Update kustomize/api/internal/crawl/go.sum

Pin to cmd/config v0.9.4

Makefile

@@ -4,7 +4,7 @@
 # Makefile for kustomize CLI and API.
 
 MYGOBIN := $(shell go env GOPATH)/bin
-SHELL := /bin/bash
+SHELL := /usr/bin/env bash
 export PATH := $(MYGOBIN):$(PATH)
 MODULES := '"cmd/config" "api/" "kustomize/" "kyaml/"'
 
@@ -26,7 +26,8 @@ verify-kustomize: \
 	lint-kustomize \
 	test-unit-kustomize-all \
 	test-examples-kustomize-against-HEAD \
-	test-examples-kustomize-against-3.8.6
+	test-examples-kustomize-against-4.0 \
+	test-examples-kustomize-against-3.10
 
 # The following target referenced by a file in
 # https://github.com/kubernetes/test-infra/tree/master/config/jobs/kubernetes-sigs/kustomize
@@ -38,7 +39,8 @@ prow-presubmit-check: \
 	test-unit-cmd-all \
 	test-go-mod \
 	test-examples-kustomize-against-HEAD \
-	test-examples-kustomize-against-3.8.6
+	test-examples-kustomize-against-4.0 \
+	test-examples-kustomize-against-3.10
 
 .PHONY: verify-kustomize-e2e
 verify-kustomize-e2e: test-examples-e2e-kustomize
@@ -77,6 +79,11 @@ $(MYGOBIN)/gorepomod:
 	cd cmd/gorepomod; \
 	go install .
 
+# Build from local source.
+$(MYGOBIN)/k8scopy:
+	cd cmd/k8scopy; \
+	go install .
+
 # Build from local source.
 $(MYGOBIN)/pluginator:
 	cd cmd/pluginator; \
@@ -96,13 +103,13 @@ $(MYGOBIN)/kustomize:
 install-tools: \
 	$(MYGOBIN)/goimports \
 	$(MYGOBIN)/golangci-lint-kustomize \
-	$(MYGOBIN)/gh \
 	$(MYGOBIN)/gorepomod \
+	$(MYGOBIN)/helm \
+	$(MYGOBIN)/k8scopy \
 	$(MYGOBIN)/mdrip \
 	$(MYGOBIN)/pluginator \
 	$(MYGOBIN)/prchecker \
-	$(MYGOBIN)/stringer \
-	$(MYGOBIN)/helm
+	$(MYGOBIN)/stringer
 
 ### Begin kustomize plugin rules.
 #
@@ -219,7 +226,7 @@ build-kustomize-api: $(builtinplugins)
 	cd api; go build ./...
 
 .PHONY: generate-kustomize-api
-generate-kustomize-api:
+generate-kustomize-api: $(MYGOBIN)/k8scopy
 	cd api; go generate ./...
 
 .PHONY: test-unit-kustomize-api
@@ -274,17 +281,12 @@ test-examples-kustomize-against-HEAD: $(MYGOBIN)/kustomize $(MYGOBIN)/mdrip
 	./hack/testExamplesAgainstKustomize.sh HEAD
 
 .PHONY:
-test-examples-kustomize-against-3.8.6: $(MYGOBIN)/mdrip
-	( \
-		set -e; \
-		tag=v3.8.6; \
-		/bin/rm -f $(MYGOBIN)/kustomize; \
-		echo "Installing kustomize $$tag."; \
-		GO111MODULE=on go get sigs.k8s.io/kustomize/kustomize/v3@$${tag}; \
-		./hack/testExamplesAgainstKustomize.sh $$tag; \
-		echo "Reinstalling kustomize from HEAD."; \
-		cd kustomize; go install .; \
-	)
+test-examples-kustomize-against-4.0: $(MYGOBIN)/mdrip
+	./hack/testExamplesAgainstKustomize.sh v4@v4.0.1
+
+.PHONY:
+test-examples-kustomize-against-3.10: $(MYGOBIN)/mdrip
+	./hack/testExamplesAgainstKustomize.sh v3@v3.10.0
 
 # linux only.
 # This is for testing an example plugin that

api/builtins/AnnotationsTransformer.go

@@ -7,7 +7,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/annotations"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -25,11 +24,14 @@ func (p *AnnotationsTransformerPlugin) Config(
 }
 
 func (p *AnnotationsTransformerPlugin) Transform(m resmap.ResMap) error {
+	if len(p.Annotations) == 0 {
+		return nil
+	}
 	for _, r := range m.Resources() {
-		err := filtersutil.ApplyToJSON(annotations.Filter{
+		err := r.ApplyFilter(annotations.Filter{
 			Annotations: p.Annotations,
 			FsSlice:     p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/HashTransformer.go

@@ -28,6 +28,7 @@ func (p *HashTransformerPlugin) Transform(m resmap.ResMap) error {
 			if err != nil {
 				return err
 			}
+			res.StorePreviousId()
 			res.SetName(fmt.Sprintf("%s-%s", res.GetName(), h))
 		}
 	}

api/builtins/HelmChartInflationGenerator.go

@@ -6,12 +6,15 @@ package builtins
 import (
 	"bytes"
 	"fmt"
+	"io"
+	"io/ioutil"
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 	"regexp"
 	"strings"
 
+	"github.com/imdario/mergo"
 	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/resmap"
@@ -48,7 +51,7 @@ func (p *HelmChartInflationGeneratorPlugin) Config(h *resmap.PluginHelpers, conf
 		return fmt.Errorf("chartName cannot be empty")
 	}
 	if p.ChartHome == "" {
-		p.ChartHome = path.Join(p.tmpDir, "chart")
+		p.ChartHome = filepath.Join(p.tmpDir, "chart")
 	}
 	if p.ChartRepoName == "" {
 		p.ChartRepoName = "stable"
@@ -57,10 +60,13 @@ func (p *HelmChartInflationGeneratorPlugin) Config(h *resmap.PluginHelpers, conf
 		p.HelmBin = "helm"
 	}
 	if p.HelmHome == "" {
-		p.HelmHome = path.Join(p.tmpDir, ".helm")
+		p.HelmHome = filepath.Join(p.tmpDir, ".helm")
 	}
 	if p.Values == "" {
-		p.Values = path.Join(p.ChartHome, p.ChartName, "values.yaml")
+		p.Values = filepath.Join(p.ChartHome, p.ChartName, "values.yaml")
+	}
+	if p.ValuesMerge == "" {
+		p.ValuesMerge = "override"
 	}
 	// runHelmCommand will run `helm` command with args provided. Return stdout
 	// and error if there is any.
@@ -88,6 +94,94 @@ func (p *HelmChartInflationGeneratorPlugin) Config(h *resmap.PluginHelpers, conf
 	return nil
 }
 
+// EncodeValues for writing
+func (p *HelmChartInflationGeneratorPlugin) EncodeValues(w io.Writer) error {
+	d, err := yaml.Marshal(p.ValuesLocal)
+	if err != nil {
+		return err
+	}
+	_, err = w.Write(d)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// useValuesLocal process (merge) inflator config provided values with chart default values.yaml
+func (p *HelmChartInflationGeneratorPlugin) useValuesLocal() error {
+	// not override, merge, none
+	if !(p.ValuesMerge == "none" || p.ValuesMerge == "no" || p.ValuesMerge == "false") {
+		var pValues []byte
+		var err error
+
+		if filepath.IsAbs(p.Values) {
+			pValues, err = ioutil.ReadFile(p.Values)
+		} else {
+			pValues, err = p.h.Loader().Load(p.Values)
+		}
+		if err != nil {
+			return err
+		}
+		chValues := make(map[string]interface{})
+		err = yaml.Unmarshal(pValues, &chValues)
+		if err != nil {
+			return err
+		}
+		if p.ValuesMerge == "override" {
+			err = mergo.Merge(&chValues, p.ValuesLocal, mergo.WithOverride)
+			if err != nil {
+				return err
+			}
+		}
+		if p.ValuesMerge == "merge" {
+			err = mergo.Merge(&chValues, p.ValuesLocal)
+			if err != nil {
+				return err
+			}
+		}
+		p.ValuesLocal = chValues
+	}
+	b, err := yaml.Marshal(p.ValuesLocal)
+	if err != nil {
+		return err
+	}
+	path, err := p.writeValuesBytes(b)
+	if err != nil {
+		return err
+	}
+	p.Values = path
+	return nil
+}
+
+// copyValues will copy the relative values file into the temp directory
+// to avoid messing up with CWD.
+func (p *HelmChartInflationGeneratorPlugin) copyValues() error {
+	// only copy when the values path is not absolute
+	if filepath.IsAbs(p.Values) {
+		return nil
+	}
+	// we must use use loader to read values file
+	b, err := p.h.Loader().Load(p.Values)
+	if err != nil {
+		return err
+	}
+	path, err := p.writeValuesBytes(b)
+	if err != nil {
+		return err
+	}
+	p.Values = path
+	return nil
+}
+
+func (p *HelmChartInflationGeneratorPlugin) writeValuesBytes(b []byte) (string, error) {
+	path := filepath.Join(p.ChartHome, p.ChartName, "kustomize-values.yaml")
+	err := ioutil.WriteFile(path, b, 0644)
+	if err != nil {
+		return "", err
+	}
+	return path, nil
+}
+
 // Generate implements generator
 func (p *HelmChartInflationGeneratorPlugin) Generate() (resmap.ResMap, error) {
 	// cleanup
@@ -104,6 +198,20 @@ func (p *HelmChartInflationGeneratorPlugin) Generate() (resmap.ResMap, error) {
 			return nil, err
 		}
 	}
+
+	// inflator config valuesLocal
+	if len(p.ValuesLocal) > 0 {
+		err := p.useValuesLocal()
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		err := p.copyValues()
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	// render the charts
 	stdout, err := p.runHelmCommand(p.getTemplateCommandArgs())
 	if err != nil {
@@ -118,7 +226,7 @@ func (p *HelmChartInflationGeneratorPlugin) getTemplateCommandArgs() []string {
 	if p.ReleaseName != "" {
 		args = append(args, p.ReleaseName)
 	}
-	args = append(args, path.Join(p.ChartHome, p.ChartName))
+	args = append(args, filepath.Join(p.ChartHome, p.ChartName))
 	if p.ReleaseNamespace != "" {
 		args = append(args, "--namespace", p.ReleaseNamespace)
 	}
@@ -148,7 +256,7 @@ func (p *HelmChartInflationGeneratorPlugin) getPullCommandArgs() []string {
 // checkLocalChart will return true if the chart does exist in
 // local chart home.
 func (p *HelmChartInflationGeneratorPlugin) checkLocalChart() bool {
-	path := path.Join(p.ChartHome, p.ChartName)
+	path := filepath.Join(p.ChartHome, p.ChartName)
 	s, err := os.Stat(path)
 	if err != nil {
 		return false

api/builtins/ImageTagTransformer.go

@@ -11,7 +11,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/imagetag"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -32,17 +31,17 @@ func (p *ImageTagTransformerPlugin) Config(
 func (p *ImageTagTransformerPlugin) Transform(m resmap.ResMap) error {
 	for _, r := range m.Resources() {
 		// traverse all fields at first
-		err := filtersutil.ApplyToJSON(imagetag.LegacyFilter{
+		err := r.ApplyFilter(imagetag.LegacyFilter{
 			ImageTag: p.ImageTag,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}
 		// then use user specified field specs
-		err = filtersutil.ApplyToJSON(imagetag.Filter{
+		err = r.ApplyFilter(imagetag.Filter{
 			ImageTag: p.ImageTag,
 			FsSlice:  p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/LabelTransformer.go

@@ -7,7 +7,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/labels"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -25,11 +24,14 @@ func (p *LabelTransformerPlugin) Config(
 }
 
 func (p *LabelTransformerPlugin) Transform(m resmap.ResMap) error {
+	if len(p.Labels) == 0 {
+		return nil
+	}
 	for _, r := range m.Resources() {
-		err := filtersutil.ApplyToJSON(labels.Filter{
+		err := r.ApplyFilter(labels.Filter{
 			Labels:  p.Labels,
 			FsSlice: p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/NamespaceTransformer.go

@@ -9,7 +9,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/namespace"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -35,10 +34,11 @@ func (p *NamespaceTransformerPlugin) Transform(m resmap.ResMap) error {
 			// Don't mutate empty objects?
 			continue
 		}
-		err := filtersutil.ApplyToJSON(namespace.Filter{
+		r.StorePreviousId()
+		err := r.ApplyFilter(namespace.Filter{
 			Namespace: p.Namespace,
 			FsSlice:   p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/PatchJson6902Transformer.go

@@ -12,7 +12,6 @@ import (
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -79,9 +78,9 @@ func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 		return err
 	}
 	for _, res := range resources {
-		err = filtersutil.ApplyToJSON(patchjson6902.Filter{
+		err = res.ApplyFilter(patchjson6902.Filter{
 			Patch: p.JsonOp,
-		}, res)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/PatchStrategicMergeTransformer.go

@@ -13,7 +13,6 @@ import (
 )
 
 type PatchStrategicMergeTransformerPlugin struct {
-	h             *resmap.PluginHelpers
 	loadedPatches []*resource.Resource
 	Paths         []types.PatchStrategicMerge `json:"paths,omitempty" yaml:"paths,omitempty"`
 	Patches       string                      `json:"patches,omitempty" yaml:"patches,omitempty"`
@@ -21,7 +20,6 @@ type PatchStrategicMergeTransformerPlugin struct {
 
 func (p *PatchStrategicMergeTransformerPlugin) Config(
 	h *resmap.PluginHelpers, c []byte) (err error) {
-	p.h = h
 	err = yaml.Unmarshal(c, p)
 	if err != nil {
 		return err
@@ -36,13 +34,13 @@ func (p *PatchStrategicMergeTransformerPlugin) Config(
 			// All tests pass if this code is commented out.  This code should
 			// be deleted; the user should use the Patches field which
 			// exists for this purpose (inline patch declaration).
-			res, err := p.h.ResmapFactory().RF().SliceFromBytes([]byte(onePath))
+			res, err := h.ResmapFactory().RF().SliceFromBytes([]byte(onePath))
 			if err == nil {
 				p.loadedPatches = append(p.loadedPatches, res...)
 				continue
 			}
-			res, err = p.h.ResmapFactory().RF().SliceFromPatches(
-				p.h.Loader(), []types.PatchStrategicMerge{onePath})
+			res, err = h.ResmapFactory().RF().SliceFromPatches(
+				h.Loader(), []types.PatchStrategicMerge{onePath})
 			if err != nil {
 				return err
 			}
@@ -50,7 +48,7 @@ func (p *PatchStrategicMergeTransformerPlugin) Config(
 		}
 	}
 	if p.Patches != "" {
-		res, err := p.h.ResmapFactory().RF().SliceFromBytes([]byte(p.Patches))
+		res, err := h.ResmapFactory().RF().SliceFromBytes([]byte(p.Patches))
 		if err != nil {
 			return err
 		}
@@ -61,15 +59,16 @@ func (p *PatchStrategicMergeTransformerPlugin) Config(
 		return fmt.Errorf(
 			"patch appears to be empty; files=%v, Patch=%s", p.Paths, p.Patches)
 	}
-	return err
-}
-
-func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error {
-	patches, err := p.h.ResmapFactory().Merge(p.loadedPatches)
+	// Merge the patches, looking for conflicts.
+	_, err = h.ResmapFactory().ConflatePatches(p.loadedPatches)
 	if err != nil {
 		return err
 	}
-	for _, patch := range patches.Resources() {
+	return nil
+}
+
+func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error {
+	for _, patch := range p.loadedPatches {
 		target, err := m.GetById(patch.OrgId())
 		if err != nil {
 			return err

api/builtins/PatchTransformer.go

@@ -12,7 +12,6 @@ import (
 	"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"
 )
 
@@ -105,9 +104,10 @@ func (p *PatchTransformerPlugin) transformJson6902(m resmap.ResMap, patch jsonpa
 		return err
 	}
 	for _, res := range resources {
-		err = filtersutil.ApplyToJSON(patchjson6902.Filter{
+		res.StorePreviousId()
+		err = res.ApplyFilter(patchjson6902.Filter{
 			Patch: p.Patch,
-		}, res)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/PrefixSuffixTransformer.go

@@ -10,7 +10,6 @@ import (
 	"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"
 )
 
@@ -67,14 +66,18 @@ func (p *PrefixSuffixTransformerPlugin) Transform(m resmap.ResMap) error {
 				// this will add a prefix and a suffix
 				// to the resource even if those are
 				// empty
+
 				r.AddNamePrefix(p.Prefix)
 				r.AddNameSuffix(p.Suffix)
+				if p.Prefix != "" || p.Suffix != "" {
+					r.StorePreviousId()
+				}
 			}
-			err := filtersutil.ApplyToJSON(prefixsuffix.Filter{
+			err := r.ApplyFilter(prefixsuffix.Filter{
 				Prefix:    p.Prefix,
 				Suffix:    p.Suffix,
 				FieldSpec: fs,
-			}, r)
+			})
 			if err != nil {
 				return err
 			}

api/builtins/ReplicaCountTransformer.go

@@ -7,8 +7,6 @@ import (
 	"fmt"
 
 	"sigs.k8s.io/kustomize/api/filters/replicacount"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
-
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
@@ -33,19 +31,17 @@ func (p *ReplicaCountTransformerPlugin) Transform(m resmap.ResMap) error {
 	found := false
 	for _, fs := range p.FieldSpecs {
 		matcher := p.createMatcher(fs)
-		matchOriginal := m.GetMatchingResourcesByOriginalId(matcher)
-		resList := append(
-			matchOriginal, m.GetMatchingResourcesByCurrentId(matcher)...)
+		resList := m.GetMatchingResourcesByAnyId(matcher)
 		if len(resList) > 0 {
 			found = true
 			for _, r := range resList {
 				// There are redundant checks in the filter
 				// that we'll live with until resolution of
 				// https://github.com/kubernetes-sigs/kustomize/issues/2506
-				err := filtersutil.ApplyToJSON(replicacount.Filter{
+				err := r.ApplyFilter(replicacount.Filter{
 					Replica:   p.Replica,
 					FieldSpec: fs,
-				}, r)
+				})
 				if err != nil {
 					return err
 				}

api/builtins/ValueAddTransformer.go

@@ -13,7 +13,6 @@ import (
 	"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"
 )
 
@@ -119,15 +118,15 @@ func (p *ValueAddTransformerPlugin) Transform(m resmap.ResMap) (err error) {
 		// TODO: consider t.NotSelector if implemented
 		for _, res := range resources {
 			if t.FieldPath == types.MetadataNamespacePath {
-				err = filtersutil.ApplyToJSON(namespace.Filter{
+				err = res.ApplyFilter(namespace.Filter{
 					Namespace: p.Value,
-				}, res)
+				})
 			} else {
-				err = filtersutil.ApplyToJSON(valueadd.Filter{
+				err = res.ApplyFilter(valueadd.Filter{
 					Value:            p.Value,
 					FieldPath:        t.FieldPath,
 					FilePathPosition: t.FilePathPosition,
-				}, res)
+				})
 			}
 			if err != nil {
 				return err

api/filesys/confirmeddir_test.go

@@ -4,6 +4,7 @@
 package filesys_test
 
 import (
+	"os"
 	"path/filepath"
 	"testing"
 
@@ -98,6 +99,7 @@ func TestNewTempConfirmDir(t *testing.T) {
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
+	defer os.RemoveAll(string(tmp))
 
 	delinked, err := filepath.EvalSymlinks(string(tmp))
 	if err != nil {

api/filters/annotations/annotations.go

@@ -24,7 +24,7 @@ type Filter struct {
 var _ kio.Filter = Filter{}
 
 func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
-	keys := filtersutil.SortedMapKeys(f.Annotations)
+	keys := yaml.SortedMapKeys(f.Annotations)
 	_, err := kio.FilterAll(yaml.FilterFunc(
 		func(node *yaml.RNode) (*yaml.RNode, error) {
 			for _, k := range keys {

api/filters/annotations/example_test.go

@@ -28,7 +28,9 @@ metadata:
 `)}},
 		Filters: []kio.Filter{Filter{
 			Annotations: map[string]string{
-				"foo": "bar",
+				"foo":          "bar",
+				"booleanValue": "true",
+				"numberValue":  "42",
 			},
 			FsSlice: fss,
 		}},
@@ -44,12 +46,16 @@ metadata:
 	// metadata:
 	//   name: instance
 	//   annotations:
+	//     booleanValue: "true"
 	//     foo: bar
+	//     numberValue: "42"
 	// ---
 	// apiVersion: example.com/v1
 	// kind: Bar
 	// metadata:
 	//   name: instance
 	//   annotations:
+	//     booleanValue: "true"
 	//     foo: bar
+	//     numberValue: "42"
 }

api/filters/fieldspec/fieldspec.go

@@ -4,9 +4,11 @@
 package fieldspec
 
 import (
+	"fmt"
 	"strings"
 
 	"sigs.k8s.io/kustomize/api/filters/filtersutil"
+	"sigs.k8s.io/kustomize/api/internal/utils"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/errors"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
@@ -14,7 +16,16 @@ import (
 
 var _ yaml.Filter = Filter{}
 
-// Filter applies a single fieldSpec to a single object
+// Filter possibly mutates its object argument using a FieldSpec.
+// If the object matches the FieldSpec, and the node found
+// by following the fieldSpec's path is non-null, this filter calls
+// the setValue function on the node at the end of the path.
+// If any part of the path doesn't exist, the filter returns
+// without doing anything and without error, unless it was set
+// to create the path. If set to create, it creates a tree of maps
+// along the path, and the leaf node gets the setValue called on it.
+// Error on GVK mismatch, empty or poorly formed path.
+// Filter expect kustomize style paths, not JSON paths.
 // Filter stores internal state and should not be reused
 type Filter struct {
 	// FieldSpec contains the path to the value to set.
@@ -37,44 +48,51 @@ func (fltr Filter) Filter(obj *yaml.RNode) (*yaml.RNode, error) {
 	if match, err := isMatchGVK(fltr.FieldSpec, obj); !match || err != nil {
 		return obj, errors.Wrap(err)
 	}
-	fltr.path = splitPath(fltr.FieldSpec.Path)
-	if err := fltr.filter(obj); err != nil {
+	fltr.path = utils.PathSplitter(fltr.FieldSpec.Path)
+	err := fltr.filter(obj)
+	if err != nil {
 		s, _ := obj.String()
 		return nil, errors.WrapPrefixf(err,
-			"obj '%s' at path '%v'", s, fltr.FieldSpec.Path)
+			"considering field '%s' of object\n%v", fltr.FieldSpec.Path, s)
 	}
 	return obj, nil
 }
 
+// Recursively called.
 func (fltr Filter) filter(obj *yaml.RNode) error {
 	if len(fltr.path) == 0 {
 		// found the field -- set its value
 		return fltr.SetValue(obj)
 	}
-	if obj.IsTaggedNull() {
+	if obj.IsTaggedNull() || obj.IsNil() {
 		return nil
 	}
 	switch obj.YNode().Kind {
 	case yaml.SequenceNode:
-		return fltr.seq(obj)
+		return fltr.handleSequence(obj)
 	case yaml.MappingNode:
-		return fltr.field(obj)
+		return fltr.handleMap(obj)
+	case yaml.AliasNode:
+		return fltr.filter(yaml.NewRNode(obj.YNode().Alias))
 	default:
 		return errors.Errorf("expected sequence or mapping node")
 	}
 }
 
-// field calls filter on the field matching the next path element
-func (fltr Filter) field(obj *yaml.RNode) error {
+// handleMap calls filter on the map field matching the next path element
+func (fltr Filter) handleMap(obj *yaml.RNode) error {
 	fieldName, isSeq := isSequenceField(fltr.path[0])
+	if fieldName == "" {
+		return fmt.Errorf("cannot set or create an empty field name")
+	}
 	// lookup the field matching the next path element
-	var lookupField yaml.Filter
+	var operation yaml.Filter
 	var kind yaml.Kind
 	tag := yaml.NodeTagEmpty
 	switch {
 	case !fltr.FieldSpec.CreateIfNotPresent || fltr.CreateKind == 0 || isSeq:
-		// dont' create the field if we don't find it
-		lookupField = yaml.Lookup(fieldName)
+		// don't create the field if we don't find it
+		operation = yaml.Lookup(fieldName)
 		if isSeq {
 			// The query path thinks this field should be a sequence;
 			// accept this hint for use later if the tag is NodeTagNull.
@@ -82,21 +100,25 @@ func (fltr Filter) field(obj *yaml.RNode) error {
 		}
 	case len(fltr.path) <= 1:
 		// create the field if it is missing: use the provided node kind
-		lookupField = yaml.LookupCreate(fltr.CreateKind, fieldName)
+		operation = yaml.LookupCreate(fltr.CreateKind, fieldName)
 		kind = fltr.CreateKind
 		tag = fltr.CreateTag
 	default:
 		// create the field if it is missing: must be a mapping node
-		lookupField = yaml.LookupCreate(yaml.MappingNode, fieldName)
+		operation = yaml.LookupCreate(yaml.MappingNode, fieldName)
 		kind = yaml.MappingNode
 		tag = yaml.NodeTagMap
 	}
 
 	// locate (or maybe create) the field
-	field, err := obj.Pipe(lookupField)
-	if err != nil || field == nil {
+	field, err := obj.Pipe(operation)
+	if err != nil {
 		return errors.WrapPrefixf(err, "fieldName: %s", fieldName)
 	}
+	if field == nil {
+		// No error if field not found.
+		return nil
+	}
 
 	// if the value exists, but is null and kind is set,
 	// then change it to the creation type
@@ -114,7 +136,7 @@ func (fltr Filter) field(obj *yaml.RNode) error {
 }
 
 // seq calls filter on all sequence elements
-func (fltr Filter) seq(obj *yaml.RNode) error {
+func (fltr Filter) handleSequence(obj *yaml.RNode) error {
 	if err := obj.VisitElements(func(node *yaml.RNode) error {
 		// recurse on each element -- re-allocating a Filter is
 		// not strictly required, but is more consistent with field
@@ -125,16 +147,14 @@ func (fltr Filter) seq(obj *yaml.RNode) error {
 		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
+	shorter := strings.TrimSuffix(name, "[]")
+	return shorter, shorter != name
 }
 
 // isMatchGVK returns true if the fs.GVK matches the obj GVK.
@@ -163,18 +183,3 @@ func isMatchGVK(fs types.FieldSpec, obj *yaml.RNode) (bool, error) {
 
 	return true, nil
 }
-
-func splitPath(path string) []string {
-	ps := strings.Split(path, "/")
-	var res []string
-	res = append(res, ps[0])
-	for i := 1; i < len(ps); i++ {
-		lastIndex := len(res) - 1
-		if strings.HasSuffix(res[lastIndex], "\\") {
-			res[lastIndex] = strings.TrimSuffix(res[lastIndex], "\\") + "/" + ps[i]
-		} else {
-			res = append(res, ps[i])
-		}
-	}
-	return res
-}

api/filters/fieldspec/fieldspec_test.go

@@ -15,206 +15,243 @@ import (
 	"sigs.k8s.io/kustomize/kyaml/yaml"
 )
 
-type TestCase struct {
-	name      string
-	input     string
-	expected  string
-	filter    fieldspec.Filter
-	fieldSpec string
-	error     string
-}
-
-var tests = []TestCase{
-	{
-		name: "update",
-		fieldSpec: `
+func TestFilter_Filter(t *testing.T) {
+	testCases := map[string]struct {
+		input     string
+		expected  string
+		filter    fieldspec.Filter
+		fieldSpec string
+		error     string
+	}{
+		"path not found": {
+			fieldSpec: `
 path: a/b
 group: foo
 kind: Bar
 `,
-		input: `
+			input: `
+apiVersion: foo
+kind: Bar
+xxx:
+`,
+			expected: `
+apiVersion: foo
+kind: Bar
+xxx:
+`,
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
+		},
+		"empty path": {
+			fieldSpec: `
+group: foo
+kind: Bar
+`,
+			input: `
+apiVersion: foo
+kind: Bar
+xxx:
+`,
+			expected: `
+apiVersion: foo
+kind: Bar
+xxx:
+`,
+			error: `considering field '' of object
+apiVersion: foo
+kind: Bar
+xxx:
+: cannot set or create an empty field name`,
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
+		},
+
+		"update": {
+			fieldSpec: `
+path: a/b
+group: foo
+kind: Bar
+`,
+			input: `
 apiVersion: foo/v1beta1
 kind: Bar
 a:
   b: c
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta1
 kind: Bar
 a:
   b: e
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	{
-		name: "update-kind-not-match",
-		fieldSpec: `
+		"update-kind-not-match": {
+			fieldSpec: `
 path: a/b
 group: foo
 kind: Bar1
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta1
 kind: Bar2
 a:
   b: c
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta1
 kind: Bar2
 a:
   b: c
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	{
-		name: "update-group-not-match",
-		fieldSpec: `
+		"update-group-not-match": {
+			fieldSpec: `
 path: a/b
 group: foo1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo2/v1beta1
 kind: Bar
 a:
   b: c
 `,
-		expected: `
+			expected: `
 apiVersion: foo2/v1beta1
 kind: Bar
 a:
   b: c
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	{
-		name: "update-version-not-match",
-		fieldSpec: `
+		"update-version-not-match": {
+			fieldSpec: `
 path: a/b
 group: foo
 version: v1beta1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta2
 kind: Bar
 a:
   b: c
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta2
 kind: Bar
 a:
   b: c
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	{
-		name: "bad-version",
-		fieldSpec: `
+		"bad-version": {
+			fieldSpec: `
 path: a/b
 group: foo
 version: v1beta1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta2/something
 kind: Bar
 a:
   b: c
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta2/something
 kind: Bar
 a:
   b: c
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	{
-		name: "bad-meta",
-		fieldSpec: `
+		"bad-meta": {
+			fieldSpec: `
 path: a/b
 group: foo
 version: v1beta1
 kind: Bar
 `,
-		input: `
+			input: `
 a:
   b: c
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
+			error: "missing Resource metadata",
 		},
-		error: "missing Resource metadata",
-	},
 
-	{
-		name: "miss-match-type",
-		fieldSpec: `
+		"miss-match-type": {
+			fieldSpec: `
 path: a/b/c
 kind: Bar
 `,
-		input: `
+			input: `
 kind: Bar
 a:
   b: a
 `,
-		error: "obj 'kind: Bar\na:\n  b: a\n' at path 'a/b/c': " +
-			"expected sequence or mapping node",
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			error: `considering field 'a/b/c' of object
+kind: Bar
+a:
+  b: a
+: expected sequence or mapping node`,
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	{
-		name: "add",
-		fieldSpec: `
+		"add": {
+			fieldSpec: `
 path: a/b/c/d
 group: foo
 create: true
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta1
 kind: Bar
 a: {}
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta1
 kind: Bar
 a: {b: {c: {d: e}}}
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("e"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("e"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
 
