.filter
+			filter.FsSlice = append(annosFs, tc.fsslice...)
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expectedOutput),
+				strings.TrimSpace(filtertest_test.RunFilter(t, tc.input, filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/annotations/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package annotations contains a kio.Filter implementation of the kustomize
+// annotations transformer.
+package annotations

api/filters/annotations/example_test.go

@@ -0,0 +1,55 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package annotations
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	fss := builtinconfig.MakeDefaultConfig().CommonAnnotations
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`)}},
+		Filters: []kio.Filter{Filter{
+			Annotations: map[string]string{
+				"foo": "bar",
+			},
+			FsSlice: fss,
+		}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	//   annotations:
+	//     foo: bar
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	//   annotations:
+	//     foo: bar
+}

api/filters/filtersutil/filtersutil.go

@@ -0,0 +1,21 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filtersutil
+
+import (
+	"sort"
+)
+
+// SortedMapKeys returns a sorted slice of keys to the given map.
+// Writing this function never gets old.
+func SortedMapKeys(m map[string]string) []string {
+	keys := make([]string, len(m))
+	i := 0
+	for k := range m {
+		keys[i] = k
+		i++
+	}
+	sort.Strings(keys)
+	return keys
+}

api/filters/filtersutil/filtersutil_test.go

@@ -0,0 +1,34 @@
+package filtersutil_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/filters/filtersutil"
+)
+
+func TestSortedKeys(t *testing.T) {
+	testCases := map[string]struct {
+		input    map[string]string
+		expected []string
+	}{
+		"empty": {
+			input:    map[string]string{},
+			expected: []string{}},
+		"one": {
+			input:    map[string]string{"a": "aaa"},
+			expected: []string{"a"}},
+		"three": {
+			input:    map[string]string{"c": "ccc", "b": "bbb", "a": "aaa"},
+			expected: []string{"a", "b", "c"}},
+	}
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			if !assert.Equal(t,
+				filtersutil.SortedMapKeys(tc.input),
+				tc.expected) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/fsslice/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package fsslice contains a yaml.Filter to modify a resource using an
+// FsSlice to identify fields to be updated within the resource.
+package fsslice

api/filters/fsslice/example_test.go

@@ -0,0 +1,62 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package fsslice_test
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+func ExampleFilter() {
+	in := &kio.ByteReader{
+		Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`),
+	}
+	fltr := fsslice.Filter{
+		CreateKind: yaml.ScalarNode,
+		SetValue:   fsslice.SetScalar("green"),
+		FsSlice: []types.FieldSpec{
+			{Path: "a/b", CreateIfNotPresent: true},
+		},
+	}
+
+	err := kio.Pipeline{
+		Inputs:  []kio.Reader{in},
+		Filters: []kio.Filter{kio.FilterAll(fltr)},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	// a:
+	//   b: green
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	// a:
+	//   b: green
+}

api/filters/fsslice/fieldspec_filter.go

@@ -0,0 +1,140 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package fsslice
+
+import (
+	"strings"
+
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/errors"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// fieldSpecFilter applies a single fieldSpec to a single object
+// fieldSpecFilter stores internal state and should not be reused
+type fieldSpecFilter struct {
+	// FieldSpec contains the path to the value to set.
+	FieldSpec types.FieldSpec `yaml:"fieldSpec"`
+
+	// Set the field using this function
+	SetValue SetFn
+
+	// CreateKind defines the type of node to create if the field is not found
+	CreateKind yaml.Kind
+
+	// path keeps internal state about the current path
+	path []string
+}
+
+func (fltr fieldSpecFilter) Filter(obj *yaml.RNode) (*yaml.RNode, error) {
+	// check if the FieldSpec applies to the object
+	if match, err := isMatchGVK(fltr.FieldSpec, obj); !match || err != nil {
+		return obj, errors.Wrap(err)
+	}
+	fltr.path = strings.Split(fltr.FieldSpec.Path, "/")
+	if err := fltr.filter(obj); err != nil {
+		s, _ := obj.String()
+		return nil, errors.WrapPrefixf(err,
+			"obj %v at path %v", s, fltr.FieldSpec.Path)
+	}
+	return obj, nil
+}
+
+func (fltr fieldSpecFilter) filter(obj *yaml.RNode) error {
+	if len(fltr.path) == 0 {
+		// found the field -- set its value
+		return fltr.SetValue(obj)
+	}
+	switch obj.YNode().Kind {
+	case yaml.SequenceNode:
+		return fltr.seq(obj)
+	case yaml.MappingNode:
+		return fltr.field(obj)
+	}
+	// not found -- this might be an error since the type doesn't match
+
+	return errors.Errorf("unsupported yaml node")
+}
+
+// field calls filter on the field matching the next path element
+func (fltr fieldSpecFilter) field(obj *yaml.RNode) error {
+	fieldName, isSeq := isSequenceField(fltr.path[0])
+
+	// lookup the field matching the next path element
+	var lookupField yaml.Filter
+	switch {
+	case !fltr.FieldSpec.CreateIfNotPresent || fltr.CreateKind == 0 || isSeq:
+		// dont' create the field if we don't find it
+		lookupField = yaml.Lookup(fieldName)
+	case len(fltr.path) <= 1:
+		// create the field if it is missing: use the provided node kind
+		lookupField = yaml.LookupCreate(fltr.CreateKind, fieldName)
+	default:
+		// create the field if it is missing: must be a mapping node
+		lookupField = yaml.LookupCreate(yaml.MappingNode, fieldName)
+	}
+
+	// locate (or maybe create) the field
+	field, err := obj.Pipe(lookupField)
+	if err != nil || field == nil {
+		return errors.WrapPrefixf(err, "fieldName: %s", fieldName)
+	}
+
+	// copy the current fltr and change the path on the copy
+	var next = fltr
+	// call filter for the next path element on the matching field
+	next.path = fltr.path[1:]
+	return next.filter(field)
+}
+
+// seq calls filter on all sequence elements
+func (fltr fieldSpecFilter) seq(obj *yaml.RNode) error {
+	if err := obj.VisitElements(func(node *yaml.RNode) error {
+		// recurse on each element -- re-allocating a fieldSpecFilter is
+		// not strictly required, but is more consistent with field
+		// and less likely to have side effects
+		// keep the entire path -- it does not contain parts for sequences
+		return fltr.filter(node)
+	}); err != nil {
+		return errors.WrapPrefixf(err,
+			"visit traversal on path: %v", fltr.path)
+	}
+
+	return nil
+}
+
+// isSequenceField returns true if the path element is for a sequence field.
+// isSequence also returns the path element with the '[]' suffix trimmed
+func isSequenceField(name string) (string, bool) {
+	isSeq := strings.HasSuffix(name, "[]")
+	name = strings.TrimSuffix(name, "[]")
+	return name, isSeq
+}
+
+// isMatchGVK returns true if the fs.GVK matches the obj GVK.
+func isMatchGVK(fs types.FieldSpec, obj *yaml.RNode) (bool, error) {
+	meta, err := obj.GetMeta()
+	if err != nil {
+		return false, err
+	}
+	if fs.Kind != "" && fs.Kind != meta.Kind {
+		// kind doesn't match
+		return false, err
+	}
+
+	// parse the group and version from the apiVersion field
+	group, version := parseGV(meta.APIVersion)
+
+	if fs.Group != "" && fs.Group != group {
+		// group doesn't match
+		return false, nil
+	}
+
+	if fs.Version != "" && fs.Version != version {
+		// version doesn't match
+		return false, nil
+	}
+
+	return true, nil
+}

api/filters/fsslice/fsslice.go

@@ -0,0 +1,58 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package fsslice
+
+import (
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// SetFn sets a value
+type SetFn func(*yaml.RNode) error
+
+// SetScalar returns a SetFn to set a scalar value
+func SetScalar(value string) SetFn {
+	return func(node *yaml.RNode) error {
+		return node.PipeE(yaml.FieldSetter{StringValue: value})
+	}
+}
+
+// SetEntry returns a SetFn to set an entry in a map
+func SetEntry(key, value string) SetFn {
+	return func(node *yaml.RNode) error {
+		return node.PipeE(yaml.FieldSetter{
+			Name: key, StringValue: value})
+	}
+}
+
+var _ yaml.Filter = Filter{}
+
+// Filter uses an FsSlice to modify fields on a single object
+type Filter struct {
+	// FieldSpecList list of FieldSpecs to set
+	FsSlice types.FsSlice `yaml:"fsSlice"`
+
+	// SetValue is called on each field that matches one of the FieldSpecs
+	SetValue SetFn
+
+	// CreateKind is used to create fields that do not exist
+	CreateKind yaml.Kind
+}
+
+func (fltr Filter) Filter(obj *yaml.RNode) (*yaml.RNode, error) {
+	for i := range fltr.FsSlice {
+		// apply this FieldSpec
+		// create a new filter for each iteration because they
+		// store internal state about the field paths
+		_, err := (&fieldSpecFilter{
+			FieldSpec:  fltr.FsSlice[i],
+			SetValue:   fltr.SetValue,
+			CreateKind: fltr.CreateKind,
+		}).Filter(obj)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return obj, nil
+}

api/filters/fsslice/fsslice_test.go

@@ -0,0 +1,379 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package fsslice_test
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+type TestCase struct {
+	name     string
+	input    string
+	expected string
+	filter   fsslice.Filter
+	fsSlice  string
+	error    string
+}
+
+var tests = []TestCase{
+	{
+		name: "update",
+		fsSlice: `
+- path: a/b
+  group: foo
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta1
+kind: Bar
+a:
+  b: c
+`,
+		expected: `
+apiVersion: foo/v1beta1
+kind: Bar
+a:
+  b: e
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	{
+		name: "update-kind-not-match",
+		fsSlice: `
+- path: a/b
+  group: foo
+  kind: Bar1
+`,
+		input: `
+apiVersion: foo/v1beta1
+kind: Bar2
+a:
+  b: c
+`,
+		expected: `
+apiVersion: foo/v1beta1
+kind: Bar2
+a:
+  b: c
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	{
+		name: "update-group-not-match",
+		fsSlice: `
+- path: a/b
+  group: foo1
+  kind: Bar
+`,
+		input: `
+apiVersion: foo2/v1beta1
+kind: Bar
+a:
+  b: c
+`,
+		expected: `
+apiVersion: foo2/v1beta1
+kind: Bar
+a:
+  b: c
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	{
+		name: "update-version-not-match",
+		fsSlice: `
+- path: a/b
+  group: foo
+  version: v1beta1
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta2
+kind: Bar
+a:
+  b: c
+`,
+		expected: `
+apiVersion: foo/v1beta2
+kind: Bar
+a:
+  b: c
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	{
+		name: "bad-version",
+		fsSlice: `
+- path: a/b
+  group: foo
+  version: v1beta1
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta2/something
+kind: Bar
+a:
+  b: c
+`,
+		expected: `
+apiVersion: foo/v1beta2/something
+kind: Bar
+a:
+  b: c
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	{
+		name: "bad-meta",
+		fsSlice: `
+- path: a/b
+  group: foo
+  version: v1beta1
+  kind: Bar
+`,
+		input: `
+a:
+  b: c
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+		error: "missing Resource metadata",
+	},
+
+	{
+		name: "miss-match-type",
+		fsSlice: `
+- path: a/b/c
+  kind: Bar
+`,
+		input: `
+kind: Bar
+a:
+  b: a
+`,
+		error: "obj kind: Bar\na:\n  b: a\n at path a/b/c: unsupported yaml node",
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	{
+		name: "add",
+		fsSlice: `
+- path: a/b/c/d
+  group: foo
+  create: true
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta1
+kind: Bar
+a: {}
+`,
+		expected: `
+apiVersion: foo/v1beta1
+kind: Bar
+a: {b: {c: {d: e}}}
+`,
+		filter: fsslice.Filter{
+			SetValue:   fsslice.SetScalar("e"),
+			CreateKind: yaml.ScalarNode,
+		},
+	},
+
+	{
+		name: "update-in-sequence",
+		fsSlice: `
+- path: a/b[]/c/d
+  group: foo
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta1
+kind: Bar
+a:
+  b:
+  - c:
+      d: a
+`,
+		expected: `
+apiVersion: foo/v1beta1
+kind: Bar
+a:
+  b:
+  - c:
+      d: e
+`,
+		filter: fsslice.Filter{
+			SetValue: fsslice.SetScalar("e"),
+		},
+	},
+
+	// Don't create a sequence
+	{
+		name: "empty-sequence-no-create",
+		fsSlice: `
+- path: a/b[]/c/d
+  group: foo
+  create: true
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta1
+kind: Bar
+a: {}
+`,
+		expected: `
+apiVersion: foo/v1beta1
+kind: Bar
+a: {}
+`,
+		filter: fsslice.Filter{
+			SetValue:   fsslice.SetScalar("e"),
+			CreateKind: yaml.ScalarNode,
+		},
+	},
+
+	// Create a new field for an element in a sequence
+	{
+		name: "empty-sequence-create",
+		fsSlice: `
+- path: a/b[]/c/d
+  group: foo
+  create: true
+  kind: Bar
+`,
+		input: `
+apiVersion: foo/v1beta1
+kind: Bar
+a:
+  b:
+  - c: {}
+`,
+		expected: `
+apiVersion: foo/v1beta1
+kind: Bar
+a:
+  b:
+  - c: {d: e}
+`,
+		filter: fsslice.Filter{
+			SetValue:   fsslice.SetScalar("e"),
+			CreateKind: yaml.ScalarNode,
+		},
+	},
+
+	{
+		name: "group v1",
+		fsSlice: `
+- path: a/b
+  group: v1
+  create: true
+  kind: Bar
+`,
+		input: `
+apiVersion: v1
+kind: Bar
+`,
+		expected: `
+apiVersion: v1
+kind: Bar
+`,
+		filter: fsslice.Filter{
+			SetValue:   fsslice.SetScalar("e"),
+			CreateKind: yaml.ScalarNode,
+		},
+	},
+
+	{
+		name: "version v1",
+		fsSlice: `
+- path: a/b
+  version: v1
+  create: true
+  kind: Bar
+`,
+		input: `
+apiVersion: v1
+kind: Bar
+`,
+		expected: `
+apiVersion: v1
+kind: Bar
+a:
+  b: e
+`,
+		filter: fsslice.Filter{
+			SetValue:   fsslice.SetScalar("e"),
+			CreateKind: yaml.ScalarNode,
+		},
+	},
+}
+
+func TestFilter_Filter(t *testing.T) {
+	for i := range tests {
+		test := tests[i]
+		t.Run(test.name, func(t *testing.T) {
+			err := yaml.Unmarshal([]byte(test.fsSlice), &test.filter.FsSlice)
+			if !assert.NoError(t, err) {
+				t.FailNow()
+			}
+
+			out := &bytes.Buffer{}
+			rw := &kio.ByteReadWriter{
+				Reader:                bytes.NewBufferString(test.input),
+				Writer:                out,
+				OmitReaderAnnotations: true,
+			}
+
+			// run the filter
+			err = kio.Pipeline{
+				Inputs:  []kio.Reader{rw},
+				Filters: []kio.Filter{kio.FilterAll(test.filter)},
+				Outputs: []kio.Writer{rw},
+			}.Execute()
+			if test.error != "" {
+				if !assert.EqualError(t, err, test.error) {
+					t.FailNow()
+				}
+				// stop rest of test
+				return
+			}
+
+			if !assert.NoError(t, err) {
+				t.FailNow()
+			}
+
+			// check results
+			if !assert.Equal(t,
+				strings.TrimSpace(test.expected),
+				strings.TrimSpace(out.String())) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/fsslice/gvk.go

@@ -0,0 +1,49 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+package fsslice
+
+import (
+	"strings"
+
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// Return true for 'v' followed by a 1 or 2, and don't look at rest.
+// I.e. 'v1', 'v1beta1', 'v2', would return true.
+func looksLikeACoreApiVersion(s string) bool {
+	if len(s) < 2 {
+		return false
+	}
+	if s[0:1] != "v" {
+		return false
+	}
+	return s[1:2] == "1" || s[1:2] == "2"
+}
+
+// parseGV parses apiVersion field into group and version.
+func parseGV(apiVersion string) (group, version string) {
+	// parse the group and version from the apiVersion field
+	parts := strings.SplitN(apiVersion, "/", 2)
+	group = parts[0]
+	if len(parts) > 1 {
+		version = parts[1]
+	}
+	// Special case the original "apiVersion" of what
+	// we now call the "core" (empty) group.
+	if version == "" && looksLikeACoreApiVersion(group) {
+		version = group
+		group = ""
+	}
+	return
+}
+
+// GetGVK parses the metadata into a GVK
+func GetGVK(meta yaml.ResourceMeta) resid.Gvk {
+	group, version := parseGV(meta.APIVersion)
+	return resid.Gvk{
+		Group:   group,
+		Version: version,
+		Kind:    meta.Kind,
+	}
+}

api/filters/fsslice/gvk_test.go

@@ -0,0 +1,156 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+package fsslice
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+func TestParseGV(t *testing.T) {
+	testCases := map[string]struct {
+		input           string
+		expectedGroup   string
+		expectedVersion string
+	}{
+		"empty": {
+			input:           "",
+			expectedGroup:   "",
+			expectedVersion: "",
+		},
+		"certSigning": {
+			input:           "certificates.k8s.io/v1beta1",
+			expectedGroup:   "certificates.k8s.io",
+			expectedVersion: "v1beta1",
+		},
+		"extensions": {
+			input:           "extensions/v1beta1",
+			expectedGroup:   "extensions",
+			expectedVersion: "v1beta1",
+		},
+		"normal": {
+			input:           "apps/v1",
+			expectedGroup:   "apps",
+			expectedVersion: "v1",
+		},
+		"justApps": {
+			input:           "apps",
+			expectedGroup:   "apps",
+			expectedVersion: "",
+		},
+		"coreV1": {
+			input:           "v1",
+			expectedGroup:   "",
+			expectedVersion: "v1",
+		},
+		"coreV2": {
+			input:           "v2",
+			expectedGroup:   "",
+			expectedVersion: "v2",
+		},
+		"coreV2Beta1": {
+			input:           "v2beta1",
+			expectedGroup:   "",
+			expectedVersion: "v2beta1",
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			group, version := parseGV(tc.input)
+			if !assert.Equal(t, tc.expectedGroup, group) {
+				t.FailNow()
+			}
+			if !assert.Equal(t, tc.expectedVersion, version) {
+				t.FailNow()
+			}
+		})
+	}
+}
+
+func TestGetGVK(t *testing.T) {
+	testCases := map[string]struct {
+		input      string
+		expected   resid.Gvk
+		parseError string
+		metaError  string
+	}{
+		"empty": {
+			input: `
+`,
+			parseError: "EOF",
+		},
+		"junk": {
+			input: `
+congress: effective
+`,
+			metaError: "missing Resource metadata",
+		},
+		"normal": {
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+`,
+			expected: resid.Gvk{Group: "apps", Version: "v1", Kind: "Deployment"},
+		},
+		"apiVersionOnlyWithSlash": {
+			input: `
+apiVersion: apps/v1
+`,
+			expected: resid.Gvk{Group: "apps", Version: "v1", Kind: ""},
+		},
+		"apiVersionOnlyNoSlash1": {
+			input: `
+apiVersion: apps
+`,
+			expected: resid.Gvk{Group: "apps", Version: "", Kind: ""},
+		},
+		"apiVersionOnlyNoSlash2": {
+			input: `
+apiVersion: v1
+`,
+			expected: resid.Gvk{Group: "", Version: "v1", Kind: ""},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			obj, err := yaml.Parse(tc.input)
+			if len(tc.parseError) != 0 {
+				if err == nil {
+					t.Error("expected parse error")
+					return
+				}
+				if !strings.Contains(err.Error(), tc.parseError) {
+					t.Errorf("expected parse err '%s', got '%v'", tc.parseError, err)
+				}
+				return
+			}
+			if !assert.NoError(t, err) {
+				t.FailNow()
+			}
+			meta, err := obj.GetMeta()
+			if len(tc.metaError) != 0 {
+				if err == nil {
+					t.Error("expected meta error")
+					return
+				}
+				if !strings.Contains(err.Error(), tc.metaError) {
+					t.Errorf("expected meta err '%s', got '%v'", tc.metaError, err)
+				}
+				return
+			}
+			if !assert.NoError(t, err) {
+				t.FailNow()
+			}
+			gvk := GetGVK(meta)
+			if !assert.Equal(t, tc.expected, gvk) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/imagetag/doc.go