-	{
-		name: "update-in-sequence",
-		fieldSpec: `
+		"update-in-sequence": {
+			fieldSpec: `
 path: a/b[]/c/d
 group: foo
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta1
 kind: Bar
 a:
@@ -222,7 +259,7 @@ a:
   - c:
       d: a
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta1
 kind: Bar
 a:
@@ -230,244 +267,237 @@ a:
   - c:
       d: e
 `,
-		filter: fieldspec.Filter{
-			SetValue: filtersutil.SetScalar("e"),
+			filter: fieldspec.Filter{
+				SetValue: filtersutil.SetScalar("e"),
+			},
 		},
-	},
 
-	// Don't create a sequence
-	{
-		name: "empty-sequence-no-create",
-		fieldSpec: `
+		// Don't create a sequence
+		"empty-sequence-no-create": {
+			fieldSpec: `
 path: a/b[]/c/d
 group: foo
 create: true
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta1
 kind: Bar
 a: {}
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta1
 kind: Bar
 a: {}
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("e"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("e"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
 
-	// Create a new field for an element in a sequence
-	{
-		name: "empty-sequence-create",
-		fieldSpec: `
+		// Create a new field for an element in a sequence
+		"empty-sequence-create": {
+			fieldSpec: `
 path: a/b[]/c/d
 group: foo
 create: true
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: foo/v1beta1
 kind: Bar
 a:
   b:
   - c: {}
 `,
-		expected: `
+			expected: `
 apiVersion: foo/v1beta1
 kind: Bar
 a:
   b:
   - c: {d: e}
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("e"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("e"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
 
-	{
-		name: "group v1",
-		fieldSpec: `
+		"group v1": {
+			fieldSpec: `
 path: a/b
 group: v1
 create: true
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("e"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("e"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
 
-	{
-		name: "version v1",
-		fieldSpec: `
+		"version v1": {
+			fieldSpec: `
 path: a/b
 version: v1
 create: true
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 a:
   b: e
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("e"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("e"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
-	{
-		name: "successfully set field on array entry no sequence hint",
-		fieldSpec: `
+
+		"successfully set field on array entry no sequence hint": {
+			fieldSpec: `
 path: spec/containers/image
 version: v1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
   - image: foo
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
   - image: bar
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("bar"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("bar"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
-	{
-		name: "successfully set field on array entry with sequence hint",
-		fieldSpec: `
+
+		"successfully set field on array entry with sequence hint": {
+			fieldSpec: `
 path: spec/containers[]/image
 version: v1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
   - image: foo
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
   - image: bar
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("bar"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("bar"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
-	{
-		name: "failure to set field on array entry with sequence hint in path",
-		fieldSpec: `
+		"failure to set field on array entry with sequence hint in path": {
+			fieldSpec: `
 path: spec/containers[]/image
 version: v1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 spec:
   containers: []
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("bar"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("bar"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
-	{
-		name: "failure to set field on array entry, no sequence hint in path",
-		fieldSpec: `
+
+		"failure to set field on array entry, no sequence hint in path": {
+			fieldSpec: `
 path: spec/containers/image
 version: v1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 spec:
   containers:
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("bar"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("bar"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
-	{
-		name: "filedname with slash '/'",
-		fieldSpec: `
+		"fieldname with slash '/'": {
+			fieldSpec: `
 path: a/b\/c/d
 version: v1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 a:
   b/c:
     d: foo
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 a:
   b/c:
     d: bar
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("bar"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("bar"),
+				CreateKind: yaml.ScalarNode,
+			},
 		},
-	},
-	{
-		name: "filedname with multiple '/'",
-		fieldSpec: `
+		"fieldname with multiple '/'": {
+			fieldSpec: `
 path: a/b\/c/d\/e/f
 version: v1
 kind: Bar
 `,
-		input: `
+			input: `
 apiVersion: v1
 kind: Bar
 a:
@@ -475,7 +505,7 @@ a:
     d/e:
       f: foo
 `,
-		expected: `
+			expected: `
 apiVersion: v1
 kind: Bar
 a:
@@ -483,25 +513,24 @@ a:
     d/e:
       f: bar
 `,
-		filter: fieldspec.Filter{
-			SetValue:   filtersutil.SetScalar("bar"),
-			CreateKind: yaml.ScalarNode,
+			filter: fieldspec.Filter{
+				SetValue:   filtersutil.SetScalar("bar"),
+				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.fieldSpec), &test.filter.FieldSpec)
+	for n := range testCases {
+		tc := testCases[n]
+		t.Run(n, func(t *testing.T) {
+			err := yaml.Unmarshal([]byte(tc.fieldSpec), &tc.filter.FieldSpec)
 			if !assert.NoError(t, err) {
 				t.FailNow()
 			}
 
 			out := &bytes.Buffer{}
 			rw := &kio.ByteReadWriter{
-				Reader:                bytes.NewBufferString(test.input),
+				Reader:                bytes.NewBufferString(tc.input),
 				Writer:                out,
 				OmitReaderAnnotations: true,
 			}
@@ -509,11 +538,11 @@ func TestFilter_Filter(t *testing.T) {
 			// run the filter
 			err = kio.Pipeline{
 				Inputs:  []kio.Reader{rw},
-				Filters: []kio.Filter{kio.FilterAll(test.filter)},
+				Filters: []kio.Filter{kio.FilterAll(tc.filter)},
 				Outputs: []kio.Writer{rw},
 			}.Execute()
-			if test.error != "" {
-				if !assert.EqualError(t, err, test.error) {
+			if tc.error != "" {
+				if !assert.EqualError(t, err, tc.error) {
 					t.FailNow()
 				}
 				// stop rest of test
@@ -526,7 +555,7 @@ func TestFilter_Filter(t *testing.T) {
 
 			// check results
 			if !assert.Equal(t,
-				strings.TrimSpace(test.expected),
+				strings.TrimSpace(tc.expected),
 				strings.TrimSpace(out.String())) {
 				t.FailNow()
 			}

api/filters/filtersutil/filtersutil.go

@@ -1,21 +0,0 @@
-// 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/imagetag/imagetag_test.go

@@ -21,7 +21,7 @@ func TestImageTagUpdater_Filter(t *testing.T) {
 	}{
 		"ignore CustomResourceDefinition": {
 			input: `
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: whatever
@@ -30,7 +30,7 @@ spec:
   - image: whatever
 `,
 			expectedOutput: `
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: whatever

api/filters/labels/labels.go

@@ -25,7 +25,7 @@ type Filter struct {
 var _ kio.Filter = Filter{}
 
 func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
-	keys := filtersutil.SortedMapKeys(f.Labels)
+	keys := yaml.SortedMapKeys(f.Labels)
 	_, err := kio.FilterAll(yaml.FilterFunc(
 		func(node *yaml.RNode) (*yaml.RNode, error) {
 			for _, k := range keys {

api/filters/nameref/nameref.go

@@ -5,100 +5,189 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/filters/fieldspec"
-	"sigs.k8s.io/kustomize/api/filters/filtersutil"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	"sigs.k8s.io/kustomize/api/types"
-	kyaml_filtersutil "sigs.k8s.io/kustomize/kyaml/filtersutil"
+	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/kustomize/kyaml/kio"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
 )
 
-// Filter will update the name reference
+// Filter updates a name references.
 type Filter struct {
-	FieldSpec          types.FieldSpec `json:"fieldSpec,omitempty" yaml:"fieldSpec,omitempty"`
-	Referrer           *resource.Resource
-	Target             resid.Gvk
+	// Referrer refers to another resource X by X's name.
+	// E.g. A Deployment can refer to a ConfigMap.
+	// The Deployment is the Referrer,
+	// the ConfigMap is the ReferralTarget.
+	// This filter seeks to repair the reference in Deployment, given
+	// that the ConfigMap's name may have changed.
+	Referrer *resource.Resource
+
+	// NameFieldToUpdate is the field in the Referrer
+	// that holds the name requiring an update.
+	// This is the field to write.
+	NameFieldToUpdate types.FieldSpec
+
+	// ReferralTarget is the source of the new value for
+	// the name, always in the 'metadata/name' field.
+	// This is the field to read.
+	ReferralTarget resid.Gvk
+
+	// Set of resources to scan to find the ReferralTarget.
 	ReferralCandidates resmap.ResMap
-	isRoleRef          bool
 }
 
+// At time of writing, in practice this is called with a slice with only
+// one entry, the node also referred to be the resource in the Referrer field.
 func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
 	return kio.FilterAll(yaml.FilterFunc(f.run)).Filter(nodes)
 }
 
+// The node passed in here is the same node as held in Referrer;
+// that's how the referrer's name field is updated.
+// Currently, however, this filter still needs the extra methods on Referrer
+// to consult things like the resource Id, its namespace, etc.
+// TODO(3455): No filter should use the Resource api; all information
+// about names should come from annotations, with helper methods
+// on the RNode object.  Resource should get stupider, RNode smarter.
 func (f Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
-	err := node.PipeE(fieldspec.Filter{
-		FieldSpec: f.FieldSpec,
+	if err := f.confirmNodeMatchesReferrer(node); err != nil {
+		// sanity check.
+		return nil, err
+	}
+	if err := node.PipeE(fieldspec.Filter{
+		FieldSpec: f.NameFieldToUpdate,
 		SetValue:  f.set,
-	})
-	return node, err
+	}); err != nil {
+		return nil, errors.Wrapf(
+			err, "updating name reference in '%s' field of '%s'",
+			f.NameFieldToUpdate.Path, f.Referrer.CurId().String())
+	}
+	return node, nil
 }
 
+// This function is called on the node found at FieldSpec.Path.
+// It's some node in the Referrer.
 func (f Filter) set(node *yaml.RNode) error {
 	if yaml.IsMissingOrNull(node) {
 		return nil
 	}
-	if strings.HasSuffix(f.FieldSpec.Path, "roleRef/name") {
-		f.isRoleRef = true
-	}
 	switch node.YNode().Kind {
 	case yaml.ScalarNode:
 		return f.setScalar(node)
 	case yaml.MappingNode:
-		// Kind: ValidatingWebhookConfiguration
-		// FieldSpec is webhooks/clientConfig/service
 		return f.setMapping(node)
 	case yaml.SequenceNode:
-		return f.setSequence(node)
+		return applyFilterToSeq(seqFilter{
+			setScalarFn:  f.setScalar,
+			setMappingFn: f.setMapping,
+		}, node)
 	default:
-		return fmt.Errorf(
-			"node is expected to be either a string or a slice of string or a map of string")
+		return fmt.Errorf("node must be a scalar, sequence or map")
 	}
 }
 
-func (f Filter) setSequence(node *yaml.RNode) error {
-	return applyFilterToSeq(seqFilter{
-		setScalarFn:  f.setScalar,
-		setMappingFn: f.setMapping,
-	}, node)
+// This method used when NameFieldToUpdate doesn't lead to
+// one scalar field (typically called 'name'), but rather
+// leads to a map field (called anything). In this case we
+// must complete the field path, looking for both  a 'name'
+// and a 'namespace' field to help select the proper
+// ReferralTarget to read the name and namespace from.
+func (f Filter) setMapping(node *yaml.RNode) error {
+	if node.YNode().Kind != yaml.MappingNode {
+		return fmt.Errorf("expect a mapping node")
+	}
+	nameNode, err := node.Pipe(yaml.FieldMatcher{Name: "name"})
+	if err != nil {
+		return errors.Wrap(err, "trying to match 'name' field")
+	}
+	if nameNode == nil {
+		// This is a _configuration_ error; the field path
+		// specified in NameFieldToUpdate.Path doesn't resolve
+		// to a map with a 'name' field, so we have no idea what
+		// field to update with a new name.
+		return fmt.Errorf("path config error; no 'name' field in node")
+	}
+	candidates, err := f.filterMapCandidatesByNamespace(node)
+	if err != nil {
+		return err
+	}
+	oldName := nameNode.YNode().Value
+	referral, err := f.selectReferral(oldName, candidates)
+	if err != nil || referral == nil {
+		// Nil referral means nothing to do.
+		return err
+	}
+	f.recordTheReferral(referral)
+	if referral.GetName() == oldName && referral.GetNamespace() == "" {
+		// The name has not changed, nothing to do.
+		return nil
+	}
+	if err = node.PipeE(yaml.FieldSetter{
+		Name:        "name",
+		StringValue: referral.GetName(),
+	}); err != nil {
+		return err
+	}
+	if referral.GetNamespace() == "" {
+		// Don't write an empty string into the namespace field, as
+		// it should not replace the value "default".  The empty
+		// string is handled as a wild card here, not as an implicit
+		// specification of the "default" k8s namespace.
+		return nil
+	}
+	return node.PipeE(yaml.FieldSetter{
+		Name:        "namespace",
+		StringValue: referral.GetNamespace(),
+	})
 }
 
-func (f Filter) setMapping(node *yaml.RNode) error {
-	return setNameAndNs(
-		node,
-		f.Referrer,
-		f.Target,
-		f.ReferralCandidates,
-		f.isRoleRef,
-	)
+func (f Filter) filterMapCandidatesByNamespace(
+	node *yaml.RNode) ([]*resource.Resource, error) {
+	namespaceNode, err := node.Pipe(yaml.FieldMatcher{Name: "namespace"})
+	if err != nil {
+		return nil, errors.Wrap(err, "trying to match 'namespace' field")
+	}
+	if namespaceNode == nil {
+		return f.ReferralCandidates.Resources(), nil
+	}
+	namespace := namespaceNode.YNode().Value
+	nsMap := f.ReferralCandidates.GroupedByOriginalNamespace()
+	if candidates, ok := nsMap[namespace]; ok {
+		return candidates, nil
+	}
+	nsMap = f.ReferralCandidates.GroupedByCurrentNamespace()
+	// This could be nil, or an empty list.
+	return nsMap[namespace], nil
 }
 
 func (f Filter) setScalar(node *yaml.RNode) error {
-	newValue, err := getSimpleNameField(
-		node.YNode().Value,
-		f.Referrer,
-		f.Target,
-		f.ReferralCandidates,
-		f.ReferralCandidates.Resources(),
-		f.isRoleRef,
-	)
-	if err != nil {
+	referral, err := f.selectReferral(
+		node.YNode().Value, f.ReferralCandidates.Resources())
+	if err != nil || referral == nil {
+		// Nil referral means nothing to do.
 		return err
 	}
-	err = filtersutil.SetScalar(newValue)(node)
-	if err != nil {
-		return err
+	f.recordTheReferral(referral)
+	if referral.GetName() == node.YNode().Value {
+		// The name has not changed, nothing to do.
+		return nil
 	}
-	return nil
+	return node.PipeE(yaml.FieldSetter{StringValue: referral.GetName()})
+}
+
+// In the resource, make a note that it is referred to by the Referrer.
+func (f Filter) recordTheReferral(referral *resource.Resource) {
+	referral.AppendRefBy(f.Referrer.CurId())
 }
 
 // getRoleRefGvk returns a Gvk in the roleRef field. Return error
 // if the roleRef, roleRef/apiGroup or roleRef/kind is missing.
 func getRoleRefGvk(res json.Marshaler) (*resid.Gvk, error) {
-	n, err := kyaml_filtersutil.GetRNode(res)
+	n, err := filtersutil.GetRNode(res)
 	if err != nil {
 		return nil, err
 	}
@@ -114,14 +203,16 @@ func getRoleRefGvk(res json.Marshaler) (*resid.Gvk, error) {
 		return nil, err
 	}
 	if apiGroup.IsNil() {
-		return nil, fmt.Errorf("apiGroup cannot be found in roleRef %s", roleRef.MustString())
+		return nil, fmt.Errorf(
+			"apiGroup cannot be found in roleRef %s", roleRef.MustString())
 	}
 	kind, err := roleRef.Pipe(yaml.Lookup("kind"))
 	if err != nil {
 		return nil, err
 	}
 	if kind.IsNil() {
-		return nil, fmt.Errorf("kind cannot be found in roleRef %s", roleRef.MustString())
+		return nil, fmt.Errorf(
+			"kind cannot be found in roleRef %s", roleRef.MustString())
 	}
 	return &resid.Gvk{
 		Group: apiGroup.YNode().Value,
@@ -129,169 +220,183 @@ func getRoleRefGvk(res json.Marshaler) (*resid.Gvk, error) {
 	}, nil
 }
 
-func filterReferralCandidates(
-	referrer *resource.Resource,
-	matches []*resource.Resource,
-	target resid.Gvk,
-) []*resource.Resource {
-	var ret []*resource.Resource
-	for _, m := range matches {
-		// If target kind is not ServiceAccount, we shouldn't consider condidates which
-		// doesn't have same namespace.
-		if target.Kind != "ServiceAccount" && m.GetNamespace() != referrer.GetNamespace() {
-			continue
+// sieveFunc returns true if the resource argument satisfies some criteria.
+type sieveFunc func(*resource.Resource) bool
+
+// doSieve uses a function to accept or ignore resources from a list.
+// If list is nil, returns immediately.
+// It's a filter obviously, but that term is overloaded here.
+func doSieve(list []*resource.Resource, fn sieveFunc) (s []*resource.Resource) {
+	for _, r := range list {
+		if fn(r) {
+			s = append(s, r)
 		}
-		if !referrer.PrefixesSuffixesEquals(m) {
-			continue
-		}
-		ret = append(ret, m)
 	}
-	return ret
+	return
 }
 
-// selectReferral picks the referral among a subset of candidates.
-// It returns the current name and namespace of the selected candidate.
-// Note that the content of the referricalCandidateSubset slice is most of the time
-// identical to the referralCandidates resmap. Still in some cases, such
-// as ClusterRoleBinding, the subset only contains the resources of a specific
-// namespace.
-func selectReferral(
-	oldName string,
-	referrer *resource.Resource,
-	target resid.Gvk,
-	referralCandidates resmap.ResMap,
-	referralCandidateSubset []*resource.Resource,
-	isRoleRef bool) (string, string, error) {
-	var roleRefGvk *resid.Gvk
-	if isRoleRef {
-		var err error
-		roleRefGvk, err = getRoleRefGvk(referrer)
-		if err != nil {
-			return "", "", err
-		}
-	}
-	for _, res := range referralCandidateSubset {
-		id := res.OrgId()
-		// If the we are processing a roleRef, the apiGroup and Kind in the
-		// roleRef are needed to be considered.
-		if (!isRoleRef || id.IsSelected(roleRefGvk)) &&
-			id.IsSelected(&target) && res.GetOriginalName() == oldName {
-			matches := referralCandidates.GetMatchingResourcesByOriginalId(id.Equals)
-			// If there's more than one match,
-			// filter the matches by prefix and suffix
-			if len(matches) > 1 {
-				filteredMatches := filterReferralCandidates(referrer, matches, target)
-				if len(filteredMatches) > 1 {
-					return "", "", fmt.Errorf(
-						"multiple matches for %s:\n  %v",
-						id, getIds(filteredMatches))
-				}
-				// Check is the match the resource we are working on
-				if len(filteredMatches) == 0 || res != filteredMatches[0] {
-					continue
-				}
+func acceptAll(r *resource.Resource) bool {
+	return true
+}
+
+func previousNameMatches(name string) sieveFunc {
+	return func(r *resource.Resource) bool {
+		for _, id := range r.PrevIds() {
+			if id.Name == name {
+				return true
 			}
-			// In the resource, note that it is referenced
-			// by the referrer.
-			res.AppendRefBy(referrer.CurId())
-			// Return transformed name of the object,
-			// complete with prefixes, hashes, etc.
-			return res.GetName(), res.GetNamespace(), nil
+		}
+		return false
+	}
+}
+
+func previousIdSelectedByGvk(gvk *resid.Gvk) sieveFunc {
+	return func(r *resource.Resource) bool {
+		for _, id := range r.PrevIds() {
+			if id.IsSelected(gvk) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+// If the we are updating a 'roleRef/name' field, the 'apiGroup' and 'kind'
+// fields in the same 'roleRef' map must be considered.
+// If either object is cluster-scoped (!IsNamespaceableKind), there
+// can be a referral.
+// E.g. a RoleBinding (which exists in a namespace) can refer
+// to a ClusterRole (cluster-scoped) object.
+// https://kubernetes.io/docs/reference/access-authn-authz/rbac/#role-and-clusterrole
+// Likewise, a ClusterRole can refer to a Secret (in a namespace).
+// Objects in different namespaces generally cannot refer to other
+// with some exceptions (e.g. RoleBinding and ServiceAccount are both
+// namespaceable, but the former can refer to accounts in other namespaces).
+func (f Filter) roleRefFilter() sieveFunc {
+	if !strings.HasSuffix(f.NameFieldToUpdate.Path, "roleRef/name") {
+		return acceptAll
+	}
+	roleRefGvk, err := getRoleRefGvk(f.Referrer)
+	if err != nil {
+		return acceptAll
+	}
+	return previousIdSelectedByGvk(roleRefGvk)
+}
+
+func prefixSuffixEquals(other resource.ResCtx) sieveFunc {
+	return func(r *resource.Resource) bool {
+		return r.PrefixesSuffixesEquals(other)
+	}
+}
+
+func (f Filter) sameCurrentNamespaceAsReferrer() sieveFunc {
+	referrerCurId := f.Referrer.CurId()
+	if !referrerCurId.IsNamespaceableKind() {
+		// If the referrer is cluster-scoped, let anything through.
+		return acceptAll
+	}
+	return func(r *resource.Resource) bool {
+		if !r.CurId().IsNamespaceableKind() {
+			// Allow cluster-scoped through.
+			return true
+		}
+		if r.GetKind() == "ServiceAccount" {
+			// Allow service accounts through, even though they
+			// are in a namespace.  A RoleBinding in another namespace
+			// can reference them.
+			return true
+		}
+		return referrerCurId.IsNsEquals(r.CurId())
+	}
+}
+
+// selectReferral picks the best referral from a list of candidates.
+func (f Filter) selectReferral(
+	// The name referral that may need to be updated.
+	oldName string,
+	candidates []*resource.Resource) (*resource.Resource, error) {
+	candidates = doSieve(candidates, previousNameMatches(oldName))
+	candidates = doSieve(candidates, previousIdSelectedByGvk(&f.ReferralTarget))
+	candidates = doSieve(candidates, f.roleRefFilter())
+	candidates = doSieve(candidates, f.sameCurrentNamespaceAsReferrer())
+	if len(candidates) == 1 {
+		return candidates[0], nil
+	}
+	candidates = doSieve(candidates, prefixSuffixEquals(f.Referrer))
+	if len(candidates) == 1 {
+		return candidates[0], nil
+	}
+	if len(candidates) == 0 {
+		return nil, nil
+	}
+	if allNamesAreTheSame(candidates) {
+		// Just take the first one.
+		return candidates[0], nil
+	}
+	ids := getIds(candidates)
+	f.failureDetails(candidates)
+	return nil, fmt.Errorf(" found multiple possible referrals: %s", ids)
+}
+
+func (f Filter) failureDetails(resources []*resource.Resource) {
+	fmt.Printf(
+		"\n**** Too many possible referral targets to referrer:\n%s\n",
+		f.Referrer.MustYaml())
+	for i, r := range resources {
+		fmt.Printf(
+			"--- possible referral %d:\n%s", i, r.MustYaml())
+		fmt.Println("------")
+	}
+}
+
+func allNamesAreTheSame(resources []*resource.Resource) bool {
+	name := resources[0].GetName()
+	for i := 1; i < len(resources); i++ {
+		if name != resources[i].GetName() {
+			return false
 		}
 	}
-
-	return oldName, "", nil
+	return true
 }
 
-// utility function to replace a simple string by the new name
-func getSimpleNameField(
-	oldName string,
-	referrer *resource.Resource,
-	target resid.Gvk,
-	referralCandidates resmap.ResMap,
-	referralCandidateSubset []*resource.Resource,
-	isRoleRef bool) (string, error) {
-
-	newName, _, err := selectReferral(oldName, referrer, target,
-		referralCandidates, referralCandidateSubset, isRoleRef)
-
-	return newName, err
-}
-
-func getIds(rs []*resource.Resource) []string {
+func getIds(rs []*resource.Resource) string {
 	var result []string
 	for _, r := range rs {
-		result = append(result, r.CurId().String()+"\n")
+		result = append(result, r.CurId().String())
 	}
-	return result
+	return strings.Join(result, ", ")
 }
 
-// utility function to replace name field within a map RNode
-// and leverage the namespace field.
-func setNameAndNs(
-	in *yaml.RNode,
-	referrer *resource.Resource,
-	target resid.Gvk,
-	referralCandidates resmap.ResMap,
-	isRoleRef bool) error {
-
-	if in.YNode().Kind != yaml.MappingNode {
-		return fmt.Errorf("expect a mapping node")
-	}
-
-	// Get name field
-	nameNode, err := in.Pipe(yaml.FieldMatcher{
-		Name: "name",
-	})
-	if err != nil || nameNode == nil {
-		return fmt.Errorf("cannot find field 'name' in node")
-	}
-
-	// Get namespace field
-	namespaceNode, err := in.Pipe(yaml.FieldMatcher{
-		Name: "namespace",
-	})
-	if err != nil {
-		return fmt.Errorf("error when find field 'namespace'")
-	}
-
-	// check is namespace matched
-	// name will bot be updated if the namespace doesn't match
-	subset := referralCandidates.Resources()
-	if namespaceNode != nil {
-		namespace := namespaceNode.YNode().Value
-		bynamespace := referralCandidates.GroupedByOriginalNamespace()
-		if _, ok := bynamespace[namespace]; !ok {
-			return nil
-		}
-		subset = bynamespace[namespace]
-	}
-
-	oldName := nameNode.YNode().Value
-	newname, newnamespace, err := selectReferral(oldName, referrer, target,
-		referralCandidates, subset, isRoleRef)
-	if err != nil {
-		return err
-	}
-
-	if (newname == oldName) && (newnamespace == "") {
-		// no candidate found.
-		return nil
-	}
-
-	// set name
-	in.Pipe(yaml.FieldSetter{
-		Name:        "name",
-		StringValue: newname,
-	})
-	if newnamespace != "" {
-		// We don't want value "" to replace value "default" since
-		// the empty string is handled as a wild card here not default namespace
-		// by kubernetes.
-		in.Pipe(yaml.FieldSetter{
-			Name:        "namespace",
-			StringValue: newnamespace,
-		})
+func checkEqual(k, a, b string) error {
+	if a != b {
+		return fmt.Errorf(
+			"node-referrerOriginal '%s' mismatch '%s' != '%s'",
+			k, a, b)
+	}
+	return nil
+}
+
+func (f Filter) confirmNodeMatchesReferrer(node *yaml.RNode) error {
+	meta, err := node.GetMeta()
+	if err != nil {
+		return err
+	}
+	gvk := f.Referrer.GetGvk()
+	if err = checkEqual(
+		"APIVersion", meta.APIVersion, gvk.ApiVersion()); err != nil {
+		return err
+	}
+	if err = checkEqual(
+		"Kind", meta.Kind, gvk.Kind); err != nil {
+		return err
+	}
+	if err = checkEqual(
+		"Name", meta.Name, f.Referrer.GetName()); err != nil {
+		return err
+	}
+	if err = checkEqual(
+		"Namespace", meta.Namespace, f.Referrer.GetNamespace()); err != nil {
+		return err
 	}
 	return nil
 }

api/filters/nameref/nameref_test.go

@@ -14,14 +14,14 @@ import (
 
 func TestNamerefFilter(t *testing.T) {
 	testCases := map[string]struct {
-		input         string
-		candidates    string
-		expected      string
-		filter        Filter
-		originalNames []string
+		referrerOriginal string
+		candidates       string
+		referrerFinal    string
+		filter           Filter
+		originalNames    []string
 	}{
 		"simple scalar": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -40,8 +40,8 @@ kind: NotSecret
 metadata:
   name: newName2
 `,
-			originalNames: []string{"oldName", ""},
-			expected: `
+			originalNames: []string{"oldName", "newName2"},
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -50,8 +50,8 @@ ref:
   name: newName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -59,7 +59,7 @@ ref:
 			},
 		},
 		"sequence": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -79,8 +79,8 @@ kind: NotSecret
 metadata:
   name: newName2
 `,
-			originalNames: []string{"oldName1", ""},
-			expected: `
+			originalNames: []string{"oldName1", "newName2"},
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -90,8 +90,8 @@ seq:
 - oldName2
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "seq"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "seq"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -99,7 +99,7 @@ seq:
 			},
 		},
 		"mapping": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -118,8 +118,8 @@ kind: NotSecret
 metadata:
   name: newName2
 `,
-			originalNames: []string{"oldName", ""},
-			expected: `
+			originalNames: []string{"oldName", "newName2"},
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -128,8 +128,8 @@ map:
   name: newName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "map"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "map"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -137,40 +137,47 @@ map:
 			},
 		},
 		"mapping with namespace": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: dep
+  namespace: someNs
 map:
   name: oldName
-  namespace: oldNs
+  namespace: someNs
 `,
 			candidates: `
 apiVersion: apps/v1
 kind: Secret
 metadata:
   name: newName
-  namespace: oldNs
+  namespace: someNs
 ---
 apiVersion: apps/v1
 kind: NotSecret
 metadata:
   name: newName2
+---
+apiVersion: apps/v1
+kind: Secret
+metadata:
+  name: thirdName
 `,
-			originalNames: []string{"oldName", ""},
-			expected: `
+			originalNames: []string{"oldName", "oldName", "oldName"},
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: dep
+  namespace: someNs
 map:
   name: newName
-  namespace: oldNs
+  namespace: someNs
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "map"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "map"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -178,7 +185,7 @@ map:
 			},
 		},
 		"null value": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -197,8 +204,8 @@ kind: NotSecret
 metadata:
   name: newName2
 `,
-			originalNames: []string{"oldName", ""},
-			expected: `
+			originalNames: []string{"oldName", "newName2"},
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -207,8 +214,8 @@ map:
   name: null
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "map"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "map"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -220,7 +227,7 @@ map:
 	for tn, tc := range testCases {
 		t.Run(tn, func(t *testing.T) {
 			factory := provider.NewDefaultDepProvider().GetResourceFactory()
-			referrer, err := factory.FromBytes([]byte(tc.input))
+			referrer, err := factory.FromBytes([]byte(tc.referrerOriginal))
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -236,10 +243,10 @@ map:
 			candidates := resMapFactory.FromResourceSlice(candidatesRes)
 			tc.filter.ReferralCandidates = candidates
 
+			result := filtertest_test.RunFilter(t, tc.referrerOriginal, tc.filter)
 			if !assert.Equal(t,
-				strings.TrimSpace(tc.expected),
-				strings.TrimSpace(
-					filtertest_test.RunFilter(t, tc.input, tc.filter))) {
+				strings.TrimSpace(tc.referrerFinal),
+				strings.TrimSpace(result)) {
 				t.FailNow()
 			}
 		})
@@ -248,14 +255,14 @@ map:
 
 func TestNamerefFilterUnhappy(t *testing.T) {
 	testCases := map[string]struct {
-		input         string
-		candidates    string
-		expected      string
-		filter        Filter
-		originalNames []string
+		referrerOriginal string
+		candidates       string
+		referrerFinal    string
+		filter           Filter
+		originalNames    []string
 	}{
 		"multiple match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -275,10 +282,10 @@ metadata:
   name: newName2
 `,
 			originalNames: []string{"oldName", "oldName"},
-			expected:      "",
+			referrerFinal: "",
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -286,7 +293,7 @@ metadata:
 			},
 		},
 		"no name": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -306,10 +313,10 @@ metadata:
   name: newName2
 `,
 			originalNames: []string{"oldName", "oldName"},
-			expected:      "",
+			referrerFinal: "",
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -321,7 +328,7 @@ metadata:
 	for tn, tc := range testCases {
 		t.Run(tn, func(t *testing.T) {
 			factory := provider.NewDefaultDepProvider().GetResourceFactory()
-			referrer, err := factory.FromBytes([]byte(tc.input))
+			referrer, err := factory.FromBytes([]byte(tc.referrerOriginal))
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -337,11 +344,11 @@ metadata:
 			candidates := resMapFactory.FromResourceSlice(candidatesRes)
 			tc.filter.ReferralCandidates = candidates
 
-			_, err = filtertest_test.RunFilterE(t, tc.input, tc.filter)
+			_, err = filtertest_test.RunFilterE(t, tc.referrerOriginal, tc.filter)
 			if err == nil {
 				t.Fatalf("expect an error")
 			}
-			if tc.expected != "" && !assert.EqualError(t, err, tc.expected) {
+			if tc.referrerFinal != "" && !assert.EqualError(t, err, tc.referrerFinal) {
 				t.FailNow()
 			}
 		})
@@ -350,19 +357,19 @@ metadata:
 
 func TestCandidatesWithDifferentPrefixSuffix(t *testing.T) {
 	testCases := map[string]struct {
-		input         string
-		candidates    string
-		expected      string
-		filter        Filter
-		originalNames []string
-		prefix        []string
-		suffix        []string
-		inputPrefix   string
-		inputSuffix   string
-		err           bool
+		referrerOriginal string
+		candidates       string
+		referrerFinal    string
+		filter           Filter
+		originalNames    []string
+		prefix           []string
+		suffix           []string
+		inputPrefix      string
+		inputSuffix      string
+		err              bool
 	}{
 		"prefix match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -386,7 +393,7 @@ metadata:
 			suffix:        []string{"", "suffix2"},
 			inputPrefix:   "prefix1",
 			inputSuffix:   "",
-			expected: `
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -395,8 +402,8 @@ ref:
   name: newName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -405,7 +412,7 @@ ref:
 			err: false,
 		},
 		"suffix match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -429,7 +436,7 @@ metadata:
 			suffix:        []string{"suffix1", "suffix2"},
 			inputPrefix:   "",
 			inputSuffix:   "suffix1",
-			expected: `
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -438,8 +445,8 @@ ref:
   name: newName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -448,7 +455,7 @@ ref:
 			err: false,
 		},
 		"prefix suffix both match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -472,7 +479,7 @@ metadata:
 			suffix:        []string{"suffix1", "suffix2"},
 			inputPrefix:   "prefix1",
 			inputSuffix:   "suffix1",
-			expected: `
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -481,8 +488,8 @@ ref:
   name: newName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -491,7 +498,7 @@ ref:
 			err: false,
 		},
 		"multiple match: both": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -515,10 +522,10 @@ metadata:
 			suffix:        []string{"suffix", "suffix"},
 			inputPrefix:   "prefix",
 			inputSuffix:   "suffix",
-			expected:      "",
+			referrerFinal: "",
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -527,7 +534,7 @@ metadata:
 			err: true,
 		},
 		"multiple match: only prefix": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -551,10 +558,10 @@ metadata:
 			suffix:        []string{"", ""},
 			inputPrefix:   "prefix",
 			inputSuffix:   "",
-			expected:      "",
+			referrerFinal: "",
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -563,7 +570,7 @@ metadata:
 			err: true,
 		},
 		"multiple match: only suffix": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -587,10 +594,10 @@ metadata:
 			suffix:        []string{"suffix", "suffix"},
 			inputPrefix:   "",
 			inputSuffix:   "suffix",
-			expected:      "",
+			referrerFinal: "",
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -599,7 +606,7 @@ metadata:
 			err: true,
 		},
 		"no match: neither match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -623,7 +630,7 @@ metadata:
 			suffix:        []string{"suffix1", "suffix2"},
 			inputPrefix:   "prefix",
 			inputSuffix:   "suffix",
-			expected: `
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -632,8 +639,8 @@ ref:
   name: oldName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -642,7 +649,7 @@ ref:
 			err: false,
 		},
 		"no match: prefix doesn't match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -666,7 +673,7 @@ metadata:
 			suffix:        []string{"suffix", "suffix"},
 			inputPrefix:   "prefix",
 			inputSuffix:   "suffix",
-			expected: `
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -675,8 +682,8 @@ ref:
   name: oldName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -685,7 +692,7 @@ ref:
 			err: false,
 		},
 		"no match: suffix doesn't match": {
-			input: `
+			referrerOriginal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -709,7 +716,7 @@ metadata:
 			suffix:        []string{"suffix1", "suffix2"},
 			inputPrefix:   "prefix",
 			inputSuffix:   "suffix",
-			expected: `
+			referrerFinal: `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -718,8 +725,8 @@ ref:
   name: oldName
 `,
 			filter: Filter{
-				FieldSpec: types.FieldSpec{Path: "ref/name"},
-				Target: resid.Gvk{
+				NameFieldToUpdate: types.FieldSpec{Path: "ref/name"},
+				ReferralTarget: resid.Gvk{
 					Group:   "apps",
 					Version: "v1",
 					Kind:    "Secret",
@@ -732,7 +739,7 @@ ref:
 	for tn, tc := range testCases {
 		t.Run(tn, func(t *testing.T) {
 			factory := provider.NewDefaultDepProvider().GetResourceFactory()
-			referrer, err := factory.FromBytes([]byte(tc.input))
+			referrer, err := factory.FromBytes([]byte(tc.referrerOriginal))
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -764,13 +771,15 @@ ref:
 
 			if !tc.err {
 				if !assert.Equal(t,
-					strings.TrimSpace(tc.expected),
+					strings.TrimSpace(tc.referrerFinal),
 					strings.TrimSpace(
-						filtertest_test.RunFilter(t, tc.input, tc.filter))) {
+						filtertest_test.RunFilter(
+							t, tc.referrerOriginal, tc.filter))) {
 					t.FailNow()
 				}
 			} else {
-				_, err := filtertest_test.RunFilterE(t, tc.input, tc.filter)
+				_, err := filtertest_test.RunFilterE(
+					t, tc.referrerOriginal, tc.filter)
 				if err == nil {
 					t.Fatalf("an error is expected")
 				}

api/filters/patchstrategicmerge/patchstrategicmerge.go

@@ -4,6 +4,7 @@
 package patchstrategicmerge
 
 import (
+	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/kyaml/kio"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
 	"sigs.k8s.io/kustomize/kyaml/yaml/merge2"
@@ -15,6 +16,7 @@ type Filter struct {
 
 var _ kio.Filter = Filter{}
 
+// Filter does a strategic merge patch, which can delete nodes.
 func (pf Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
 	var result []*yaml.RNode
 	for i := range nodes {
@@ -27,7 +29,9 @@ func (pf Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
 		if err != nil {
 			return nil, err
 		}
-		result = append(result, r)
+		if !konfig.FlagEnableKyamlDefaultValue || r != nil {
+			result = append(result, r)
+		}
 	}
 	return result, nil
 }

api/filters/patchstrategicmerge/patchstrategicmerge_test.go

@@ -15,6 +15,29 @@ func TestFilter(t *testing.T) {
 		patch    *yaml.RNode
 		expected string
 	}{
+		"simple": {
+			input: `apiVersion: v1
+kind: Deployment
+metadata:
+  name: clown
+spec:
+  numReplicas: 1
+`,
+			patch: yaml.MustParse(`apiVersion: v1
+kind: Deployment
+metadata:
+  name: clown
+spec:
+  numReplicas: 999
+`),
+			expected: `apiVersion: v1
+kind: Deployment
+metadata:
+  name: clown
+spec:
+  numReplicas: 999
+`,
+		},
 		"nullMapEntry1": {
 			input: `
 apiVersion: example.com/v1
@@ -649,6 +672,63 @@ spec:
         ports:
         - containerPort: 80
         - containerPort: 8080
+`,
+		},
+
+		// Test for issue #3513
+		// Currently broken; when one port has only containerPort, the output
+		// should not merge containerPort 8301 together
+		// This occurs because when protocol is missing on the first port,
+		// the merge code uses [containerPort] as the merge key rather than
+		// [containerPort, protocol]
+		"list map keys - protocol only present on some ports": {
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: test-deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: consul
+        image: "dashicorp/consul:1.9.1"
+        ports:
+        - containerPort: 8500
+          name: http
+        - containerPort: 8301
+          protocol: "TCP"
+        - containerPort: 8301
+          protocol: "UDP"
+`,
+			patch: yaml.MustParse(`
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: test-deployment
+  labels:
+    test: label
+`),
+			expected: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: test-deployment
+  labels:
+    test: label
+spec:
+  template:
+    spec:
+      containers:
+      - name: consul
+        image: "dashicorp/consul:1.9.1"
+        ports:
+        - containerPort: 8301
+          protocol: "TCP"
+        - containerPort: 8301
+          protocol: "UDP"
+        - containerPort: 8500
+          name: http
 `,
 		},
 	}

api/filters/refvar/doc.go

@@ -1,3 +1,3 @@
 // Package refvar contains a kio.Filter implementation of the kustomize
-// refvar transformer.
+// refvar transformer (find and replace $(FOO) style variables in strings).
 package refvar

api/filters/refvar/expand.go

@@ -1,12 +1,12 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-// Package expansion provides functions find and replace $(FOO) style variables in strings.
-package expansion
+package refvar
 
 import (
-	"bytes"
 	"fmt"
+	"log"
+	"strings"
 )
 
 const (
@@ -17,38 +17,64 @@ const (
 
 // syntaxWrap returns the input string wrapped by the expansion syntax.
 func syntaxWrap(input string) string {
-	return string(operator) + string(referenceOpener) + input + string(referenceCloser)
+	var sb strings.Builder
+	sb.WriteByte(operator)
+	sb.WriteByte(referenceOpener)
+	sb.WriteString(input)
+	sb.WriteByte(referenceCloser)
+	return sb.String()
 }
 
-// MappingFuncFor returns a mapping function for use with Expand that
-// implements the expansion semantics defined in the expansion spec; it
-// returns the input string wrapped in the expansion syntax if no mapping
-// for the input is found.
-func MappingFuncFor(
-	counts map[string]int,
-	context ...map[string]interface{}) func(string) interface{} {
-	return func(input string) interface{} {
-		for _, vars := range context {
-			val, ok := vars[input]
-			if ok {
-				counts[input]++
-				switch typedV := val.(type) {
-				case string, int64, float64, bool:
-					return typedV
-				default:
-					return syntaxWrap(input)
-				}
+// MappingFunc maps a string to anything.
+type MappingFunc func(string) interface{}
+
+// MakePrimitiveReplacer returns a MappingFunc that uses a map to do
+// replacements, and a histogram to count map hits.
+//
+// Func behavior:
+//
+// If the input key is NOT found in the map, the key is wrapped up as
+// as a variable declaration string and returned, e.g. key FOO becomes $(FOO).
+// This string is presumably put back where it was found, and might get replaced
+// later.
+//
+// If the key is found in the map, the value is returned if it is a primitive
+// type (string, bool, number), and the hit is counted.
+//
+// If it's not a primitive type (e.g. a map, struct, func, etc.) then this
+// function doesn't know what to do with it and it returns the key wrapped up
+// again as if it had not been replaced.  This should probably be an error.
+func MakePrimitiveReplacer(
+	counts map[string]int, someMap map[string]interface{}) MappingFunc {
+	return func(key string) interface{} {
+		if value, ok := someMap[key]; ok {
+			switch typedV := value.(type) {
+			case string, int, int32, int64, float32, float64, bool:
+				counts[key]++
+				return typedV
+			default:
+				// If the value is some complicated type (e.g. a map or struct),
+				// this function doesn't know how to jam it into a string,
+				// so just pretend it was a cache miss.
+				// Likely this should be an error instead of a silent failure,
+				// since the programmer passed an impossible value.
+				log.Printf(
+					"MakePrimitiveReplacer: bad replacement type=%T val=%v",
+					typedV, typedV)
+				return syntaxWrap(key)
 			}
 		}
-		return syntaxWrap(input)
+		// If unable to return the mapped variable, return it
+		// as it was found, and a later mapping might be able to
+		// replace it.
+		return syntaxWrap(key)
 	}
 }
 
-// Expand replaces variable references in the input string according to
-// the expansion spec using the given mapping function to resolve the
-// values of variables.
-func Expand(input string, mapping func(string) interface{}) interface{} {
-	var buf bytes.Buffer
+// DoReplacements replaces variable references in the input string
+// using the mapping function.
+func DoReplacements(input string, mapping MappingFunc) interface{} {
+	var buf strings.Builder
 	checkpoint := 0
 	for cursor := 0; cursor < len(input); cursor++ {
 		if input[cursor] == operator && cursor+1 < len(input) {

api/filters/refvar/expand_test.go

@@ -1,13 +1,14 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-package expansion_test
+package refvar_test
 
 import (
 	"fmt"
 	"testing"
 
-	. "sigs.k8s.io/kustomize/api/internal/accumulator/expansion"
+	"github.com/stretchr/testify/assert"
+	. "sigs.k8s.io/kustomize/api/filters/refvar"
 )
 
 type expected struct {
@@ -15,6 +16,48 @@ type expected struct {
 	edited string
 }
 
+func TestPrimitiveReplacer(t *testing.T) {
+	varCounts := make(map[string]int)
+	f := MakePrimitiveReplacer(
+		varCounts,
+		map[string]interface{}{
+			"FOO":        "bar",
+			"ZOO":        "$(FOO)-1",
+			"BLU":        "$(ZOO)-2",
+			"EIGHT":      8,
+			"PI":         3.14159,
+			"ZINT":       "$(INT)",
+			"BOOL":       "true",
+			"HUGENUMBER": int64(9223372036854775807),
+			"CRAZYMAP":   map[string]int{"crazy": 200},
+			"ZBOOL":      "$(BOOL)",
+		})
+	assert.Equal(t, "$()", f(""))
+	assert.Equal(t, "$(      )", f("      "))
+	assert.Equal(t, "$(florida)", f("florida"))
+	assert.Equal(t, "$(0)", f("0"))
+	assert.Equal(t, "bar", f("FOO"))
+	assert.Equal(t, "bar", f("FOO"))
+	assert.Equal(t, "bar", f("FOO"))
+	assert.Equal(t, 8, f("EIGHT"))
+	assert.Equal(t, 8, f("EIGHT"))
+	assert.Equal(t, 3.14159, f("PI"))
+	assert.Equal(t, "true", f("BOOL"))
+	assert.Equal(t, int64(9223372036854775807), f("HUGENUMBER"))
+	assert.Equal(t, "$(FOO)-1", f("ZOO"))
+	assert.Equal(t, "$(CRAZYMAP)", f("CRAZYMAP"))
+	assert.Equal(t,
+		map[string]int{
+			"FOO":        3,
+			"EIGHT":      2,
+			"BOOL":       1,
+			"PI":         1,
+			"ZOO":        1,
+			"HUGENUMBER": 1,
+		},
+		varCounts)
+}
+
 func TestMapReference(t *testing.T) {
 	type env struct {
 		Name  string
@@ -51,7 +94,7 @@ func TestMapReference(t *testing.T) {
 		},
 	}
 
-	declaredEnv := map[string]interface{}{
+	varMap := map[string]interface{}{
 		"FOO":   "bar",
 		"ZOO":   "$(FOO)-1",
 		"BLU":   "$(ZOO)-2",
@@ -61,11 +104,11 @@ func TestMapReference(t *testing.T) {
 		"ZBOOL": "$(BOOL)",
 	}
 
-	counts := make(map[string]int)
-	mapping := MappingFuncFor(counts, declaredEnv)
-
+	varCounts := make(map[string]int)
 	for _, env := range envs {
-		declaredEnv[env.Name] = Expand(fmt.Sprintf("%v", env.Value), mapping)
+		varMap[env.Name] = DoReplacements(
+			fmt.Sprintf("%v", env.Value),
+			MakePrimitiveReplacer(varCounts, varMap))
 	}
 
 	expectedEnv := map[string]expected{
@@ -79,45 +122,20 @@ func TestMapReference(t *testing.T) {
 	}
 
 	for k, v := range expectedEnv {
-		if e, a := v, declaredEnv[k]; e.edited != a || e.count != counts[k] {
+		if e, a := v, varMap[k]; e.edited != a || e.count != varCounts[k] {
 			t.Errorf("Expected %v count=%d, got %v count=%d",
-				e.edited, e.count, a, counts[k])
+				e.edited, e.count, a, varCounts[k])
 		} else {
-			delete(declaredEnv, k)
+			delete(varMap, k)
 		}
 	}
 
-	if len(declaredEnv) != 0 {
-		t.Errorf("Unexpected keys in declared env: %v", declaredEnv)
+	if len(varMap) != 0 {
+		t.Errorf("Unexpected keys in declared env: %v", varMap)
 	}
 }
 
 func TestMapping(t *testing.T) {
-	context := map[string]interface{}{
-		"VAR_A":     "A",
-		"VAR_B":     "B",
-		"VAR_C":     "C",
-		"VAR_REF":   "$(VAR_A)",
-		"VAR_EMPTY": "",
-	}
-	doExpansionTest(t, context)
-}
-
-func TestMappingDual(t *testing.T) {
-	context := map[string]interface{}{
-		"VAR_A":     "A",
-		"VAR_EMPTY": "",
-	}
-	context2 := map[string]interface{}{
-		"VAR_B":   "B",
-		"VAR_C":   "C",
-		"VAR_REF": "$(VAR_A)",
-	}
-
-	doExpansionTest(t, context, context2)
-}
-
-func doExpansionTest(t *testing.T, context ...map[string]interface{}) {
 	cases := []struct {
 		name     string
 		input    string
@@ -333,11 +351,17 @@ func doExpansionTest(t *testing.T, context ...map[string]interface{}) {
 			expected: "\n",
 		},
 	}
-
 	for _, tc := range cases {
 		counts := make(map[string]int)
-		mapping := MappingFuncFor(counts, context...)
-		expanded := Expand(fmt.Sprintf("%v", tc.input), mapping)
+		expanded := DoReplacements(
+			fmt.Sprintf("%v", tc.input),
+			MakePrimitiveReplacer(counts, map[string]interface{}{
+				"VAR_A":     "A",
+				"VAR_B":     "B",
+				"VAR_C":     "C",
+				"VAR_REF":   "$(VAR_A)",
+				"VAR_EMPTY": "",
+			}))
 		if e, a := tc.expected, expanded; e != a {
 			t.Errorf("%v: expected %q, got %q", tc.name, e, a)
 		}
@@ -347,8 +371,7 @@ func doExpansionTest(t *testing.T, context ...map[string]interface{}) {
 		}
 		if len(tc.counts) > 0 {
 			for k, expectedCount := range tc.counts {
-				c, ok := counts[k]
-				if ok {
+				if c, ok := counts[k]; ok {
 					if c != expectedCount {
 						t.Errorf(
 							"%v: k=%s, expected count %d, got %d",

api/filters/refvar/refvar.go

@@ -8,15 +8,13 @@ import (
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/kio"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
-
-	expansion2 "sigs.k8s.io/kustomize/api/internal/accumulator/expansion"
 )
 
 // Filter updates $(VAR) style variables with values.
 // The fieldSpecs are the places to look for occurrences of $(VAR).
 type Filter struct {
-	MappingFunc func(string) interface{} `json:"mappingFunc,omitempty" yaml:"mappingFunc,omitempty"`
-	FieldSpec   types.FieldSpec          `json:"fieldSpec,omitempty" yaml:"fieldSpec,omitempty"`
+	MappingFunc MappingFunc     `json:"mappingFunc,omitempty" yaml:"mappingFunc,omitempty"`
+	FieldSpec   types.FieldSpec `json:"fieldSpec,omitempty" yaml:"fieldSpec,omitempty"`
 }
 
 func (f Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
@@ -49,12 +47,21 @@ func (f Filter) set(node *yaml.RNode) error {
 
 func updateNodeValue(node *yaml.Node, newValue interface{}) {
 	switch newValue := newValue.(type) {
+	case int:
+		node.Value = strconv.FormatInt(int64(newValue), 10)
+		node.Tag = yaml.NodeTagInt
+	case int32:
+		node.Value = strconv.FormatInt(int64(newValue), 10)
+		node.Tag = yaml.NodeTagInt
 	case int64:
 		node.Value = strconv.FormatInt(newValue, 10)
 		node.Tag = yaml.NodeTagInt
 	case bool:
 		node.SetString(strconv.FormatBool(newValue))
 		node.Tag = yaml.NodeTagBool
+	case float32:
+		node.SetString(strconv.FormatFloat(float64(newValue), 'f', -1, 32))
+		node.Tag = yaml.NodeTagFloat
 	case float64:
 		node.SetString(strconv.FormatFloat(newValue, 'f', -1, 64))
 		node.Tag = yaml.NodeTagFloat
@@ -69,7 +76,7 @@ func (f Filter) setScalar(node *yaml.RNode) error {
 	if !yaml.IsYNodeString(node.YNode()) {
 		return nil
 	}
-	v := expansion2.Expand(node.YNode().Value, f.MappingFunc)
+	v := DoReplacements(node.YNode().Value, f.MappingFunc)
 	updateNodeValue(node.YNode(), v)
 	return nil
 }
@@ -78,12 +85,14 @@ func (f Filter) setMap(node *yaml.RNode) error {
 	contents := node.YNode().Content
 	for i := 0; i < len(contents); i += 2 {
 		if !yaml.IsYNodeString(contents[i]) {
-			return fmt.Errorf("invalid map key: %s, type: %s", contents[i].Value, contents[i].Tag)
+			return fmt.Errorf(
+				"invalid map key: value='%s', tag='%s'",
+				contents[i].Value, contents[i].Tag)
 		}
 		if !yaml.IsYNodeString(contents[i+1]) {
 			continue
 		}
-		newValue := expansion2.Expand(contents[i+1].Value, f.MappingFunc)
+		newValue := DoReplacements(contents[i+1].Value, f.MappingFunc)
 		updateNodeValue(contents[i+1], newValue)
 	}
 	return nil
@@ -94,7 +103,7 @@ func (f Filter) setSeq(node *yaml.RNode) error {
 		if !yaml.IsYNodeString(item) {
 			return fmt.Errorf("invalid value type expect a string")
 		}
-		newValue := expansion2.Expand(item.Value, f.MappingFunc)
+		newValue := DoReplacements(item.Value, f.MappingFunc)
 		updateNodeValue(item, newValue)
 	}
 	return nil

api/filters/refvar/refvar_test.go

@@ -1,18 +1,22 @@
-package refvar
+package refvar_test
 
 import (
 	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	expansion2 "sigs.k8s.io/kustomize/api/internal/accumulator/expansion"
+	. "sigs.k8s.io/kustomize/api/filters/refvar"
 	filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
 )
 
+var makeMf = func(theMap map[string]interface{}) MappingFunc {
+	ignored := make(map[string]int)
+	return MakePrimitiveReplacer(ignored, theMap)
+}
+
 func TestFilter(t *testing.T) {
-	replacementCounts := make(map[string]int)
 
 	testCases := map[string]struct {
 		input    string
@@ -35,7 +39,7 @@ metadata:
 spec:
   replicas: 5`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"VAR": int64(5),
 				}),
 				FieldSpec: types.FieldSpec{Path: "spec/replicas"},
@@ -57,7 +61,7 @@ metadata:
 spec:
   replicas: 1`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"VAR": int64(5),
 				}),
 				FieldSpec: types.FieldSpec{Path: "spec/replicas"},
@@ -79,7 +83,7 @@ metadata:
 spec:
   replicas: 1`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"VAR": int64(5),
 				}),
 				FieldSpec: types.FieldSpec{Path: "a/b/c"},
@@ -111,7 +115,7 @@ data:
 - false
 - 1.23`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"FOO":   "foo",
 					"BAR":   "bar",
 					"BOOL":  false,
@@ -142,7 +146,7 @@ data:
   BAZ: $(BAZ)
   PLUS: foo+bar`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"FOO": "foo",
 					"BAR": "bar",
 				}),
@@ -181,7 +185,7 @@ data:
     SLICE:
     - $(FOO)`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"FOO": "foo",
 					"BAR": "bar",
 				}),
@@ -204,8 +208,10 @@ metadata:
 data:
   FOO: null`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{}),
-				FieldSpec:   types.FieldSpec{Path: "data/FOO"},
+				MappingFunc: makeMf(map[string]interface{}{
+					// no replacements!
+				}),
+				FieldSpec: types.FieldSpec{Path: "data/FOO"},
 			},
 		},
 	}
@@ -223,8 +229,6 @@ data:
 }
 
 func TestFilterUnhappy(t *testing.T) {
-	replacementCounts := make(map[string]int)
-
 	testCases := map[string]struct {
 		input         string
 		expectedError string
@@ -239,7 +243,8 @@ metadata:
 data:
   slice:
   - false`,
-			expectedError: `obj 'apiVersion: apps/v1
+			expectedError: `considering field 'data/slice' of object
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: dep
@@ -248,9 +253,9 @@ metadata:
 data:
   slice:
   - false
-' at path 'data/slice': invalid value type expect a string`,
+: invalid value type expect a string`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"VAR": int64(5),
 				}),
 				FieldSpec: types.FieldSpec{Path: "data/slice"},
@@ -264,7 +269,8 @@ metadata:
   name: dep
 data:
   1: str`,
-			expectedError: `obj 'apiVersion: apps/v1
+			expectedError: `considering field 'data' of object
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: dep
@@ -272,9 +278,9 @@ metadata:
     config.kubernetes.io/index: '0'
 data:
   1: str
-' at path 'data': invalid map key: 1, type: ` + yaml.NodeTagInt,
+: invalid map key: value='1', tag='` + yaml.NodeTagInt + `'`,
 			filter: Filter{
-				MappingFunc: expansion2.MappingFuncFor(replacementCounts, map[string]interface{}{
+				MappingFunc: makeMf(map[string]interface{}{
 					"VAR": int64(5),
 				}),
 				FieldSpec: types.FieldSpec{Path: "data"},

api/filters/valueadd/valueadd.go

@@ -98,7 +98,17 @@ 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, "/")
+			var fields []string
+			// if there is forward slash '/' in the field name, a back slash '\'
+			// will be used to escape it.
+			for _, f := range strings.Split(f.FieldPath, "/") {
+				if len(fields) > 0 && strings.HasSuffix(fields[len(fields)-1], "\\") {
+					concatField := strings.TrimSuffix(fields[len(fields)-1], "\\") + "/" + f
+					fields = append(fields[:len(fields)-1], concatField)
+				} else {
+					fields = append(fields, f)
+				}
+			}
 			// 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),

api/filters/valueadd/valueadd_test.go

@@ -94,6 +94,20 @@ spec:
 				FilePathPosition: 2,
 			},
 		},
+		"backSlash": {
+			input: `
+kind: SomeKind
+`,
+			expectedOutput: `
+kind: SomeKind
+spec:
+  resourceRef/external: valueAdded
+`,
+			filter: Filter{
+				Value:     "valueAdded",
+				FieldPath: "spec/resourceRef\\/external",
+			},
+		},
 	}
 
 	for tn, tc := range testCases {

api/go.mod

@@ -6,22 +6,13 @@ require (
 	github.com/evanphx/json-patch v4.5.0+incompatible
 	github.com/go-errors/errors v1.0.1
 	github.com/go-openapi/spec v0.19.5
-	github.com/golangci/golangci-lint v1.21.0
 	github.com/google/go-cmp v0.3.0
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
-	github.com/hashicorp/go-multierror v1.1.0
+	github.com/imdario/mergo v0.3.5
 	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 v0.0.0-20191119224855-298f0cb1881e
 	gopkg.in/yaml.v2 v2.3.0
-	gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71
-	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/kustomize/kyaml v0.9.4
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
+	sigs.k8s.io/kustomize/kyaml v0.10.12
 	sigs.k8s.io/yaml v1.2.0
 )
-
-replace sigs.k8s.io/kustomize/kyaml v0.9.4 => ../kyaml

api/go.sum

@@ -1,43 +1,21 @@
 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=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-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 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=
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@@ -45,14 +23,10 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
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@@ -60,33 +34,18 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
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@@ -95,13 +54,11 @@ github.com/go-openapi/analysis v0.19.5/go.mod h1:hkEAkxagaIvIP7VTn8ygJNkd4kAYON2
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@@ -115,7 +72,6 @@ github.com/go-openapi/loads v0.19.4/go.mod h1:zZVHonKd8DXyxyw4yfnVjPzBjIQcLt0CCs
 github.com/go-openapi/runtime v0.0.0-20180920151709-4f900dc2ade9/go.mod h1:6v9a6LTXWQCdL8k1AO3cvqx5OtZY/Y9wKTgaoP6YRfA=
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@@ -127,7 +83,6 @@ github.com/go-openapi/strfmt v0.18.0/go.mod h1:P82hnJI0CXkErkXi8IKjPbNBM6lV6+5pL
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@@ -137,138 +92,38 @@ github.com/go-openapi/validate v0.18.0/go.mod h1:Uh4HdOzKt19xGIGm1qHf/ofbX1YQ4Y+
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-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 v0.0.0-20190617190820-da514acc4774/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=
-golang.org/x/tools v0.0.0-20190930201159-7c411dea38b0/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191010075000-0337d82405ff h1:XdBG6es/oFDr1HwaxkxgVve7NB281QhxgK/i4voubFs=
-golang.org/x/tools v0.0.0-20191010075000-0337d82405ff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e h1:aZzprAO9/8oim3qStq3wc1Xuxx4QmAGriC4VU4ojemQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
@@ -554,53 +269,19 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
-gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 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/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.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71 h1:Xe2gvTZUJpsvOWUnvmL/tmhVBZUmHSvLbMjRj6NUUKo=
-gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/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=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-k8s.io/api v0.17.0 h1:H9d/lw+VkZKEVIUc8F3wgiQ+FUXTTr21M87jXLU7yqM=
-k8s.io/api v0.17.0/go.mod h1:npsyOePkeP0CPwyGfXDHxvypiYMJxBWAMpQxCaJ4ZxI=
-k8s.io/apimachinery v0.17.0 h1:xRBnuie9rXcPxUkDizUsGvPf1cnlZCFu210op7J7LJo=
-k8s.io/apimachinery v0.17.0/go.mod h1:b9qmWdKlLuU9EBh+06BtLcSf/Mu89rWL33naRxs1uZg=
-k8s.io/client-go v0.17.0 h1:8QOGvUGdqDMFrm9sD6IUFl256BcffynGoe80sxgTEDg=
-k8s.io/client-go v0.17.0/go.mod h1:TYgR6EUHs6k45hb6KWjVD6jFZvJV4gHDikv/It0xz+k=
-k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
-k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
-k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
-k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a h1:UcxjrRMyNx/i/y8G7kPvLyy7rfbeuf1PYyBf973pgyU=
-k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
-k8s.io/utils v0.0.0-20191114184206-e782cd3c129f h1:GiPwtSzdP43eI1hpPCbROQCCIgCuiMMNF8YUVLF3vJo=
-k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
-mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed h1:WX1yoOaKQfddO/mLzdV4wptyWgoH/6hwLs7QHTixo0I=
-mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
-mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphDJbHOQO1DFFFTeBo=
-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/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
-sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sigs.k8s.io/kustomize/kyaml v0.10.12 h1:1lUvuSVETthZspl4X+Xdic/FgPAfxUbc7MKtc1vcO2c=
+sigs.k8s.io/kustomize/kyaml v0.10.12/go.mod h1:uD7q6dIrZV02fBV6D7FOgdOBcLfUmhG3ExxDIGbUM3w=
 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