@@ -0,0 +1,12 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package imagetag contains two kio.Filter implementations to cover the
+// functionality of the kustomize imagetag transformer.
+//
+// Filter updates fields based on a FieldSpec and an ImageTag.
+//
+// LegacyFilter doesn't use a FieldSpec, and instead only updates image
+// references if the field is name image and it is underneath a field called
+// either containers or initContainers.
+package imagetag

api/filters/imagetag/example_test.go

@@ -0,0 +1,126 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package imagetag
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - name: FooBar
+    image: nginx
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+spec:
+  containers:
+  - name: BarFoo
+    image: nginx:1.2.1
+`)}},
+		Filters: []kio.Filter{Filter{
+			ImageTag: types.Image{
+				Name:    "nginx",
+				NewName: "apache",
+				Digest:  "12345",
+			},
+			FsSlice: []types.FieldSpec{
+				{
+					Path: "spec/containers[]/image",
+				},
+			},
+		}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	// spec:
+	//   containers:
+	//   - name: FooBar
+	//     image: apache@12345
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	// spec:
+	//   containers:
+	//   - name: BarFoo
+	//     image: apache@12345
+}
+
+func ExampleLegacyFilter() {
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - name: FooBar
+    image: nginx
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+spec:
+  containers:
+  - name: BarFoo
+    image: nginx:1.2.1
+`)}},
+		Filters: []kio.Filter{LegacyFilter{
+			ImageTag: types.Image{
+				Name:    "nginx",
+				NewName: "apache",
+				Digest:  "12345",
+			},
+		}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	// spec:
+	//   containers:
+	//   - name: FooBar
+	//     image: apache@12345
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	// spec:
+	//   containers:
+	//   - name: BarFoo
+	//     image: apache@12345
+}

api/filters/imagetag/imagetag.go

@@ -0,0 +1,44 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package imagetag
+
+import (
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+type Filter struct {
+	// imageTag is the tag we want to apply to the inputs
+	ImageTag types.Image `json:"imageTag,omitempty" yaml:"imageTag,omitempty"`
+
+	// FsSlice contains the FieldSpecs to locate the namespace field
+	FsSlice types.FsSlice `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+}
+
+var _ kio.Filter = Filter{}
+
+func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	_, err := kio.FilterAll(yaml.FilterFunc(f.filter)).Filter(nodes)
+	return nodes, err
+}
+
+func (f Filter) filter(node *yaml.RNode) (*yaml.RNode, error) {
+	if err := node.PipeE(fsslice.Filter{
+		FsSlice:  f.FsSlice,
+		SetValue: updateImageTagFn(f.ImageTag),
+	}); err != nil {
+		return nil, err
+	}
+	return node, nil
+}
+
+func updateImageTagFn(imageTag types.Image) fsslice.SetFn {
+	return func(node *yaml.RNode) error {
+		return node.PipeE(imageTagUpdater{
+			ImageTag: imageTag,
+		})
+	}
+}

api/filters/imagetag/imagetag_test.go

@@ -0,0 +1,101 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package imagetag
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	filtertest "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+func TestImageTagUpdater_Filter(t *testing.T) {
+	testCases := map[string]struct {
+		input          string
+		expectedOutput string
+		filter         Filter
+		fsSlice        types.FsSlice
+	}{
+		"update with digest": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  image: nginx:1.2.1
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  image: apache@12345
+`,
+			filter: Filter{
+				ImageTag: types.Image{
+					Name:    "nginx",
+					NewName: "apache",
+					Digest:  "12345",
+				},
+			},
+			fsSlice: []types.FieldSpec{
+				{
+					Path: "spec/image",
+				},
+			},
+		},
+		"multiple matches in sequence": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: nginx:1.2.1
+  - image: not_nginx@54321
+  - image: nginx:1.2.1
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: apache:3.2.1
+  - image: not_nginx@54321
+  - image: apache:3.2.1
+`,
+			filter: Filter{
+				ImageTag: types.Image{
+					Name:    "nginx",
+					NewName: "apache",
+					NewTag:  "3.2.1",
+				},
+			},
+			fsSlice: []types.FieldSpec{
+				{
+					Path: "spec/containers/image",
+				},
+			},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			filter := tc.filter
+			filter.FsSlice = tc.fsSlice
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expectedOutput),
+				strings.TrimSpace(filtertest.RunFilter(t, tc.input, filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/imagetag/legacy.go

@@ -0,0 +1,113 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package imagetag
+
+import (
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// LegacyFilter is an implementation of the kio.Filter interface
+// that scans through the provided kyaml data structure and updates
+// any values of any image fields that is inside a sequence under
+// a field called either containers or initContainers. The field is only
+// update if it has a value that matches and image reference and the name
+// of the image is a match with the provided ImageTag.
+type LegacyFilter struct {
+	ImageTag types.Image `json:"imageTag,omitempty" yaml:"imageTag,omitempty"`
+}
+
+var _ kio.Filter = LegacyFilter{}
+
+func (lf LegacyFilter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	return kio.FilterAll(yaml.FilterFunc(lf.filter)).Filter(nodes)
+}
+
+func (lf LegacyFilter) filter(node *yaml.RNode) (*yaml.RNode, error) {
+	meta, err := node.GetMeta()
+	if err != nil {
+		return nil, err
+	}
+
+	// We do not make any changes if the type of the resource
+	// is CustomResourceDefinition.
+	if meta.Kind == `CustomResourceDefinition` {
+		return node, nil
+	}
+
+	fff := findFieldsFilter{
+		fields:        []string{"containers", "initContainers"},
+		fieldCallback: checkImageTagsFn(lf.ImageTag),
+	}
+	if err := node.PipeE(fff); err != nil {
+		return nil, err
+	}
+	return node, nil
+}
+
+type fieldCallback func(node *yaml.RNode) error
+
+// findFieldsFilter is an implementation of the kio.Filter
+// interface. It will walk the data structure and look for fields
+// that matches the provided list of field names. For each match,
+// the value of the field will be passed in as a parameter to the
+// provided fieldCallback.
+// TODO: move this to kyaml/filterutils
+type findFieldsFilter struct {
+	fields []string
+
+	fieldCallback fieldCallback
+}
+
+func (f findFieldsFilter) Filter(obj *yaml.RNode) (*yaml.RNode, error) {
+	return obj, f.walk(obj)
+}
+
+func (f findFieldsFilter) walk(node *yaml.RNode) error {
+	switch node.YNode().Kind {
+	case yaml.MappingNode:
+		return node.VisitFields(func(n *yaml.MapNode) error {
+			err := f.walk(n.Value)
+			if err != nil {
+				return err
+			}
+			key := n.Key.YNode().Value
+			if contains(f.fields, key) {
+				return f.fieldCallback(n.Value)
+			}
+			return nil
+		})
+	case yaml.SequenceNode:
+		return node.VisitElements(func(n *yaml.RNode) error {
+			return f.walk(n)
+		})
+	}
+	return nil
+}
+
+func contains(slice []string, str string) bool {
+	for _, s := range slice {
+		if s == str {
+			return true
+		}
+	}
+	return false
+}
+
+func checkImageTagsFn(imageTag types.Image) fieldCallback {
+	return func(node *yaml.RNode) error {
+		if node.YNode().Kind != yaml.SequenceNode {
+			return nil
+		}
+
+		return node.VisitElements(func(n *yaml.RNode) error {
+			// Look up any fields on the provided node that is named
+			// image.
+			return n.PipeE(yaml.Get("image"), imageTagUpdater{
+				ImageTag: imageTag,
+			})
+		})
+	}
+}

api/filters/imagetag/legacy_test.go

@@ -0,0 +1,136 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package imagetag
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	filtertest "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+func TestLegacyImageTag_Filter(t *testing.T) {
+	testCases := map[string]struct {
+		input          string
+		expectedOutput string
+		filter         LegacyFilter
+	}{
+		"updates multiple images inside containers": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: nginx:1.2.1
+  - image: nginx:2.1.2
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: apache@12345
+  - image: apache@12345
+`,
+			filter: LegacyFilter{
+				ImageTag: types.Image{
+					Name:    "nginx",
+					NewName: "apache",
+					Digest:  "12345",
+				},
+			},
+		},
+		"updates inside both containers and initContainers": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: nginx:1.2.1
+  - image: tomcat:1.2.3
+  initContainers:
+  - image: nginx:1.2.1
+  - image: apache:1.2.3
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: apache:3.2.1
+  - image: tomcat:1.2.3
+  initContainers:
+  - image: apache:3.2.1
+  - image: apache:1.2.3
+`,
+			filter: LegacyFilter{
+				ImageTag: types.Image{
+					Name:    "nginx",
+					NewName: "apache",
+					NewTag:  "3.2.1",
+				},
+			},
+		},
+		"updates on multiple depths": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: nginx:1.2.1
+  - image: tomcat:1.2.3
+  template:
+    spec: 
+      initContainers:
+      - image: nginx:1.2.1
+      - image: apache:1.2.3
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  containers:
+  - image: apache:3.2.1
+  - image: tomcat:1.2.3
+  template:
+    spec:
+      initContainers:
+      - image: apache:3.2.1
+      - image: apache:1.2.3
+`,
+			filter: LegacyFilter{
+				ImageTag: types.Image{
+					Name:    "nginx",
+					NewName: "apache",
+					NewTag:  "3.2.1",
+				},
+			},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			filter := tc.filter
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expectedOutput),
+				strings.TrimSpace(filtertest.RunFilter(t, tc.input, filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/imagetag/updater.go

@@ -0,0 +1,43 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package imagetag
+
+import (
+	"sigs.k8s.io/kustomize/api/image"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// imageTagUpdater is an implementation of the kio.Filter interface
+// that will update the value of the yaml node based on the provided
+// ImageTag if the current value matches the format of an image reference.
+type imageTagUpdater struct {
+	Kind     string      `yaml:"kind,omitempty"`
+	ImageTag types.Image `yaml:"imageTag,omitempty"`
+}
+
+func (u imageTagUpdater) Filter(rn *yaml.RNode) (*yaml.RNode, error) {
+	if err := yaml.ErrorIfInvalid(rn, yaml.ScalarNode); err != nil {
+		return nil, err
+	}
+
+	value := rn.YNode().Value
+
+	if !image.IsImageMatched(value, u.ImageTag.Name) {
+		return rn, nil
+	}
+
+	name, tag := image.Split(value)
+	if u.ImageTag.NewName != "" {
+		name = u.ImageTag.NewName
+	}
+	if u.ImageTag.NewTag != "" {
+		tag = ":" + u.ImageTag.NewTag
+	}
+	if u.ImageTag.Digest != "" {
+		tag = "@" + u.ImageTag.Digest
+	}
+
+	return rn.Pipe(yaml.FieldSetter{StringValue: name + tag})
+}

api/filters/labels/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package labels contains a kio.Filter implementation of the kustomize
+// labels transformer.
+package labels

api/filters/labels/example_test.go

@@ -0,0 +1,55 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package labels
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	fss := builtinconfig.MakeDefaultConfig().CommonLabels
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`)}},
+		Filters: []kio.Filter{Filter{
+			Labels: map[string]string{
+				"foo": "bar",
+			},
+			FsSlice: fss,
+		}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	//   labels:
+	//     foo: bar
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	//   labels:
+	//     foo: bar
+}

api/filters/labels/labels.go

@@ -0,0 +1,43 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package labels
+
+import (
+	"sigs.k8s.io/kustomize/api/filters/filtersutil"
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+type labelMap map[string]string
+
+// Filter sets labels.
+type Filter struct {
+	// Labels is the set of labels to apply to the inputs
+	Labels labelMap `yaml:"labels,omitempty"`
+
+	// FsSlice identifies the label fields.
+	FsSlice types.FsSlice
+}
+
+var _ kio.Filter = Filter{}
+
+func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	keys := filtersutil.SortedMapKeys(f.Labels)
+	_, err := kio.FilterAll(yaml.FilterFunc(
+		func(node *yaml.RNode) (*yaml.RNode, error) {
+			for _, k := range keys {
+				if err := node.PipeE(fsslice.Filter{
+					FsSlice:    f.FsSlice,
+					SetValue:   fsslice.SetEntry(k, f.Labels[k]),
+					CreateKind: yaml.MappingNode, // Labels are MappingNodes.
+				}); err != nil {
+					return nil, err
+				}
+			}
+			return node, nil
+		})).Filter(nodes)
+	return nodes, err
+}

api/filters/labels/labels_test.go

@@ -0,0 +1,305 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package labels
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/resid"
+	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+func TestLabels_Filter(t *testing.T) {
+	testCases := map[string]struct {
+		input          string
+		expectedOutput string
+		filter         Filter
+	}{
+		"add": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    hero: batman
+    fiend: riddler
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    hero: batman
+    fiend: riddler
+    auto: ford
+    bean: cannellini
+    clown: emmett kelley
+    dragon: smaug
+`,
+			filter: Filter{
+				Labels: labelMap{
+					"clown":  "emmett kelley",
+					"auto":   "ford",
+					"dragon": "smaug",
+					"bean":   "cannellini",
+				},
+				FsSlice: []types.FieldSpec{
+					{
+						Path:               "metadata/labels",
+						CreateIfNotPresent: true,
+					},
+				},
+			},
+		},
+		"update": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    hero: batman
+    fiend: riddler
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    hero: superman
+    fiend: luthor
+    bean: cannellini
+    clown: emmett kelley
+`,
+			filter: Filter{
+				Labels: labelMap{
+					"clown": "emmett kelley",
+					"hero":  "superman",
+					"fiend": "luthor",
+					"bean":  "cannellini",
+				}, FsSlice: []types.FieldSpec{
+					{
+						Path:               "metadata/labels",
+						CreateIfNotPresent: true,
+					},
+				},
+			},
+		},
+
+		"data-fieldspecs": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    sleater: kinney
+a:
+  b:
+    sleater: kinney
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  labels:
+    sleater: kinney
+a:
+  b:
+    sleater: kinney
+`,
+			filter: Filter{
+				Labels: labelMap{
+					"sleater": "kinney",
+				},
+				FsSlice: []types.FieldSpec{
+					{
+						Path:               "metadata/labels",
+						CreateIfNotPresent: true,
+					},
+					{
+						Path:               "a/b",
+						CreateIfNotPresent: true,
+					},
+				},
+			},
+		},
+
+		"fieldSpecWithKind": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v2
+kind: Bar
+metadata:
+  name: instance
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    cheese: cheddar
+---
+apiVersion: example.com/v2
+kind: Bar
+metadata:
+  name: instance
+  labels:
+    cheese: cheddar
+a:
+  b:
+    cheese: cheddar
+`,
+			filter: Filter{
+				Labels: labelMap{
+					"cheese": "cheddar",
+				},
+				FsSlice: []types.FieldSpec{
+					{
+						Path:               "metadata/labels",
+						CreateIfNotPresent: true,
+					},
+					{
+						Gvk: resid.Gvk{
+							Kind: "Bar",
+						},
+						Path:               "a/b",
+						CreateIfNotPresent: true,
+					},
+				},
+			},
+		},
+
+		"fieldSpecWithVersion": {
+			input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v2
+kind: Bar
+metadata:
+  name: instance
+`,
+			expectedOutput: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    cheese: cheddar
+a:
+  b:
+    cheese: cheddar
+---
+apiVersion: example.com/v2
+kind: Bar
+metadata:
+  name: instance
+  labels:
+    cheese: cheddar
+`,
+			filter: Filter{
+				Labels: labelMap{
+					"cheese": "cheddar",
+				},
+				FsSlice: []types.FieldSpec{
+					{
+						Path:               "metadata/labels",
+						CreateIfNotPresent: true,
+					},
+					{
+						Gvk: resid.Gvk{
+							Version: "v1",
+						},
+						Path:               "a/b",
+						CreateIfNotPresent: true,
+					},
+				},
+			},
+		},
+		"fieldSpecWithVersionInConfigButNoGroupInData": {
+			input: `
+apiVersion: v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: v2
+kind: Bar
+metadata:
+  name: instance
+`,
+			expectedOutput: `
+apiVersion: v1
+kind: Foo
+metadata:
+  name: instance
+  labels:
+    cheese: cheddar
+a:
+  b:
+    cheese: cheddar
+---
+apiVersion: v2
+kind: Bar
+metadata:
+  name: instance
+  labels:
+    cheese: cheddar
+`,
+			filter: Filter{
+				Labels: labelMap{
+					"cheese": "cheddar",
+				},
+				FsSlice: []types.FieldSpec{
+					{
+						Path:               "metadata/labels",
+						CreateIfNotPresent: true,
+					},
+					{
+						Gvk: resid.Gvk{
+							Version: "v1",
+						},
+						Path:               "a/b",
+						CreateIfNotPresent: true,
+					},
+				},
+			},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expectedOutput),
+				strings.TrimSpace(filtertest_test.RunFilter(t, tc.input, tc.filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/namespace/doc.go

@@ -0,0 +1,9 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package namespace contains a kio.Filter implementation of the kustomize
+// namespace transformer.
+//
+// Special cases for known Kubernetes resources have been hardcoded in addition
+// to those defined by the FsSlice.
+package namespace

api/filters/namespace/example_test.go

@@ -0,0 +1,50 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package namespace_test
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/filters/namespace"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	fss := builtinconfig.MakeDefaultConfig().NameSpace
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  namespace: bar
+`)}},
+		Filters: []kio.Filter{namespace.Filter{Namespace: "app", FsSlice: fss}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	//   namespace: app
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	//   namespace: app
+}

api/filters/namespace/namespace.go

@@ -0,0 +1,166 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package namespace
+
+import (
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+type Filter struct {
+	// Namespace is the namespace to apply to the inputs
+	Namespace string `yaml:"namespace,omitempty"`
+
+	// FsSlice contains the FieldSpecs to locate the namespace field
+	FsSlice types.FsSlice `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+}
+
+var _ kio.Filter = Filter{}
+
+func (ns Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	return kio.FilterAll(yaml.FilterFunc(ns.run)).Filter(nodes)
+}
+
+// Run runs the filter on a single node rather than a slice
+func (ns Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
+	// hacks for hardcoded types -- :(
+	if err := ns.hacks(node); err != nil {
+		return nil, err
+	}
+
+	// Remove the fieldspecs that are for hardcoded fields.  The fieldspecs
+	// exist for backwards compatibility with other implementations
+	// of this transformation.
+	// This implementation of the namespace transformation
+	// Does not use the fieldspecs for implementing cases which
+	// require hardcoded logic.
+	ns.FsSlice = ns.removeFieldSpecsForHacks(ns.FsSlice)
+
+	// transformations based on data -- :)
+	err := node.PipeE(fsslice.Filter{
+		FsSlice:    ns.FsSlice,
+		SetValue:   fsslice.SetScalar(ns.Namespace),
+		CreateKind: yaml.ScalarNode, // Namespace is a ScalarNode
+	})
+	return node, err
+}
+
+// hacks applies the namespace transforms that are hardcoded rather
+// than specified through FieldSpecs.
+func (ns Filter) hacks(obj *yaml.RNode) error {
+	meta, err := obj.GetMeta()
+	if err != nil {
+		return err
+	}
+
+	if err := ns.metaNamespaceHack(obj, meta); err != nil {
+		return err
+	}
+
+	return ns.roleBindingHack(obj, meta)
+}
+
+// metaNamespaceHack is a hack for implementing the namespace transform
+// for the metadata.namespace field on namespace scoped resources.
+// namespace scoped resources are determined by NOT being present
+// in a blacklist of cluster-scoped resource types (by apiVersion and kind).
+//
+// This hack should be updated to allow individual resources to specify
+// if they are cluster scoped through either an annotation on the resources,
+// or through inlined OpenAPI on the resource as a YAML comment.
+func (ns Filter) metaNamespaceHack(obj *yaml.RNode, meta yaml.ResourceMeta) error {
+	gvk := fsslice.GetGVK(meta)
+	if !gvk.IsNamespaceableKind() {
+		return nil
+	}
+	f := fsslice.Filter{
+		FsSlice: []types.FieldSpec{
+			{Path: types.MetadataNamespacePath, CreateIfNotPresent: true},
+		},
+		SetValue:   fsslice.SetScalar(ns.Namespace),
+		CreateKind: yaml.ScalarNode, // Namespace is a ScalarNode
+	}
+	_, err := f.Filter(obj)
+	return err
+}
+
+// roleBindingHack is a hack for implementing the namespace transform
+// for RoleBinding and ClusterRoleBinding resource types.
+// RoleBinding and ClusterRoleBinding have namespace set on
+// elements of the "subjects" field if and only if the subject elements
+// "name" is "default".  Otherwise the namespace is not set.
+//
+// Example:
+//
+// kind: RoleBinding
+// subjects:
+// - name: "default" # this will have the namespace set
+//   ...
+// - name: "something-else" # this will not have the namespace set
+//   ...
+func (ns Filter) roleBindingHack(obj *yaml.RNode, meta yaml.ResourceMeta) error {
+	if meta.Kind != roleBindingKind && meta.Kind != clusterRoleBindingKind {
+		return nil
+	}
+
+	// Lookup the namespace field on all elements.
+	// We should change the fieldspec so this isn't necessary.
+	obj, err := obj.Pipe(yaml.Lookup(subjectsField))
+	if err != nil || yaml.IsEmpty(obj) {
+		return err
+	}
+
+	// add the namespace to each "subject" with name: default
+	err = obj.VisitElements(func(o *yaml.RNode) error {
+		// copied from kunstruct based kustomize NamespaceTransformer plugin
+		// The only case we need to force the namespace
+		// if for the "service account". "default" is
+		// kind of hardcoded here for right now.
+		name, err := o.Pipe(
+			yaml.Lookup("name"), yaml.Match("default"),
+		)
+		if err != nil || yaml.IsEmpty(name) {
+			return err
+		}
+
+		// set the namespace for the default account
+		v := yaml.NewScalarRNode(ns.Namespace)
+		return o.PipeE(
+			yaml.LookupCreate(yaml.ScalarNode, "namespace"),
+			yaml.FieldSetter{Value: v},
+		)
+	})
+
+	return err
+}
+
+// removeFieldSpecsForHacks removes from the list fieldspecs that
+// have hardcoded implementations
+func (ns Filter) removeFieldSpecsForHacks(fs types.FsSlice) types.FsSlice {
+	var val types.FsSlice
+	for i := range fs {
+		// implemented by metaNamespaceHack
+		if fs[i].Path == types.MetadataNamespacePath {
+			continue
+		}
+		// implemented by roleBindingHack
+		if fs[i].Kind == roleBindingKind && fs[i].Path == subjectsField {
+			continue
+		}
+		// implemented by roleBindingHack
+		if fs[i].Kind == clusterRoleBindingKind && fs[i].Path == subjectsField {
+			continue
+		}
+		val = append(val, fs[i])
+	}
+	return val
+}
+
+const (
+	subjectsField          = "subjects"
+	roleBindingKind        = "RoleBinding"
+	clusterRoleBindingKind = "ClusterRoleBinding"
+)

api/filters/namespace/namespace_test.go

@@ -0,0 +1,280 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package namespace_test
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/filters/namespace"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+var tests = []TestCase{
+	{
+		name: "add",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  namespace: foo
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  namespace: foo
+`,
+		filter: namespace.Filter{Namespace: "foo"},
+	},
+
+	{
+		name: "add-recurse",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+---
+apiVersion: example.com/v1
+kind: Bar
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  namespace: foo
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  namespace: foo
+`,
+		filter: namespace.Filter{Namespace: "foo"},
+	},
+
+	{
+		name: "update",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  # update this namespace
+  namespace: bar
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  namespace: bar
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  # update this namespace
+  namespace: foo
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  namespace: foo
+`,
+		filter: namespace.Filter{Namespace: "foo"},
+	},
+
+	{
+		name: "update-rolebinding",
+		input: `
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: default
+---
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: default
+  namespace: foo
+---
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: something
+---
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: something
+  namespace: foo
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: default
+  namespace: bar
+metadata:
+  namespace: bar
+---
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: default
+  namespace: bar
+metadata:
+  namespace: bar
+---
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: something
+metadata:
+  namespace: bar
+---
+apiVersion: example.com/v1
+kind: RoleBinding
+subjects:
+- name: something
+  namespace: foo
+metadata:
+  namespace: bar
+`,
+		filter: namespace.Filter{Namespace: "bar"},
+	},
+
+	{
+		name: "update-clusterrolebinding",
+		input: `
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: default
+---
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: default
+  namespace: foo
+---
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: something
+---
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: something
+  namespace: foo
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: default
+  namespace: bar
+---
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: default
+  namespace: bar
+---
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: something
+---
+apiVersion: example.com/v1
+kind: ClusterRoleBinding
+subjects:
+- name: something
+  namespace: foo
+`,
+		filter: namespace.Filter{Namespace: "bar"},
+	},
+
+	{
+		name: "data-fieldspecs",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+  namespace: foo
+a:
+  b:
+    c: foo
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  namespace: foo
+a:
+  b:
+    c: foo
+`,
+		filter: namespace.Filter{Namespace: "foo"},
+		fsslice: []types.FieldSpec{
+			{
+				Path:               "a/b/c",
+				CreateIfNotPresent: true,
+			},
+		},
+	},
+}
+
+type TestCase struct {
+	name     string
+	input    string
+	expected string
+	filter   namespace.Filter
+	fsslice  types.FsSlice
+}
+
+var config = builtinconfig.MakeDefaultConfig()
+
+func TestNamespace_Filter(t *testing.T) {
+	for i := range tests {
+		test := tests[i]
+		t.Run(test.name, func(t *testing.T) {
+			test.filter.FsSlice = append(config.NameSpace, test.fsslice...)
+			if !assert.Equal(t,
+				strings.TrimSpace(test.expected),
+				strings.TrimSpace(
+					filtertest_test.RunFilter(t, test.input, test.filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/patchjson6902/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package namespace contains a kio.Filter implementation of the kustomize
+// patchjson6902 transformer
+package patchjson6902

api/filters/patchjson6902/example_test.go

@@ -0,0 +1,55 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package patchjson6902
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+  namespace: bar
+`)}},
+		Filters: []kio.Filter{
+			Filter{
+				Patch: `
+- op: replace
+  path: /metadata/namespace
+  value: "ns"
+`,
+			},
+		},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	//   namespace: ns
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	//   namespace: ns
+}

api/filters/patchjson6902/patchjson6902.go

@@ -0,0 +1,65 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package patchjson6902
+
+import (
+	"strings"
+
+	jsonpatch "github.com/evanphx/json-patch"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+	k8syaml "sigs.k8s.io/yaml"
+)
+
+type Filter struct {
+	Patch string
+
+	decodedPatch jsonpatch.Patch
+}
+
+var _ kio.Filter = Filter{}
+
+func (pf Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	decodedPatch, err := pf.decodePatch()
+	if err != nil {
+		return nil, err
+	}
+	pf.decodedPatch = decodedPatch
+	return kio.FilterAll(yaml.FilterFunc(pf.run)).Filter(nodes)
+}
+
+func (pf Filter) decodePatch() (jsonpatch.Patch, error) {
+	patch := pf.Patch
+	// If the patch doesn't look like a JSON6902 patch, we
+	// try to parse it to json.
+	if !strings.HasPrefix(pf.Patch, "[") {
+		p, err := k8syaml.YAMLToJSON([]byte(patch))
+		if err != nil {
+			return nil, err
+		}
+		patch = string(p)
+	}
+	decodedPatch, err := jsonpatch.DecodePatch([]byte(patch))
+	if err != nil {
+		return nil, err
+	}
+	return decodedPatch, nil
+}
+
+func (pf Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
+	// We don't actually use the kyaml library for manipulating the
+	// yaml here. We just marshal it to json and rely on the
+	// jsonpatch library to take care of applying the patch.
+	// This means ordering might not be preserved with this filter.
+	b, err := node.MarshalJSON()
+	if err != nil {
+		return nil, err
+	}
+	res, err := pf.decodedPatch.Apply(b)
+	if err != nil {
+		return nil, err
+	}
+	err = node.UnmarshalJSON(res)
+	return node, err
+}

api/filters/patchjson6902/patchjson6902_test.go

@@ -0,0 +1,173 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package patchjson6902
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	filtertest "sigs.k8s.io/kustomize/api/testutils/filtertest"
+)
+
+const input = `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeploy
+spec:
+  replica: 2
+  template:
+    metadata:
+      labels:
+        old-label: old-value
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+`
+
+func TestSomething(t *testing.T) {
+	testCases := []struct {
+		testName       string
+		input          string
+		filter         Filter
+		expectedOutput string
+	}{
+		{
+			testName: "single operation, json",
+			input:    input,
+			filter: Filter{
+				Patch: `[
+{"op": "replace", "path": "/spec/replica", "value": 5}
+]`,
+			},
+			expectedOutput: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeploy
+spec:
+  replica: 5
+  template:
+    metadata:
+      labels:
+        old-label: old-value
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+`,
+		},
+		{
+			testName: "multiple operations, json",
+			input:    input,
+			filter: Filter{
+				Patch: `[
+{"op": "replace", "path": "/spec/template/spec/containers/0/name", "value": "my-nginx"},
+{"op": "add", "path": "/spec/replica", "value": 999},
+{"op": "add", "path": "/spec/template/spec/containers/0/command", "value": ["arg1", "arg2", "arg3"]}
+]`,
+			},
+			expectedOutput: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeploy
+spec:
+  replica: 999
+  template:
+    metadata:
+      labels:
+        old-label: old-value
+    spec:
+      containers:
+      - command:
+        - arg1
+        - arg2
+        - arg3
+        image: nginx
+        name: my-nginx
+`,
+		},
+		{
+			testName: "single operation, yaml",
+			input:    input,
+			filter: Filter{
+				Patch: `
+- op: replace
+  path: /spec/replica
+  value: 5
+`,
+			},
+			expectedOutput: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeploy
+spec:
+  replica: 5
+  template:
+    metadata:
+      labels:
+        old-label: old-value
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+`,
+		},
+		{
+			testName: "multiple operations, yaml",
+			input:    input,
+			filter: Filter{
+				Patch: `
+- op: replace
+  path: /spec/template/spec/containers/0/name
+  value: my-nginx
+- op: add
+  path: /spec/replica
+  value: 999
+- op: add
+  path: /spec/template/spec/containers/0/command
+  value:
+  - arg1
+  - arg2
+  - arg3
+`,
+			},
+			expectedOutput: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeploy
+spec:
+  replica: 999
+  template:
+    metadata:
+      labels:
+        old-label: old-value
+    spec:
+      containers:
+      - command:
+        - arg1
+        - arg2
+        - arg3
+        image: nginx
+        name: my-nginx
+`,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.testName, func(t *testing.T) {
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expectedOutput),
+				strings.TrimSpace(
+					filtertest.RunFilter(t, tc.input, tc.filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/patchstrategicmerge/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package patchstrategicmerge contains a kio.Filter implementation of the
+// kustomize strategic merge patch transformer.
+package patchstrategicmerge

api/filters/patchstrategicmerge/example_test.go

@@ -0,0 +1,49 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package patchstrategicmerge
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+func ExampleFilter() {
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  replicas: 3
+`)}},
+		Filters: []kio.Filter{Filter{
+			Patch: yaml.MustParse(`
+spec:
+  template:
+    containers:
+    - image: nginx
+`),
+		}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	// spec:
+	//   replicas: 3
+	//   template:
+	//     containers:
+	//     - image: nginx
+}

api/filters/patchstrategicmerge/patchstrategicmerge.go

@@ -0,0 +1,21 @@
+package patchstrategicmerge
+
+import (
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+	"sigs.k8s.io/kustomize/kyaml/yaml/merge2"
+)
+
+type Filter struct {
+	Patch *yaml.RNode
+}
+
+var _ kio.Filter = Filter{}
+
+func (pf Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	return kio.FilterAll(yaml.FilterFunc(pf.run)).Filter(nodes)
+}
+
+func (pf Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
+	return merge2.Merge(pf.Patch, node)
+}

api/filters/patchstrategicmerge/patchstrategicmerge_test.go

@@ -0,0 +1,82 @@
+package patchstrategicmerge
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	filtertest "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+func TestFilter(t *testing.T) {
+	testCases := map[string]struct {
+		input    string
+		patch    *yaml.RNode
+		expected string
+	}{
+		"simple patch": {
+			input: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+`,
+			patch: yaml.MustParse(`
+metadata:
+  name: yourDeploy
+`),
+			expected: `
+apiVersion: apps/v1
+metadata:
+  name: yourDeploy
+kind: Deployment
+`,
+		},
+		"nested patch": {
+			input: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  containers:
+  - name: nginx
+    args:
+    - abc
+`,
+			patch: yaml.MustParse(`
+spec:
+  containers:
+  - name: nginx
+    args:
+    - def
+`),
+			expected: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  containers:
+  - name: nginx
+    args:
+    - def
+`,
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			f := Filter{
+				Patch: tc.patch,
+			}
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expected),
+				strings.TrimSpace(
+					filtertest.RunFilter(t, tc.input, f))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/prefixsuffix/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package prefixsuffix contains a kio.Filter implementation of the kustomize
+// PrefixSuffixTransformer.
+package prefixsuffix

api/filters/prefixsuffix/example_test.go

@@ -0,0 +1,47 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package prefixsuffix_test
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/filters/prefixsuffix"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	fss := builtinconfig.MakeDefaultConfig().NamePrefix
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`)}},
+		Filters: []kio.Filter{prefixsuffix.Filter{Prefix: "baz-", FsSlice: fss}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: baz-instance
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: baz-instance
+}

api/filters/prefixsuffix/prefixsuffix.go

@@ -0,0 +1,43 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package prefixsuffix
+
+import (
+	"fmt"
+
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// Filter applies resource name prefix's and suffix's using the fieldSpecs
+type Filter struct {
+	Prefix string `json:"prefix,omitempty" yaml:"prefix,omitempty"`
+	Suffix string `json:"suffix,omitempty" yaml:"suffix,omitempty"`
+
+	FsSlice types.FsSlice `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+}
+
+var _ kio.Filter = Filter{}
+
+func (ns Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	return kio.FilterAll(yaml.FilterFunc(ns.run)).Filter(nodes)
+}
+
+// Run runs the filter on a single node rather than a slice
+func (ns Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
+	// transformations based on data -- :)
+	err := node.PipeE(fsslice.Filter{
+		FsSlice:    ns.FsSlice,
+		SetValue:   ns.set,
+		CreateKind: yaml.ScalarNode, // Name is a ScalarNode
+	})
+	return node, err
+}
+
+func (ns Filter) set(node *yaml.RNode) error {
+	return fsslice.SetScalar(fmt.Sprintf(
+		"%s%s%s", ns.Prefix, node.YNode().Value, ns.Suffix))(node)
+}

api/filters/prefixsuffix/prefixsuffix_test.go

@@ -0,0 +1,167 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package prefixsuffix_test
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/filters/prefixsuffix"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+var tests = []TestCase{
+	{
+		name: "prefix",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: foo-instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: foo-instance
+`,
+		filter: prefixsuffix.Filter{Prefix: "foo-"},
+	},
+
+	{
+		name: "suffix",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance-foo
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance-foo
+`,
+		filter: prefixsuffix.Filter{Suffix: "-foo"},
+	},
+
+	{
+		name: "prefix-suffix",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: bar-instance-foo
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: bar-instance-foo
+`,
+		filter: prefixsuffix.Filter{Prefix: "bar-", Suffix: "-foo"},
+	},
+
+	{
+		name: "data-fieldspecs",
+		input: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+a:
+  b:
+    c: d
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+a:
+  b:
+    c: d
+`,
+		expected: `
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: foo-instance
+a:
+  b:
+    c: foo-d
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: foo-instance
+a:
+  b:
+    c: foo-d
+`,
+		filter: prefixsuffix.Filter{Prefix: "foo-"},
+		fsslice: []types.FieldSpec{
+			{
+				Path: "a/b/c",
+			},
+		},
+	},
+}
+
+type TestCase struct {
+	name     string
+	input    string
+	expected string
+	filter   prefixsuffix.Filter
+	fsslice  types.FsSlice
+}
+
+var config = builtinconfig.MakeDefaultConfig()
+
+func TestFilter(t *testing.T) {
+	for i := range tests {
+		test := tests[i]
+		t.Run(test.name, func(t *testing.T) {
+			test.filter.FsSlice = append(config.NamePrefix, test.fsslice...)
+			if !assert.Equal(t,
+				strings.TrimSpace(test.expected),
+				strings.TrimSpace(
+					filtertest_test.RunFilter(t, test.input, test.filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/replicacount/doc.go