@@ -43,12 +43,15 @@ type Kunstructured interface {
 	// Several uses.
 	Copy() Kunstructured
 
-	// Used by Resource.Replace, which in turn is used in many places, e.g.
-	//  - resource.Resource.Merge
-	//  - resWrangler.appendReplaceOrMerge (AbsorbAll)
-	//  - api.internal.k8sdeps.transformer.patch.conflictdetector
+	// GetAnnotations returns the k8s annotations.
 	GetAnnotations() map[string]string
 
+	// GetData returns a top-level "data" field, as in a ConfigMap.
+	GetDataMap() map[string]string
+
+	// GetData returns a top-level "binaryData" field, as in a ConfigMap.
+	GetBinaryDataMap() map[string]string
+
 	// Used by ResAccumulator and ReplacementTransformer.
 	GetFieldValue(string) (interface{}, error)
 
@@ -58,7 +61,7 @@ type Kunstructured interface {
 	// Used by resource.Factory.SliceFromBytes
 	GetKind() string
 
-	// Used by Resource.Replace
+	// GetLabels returns the k8s labels.
 	GetLabels() map[string]string
 
 	// Used by Resource.CurId and resource factory.
@@ -84,19 +87,24 @@ type Kunstructured interface {
 	// Used by resWrangler.Select
 	MatchesLabelSelector(selector string) (bool, error)
 
-	// Used by Resource.Replace.
+	// SetAnnotations replaces the k8s annotations.
 	SetAnnotations(map[string]string)
 
+	// SetDataMap sets a top-level "data" field, as in a ConfigMap.
+	SetDataMap(map[string]string)
+
+	// SetDataMap sets a top-level "binaryData" field, as in a ConfigMap.
+	SetBinaryDataMap(map[string]string)
 	// Used by PatchStrategicMergeTransformer.
 	SetGvk(resid.Gvk)
 
-	// Used by Resource.Replace and used to remove "validated by" labels.
+	// SetLabels replaces the k8s labels.
 	SetLabels(map[string]string)
 
-	// Used by Resource.Replace.
+	// SetName changes the name.
 	SetName(string)
 
-	// Used by Resource.Replace.
+	// SetNamespace changes the namespace.
 	SetNamespace(string)
 
 	// Needed, for now, by kyaml/filtersutil.ApplyToJSON.

api/internal/accumulator/loadconfigfromcrds.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/go-openapi/spec"
 	"github.com/pkg/errors"
-	"k8s.io/kube-openapi/pkg/common"
 	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
@@ -18,8 +17,16 @@ import (
 	"sigs.k8s.io/yaml"
 )
 
+// OpenAPIDefinition describes single type.
+// Normally these definitions are auto-generated using gen-openapi.
+// Same as in k8s.io / kube-openapi / pkg / common.
+type OpenAPIDefinition struct {
+	Schema       spec.Schema
+	Dependencies []string
+}
+
 type myProperties map[string]spec.Schema
-type nameToApiMap map[string]common.OpenAPIDefinition
+type nameToApiMap map[string]OpenAPIDefinition
 
 // LoadConfigFromCRDs parse CRD schemas from paths into a TransformerConfig
 func LoadConfigFromCRDs(
@@ -162,7 +169,7 @@ func loadCrdIntoConfig(
 				err = theConfig.AddNamereferenceFieldSpec(
 					builtinconfig.NameBackReferences{
 						Gvk: resid.Gvk{Kind: kind, Version: version},
-						FieldSpecs: []types.FieldSpec{
+						Referrers: []types.FieldSpec{
 							makeFs(theGvk, append(path, propName, nameKey))},
 					})
 				if err != nil {

api/internal/accumulator/loadconfigfromcrds_test.go

@@ -8,10 +8,9 @@ import (
 	"testing"
 
 	"sigs.k8s.io/kustomize/api/filesys"
-	"sigs.k8s.io/kustomize/api/loader"
-
 	. "sigs.k8s.io/kustomize/api/internal/accumulator"
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/loader"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/types"
 )
@@ -140,21 +139,19 @@ func TestLoadCRDs(t *testing.T) {
 	nbrs := []builtinconfig.NameBackReferences{
 		{
 			Gvk: resid.Gvk{Kind: "Secret", Version: "v1"},
-			FieldSpecs: []types.FieldSpec{
+			Referrers: []types.FieldSpec{
 				{
-					CreateIfNotPresent: false,
-					Gvk:                resid.Gvk{Kind: "MyKind"},
-					Path:               "spec/secretRef/name",
+					Gvk:  resid.Gvk{Kind: "MyKind"},
+					Path: "spec/secretRef/name",
 				},
 			},
 		},
 		{
 			Gvk: resid.Gvk{Kind: "Bee", Version: "v1beta1"},
-			FieldSpecs: []types.FieldSpec{
+			Referrers: []types.FieldSpec{
 				{
-					CreateIfNotPresent: false,
-					Gvk:                resid.Gvk{Kind: "MyKind"},
-					Path:               "spec/beeRef/name",
+					Gvk:  resid.Gvk{Kind: "MyKind"},
+					Path: "spec/beeRef/name",
 				},
 			},
 		},

api/internal/accumulator/namereferencetransformer.go

@@ -4,23 +4,29 @@
 package accumulator
 
 import (
+	"fmt"
 	"log"
 
 	"sigs.k8s.io/kustomize/api/filters/nameref"
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resmap"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
+	"sigs.k8s.io/kustomize/api/resource"
 )
 
 type nameReferenceTransformer struct {
 	backRefs []builtinconfig.NameBackReferences
 }
 
+const doDebug = false
+
 var _ resmap.Transformer = &nameReferenceTransformer{}
 
+type filterMap map[*resource.Resource][]nameref.Filter
+
 // newNameReferenceTransformer constructs a nameReferenceTransformer
 // with a given slice of NameBackReferences.
-func newNameReferenceTransformer(br []builtinconfig.NameBackReferences) resmap.Transformer {
+func newNameReferenceTransformer(
+	br []builtinconfig.NameBackReferences) resmap.Transformer {
 	if br == nil {
 		log.Fatal("backrefs not expected to be nil")
 	}
@@ -33,13 +39,61 @@ func newNameReferenceTransformer(br []builtinconfig.NameBackReferences) resmap.T
 //
 // For example, a HorizontalPodAutoscaler (HPA)
 // necessarily refers to a Deployment, the thing that
-// the HPA scales. The Deployment name might change
-// (e.g. prefix added), and the reference in the HPA
-// has to be fixed.
+// an HPA scales. In this case:
 //
-// In the outer loop over the ResMap below, say we
-// encounter a specific HPA. Then, in scanning backrefs,
-// we encounter an entry like
+//   - the HPA instance is the Referrer,
+//   - the Deployment instance is the ReferralTarget.
+//
+// If the Deployment's name changes, e.g. a prefix is added,
+// then the HPA's reference to the Deployment must be fixed.
+//
+func (t *nameReferenceTransformer) Transform(m resmap.ResMap) error {
+	fMap := t.determineFilters(m.Resources())
+	debug(fMap)
+	for r, fList := range fMap {
+		c := m.SubsetThatCouldBeReferencedByResource(r)
+		for _, f := range fList {
+			f.Referrer = r
+			f.ReferralCandidates = c
+			if err := f.Referrer.ApplyFilter(f); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func debug(fMap filterMap) {
+	if !doDebug {
+		return
+	}
+	fmt.Printf("filterMap has %d entries:\n", len(fMap))
+	rCount := 0
+	for r, fList := range fMap {
+		yml, _ := r.AsYAML()
+		rCount++
+		fmt.Printf(`
+---- %3d. possible referrer -------------
+%s
+---------`, rCount, string(yml),
+		)
+		for i, f := range fList {
+			fmt.Printf(`
+%3d/%3d update: %s
+          from: %s
+`, rCount, i+1, f.NameFieldToUpdate.Path, f.ReferralTarget,
+			)
+		}
+	}
+}
+
+// Produce a map from referrer resources that might need to be fixed
+// to filters that might fix them.  The keys to this map are potential
+// referrers, so won't include resources like ConfigMap or Secret.
+//
+// In the inner loop over the resources below, say we
+// encounter an HPA instance. Then, in scanning the set
+// of all known backrefs, we encounter an entry like
 //
 //   - kind: Deployment
 //     fieldSpecs:
@@ -48,54 +102,53 @@ func newNameReferenceTransformer(br []builtinconfig.NameBackReferences) resmap.T
 //
 // This entry says that an HPA, via its
 // 'spec/scaleTargetRef/name' field, may refer to a
-// Deployment.  This match to HPA means we may need to
-// modify the value in its 'spec/scaleTargetRef/name'
-// field, by searching for the thing it refers to,
-// and getting its new name.
+// Deployment.
 //
-// As a filter, and search optimization, we compute a
-// subset of all resources that the HPA could refer to,
-// by excluding objects from other namespaces, and
-// excluding objects that don't have the same prefix-
-// suffix mods as the HPA.
-//
-// We look in this subset for all Deployment objects
-// with a resId that has a Name matching the field value
-// present in the HPA.  If no match do nothing; if more
-// than one match, it's an error.
-//
-// We overwrite the HPA name field with the value found
-// in the Deployment's name field (the name in the raw
-// object - the modified name - not the unmodified name
-// in the Deployment's resId).
-//
-// This process assumes that the name stored in a ResId
-// (the ResMap key) isn't modified by name transformers.
-// Name transformers should only modify the name in the
-// body of the resource object (the value in the ResMap).
-//
-func (o *nameReferenceTransformer) Transform(m resmap.ResMap) error {
-	// TODO: Too much looping, here and in transitive calls.
-	for _, referrer := range m.Resources() {
-		var candidates resmap.ResMap
-		for _, target := range o.backRefs {
-			for _, fSpec := range target.FieldSpecs {
-				if referrer.OrgId().IsSelected(&fSpec.Gvk) {
-					if candidates == nil {
-						candidates = m.SubsetThatCouldBeReferencedByResource(referrer)
-					}
-					err := filtersutil.ApplyToJSON(nameref.Filter{
-						FieldSpec:          fSpec,
-						Referrer:           referrer,
-						Target:             target.Gvk,
-						ReferralCandidates: candidates,
-					}, referrer)
-					if err != nil {
-						return err
+// This means that a filter will need to hunt for the right Deployment,
+// obtain it's new name, and write that name into the HPA's
+// 'spec/scaleTargetRef/name' field. Return a filter that can do that.
+func (t *nameReferenceTransformer) determineFilters(
+	resources []*resource.Resource) (fMap filterMap) {
+	fMap = make(filterMap)
+	for _, backReference := range t.backRefs {
+		for _, referrerSpec := range backReference.Referrers {
+			for _, res := range resources {
+				if res.OrgId().IsSelected(&referrerSpec.Gvk) {
+					// If this is true, the res might be a referrer, and if
+					// so, the name reference it holds might need an update.
+					if resHasField(res, referrerSpec.Path) {
+						// Optimization - the referrer has the field
+						// that might need updating.
+						fMap[res] = append(fMap[res], nameref.Filter{
+							// Name field to write in the Referrer.
+							// If the path specified here isn't found in
+							// the Referrer, nothing happens (no error,
+							// no field creation).
+							NameFieldToUpdate: referrerSpec,
+							// Specification of object class to read from.
+							// Always read from metadata/name field.
+							ReferralTarget: backReference.Gvk,
+						})
 					}
 				}
 			}
 		}
 	}
-	return nil
+	return fMap
+}
+
+// TODO: check res for field existence here to avoid extra work.
+// res.GetFieldValue, which uses yaml.Lookup under the hood, doesn't know
+// how to parse fieldspec-style paths that make no distinction
+// between maps and sequences.  This means it cannot lookup commonly
+// used "indeterminate" paths like
+//    spec/containers/env/valueFrom/configMapKeyRef/name
+// ('containers' is a list, not a map).
+// However, the fieldspec filter does know how to handle this;
+// extract that code and call it here?
+func resHasField(res *resource.Resource, path string) bool {
+	return true
+	// fld := strings.Join(utils.PathSplitter(path), ".")
+	// _, e := res.GetFieldValue(fld)
+	// return e == nil
 }

api/internal/accumulator/namereferencetransformer_test.go

@@ -8,12 +8,15 @@ import (
 	"testing"
 
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/provider"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	resmaptest_test "sigs.k8s.io/kustomize/api/testutils/resmaptest"
 )
 
+const notEqualErrFmt = "expected (self) doesn't match actual (other): %v"
+
 func TestNameReferenceHappyRun(t *testing.T) {
 	m := resmaptest_test.NewRmBuilderDefault(t).AddWithName(
 		"cm1",
@@ -217,6 +220,7 @@ func TestNameReferenceHappyRun(t *testing.T) {
 						"secret1",
 						"secret1",
 						"secret2",
+						"cm1",
 					},
 				},
 			},
@@ -420,6 +424,7 @@ func TestNameReferenceHappyRun(t *testing.T) {
 						"someprefix-secret1-somehash",
 						"someprefix-secret1-somehash",
 						"secret2",
+						"someprefix-cm1-somehash",
 					},
 				},
 			},
@@ -468,7 +473,7 @@ func TestNameReferenceHappyRun(t *testing.T) {
 	}
 
 	if err = expected.ErrorIfNotEqualLists(m); err != nil {
-		t.Fatalf("actual doesn't match expected: %v", err)
+		t.Fatalf(notEqualErrFmt, err)
 	}
 }
 
@@ -516,7 +521,27 @@ func TestNameReferenceUnhappyRun(t *testing.T) {
 						},
 					},
 				}).ResMap(),
-			expectedErr: "cannot find field 'name' in node"},
+			// TODO(#3304): DECISION - kyaml better; not a bug.
+			expectedErr: konfig.IfApiMachineryElseKyaml(
+				`updating name reference in 'rules/resourceNames' field of `+
+					`'rbac.authorization.k8s.io_v1_ClusterRole|~X|cr'`+
+					`: considering field 'rules/resourceNames' of object
+{"apiVersion": "rbac.authorization.k8s.io/v1", "kind": "ClusterRole", "metadata": {
+    "name": "cr"}, "rules": [{"resourceNames": {"foo": "bar"}, "resources": ["secrets"]}]}
+: visit traversal on path: [resourceNames]: path config error; no 'name' field in node`,
+				`updating name reference in 'rules/resourceNames' field of `+
+					`'rbac.authorization.k8s.io_v1_ClusterRole|~X|cr'`+
+					`: considering field 'rules/resourceNames' of object
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: cr
+rules:
+- resourceNames:
+    foo: bar
+  resources:
+  - secrets
+: visit traversal on path: [resourceNames]: path config error; no 'name' field in node`)},
 	}
 
 	nrt := newNameReferenceTransformer(builtinconfig.MakeDefaultConfig().NameReference)
@@ -527,7 +552,7 @@ func TestNameReferenceUnhappyRun(t *testing.T) {
 		}
 
 		if !strings.Contains(err.Error(), test.expectedErr) {
-			t.Fatalf("Incorrect error.\nExpected: %s, but got %v",
+			t.Fatalf("Incorrect error.\nExpected:\n %s\nGot:\n%v",
 				test.expectedErr, err)
 		}
 	}
@@ -585,7 +610,7 @@ func TestNameReferencePersistentVolumeHappyRun(t *testing.T) {
 	v2.AppendRefBy(c2.CurId())
 
 	if err := m1.ErrorIfNotEqualLists(m2); err != nil {
-		t.Fatalf("actual doesn't match expected: %v", err)
+		t.Fatalf(notEqualErrFmt, err)
 	}
 }
 
@@ -719,8 +744,9 @@ func TestNameReferenceNamespace(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
+	m.RemoveBuildAnnotations()
 	if err = expected.ErrorIfNotEqualLists(m); err != nil {
-		t.Fatalf("actual doesn't match expected: %v", err)
+		t.Fatalf(notEqualErrFmt, err)
 	}
 }
 
@@ -880,8 +906,9 @@ func TestNameReferenceClusterWide(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
+	m.RemoveBuildAnnotations()
 	if err = expected.ErrorIfNotEqualLists(m); err != nil {
-		t.Fatalf("actual doesn't match expected: %v", err)
+		t.Fatalf(notEqualErrFmt, err)
 	}
 }
 
@@ -1006,8 +1033,9 @@ func TestNameReferenceNamespaceTransformation(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
+	m.RemoveBuildAnnotations()
 	if err = expected.ErrorIfNotEqualLists(m); err != nil {
-		t.Fatalf("actual doesn't match expected: %v", err)
+		t.Fatalf(notEqualErrFmt, err)
 	}
 }
 
@@ -1042,7 +1070,8 @@ func TestNameReferenceCandidateSelection(t *testing.T) {
 		t.Fatalf("unexpected error: %v", err)
 	}
 
+	m.RemoveBuildAnnotations()
 	if err = expected.ErrorIfNotEqualLists(m); err != nil {
-		t.Fatalf("actual doesn't match expected: %v", err)
+		t.Fatalf(notEqualErrFmt, err)
 	}
 }

api/internal/accumulator/refvartransformer.go

@@ -4,19 +4,15 @@
 package accumulator
 
 import (
-	expansion2 "sigs.k8s.io/kustomize/api/internal/accumulator/expansion"
-
 	"sigs.k8s.io/kustomize/api/filters/refvar"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 )
 
 type refVarTransformer struct {
 	varMap            map[string]interface{}
 	replacementCounts map[string]int
 	fieldSpecs        []types.FieldSpec
-	mappingFunc       func(string) interface{}
 }
 
 // newRefVarTransformer returns a new refVarTransformer
@@ -35,8 +31,7 @@ func newRefVarTransformer(
 func (rv *refVarTransformer) UnusedVars() []string {
 	var unused []string
 	for k := range rv.varMap {
-		_, ok := rv.replacementCounts[k]
-		if !ok {
+		if _, ok := rv.replacementCounts[k]; !ok {
 			unused = append(unused, k)
 		}
 	}
@@ -46,14 +41,13 @@ func (rv *refVarTransformer) UnusedVars() []string {
 // Transform replaces $(VAR) style variables with values.
 func (rv *refVarTransformer) Transform(m resmap.ResMap) error {
 	rv.replacementCounts = make(map[string]int)
-	rv.mappingFunc = expansion2.MappingFuncFor(
-		rv.replacementCounts, rv.varMap)
+	mf := refvar.MakePrimitiveReplacer(rv.replacementCounts, rv.varMap)
 	for _, res := range m.Resources() {
 		for _, fieldSpec := range rv.fieldSpecs {
-			err := filtersutil.ApplyToJSON(refvar.Filter{
-				MappingFunc: rv.mappingFunc,
+			err := res.ApplyFilter(refvar.Filter{
+				MappingFunc: mf,
 				FieldSpec:   fieldSpec,
-			}, res)
+			})
 			if err != nil {
 				return err
 			}

api/internal/accumulator/refvartransformer_test.go

@@ -7,6 +7,7 @@ import (
 	"reflect"
 	"testing"
 
+	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	resmaptest_test "sigs.k8s.io/kustomize/api/testutils/resmaptest"
@@ -23,14 +24,12 @@ func TestRefVarTransformer(t *testing.T) {
 		res    resmap.ResMap
 		unused []string
 	}
-	testCases := []struct {
-		description string
-		given       given
-		expected    expected
-		errMessage  string
+	testCases := map[string]struct {
+		given      given
+		expected   expected
+		errMessage string
 	}{
-		{
-			description: "var replacement in map[string]",
+		"var replacement in map[string]": {
 			given: given{
 				varMap: map[string]interface{}{
 					"FOO": "replacementForFoo",
@@ -105,8 +104,7 @@ func TestRefVarTransformer(t *testing.T) {
 				unused: []string{"BAR"},
 			},
 		},
-		{
-			description: "var replacement panic in map[string]",
+		"var replacement panic in map[string]": {
 			given: given{
 				varMap: map[string]interface{}{},
 				fs: []types.FieldSpec{
@@ -123,11 +121,23 @@ func TestRefVarTransformer(t *testing.T) {
 							"slice": []interface{}{5}, // noticeably *not* a []string
 						}}).ResMap(),
 			},
-			errMessage: `obj '{"apiVersion": "v1", "data": {"slice": [5]}, "kind": "ConfigMap", "metadata": {"name": "cm1"}}
-' at path 'data/slice': invalid value type expect a string`,
+			// TODO(#3304): DECISION - kyaml better; not a bug.
+			errMessage: konfig.IfApiMachineryElseKyaml(
+				`considering field 'data/slice' of object
+{"apiVersion": "v1", "data": {"slice": [5]}, "kind": "ConfigMap", "metadata": {"name": "cm1"}}
+: invalid value type expect a string`,
+				`considering field 'data/slice' of object
+apiVersion: v1
+data:
+  slice:
+  - 5
+kind: ConfigMap
+metadata:
+  name: cm1
+: invalid value type expect a string`,
+			),
 		},
-		{
-			description: "var replacement in nil",
+		"var replacement in nil": {
 			given: given{
 				varMap: map[string]interface{}{},
 				fs: []types.FieldSpec{
@@ -159,20 +169,18 @@ func TestRefVarTransformer(t *testing.T) {
 		},
 	}
 
-	for _, tc := range testCases {
-		t.Run(tc.description, func(t *testing.T) {
-			// arrange
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
 			tr := newRefVarTransformer(tc.given.varMap, tc.given.fs)
-
-			// act
 			err := tr.Transform(tc.given.res)
-
-			// assert
 			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)
+					t.Fatalf(`actual error doesn't match expected error:
+ACTUAL: %v
+EXPECTED: %v`,
+						err.Error(), tc.errMessage)
 				}
 			} else {
 				if err != nil {
@@ -182,7 +190,13 @@ func TestRefVarTransformer(t *testing.T) {
 				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)
+					t.Fatalf(`actual doesn't match expected:
+ACTUAL:
+%v
+EXPECTED:
+%v
+ERR: %v`,
+						a, e, err)
 				}
 			}
 		})

api/internal/accumulator/resaccumulator.go

@@ -41,13 +41,11 @@ func (ra *ResAccumulator) Vars() []types.Var {
 	return ra.varSet.AsSlice()
 }
 
-func (ra *ResAccumulator) AppendAll(
-	resources resmap.ResMap) error {
+func (ra *ResAccumulator) AppendAll(resources resmap.ResMap) error {
 	return ra.resMap.AppendAll(resources)
 }
 
-func (ra *ResAccumulator) AbsorbAll(
-	resources resmap.ResMap) error {
+func (ra *ResAccumulator) AbsorbAll(resources resmap.ResMap) error {
 	return ra.resMap.AbsorbAll(resources)
 }
 
@@ -61,6 +59,15 @@ func (ra *ResAccumulator) GetTransformerConfig() *builtinconfig.TransformerConfi
 	return ra.tConfig
 }
 
+// MergeVars accumulates vars into ResAccumulator.
+// A Var is a tuple of name, object reference and field reference.
+// This func takes a list of vars from the current kustomization file and
+// annotates the accumulated resources with the names of the vars that match
+// those resources.  E.g. if there's a var named "sam" that wants to get
+// its data from a ConfigMap named "james", and the resource list contains a
+// ConfigMap named "james", then that ConfigMap will be annotated with the
+// var name "sam".  Later this annotation is used to find the data for "sam"
+// by digging into a particular fieldpath of "james".
 func (ra *ResAccumulator) MergeVars(incoming []types.Var) error {
 	for _, v := range incoming {
 		targetId := resid.NewResIdWithNamespace(v.ObjRef.GVK(), v.ObjRef.Name, v.ObjRef.Namespace)
@@ -70,7 +77,7 @@ func (ra *ResAccumulator) MergeVars(incoming []types.Var) error {
 			// wildcard search on the namespace hence we still use GvknEquals
 			idMatcher = targetId.Equals
 		}
-		matched := ra.resMap.GetMatchingResourcesByOriginalId(idMatcher)
+		matched := ra.resMap.GetMatchingResourcesByAnyId(idMatcher)
 		if len(matched) > 1 {
 			return fmt.Errorf(
 				"found %d resId matches for var %s "+
@@ -106,12 +113,10 @@ func (ra *ResAccumulator) findVarValueFromResources(v types.Var) (interface{}, e
 						"field specified in var '%v' "+
 							"not found in corresponding resource", v)
 				}
-
 				return s, nil
 			}
 		}
 	}
-
 	return "", fmt.Errorf(
 		"var '%v' cannot be mapped to a field "+
 			"in the set of known resources", v)
@@ -127,10 +132,8 @@ func (ra *ResAccumulator) makeVarReplacementMap() (map[string]interface{}, error
 		if err != nil {
 			return nil, err
 		}
-
 		result[v.Name] = s
 	}
-
 	return result, nil
 }
 
@@ -161,6 +164,6 @@ func (ra *ResAccumulator) FixBackReferences() (err error) {
 	if ra.tConfig.NameReference == nil {
 		return nil
 	}
-	return ra.Transform(newNameReferenceTransformer(
-		ra.tConfig.NameReference))
+	return ra.Transform(
+		newNameReferenceTransformer(ra.tConfig.NameReference))
 }

api/internal/accumulator/resaccumulator_test.go

@@ -344,19 +344,20 @@ func TestResolveVarsWithNoambiguation(t *testing.T) {
 					},
 				},
 			}}).
+		// Make it seem like this resource
+		// went through a prefix transformer.
 		Add(map[string]interface{}{
 			"apiVersion": "v1",
 			"kind":       "Service",
 			"metadata": map[string]interface{}{
-				"name": "backendOne",
+				"name": "sub-backendOne",
+				"annotations": map[string]interface{}{
+					"config.kubernetes.io/previousNames":      "backendOne",
+					"config.kubernetes.io/previousNamespaces": "default",
+					"config.kubernetes.io/prefixes":           "sub-",
+				},
 			}}).ResMap()
 
-	// Make it seem like this resource
-	// went through a prefix transformer.
-	r := m.GetByIndex(1)
-	r.AddNamePrefix("sub-")
-	r.SetName("sub-backendOne") // original name remains "backendOne"
-
 	err = ra2.AppendAll(m)
 	if err != nil {
 		t.Fatalf("unexpected err: %v", err)

api/internal/conflict/smpatchmergeonlydetector.go

@@ -21,6 +21,11 @@ func (c *smPatchMergeOnlyDetector) HasConflict(
 	return false, nil
 }
 
+// There's at least one case that doesn't work.  Suppose one has a
+// Deployment with a volume with the bizarre "emptyDir: {}" entry.
+// If you want to get rid of this entry via a patch containing
+// the entry "emptyDir: null", then the following won't work,
+// because null entries are eliminated.
 func (c *smPatchMergeOnlyDetector) MergePatches(
 	r, patch *resource.Resource) (*resource.Resource, error) {
 	err := r.ApplySmPatch(patch)

api/internal/crawl/go.sum

@@ -1,40 +1,20 @@
 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=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-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 v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
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@@ -42,14 +22,10 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
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@@ -57,31 +33,18 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
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@@ -90,13 +53,11 @@ github.com/go-openapi/analysis v0.19.5/go.mod h1:hkEAkxagaIvIP7VTn8ygJNkd4kAYON2
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@@ -110,7 +71,6 @@ github.com/go-openapi/loads v0.19.4/go.mod h1:zZVHonKd8DXyxyw4yfnVjPzBjIQcLt0CCs
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@@ -122,7 +82,6 @@ github.com/go-openapi/strfmt v0.18.0/go.mod h1:P82hnJI0CXkErkXi8IKjPbNBM6lV6+5pL
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-k8s.io/client-go v0.17.0 h1:8QOGvUGdqDMFrm9sD6IUFl256BcffynGoe80sxgTEDg=
-k8s.io/client-go v0.17.0/go.mod h1:TYgR6EUHs6k45hb6KWjVD6jFZvJV4gHDikv/It0xz+k=
-k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
-k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
-k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
-k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
-k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a h1:UcxjrRMyNx/i/y8G7kPvLyy7rfbeuf1PYyBf973pgyU=
-k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
-k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
-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/kyaml v0.9.4 h1:DDuzZtjIzFqp2IPy4DTyCI69Cl3bDgcJODjI6sjF9NY=
-sigs.k8s.io/kustomize/kyaml v0.9.4/go.mod h1:UTm64bSWVdBUA8EQoYCxVOaBQxUdIOr5LKWxA4GNbkw=
-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/kustomize/kyaml v0.10.12 h1:1lUvuSVETthZspl4X+Xdic/FgPAfxUbc7MKtc1vcO2c=
+sigs.k8s.io/kustomize/kyaml v0.10.12/go.mod h1:uD7q6dIrZV02fBV6D7FOgdOBcLfUmhG3ExxDIGbUM3w=
 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/crawl/index/elasticsearch.go