@@ -0,0 +1,6 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package replicacount contains a kio.Filter implementation of the kustomize
+// ReplicaCountTransformer.
+package replicacount

api/filters/replicacount/example_test.go

@@ -0,0 +1,64 @@
+package replicacount
+
+import (
+	"bytes"
+	"log"
+	"os"
+
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+)
+
+func ExampleFilter() {
+	err := kio.Pipeline{
+		Inputs: []kio.Reader{&kio.ByteReader{Reader: bytes.NewBufferString(`
+apiVersion: example.com/v1
+kind: Foo
+metadata:
+  name: instance
+spec:
+  template:
+    replicas: 5
+---
+apiVersion: example.com/v1
+kind: Bar
+metadata:
+  name: instance
+spec:
+  template:
+    replicas: 5
+`)}},
+		Filters: []kio.Filter{Filter{
+			Replica: types.Replica{
+				Count: 42,
+				Name:  "instance",
+			},
+			FsSlice: types.FsSlice{
+				{
+					Path: "spec/template/replicas",
+				},
+			},
+		}},
+		Outputs: []kio.Writer{kio.ByteWriter{Writer: os.Stdout}},
+	}.Execute()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Output:
+	// apiVersion: example.com/v1
+	// kind: Foo
+	// metadata:
+	//   name: instance
+	// spec:
+	//   template:
+	//     replicas: 42
+	// ---
+	// apiVersion: example.com/v1
+	// kind: Bar
+	// metadata:
+	//   name: instance
+	// spec:
+	//   template:
+	//     replicas: 42
+}

api/filters/replicacount/replicacount.go

@@ -0,0 +1,48 @@
+package replicacount
+
+import (
+	"strconv"
+
+	"sigs.k8s.io/kustomize/api/filters/fsslice"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// Filter updates/sets replicas fields using the fieldSpecs
+type Filter struct {
+	Replica types.Replica `json:"replica,omitempty" yaml:"replica,omitempty"`
+
+	// FsSlice contains the FieldSpecs to locate the namespace field
+	FsSlice types.FsSlice `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
+}
+
+var _ kio.Filter = Filter{}
+
+func (rc Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	return kio.FilterAll(yaml.FilterFunc(rc.run)).Filter(nodes)
+}
+
+// run processes each node individually.
+func (rc Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
+	meta, err := node.GetMeta()
+	if err != nil {
+		return nil, err
+	}
+
+	// only update resources where the name matches the Replica name.
+	if meta.Name != rc.Replica.Name {
+		return node, nil
+	}
+
+	err = node.PipeE(fsslice.Filter{
+		FsSlice:    rc.FsSlice,
+		SetValue:   rc.set,
+		CreateKind: yaml.ScalarNode, // replicas is a ScalarNode
+	})
+	return node, err
+}
+
+func (rc Filter) set(node *yaml.RNode) error {
+	return fsslice.SetScalar(strconv.FormatInt(rc.Replica.Count, 10))(node)
+}

api/filters/replicacount/replicacount_test.go

@@ -0,0 +1,164 @@
+package replicacount
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
+	"sigs.k8s.io/kustomize/api/types"
+)
+
+func TestFilter(t *testing.T) {
+	var config = builtinconfig.MakeDefaultConfig()
+
+	testCases := map[string]struct {
+		input    string
+		expected string
+		filter   Filter
+		fsslice  types.FsSlice
+	}{
+		"update field": {
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dep
+spec:
+  replicas: 5
+`,
+			expected: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: dep
+spec:
+  replicas: 42
+`,
+			filter: Filter{
+				Replica: types.Replica{
+					Name:  "dep",
+					Count: 42,
+				},
+			},
+			fsslice: types.FsSlice{
+				{
+					Path: "spec/replicas",
+				},
+			},
+		},
+		"add field": {
+			input: `
+apiVersion: custom/v1
+kind: Custom
+metadata:
+  name: cus
+spec:
+  template:
+    other: something
+`,
+			expected: `
+apiVersion: custom/v1
+kind: Custom
+metadata:
+  name: cus
+spec:
+  template:
+    other: something
+    replicas: 42
+`,
+			filter: Filter{
+				Replica: types.Replica{
+					Name:  "cus",
+					Count: 42,
+				},
+			},
+			fsslice: types.FsSlice{
+				{
+					Path:               "spec/template/replicas",
+					CreateIfNotPresent: true,
+				},
+			},
+		},
+		"no update if CreateIfNotPresent is false": {
+			input: `
+apiVersion: custom/v1
+kind: Custom
+metadata:
+  name: cus
+spec:
+  template:
+    other: something
+`,
+			expected: `
+apiVersion: custom/v1
+kind: Custom
+metadata:
+  name: cus
+spec:
+  template:
+    other: something
+`,
+			filter: Filter{
+				Replica: types.Replica{
+					Name:  "cus",
+					Count: 42,
+				},
+			},
+			fsslice: types.FsSlice{
+				{
+					Path: "spec/template/replicas",
+				},
+			},
+		},
+		"update multiple fields": {
+			input: `
+apiVersion: custom/v1
+kind: Custom
+metadata:
+  name: cus
+spec:
+  replicas: 5
+  template:
+    replicas: 5
+`,
+			expected: `
+apiVersion: custom/v1
+kind: Custom
+metadata:
+  name: cus
+spec:
+  replicas: 42
+  template:
+    replicas: 42
+`,
+			filter: Filter{
+				Replica: types.Replica{
+					Name:  "cus",
+					Count: 42,
+				},
+			},
+			fsslice: types.FsSlice{
+				{
+					Path: "spec/template/replicas",
+				},
+				{
+					Path: "spec/replicas",
+				},
+			},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			tc.filter.FsSlice = append(config.Replicas, tc.fsslice...)
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expected),
+				strings.TrimSpace(
+					filtertest_test.RunFilter(t, tc.input, tc.filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/filters/valueadd/valueadd.go

@@ -0,0 +1,124 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package valueadd
+
+import (
+	"strings"
+
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// An 'Add' operation aspiring to IETF RFC 6902 JSON.
+//
+// The filter tries to add a value to a node at a particular field path.
+//
+// Kinds of target fields:
+//
+// - Non-existent target field.
+//
+//   The field will be added and the value inserted.
+//
+// - Existing field, scalar or map.
+//
+//   E.g. 'spec/template/spec/containers/[name:nginx]/image'
+//
+//   This behaves like an IETF RFC 6902 Replace operation would;
+//   the existing value is replaced without complaint, even though
+//   this  is an Add operation.  In contrast, a Replace operation
+//   must fail (report an error) if the field doesn't exist.
+//
+// - Existing field, list (array)
+//   Not supported yet.
+//   TODO: Honor fields with RFC-6902-style array indices
+//   TODO: like 'spec/template/spec/containers/2'
+//   TODO: Modify kyaml/yaml/PathGetter to allow this.
+//   The value will be inserted into the array at the given position,
+//   shifting other contents. To instead replace an array entry, use
+//   an implementation of an IETF RFC 6902 Replace operation.
+//
+// For the common case of a filepath in the field value, and a desire
+// to add the value to the filepath (rather than replace the filepath),
+// use a non-zero value of FilePathPosition (see below).
+type Filter struct {
+	// Value is the value to add.
+	//
+	// Empty values are disallowed, i.e. this filter isn't intended
+	// for use in erasing or removing fields. For that, use a filter
+	// more aligned with the IETF RFC 6902 JSON Remove operation.
+	//
+	// At the time of writing, Value's value should be a simple string,
+	// not a JSON document.  This particular filter focuses on easing
+	// injection of a single-sourced cloud project and/or cluster name
+	// into various fields, especially namespace and various filepath
+	// specifications.
+	Value string
+
+	// FieldPath is a JSON-style path to the field intended to hold the value.
+	FieldPath string
+
+	// FilePathPosition is a filepath field index.
+	//
+	// Call the value of this field _i_.
+	//
+	//   If _i_ is zero, negative or unspecified, this field has no effect.
+	//
+	//   If _i_ is > 0, then it's assumed that
+	//   - 'Value' is a string that can work as a directory or file name,
+	//   - the field value intended for replacement holds a filepath.
+	//
+	// The filepath is split into a string slice, the value is inserted
+	// at position [i-1], shifting the rest of the path to the right.
+	// A value of i==1 puts the new value at the start of the path.
+	// This change never converts an absolute path to a relative path,
+	// meaning adding a new field at position i==1 will preserve a
+	// leading slash. E.g. if Value == 'PEACH'
+	//
+	//                  OLD : NEW                    : FilePathPosition
+	//      --------------------------------------------------------
+	//              {empty} : PEACH                  : irrelevant
+	//                    / : /PEACH                 : irrelevant
+	//                  pie : PEACH/pie              : 1 (or less to prefix)
+	//                 /pie : /PEACH/pie             : 1 (or less to prefix)
+	//                  raw : raw/PEACH              : 2 (or more to postfix)
+	//                 /raw : /raw/PEACH             : 2 (or more to postfix)
+	//      a/nice/warm/pie : a/nice/warm/PEACH/pie  : 4
+	//     /a/nice/warm/pie : /a/nice/warm/PEACH/pie : 4
+	//
+	// For robustness (liberal input, conservative output) FilePathPosition
+	// values that that are too large to index the split filepath result in a
+	// postfix rather than an error.  So use 1 to prefix, 9999 to postfix.
+	FilePathPosition int `json:"filePathPosition,omitempty" yaml:"filePathPosition,omitempty"`
+}
+
+var _ kio.Filter = Filter{}
+
+func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
+	_, err := kio.FilterAll(yaml.FilterFunc(
+		func(node *yaml.RNode) (*yaml.RNode, error) {
+			fields := strings.Split(f.FieldPath, "/")
+			// TODO: support SequenceNode.
+			// Presumably here one could look for array indices (digits) at
+			// the end of the field path (as described in IETF RFC 6902 JSON),
+			// and if found, take it as a signal that this should be a
+			// SequenceNode instead of a ScalarNode, and insert the value
+			// into the proper slot, shifting every over.
+			n, err := node.Pipe(yaml.LookupCreate(yaml.ScalarNode, fields...))
+			if err != nil {
+				return node, err
+			}
+			// TODO: allow more kinds
+			if err := yaml.ErrorIfInvalid(n, yaml.ScalarNode); err != nil {
+				return nil, err
+			}
+			newValue := f.Value
+			if f.FilePathPosition > 0 {
+				newValue = filesys.InsertPathPart(
+					n.YNode().Value, f.FilePathPosition-1, newValue)
+			}
+			return n.Pipe(yaml.FieldSetter{StringValue: newValue})
+		})).Filter(nodes)
+	return nodes, err
+}

api/filters/valueadd/valueadd_test.go

@@ -0,0 +1,109 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package valueadd
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
+)
+
+const someResource = `
+kind: SomeKind
+spec:
+  resourceRef:
+    external: projects/whatever
+`
+
+func TestValueAddFilter(t *testing.T) {
+	testCases := map[string]struct {
+		input          string
+		expectedOutput string
+		filter         Filter
+	}{
+		"simpleAdd": {
+			input: `
+kind: SomeKind
+`,
+			expectedOutput: `
+kind: SomeKind
+spec:
+  resourceRef:
+    external: valueAdded
+`,
+			filter: Filter{
+				Value:     "valueAdded",
+				FieldPath: "spec/resourceRef/external",
+			},
+		},
+		"replaceExisting": {
+			input: someResource,
+			expectedOutput: `
+kind: SomeKind
+spec:
+  resourceRef:
+    external: valueAdded
+`,
+			filter: Filter{
+				Value:     "valueAdded",
+				FieldPath: "spec/resourceRef/external",
+			},
+		},
+		"prefixExisting": {
+			input: someResource,
+			expectedOutput: `
+kind: SomeKind
+spec:
+  resourceRef:
+    external: valueAdded/projects/whatever
+`,
+			filter: Filter{
+				Value:            "valueAdded",
+				FieldPath:        "spec/resourceRef/external",
+				FilePathPosition: 1,
+			},
+		},
+		"postfixExisting": {
+			input: someResource,
+			expectedOutput: `
+kind: SomeKind
+spec:
+  resourceRef:
+    external: projects/whatever/valueAdded
+`,
+			filter: Filter{
+				Value:            "valueAdded",
+				FieldPath:        "spec/resourceRef/external",
+				FilePathPosition: 99,
+			},
+		},
+		"placeInMiddleOfExisting": {
+			input: someResource,
+			expectedOutput: `
+kind: SomeKind
+spec:
+  resourceRef:
+    external: projects/valueAdded/whatever
+`,
+			filter: Filter{
+				Value:            "valueAdded",
+				FieldPath:        "spec/resourceRef/external",
+				FilePathPosition: 2,
+			},
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			filter := tc.filter
+			if !assert.Equal(t,
+				strings.TrimSpace(tc.expectedOutput),
+				strings.TrimSpace(filtertest_test.RunFilter(t, tc.input, filter))) {
+				t.FailNow()
+			}
+		})
+	}
+}

api/go.mod

@@ -4,15 +4,18 @@ go 1.13
 
 require (
 	github.com/evanphx/json-patch v4.5.0+incompatible
-	github.com/go-openapi/spec v0.19.4
+	github.com/go-openapi/spec v0.19.5
 	github.com/golangci/golangci-lint v1.21.0
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/pkg/errors v0.8.1
+	github.com/stretchr/testify v1.4.0
+	github.com/yujunz/go-getter v1.4.1-lite
 	golang.org/x/tools v0.0.0-20191010075000-0337d82405ff
-	gopkg.in/yaml.v2 v2.2.4
+	gopkg.in/yaml.v2 v2.2.8
 	k8s.io/api v0.17.0
 	k8s.io/apimachinery v0.17.0
 	k8s.io/client-go v0.17.0
 	k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a
-	sigs.k8s.io/yaml v1.1.0
+	sigs.k8s.io/kustomize/kyaml v0.1.10
+	sigs.k8s.io/yaml v1.2.0
 )

api/go.sum

@@ -1,6 +1,7 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+github.com/360EntSecGroup-Skylar/excelize v1.4.1/go.mod h1:vnax29X2usfl7HHkBrX5EvSCJcmH3dT9luvxzu8iGAE=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
 github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
@@ -14,6 +15,7 @@ github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb0
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/OpenPeeDeeP/depguard v1.0.1 h1:VlW4R6jmBIv3/u1JNlawEvJMM4J+dPORPaZasQee8Us=
 github.com/OpenPeeDeeP/depguard v1.0.1/go.mod h1:xsIw86fROiiwelg+jB2uM9PiKihMMmUx/1V+TNhjQvM=
+github.com/PuerkitoBio/goquery v1.5.0/go.mod h1:qD2PgZ9lccMbQlc7eEOjaeRlFQON7xY8kdmcsrnKqMg=
 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=
@@ -23,12 +25,18 @@ github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdko
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/andybalholm/cascadia v1.0.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d h1:xDfNPAt8lFiC1UJrqV3uuy861HCTo708pDMbjHHdCas=
+github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ00z/TKoufEY6K/a0k6AhaJrQKdFe6OfVXsa4=
 github.com/bombsimon/wsl v1.2.5 h1:9gTOkIwVtoDZywvX802SDHokeX4kW1cKnV8ZTVAPkRs=
 github.com/bombsimon/wsl v1.2.5/go.mod h1:43lEF/i0kpXbLCeDXL9LMT8c92HyBywXb0AsgMHYngM=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
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@@ -37,6 +45,7 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
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@@ -45,6 +54,7 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
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@@ -59,6 +69,8 @@ github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2H
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@@ -74,8 +86,8 @@ github.com/go-openapi/jsonreference v0.0.0-20160704190145-13c6e3589ad9/go.mod h1
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@@ -176,6 +188,12 @@ github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:Fecb
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@@ -205,7 +223,6 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
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@@ -225,9 +242,12 @@ github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE
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@@ -237,6 +257,7 @@ github.com/modern-go/reflect2 v0.0.0-20180320133207-05fbef0ca5da/go.mod h1:bx2lN
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@@ -251,6 +272,7 @@ github.com/onsi/ginkgo v1.10.1/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+
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@@ -269,18 +291,23 @@ github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
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@@ -295,6 +322,8 @@ github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
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@@ -310,6 +339,7 @@ github.com/stretchr/objx v0.2.0 h1:Hbg2NidpLE8veEBkEZTL3CvlkUIVzuU9jDplZO54c48=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/testify v0.0.0-20151208002404-e3a8ff8ce365/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.2.3-0.20181224173747-660f15d67dbb/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
@@ -318,6 +348,8 @@ github.com/timakin/bodyclose v0.0.0-20190930140734-f7f2e9bca95e/go.mod h1:Qimiff
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
+github.com/ulikunitz/xz v0.5.5 h1:pFrO0lVpTBXLpYw+pnLj6TbvHuyjXMfjGeCwSqCVwok=
+github.com/ulikunitz/xz v0.5.5/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
 github.com/ultraware/funlen v0.0.2 h1:Av96YVBwwNSe4MLR7iI/BIa3VyI7/djnto/pK3Uxbdo=
 github.com/ultraware/funlen v0.0.2/go.mod h1:Dp4UiAus7Wdb9KUZsYWZEWiRzGuM2kXM1lPbfaF6xhA=
 github.com/ultraware/whitespace v0.0.4 h1:If7Va4cM03mpgrNH9k49/VOicWpGoG70XPBFFODYDsg=
@@ -329,9 +361,15 @@ github.com/valyala/fasthttp v1.2.0/go.mod h1:4vX61m6KN+xDduDNwXrhIAVZaZaZiQ1luJk
 github.com/valyala/quicktemplate v1.2.0/go.mod h1:EH+4AkTd43SvgIbQHYu59/cJyxDoOVRUAfrukLPuGJ4=
 github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
+github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca h1:1CFlNzQhALwjS9mBAUkycX616GzgsuYUOCHA5+HSlXI=
+github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
+github.com/yujunz/go-getter v1.4.1-lite h1:FhvNc94AXMZkfqUwfMKhnQEC9phkphSGdPTL7tIdhOM=
+github.com/yujunz/go-getter v1.4.1-lite/go.mod h1:sbmqxXjyLunH1PkF3n7zSlnVeMvmYUuIl9ZVs/7NyCc=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
+go.starlark.net v0.0.0-20190528202925-30ae18b8564f/go.mod h1:c1/X6cHgvdXj6pUlmWKMkuqRnW4K8x2vwt6JAaaircg=
+go.starlark.net v0.0.0-20200306205701-8dd3e2ee1dd5/go.mod h1:nmDLcffg48OtT/PSW0Hg7FvpRQsQh5OSqIylirxKC7o=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
@@ -340,7 +378,6 @@ golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -350,6 +387,7 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -367,6 +405,8 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 h1:rjwSpXsdiK0dV8/Naq3kAw9ymfAeJIyd0upUIElB+lI=
 golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b h1:0mm1VjtFUOIlE1SbDlwjYaDxZVDP2S5ou6y0gSgXHu8=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -387,10 +427,11 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190922100055-0a153f010e69 h1:rOhMmluY6kLMhdnrivzec6lLgaVbMHMn2ISQXJeJ5EM=
 golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191002063906-3421d5a6bb1c h1:Vco5b+cuG5NNfORVxZy6bYZQ7rsigisU1WQFkvQ0L5E=
+golang.org/x/sys v0.0.0-20191002063906-3421d5a6bb1c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -412,8 +453,6 @@ golang.org/x/tools v0.0.0-20190311215038-5c2858a9cfe5/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190322203728-c1a832b0ad89/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190521203540-521d6ed310dd/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59 h1:QjA/9ArTfVTLfEhClDCG7SGrZkZixxWpwNCDiwJfh88=
-golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190719005602-e377ae9d6386/go.mod h1:jcCCGcm9btYwXyDqrUWc6MKQKKGJCWEQ3AfLSRIbEuI=
 golang.org/x/tools v0.0.0-20190910044552-dd2b5c81c578/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -448,6 +487,12 @@ 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=
+gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
+gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2 h1:XZx7nhd5GMaZpmDaEHFVafUZC7ya0fuo7cSJ3UCKYmM=
+gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
@@ -472,8 +517,12 @@ mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphD
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
 mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f h1:Cq7MalBHYACRd6EesksG1Q8EoIAKOsiZviGKbOLIej4=
 mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw=
+sigs.k8s.io/kustomize/kyaml v0.1.10 h1:ZZfBnA/kYa9ZxUFIgI9oq3pWKzzA1gGOKgU0Hv/NhVg=
+sigs.k8s.io/kustomize/kyaml v0.1.10/go.mod h1:mPmeBSRy0LTMv6fSrYSoi2yIFNZVouGKDsTekE5kdhs=
 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=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4 h1:JPJh2pk3+X4lXAkZIk2RuE/7/FoK9maXw+TNPJhVS/c=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

api/ifc/ifc.go

@@ -75,14 +75,8 @@ type KunstructuredFactory interface {
 	SliceFromBytes([]byte) ([]Kunstructured, error)
 	FromMap(m map[string]interface{}) Kunstructured
 	Hasher() KunstructuredHasher
-	MakeConfigMap(
-		kvLdr KvLoader,
-		options *types.GeneratorOptions,
-		args *types.ConfigMapArgs) (Kunstructured, error)
-	MakeSecret(
-		kvLdr KvLoader,
-		options *types.GeneratorOptions,
-		args *types.SecretArgs) (Kunstructured, error)
+	MakeConfigMap(kvLdr KvLoader, args *types.ConfigMapArgs) (Kunstructured, error)
+	MakeSecret(kvLdr KvLoader, args *types.SecretArgs) (Kunstructured, error)
 }
 
 // KunstructuredHasher returns a hash of the argument

api/image/image.go

@@ -0,0 +1,50 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package image
+
+import (
+	"regexp"
+	"strings"
+)
+
+// IsImageMatched returns true if the value of t is identical to the
+// image name in the full image name and tag as given by s.
+func IsImageMatched(s, t string) bool {
+	// Tag values are limited to [a-zA-Z0-9_.{}-].
+	// Some tools like Bazel rules_k8s allow tag patterns with {} characters.
+	// More info: https://github.com/bazelbuild/rules_k8s/pull/423
+	pattern, _ := regexp.Compile("^" + t + "(@sha256)?(:[a-zA-Z0-9_.{}-]*)?$")
+	return pattern.MatchString(s)
+}
+
+// Split separates and returns the name and tag parts
+// from the image string using either colon `:` or at `@` separators.
+// Note that the returned tag keeps its separator.
+func Split(imageName string) (name string, tag string) {
+	// check if image name contains a domain
+	// if domain is present, ignore domain and check for `:`
+	ic := -1
+	if slashIndex := strings.Index(imageName, "/"); slashIndex < 0 {
+		ic = strings.LastIndex(imageName, ":")
+	} else {
+		lastIc := strings.LastIndex(imageName[slashIndex:], ":")
+		// set ic only if `:` is present
+		if lastIc > 0 {
+			ic = slashIndex + lastIc
+		}
+	}
+	ia := strings.LastIndex(imageName, "@")
+	if ic < 0 && ia < 0 {
+		return imageName, ""
+	}
+
+	i := ic
+	if ia > 0 {
+		i = ia
+	}
+
+	name = imageName[:i]
+	tag = imageName[i:]
+	return
+}

api/image/image_test.go

@@ -0,0 +1,80 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package image
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIsImageMatched(t *testing.T) {
+	testCases := []struct {
+		testName  string
+		value     string
+		name      string
+		isMatched bool
+	}{
+		{
+			testName:  "identical",
+			value:     "nginx",
+			name:      "nginx",
+			isMatched: true,
+		},
+		{
+			testName:  "name is match",
+			value:     "nginx:12345",
+			name:      "nginx",
+			isMatched: true,
+		},
+		{
+			testName:  "name is not a match",
+			value:     "apache:12345",
+			name:      "nginx",
+			isMatched: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.testName, func(t *testing.T) {
+			assert.Equal(t, tc.isMatched, IsImageMatched(tc.value, tc.name))
+		})
+	}
+}
+
+func TestSplit(t *testing.T) {
+	testCases := []struct {
+		testName string
+		value    string
+		name     string
+		tag      string
+	}{
+		{
+			testName: "no tag",
+			value:    "nginx",
+			name:     "nginx",
+			tag:      "",
+		},
+		{
+			testName: "with tag",
+			value:    "nginx:1.2.3",
+			name:     "nginx",
+			tag:      ":1.2.3",
+		},
+		{
+			testName: "with digest",
+			value:    "nginx@12345",
+			name:     "nginx",
+			tag:      "@12345",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.testName, func(t *testing.T) {
+			name, tag := Split(tc.value)
+			assert.Equal(t, tc.name, name)
+			assert.Equal(t, tc.tag, tag)
+		})
+	}
+}

api/internal/accumulator/refvartransformer.go

@@ -40,7 +40,11 @@ func (rv *refVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 	case []interface{}:
 		var xs []interface{}
 		for _, a := range in.([]interface{}) {
-			xs = append(xs, expansion2.Expand(a.(string), rv.mappingFunc))
+			x, ok := a.(string)
+			if !ok {
+				return nil, fmt.Errorf("expected array of strings, found %v", in)
+			}
+			xs = append(xs, expansion2.Expand(x, rv.mappingFunc))
 		}
 		return xs, nil
 	case map[string]interface{}:
@@ -49,7 +53,7 @@ func (rv *refVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 		for k, v := range inMap {
 			s, ok := v.(string)
 			if !ok {
-				// This field not contain a $(VAR) since it is not
+				// This field can not contain a $(VAR) since it is not
 				// of string type. For instance .spec.replicas: 3 in
 				// a Deployment object
 				xs[k] = v
@@ -64,7 +68,7 @@ func (rv *refVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 	case interface{}:
 		s, ok := in.(string)
 		if !ok {
-			// This field not contain a $(VAR) since it is not of string type.
+			// This field can not contain a $(VAR) since it is not of string type.
 			return in, nil
 		}
 		// This field can potentially contain a $(VAR) since it is

api/internal/accumulator/refvartransformer_test.go

@@ -29,6 +29,7 @@ func TestRefVarTransformer(t *testing.T) {
 		description string
 		given       given
 		expected    expected
+		errMessage  string
 	}{
 		{
 			description: "var replacement in map[string]",
@@ -111,6 +112,27 @@ func TestRefVarTransformer(t *testing.T) {
 				unused: []string{"BAR"},
 			},
 		},
+		{
+			description: "var replacement panic in map[string]",
+			given: given{
+				varMap: map[string]interface{}{},
+				fs: []types.FieldSpec{
+					{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/slice"},
+				},
+				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{}{
+							"slice": []interface{}{5}, // noticeably *not* a []string
+						}}).ResMap(),
+			},
+			errMessage: "expected array of strings, found [5]",
+		},
 	}
 
 	for _, tc := range testCases {
@@ -122,16 +144,23 @@ func TestRefVarTransformer(t *testing.T) {
 			err := tr.Transform(tc.given.res)
 
 			// assert
-			if err != nil {
-				t.Errorf("unexpected error: %v", err)
-			}
+			if tc.errMessage != "" {
+				if err == nil {
+					t.Fatalf("missing expected error %v", tc.errMessage)
+				} else if err.Error() != tc.errMessage {
+					t.Fatalf("actual error doesn't match expected error: \nACTUAL: %v\nEXPECTED: %v", err.Error(), tc.errMessage)
+				}
+			} else {
+				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)
+				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/crawl/go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/kustomize/api/internal/crawl
 
-go 1.12
+go 1.13
 
 require (
 	github.com/elastic/go-elasticsearch/v6 v6.8.5
@@ -8,6 +8,8 @@ require (
 	github.com/gorilla/mux v1.7.3
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79
 	github.com/rs/cors v1.7.0
-	sigs.k8s.io/kustomize/api v0.3.1
-	sigs.k8s.io/yaml v1.1.0
+	sigs.k8s.io/kustomize/api v0.0.0
+	sigs.k8s.io/yaml v1.2.0
 )
+
+replace sigs.k8s.io/kustomize/api v0.0.0 => ../../../api

api/internal/crawl/go.sum

@@ -1,6 +1,7 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+github.com/360EntSecGroup-Skylar/excelize v1.4.1/go.mod h1:vnax29X2usfl7HHkBrX5EvSCJcmH3dT9luvxzu8iGAE=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
 github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
@@ -12,6 +13,7 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/OpenPeeDeeP/depguard v1.0.1/go.mod h1:xsIw86fROiiwelg+jB2uM9PiKihMMmUx/1V+TNhjQvM=
+github.com/PuerkitoBio/goquery v1.5.0/go.mod h1:qD2PgZ9lccMbQlc7eEOjaeRlFQON7xY8kdmcsrnKqMg=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 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=
@@ -19,11 +21,17 @@ github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdko
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/andybalholm/cascadia v1.0.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d h1:xDfNPAt8lFiC1UJrqV3uuy861HCTo708pDMbjHHdCas=
+github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ00z/TKoufEY6K/a0k6AhaJrQKdFe6OfVXsa4=
 github.com/bombsimon/wsl v1.2.5/go.mod h1:43lEF/i0kpXbLCeDXL9LMT8c92HyBywXb0AsgMHYngM=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -32,6 +40,7 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 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=
@@ -40,6 +49,7 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
+github.com/dustmop/soup v1.1.2-0.20190516214245-38228baa104e/go.mod h1:CgNC6SGbT+Xb8wGGvzilttZL1mc5sQ/5KkcxsZttMIk=
 github.com/elastic/go-elasticsearch/v6 v6.8.5 h1:U2HtkBseC1FNBmDr0TR2tKltL6FxoY+niDAlj5M8TK8=
 github.com/elastic/go-elasticsearch/v6 v6.8.5/go.mod h1:UwaDJsD3rWLM5rKNFzv9hgox93HoX8utj1kxD9aFUcI=
 github.com/elazarl/goproxy v0.0.0-20170405201442-c4fc26588b6e/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
@@ -53,6 +63,7 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
 github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-critic/go-critic v0.3.5-0.20190904082202-d79a9f0c64db/go.mod h1:+sE8vrLDS2M0pZkBk0wy6+nLdKexVDrl/jBqQOTDThA=
+github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-lintpack/lintpack v0.5.2/go.mod h1:NwZuYi2nUHho8XEIZ6SIxihrnPoqBTDqfpXvXAN0sXM=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
@@ -65,7 +76,7 @@ github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34
 github.com/go-openapi/jsonreference v0.0.0-20160704190145-13c6e3589ad9/go.mod h1:W3Z9FmVs9qj+KR4zFKmDPGiLdk1D9Rlm7cyMvf57TTg=
 github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc=
 github.com/go-openapi/spec v0.0.0-20160808142527-6aced65f8501/go.mod h1:J8+jY1nAiCcj+friV/PDoE1/3eeccG9LYBs0tYvLOWc=
-github.com/go-openapi/spec v0.19.4/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo=
+github.com/go-openapi/spec v0.19.5/go.mod h1:Hm2Jr4jv8G1ciIAo+frC/Ft+rR2kQDh8JHKHb3gWUSk=
 github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dpr1UfpPtxFw+EFuQ41HhCWZfha5jSVRG7C7I=
 github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
@@ -143,6 +154,12 @@ github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79/go.mod h1:Fecb
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
+github.com/hashicorp/go-cleanhttp v0.5.0 h1:wvCrVc9TjDls6+YGAF2hAifE1E5U1+b4tH6KdvN3Gig=
+github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
+github.com/hashicorp/go-safetemp v1.0.0 h1:2HR189eFNrjHQyENnQMMpCiBAsRxzbTMIgBhEyExpmo=
+github.com/hashicorp/go-safetemp v1.0.0/go.mod h1:oaerMy3BhqiTbVye6QuFhFtIceqFoDHxNAB65b+Rj1I=
+github.com/hashicorp/go-version v1.1.0 h1:bPIoEKD27tNdebFGGxxYwcL4nepeY4j1QP23PFRGzg0=
+github.com/hashicorp/go-version v1.1.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
@@ -168,7 +185,6 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA=
 github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
@@ -183,8 +199,12 @@ github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVc
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/goveralls v0.0.2/go.mod h1:8d1ZMHsd7fW6IRPKQh46F2WRpyib5/X4FOpevwGNQEw=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
+github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
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@@ -193,6 +213,7 @@ github.com/modern-go/reflect2 v0.0.0-20180320133207-05fbef0ca5da/go.mod h1:bx2lN
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
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+github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
 github.com/mozilla/tls-observatory v0.0.0-20190404164649-a3c1b6cfecfd/go.mod h1:SrKMQvPiws7F7iqYp8/TX+IhxCYhzr6N/1yb8cwHsGk=
 github.com/munnerz/goautoneg v0.0.0-20120707110453-a547fc61f48d/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
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@@ -206,6 +227,7 @@ github.com/onsi/ginkgo v1.10.1/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+
 github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
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+github.com/paulmach/orb v0.1.3/go.mod h1:VFlX/8C+IQ1p6FTRRKzKoOPJnvEtA5G0Veuqwbu//Vk=
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 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -223,17 +245,21 @@ github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
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 github.com/shurcooL/go-goon v0.0.0-20170922171312-37c2f522c041/go.mod h1:N5mDOmsrJOB+vfqUK+7DmDyjhSLIIBnXo9lvZJj3MWQ=
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@@ -243,6 +269,7 @@ github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B
 github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
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 github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
+github.com/spf13/cobra v1.0.0/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
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 github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
@@ -255,6 +282,7 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
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@@ -262,6 +290,8 @@ github.com/timakin/bodyclose v0.0.0-20190930140734-f7f2e9bca95e/go.mod h1:Qimiff
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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+github.com/ulikunitz/xz v0.5.5 h1:pFrO0lVpTBXLpYw+pnLj6TbvHuyjXMfjGeCwSqCVwok=
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@@ -270,9 +300,14 @@ github.com/valyala/fasthttp v1.2.0/go.mod h1:4vX61m6KN+xDduDNwXrhIAVZaZaZiQ1luJk
 github.com/valyala/quicktemplate v1.2.0/go.mod h1:EH+4AkTd43SvgIbQHYu59/cJyxDoOVRUAfrukLPuGJ4=
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+go.starlark.net v0.0.0-20190528202925-30ae18b8564f/go.mod h1:c1/X6cHgvdXj6pUlmWKMkuqRnW4K8x2vwt6JAaaircg=
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@@ -281,7 +316,6 @@ golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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@@ -291,6 +325,7 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
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@@ -308,6 +343,8 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLL
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+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b h1:0mm1VjtFUOIlE1SbDlwjYaDxZVDP2S5ou6y0gSgXHu8=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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@@ -328,10 +365,11 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
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 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -353,7 +391,6 @@ golang.org/x/tools v0.0.0-20190311215038-5c2858a9cfe5/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190322203728-c1a832b0ad89/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190521203540-521d6ed310dd/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190719005602-e377ae9d6386/go.mod h1:jcCCGcm9btYwXyDqrUWc6MKQKKGJCWEQ3AfLSRIbEuI=
 golang.org/x/tools v0.0.0-20190910044552-dd2b5c81c578/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -387,6 +424,10 @@ 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=
+gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
@@ -407,9 +448,10 @@ k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl
 mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
 mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw=
-sigs.k8s.io/kustomize/api v0.3.1 h1:oqMIXvS6tFEUVuKIRUKDa05eC4Hh+cb9JYg8Zhp2d24=
-sigs.k8s.io/kustomize/api v0.3.1/go.mod h1:A+ATnlHqzictQfQC1q3KB/T6MSr0UWQsrrLxMWkge2E=
+sigs.k8s.io/kustomize/kyaml v0.1.10/go.mod h1:mPmeBSRy0LTMv6fSrYSoi2yIFNZVouGKDsTekE5kdhs=
 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=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

api/internal/k8sdeps/configmapandsecret/configmapfactory.go

@@ -25,8 +25,7 @@ func makeFreshConfigMap(
 }
 
 // MakeConfigMap returns a new ConfigMap, or nil and an error.
-func (f *Factory) MakeConfigMap(
-	args *types.ConfigMapArgs) (*corev1.ConfigMap, error) {
+func (f *Factory) MakeConfigMap(args *types.ConfigMapArgs) (*corev1.ConfigMap, error) {
 	all, err := f.kvLdr.Load(args.KvPairSources)
 	if err != nil {
 		return nil, errors.Wrap(err, "loading KV pairs")
@@ -38,7 +37,7 @@ func (f *Factory) MakeConfigMap(
 			return nil, errors.Wrap(err, "trouble mapping")
 		}
 	}
-	f.setLabelsAndAnnnotations(cm, args.GeneratorOptions)
+	f.copyLabelsAndAnnotations(cm, args.Options)
 	return cm, nil
 }
 

api/internal/k8sdeps/configmapandsecret/configmapfactory_test.go

@@ -82,7 +82,6 @@ func TestConstructConfigMap(t *testing.T) {
 	type testCase struct {
 		description string
 		input       types.ConfigMapArgs
-		options     *types.GeneratorOptions
 		expected    *corev1.ConfigMap
 	}
 