@@ -191,7 +191,8 @@ func (idx *index) Put(uniqueID string, doc interface{}) error {
 	}
 
 	if exists {
-		docBytes, err := json.Marshal(doc)
+		var docBytes []byte
+		docBytes, err = json.Marshal(doc)
 		if err != nil {
 			return err
 		}
@@ -204,12 +205,14 @@ func (idx *index) Put(uniqueID string, doc interface{}) error {
 			Body:       bytes.NewReader(body),
 			DocumentID: uniqueID,
 		}
-		res, err := req.Do(idx.ctx, idx.client)
+		var res *esapi.Response
+		res, err = req.Do(idx.ctx, idx.client)
 
 		err = idx.responseErrorOrNil("could not update document",
 			res, err, ignoreResponseBody)
 	} else {
-		body, err := json.Marshal(doc)
+		var body []byte
+		body, err = json.Marshal(doc)
 		if err != nil {
 			return err
 		}
@@ -219,7 +222,8 @@ func (idx *index) Put(uniqueID string, doc interface{}) error {
 			Body:       bytes.NewReader(body),
 			DocumentID: uniqueID,
 		}
-		res, err := req.Do(idx.ctx, idx.client)
+		var res *esapi.Response
+		res, err = req.Do(idx.ctx, idx.client)
 
 		err = idx.responseErrorOrNil("could not insert document",
 			res, err, ignoreResponseBody)

api/internal/generators/configmap.go

@@ -4,7 +4,6 @@
 package generators
 
 import (
-	"sigs.k8s.io/kustomize/api/filters/filtersutil"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
@@ -38,14 +37,9 @@ func MakeConfigMap(
 	if err != nil {
 		return nil, err
 	}
-	for _, k := range filtersutil.SortedMapKeys(m) {
-		fldName, vrN := makeConfigMapValueRNode(m[k])
-		if _, err = rn.Pipe(
-			yaml.LookupCreate(yaml.MappingNode, fldName),
-			yaml.SetField(k, vrN)); err != nil {
-			return nil, err
-		}
+	if err = rn.LoadMapIntoConfigMapData(m); err != nil {
+		return nil, err
 	}
 	copyLabelsAndAnnotations(rn, args.Options)
-	return rn, err
+	return rn, nil
 }

api/internal/generators/secret.go

@@ -4,7 +4,6 @@
 package generators
 
 import (
-	"sigs.k8s.io/kustomize/api/filters/filtersutil"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
@@ -37,24 +36,23 @@ func MakeSecret(
 	if err != nil {
 		return nil, err
 	}
+	t := "Opaque"
+	if args.Type != "" {
+		t = args.Type
+	}
 	if _, err := rn.Pipe(
 		yaml.FieldSetter{
 			Name:  "type",
-			Value: yaml.NewStringRNode("Opaque")}); err != nil {
+			Value: yaml.NewStringRNode(t)}); err != nil {
 		return nil, err
 	}
 	m, err := makeValidatedDataMap(ldr, args.Name, args.KvPairSources)
 	if err != nil {
 		return nil, err
 	}
-	for _, k := range filtersutil.SortedMapKeys(m) {
-		vrN := makeSecretValueRNode(m[k])
-		if _, err = rn.Pipe(
-			yaml.LookupCreate(yaml.MappingNode, yaml.DataField),
-			yaml.SetField(k, vrN)); err != nil {
-			return nil, err
-		}
+	if err = rn.LoadMapIntoSecretData(m); err != nil {
+		return nil, err
 	}
 	copyLabelsAndAnnotations(rn, args.Options)
-	return rn, err
+	return rn, nil
 }

api/internal/generators/secret_test.go

@@ -122,6 +122,34 @@ data:
   b: eQ==
   c: SGVsbG8gV29ybGQ=
   d: dHJ1ZQ==
+`,
+			},
+		},
+		"construct secret with type": {
+			args: types.SecretArgs{
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "literalSecret1",
+					KvPairSources: types.KvPairSources{
+						LiteralSources: []string{"a=x"},
+					},
+					Options: &types.GeneratorOptions{
+						Labels: map[string]string{
+							"foo": "bar",
+						},
+					},
+				},
+				Type: "foobar",
+			},
+			exp: expected{
+				out: `apiVersion: v1
+kind: Secret
+metadata:
+  name: literalSecret1
+  labels:
+    foo: 'bar'
+type: foobar
+data:
+  a: eA==
 `,
 			},
 		},

api/internal/generators/utils.go

@@ -4,13 +4,9 @@
 package generators
 
 import (
-	"encoding/base64"
 	"fmt"
-	"strings"
-	"unicode/utf8"
 
 	"github.com/go-errors/errors"
-	"sigs.k8s.io/kustomize/api/filters/filtersutil"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/yaml"
@@ -66,13 +62,13 @@ func copyLabelsAndAnnotations(
 	if opts == nil {
 		return nil
 	}
-	for _, k := range filtersutil.SortedMapKeys(opts.Labels) {
+	for _, k := range yaml.SortedMapKeys(opts.Labels) {
 		v := opts.Labels[k]
 		if _, err := rn.Pipe(yaml.SetLabel(k, v)); err != nil {
 			return err
 		}
 	}
-	for _, k := range filtersutil.SortedMapKeys(opts.Annotations) {
+	for _, k := range yaml.SortedMapKeys(opts.Annotations) {
 		v := opts.Annotations[k]
 		if _, err := rn.Pipe(yaml.SetAnnotation(k, v)); err != nil {
 			return err
@@ -80,60 +76,3 @@ func copyLabelsAndAnnotations(
 	}
 	return nil
 }
-
-// In a secret, all data is base64 encoded, regardless of its conformance
-// or lack thereof to UTF-8.
-func makeSecretValueRNode(s string) *yaml.RNode {
-	yN := &yaml.Node{Kind: yaml.ScalarNode}
-	// Purposely don't use YAML tags to identify the data as being plain text or
-	// binary.  It kubernetes Secrets the values in the `data` map are expected
-	// to be base64 encoded, and in ConfigMaps that same can be said for the
-	// values in the `binaryData` field.
-	yN.Tag = yaml.NodeTagString
-	yN.Value = encodeBase64(s)
-	if strings.Contains(yN.Value, "\n") {
-		yN.Style = yaml.LiteralStyle
-	}
-	return yaml.NewRNode(yN)
-}
-
-func makeConfigMapValueRNode(s string) (field string, rN *yaml.RNode) {
-	yN := &yaml.Node{Kind: yaml.ScalarNode}
-	yN.Tag = yaml.NodeTagString
-	if utf8.ValidString(s) {
-		field = yaml.DataField
-		yN.Value = s
-	} else {
-		field = yaml.BinaryDataField
-		yN.Value = encodeBase64(s)
-	}
-	if strings.Contains(yN.Value, "\n") {
-		yN.Style = yaml.LiteralStyle
-	}
-	return field, yaml.NewRNode(yN)
-}
-
-// encodeBase64 encodes s as base64 that is broken up into multiple lines
-// as appropriate for the resulting length.
-func encodeBase64(s string) string {
-	const lineLen = 70
-	encLen := base64.StdEncoding.EncodedLen(len(s))
-	lines := encLen/lineLen + 1
-	buf := make([]byte, encLen*2+lines)
-	in := buf[0:encLen]
-	out := buf[encLen:]
-	base64.StdEncoding.Encode(in, []byte(s))
-	k := 0
-	for i := 0; i < len(in); i += lineLen {
-		j := i + lineLen
-		if j > len(in) {
-			j = len(in)
-		}
-		k += copy(out[k:], in[i:j])
-		if lines > 1 {
-			out[k] = '\n'
-			k++
-		}
-	}
-	return string(out[:k])
-}

api/internal/git/cloner.go

@@ -4,10 +4,6 @@
 package git
 
 import (
-	"log"
-	"os/exec"
-
-	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/filesys"
 )
 
@@ -18,70 +14,29 @@ type Cloner func(repoSpec *RepoSpec) error
 // to say, some remote API, to obtain a local clone of
 // a remote repo.
 func ClonerUsingGitExec(repoSpec *RepoSpec) error {
-	gitProgram, err := exec.LookPath("git")
-	if err != nil {
-		return errors.Wrap(err, "no 'git' program on path")
-	}
-	repoSpec.Dir, err = filesys.NewTmpConfirmedDir()
+	r, err := newCmdRunner()
 	if err != nil {
 		return err
 	}
-
-	cmd := exec.Command(
-		gitProgram,
-		"clone",
-		"--depth=1",
-		repoSpec.CloneSpec(),
-		repoSpec.Dir.String())
-	out, err := cmd.CombinedOutput()
-	if err != nil {
-		log.Printf("Error cloning git repo: %s", out)
-		return errors.Wrapf(
-			err,
-			"trouble cloning git repo %v in %s",
-			repoSpec.CloneSpec(), repoSpec.Dir.String())
+	repoSpec.Dir = r.dir
+	if err = r.run("init"); err != nil {
+		return err
 	}
-
+	if err = r.run(
+		"remote", "add", "origin", repoSpec.CloneSpec()); err != nil {
+		return err
+	}
+	ref := "HEAD"
 	if repoSpec.Ref != "" {
-		cmd = exec.Command(
-			gitProgram,
-			"fetch",
-			"--depth=1",
-			"origin",
-			repoSpec.Ref)
-		cmd.Dir = repoSpec.Dir.String()
-		out, err = cmd.CombinedOutput()
-		if err != nil {
-			log.Printf("Error fetching ref: %s", out)
-			return errors.Wrapf(err, "trouble fetching %s", repoSpec.Ref)
-		}
-
-		cmd = exec.Command(
-			gitProgram,
-			"checkout",
-			"FETCH_HEAD")
-		cmd.Dir = repoSpec.Dir.String()
-		out, err = cmd.CombinedOutput()
-		if err != nil {
-			log.Printf("Error checking out ref: %s", out)
-			return errors.Wrapf(err, "trouble checking out %s", repoSpec.Ref)
-		}
+		ref = repoSpec.Ref
 	}
-
-	cmd = exec.Command(
-		gitProgram,
-		"submodule",
-		"update",
-		"--init",
-		"--recursive")
-	cmd.Dir = repoSpec.Dir.String()
-	out, err = cmd.CombinedOutput()
-	if err != nil {
-		log.Printf("Error fetching submodules: %s", out)
-		return errors.Wrapf(err, "trouble fetching submodules for %s", repoSpec.CloneSpec())
+	if err = r.run("fetch", "--depth=1", "origin", ref); err != nil {
+		return err
 	}
-
-	return nil
+	if err = r.run("checkout", "FETCH_HEAD"); err != nil {
+		return err
+	}
+	return r.run("submodule", "update", "--init", "--recursive")
 }
 
 // DoNothingCloner returns a cloner that only sets

api/internal/git/gitrunner.go

@@ -0,0 +1,58 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package git
+
+import (
+	"os/exec"
+	"time"
+
+	"github.com/pkg/errors"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/internal/utils"
+)
+
+// Arbitrary, but non-infinite, timeout for running commands.
+const defaultDuration = 27 * time.Second
+
+// gitRunner runs the external git binary.
+type gitRunner struct {
+	gitProgram string
+	duration   time.Duration
+	dir        filesys.ConfirmedDir
+}
+
+// newCmdRunner returns a gitRunner if it can find the binary.
+// It also creats a temp directory for cloning repos.
+func newCmdRunner() (*gitRunner, error) {
+	gitProgram, err := exec.LookPath("git")
+	if err != nil {
+		return nil, errors.Wrap(err, "no 'git' program on path")
+	}
+	dir, err := filesys.NewTmpConfirmedDir()
+	if err != nil {
+		return nil, err
+	}
+	return &gitRunner{
+		gitProgram: gitProgram,
+		duration:   defaultDuration,
+		dir:        dir,
+	}, nil
+}
+
+// run a command with a timeout.
+func (r gitRunner) run(args ...string) error {
+	//nolint: gosec
+	cmd := exec.Command(r.gitProgram, args...)
+	cmd.Dir = r.dir.String()
+	return utils.TimedCall(
+		cmd.String(),
+		r.duration,
+		func() error {
+			_, err := cmd.CombinedOutput()
+			if err != nil {
+				return errors.Wrapf(err, "git cmd = '%s'", cmd.String())
+			}
+			return err
+		})
+}

api/internal/k8sdeps/configmapandsecret/configmapfactory.go

@@ -1,68 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-// Package configmapandsecret generates configmaps and secrets per generator rules.
-package configmapandsecret
-
-import (
-	"fmt"
-	"unicode/utf8"
-
-	"github.com/pkg/errors"
-	corev1 "k8s.io/api/core/v1"
-	"sigs.k8s.io/kustomize/api/types"
-)
-
-func makeFreshConfigMap(
-	args *types.ConfigMapArgs) *corev1.ConfigMap {
-	cm := &corev1.ConfigMap{}
-	cm.APIVersion = "v1"
-	cm.Kind = "ConfigMap"
-	cm.Name = args.Name
-	cm.Namespace = args.Namespace
-	cm.Data = map[string]string{}
-	return cm
-}
-
-// MakeConfigMap returns a new ConfigMap, or nil and an 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")
-	}
-	cm := makeFreshConfigMap(args)
-	for _, p := range all {
-		err = f.addKvToConfigMap(cm, p)
-		if err != nil {
-			return nil, errors.Wrap(err, "trouble mapping")
-		}
-	}
-	f.copyLabelsAndAnnotations(cm, args.Options)
-	return cm, nil
-}
-
-// addKvToConfigMap adds the given key and data to the given config map.
-// Error if key invalid, or already exists.
-func (f *Factory) addKvToConfigMap(configMap *corev1.ConfigMap, p types.Pair) error {
-	if err := f.kvLdr.Validator().ErrIfInvalidKey(p.Key); err != nil {
-		return err
-	}
-	// If the configmap data contains byte sequences that are all in the UTF-8
-	// range, we will write it to .Data
-	if utf8.Valid([]byte(p.Value)) {
-		if _, entryExists := configMap.Data[p.Key]; entryExists {
-			return fmt.Errorf(keyExistsErrorMsg, p.Key, configMap.Data)
-		}
-		configMap.Data[p.Key] = p.Value
-		return nil
-	}
-	// otherwise, it's BinaryData
-	if configMap.BinaryData == nil {
-		configMap.BinaryData = map[string][]byte{}
-	}
-	if _, entryExists := configMap.BinaryData[p.Key]; entryExists {
-		return fmt.Errorf(keyExistsErrorMsg, p.Key, configMap.BinaryData)
-	}
-	configMap.BinaryData[p.Key] = []byte(p.Value)
-	return nil
-}

api/internal/k8sdeps/configmapandsecret/configmapfactory_test.go

@@ -1,189 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package configmapandsecret
-
-import (
-	"path/filepath"
-	"reflect"
-	"testing"
-
-	corev1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/kustomize/api/filesys"
-	"sigs.k8s.io/kustomize/api/kv"
-	"sigs.k8s.io/kustomize/api/loader"
-	valtest_test "sigs.k8s.io/kustomize/api/testutils/valtest"
-	"sigs.k8s.io/kustomize/api/types"
-)
-
-func makeEnvConfigMap(name string) *corev1.ConfigMap {
-	return &corev1.ConfigMap{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: "v1",
-			Kind:       "ConfigMap",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Data: map[string]string{
-			"DB_USERNAME": "admin",
-			"DB_PASSWORD": "somepw",
-		},
-	}
-}
-
-func makeFileConfigMap(name string) *corev1.ConfigMap {
-	return &corev1.ConfigMap{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: "v1",
-			Kind:       "ConfigMap",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Data: map[string]string{
-			"app-init.ini": `FOO=bar
-BAR=baz
-`,
-		},
-		BinaryData: map[string][]byte{
-			"app.bin": {0xff, 0xfd},
-		},
-	}
-}
-
-func makeLiteralConfigMap(name string, labels, annotations map[string]string) *corev1.ConfigMap {
-	cm := &corev1.ConfigMap{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: "v1",
-			Kind:       "ConfigMap",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Data: map[string]string{
-			"a": "x",
-			"b": "y",
-			"c": "Hello World",
-			"d": "true",
-		},
-	}
-	if labels != nil {
-		cm.SetLabels(labels)
-	}
-	if annotations != nil {
-		cm.SetAnnotations(annotations)
-	}
-	return cm
-}
-
-func TestConstructConfigMap(t *testing.T) {
-	type testCase struct {
-		description string
-		input       types.ConfigMapArgs
-		expected    *corev1.ConfigMap
-	}
-
-	testCases := []testCase{
-		{
-			description: "construct config map from env",
-			input: types.ConfigMapArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "envConfigMap",
-					KvPairSources: types.KvPairSources{
-						EnvSources: []string{
-							filepath.Join("configmap", "app.env"),
-						},
-					},
-				},
-			},
-			expected: makeEnvConfigMap("envConfigMap"),
-		},
-		{
-			description: "construct config map from file",
-			input: types.ConfigMapArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "fileConfigMap",
-					KvPairSources: types.KvPairSources{
-						FileSources: []string{
-							filepath.Join("configmap", "app-init.ini"),
-							filepath.Join("configmap", "app.bin"),
-						},
-					},
-				},
-			},
-			expected: makeFileConfigMap("fileConfigMap"),
-		},
-		{
-			description: "construct config map from literal",
-			input: types.ConfigMapArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "literalConfigMap",
-					KvPairSources: types.KvPairSources{
-						LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
-					},
-					Options: &types.GeneratorOptions{
-						Labels: map[string]string{
-							"foo": "bar",
-						},
-					},
-				},
-			},
-			expected: makeLiteralConfigMap("literalConfigMap", map[string]string{
-				"foo": "bar",
-			}, nil),
-		},
-		{
-			description: "construct config map from literal with GeneratorOptions in ConfigMapArgs",
-			input: types.ConfigMapArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "literalConfigMap",
-					KvPairSources: types.KvPairSources{
-						LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
-					},
-					Options: &types.GeneratorOptions{
-						Labels: map[string]string{
-							"foo": "changed",
-							"cat": "dog",
-						},
-						Annotations: map[string]string{
-							"foo": "changed",
-							"cat": "dog",
-						},
-					},
-				},
-			},
-			expected: makeLiteralConfigMap("literalConfigMap", map[string]string{
-				"foo": "changed",
-				"cat": "dog",
-			}, map[string]string{
-				"foo": "changed",
-				"cat": "dog",
-			}),
-		},
-	}
-
-	fSys := filesys.MakeFsInMemory()
-	fSys.WriteFile(
-		filesys.RootedPath("configmap", "app.env"),
-		[]byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
-	fSys.WriteFile(
-		filesys.RootedPath("configmap", "app-init.ini"),
-		[]byte("FOO=bar\nBAR=baz\n"))
-	fSys.WriteFile(
-		filesys.RootedPath("configmap", "app.bin"),
-		[]byte{0xff, 0xfd})
-	kvLdr := kv.NewLoader(
-		loader.NewFileLoaderAtRoot(fSys),
-		valtest_test.MakeFakeValidator())
-	for _, tc := range testCases {
-		cm, err := NewFactory(kvLdr).MakeConfigMap(&tc.input)
-		if err != nil {
-			t.Fatalf("unexpected error: %v", err)
-		}
-		if !reflect.DeepEqual(*cm, *tc.expected) {
-			t.Fatalf("in testcase: %q updated:\n%#v\ndoesn't match expected:\n%#v\n", tc.description, *cm, tc.expected)
-		}
-	}
-}

api/internal/k8sdeps/configmapandsecret/factory.go

@@ -1,37 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package configmapandsecret
-
-import (
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/kustomize/api/ifc"
-	"sigs.k8s.io/kustomize/api/types"
-)
-
-// Factory makes ConfigMaps and Secrets.
-type Factory struct {
-	kvLdr ifc.KvLoader
-}
-
-// NewFactory returns a new factory that makes ConfigMaps and Secrets.
-func NewFactory(kvLdr ifc.KvLoader) *Factory {
-	return &Factory{kvLdr: kvLdr}
-}
-
-// 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.Labels != nil {
-		obj.SetLabels(types.CopyMap(opts.Labels))
-	}
-	if opts.Annotations != nil {
-		obj.SetAnnotations(types.CopyMap(opts.Annotations))
-	}
-}
-
-const keyExistsErrorMsg = "cannot add key %s, another key by that name already exists: %v"

api/internal/k8sdeps/configmapandsecret/secretfactory.go

@@ -1,54 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package configmapandsecret
-
-import (
-	"fmt"
-
-	corev1 "k8s.io/api/core/v1"
-	"sigs.k8s.io/kustomize/api/types"
-)
-
-func makeFreshSecret(
-	args *types.SecretArgs) *corev1.Secret {
-	s := &corev1.Secret{}
-	s.APIVersion = "v1"
-	s.Kind = "Secret"
-	s.Name = args.Name
-	s.Namespace = args.Namespace
-	s.Type = corev1.SecretType(args.Type)
-	if s.Type == "" {
-		s.Type = corev1.SecretTypeOpaque
-	}
-	s.Data = map[string][]byte{}
-	return s
-}
-
-// MakeSecret returns a new secret.
-func (f *Factory) MakeSecret(args *types.SecretArgs) (*corev1.Secret, error) {
-	all, err := f.kvLdr.Load(args.KvPairSources)
-	if err != nil {
-		return nil, err
-	}
-	s := makeFreshSecret(args)
-	for _, p := range all {
-		err = f.addKvToSecret(s, p.Key, p.Value)
-		if err != nil {
-			return nil, err
-		}
-	}
-	f.copyLabelsAndAnnotations(s, args.Options)
-	return s, nil
-}
-
-func (f *Factory) addKvToSecret(secret *corev1.Secret, keyName, data string) error {
-	if err := f.kvLdr.Validator().ErrIfInvalidKey(keyName); err != nil {
-		return err
-	}
-	if _, entryExists := secret.Data[keyName]; entryExists {
-		return fmt.Errorf(keyExistsErrorMsg, keyName, secret.Data)
-	}
-	secret.Data[keyName] = []byte(data)
-	return nil
-}

api/internal/k8sdeps/configmapandsecret/secretfactory_test.go

@@ -1,154 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package configmapandsecret
-
-import (
-	"reflect"
-	"testing"
-
-	corev1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"sigs.k8s.io/kustomize/api/filesys"
-	"sigs.k8s.io/kustomize/api/kv"
-	"sigs.k8s.io/kustomize/api/loader"
-	valtest_test "sigs.k8s.io/kustomize/api/testutils/valtest"
-	"sigs.k8s.io/kustomize/api/types"
-)
-
-func makeEnvSecret(name string) *corev1.Secret {
-	return &corev1.Secret{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: "v1",
-			Kind:       "Secret",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Data: map[string][]byte{
-			"DB_PASSWORD": []byte("somepw"),
-			"DB_USERNAME": []byte("admin"),
-		},
-		Type: "Opaque",
-	}
-}
-
-func makeFileSecret(name string) *corev1.Secret {
-	return &corev1.Secret{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: "v1",
-			Kind:       "Secret",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Data: map[string][]byte{
-			"app-init.ini": []byte(`FOO=bar
-BAR=baz
-`),
-		},
-		Type: "Opaque",
-	}
-}
-
-func makeLiteralSecret(name string, labels, annotations map[string]string) *corev1.Secret {
-	s := &corev1.Secret{
-		TypeMeta: metav1.TypeMeta{
-			APIVersion: "v1",
-			Kind:       "Secret",
-		},
-		ObjectMeta: metav1.ObjectMeta{
-			Name: name,
-		},
-		Data: map[string][]byte{
-			"a": []byte("x"),
-			"b": []byte("y"),
-		},
-		Type: "Opaque",
-	}
-	if labels != nil {
-		s.SetLabels(labels)
-	}
-	if annotations != nil {
-		s.SetAnnotations(annotations)
-	}
-	return s
-}
-
-func TestConstructSecret(t *testing.T) {
-	type testCase struct {
-		description string
-		input       types.SecretArgs
-		expected    *corev1.Secret
-	}
-
-	testCases := []testCase{
-		{
-			description: "construct secret from env",
-			input: types.SecretArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "envSecret",
-					KvPairSources: types.KvPairSources{
-						EnvSources: []string{"secret/app.env"},
-					},
-				},
-			},
-			expected: makeEnvSecret("envSecret"),
-		},
-		{
-			description: "construct secret from file",
-			input: types.SecretArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "fileSecret",
-					KvPairSources: types.KvPairSources{
-						FileSources: []string{"secret/app-init.ini"},
-					},
-				},
-			},
-			expected: makeFileSecret("fileSecret"),
-		},
-		{
-			description: "construct secret from literal",
-			input: types.SecretArgs{
-				GeneratorArgs: types.GeneratorArgs{
-					Name: "literalSecret",
-					KvPairSources: types.KvPairSources{
-						LiteralSources: []string{"a=x", "b=y"},
-					},
-					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",
-			}, map[string]string{
-				"fruit": "banana",
-				"pet":   "dog",
-			}),
-		},
-	}
-
-	fSys := filesys.MakeFsInMemory()
-	fSys.WriteFile("/secret/app.env", []byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
-	fSys.WriteFile("/secret/app-init.ini", []byte("FOO=bar\nBAR=baz\n"))
-	kvLdr := kv.NewLoader(
-		loader.NewFileLoaderAtRoot(fSys),
-		valtest_test.MakeFakeValidator())
-	for _, tc := range testCases {
-		f := NewFactory(kvLdr)
-		cm, err := f.MakeSecret(&tc.input)
-		if err != nil {
-			t.Fatalf("unexpected error: %v", err)
-		}
-		if !reflect.DeepEqual(*cm, *tc.expected) {
-			t.Fatalf("in testcase: %q updated:\n%#v\ndoesn't match expected:\n%#v\n", tc.description, *cm, tc.expected)
-		}
-	}
-}

api/internal/k8sdeps/conflict/conflictdetectorjson.go

@@ -1,43 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package conflict
-
-import (
-	"encoding/json"
-
-	jsonpatch "github.com/evanphx/json-patch"
-	"k8s.io/apimachinery/pkg/util/mergepatch"
-	"sigs.k8s.io/kustomize/api/resource"
-)
-
-// conflictDetectorJson detects conflicts in a list of JSON patches.
-type conflictDetectorJson struct {
-	resourceFactory *resource.Factory
-}
-
-var _ resource.ConflictDetector = &conflictDetectorJson{}
-
-func (cd *conflictDetectorJson) HasConflict(
-	p1, p2 *resource.Resource) (bool, error) {
-	return mergepatch.HasConflicts(p1.Map(), p2.Map())
-}
-
-func (cd *conflictDetectorJson) MergePatches(
-	patch1, patch2 *resource.Resource) (*resource.Resource, error) {
-	baseBytes, err := json.Marshal(patch1.Map())
-	if err != nil {
-		return nil, err
-	}
-	patchBytes, err := json.Marshal(patch2.Map())
-	if err != nil {
-		return nil, err
-	}
-	mergedBytes, err := jsonpatch.MergeMergePatches(baseBytes, patchBytes)
-	if err != nil {
-		return nil, err
-	}
-	mergedMap := make(map[string]interface{})
-	err = json.Unmarshal(mergedBytes, &mergedMap)
-	return cd.resourceFactory.FromMap(mergedMap), err
-}

api/internal/k8sdeps/conflict/conflictdetectorsm.go

@@ -1,65 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package conflict
-
-import (
-	"fmt"
-
-	"k8s.io/apimachinery/pkg/util/strategicpatch"
-	"sigs.k8s.io/kustomize/api/resource"
-)
-
-// conflictDetectorSm detects conflicts in a list of strategic merge patches.
-type conflictDetectorSm struct {
-	lookupPatchMeta strategicpatch.LookupPatchMeta
-	resourceFactory *resource.Factory
-}
-
-var _ resource.ConflictDetector = &conflictDetectorSm{}
-
-func (cd *conflictDetectorSm) HasConflict(
-	p1, p2 *resource.Resource) (bool, error) {
-	return strategicpatch.MergingMapsHaveConflicts(
-		p1.Map(), p2.Map(), cd.lookupPatchMeta)
-}
-
-func (cd *conflictDetectorSm) MergePatches(
-	patch1, patch2 *resource.Resource) (*resource.Resource, error) {
-	if cd.hasDeleteDirectiveMarker(patch2.Map()) {
-		if cd.hasDeleteDirectiveMarker(patch1.Map()) {
-			return nil, fmt.Errorf(
-				"cannot merge patches both containing '$patch: delete' directives")
-		}
-		patch1, patch2 = patch2, patch1
-	}
-	mergedMap, err := strategicpatch.MergeStrategicMergeMapPatchUsingLookupPatchMeta(
-		cd.lookupPatchMeta, patch1.Map(), patch2.Map())
-	return cd.resourceFactory.FromMap(mergedMap), err
-}
-
-func (cd *conflictDetectorSm) hasDeleteDirectiveMarker(
-	patch map[string]interface{}) bool {
-	if v, ok := patch["$patch"]; ok && v == "delete" {
-		return true
-	}
-	for _, v := range patch {
-		switch typedV := v.(type) {
-		case map[string]interface{}:
-			if cd.hasDeleteDirectiveMarker(typedV) {
-				return true
-			}
-		case []interface{}:
-			for _, sv := range typedV {
-				typedE, ok := sv.(map[string]interface{})
-				if !ok {
-					break
-				}
-				if cd.hasDeleteDirectiveMarker(typedE) {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}

api/internal/k8sdeps/conflict/factory.go

@@ -1,45 +0,0 @@
-// Copyright 2020 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package conflict
-
-import (
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	sp "k8s.io/apimachinery/pkg/util/strategicpatch"
-	"k8s.io/client-go/kubernetes/scheme"
-	"sigs.k8s.io/kustomize/api/resid"
-	"sigs.k8s.io/kustomize/api/resource"
-)
-
-type cdFactory struct {
-	rf *resource.Factory
-}
-
-var _ resource.ConflictDetectorFactory = &cdFactory{}
-
-// NewFactory returns a conflict detector factory.
-// The detector uses a resource factory to convert resources to/from
-// json/yaml/maps representations.
-func NewFactory(rf *resource.Factory) resource.ConflictDetectorFactory {
-	return &cdFactory{rf: rf}
-}
-
-// New returns a conflict detector that's aware of the GVK type.
-func (f *cdFactory) New(gvk resid.Gvk) (resource.ConflictDetector, error) {
-	// Convert to apimachinery representation of object
-	obj, err := scheme.Scheme.New(schema.GroupVersionKind{
-		Group:   gvk.Group,
-		Version: gvk.Version,
-		Kind:    gvk.Kind,
-	})
-	if err == nil {
-		meta, err := sp.NewPatchMetaFromStruct(obj)
-		return &conflictDetectorSm{
-			lookupPatchMeta: meta, resourceFactory: f.rf}, err
-	}
-	if runtime.IsNotRegisteredError(err) {
-		return &conflictDetectorJson{resourceFactory: f.rf}, nil
-	}
-	return nil, err
-}

api/internal/plugins/builtinconfig/namebackreferences.go

@@ -10,8 +10,8 @@ import (
 	"sigs.k8s.io/kustomize/api/types"
 )
 
-// NameBackReferences is an association between a gvk.GVK and a list
-// of FieldSpec instances that could refer to it.
+// NameBackReferences is an association between a gvk.GVK (a ReferralTarget)
+// and a list of Referrers that could refer to it.
 //
 // It is used to handle name changes, and can be thought of as a
 // a contact list.  If you change your own contact info (name,
@@ -19,16 +19,20 @@ import (
 // know about the change.
 //
 // For example, ConfigMaps can be used by Pods and everything that
-// contains a Pod; Deployment, Job, StatefulSet, etc.  To change
-// the name of a ConfigMap instance from 'alice' to 'bob', one
-// must visit all objects that could refer to the ConfigMap, see if
-// they mention 'alice', and if so, change the reference to 'bob'.
+// contains a Pod; Deployment, Job, StatefulSet, etc.
+// The ConfigMap is the ReferralTarget, the others are Referrers.
+//
+// If the the name of a ConfigMap instance changed from 'alice' to 'bob',
+// one must
+//  - visit all objects that could refer to the ConfigMap (the Referrers)
+//  - see if they mention 'alice',
+//  - if so, change the Referrer's name reference to 'bob'.
 //
 // The NameBackReferences instance to aid in this could look like
 //   {
 //     kind: ConfigMap
 //     version: v1
-//     FieldSpecs:
+//     fieldSpecs:
 //     - kind: Pod
 //       version: v1
 //       path: spec/volumes/configMap/name
@@ -39,13 +43,15 @@ import (
 //       (etc.)
 //   }
 type NameBackReferences struct {
-	resid.Gvk  `json:",inline,omitempty" yaml:",inline,omitempty"`
-	FieldSpecs types.FsSlice `json:"FieldSpecs,omitempty" yaml:"FieldSpecs,omitempty"`
+	resid.Gvk `json:",inline,omitempty" yaml:",inline,omitempty"`
+	// TODO: rename json 'fieldSpecs' to 'referrers' for clarity.
+	// This will, however, break anyone using a custom config.
+	Referrers types.FsSlice `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
 func (n NameBackReferences) String() string {
 	var r []string
-	for _, f := range n.FieldSpecs {
+	for _, f := range n.Referrers {
 		r = append(r, f.String())
 	}
 	return n.Gvk.String() + ":  (\n" +
@@ -77,7 +83,7 @@ func (s nbrSlice) mergeOne(other NameBackReferences) (nbrSlice, error) {
 	found := false
 	for _, c := range s {
 		if c.Gvk.Equals(other.Gvk) {
-			c.FieldSpecs, err = c.FieldSpecs.MergeAll(other.FieldSpecs)
+			c.Referrers, err = c.Referrers.MergeAll(other.Referrers)
 			if err != nil {
 				return nil, err
 			}

api/internal/plugins/builtinconfig/namebackreferences_test.go

@@ -50,13 +50,13 @@ func TestMergeAll(t *testing.T) {
 			Gvk: resid.Gvk{
 				Kind: "ConfigMap",
 			},
-			FieldSpecs: fsSlice1,
+			Referrers: fsSlice1,
 		},
 		{
 			Gvk: resid.Gvk{
 				Kind: "Secret",
 			},
-			FieldSpecs: fsSlice2,
+			Referrers: fsSlice2,
 		},
 	}
 	nbrsSlice2 := nbrSlice{
@@ -64,13 +64,13 @@ func TestMergeAll(t *testing.T) {
 			Gvk: resid.Gvk{
 				Kind: "ConfigMap",
 			},
-			FieldSpecs: fsSlice1,
+			Referrers: fsSlice1,
 		},
 		{
 			Gvk: resid.Gvk{
 				Kind: "Secret",
 			},
-			FieldSpecs: fsSlice2,
+			Referrers: fsSlice2,
 		},
 	}
 	expected := nbrSlice{
@@ -78,13 +78,13 @@ func TestMergeAll(t *testing.T) {
 			Gvk: resid.Gvk{
 				Kind: "ConfigMap",
 			},
-			FieldSpecs: fsSlice1,
+			Referrers: fsSlice1,
 		},
 		{
 			Gvk: resid.Gvk{
 				Kind: "Secret",
 			},
-			FieldSpecs: fsSlice2,
+			Referrers: fsSlice2,
 		},
 	}
 	actual, err := nbrsSlice1.mergeAll(nbrsSlice2)

api/internal/plugins/builtinconfig/transformerconfig_test.go

@@ -24,7 +24,7 @@ func TestAddNamereferenceFieldSpec(t *testing.T) {
 		Gvk: resid.Gvk{
 			Kind: "KindA",
 		},
-		FieldSpecs: []types.FieldSpec{
+		Referrers: []types.FieldSpec{
 			{
 				Gvk: resid.Gvk{
 					Kind: "KindB",
@@ -89,7 +89,7 @@ func TestMerge(t *testing.T) {
 			Gvk: resid.Gvk{
 				Kind: "KindA",
 			},
-			FieldSpecs: []types.FieldSpec{
+			Referrers: []types.FieldSpec{
 				{
 					Gvk: resid.Gvk{
 						Kind: "KindB",
@@ -103,7 +103,7 @@ func TestMerge(t *testing.T) {
 			Gvk: resid.Gvk{
 				Kind: "KindA",
 			},
-			FieldSpecs: []types.FieldSpec{
+			Referrers: []types.FieldSpec{
 				{
 					Gvk: resid.Gvk{
 						Kind: "KindC",

api/internal/plugins/execplugin/execplugin_test.go

@@ -45,6 +45,7 @@ s/$BAR/bar baz/g
 			"argsFromFile": "sed-input.txt",
 		})
 
+	pluginConfig.RemoveBuildAnnotations()
 	p := NewExecPlugin(
 		pLdr.AbsolutePluginPath(
 			konfig.DisabledPluginConfig(),

api/internal/plugins/utils/utils.go

@@ -4,6 +4,7 @@
 package utils
 
 import (
+	"encoding/json"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -13,8 +14,8 @@ import (
 
 	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/konfig"
-	"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"
 )
@@ -135,9 +136,6 @@ func GetResMapWithIDAnnotation(rm resmap.ResMap) (resmap.ResMap, error) {
 			return nil, err
 		}
 		annotations := r.GetAnnotations()
-		if annotations == nil {
-			annotations = make(map[string]string)
-		}
 		annotations[idAnnotation] = string(idString)
 		r.SetAnnotations(annotations)
 	}
@@ -147,41 +145,65 @@ func GetResMapWithIDAnnotation(rm resmap.ResMap) (resmap.ResMap, error) {
 // UpdateResMapValues updates the Resource value in the given ResMap
 // with the emitted Resource values in output.
 func UpdateResMapValues(pluginName string, h *resmap.PluginHelpers, output []byte, rm resmap.ResMap) error {
-	outputRM, err := h.ResmapFactory().NewResMapFromBytes(output)
+	mapFactory := h.ResmapFactory()
+	resFactory := mapFactory.RF()
+	resources, err := resFactory.SliceFromBytes(output)
 	if err != nil {
 		return err
 	}
-	for _, r := range outputRM.Resources() {
-		// for each emitted Resource, find the matching Resource in the original ResMap
-		// using its id
-		annotations := r.GetAnnotations()
-		idString, ok := annotations[idAnnotation]
-		if !ok {
-			return fmt.Errorf("the transformer %s should not remove annotation %s",
-				pluginName, idAnnotation)
+	// Don't use resources here, or error message will be unfriendly to plugin builders
+	newMap, err := mapFactory.NewResMapFromBytes([]byte{})
+	if err != nil {
+		return err
+	}
+
+	for _, r := range resources {
+		removeIDAnnotation(r) // stale--not manipulated by plugin transformers
+
+		// Add to the new map, checking for duplicates
+		if err := newMap.Append(r); err != nil {
+			prettyID, err := json.Marshal(r.CurId())
+			if err != nil {
+				prettyID = []byte(r.CurId().String())
+			}
+			return fmt.Errorf("plugin %s generated duplicate resource: %s", pluginName, prettyID)
 		}
-		id := resid.ResId{}
-		err := yaml.Unmarshal([]byte(idString), &id)
+
+		// Add to or update the old map
+		oldIdx, err := rm.GetIndexOfCurrentId(r.CurId())
 		if err != nil {
 			return err
 		}
-		res, err := rm.GetByCurrentId(id)
-		if err != nil {
-			return fmt.Errorf("unable to find unique match to %s", id.String())
+		if oldIdx != -1 {
+			rm.GetByIndex(oldIdx).ResetPrimaryData(r)
+		} else {
+			if err := rm.Append(r); err != nil {
+				return err
+			}
 		}
-		// remove the annotation set by Kustomize to track the resource
-		delete(annotations, idAnnotation)
-		if len(annotations) == 0 {
-			annotations = nil
-		}
-		r.SetAnnotations(annotations)
-
-		// update the resource value with the transformed object
-		res.ResetPrimaryData(r)
 	}
+
+	// Remove items the transformer deleted from the old map
+	for _, id := range rm.AllIds() {
+		newIdx, _ := newMap.GetIndexOfCurrentId(id)
+		if newIdx == -1 {
+			rm.Remove(id)
+		}
+	}
+
 	return nil
 }
 
+func removeIDAnnotation(r *resource.Resource) {
+	// remove the annotation set by Kustomize to track the resource
+	annotations := r.GetAnnotations()
+	delete(annotations, idAnnotation)
+	if len(annotations) == 0 {
+		annotations = nil
+	}
+	r.SetAnnotations(annotations)
+}
+
 // UpdateResourceOptions updates the generator options for each resource in the
 // given ResMap based on plugin provided annotations.
 func UpdateResourceOptions(rm resmap.ResMap) (resmap.ResMap, error) {

api/internal/target/kusttarget.go

@@ -6,9 +6,9 @@ package target
 import (
 	"encoding/json"
 	"fmt"
+	"path/filepath"
 	"strings"
 
-	"github.com/hashicorp/go-multierror"
 	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/builtins"
 	"sigs.k8s.io/kustomize/api/ifc"
@@ -19,6 +19,7 @@ import (
 	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/openapi"
 	"sigs.k8s.io/yaml"
 )
 
@@ -334,20 +335,15 @@ func (kt *KustTarget) accumulateResources(
 	for _, path := range paths {
 		// try loading resource as file then as base (directory or git repository)
 		if errF := kt.accumulateFile(ra, path); errF != nil {
-			ldr, errL := kt.ldr.New(path)
-			if errL != nil {
-				return nil, multierror.Append(
-					fmt.Errorf("accumulateFile error: %q", errF),
-					fmt.Errorf("loader.New error: %q", errL),
-				)
+			ldr, err := kt.ldr.New(path)
+			if err != nil {
+				return nil, errors.Wrapf(
+					err, "accumulation err='%s'", errF.Error())
 			}
-			var errD error
-			ra, errD = kt.accumulateDirectory(ra, ldr, false)
-			if errD != nil {
-				return nil, multierror.Append(
-					fmt.Errorf("accumulateFile error: %q", errF),
-					fmt.Errorf("accumulateDirector error: %q", errD),
-				)
+			ra, err = kt.accumulateDirectory(ra, ldr, false)
+			if err != nil {
+				return nil, errors.Wrapf(
+					err, "accumulation err='%s'", errF.Error())
 			}
 		}
 	}
@@ -382,6 +378,18 @@ func (kt *KustTarget) accumulateDirectory(
 		return nil, errors.Wrapf(
 			err, "couldn't make target for path '%s'", ldr.Root())
 	}
+	var bytes []byte
+	path := ldr.Root()
+	if openApiPath, exists := subKt.Kustomization().OpenAPI["path"]; exists {
+		bytes, err = ldr.Load(filepath.Join(path, openApiPath))
+		if err != nil {
+			return nil, err
+		}
+	}
+	err = openapi.SetSchema(subKt.Kustomization().OpenAPI, bytes, false)
+	if err != nil {
+		return nil, err
+	}
 	if isComponent && subKt.kustomization.Kind != types.ComponentKind {
 		return nil, fmt.Errorf(
 			"expected kind '%s' for path '%s' but got '%s'", types.ComponentKind, ldr.Root(), subKt.kustomization.Kind)

api/internal/target/kusttarget_test.go

@@ -244,6 +244,7 @@ metadata:
 			t.Fatalf("unexpected error %v", err)
 		}
 	}
+	expected.RemoveBuildAnnotations()
 	expYaml, err := expected.AsYaml()
 	assert.NoError(t, err)
 
@@ -251,6 +252,7 @@ metadata:
 	assert.NoError(t, kt.Load())
 	actual, err := kt.MakeCustomizedResMap()
 	assert.NoError(t, err)
+	actual.RemoveBuildAnnotations()
 	actYaml, err := actual.AsYaml()
 	assert.NoError(t, err)
 	assert.Equal(t, expYaml, actYaml)

api/internal/target/multitransformer.go

@@ -42,6 +42,14 @@ func (o *multiTransformer) transform(m resmap.ResMap) error {
 			return err
 		}
 	}
+	for _, r := range m.Resources() {
+		if r.IsEmpty() {
+			err := m.Remove(r.CurId())
+			if err != nil {
+				return err
+			}
+		}
+	}
 	return nil
 }
 

api/internal/tools/tools.go

@@ -1,25 +0,0 @@
-// +build tools
-
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-// This file exists to automatically trigger installs
-// of the given tools, and is the official 'unofficial'
-// way to declare a dependence on a Go binary until
-// some better technique comes along.
-
-package tools
-
-import (
-	// for code generation
-	_ "golang.org/x/tools/cmd/stringer"
-	// for lint checks
-	_ "github.com/golangci/golangci-lint/cmd/golangci-lint"
-	// REMOVED pluginator from this process, and leaving
-	// this note to discourage its reintroduction,
-	// because pluginator depends on the api, forcing
-	// major version increments in pluginator with each
-	// api release to allow this trick to work and not
-	// introduce cycles.
-	// _ "sigs.k8s.io/kustomize/cmd/pluginator/v2"
-)

api/internal/utils/errtimeout.go

@@ -0,0 +1,36 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package utils
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/pkg/errors"
+)
+
+type errTimeOut struct {
+	duration time.Duration
+	cmd      string
+}
+
+func NewErrTimeOut(d time.Duration, c string) errTimeOut {
+	return errTimeOut{duration: d, cmd: c}
+}
+
+func (e errTimeOut) Error() string {
+	return fmt.Sprintf("hit %s timeout running '%s'", e.duration, e.cmd)
+}
+
+func IsErrTimeout(err error) bool {
+	if err == nil {
+		return false
+	}
+	_, ok := err.(errTimeOut)
+	if ok {
+		return true
+	}
+	_, ok = errors.Cause(err).(errTimeOut)
+	return ok
+}

api/internal/utils/pathsplitter.go

@@ -0,0 +1,22 @@
+// Copyright 2021 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package utils
+
+import "strings"
+
+// PathSplitter splits a slash delimited string, permitting escaped slashes.
+func PathSplitter(path string) []string {
+	ps := strings.Split(path, "/")
+	var res []string
+	res = append(res, ps[0])
+	for i := 1; i < len(ps); i++ {
+		last := len(res) - 1
+		if strings.HasSuffix(res[last], `\`) {
+			res[last] = strings.TrimSuffix(res[last], `\`) + "/" + ps[i]
+		} else {
+			res = append(res, ps[i])
+		}
+	}
+	return res
+}

api/internal/utils/pathsplitter_test.go

@@ -0,0 +1,49 @@
+// Copyright 2021 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package utils_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	. "sigs.k8s.io/kustomize/api/internal/utils"
+)
+
+func TestPathSplitter(t *testing.T) {
+	for _, tc := range []struct {
+		exp  []string
+		path string
+	}{
+		{
+			path: "",
+			exp:  []string{""},
+		},
+		{
+			path: "s",
+			exp:  []string{"s"},
+		},
+		{
+			path: "a/b/c",
+			exp:  []string{"a", "b", "c"},
+		},
+		{
+			path: `a/b[]/c`,
+			exp:  []string{"a", "b[]", "c"},
+		},
+		{
+			path: `a/b\/c/d\/e/f`,
+			exp:  []string{"a", "b/c", "d/e", "f"},
+		},
+		{
+			// The actual reason for this.
+			path: `metadata/annotations/nginx.ingress.kubernetes.io\/auth-secret`,
+			exp: []string{
+				"metadata",
+				"annotations",
+				"nginx.ingress.kubernetes.io/auth-secret"},
+		},
+	} {
+		assert.Equal(t, tc.exp, PathSplitter(tc.path))
+	}
+}

api/internal/utils/timedcall.go

@@ -0,0 +1,23 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package utils
+
+import (
+	"time"
+)
+
+// TimedCall runs fn, failing if it doesn't complete in the given duration.
+// The description is used in the timeout error message.
+func TimedCall(description string, d time.Duration, fn func() error) error {
+	done := make(chan error)
+	timer := time.NewTimer(d)
+	defer timer.Stop()
+	go func() { done <- fn() }()
+	select {
+	case err := <-done:
+		return err
+	case <-timer.C:
+		return NewErrTimeOut(d, description)
+	}
+}

api/internal/utils/timedcall_test.go

@@ -0,0 +1,64 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package utils_test
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	. "sigs.k8s.io/kustomize/api/internal/utils"
+)
+
+const (
+	timeToWait = 10 * time.Millisecond
+	tooSlow    = 2 * timeToWait
+)
+
+func errMsg(msg string) string {
+	return fmt.Sprintf("hit %s timeout running '%s'", timeToWait, msg)
+}
+
+func TestTimedCallFastNoError(t *testing.T) {
+	err := TimedCall(
+		"fast no error", timeToWait,
+		func() error { return nil })
+	if !assert.NoError(t, err) {
+		t.Fatal(err)
+	}
+}
+
+func TestTimedCallFastWithError(t *testing.T) {
+	err := TimedCall(
+		"fast with error", timeToWait,
+		func() error { return assert.AnError })
+	if assert.Error(t, err) {
+		assert.EqualError(t, err, assert.AnError.Error())
+	} else {
+		t.Fail()
+	}
+}
+
+func TestTimedCallSlowNoError(t *testing.T) {
+	err := TimedCall(
+		"slow no error", timeToWait,
+		func() error { time.Sleep(tooSlow); return nil })
+	if assert.Error(t, err) {
+		assert.EqualError(t, err, errMsg("slow no error"))
+	} else {
+		t.Fail()
+	}
+}
+
+func TestTimedCallSlowWithError(t *testing.T) {
+	err := TimedCall(
+		"slow with error", timeToWait,
+		func() error { time.Sleep(tooSlow); return assert.AnError })
+	if assert.Error(t, err) {
+		assert.EqualError(t, err, errMsg("slow with error"))
+	} else {
+		t.Fail()
+	}
+}

api/internal/wrappy/factory.go

@@ -58,7 +58,7 @@ func (k *WNodeFactory) SliceFromBytes(bs []byte) ([]ifc.Kunstructured, error) {
 
 // shouldDropObject returns true if the resource should not be accumulated.
 func shouldDropObject(m yaml.ResourceMeta) bool {
-	_, y := m.ObjectMeta.Annotations[konfig.IgnoredByKustomizeResourceAnnotation]
+	_, y := m.ObjectMeta.Annotations[konfig.IgnoredByKustomizeAnnotation]
 	return y
 }
 

api/internal/wrappy/wnode.go

@@ -6,6 +6,8 @@ package wrappy
 import (
 	"fmt"
 	"log"
+	"regexp"
+	"strconv"
 	"strings"
 
 	"sigs.k8s.io/kustomize/api/ifc"
@@ -43,6 +45,10 @@ func FromRNode(node *yaml.RNode) *WNode {
 	return &WNode{node: node}
 }
 
+func (wn *WNode) AsRNode() *yaml.RNode {
+	return wn.node
+}
+
 func (wn *WNode) demandMetaData(label string) yaml.ResourceMeta {
 	meta, err := wn.node.GetMeta()
 	if err != nil {
@@ -62,9 +68,35 @@ func (wn *WNode) GetAnnotations() map[string]string {
 	return wn.demandMetaData("GetAnnotations").Annotations
 }
 
+// convertSliceIndex traverses the items in `fields` and find
+// if there is a slice index in the item and change it to a
+// valid Lookup field path. For example, 'ports[0]' will be
+// converted to 'ports' and '0'.
+func convertSliceIndex(fields []string) []string {
+	var res []string
+	for _, s := range fields {
+		if !strings.HasSuffix(s, "]") {
+			res = append(res, s)
+			continue
+		}
+		re := regexp.MustCompile(`^(.*)\[(\d+)\]$`)
+		groups := re.FindStringSubmatch(s)
+		if len(groups) == 0 {
+			// no match, add to result
+			res = append(res, s)
+			continue
+		}
+		if groups[1] != "" {
+			res = append(res, groups[1])
+		}
+		res = append(res, groups[2])
+	}
+	return res
+}
+
 // GetFieldValue implements ifc.Kunstructured.
 func (wn *WNode) GetFieldValue(path string) (interface{}, error) {
-	fields := strings.Split(path, ".")
+	fields := convertSliceIndex(strings.Split(path, "."))
 	rn, err := wn.node.Pipe(yaml.Lookup(fields...))
 	if err != nil {
 		return nil, err
@@ -91,14 +123,34 @@ func (wn *WNode) GetFieldValue(path string) (interface{}, error) {
 	// Return value as slice for SequenceNode kind
 	if yn.Kind == yaml.SequenceNode {
 		var result []interface{}
-		for _, node := range yn.Content {
-			result = append(result, node.Value)
+		if err := yn.Decode(&result); err != nil {
+			return nil, err
 		}
 		return result, nil
 	}
+	if yn.Kind != yaml.ScalarNode {
+		return nil, fmt.Errorf("expected ScalarNode, got Kind=%d", yn.Kind)
+	}
 
-	// Return value value directly for all other (ScalarNode) kinds
-	return yn.Value, nil
+	// TODO: When doing kustomize var replacement, which is likely a
+	// a primary use of this function and the reason it returns interface{}
+	// rather than string, we do conversion from Nodes to Go types and back
+	// to nodes.  We should figure out how to do replacement using raw nodes,
+	// assuming we keep the var feature in kustomize.
+	// The other end of this is: refvar.go:updateNodeValue.
+	switch yn.Tag {
+	case yaml.NodeTagString:
+		return yn.Value, nil
+	case yaml.NodeTagInt:
+		return strconv.Atoi(yn.Value)
+	case yaml.NodeTagFloat:
+		return strconv.ParseFloat(yn.Value, 64)
+	case yaml.NodeTagBool:
+		return strconv.ParseBool(yn.Value)
+	default:
+		// Possibly this should be an error or log.
+		return yn.Value, nil
+	}
 }
 
 // GetGvk implements ifc.Kunstructured.
@@ -108,6 +160,26 @@ func (wn *WNode) GetGvk() resid.Gvk {
 	return resid.Gvk{Group: g, Version: v, Kind: meta.Kind}
 }
 
+// GetDataMap implements ifc.Kunstructured.
+func (wn *WNode) GetDataMap() map[string]string {
+	return wn.node.GetDataMap()
+}
+
+// SetDataMap implements ifc.Kunstructured.
+func (wn *WNode) SetDataMap(m map[string]string) {
+	wn.node.SetDataMap(m)
+}
+
+// GetBinaryDataMap implements ifc.Kunstructured.
+func (wn *WNode) GetBinaryDataMap() map[string]string {
+	return wn.node.GetBinaryDataMap()
+}
+
+// SetBinaryDataMap implements ifc.Kunstructured.
+func (wn *WNode) SetBinaryDataMap(m map[string]string) {
+	wn.node.SetBinaryDataMap(m)
+}
+
 // GetKind implements ifc.Kunstructured.
 func (wn *WNode) GetKind() string {
 	return wn.demandMetaData("GetKind").Kind
@@ -149,12 +221,7 @@ func (wn *WNode) GetString(path string) (string, error) {
 
 // Map implements ifc.Kunstructured.
 func (wn *WNode) Map() map[string]interface{} {
-	var result map[string]interface{}
-	if err := wn.node.YNode().Decode(&result); err != nil {
-		// Log and die since interface doesn't allow error.
-		log.Fatalf("failed to decode ynode: %v", err)
-	}
-	return result
+	return wn.node.Map()
 }
 
 // MarshalJSON implements ifc.Kunstructured.
@@ -182,9 +249,7 @@ func (wn *WNode) SetAnnotations(annotations map[string]string) {
 // SetGvk implements ifc.Kunstructured.
 func (wn *WNode) SetGvk(gvk resid.Gvk) {
 	wn.setMapField(yaml.NewScalarRNode(gvk.Kind), yaml.KindField)
-	wn.setMapField(
-		yaml.NewScalarRNode(
-			fmt.Sprintf("%s/%s", gvk.Group, gvk.Version)), yaml.APIVersionField)
+	wn.setMapField(yaml.NewScalarRNode(gvk.ApiVersion()), yaml.APIVersionField)
 }
 
 // SetLabels implements ifc.Kunstructured.

api/internal/wrappy/wnode_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/assert"
 	"gopkg.in/yaml.v3"
 	"sigs.k8s.io/kustomize/api/resid"
 	kyaml "sigs.k8s.io/kustomize/kyaml/yaml"
@@ -32,6 +33,38 @@ const (
       "area": "51",
       "greeting": "Take me to your leader."
     }
+  },
+  "spec": {
+    "template": {
+      "spec": {
+        "containers": [
+          {
+            "env": [
+              {
+                "name": "CM_FOO",
+                "valueFrom": {
+                  "configMapKeyRef": {
+                    "key": "somekey",
+                    "name": "myCm"
+                  }
+                }
+              },
+              {
+                "name": "SECRET_FOO",
+                "valueFrom": {
+                  "secretKeyRef": {
+                    "key": "someKey",
+                    "name": "mySecret"
+                  }
+                }
+              }
+            ],
+            "image": "nginx:1.7.9",
+            "name": "nginx"
+          }
+        ]
+      }
+    }
   }
 }
 `
@@ -357,6 +390,51 @@ func TestGetFieldValueReturnsMap(t *testing.T) {
 	}
 }
 
+func TestGetFieldValueReturnsStuff(t *testing.T) {
+	wn := NewWNode()
+	if err := wn.UnmarshalJSON([]byte(deploymentBiggerJson)); err != nil {
+		t.Fatalf("unexpected unmarshaljson err: %v", err)
+	}
+	expected := []interface{}{
+		map[string]interface{}{
+			"env": []interface{}{
+				map[string]interface{}{
+					"name": "CM_FOO",
+					"valueFrom": map[string]interface{}{
+						"configMapKeyRef": map[string]interface{}{
+							"key":  "somekey",
+							"name": "myCm",
+						},
+					},
+				},
+				map[string]interface{}{
+					"name": "SECRET_FOO",
+					"valueFrom": map[string]interface{}{
+						"secretKeyRef": map[string]interface{}{
+							"key":  "someKey",
+							"name": "mySecret",
+						},
+					},
+				},
+			},
+			"image": string("nginx:1.7.9"),
+			"name":  string("nginx"),
+		},
+	}
+	actual, err := wn.GetFieldValue("spec.template.spec.containers")
+	if err != nil {
+		t.Fatalf("error getting field value: %v", err)
+	}
+	if diff := cmp.Diff(expected, actual); diff != "" {
+		t.Fatalf("actual map does not deep equal expected map:\n%v", diff)
+	}
+	// Cannot go deeper yet.
+	_, err = wn.GetFieldValue("spec.template.spec.containers.env")
+	if err == nil {
+		t.Fatalf("expected err %v", err)
+	}
+}
+
 func TestGetFieldValueReturnsSlice(t *testing.T) {
 	bytes, err := yaml.Marshal(makeBigMap())
 	if err != nil {
@@ -377,6 +455,39 @@ func TestGetFieldValueReturnsSlice(t *testing.T) {
 	}
 }
 
+func TestGetFieldValueReturnsSliceOfMappings(t *testing.T) {
+	bytes, err := yaml.Marshal(makeBigMap())
+	if err != nil {
+		t.Fatalf("unexpected yaml.Marshal err: %v", err)
+	}
+	rNode, err := kyaml.Parse(string(bytes))
+	if err != nil {
+		t.Fatalf("unexpected yaml.Marshal err: %v", err)
+	}
+	wn := FromRNode(rNode)
+	expected := []interface{}{
+		map[string]interface{}{
+			"field1": "idx0foo",
+			"field2": "idx0bar",
+		},
+		map[string]interface{}{
+			"field1": "idx1foo",
+			"field2": "idx1bar",
+		},
+		map[string]interface{}{
+			"field1": "idx2foo",
+			"field2": "idx2bar",
+		},
+	}
+	actual, err := wn.GetFieldValue("those")
+	if err != nil {
+		t.Fatalf("error getting slice: %v", err)
+	}
+	if diff := cmp.Diff(expected, actual); diff != "" {
+		t.Fatalf("actual slice does not deep equal expected slice:\n%v", diff)
+	}
+}
+
 func TestGetFieldValueReturnsString(t *testing.T) {
 	wn := NewWNode()
 	if err := wn.UnmarshalJSON([]byte(deploymentBiggerJson)); err != nil {
@@ -447,6 +558,10 @@ func TestGetSlice(t *testing.T) {
 	}
 }
 