@@ -99,7 +98,6 @@ func TestConstructConfigMap(t *testing.T) {
 					},
 				},
 			},
-			options:  nil,
 			expected: makeEnvConfigMap("envConfigMap"),
 		},
 		{
@@ -115,7 +113,6 @@ func TestConstructConfigMap(t *testing.T) {
 					},
 				},
 			},
-			options:  nil,
 			expected: makeFileConfigMap("fileConfigMap"),
 		},
 		{
@@ -126,11 +123,11 @@ func TestConstructConfigMap(t *testing.T) {
 					KvPairSources: types.KvPairSources{
 						LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
 					},
-				},
-			},
-			options: &types.GeneratorOptions{
-				Labels: map[string]string{
-					"foo": "bar",
+					Options: &types.GeneratorOptions{
+						Labels: map[string]string{
+							"foo": "bar",
+						},
+					},
 				},
 			},
 			expected: makeLiteralConfigMap("literalConfigMap", map[string]string{
@@ -145,7 +142,7 @@ func TestConstructConfigMap(t *testing.T) {
 					KvPairSources: types.KvPairSources{
 						LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
 					},
-					GeneratorOptions: &types.GeneratorOptions{
+					Options: &types.GeneratorOptions{
 						Labels: map[string]string{
 							"foo": "changed",
 							"cat": "dog",
@@ -157,18 +154,6 @@ func TestConstructConfigMap(t *testing.T) {
 					},
 				},
 			},
-			options: &types.GeneratorOptions{
-				Labels: map[string]string{
-					"foo": "bar",
-				},
-				Annotations: map[string]string{
-					"foo": "bar",
-				},
-			},
-			// GeneratorOptions from the ConfigMapArgs take precedence over the
-			// factory level GeneratorOptions and should overwrite
-			// labels/annotations set in the factory level if there are common
-			// labels/annotations
 			expected: makeLiteralConfigMap("literalConfigMap", map[string]string{
 				"foo": "changed",
 				"cat": "dog",
@@ -193,8 +178,7 @@ func TestConstructConfigMap(t *testing.T) {
 		loader.NewFileLoaderAtRoot(fSys),
 		valtest_test.MakeFakeValidator())
 	for _, tc := range testCases {
-		f := NewFactory(kvLdr, tc.options)
-		cm, err := f.MakeConfigMap(&tc.input)
+		cm, err := NewFactory(kvLdr).MakeConfigMap(&tc.input)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)
 		}

api/internal/k8sdeps/configmapandsecret/factory.go

@@ -11,44 +11,26 @@ import (
 
 // Factory makes ConfigMaps and Secrets.
 type Factory struct {
-	kvLdr   ifc.KvLoader
-	options *types.GeneratorOptions
+	kvLdr ifc.KvLoader
 }
 
 // NewFactory returns a new factory that makes ConfigMaps and Secrets.
-func NewFactory(
-	kvLdr ifc.KvLoader, o *types.GeneratorOptions) *Factory {
-	return &Factory{kvLdr: kvLdr, options: o}
+func NewFactory(kvLdr ifc.KvLoader) *Factory {
+	return &Factory{kvLdr: kvLdr}
 }
 
-// setLabelsAndAnnnotations will take the labels and annotations from
-// global GeneratorOptions and resource level GeneratorOptions and merge them
-// with the resource level taking precedence, and then set them on the provided
-// obj.
-func (f *Factory) setLabelsAndAnnnotations(obj metav1.Object, opts *types.GeneratorOptions) {
-	labels := make(map[string]string)
-	annotations := make(map[string]string)
-	if f.options != nil {
-		for k, v := range f.options.Labels {
-			labels[k] = v
-		}
-		for k, v := range f.options.Annotations {
-			annotations[k] = v
-		}
+// copyLabelsAndAnnotations copies labels and annotations from
+// GeneratorOptions into the given object.
+func (f *Factory) copyLabelsAndAnnotations(
+	obj metav1.Object, opts *types.GeneratorOptions) {
+	if opts == nil {
+		return
 	}
-	if opts != nil {
-		for k, v := range opts.Labels {
-			labels[k] = v
-		}
-		for k, v := range opts.Annotations {
-			annotations[k] = v
-		}
+	if opts.Labels != nil {
+		obj.SetLabels(types.CopyMap(opts.Labels))
 	}
-	if len(labels) != 0 {
-		obj.SetLabels(labels)
-	}
-	if len(annotations) != 0 {
-		obj.SetAnnotations(annotations)
+	if opts.Annotations != nil {
+		obj.SetAnnotations(types.CopyMap(opts.Annotations))
 	}
 }
 

api/internal/k8sdeps/configmapandsecret/secretfactory.go

@@ -26,8 +26,7 @@ func makeFreshSecret(
 }
 
 // MakeSecret returns a new secret.
-func (f *Factory) MakeSecret(
-	args *types.SecretArgs) (*corev1.Secret, error) {
+func (f *Factory) MakeSecret(args *types.SecretArgs) (*corev1.Secret, error) {
 	all, err := f.kvLdr.Load(args.KvPairSources)
 	if err != nil {
 		return nil, err
@@ -39,7 +38,7 @@ func (f *Factory) MakeSecret(
 			return nil, err
 		}
 	}
-	f.setLabelsAndAnnnotations(s, args.GeneratorOptions)
+	f.copyLabelsAndAnnotations(s, args.Options)
 	return s, nil
 }
 

api/internal/k8sdeps/configmapandsecret/secretfactory_test.go

@@ -79,7 +79,6 @@ func TestConstructSecret(t *testing.T) {
 	type testCase struct {
 		description string
 		input       types.SecretArgs
-		options     *types.GeneratorOptions
 		expected    *corev1.Secret
 	}
 
@@ -94,7 +93,6 @@ func TestConstructSecret(t *testing.T) {
 					},
 				},
 			},
-			options:  nil,
 			expected: makeEnvSecret("envSecret"),
 		},
 		{
@@ -107,7 +105,6 @@ func TestConstructSecret(t *testing.T) {
 					},
 				},
 			},
-			options:  nil,
 			expected: makeFileSecret("fileSecret"),
 		},
 		{
@@ -118,55 +115,22 @@ func TestConstructSecret(t *testing.T) {
 					KvPairSources: types.KvPairSources{
 						LiteralSources: []string{"a=x", "b=y"},
 					},
-				},
-			},
-			options: &types.GeneratorOptions{
-				Labels: map[string]string{
-					"foo": "bar",
+					Options: &types.GeneratorOptions{
+						Labels: map[string]string{
+							"foo": "bar",
+						},
+						Annotations: map[string]string{
+							"fruit": "banana",
+							"pet":   "dog",
+						},
+					},
 				},
 			},
 			expected: makeLiteralSecret("literalSecret", map[string]string{
 				"foo": "bar",
-			}, nil),
-		},
-		{
-			description: "construct secret from literal with GeneratorOptions in SecretArgs",
-			input: types.SecretArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "literalSecret",
-					KvPairSources: types.KvPairSources{
-						LiteralSources: []string{"a=x", "b=y"},
-					},
-					GeneratorOptions: &types.GeneratorOptions{
-						Labels: map[string]string{
-							"foo": "changed",
-							"cat": "dog",
-						},
-						Annotations: map[string]string{
-							"foo": "changed",
-							"cat": "dog",
-						},
-					},
-				},
-			},
-			options: &types.GeneratorOptions{
-				Labels: map[string]string{
-					"foo": "bar",
-				},
-				Annotations: map[string]string{
-					"foo": "bar",
-				},
-			},
-			// GeneratorOptions from the SecretArgs take precedence over the
-			// factory level GeneratorOptions and should overwrite
-			// labels/annotations set in the factory level if there are common
-			// labels/annotations
-			expected: makeLiteralSecret("literalSecret", map[string]string{
-				"foo": "changed",
-				"cat": "dog",
 			}, map[string]string{
-				"foo": "changed",
-				"cat": "dog",
+				"fruit": "banana",
+				"pet":   "dog",
 			}),
 		},
 	}
@@ -178,7 +142,7 @@ func TestConstructSecret(t *testing.T) {
 		loader.NewFileLoaderAtRoot(fSys),
 		valtest_test.MakeFakeValidator())
 	for _, tc := range testCases {
-		f := NewFactory(kvLdr, tc.options)
+		f := NewFactory(kvLdr)
 		cm, err := f.MakeSecret(&tc.input)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)

api/internal/plugins/builtinhelpers/builtinplugintype_string.go

@@ -13,21 +13,21 @@ func _() {
 	_ = 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]
+	_ = x[LabelTransformer-5]
+	_ = x[LegacyOrderTransformer-6]
+	_ = x[NamespaceTransformer-7]
+	_ = x[PatchJson6902Transformer-8]
+	_ = x[PatchStrategicMergeTransformer-9]
+	_ = x[PatchTransformer-10]
+	_ = x[PrefixSuffixTransformer-11]
+	_ = x[ReplicaCountTransformer-12]
+	_ = x[SecretGenerator-13]
+	_ = x[ValueAddTransformer-14]
 }
 
-const _BuiltinPluginType_name = "UnknownAnnotationsTransformerConfigMapGeneratorHashTransformerImageTagTransformerInventoryTransformerLabelTransformerLegacyOrderTransformerNamespaceTransformerPatchJson6902TransformerPatchStrategicMergeTransformerPatchTransformerPrefixSuffixTransformerReplicaCountTransformerSecretGenerator"
+const _BuiltinPluginType_name = "UnknownAnnotationsTransformerConfigMapGeneratorHashTransformerImageTagTransformerLabelTransformerLegacyOrderTransformerNamespaceTransformerPatchJson6902TransformerPatchStrategicMergeTransformerPatchTransformerPrefixSuffixTransformerReplicaCountTransformerSecretGeneratorValueAddTransformer"
 
-var _BuiltinPluginType_index = [...]uint16{0, 7, 29, 47, 62, 81, 101, 117, 139, 159, 183, 213, 229, 252, 275, 290}
+var _BuiltinPluginType_index = [...]uint16{0, 7, 29, 47, 62, 81, 97, 119, 139, 163, 193, 209, 232, 255, 270, 289}
 
 func (i BuiltinPluginType) String() string {
 	if i < 0 || i >= BuiltinPluginType(len(_BuiltinPluginType_index)-1) {

api/internal/plugins/builtinhelpers/builtins.go

@@ -17,7 +17,6 @@ const (
 	ConfigMapGenerator
 	HashTransformer
 	ImageTagTransformer
-	InventoryTransformer
 	LabelTransformer
 	LegacyOrderTransformer
 	NamespaceTransformer
@@ -27,6 +26,7 @@ const (
 	PrefixSuffixTransformer
 	ReplicaCountTransformer
 	SecretGenerator
+	ValueAddTransformer
 )
 
 var stringToBuiltinPluginTypeMap map[string]BuiltinPluginType
@@ -63,7 +63,6 @@ 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,
@@ -72,4 +71,5 @@ var TransformerFactories = map[BuiltinPluginType]func() resmap.TransformerPlugin
 	PatchTransformer:               builtins.NewPatchTransformerPlugin,
 	PrefixSuffixTransformer:        builtins.NewPrefixSuffixTransformerPlugin,
 	ReplicaCountTransformer:        builtins.NewReplicaCountTransformerPlugin,
+	ValueAddTransformer:            builtins.NewValueAddTransformerPlugin,
 }

api/internal/plugins/compiler/compiler.go

@@ -6,143 +6,85 @@ package compiler
 import (
 	"bytes"
 	"fmt"
+	"log"
 	"os"
 	"os/exec"
 	"path/filepath"
-	"runtime"
 	"strings"
 	"time"
 
 	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/api/filesys"
-	"sigs.k8s.io/kustomize/api/konfig"
 )
 
 // Compiler creates Go plugin object files.
-//
-// Source code is read from
-//   ${srcRoot}/${g}/${v}/${k}.go
-//
-// Object code is written to
-//   ${objRoot}/${g}/${v}/${k}.so
 type Compiler struct {
-	srcRoot string
-	objRoot string
-}
-
-// DeterminePluginSrcRoot guesses where the user
-// has her ${g}/${v}/$lower(${k})/${k}.go files.
-func DeterminePluginSrcRoot(fSys filesys.FileSystem) (string, error) {
-	return konfig.FirstDirThatExistsElseError(
-		"source directory", fSys, []konfig.NotedFunc{
-			{
-				Note: "relative to unit test",
-				F: func() string {
-					return filepath.Clean(
-						filepath.Join(
-							os.Getenv("PWD"),
-							"..", "..",
-							konfig.RelPluginHome))
-				},
-			},
-			{
-				Note: "relative to unit test (internal pkg)",
-				F: func() string {
-					return filepath.Clean(
-						filepath.Join(
-							os.Getenv("PWD"),
-							"..", "..", "..", "..",
-							konfig.RelPluginHome))
-				},
-			},
-			{
-				Note: "relative to api package",
-				F: func() string {
-					return filepath.Clean(
-						filepath.Join(
-							os.Getenv("PWD"),
-							"..", "..", "..",
-							konfig.RelPluginHome))
-				},
-			},
-			{
-				Note: "old style $GOPATH",
-				F: func() string {
-					return filepath.Join(
-						os.Getenv("GOPATH"),
-						"src", konfig.DomainName,
-						konfig.ProgramName, konfig.RelPluginHome)
-				},
-			},
-			{
-				Note: "HOME with literal 'gopath'",
-				F: func() string {
-					return filepath.Join(
-						konfig.HomeDir(), "gopath",
-						"src", konfig.DomainName,
-						konfig.ProgramName, konfig.RelPluginHome)
-				},
-			},
-			{
-				Note: "home directory",
-				F: func() string {
-					return filepath.Join(
-						konfig.HomeDir(), konfig.DomainName,
-						konfig.ProgramName, konfig.RelPluginHome)
-				},
-			},
-		})
+	// pluginRoot is where the user
+	// has her ${g}/${v}/$lower(${k})/${k}.go files.
+	pluginRoot string
+	// Where compilation happens.
+	workDir string
+	// Used as the root file name for src and object.
+	rawKind string
+	// Capture compiler output.
+	stderr bytes.Buffer
+	// Capture compiler output.
+	stdout bytes.Buffer
 }
 
 // NewCompiler returns a new compiler instance.
-func NewCompiler(srcRoot, objRoot string) *Compiler {
-	return &Compiler{srcRoot: srcRoot, objRoot: objRoot}
+func NewCompiler(root string) *Compiler {
+	return &Compiler{pluginRoot: root}
 }
 
-// ObjRoot is root of compilation target tree.
-func (b *Compiler) ObjRoot() string {
-	return b.objRoot
+// Set GVK converts g,v,k tuples to file path components.
+func (b *Compiler) SetGVK(g, v, k string) {
+	b.rawKind = k
+	b.workDir = filepath.Join(b.pluginRoot, g, v, strings.ToLower(k))
 }
 
-// SrcRoot is where to find src.
-func (b *Compiler) SrcRoot() string {
-	return b.srcRoot
+func (b *Compiler) srcPath() string {
+	return filepath.Join(b.workDir, b.rawKind+".go")
 }
 
-func goBin() string {
-	return filepath.Join(runtime.GOROOT(), "bin", "go")
+func (b *Compiler) objFile() string {
+	return b.rawKind + ".so"
 }
 
-// Compile reads ${srcRoot}/${g}/${v}/${k}.go
-//    and writes ${objRoot}/${g}/${v}/${k}.so
-func (b *Compiler) Compile(g, v, k string) error {
-	lowK := strings.ToLower(k)
-	objDir := filepath.Join(b.objRoot, g, v, lowK)
-	objFile := filepath.Join(objDir, k) + ".so"
-	if RecentFileExists(objFile) {
-		// Skip rebuilding it.
+// Absolute path to the compiler output (the .so file).
+func (b *Compiler) ObjPath() string {
+	return filepath.Join(b.workDir, b.objFile())
+}
+
+// Cleanup provides a hook to delete the .so file.
+// Ignore errors.
+func (b *Compiler) Cleanup() {
+	_ = os.Remove(b.ObjPath())
+}
+
+// Compile changes its working directory to
+// ${pluginRoot}/${g}/${v}/$lower(${k} and places
+// object code next to source code.
+func (b *Compiler) Compile() error {
+	if FileYoungerThan(b.ObjPath(), 8*time.Second) {
+		// Skip rebuilding it, to save time in a plugin test file
+		// that has many distinct calls to make a harness and compile
+		// the plugin (only the first compile will happen).
+		// Make it a short time to avoid tricking someone who's actively
+		// developing a plugin.
 		return nil
 	}
-	err := os.MkdirAll(objDir, os.ModePerm)
-	if err != nil {
-		return err
-	}
-	srcFile := filepath.Join(b.srcRoot, g, v, lowK, k) + ".go"
-	if !FileExists(srcFile) {
-		// Handy for tests of lone plugins.
-		s := k + ".go"
-		if !FileExists(s) {
-			return fmt.Errorf(
-				"cannot find source at '%s' or '%s'", srcFile, s)
-
-		}
-		srcFile = s
+	if !FileExists(b.srcPath()) {
+		return fmt.Errorf("cannot  find source at '%s'", b.srcPath())
 	}
+	// If you use an IDE, make sure it's go build and test flags
+	// match those used below.  Same goes for Makefile targets.
 	commands := []string{
 		"build",
+		// "-trimpath",  This flag used to make it better, now it makes it worse,
+		//               see https://github.com/golang/go/issues/31354
 		"-buildmode",
 		"plugin",
-		"-o", objFile, srcFile,
+		"-o", b.objFile(),
 	}
 	goBin := goBin()
 	if !FileExists(goBin) {
@@ -150,34 +92,26 @@ func (b *Compiler) Compile(g, v, k string) error {
 			"cannot find go compiler %s", goBin)
 	}
 	cmd := exec.Command(goBin, commands...)
-	var stderr bytes.Buffer
-	cmd.Stderr = &stderr
+	b.stderr.Reset()
+	cmd.Stderr = &b.stderr
+	b.stdout.Reset()
+	cmd.Stdout = &b.stdout
 	cmd.Env = os.Environ()
+	cmd.Dir = b.workDir
 	if err := cmd.Run(); err != nil {
+		b.report()
 		return errors.Wrapf(
-			err, "cannot compile %s:\nSTDERR\n%s\n", srcFile, stderr.String())
+			err, "cannot compile %s:\nSTDERR\n%s\n",
+			b.srcPath(), b.stderr.String())
 	}
 	return nil
 }
 
-// True if file less than 3 minutes old, i.e. not
-// accidentally left over from some earlier build.
-func RecentFileExists(path string) bool {
-	fi, err := os.Stat(path)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return false
-		}
-	}
-	age := time.Since(fi.ModTime())
-	return age.Minutes() < 3
-}
-
-func FileExists(name string) bool {
-	if _, err := os.Stat(name); err != nil {
-		if os.IsNotExist(err) {
-			return false
-		}
-	}
-	return true
+func (b *Compiler) report() {
+	log.Println("stdout:  -------")
+	log.Println(b.stdout.String())
+	log.Println("----------------")
+	log.Println("stderr:  -------")
+	log.Println(b.stderr.String())
+	log.Println("----------------")
 }

api/internal/plugins/compiler/compiler_test.go

@@ -4,8 +4,6 @@
 package compiler_test
 
 import (
-	"io/ioutil"
-	"os"
 	"path/filepath"
 	"testing"
 
@@ -15,53 +13,46 @@ import (
 
 // Regression coverage over compiler behavior.
 func TestCompiler(t *testing.T) {
-	configRoot, err := ioutil.TempDir("", "kustomize-compiler-test")
-	if err != nil {
-		t.Errorf("failed to make temp dir: %v", err)
-	}
 	srcRoot, err := DeterminePluginSrcRoot(filesys.MakeFsOnDisk())
 	if err != nil {
 		t.Error(err)
 	}
-	c := NewCompiler(srcRoot, configRoot)
-	if configRoot != c.ObjRoot() {
-		t.Errorf("unexpected objRoot %s", c.ObjRoot())
-	}
+	c := NewCompiler(srcRoot)
 
+	c.SetGVK("someteam.example.com", "v1", "DatePrefixer")
 	expectObj := filepath.Join(
-		c.ObjRoot(),
-		"someteam.example.com", "v1", "dateprefixer", "DatePrefixer.so")
-	if FileExists(expectObj) {
-		t.Errorf("obj file should not exist yet: %s", expectObj)
+		srcRoot, "someteam.example.com", "v1", "dateprefixer", "DatePrefixer.so")
+	if expectObj != c.ObjPath() {
+		t.Errorf("Expected '%s', got '%s'", expectObj, c.ObjPath())
 	}
-	err = c.Compile("someteam.example.com", "v1", "DatePrefixer")
+	err = c.Compile()
 	if err != nil {
 		t.Error(err)
 	}
-	if !RecentFileExists(expectObj) {
+	if !FileExists(expectObj) {
 		t.Errorf("didn't find expected obj file %s", expectObj)
 	}
+	c.Cleanup()
+	if FileExists(expectObj) {
+		t.Errorf("obj file '%s' should be gone", expectObj)
+	}
 
+	c.SetGVK("builtin", "", "SecretGenerator")
 	expectObj = filepath.Join(
-		c.ObjRoot(),
+		srcRoot,
 		"builtin", "", "secretgenerator", "SecretGenerator.so")
-	if FileExists(expectObj) {
-		t.Errorf("obj file should not exist yet: %s", expectObj)
+	if expectObj != c.ObjPath() {
+		t.Errorf("Expected '%s', got '%s'", expectObj, c.ObjPath())
 	}
-	err = c.Compile("builtin", "", "SecretGenerator")
+	err = c.Compile()
 	if err != nil {
 		t.Error(err)
 	}
-	if !RecentFileExists(expectObj) {
+	if !FileExists(expectObj) {
 		t.Errorf("didn't find expected obj file %s", expectObj)
 	}
-
-	err = os.RemoveAll(c.ObjRoot())
-	if err != nil {
-		t.Errorf(
-			"removing temp dir: %s %v", c.ObjRoot(), err)
-	}
+	c.Cleanup()
 	if FileExists(expectObj) {
-		t.Errorf("cleanup failed; still see: %s", expectObj)
+		t.Errorf("obj file '%s' should be gone", expectObj)
 	}
 }

api/internal/plugins/compiler/utils.go

@@ -0,0 +1,115 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package compiler
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"time"
+
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/konfig"
+)
+
+func goBin() string {
+	return filepath.Join(runtime.GOROOT(), "bin", "go")
+}
+
+// DeterminePluginSrcRoot guesses where the user
+// has her ${g}/${v}/$lower(${k})/${k}.go files.
+func DeterminePluginSrcRoot(fSys filesys.FileSystem) (string, error) {
+	return konfig.FirstDirThatExistsElseError(
+		"source directory", fSys, []konfig.NotedFunc{
+			{
+				Note: "relative to unit test",
+				F: func() string {
+					return filepath.Clean(
+						filepath.Join(
+							os.Getenv("PWD"),
+							"..", "..",
+							konfig.RelPluginHome))
+				},
+			},
+			{
+				Note: "relative to unit test (internal pkg)",
+				F: func() string {
+					return filepath.Clean(
+						filepath.Join(
+							os.Getenv("PWD"),
+							"..", "..", "..", "..",
+							konfig.RelPluginHome))
+				},
+			},
+			{
+				Note: "relative to api package",
+				F: func() string {
+					return filepath.Clean(
+						filepath.Join(
+							os.Getenv("PWD"),
+							"..", "..", "..",
+							konfig.RelPluginHome))
+				},
+			},
+			{
+				Note: "old style $GOPATH",
+				F: func() string {
+					return filepath.Join(
+						os.Getenv("GOPATH"),
+						"src", konfig.DomainName,
+						konfig.ProgramName, konfig.RelPluginHome)
+				},
+			},
+			{
+				Note: "HOME with literal 'gopath'",
+				F: func() string {
+					return filepath.Join(
+						konfig.HomeDir(), "gopath",
+						"src", konfig.DomainName,
+						konfig.ProgramName, konfig.RelPluginHome)
+				},
+			},
+			{
+				Note: "home directory",
+				F: func() string {
+					return filepath.Join(
+						konfig.HomeDir(), konfig.DomainName,
+						konfig.ProgramName, konfig.RelPluginHome)
+				},
+			},
+		})
+}
+
+// FileYoungerThan returns true if the file both exists and has an
+// age is <= the Duration argument.
+func FileYoungerThan(path string, d time.Duration) bool {
+	fi, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return time.Since(fi.ModTime()) <= d
+}
+
+// FileModifiedAfter returns true if the file both exists and was
+// modified after the given time..
+func FileModifiedAfter(path string, t time.Time) bool {
+	fi, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return fi.ModTime().After(t)
+}
+
+func FileExists(path string) bool {
+	if _, err := os.Stat(path); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}

api/internal/plugins/compiler/utils_test.go

@@ -0,0 +1,26 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package compiler
+
+import (
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"sigs.k8s.io/kustomize/api/filesys"
+)
+
+func TestDeterminePluginSrcRoot(t *testing.T) {
+	actual, err := DeterminePluginSrcRoot(filesys.MakeFsOnDisk())
+	if err != nil {
+		t.Error(err)
+	}
+	if !filepath.IsAbs(actual) {
+		t.Errorf("expected absolute path, but got '%s'", actual)
+	}
+	expectedSuffix := filepath.Join("sigs.k8s.io", "kustomize", "plugin")
+	if !strings.HasSuffix(actual, expectedSuffix) {
+		t.Errorf("expected suffix '%s' in '%s'", expectedSuffix, actual)
+	}
+}

api/internal/plugins/doc.go

@@ -94,7 +94,7 @@ TO GENERATE CODE
   cd $repo/plugin/builtin
   go generate ./...
 
-See travis/pre-commit.sh for canonical way
+See travis/kyaml-pre-commit.sh for canonical way
 to execute the above.
 
 This creates

api/internal/plugins/execplugin/execplugin.go

@@ -266,8 +266,9 @@ func (p *ExecPlugin) UpdateResourceOptions(rm resmap.ResMap) (resmap.ResMap, err
 		}
 		r.SetAnnotations(annotations)
 		r.SetOptions(types.NewGenArgs(
-			&types.GeneratorArgs{Behavior: behavior},
-			&types.GeneratorOptions{DisableNameSuffixHash: !needsHash}))
+			&types.GeneratorArgs{
+				Behavior: behavior,
+				Options:  &types.GeneratorOptions{DisableNameSuffixHash: !needsHash}}))
 	}
 	return rm, nil
 }

api/internal/plugins/execplugin/execplugin_test.go

@@ -116,7 +116,9 @@ func makeConfigMapOptions(rf *resource.Factory, name, behavior string, disableHa
 		"apiVersion": "v1",
 		"kind":       "ConfigMap",
 		"metadata":   map[string]interface{}{"name": name},
-	}, &types.GeneratorArgs{Behavior: behavior}, &types.GeneratorOptions{DisableNameSuffixHash: disableHash})
+	}, &types.GeneratorArgs{
+		Behavior: behavior,
+		Options:  &types.GeneratorOptions{DisableNameSuffixHash: disableHash}})
 }
 
 func strptr(s string) *string {

api/internal/plugins/loader/loader.go

@@ -22,6 +22,7 @@ import (
 	"sigs.k8s.io/kustomize/api/types"
 )
 
+// Loader loads plugins using a file loader (a different loader).
 type Loader struct {
 	pc *types.PluginConfig
 	rf *resmap.Factory
@@ -107,17 +108,35 @@ func isBuiltinPlugin(res *resource.Resource) bool {
 }
 
 func (l *Loader) loadAndConfigurePlugin(
-	ldr ifc.Loader, v ifc.Validator, res *resource.Resource) (c resmap.Configurable, err error) {
+	ldr ifc.Loader,
+	v ifc.Validator,
+	res *resource.Resource) (c resmap.Configurable, err error) {
 	if isBuiltinPlugin(res) {
-		// Instead of looking for and loading a .so file, just
-		// instantiate the plugin from a generated factory
-		// function (see "pluginator").  Being able to do this
-		// is what makes a plugin "builtin".
-		c, err = l.makeBuiltinPlugin(res.GetGvk())
-	} else if l.pc.PluginRestrictions == types.PluginRestrictionsNone {
-		c, err = l.loadPlugin(res.OrgId())
+		switch l.pc.BpLoadingOptions {
+		case types.BploLoadFromFileSys:
+			c, err = l.loadPlugin(res.OrgId())
+		case types.BploUseStaticallyLinked:
+			// Instead of looking for and loading a .so file,
+			// instantiate the plugin from a generated factory
+			// function (see "pluginator").  Being able to do this
+			// is what makes a plugin "builtin".
+			c, err = l.makeBuiltinPlugin(res.GetGvk())
+		default:
+			err = fmt.Errorf(
+				"unknown plugin loader behavior specified: %v",
+				l.pc.BpLoadingOptions)
+		}
 	} else {
-		err = types.NewErrOnlyBuiltinPluginsAllowed(res.OrgId().Kind)
+		switch l.pc.PluginRestrictions {
+		case types.PluginRestrictionsNone:
+			c, err = l.loadPlugin(res.OrgId())
+		case types.PluginRestrictionsBuiltinsOnly:
+			err = types.NewErrOnlyBuiltinPluginsAllowed(res.OrgId().Kind)
+		default:
+			err = fmt.Errorf(
+				"unknown plugin restriction specified: %v",
+				l.pc.PluginRestrictions)
+		}
 	}
 	if err != nil {
 		return nil, err

api/internal/plugins/loader/loader_test.go

@@ -15,6 +15,7 @@ import (
 	"sigs.k8s.io/kustomize/api/resource"
 	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
 	valtest_test "sigs.k8s.io/kustomize/api/testutils/valtest"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 const (
@@ -58,22 +59,26 @@ func TestLoader(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	c, err := konfig.EnabledPluginConfig()
-	if err != nil {
-		t.Fatal(err)
-	}
-	pLdr := NewLoader(c, rmF)
-	if pLdr == nil {
-		t.Fatal("expect non-nil loader")
-	}
-	m, err := rmF.NewResMapFromBytes([]byte(
+	generatorConfigs, err := rmF.NewResMapFromBytes([]byte(
 		someServiceGenerator + "---\n" + secretGenerator))
 	if err != nil {
 		t.Fatal(err)
 	}
-	_, err = pLdr.LoadGenerators(
-		fLdr, valtest_test.MakeFakeValidator(), m)
-	if err != nil {
-		t.Fatal(err)
+	for _, behavior := range []types.BuiltinPluginLoadingOptions{
+		types.BploUseStaticallyLinked,
+		types.BploLoadFromFileSys} {
+		c, err := konfig.EnabledPluginConfig(behavior)
+		if err != nil {
+			t.Fatal(err)
+		}
+		pLdr := NewLoader(c, rmF)
+		if pLdr == nil {
+			t.Fatal("expect non-nil loader")
+		}
+		_, err = pLdr.LoadGenerators(
+			fLdr, valtest_test.MakeFakeValidator(), generatorConfigs)
+		if err != nil {
+			t.Fatal(err)
+		}
 	}
 }

api/internal/target/kusttarget.go

@@ -106,15 +106,10 @@ func unmarshal(y []byte, o interface{}) error {
 // MakeCustomizedResMap creates a fully customized ResMap
 // per the instructions contained in its kustomiztion instance.
 func (kt *KustTarget) MakeCustomizedResMap() (resmap.ResMap, error) {
-	return kt.makeCustomizedResMap(types.GarbageIgnore)
+	return kt.makeCustomizedResMap()
 }
 
-func (kt *KustTarget) MakePruneConfigMap() (resmap.ResMap, error) {
-	return kt.makeCustomizedResMap(types.GarbageCollect)
-}
-
-func (kt *KustTarget) makeCustomizedResMap(
-	garbagePolicy types.GarbagePolicy) (resmap.ResMap, error) {
+func (kt *KustTarget) makeCustomizedResMap() (resmap.ResMap, error) {
 	ra, err := kt.AccumulateTarget()
 	if err != nil {
 		return nil, err
@@ -141,11 +136,6 @@ func (kt *KustTarget) makeCustomizedResMap(
 		return nil, err
 	}
 
-	err = kt.computeInventory(ra, garbagePolicy)
-	if err != nil {
-		return nil, err
-	}
-
 	return ra.ResMap(), nil
 }
 
@@ -159,35 +149,6 @@ func (kt *KustTarget) addHashesToNames(
 	return ra.Transform(p)
 }
 
-func (kt *KustTarget) computeInventory(
-	ra *accumulator.ResAccumulator, garbagePolicy types.GarbagePolicy) error {
-	inv := kt.kustomization.Inventory
-	if inv == nil {
-		return nil
-	}
-	if inv.Type != "ConfigMap" {
-		return fmt.Errorf("don't know how to do that")
-	}
-
-	if inv.ConfigMap.Namespace != kt.kustomization.Namespace {
-		return fmt.Errorf("namespace mismatch")
-	}
-
-	var c struct {
-		Policy           string
-		types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty"`
-	}
-	c.Name = inv.ConfigMap.Name
-	c.Namespace = inv.ConfigMap.Namespace
-	c.Policy = garbagePolicy.String()
-	p := builtins.NewInventoryTransformerPlugin()
-	err := kt.configureBuiltinPlugin(p, c, builtinhelpers.InventoryTransformer)
-	if err != nil {
-		return err
-	}
-	return ra.Transform(p)
-}
-
 // AccumulateTarget returns a new ResAccumulator,
 // holding customized resources and the data/rules used
 // to do so.  The name back references and vars are
@@ -364,7 +325,8 @@ func (kt *KustTarget) configureBuiltinPlugin(
 	}
 	err = p.Config(resmap.NewPluginHelpers(kt.ldr, kt.validator, kt.rFactory), y)
 	if err != nil {
-		return errors.Wrapf(err, "builtin %s config: %v", bpt, y)
+		return errors.Wrapf(
+			err, "trouble configuring builtin %s with config: `\n%s`", bpt, string(y))
 	}
 	return nil
 }

api/internal/target/kusttarget_configplugin.go

@@ -4,6 +4,8 @@
 package target
 
 import (
+	"fmt"
+
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinhelpers"
 	"sigs.k8s.io/kustomize/api/resmap"
@@ -74,14 +76,12 @@ var generatorConfigurators = map[builtinhelpers.BuiltinPluginType]func(
 	builtinhelpers.SecretGenerator: func(kt *KustTarget, bpt builtinhelpers.BuiltinPluginType, f gFactory) (
 		result []resmap.Generator, err error) {
 		var c struct {
-			types.GeneratorOptions
 			types.SecretArgs
 		}
-		if kt.kustomization.GeneratorOptions != nil {
-			c.GeneratorOptions = *kt.kustomization.GeneratorOptions
-		}
 		for _, args := range kt.kustomization.SecretGenerator {
 			c.SecretArgs = args
+			c.SecretArgs.Options = types.MergeGlobalOptionsIntoLocal(
+				c.SecretArgs.Options, kt.kustomization.GeneratorOptions)
 			p := f()
 			err := kt.configureBuiltinPlugin(p, c, bpt)
 			if err != nil {
@@ -95,14 +95,12 @@ var generatorConfigurators = map[builtinhelpers.BuiltinPluginType]func(
 	builtinhelpers.ConfigMapGenerator: func(kt *KustTarget, bpt builtinhelpers.BuiltinPluginType, f gFactory) (
 		result []resmap.Generator, err error) {
 		var c struct {
-			types.GeneratorOptions
 			types.ConfigMapArgs
 		}
-		if kt.kustomization.GeneratorOptions != nil {
-			c.GeneratorOptions = *kt.kustomization.GeneratorOptions
-		}
 		for _, args := range kt.kustomization.ConfigMapGenerator {
 			c.ConfigMapArgs = args
+			c.ConfigMapArgs.Options = types.MergeGlobalOptionsIntoLocal(
+				c.ConfigMapArgs.Options, kt.kustomization.GeneratorOptions)
 			p := f()
 			err := kt.configureBuiltinPlugin(p, c, bpt)
 			if err != nil {
@@ -294,4 +292,10 @@ var transformerConfigurators = map[builtinhelpers.BuiltinPluginType]func(
 		}
 		return
 	},
+	// No kustomization file keyword for this yet.
+	builtinhelpers.ValueAddTransformer: func(
+		kt *KustTarget, bpt builtinhelpers.BuiltinPluginType, f tFactory, tc *builtinconfig.TransformerConfig) (
+		result []resmap.Transformer, err error) {
+		return nil, fmt.Errorf("valueadd keyword not yet defined")
+	},
 }

api/internal/target/kusttarget_test.go

@@ -7,7 +7,6 @@ import (
 	"encoding/base64"
 	"testing"
 
-	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
 	"sigs.k8s.io/kustomize/api/resmap"
@@ -19,8 +18,7 @@ import (
 // high level tests.
 