+func TestMapEmpty(t *testing.T) {
+	assert.Equal(t, 0, len(NewWNode().Map()))
+}
+
 func TestMap(t *testing.T) {
 	wn := NewWNode()
 	if err := wn.UnmarshalJSON([]byte(deploymentLittleJson)); err != nil {

api/k8sdeps/doc.go

@@ -1,70 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-// 2019 Nov 06  These notes are somewhat out of date, but left
-// for historical purposes need to be updated (or simply removed
-// with all the code).  The kubectl integration plan described
-// below is no longer the plan of record.
-//
-// --------
-//
-// It's possible that kustomize's features will be vendored into
-// the kubernetes/kubernetes repo and made available to kubectl
-// commands, while at the same time the kustomize program will
-// continue to exist as an independent CLI.  Vendoring snapshots
-// would be taken just before a kubectl release.
-//
-// This creates a problem in that freestanding-kustomize depends on
-// (for example):
-//
-//   https://github.com/kubernetes/apimachinery/
-//       tree/master/pkg/util/yaml
-//
-// It vendors that package into
-//   sigs.k8s.io/kustomize/vendor/k8s.io/apimachinery/
-//
-// Whereas kubectl-kustomize would have to depend on the "staging"
-// version of this code, located at
-//
-//   https://github.com/kubernetes/kubernetes/
-//       blob/master/staging/src/k8s.io/apimachinery/pkg/util/yaml
-//
-// which is "vendored" via symlinks:
-//   k8s.io/kubernetes/vendor/k8s.io/apimachinery
-// is a symlink to
-//   ../../staging/src/k8s.io/apimachinery
-//
-// The staging version is the canonical, under-development
-// version of the code that kubectl depends on, whereas the packages
-// at kubernetes/apimachinery are periodic snapshots of staging made
-// for outside tools to depend on.
-//
-// apimachinery isn't the only package that poses this problem, just
-// using it as a specific example.
-//
-// The kubectl binary cannot vendor in kustomize code that in
-// turn vendors in the non-staging packages.
-//
-// One way to fix some of this would be to copy code - a hard fork.
-// This has all the problems associated with a hard forking.
-//
-// Another way would be to break the kustomize repo into three:
-//
-// (1) kustomize - repo with the main() function,
-//     vendoring (2) and (3).
-//
-// (2) kustomize-libs - packages used by (1) with no
-//     apimachinery dependence.
-//
-// (3) kustomize-k8sdeps - A thin code layer that depends
-//     on (vendors) apimachinery to provide thin implementations
-//     to interfaces used in (2).
-//
-// The kubectl repo would then vendor from (2) only, and have
-// a local implementation of (3).  With that in mind, it's clear
-// that (3) doesn't have to be a repo; the kustomize version of
-// the thin layer can live directly in (1).
-//
-// This package is the code in (3), meant for kustomize.
-
-package k8sdeps

api/k8sdeps/kunstruct/factory.go

@@ -1,151 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package kunstruct
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"strconv"
-	"strings"
-
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
-	"k8s.io/apimachinery/pkg/util/yaml"
-	"sigs.k8s.io/kustomize/api/ifc"
-	"sigs.k8s.io/kustomize/api/internal/k8sdeps/configmapandsecret"
-	"sigs.k8s.io/kustomize/api/konfig"
-	"sigs.k8s.io/kustomize/api/types"
-)
-
-// KunstructuredFactoryImpl makes instances of UnstructAdapter.
-// These instances in turn adapt structs in
-//   k8s.io/apimachinery/pkg/apis/meta/v1/unstructured
-// to implement ifc.Kunstructured.
-// This factory is meant to implement ifc.KunstructuredFactory.
-type KunstructuredFactoryImpl struct {
-	hasher *kustHash
-}
-
-var _ ifc.KunstructuredFactory = &KunstructuredFactoryImpl{}
-
-// NewKunstructuredFactoryImpl returns a factory.
-func NewKunstructuredFactoryImpl() ifc.KunstructuredFactory {
-	return &KunstructuredFactoryImpl{hasher: NewKustHash()}
-}
-
-// Hasher returns a kunstructured hasher
-// input: kunstructured; output: string hash.
-func (kf *KunstructuredFactoryImpl) Hasher() ifc.KunstructuredHasher {
-	return kf.hasher
-}
-
-// SliceFromBytes returns a slice of Kunstructured.
-func (kf *KunstructuredFactoryImpl) SliceFromBytes(
-	in []byte) ([]ifc.Kunstructured, error) {
-	decoder := yaml.NewYAMLOrJSONDecoder(bytes.NewReader(in), 1024)
-	var result []ifc.Kunstructured
-	var err error
-	for err == nil || isEmptyYamlError(err) {
-		var out unstructured.Unstructured
-		err = decoder.Decode(&out)
-		if err == nil {
-			if len(out.Object) == 0 {
-				continue
-			}
-			err = kf.validate(out)
-			if err != nil {
-				return nil, err
-			}
-			if !kf.skipResource(out) {
-				result = append(result, &UnstructAdapter{Unstructured: out})
-			}
-		}
-	}
-	if err != io.EOF {
-		return nil, err
-	}
-	return result, nil
-}
-
-func isEmptyYamlError(err error) bool {
-	return strings.Contains(err.Error(), "is missing in 'null'")
-}
-
-// FromMap returns an instance of Kunstructured.
-func (kf *KunstructuredFactoryImpl) FromMap(
-	m map[string]interface{}) ifc.Kunstructured {
-	return &UnstructAdapter{Unstructured: unstructured.Unstructured{Object: m}}
-}
-
-// MakeConfigMap returns an instance of Kunstructured for ConfigMap
-func (kf *KunstructuredFactoryImpl) MakeConfigMap(
-	kvLdr ifc.KvLoader, args *types.ConfigMapArgs) (ifc.Kunstructured, error) {
-	o, err := configmapandsecret.NewFactory(kvLdr).MakeConfigMap(args)
-	if err != nil {
-		return nil, err
-	}
-	return NewKunstructuredFromObject(o)
-}
-
-// MakeSecret returns an instance of Kunstructured for Secret
-func (kf *KunstructuredFactoryImpl) MakeSecret(
-	kvLdr ifc.KvLoader, args *types.SecretArgs) (ifc.Kunstructured, error) {
-	o, err := configmapandsecret.NewFactory(kvLdr).MakeSecret(args)
-	if err != nil {
-		return nil, err
-	}
-	return NewKunstructuredFromObject(o)
-}
-
-// validate validates that u has kind and name
-// except for kind `List`, which doesn't require a name
-func (kf *KunstructuredFactoryImpl) validate(u unstructured.Unstructured) error {
-	kind := u.GetKind()
-	if kind == "" {
-		return fmt.Errorf("missing kind in object %v", u)
-	} else if strings.HasSuffix(kind, "List") {
-		return nil
-	}
-	if u.GetName() == "" {
-		return fmt.Errorf("missing metadata.name in object %v", u)
-	}
-
-	if result, path := checkListItemNil(u.Object); result {
-		return fmt.Errorf("empty item at %v in object %v", path, u)
-	}
-	return nil
-}
-
-// skipResource returns true if the Resource should not be accumulated
-func (kf *KunstructuredFactoryImpl) skipResource(u unstructured.Unstructured) bool {
-	an := u.GetAnnotations()
-	if an == nil {
-		// annotation unset
-		return false
-	}
-	// check if the Resource has opt-ed out of kustomize
-	_, found := an[konfig.IgnoredByKustomizeResourceAnnotation]
-	return found
-}
-
-func checkListItemNil(in interface{}) (bool, string) {
-	switch v := in.(type) {
-	case map[string]interface{}:
-		for key, s := range v {
-			if result, path := checkListItemNil(s); result {
-				return result, key + "/" + path
-			}
-		}
-	case []interface{}:
-		for index, s := range v {
-			if s == nil {
-				return true, ""
-			}
-			if result, path := checkListItemNil(s); result {
-				return result, "[" + strconv.Itoa(index) + "]/" + path
-			}
-		}
-	}
-	return false, ""
-}

api/k8sdeps/kunstruct/factory_test.go

@@ -1,237 +0,0 @@
-/*
-Copyright 2018 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package kunstruct
-
-import (
-	"reflect"
-	"testing"
-
-	"sigs.k8s.io/kustomize/api/ifc"
-)
-
-func TestSliceFromBytes(t *testing.T) {
-	factory := NewKunstructuredFactoryImpl()
-	testConfigMap := factory.FromMap(
-		map[string]interface{}{
-			"apiVersion": "v1",
-			"kind":       "ConfigMap",
-			"metadata": map[string]interface{}{
-				"name": "winnie",
-			},
-		})
-	testList := factory.FromMap(
-		map[string]interface{}{
-			"apiVersion": "v1",
-			"kind":       "List",
-			"items": []interface{}{
-				testConfigMap.Map(),
-				testConfigMap.Map(),
-			},
-		})
-	testConfigMapList := factory.FromMap(
-		map[string]interface{}{
-			"apiVersion": "v1",
-			"kind":       "ConfigMapList",
-			"items": []interface{}{
-				testConfigMap.Map(),
-				testConfigMap.Map(),
-			},
-		})
-
-	tests := []struct {
-		name        string
-		input       []byte
-		expectedOut []ifc.Kunstructured
-		expectedErr bool
-	}{
-		{
-			name:        "garbage",
-			input:       []byte("garbageIn: garbageOut"),
-			expectedOut: []ifc.Kunstructured{},
-			expectedErr: true,
-		},
-		{
-			name:        "noBytes",
-			input:       []byte{},
-			expectedOut: []ifc.Kunstructured{},
-			expectedErr: false,
-		},
-		{
-			name: "goodJson",
-			input: []byte(`
-{"apiVersion":"v1","kind":"ConfigMap","metadata":{"name":"winnie"}}
-`),
-			expectedOut: []ifc.Kunstructured{testConfigMap},
-			expectedErr: false,
-		},
-		{
-			name: "goodYaml1",
-			input: []byte(`
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: winnie
-`),
-			expectedOut: []ifc.Kunstructured{testConfigMap},
-			expectedErr: false,
-		},
-		{
-			name: "goodYaml2",
-			input: []byte(`
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: winnie
----
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: winnie
-`),
-			expectedOut: []ifc.Kunstructured{testConfigMap, testConfigMap},
-			expectedErr: false,
-		},
-		{
-			name: "localConfigYaml",
-			input: []byte(`
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: winnie-skip
-  annotations:
-    # this annotation causes the Resource to be ignored by kustomize
-    config.kubernetes.io/local-config: ""
----
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: winnie 
-`),
-			expectedOut: []ifc.Kunstructured{testConfigMap},
-			expectedErr: false,
-		},
-		{
-			name: "garbageInOneOfTwoObjects",
-			input: []byte(`
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: winnie
----
-WOOOOOOOOOOOOOOOOOOOOOOOOT:  woot
-`),
-			expectedOut: []ifc.Kunstructured{},
-			expectedErr: true,
-		},
-		{
-			name: "emptyObjects",
-			input: []byte(`
----
-#a comment
-
----
-
-`),
-			expectedOut: []ifc.Kunstructured{},
-			expectedErr: false,
-		},
-		{
-			name: "Missing .metadata.name in object",
-			input: []byte(`
-apiVersion: v1
-kind: Namespace
-metadata:
-  annotations:
-    foo: bar
-`),
-			expectedOut: nil,
-			expectedErr: true,
-		},
-		{
-			name: "nil value in list",
-			input: []byte(`
-apiVersion: builtin
-kind: ConfigMapGenerator
-metadata:
-  name: kube100-site
-  labels:
-    app: web
-    testList:
-      - testA
-      - 
-`),
-			expectedOut: nil,
-			expectedErr: true,
-		},
-		{
-			name: "List",
-			input: []byte(`
-apiVersion: v1
-kind: List
-items:
-- apiVersion: v1
-  kind: ConfigMap
-  metadata:
-    name: winnie
-- apiVersion: v1
-  kind: ConfigMap
-  metadata:
-    name: winnie
-`),
-			expectedOut: []ifc.Kunstructured{testList},
-			expectedErr: false,
-		},
-		{
-			name: "ConfigMapList",
-			input: []byte(`
-apiVersion: v1
-kind: ConfigMapList
-items:
-- apiVersion: v1
-  kind: ConfigMap
-  metadata:
-    name: winnie
-- apiVersion: v1
-  kind: ConfigMap
-  metadata:
-    name: winnie
-`),
-			expectedOut: []ifc.Kunstructured{testConfigMapList},
-			expectedErr: false,
-		},
-	}
-
-	for _, test := range tests {
-		rs, err := factory.SliceFromBytes(test.input)
-		if test.expectedErr && err == nil {
-			t.Fatalf("%v: should return error", test.name)
-		}
-		if !test.expectedErr && err != nil {
-			t.Fatalf("%v: unexpected error: %s", test.name, err)
-		}
-		if len(rs) != len(test.expectedOut) {
-			t.Fatalf("%s: length mismatch %d != %d",
-				test.name, len(rs), len(test.expectedOut))
-		}
-		for i := range rs {
-			if !reflect.DeepEqual(test.expectedOut[i], rs[i]) {
-				t.Fatalf("%s: Got: %v\nexpected:%v",
-					test.name, test.expectedOut[i], rs[i])
-			}
-		}
-	}
-}

api/k8sdeps/kunstruct/hasher.go

@@ -1,27 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package kunstruct
-
-import (
-	"sigs.k8s.io/kustomize/api/hasher"
-	"sigs.k8s.io/kustomize/api/ifc"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
-)
-
-// kustHash computes a hash of an unstructured object.
-type kustHash struct{}
-
-// NewKustHash returns a kustHash object
-func NewKustHash() *kustHash {
-	return &kustHash{}
-}
-
-// Hash returns a hash of the given object
-func (h *kustHash) Hash(m ifc.Kunstructured) (string, error) {
-	node, err := filtersutil.GetRNode(m)
-	if err != nil {
-		return "", err
-	}
-	return hasher.HashRNode(node)
-}

api/k8sdeps/kunstruct/hasher_test.go

@@ -1,34 +0,0 @@
-package kunstruct
-
-import (
-	"testing"
-)
-
-func TestHasher(t *testing.T) {
-	input := `
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: foo
-data:
-  one: ""
-binaryData:
-  two: ""
-`
-	expect := "698h7c7t9m"
-
-	factory := NewKunstructuredFactoryImpl()
-	k, err := factory.SliceFromBytes([]byte(input))
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	hasher := NewKustHash()
-	result, err := hasher.Hash(k[0])
-	if err != nil {
-		t.Fatal(err)
-	}
-	if result != expect {
-		t.Fatalf("expect %s but got %s", expect, result)
-	}
-}

api/k8sdeps/kunstruct/helper.go

@@ -1,95 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-// Package kunstruct provides unstructured from api machinery and factory for creating unstructured
-package kunstruct
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-)
-
-// A PathSection contains a list of nested fields, which may end with an
-// indexable value. For instance, foo.bar resolves to a PathSection with 2
-// fields and no index, while foo[0].bar resolves to two path sections, the
-// first containing the field foo and the index 0, and the second containing
-// the field bar, with no index. The latter PathSection references the bar
-// field of the first item in the foo list
-type PathSection struct {
-	fields []string
-	idx    int
-}
-
-func newPathSection() PathSection {
-	return PathSection{idx: -1}
-}
-
-func appendNonEmpty(section *PathSection, field string) {
-	if len(field) != 0 {
-		section.fields = append(section.fields, field)
-	}
-}
-
-func parseFields(path string) (result []PathSection, err error) {
-	section := newPathSection()
-	if !strings.Contains(path, "[") {
-		section.fields = strings.Split(path, ".")
-		result = append(result, section)
-		return result, nil
-	}
-
-	start := 0
-	insideParentheses := false
-	for i, c := range path {
-		switch c {
-		case '.':
-			if !insideParentheses {
-				appendNonEmpty(&section, path[start:i])
-				start = i + 1
-			}
-		case '[':
-			if !insideParentheses {
-				appendNonEmpty(&section, path[start:i])
-				start = i + 1
-				insideParentheses = true
-			} else {
-				return nil, fmt.Errorf("nested parentheses are not allowed: %s", path)
-			}
-		case ']':
-			if insideParentheses {
-				// Assign this index to the current
-				// PathSection, save it to the result, then begin
-				// a new PathSection
-				tmpIdx, err := strconv.Atoi(path[start:i])
-				if err == nil {
-					// We have detected an integer so an array.
-					section.idx = tmpIdx
-				} else {
-					// We have detected the downwardapi syntax
-					appendNonEmpty(&section, path[start:i])
-				}
-				result = append(result, section)
-				section = newPathSection()
-
-				start = i + 1
-				insideParentheses = false
-			} else {
-				return nil, fmt.Errorf("invalid field path %s", path)
-			}
-		}
-	}
-	if start < len(path)-1 {
-		appendNonEmpty(&section, path[start:])
-		result = append(result, section)
-	}
-
-	for _, section := range result {
-		for i, f := range section.fields {
-			if strings.HasPrefix(f, "\"") || strings.HasPrefix(f, "'") {
-				section.fields[i] = strings.Trim(f, "\"'")
-			}
-		}
-	}
-	return result, nil
-}

api/k8sdeps/kunstruct/helper_test.go

@@ -1,152 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package kunstruct
-
-import (
-	"reflect"
-	"testing"
-)
-
-type PathSectionSlice []PathSection
-
-func buildPath(idx int, fields ...string) PathSectionSlice {
-	return PathSectionSlice{PathSection{fields: fields, idx: idx}}
-}
-
-func (a PathSectionSlice) addSection(idx int, fields ...string) PathSectionSlice {
-	return append(a, PathSection{fields: fields, idx: idx})
-}
-
-func TestParseField(t *testing.T) {
-	tests := []struct {
-		name          string
-		pathToField   string
-		expectedValue []PathSection
-		errorExpected bool
-		errorMsg      string
-	}{
-		{
-			name:          "oneField",
-			pathToField:   "Kind",
-			expectedValue: buildPath(-1, "Kind"),
-			errorExpected: false,
-		},
-		{
-			name:          "twoFields",
-			pathToField:   "metadata.name",
-			expectedValue: buildPath(-1, "metadata", "name"),
-			errorExpected: false,
-		},
-		{
-			name:          "threeFields",
-			pathToField:   "spec.ports.port",
-			expectedValue: buildPath(-1, "spec", "ports", "port"),
-			errorExpected: false,
-		},
-		{
-			name:          "empty",
-			pathToField:   "",
-			expectedValue: buildPath(-1, ""),
-			errorExpected: false,
-		},
-		{
-			name:          "validStringIndex",
-			pathToField:   "that[1]",
-			expectedValue: buildPath(1, "that"),
-			errorExpected: false,
-		},
-		{
-			name:          "sliceInSlice",
-			pathToField:   "that[1][0]",
-			expectedValue: buildPath(1, "that").addSection(0),
-			errorExpected: false,
-		},
-		{
-			name:          "validStructSubField",
-			pathToField:   "those[1].field2",
-			expectedValue: buildPath(1, "those").addSection(-1, "field2"),
-			errorExpected: false,
-		},
-		{
-			name:          "validStructSubFieldIndex",
-			pathToField:   "these[1].field2[0]",
-			expectedValue: buildPath(1, "these").addSection(0, "field2"),
-			errorExpected: false,
-		},
-		{
-			name:          "validStructSubFieldIndexSubfield",
-			pathToField:   "complextree[1].field2[1].stringsubfield",
-			expectedValue: buildPath(1, "complextree").addSection(1, "field2").addSection(-1, "stringsubfield"),
-			errorExpected: false,
-		},
-		{
-			name:          "validStructDownwardAPI",
-			pathToField:   `metadata.labels["app.kubernetes.io/component"]`,
-			expectedValue: buildPath(-1, "metadata", "labels", "app.kubernetes.io/component"),
-			errorExpected: false,
-		},
-		{
-			name:          "invalidIndexInIndex",
-			pathToField:   "complextree[1[0]]",
-			errorExpected: true,
-			errorMsg:      "nested parentheses are not allowed: complextree[1[0]]",
-		},
-		{
-			name:          "invalidClosingBrackets",
-			pathToField:   "complextree[1]]",
-			errorExpected: true,
-			errorMsg:      "invalid field path complextree[1]]",
-		},
-		{
-			name:          "validFieldsWithQuotes",
-			pathToField:   "'complextree'[1].field2[1].'stringsubfield'",
-			expectedValue: buildPath(1, "complextree").addSection(1, "field2").addSection(-1, "stringsubfield"),
-			errorExpected: false,
-		},
-	}
-
-	for _, test := range tests {
-		s, err := parseFields(test.pathToField)
-		if test.errorExpected {
-			compareExpectedParserError(t, test.name, test.pathToField, err, test.errorMsg)
-			continue
-		}
-		if err != nil {
-			unExpectedParserError(t, test.name, test.pathToField, err)
-		}
-		compareParserValues(t, test.name, test.pathToField, test.expectedValue, s)
-	}
-}
-
-// unExpectedError function handles unexpected error
-func unExpectedParserError(t *testing.T, name string, pathToField string, err error) {
-	t.Fatalf("%q; path %q - unexpected error %v", name, pathToField, err)
-}
-
-// compareExpectedError compares the expectedError and the actualError return by parseFields
-func compareExpectedParserError(t *testing.T, name string, pathToField string, err error, errorMsg string) {
-	if err == nil {
-		t.Fatalf("%q; path %q - should return error, but no error returned",
-			name, pathToField)
-	}
-
-	if errorMsg != err.Error() {
-		t.Fatalf("%q; path %q - expected error: \"%s\", got error: \"%v\"",
-			name, pathToField, errorMsg, err.Error())
-	}
-}
-
-// compareValues compares the expectedValue and actualValue returned by parseFields
-func compareParserValues(t *testing.T, name string, pathToField string, expectedValue PathSectionSlice, actualValue []PathSection) {
-	t.Helper()
-	if len(expectedValue) != len(actualValue) {
-		t.Fatalf("%q; Path: %s Got: %v Expected: %v", name, pathToField, actualValue, expectedValue)
-	}
-
-	for idx, expected := range expectedValue {
-		if !reflect.DeepEqual(expected, actualValue[idx]) {
-			t.Fatalf("%q; Path: %s idx: %v Fields Got: %v Expected: %v", name, pathToField, idx, actualValue[idx], expected)
-		}
-	}
-}

api/k8sdeps/kunstruct/unstructadapter.go

@@ -1,350 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-// Package kunstruct provides unstructured from api machinery and factory for creating unstructured
-package kunstruct
-
-import (
-	"encoding/json"
-	"fmt"
-
-	jsonpatch "github.com/evanphx/json-patch"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
-	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/util/strategicpatch"
-	"k8s.io/client-go/kubernetes/scheme"
-	"sigs.k8s.io/kustomize/api/ifc"
-	"sigs.k8s.io/kustomize/api/resid"
-)
-
-var _ ifc.Kunstructured = &UnstructAdapter{}
-
-// UnstructAdapter wraps unstructured.Unstructured from
-// https://github.com/kubernetes/apimachinery/blob/master/
-//     pkg/apis/meta/v1/unstructured/unstructured.go
-// to isolate dependence on apimachinery.
-type UnstructAdapter struct {
-	unstructured.Unstructured
-}
-
-// NewKunstructuredFromObject returns a new instance of Kunstructured.
-func NewKunstructuredFromObject(obj runtime.Object) (ifc.Kunstructured, error) {
-	// Convert obj to a byte stream, then convert that to JSON (Unstructured).
-	marshaled, err := json.Marshal(obj)
-	if err != nil {
-		return &UnstructAdapter{}, err
-	}
-	var u unstructured.Unstructured
-	err = u.UnmarshalJSON(marshaled)
-	// creationTimestamp always 'null', remove it
-	u.SetCreationTimestamp(metav1.Time{})
-	return &UnstructAdapter{Unstructured: u}, err
-}
-
-// GetGvk returns the Gvk name of the object.
-func (fs *UnstructAdapter) GetGvk() resid.Gvk {
-	x := fs.GroupVersionKind()
-	return resid.Gvk{
-		Group:   x.Group,
-		Version: x.Version,
-		Kind:    x.Kind,
-	}
-}
-
-// SetGvk set the Gvk of the object to the input Gvk
-func (fs *UnstructAdapter) SetGvk(g resid.Gvk) {
-	fs.SetGroupVersionKind(toSchemaGvk(g))
-}
-
-// Copy provides a copy behind an interface.
-func (fs *UnstructAdapter) Copy() ifc.Kunstructured {
-	return &UnstructAdapter{*fs.DeepCopy()}
-}
-
-// Map returns the unstructured content map.
-func (fs *UnstructAdapter) Map() map[string]interface{} {
-	return fs.Object
-}
-
-// SetMap overrides the unstructured content map.
-func (fs *UnstructAdapter) SetMap(m map[string]interface{}) {
-	fs.Object = m
-}
-
-func (fs *UnstructAdapter) selectSubtree(path string) (map[string]interface{}, []string, bool, error) {
-	sections, err := parseFields(path)
-	if len(sections) == 0 || (err != nil) {
-		return nil, nil, false, err
-	}
-
-	content := fs.UnstructuredContent()
-	lastSectionIdx := len(sections)
-
-	// There are multiple sections to walk
-	for sectionIdx := 0; sectionIdx < lastSectionIdx; sectionIdx++ {
-		idx := sections[sectionIdx].idx
-		fields := sections[sectionIdx].fields
-
-		if idx == -1 {
-			// This section has no index
-			return content, fields, true, nil
-		}
-
-		// This section is terminated by an indexed field.
-		// Let's extract the slice first
-		indexedField, found, err := unstructured.NestedFieldNoCopy(content, fields...)
-		if !found || err != nil {
-			return content, fields, found, err
-		}
-		s, ok := indexedField.([]interface{})
-		if !ok {
-			return content, fields, false, fmt.Errorf("%v is of the type %T, expected []interface{}", indexedField, indexedField)
-		}
-		if idx >= len(s) {
-			return content, fields, false, fmt.Errorf("index %d is out of bounds", idx)
-		}
-
-		if sectionIdx == lastSectionIdx-1 {
-			// This is the last section. Let's build a fake map
-			// to let the rest of the field extraction to work.
-			idxstring := fmt.Sprintf("[%v]", idx)
-			newContent := map[string]interface{}{idxstring: s[idx]}
-			newFields := []string{idxstring}
-			return newContent, newFields, true, nil
-		}
-
-		newContent, ok := s[idx].(map[string]interface{})
-		if !ok {
-			// Only map are supported here
-			return content, fields, false,
-				fmt.Errorf("%#v is expected to be of type map[string]interface{}", s[idx])
-		}
-		content = newContent
-	}
-
-	// It seems to be an invalid path
-	return nil, []string{}, false, nil
-}
-
-// GetFieldValue returns the value at the given fieldpath.
-func (fs *UnstructAdapter) GetFieldValue(path string) (interface{}, error) {
-	content, fields, found, err := fs.selectSubtree(path)
-	if !found || err != nil {
-		return nil, NoFieldError{Field: path}
-	}
-
-	s, found, err := unstructured.NestedFieldNoCopy(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedString(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedStringSlice(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedBool(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	return false, NoFieldError{Field: path}
-}
-
-// GetFloat64 returns value at the given fieldpath.
-func (fs *UnstructAdapter) GetFloat64(path string) (float64, error) {
-	content, fields, found, err := fs.selectSubtree(path)
-	if !found || err != nil {
-		return 0, err
-	}
-
-	s, found, err := unstructured.NestedFloat64(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedInt64(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedSlice(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedStringMap(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	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}
-	}
-
-	s, found, err := unstructured.NestedMap(
-		content, fields...)
-	if found || err != nil {
-		return s, err
-	}
-	return nil, NoFieldError{Field: path}
-}
-
-func (fs *UnstructAdapter) MatchesLabelSelector(selector string) (bool, error) {
-	s, err := labels.Parse(selector)
-	if err != nil {
-		return false, err
-	}
-	return s.Matches(labels.Set(fs.GetLabels())), nil
-}
-
-func (fs *UnstructAdapter) MatchesAnnotationSelector(selector string) (bool, error) {
-	s, err := labels.Parse(selector)
-	if err != nil {
-		return false, err
-	}
-	return s.Matches(labels.Set(fs.GetAnnotations())), nil
-}
-
-func (fs *UnstructAdapter) Patch(patch ifc.Kunstructured) error {
-	versionedObj, err := scheme.Scheme.New(
-		toSchemaGvk(patch.GetGvk()))
-	merged := map[string]interface{}{}
-	saveName := fs.GetName()
-	switch {
-	case runtime.IsNotRegisteredError(err):
-		baseBytes, err := json.Marshal(fs.Map())
-		if err != nil {
-			return err
-		}
-		patchBytes, err := json.Marshal(patch.Map())
-		if err != nil {
-			return err
-		}
-		mergedBytes, err := jsonpatch.MergePatch(baseBytes, patchBytes)
-		if err != nil {
-			return err
-		}
-		err = json.Unmarshal(mergedBytes, &merged)
-		if err != nil {
-			return err
-		}
-	case err != nil:
-		return err
-	default:
-		// Use Strategic-Merge-Patch to handle types w/ schema
-		// TODO: Change this to use the new Merge package.
-		// Store the name of the target object, because this name may have been munged.
-		// Apply this name to the patched object.
-		lookupPatchMeta, err := strategicpatch.NewPatchMetaFromStruct(versionedObj)
-		if err != nil {
-			return err
-		}
-		merged, err = strategicpatch.StrategicMergeMapPatchUsingLookupPatchMeta(
-			fs.Map(),
-			patch.Map(),
-			lookupPatchMeta)
-		if err != nil {
-			return err
-		}
-	}
-	fs.SetMap(merged)
-	if len(fs.Map()) != 0 {
-		// if the patch deletes the object
-		// don't reset the name
-		fs.SetName(saveName)
-	}
-	return nil
-}
-
-// toSchemaGvk converts to a schema.GroupVersionKind.
-func toSchemaGvk(x resid.Gvk) schema.GroupVersionKind {
-	return schema.GroupVersionKind{
-		Group:   x.Group,
-		Version: x.Version,
-		Kind:    x.Kind,
-	}
-}
-
-// NoFieldError is returned when a field is expected, but missing.
-type NoFieldError struct {
-	Field string
-}
-
-func (e NoFieldError) Error() string {
-	return fmt.Sprintf("no field named '%s'", e.Field)
-}