 func TestMakeCustomizedResMap(t *testing.T) {
-	fSys := filesys.MakeFsInMemory()
-	th := kusttest_test.MakeHarnessWithFs(t, fSys)
+	th := kusttest_test.MakeHarness(t)
 	th.WriteK("/whatever", `
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
@@ -168,7 +166,7 @@ metadata:
 	}
 
 	actual, err := makeKustTargetWithRf(
-		t, fSys, "/whatever", resFactory).MakeCustomizedResMap()
+		t, th.GetFSys(), "/whatever", resFactory).MakeCustomizedResMap()
 	if err != nil {
 		t.Fatalf("unexpected Resources error %v", err)
 	}

api/inventory/constants.go

@@ -1,12 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package inventory
-
-const (
-	// Annotation that contains the inventory content.
-	ContentAnnotation = "kustomize.config.k8s.io/Inventory"
-
-	// Annotation for inventory content hash.
-	HashAnnotation = "kustomize.config.k8s.io/InventoryHash"
-)

api/inventory/inventory.go

@@ -1,235 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package inventory
-
-import (
-	"encoding/json"
-
-	"sigs.k8s.io/kustomize/api/resid"
-)
-
-//Refs is a reference map.  Each key is the id
-//of a k8s resource, and each value is a list of
-//object ids that refer back to the object in the
-//key.
-
-//For example, the key could correspond to a
-//ConfigMap, and the list of values might include
-//several different Deployments that get data from
-//that ConfigMap (and thus refer to it).
-
-//References are important in inventory management
-//because one may not delete an object before all
-//objects referencing it have been removed.
-type Refs map[resid.ResId][]resid.ResId
-
-func NewRefs() Refs {
-	return Refs{}
-}
-
-// Merge merges a Refs into an existing Refs
-func (rf Refs) Merge(b Refs) Refs {
-	for key, value := range b {
-		_, ok := rf[key]
-		if ok {
-			rf[key] = append(rf[key], value...)
-		} else {
-			rf[key] = value
-		}
-	}
-	return rf
-}
-
-// removeIfContains removes the reference relationship
-//  a --> b
-// from the Refs if it exists
-func (rf Refs) RemoveIfContains(a, b resid.ResId) {
-	refs, ok := rf[a]
-	if !ok {
-		return
-	}
-	for i, ref := range refs {
-		if ref.Equals(b) {
-			rf[a] = append(refs[:i], refs[i+1:]...)
-			break
-		}
-	}
-}
-
-//Inventory is a an object intended for
-//serialization into the annotations of a so-called
-//apply-root object (a ConfigMap, an Application,
-//etc.) living in the cluster.  This apply-root
-//object is written as part of an apply operation as
-//a means to record overall cluster state changes.
-
-//At the end of a successful apply, the "current"
-//field in Inventory will be a map whose keys all
-//correspond to an object in the cluster, and
-//"previous" will be the previous such set (an empty
-//set on the first apply).
-
-//An Inventory allows the Prune method to work.
-type Inventory struct {
-	Current  Refs `json:"current,omitempty"`
-	Previous Refs `json:"previous,omitempty"`
-}
-
-// NewInventory returns an Inventory object
-func NewInventory() *Inventory {
-	return &Inventory{
-		Current:  NewRefs(),
-		Previous: NewRefs(),
-	}
-}
-
-// UpdateCurrent updates the Inventory given a
-// new current Refs
-// The existing Current refs is merged into
-// the Previous refs
-func (a *Inventory) UpdateCurrent(curref Refs) *Inventory {
-	if len(a.Previous) > 0 {
-		a.Previous.Merge(a.Current)
-	} else {
-		a.Previous = a.Current
-	}
-	a.Current = curref
-	return a
-}
-
-func (a *Inventory) removeNewlyOrphanedItemsFromPrevious() []resid.ResId {
-	var results []resid.ResId
-	for item, refs := range a.Previous {
-		if _, ok := a.Current[item]; ok {
-			delete(a.Previous, item)
-			continue
-		}
-
-		var newRefs []resid.ResId
-		toDelete := true
-		for _, ref := range refs {
-			if _, ok := a.Current[ref]; ok {
-				toDelete = false
-				newRefs = append(newRefs, ref)
-			}
-		}
-		if toDelete {
-			results = append(results, item)
-			delete(a.Previous, item)
-		} else {
-			a.Previous[item] = newRefs
-		}
-	}
-	return results
-}
-
-func (a *Inventory) removeOrphanedItemsFromPreviousThatAreNotInCurrent() []resid.ResId {
-	var results []resid.ResId
-	for item, refs := range a.Previous {
-		if _, ok := a.Current[item]; ok {
-			continue
-		}
-		if len(refs) == 0 {
-			results = append(results, item)
-			delete(a.Previous, item)
-		}
-	}
-	return results
-}
-
-func (a *Inventory) removeOrphanedItemsFromPreviousThatAreInCurrent() {
-	//Remove references from Previous that are already in Current refs
-	for item, refs := range a.Current {
-		for _, ref := range refs {
-			a.Previous.RemoveIfContains(item, ref)
-		}
-	}
-	//Remove items from Previous that are already in Current refs
-	for item, refs := range a.Previous {
-		if len(refs) == 0 {
-			if _, ok := a.Current[item]; ok {
-				delete(a.Previous, item)
-			}
-		}
-	}
-}
-
-// Prune computes the diff of Current refs and Previous refs
-// and returns a list of Items that can be pruned.
-// An item that can be pruned shows up only in Previous refs.
-// Prune also updates the Previous refs with those items removed
-func (a *Inventory) Prune() []resid.ResId {
-	a.removeOrphanedItemsFromPreviousThatAreInCurrent()
-
-	// These are candidates for deletion from the cluster.
-	removable1 := a.removeOrphanedItemsFromPreviousThatAreNotInCurrent()
-	removable2 := a.removeNewlyOrphanedItemsFromPrevious()
-	return append(removable1, removable2...)
-}
-
-// inventory is the internal type used for serialization
-type inventory struct {
-	Current  map[string][]resid.ResId `json:"current,omitempty"`
-	Previous map[string][]resid.ResId `json:"previous,omitempty"`
-}
-
-func (a *Inventory) toInternalType() inventory {
-	prev := map[string][]resid.ResId{}
-	curr := map[string][]resid.ResId{}
-	for id, refs := range a.Current {
-		curr[id.String()] = refs
-	}
-	for id, refs := range a.Previous {
-		prev[id.String()] = refs
-	}
-	return inventory{
-		Current:  curr,
-		Previous: prev,
-	}
-}
-
-func (a *Inventory) fromInternalType(i *inventory) {
-	for s, refs := range i.Previous {
-		a.Previous[resid.FromString(s)] = refs
-	}
-	for s, refs := range i.Current {
-		a.Current[resid.FromString(s)] = refs
-	}
-}
-
-func (a *Inventory) marshal() ([]byte, error) {
-	return json.Marshal(a.toInternalType())
-}
-
-func (a *Inventory) unMarshal(data []byte) error {
-	inv := &inventory{
-		Current:  map[string][]resid.ResId{},
-		Previous: map[string][]resid.ResId{},
-	}
-	err := json.Unmarshal(data, inv)
-	if err != nil {
-		return err
-	}
-	a.fromInternalType(inv)
-	return nil
-}
-
-// UpdateAnnotations update the annotation map
-func (a *Inventory) UpdateAnnotations(annot map[string]string) error {
-	data, err := a.marshal()
-	if err != nil {
-		return err
-	}
-	annot[ContentAnnotation] = string(data)
-	return nil
-}
-
-// LoadFromAnnotation loads the Inventory date from the annotation map
-func (a *Inventory) LoadFromAnnotation(annot map[string]string) error {
-	value, ok := annot[ContentAnnotation]
-	if ok {
-		return a.unMarshal([]byte(value))
-	}
-	return nil
-}

api/inventory/inventory_test.go

@@ -1,60 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package inventory_test
-
-import (
-	"testing"
-
-	. "sigs.k8s.io/kustomize/api/inventory"
-	"sigs.k8s.io/kustomize/api/resid"
-)
-
-func makeRefs() (Refs, Refs) {
-	a := resid.FromString("G1_V1_K1|ns1|nm1")
-	b := resid.FromString("G2_V2_K2|ns2|nm2")
-	c := resid.FromString("G3_V3_K3|ns3|nm3")
-	current := NewRefs()
-	current[a] = []resid.ResId{b, c}
-	current[b] = []resid.ResId{}
-	current[c] = []resid.ResId{}
-	newRefs := NewRefs()
-	newRefs[a] = []resid.ResId{b}
-	newRefs[b] = []resid.ResId{}
-	return current, newRefs
-}
-
-func TestInventory(t *testing.T) {
-	inventory := NewInventory()
-	curref, _ := makeRefs()
-
-	inventory.UpdateCurrent(curref)
-	if len(inventory.Current) != 3 {
-		t.Fatalf("not getting the correct inventory %v", inventory)
-	}
-	curref, newref := makeRefs()
-	inventory.UpdateCurrent(curref)
-	if len(inventory.Current) != 3 {
-		t.Fatalf("not getting the corrent inventory %v", inventory)
-	}
-	if len(inventory.Previous) != 3 {
-		t.Fatalf("not getting the corrent inventory %v", inventory)
-	}
-
-	items := inventory.Prune()
-	if len(items) != 0 {
-		t.Fatalf("not getting the corrent items %v", items)
-	}
-	if len(inventory.Previous) != 0 {
-		t.Fatalf("not getting the corrent inventory %v", inventory)
-	}
-
-	inventory.UpdateCurrent(newref)
-	items = inventory.Prune()
-	if len(items) != 1 {
-		t.Fatalf("not getting the corrent items %v", items)
-	}
-	if len(inventory.Previous) != 0 {
-		t.Fatalf("not getting the corrent inventory %v", inventory.Previous)
-	}
-}

api/k8sdeps/kunstruct/factory.go

@@ -75,11 +75,8 @@ func (kf *KunstructuredFactoryImpl) FromMap(
 
 // MakeConfigMap returns an instance of Kunstructured for ConfigMap
 func (kf *KunstructuredFactoryImpl) MakeConfigMap(
-	kvLdr ifc.KvLoader,
-	options *types.GeneratorOptions,
-	args *types.ConfigMapArgs) (ifc.Kunstructured, error) {
-	o, err := configmapandsecret.NewFactory(
-		kvLdr, options).MakeConfigMap(args)
+	kvLdr ifc.KvLoader, args *types.ConfigMapArgs) (ifc.Kunstructured, error) {
+	o, err := configmapandsecret.NewFactory(kvLdr).MakeConfigMap(args)
 	if err != nil {
 		return nil, err
 	}
@@ -88,11 +85,8 @@ func (kf *KunstructuredFactoryImpl) MakeConfigMap(
 
 // MakeSecret returns an instance of Kunstructured for Secret
 func (kf *KunstructuredFactoryImpl) MakeSecret(
-	kvLdr ifc.KvLoader,
-	options *types.GeneratorOptions,
-	args *types.SecretArgs) (ifc.Kunstructured, error) {
-	o, err := configmapandsecret.NewFactory(
-		kvLdr, options).MakeSecret(args)
+	kvLdr ifc.KvLoader, args *types.SecretArgs) (ifc.Kunstructured, error) {
+	o, err := configmapandsecret.NewFactory(kvLdr).MakeSecret(args)
 	if err != nil {
 		return nil, err
 	}

api/k8sdeps/kunstruct/unstructadapter.go

@@ -133,7 +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, noFieldError{Field: path}
+		return nil, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedFieldNoCopy(
@@ -141,14 +141,14 @@ func (fs *UnstructAdapter) GetFieldValue(path string) (interface{}, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return nil, 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 "", noFieldError{Field: path}
+		return "", NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedString(
@@ -156,14 +156,14 @@ func (fs *UnstructAdapter) GetString(path string) (string, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return "", 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{}, noFieldError{Field: path}
+		return []string{}, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedStringSlice(
@@ -171,14 +171,14 @@ func (fs *UnstructAdapter) GetStringSlice(path string) ([]string, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return []string{}, 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, noFieldError{Field: path}
+		return false, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedBool(
@@ -186,7 +186,7 @@ func (fs *UnstructAdapter) GetBool(path string) (bool, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return false, noFieldError{Field: path}
+	return false, NoFieldError{Field: path}
 }
 
 // GetFloat64 returns value at the given fieldpath.
@@ -201,14 +201,14 @@ func (fs *UnstructAdapter) GetFloat64(path string) (float64, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return 0, 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, noFieldError{Field: path}
+		return 0, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedInt64(
@@ -216,14 +216,14 @@ func (fs *UnstructAdapter) GetInt64(path string) (int64, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return 0, 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, noFieldError{Field: path}
+		return nil, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedSlice(
@@ -231,14 +231,14 @@ func (fs *UnstructAdapter) GetSlice(path string) ([]interface{}, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return nil, 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, noFieldError{Field: path}
+		return nil, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedStringMap(
@@ -246,14 +246,14 @@ func (fs *UnstructAdapter) GetStringMap(path string) (map[string]string, error)
 	if found || err != nil {
 		return s, err
 	}
-	return nil, 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, noFieldError{Field: path}
+		return nil, NoFieldError{Field: path}
 	}
 
 	s, found, err := unstructured.NestedMap(
@@ -261,7 +261,7 @@ func (fs *UnstructAdapter) GetMap(path string) (map[string]interface{}, error) {
 	if found || err != nil {
 		return s, err
 	}
-	return nil, noFieldError{Field: path}
+	return nil, NoFieldError{Field: path}
 }
 
 func (fs *UnstructAdapter) MatchesLabelSelector(selector string) (bool, error) {
@@ -340,11 +340,11 @@ func toSchemaGvk(x resid.Gvk) schema.GroupVersionKind {
 	}
 }
 
-// noFieldError is returned when a field is expected, but missing.
-type noFieldError struct {
+// NoFieldError is returned when a field is expected, but missing.
+type NoFieldError struct {
 	Field string
 }
 
-func (e noFieldError) Error() string {
+func (e NoFieldError) Error() string {
 	return fmt.Sprintf("no field named '%s'", e.Field)
 }

api/konfig/builtinpluginconsts/namereference.go

@@ -345,5 +345,24 @@ nameReference:
     kind: PersistentVolumeClaim
   - path: spec/volumeClaimTemplates/spec/storageClassName
     kind: StatefulSet
+
+- kind: PriorityClass
+  version: v1
+  group: scheduling.k8s.io
+  fieldSpecs:
+  - path: spec/priorityClassName
+    kind: Pod
+  - path: spec/template/spec/priorityClassName
+    kind: StatefulSet
+  - path: spec/template/spec/priorityClassName
+    kind: Deployment
+  - path: spec/template/spec/priorityClassName
+    kind: ReplicationController
+  - path: spec/jobTemplate/spec/template/spec/priorityClassName
+    kind: CronJob
+  - path: spec/template/spec/priorityClassName
+    kind: Job
+  - path: spec/template/spec/priorityClassName
+    kind: DaemonSet
 `
 )

api/konfig/plugins.go

@@ -35,37 +35,46 @@ const (
 	// Domain from which kustomize code is imported, for locating
 	// plugin source code under $GOPATH when GOPATH is defined.
 	DomainName = "sigs.k8s.io"
+
+	// Injected into plugin paths when plugins are disabled.
+	// Provides a clue in flows that shouldn't happen.
+	NoPluginHomeSentinal = "/No/non-builtin/plugins!"
 )
 
-func EnabledPluginConfig() (*types.PluginConfig, error) {
+func EnabledPluginConfig(b types.BuiltinPluginLoadingOptions) (*types.PluginConfig, error) {
 	dir, err := DefaultAbsPluginHome(filesys.MakeFsOnDisk())
 	if err != nil {
 		return nil, err
 	}
-	return MakePluginConfig(types.PluginRestrictionsNone, dir), nil
+	return MakePluginConfig(types.PluginRestrictionsNone, b, dir), nil
 }
 
 func DisabledPluginConfig() *types.PluginConfig {
 	return MakePluginConfig(
-		types.PluginRestrictionsBuiltinsOnly, NoPluginHomeSentinal)
+		types.PluginRestrictionsBuiltinsOnly,
+		types.BploUseStaticallyLinked,
+		NoPluginHomeSentinal)
 }
 
 func MakePluginConfig(
-	pr types.PluginRestrictions, home string) *types.PluginConfig {
+	pr types.PluginRestrictions,
+	b types.BuiltinPluginLoadingOptions,
+	home string) *types.PluginConfig {
 	return &types.PluginConfig{
 		PluginRestrictions: pr,
 		AbsPluginHome:      home,
+		BpLoadingOptions:   b,
 	}
 }
 
-// Use an obviously erroneous path, in case it's accidentally used.
-const NoPluginHomeSentinal = "/no/non-builtin/plugins!"
-
 type NotedFunc struct {
 	Note string
 	F    func() string
 }
 
+// DefaultAbsPluginHome returns the absolute path in the given file
+// system to first directory that looks like a good candidate for
+// the home of kustomize plugins.
 func DefaultAbsPluginHome(fSys filesys.FileSystem) (string, error) {
 	return FirstDirThatExistsElseError(
 		"plugin home directory", fSys, []NotedFunc{

api/krusty/baseandoverlaymedium_test.go

@@ -154,7 +154,6 @@ LEGUME=chickpea
 `)
 	th.WriteF("/app/overlay/configmap/dummy.txt",
 		`Lorem ipsum dolor sit amet, consectetur
- 		 
 adipiscing elit, sed do eiusmod tempor
 incididunt ut labore et dolore magna aliqua. 
 `)
@@ -293,11 +292,8 @@ metadata:
 ---
 apiVersion: v1
 data:
-  nonsense: |
-    Lorem ipsum dolor sit amet, consectetur
-
-    adipiscing elit, sed do eiusmod tempor
-    incididunt ut labore et dolore magna aliqua.
+  nonsense: "Lorem ipsum dolor sit amet, consectetur\nadipiscing elit, sed do eiusmod
+    tempor\nincididunt ut labore et dolore magna aliqua. \n"
 kind: ConfigMap
 metadata:
   annotations:
@@ -306,6 +302,6 @@ metadata:
     app: mungebot
     org: kubernetes
     repo: test-infra
-  name: test-infra-app-config-hh272bg5d4
+  name: test-infra-app-config-f462h769f9
 `)
 }

api/krusty/complexcomposition_test.go

@@ -143,7 +143,8 @@ apiVersion: builtin
 kind: ConfigMapGenerator
 metadata:
   name: my-config
-disableNameSuffixHash: true
+options:
+  disableNameSuffixHash: true
 literals:
 - MY_ENV=foo
 `)

api/krusty/disablenamesuffix_test.go

@@ -12,10 +12,12 @@ import (
 	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
 )
 
-func findSecret(m resmap.ResMap) *resource.Resource {
+func findSecret(m resmap.ResMap, prefix string) *resource.Resource {
 	for _, r := range m.Resources() {
 		if r.OrgId().Kind == "Secret" {
-			return r
+			if prefix == "" || strings.HasPrefix(r.GetName(), prefix) {
+				return r
+			}
 		}
 	}
 	return nil
@@ -77,7 +79,7 @@ metadata:
 
 	m := th.Run("/whatever", th.MakeDefaultOptions())
 
-	secret := findSecret(m)
+	secret := findSecret(m, "")
 	if secret == nil {
 		t.Errorf("Expected to find a Secret")
 	}
@@ -90,7 +92,7 @@ metadata:
 			"disableNameSuffixHash: false",
 			"disableNameSuffixHash: true", -1))
 	m = th.Run("/whatever", th.MakeDefaultOptions())
-	secret = findSecret(m)
+	secret = findSecret(m, "")
 	if secret == nil {
 		t.Errorf("Expected to find a Secret")
 	}
@@ -98,3 +100,47 @@ metadata:
 		t.Errorf("unexpected secret resource name: %s", secret.GetName())
 	}
 }
+func TestDisableNameSuffixHashPerObject(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	const kustomizationContent = `
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+generatorOptions:
+  disableNameSuffixHash: false
+secretGenerator:
+- name: nohash
+  options:
+    disableNameSuffixHash: true
+  literals:
+    - DB_USERNAME=admin
+    - DB_PASSWORD=somepw
+  type: Opaque
+- name: yeshash
+  options:
+    disableNameSuffixHash: false
+  literals:
+    - DB_USERNAME=admin
+    - DB_PASSWORD=somepw
+  type: Opaque
+`
+
+	th.WriteK("/whatever", kustomizationContent)
+
+	m := th.Run("/whatever", th.MakeDefaultOptions())
+
+	secret := findSecret(m, "nohash")
+	if secret == nil {
+		t.Errorf("Expected to find a Secret")
+	}
+	if secret.GetName() != "nohash" {
+		t.Errorf("unexpected secret resource name: %s", secret.GetName())
+	}
+
+	secret = findSecret(m, "yeshash")
+	if secret == nil {
+		t.Errorf("Expected to find a Secret")
+	}
+	if secret.GetName() != "yeshash-mcgcmdcm69" {
+		t.Errorf("unexpected secret resource name: %s", secret.GetName())
+	}
+}