api/k8sdeps/kunstruct/unstructadapter_test.go

@@ -1,559 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-package kunstruct
-
-import (
-	"reflect"
-	"testing"
-)
-
-var kunstructured = NewKunstructuredFactoryImpl().FromMap(map[string]interface{}{
-	"Kind": "Service",
-	"metadata": map[string]interface{}{
-		"labels": map[string]interface{}{
-			"app": "application-name",
-		},
-		"name": "service-name",
-	},
-	"spec": map[string]interface{}{
-		"ports": map[string]interface{}{
-			"port": int64(80),
-		},
-	},
-	"this": map[string]interface{}{
-		"is": map[string]interface{}{
-			"aNumber":      int64(1000),
-			"aFloat":       float64(1.001),
-			"aNilValue":    nil,
-			"aBool":        true,
-			"anEmptyMap":   map[string]interface{}{},
-			"anEmptySlice": []interface{}{},
-			"unrecognizable": testing.InternalExample{
-				Name: "fooBar",
-			},
-		},
-	},
-	"that": []interface{}{
-		"idx0",
-		"idx1",
-		"idx2",
-		"idx3",
-	},
-	"those": []interface{}{
-		map[string]interface{}{
-			"field1": "idx0foo",
-			"field2": "idx0bar",
-		},
-		map[string]interface{}{
-			"field1": "idx1foo",
-			"field2": "idx1bar",
-		},
-		map[string]interface{}{
-			"field1": "idx2foo",
-			"field2": "idx2bar",
-		},
-	},
-	"these": []interface{}{
-		map[string]interface{}{
-			"field1": []interface{}{"idx010", "idx011"},
-			"field2": []interface{}{"idx020", "idx021"},
-		},
-		map[string]interface{}{
-			"field1": []interface{}{"idx110", "idx111"},
-			"field2": []interface{}{"idx120", "idx121"},
-		},
-		map[string]interface{}{
-			"field1": []interface{}{"idx210", "idx211"},
-			"field2": []interface{}{"idx220", "idx221"},
-		},
-	},
-	"complextree": []interface{}{
-		map[string]interface{}{
-			"field1": []interface{}{
-				map[string]interface{}{
-					"stringsubfield": "idx1010",
-					"intsubfield":    int64(1010),
-					"floatsubfield":  float64(1.010),
-					"boolfield":      true,
-				},
-				map[string]interface{}{
-					"stringsubfield": "idx1011",
-					"intsubfield":    int64(1011),
-					"floatsubfield":  float64(1.011),
-					"boolfield":      false,
-				},
-			},
-			"field2": []interface{}{
-				map[string]interface{}{
-					"stringsubfield": "idx1020",
-					"intsubfield":    int64(1020),
-					"floatsubfield":  float64(1.020),
-					"boolfield":      true,
-				},
-				map[string]interface{}{
-					"stringsubfield": "idx1021",
-					"intsubfield":    int64(1021),
-					"floatsubfield":  float64(1.021),
-					"boolfield":      false,
-				},
-			},
-		},
-		map[string]interface{}{
-			"field1": []interface{}{
-				map[string]interface{}{
-					"stringsubfield": "idx1110",
-					"intsubfield":    int64(1110),
-					"floatsubfield":  float64(1.110),
-					"boolfield":      true,
-				},
-				map[string]interface{}{
-					"stringsubfield": "idx1111",
-					"intsubfield":    int64(1111),
-					"floatsubfield":  float64(1.111),
-					"boolfield":      false,
-				},
-			},
-			"field2": []interface{}{
-				map[string]interface{}{
-					"stringsubfield": "idx1120",
-					"intsubfield":    int64(1120),
-					"floatsubfield":  float64(1.1120),
-					"boolfield":      true,
-				},
-				map[string]interface{}{
-					"stringsubfield": "idx1121",
-					"intsubfield":    int64(1121),
-					"floatsubfield":  float64(1.1121),
-					"boolfield":      false,
-				},
-			},
-		},
-	},
-})
-
-func TestGetFieldValue(t *testing.T) {
-	tests := []struct {
-		name          string
-		pathToField   string
-		expectedValue interface{}
-		errorExpected bool
-		errorMsg      string
-	}{
-		{
-			name:          "oneField",
-			pathToField:   "Kind",
-			expectedValue: "Service",
-			errorExpected: false,
-		},
-		{
-			name:          "twoFields",
-			pathToField:   "metadata.name",
-			expectedValue: "service-name",
-			errorExpected: false,
-		},
-		{
-			name:          "threeFields",
-			pathToField:   "spec.ports.port",
-			expectedValue: int64(80),
-			errorExpected: false,
-		},
-		{
-			name:          "empty",
-			pathToField:   "",
-			errorExpected: true,
-			errorMsg:      "no field named ''",
-		},
-		{
-			name:          "emptyDotEmpty",
-			pathToField:   ".",
-			errorExpected: true,
-			errorMsg:      "no field named '.'",
-		},
-		{
-			name:          "twoFieldsOneMissing",
-			pathToField:   "metadata.banana",
-			errorExpected: true,
-			errorMsg:      "no field named 'metadata.banana'",
-		},
-		{
-			name:          "deeperMissingField",
-			pathToField:   "this.is.aDeep.field.that.does.not.exist",
-			errorExpected: true,
-			errorMsg:      "no field named 'this.is.aDeep.field.that.does.not.exist'",
-		},
-		{
-			name:          "emptyMap",
-			pathToField:   "this.is.anEmptyMap",
-			errorExpected: false,
-			expectedValue: map[string]interface{}{},
-		},
-		{
-			name:          "emptySlice",
-			pathToField:   "this.is.anEmptySlice",
-			errorExpected: false,
-			expectedValue: []interface{}{},
-		},
-		{
-			name:          "numberAsValue",
-			pathToField:   "this.is.aNumber",
-			errorExpected: false,
-			expectedValue: int64(1000),
-		},
-		{
-			name:          "floatAsValue",
-			pathToField:   "this.is.aFloat",
-			errorExpected: false,
-			expectedValue: float64(1.001),
-		},
-		{
-			name:          "boolAsValue",
-			pathToField:   "this.is.aBool",
-			errorExpected: false,
-			expectedValue: true,
-		},
-		{
-			name:          "nilAsValue",
-			pathToField:   "this.is.aNilValue",
-			errorExpected: false,
-			expectedValue: nil,
-		},
-		{
-			name:          "unrecognizable",
-			pathToField:   "this.is.unrecognizable.Name",
-			errorExpected: true,
-			errorMsg:      ".this.is.unrecognizable.Name accessor error: {fooBar <nil>  false} is of the type testing.InternalExample, expected map[string]interface{}",
-		},
-		{
-			name:          "validStringIndex",
-			pathToField:   "that[2]",
-			expectedValue: "idx2",
-			errorExpected: false,
-		},
-		{
-			name:          "outOfBoundIndex",
-			pathToField:   "that[99]",
-			errorMsg:      "no field named 'that[99]'",
-			errorExpected: true,
-		},
-		{
-			name:          "accessorError",
-			pathToField:   "that[downwardapi]",
-			errorMsg:      ".that.downwardapi accessor error: [idx0 idx1 idx2 idx3] is of the type []interface {}, expected map[string]interface{}",
-			errorExpected: true,
-		},
-		{
-			name:          "unknownSlice",
-			pathToField:   "unknown[0]",
-			errorMsg:      "no field named 'unknown[0]'",
-			errorExpected: true,
-		},
-		{
-			name:          "sliceInSlice",
-			pathToField:   "that[2][0]",
-			errorExpected: true,
-			errorMsg:      "no field named 'that[2][0]'",
-		},
-		{
-			name:          "validStructIndex",
-			pathToField:   "those[1]",
-			errorExpected: false,
-			expectedValue: map[string]interface{}{"field1": "idx1foo", "field2": "idx1bar"},
-		},
-		{
-			name:          "validStructSubField",
-			pathToField:   "those[1].field2",
-			errorExpected: false,
-			expectedValue: "idx1bar",
-		},
-		{
-			name:          "validStructSubFieldIndex",
-			pathToField:   "these[1].field2[1]",
-			errorExpected: false,
-			expectedValue: "idx121",
-		},
-		{
-			name:          "validStructSubFieldOutOfBoundIndex",
-			pathToField:   "these[1].field2[99]",
-			errorExpected: true,
-			errorMsg:      "no field named 'these[1].field2[99]'",
-		},
-		{
-			name:          "validStructSubFieldIndexSubfield",
-			pathToField:   "complextree[1].field2[1].stringsubfield",
-			errorExpected: false,
-			expectedValue: "idx1121",
-		},
-		{
-			name:          "validStructSubFieldIndexInvalidName",
-			pathToField:   "complextree[1].field2[1].invalidsubfield",
-			errorExpected: true,
-			errorMsg:      "no field named 'complextree[1].field2[1].invalidsubfield'",
-		},
-		{
-			name:          "validDownwardAPILabels",
-			pathToField:   `metadata.labels["app"]`,
-			errorExpected: false,
-			expectedValue: "application-name",
-		},
-		{
-			name:          "validDownwardAPISpecs",
-			pathToField:   `spec.ports['port']`,
-			errorExpected: false,
-			expectedValue: int64(80),
-		},
-		{
-			name:          "validDownwardAPIThis",
-			pathToField:   `this.is[aFloat]`,
-			errorExpected: false,
-			expectedValue: float64(1.001),
-		},
-		{
-			name:          "downwardAPIInvalidLabel",
-			pathToField:   `metadata.labels["theisnotanint"]`,
-			errorExpected: true,
-			errorMsg:      `no field named 'metadata.labels["theisnotanint"]'`,
-		},
-		{
-			name:          "downwardAPIInvalidLabel2",
-			pathToField:   `invalidfield.labels["app"]`,
-			errorExpected: true,
-			errorMsg:      `no field named 'invalidfield.labels["app"]'`,
-		},
-		{
-			name:          "invalidIndexInIndex",
-			pathToField:   "complextree[1[0]]",
-			errorExpected: true,
-			errorMsg:      "no field named 'complextree[1[0]]'",
-		},
-		{
-			name:          "invalidClosingBrackets",
-			pathToField:   "complextree[1]]",
-			errorExpected: true,
-			errorMsg:      "no field named 'complextree[1]]'",
-		},
-		{
-			name:          "validFieldsWithQuotes",
-			pathToField:   "'complextree'[1].field2[1].'stringsubfield'",
-			errorExpected: false,
-			expectedValue: "idx1121",
-		},
-	}
-
-	for _, test := range tests {
-		s, err := kunstructured.GetFieldValue(test.pathToField)
-		if test.errorExpected {
-			compareExpectedError(t, test.name, test.pathToField, err, test.errorMsg)
-			continue
-		}
-		if err != nil {
-			unExpectedError(t, test.name, test.pathToField, err)
-		}
-		compareValues(t, test.name, test.pathToField, test.expectedValue, s)
-	}
-}
-
-func TestGetString(t *testing.T) {
-	tests := []struct {
-		name          string
-		pathToField   string
-		expectedValue string
-		errorExpected bool
-		errorMsg      string
-	}{
-		{
-			name:          "oneField",
-			pathToField:   "Kind",
-			expectedValue: "Service",
-			errorExpected: false,
-		},
-		{
-			name:          "twoFields",
-			pathToField:   "metadata.name",
-			expectedValue: "service-name",
-			errorExpected: false,
-		},
-		{
-			name:          "emptyMap",
-			pathToField:   "this.is.anEmptyMap",
-			errorExpected: true,
-			errorMsg:      ".this.is.anEmptyMap accessor error: map[] is of the type map[string]interface {}, expected string",
-		},
-		{
-			name:          "twoFieldsOneMissing",
-			pathToField:   "metadata.banana",
-			errorExpected: true,
-			errorMsg:      "no field named 'metadata.banana'",
-		},
-		{
-			name:          "emptySlice",
-			pathToField:   "this.is.anEmptySlice",
-			errorExpected: true,
-			errorMsg:      ".this.is.anEmptySlice accessor error: [] is of the type []interface {}, expected string",
-		},
-		{
-			name:          "numberAsValue",
-			pathToField:   "this.is.aNumber",
-			errorExpected: true,
-			errorMsg:      ".this.is.aNumber accessor error: 1000 is of the type int64, expected string",
-		},
-		{
-			name:          "nilAsValue",
-			pathToField:   "this.is.aNilValue",
-			errorExpected: true,
-			errorMsg:      ".this.is.aNilValue accessor error: <nil> is of the type <nil>, expected string",
-		},
-		{
-			name:          "validStringIndex",
-			pathToField:   "that[2]",
-			expectedValue: "idx2",
-			errorExpected: false,
-		},
-		{
-			name:          "validStructIndex",
-			pathToField:   "those[1]",
-			errorExpected: true,
-			errorMsg:      ".[1] accessor error: map[field1:idx1foo field2:idx1bar] is of the type map[string]interface {}, expected string",
-		},
-		{
-			name:          "validStructSubField",
-			pathToField:   "those[1].field2",
-			errorExpected: false,
-			expectedValue: "idx1bar",
-		},
-		{
-			name:          "validStructSubFieldIndex",
-			pathToField:   "these[1].field2[1]",
-			errorExpected: false,
-			expectedValue: "idx121",
-		},
-		{
-			name:          "validStructSubFieldIndexSubfield",
-			pathToField:   "complextree[1].field2[1].stringsubfield",
-			errorExpected: false,
-			expectedValue: "idx1121",
-		},
-		{
-			name:          "invalidIndexInMap",
-			pathToField:   "this.is[1]",
-			errorExpected: true,
-			errorMsg:      "no field named 'this.is[1]'",
-		},
-		{
-			name:          "anotherInvalidIndexInMap",
-			pathToField:   "this.is[1].aString",
-			errorExpected: true,
-			errorMsg:      "no field named 'this.is[1].aString'",
-		},
-		{
-			name:          "validDownwardAPIField",
-			pathToField:   `metadata.labels["app"]`,
-			errorExpected: false,
-			expectedValue: "application-name",
-		},
-	}
-
-	for _, test := range tests {
-		s, err := kunstructured.GetString(test.pathToField)
-		if test.errorExpected {
-			compareExpectedError(t, test.name, test.pathToField, err, test.errorMsg)
-			continue
-		}
-		if err != nil {
-			unExpectedError(t, test.name, test.pathToField, err)
-		}
-		compareValues(t, test.name, test.pathToField, test.expectedValue, s)
-	}
-}
-
-func TestGetSlice(t *testing.T) {
-	tests := []struct {
-		name          string
-		pathToField   string
-		errorExpected bool
-		errorMsg      string
-	}{
-		{
-			name:          "validSlice1",
-			pathToField:   "that",
-			errorExpected: false,
-		},
-		{
-			name:          "validSlice2",
-			pathToField:   "those",
-			errorExpected: false,
-		},
-		{
-			name:          "validSlice3",
-			pathToField:   "these",
-			errorExpected: false,
-		},
-		{
-			name:          "validSlice4",
-			pathToField:   "complextree",
-			errorExpected: false,
-		},
-		{
-			name:          "twoFieldsOneMissing",
-			pathToField:   "metadata.banana",
-			errorExpected: true,
-			errorMsg:      "no field named 'metadata.banana'",
-		},
-		{
-			name:          "validStructSubFieldOutOfBoundIndex",
-			pathToField:   "these[1].field2[99]",
-			errorExpected: true,
-			errorMsg:      "no field named 'these[1].field2[99]'",
-		},
-	}
-
-	for _, test := range tests {
-		_, err := kunstructured.GetSlice(test.pathToField)
-		if test.errorExpected {
-			compareExpectedError(t, test.name, test.pathToField, err, test.errorMsg)
-			continue
-		}
-		if err != nil {
-			unExpectedError(t, test.name, test.pathToField, err)
-		}
-	}
-}
-
-// unExpectedError function handles unexpected error
-func unExpectedError(t *testing.T, name string, pathToField string, err error) {
-	t.Fatalf("%q; path %q - unexpected error %v", name, pathToField, err)
-}
-
-// compareExpectedError compares the expectedError and the actualError return by GetFieldValue
-func compareExpectedError(t *testing.T, name string, pathToField string, err error, errorMsg string) {
-	if err == nil {
-		t.Fatalf("%q; path %q - should return error, but no error returned",
-			name, pathToField)
-	}
-
-	if errorMsg != err.Error() {
-		t.Fatalf("%q; path %q - expected error: \"%s\", got error: \"%v\"",
-			name, pathToField, errorMsg, err.Error())
-	}
-}
-
-// compareValues compares the expectedValue and actualValue returned by GetFieldValue
-func compareValues(t *testing.T, name string, pathToField string, expectedValue interface{}, actualValue interface{}) {
-	t.Helper()
-	switch typedV := expectedValue.(type) {
-	case nil, string, bool, float64, int, int64:
-		if expectedValue != actualValue {
-			t.Fatalf("%q; Got: %v Expected: %v", name, actualValue, expectedValue)
-		}
-	case map[string]interface{}:
-		if !reflect.DeepEqual(expectedValue, actualValue) {
-			t.Fatalf("%q; Got: %v Expected: %v", name, actualValue, expectedValue)
-		}
-	case []interface{}:
-		if !reflect.DeepEqual(expectedValue, actualValue) {
-			t.Fatalf("%q; Got: %v Expected: %v", name, actualValue, expectedValue)
-		}
-	default:
-		t.Logf("%T value at `%s`", typedV, pathToField)
-	}
-}

api/k8sdeps/validator/kustvalidator.go

@@ -1,105 +0,0 @@
-// Copyright 2019 The Kubernetes Authors.
-// SPDX-License-Identifier: Apache-2.0
-
-// Package validator provides functions to validate labels, annotations,
-// namespaces and configmap/secret keys using apimachinery functions.
-package validator
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-
-	apivalidation "k8s.io/apimachinery/pkg/api/validation"
-	v1validation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
-	"k8s.io/apimachinery/pkg/util/validation"
-	"k8s.io/apimachinery/pkg/util/validation/field"
-	"sigs.k8s.io/kustomize/api/ifc"
-)
-
-// KustValidator validates Labels and annotations by apimachinery
-type KustValidator struct{}
-
-var _ ifc.Validator = (*KustValidator)(nil)
-
-// NewKustValidator returns a KustValidator object
-func NewKustValidator() *KustValidator {
-	return &KustValidator{}
-}
-
-func (v *KustValidator) ErrIfInvalidKey(k string) error {
-	if errs := validation.IsConfigMapKey(k); len(errs) != 0 {
-		return fmt.Errorf(
-			"%q is not a valid key name: %s",
-			k, strings.Join(errs, ";"))
-	}
-	return nil
-}
-
-func (v *KustValidator) IsEnvVarName(k string) error {
-	if errs := validation.IsEnvVarName(k); len(errs) != 0 {
-		return fmt.Errorf(
-			"%q is not a valid key name: %s",
-			k, strings.Join(errs, ";"))
-	}
-	return nil
-}
-
-// MakeAnnotationValidator returns a MapValidatorFunc using apimachinery.
-func (v *KustValidator) MakeAnnotationValidator() func(map[string]string) error {
-	return func(x map[string]string) error {
-		errs := apivalidation.ValidateAnnotations(x, field.NewPath("field"))
-		if len(errs) > 0 {
-			return errors.New(errs.ToAggregate().Error())
-		}
-		return nil
-	}
-}
-
-// MakeAnnotationNameValidator returns a MapValidatorFunc using apimachinery.
-func (v *KustValidator) MakeAnnotationNameValidator() func([]string) error {
-	return func(x []string) error {
-		errs := field.ErrorList{}
-		fldPath := field.NewPath("field")
-		for _, k := range x {
-			for _, msg := range validation.IsQualifiedName(strings.ToLower(k)) {
-				errs = append(errs, field.Invalid(fldPath, k, msg))
-			}
-		}
-		if len(errs) > 0 {
-			return errors.New(errs.ToAggregate().Error())
-		}
-		return nil
-	}
-}
-
-// MakeLabelValidator returns a MapValidatorFunc using apimachinery.
-func (v *KustValidator) MakeLabelValidator() func(map[string]string) error {
-	return func(x map[string]string) error {
-		errs := v1validation.ValidateLabels(x, field.NewPath("field"))
-		if len(errs) > 0 {
-			return errors.New(errs.ToAggregate().Error())
-		}
-		return nil
-	}
-}
-
-// MakeLabelNameValidator returns a ArrayValidatorFunc using apimachinery.
-func (v *KustValidator) MakeLabelNameValidator() func([]string) error {
-	return func(x []string) error {
-		errs := field.ErrorList{}
-		fldPath := field.NewPath("field")
-		for _, k := range x {
-			errs = append(errs, v1validation.ValidateLabelName(k, fldPath)...)
-		}
-		if len(errs) > 0 {
-			return errors.New(errs.ToAggregate().Error())
-		}
-		return nil
-	}
-}
-
-// ValidateNamespace validates a string is a valid namespace using apimachinery.
-func (v *KustValidator) ValidateNamespace(s string) []string {
-	return validation.IsDNS1123Label(s)
-}

api/konfig/builtinpluginconsts/commonlabels.go

@@ -51,6 +51,11 @@ commonLabels:
   group: apps
   kind: Deployment
 
+- path: spec/template/spec/topologySpreadConstraints/labelSelector/matchLabels
+  create: false
+  group: apps
+  kind: Deployment
+
 - path: spec/selector/matchLabels
   create: true
   kind: ReplicaSet
@@ -97,6 +102,11 @@ commonLabels:
   group: apps
   kind: StatefulSet
 
+- path: spec/template/spec/topologySpreadConstraints/labelSelector/matchLabels
+  create: false
+  group: apps
+  kind: StatefulSet
+
 - path: spec/volumeClaimTemplates[]/metadata/labels
   create: true
   group: apps

api/konfig/builtinpluginconsts/namereference.go

@@ -3,6 +3,9 @@
 
 package builtinpluginconsts
 
+// TODO: rename 'fieldSpecs' to 'referrers' for clarity.
+// This will, however, break anyone using a custom config.
+
 const (
 	nameReferenceFieldSpecs = `
 nameReference:
@@ -121,6 +124,12 @@ nameReference:
     kind: CronJob
   - path: spec/configSource/configMap
     kind: Node
+  - path: rules/resourceNames
+    kind: Role
+  - path: rules/resourceNames
+    kind: ClusterRole
+  - path: metadata/annotations/nginx.ingress.kubernetes.io\/fastcgi-params-configmap
+    kind: Ingress
 
 - kind: Secret
   version: v1

api/konfig/general.go

@@ -32,8 +32,7 @@ const (
 	// FlagEnableKyamlDefaultValue is the default value for the --enable_kyaml
 	// flag.  This value is also used in unit tests.  See provider.DepProvider.
 	//
-	// TODO(#3304): eliminate branching on this constant.
-	// Details: https://github.com/kubernetes-sigs/kustomize/issues/3304
+	// TODO(#3588): Delete this constant.
 	//
 	// All tests should pass for either true or false values
 	// of this constant, without having to check its value.
@@ -43,7 +42,7 @@ const (
 	// Historically, tests passed for enable_kyaml == false, i.e. using
 	// apimachinery libs.  This doesn't mean the code was better, it just
 	// means regression tests preserved those outcomes.
-	FlagEnableKyamlDefaultValue = false
+	FlagEnableKyamlDefaultValue = true
 
 	// An environment variable to consult for kustomization
 	// configuration data.  See:
@@ -56,8 +55,11 @@ const (
 	// A program name, for use in help, finding the XDG_CONFIG_DIR, etc.
 	ProgramName = "kustomize"
 
+	// ConfigAnnoDomain is configuration-related annotation namespace.
+	ConfigAnnoDomain = "config.kubernetes.io"
+
 	// If a resource has this annotation, kustomize will drop it.
-	IgnoredByKustomizeResourceAnnotation = "config.kubernetes.io/local-config"
+	IgnoredByKustomizeAnnotation = ConfigAnnoDomain + "/local-config"
 
 	// Label key that indicates the resources are built from Kustomize
 	ManagedbyLabelKey = "app.kubernetes.io/managed-by"

api/konfig/plugins.go

@@ -9,7 +9,6 @@ import (
 	"runtime"
 
 	"sigs.k8s.io/kustomize/api/filesys"
-	"sigs.k8s.io/kustomize/api/internal/plugins/builtinhelpers"
 	"sigs.k8s.io/kustomize/api/types"
 )
 
@@ -158,15 +157,3 @@ func pwdEnv() string {
 	}
 	return "PWD"
 }
-
-// GetBuiltinPluginNames returns a list of builtin plugin names
-func GetBuiltinPluginNames() []string {
-	var ret []string
-	for k := range builtinhelpers.GeneratorFactories {
-		ret = append(ret, k.String())
-	}
-	for k := range builtinhelpers.TransformerFactories {
-		ret = append(ret, k.String())
-	}
-	return ret
-}

api/krusty/accumulation_test.go

@@ -15,19 +15,19 @@ import (
 
 func TestTargetMustHaveKustomizationFile(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteF("/app/service.yaml", `
+	th.WriteF("service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
   name: aService
 `)
-	th.WriteF("/app/deeper/service.yaml", `
+	th.WriteF("deeper/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
   name: anotherService
 `)
-	err := th.RunWithErr("/app", th.MakeDefaultOptions())
+	err := th.RunWithErr(".", th.MakeDefaultOptions())
 	if err == nil {
 		t.Fatalf("expected an error")
 	}
@@ -39,27 +39,27 @@ metadata:
 func TestTargetMustHaveOnlyOneKustomizationFile(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	for _, n := range konfig.RecognizedKustomizationFileNames() {
-		th.WriteF(filepath.Join("/app", n), `
+		th.WriteF(filepath.Join(".", n), `
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 `)
 	}
-	err := th.RunWithErr("/app", th.MakeDefaultOptions())
+	err := th.RunWithErr(".", th.MakeDefaultOptions())
 	if err == nil {
 		t.Fatalf("expected an error")
 	}
-	if !strings.Contains(err.Error(), "Found multiple kustomization files under: /app") {
+	if !strings.Contains(err.Error(), "Found multiple kustomization files") {
 		t.Fatalf("unexpected error: %q", err)
 	}
 }
 
 func TestBaseMustHaveKustomizationFile(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app", `
+	th.WriteK(".", `
 resources:
 - base
 `)
-	th.WriteF("/app/base/service.yaml", `
+	th.WriteF("base/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
@@ -70,7 +70,7 @@ spec:
   ports:
     - port: 7002
 `)
-	err := th.RunWithErr("/app", th.MakeDefaultOptions())
+	err := th.RunWithErr(".", th.MakeDefaultOptions())
 	if err == nil {
 		t.Fatalf("expected an error")
 	}
@@ -81,11 +81,11 @@ spec:
 
 func TestResourceNotFound(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app", `
+	th.WriteK(".", `
 resources:
 - deployment.yaml
 `)
-	err := th.RunWithErr("/app", th.MakeDefaultOptions())
+	err := th.RunWithErr(".", th.MakeDefaultOptions())
 	if err == nil {
 		t.Fatalf("expected an error")
 	}
@@ -93,3 +93,70 @@ resources:
 		t.Fatalf("unexpected error: %q", err)
 	}
 }
+
+func TestResourceHasAnchor(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK(".", `
+resources:
+- ingress.yaml
+`)
+	th.WriteF("ingress.yaml", `
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: blog
+spec:
+  tls:
+  - hosts:
+    - xyz.me
+    - www.xyz.me
+    secretName: cert-tls
+  rules:
+  - host: xyz.me
+    http: &xxx_rules
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: service
+            port:
+              number: 80
+  - host: www.xyz.me
+    http: *xxx_rules
+`)
+	m := th.Run(".", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: blog
+spec:
+  rules:
+  - host: xyz.me
+    http:
+      paths:
+      - backend:
+          service:
+            name: service
+            port:
+              number: 80
+        path: /
+        pathType: Prefix
+  - host: www.xyz.me
+    http:
+      paths:
+      - backend:
+          service:
+            name: service
+            port:
+              number: 80
+        path: /
+        pathType: Prefix
+  tls:
+  - hosts:
+    - xyz.me
+    - www.xyz.me
+    secretName: cert-tls
+`)
+}

api/krusty/baseandoverlaymedium_test.go

@@ -10,7 +10,7 @@ import (
 )
 
 func writeMediumBase(th kusttest_test.Harness) {
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 namePrefix: baseprefix-
 commonLabels:
   foo: bar
@@ -20,7 +20,7 @@ resources:
 - deployment/deployment.yaml
 - service/service.yaml
 `)
-	th.WriteF("/app/base/service/service.yaml", `
+	th.WriteF("base/service/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
@@ -33,7 +33,7 @@ spec:
   selector:
     app: mungebot
 `)
-	th.WriteF("/app/base/deployment/deployment.yaml", `
+	th.WriteF("base/deployment/deployment.yaml", `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -61,7 +61,7 @@ spec:
 func TestMediumBase(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeMediumBase(th)
-	m := th.Run("/app/base", th.MakeDefaultOptions())
+	m := th.Run("base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: apps/v1
 kind: Deployment
@@ -115,7 +115,7 @@ spec:
 func TestMediumOverlay(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeMediumBase(th)
-	th.WriteK("/app/overlay", `
+	th.WriteK("overlay", `
 namePrefix: test-infra-
 commonLabels:
   app: mungebot
@@ -140,24 +140,24 @@ images:
 - name: nginx
   newTag: 1.8.0`)
 
-	th.WriteF("/app/overlay/configmap/db.env", `
+	th.WriteF("overlay/configmap/db.env", `
 DB_USERNAME=admin
 DB_PASSWORD=somepw
 `)
-	th.WriteF("/app/overlay/configmap/units.ini", `
+	th.WriteF("overlay/configmap/units.ini", `
 LENGTH=kilometer
 ENERGY=electronvolt
 `)
-	th.WriteF("/app/overlay/configmap/food.ini", `
+	th.WriteF("overlay/configmap/food.ini", `
 FRUIT=banana
 LEGUME=chickpea
 `)
-	th.WriteF("/app/overlay/configmap/dummy.txt",
+	th.WriteF("overlay/configmap/dummy.txt",
 		`Lorem ipsum dolor sit amet, consectetur
 adipiscing elit, sed do eiusmod tempor
 incididunt ut labore et dolore magna aliqua. 
 `)
-	th.WriteF("/app/overlay/deployment/deployment.yaml", `
+	th.WriteF("overlay/deployment/deployment.yaml", `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -190,7 +190,7 @@ spec:
           name: app-env
         name: app-env
 `)
-	m := th.Run("/app/overlay", th.MakeDefaultOptions())
+	m := th.Run("overlay", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: apps/v1
 kind: Deployment

api/krusty/baseandoverlaysmall_test.go

@@ -14,7 +14,7 @@ import (
 
 func TestOrderPreserved(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 namePrefix: b-
 resources:
 - namespace.yaml
@@ -22,50 +22,50 @@ resources:
 - service.yaml
 - deployment.yaml
 `)
-	th.WriteF("/app/base/service.yaml", `
+	th.WriteF("base/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
   name: myService
 `)
-	th.WriteF("/app/base/namespace.yaml", `
+	th.WriteF("base/namespace.yaml", `
 apiVersion: v1
 kind: Namespace
 metadata:
   name: myNs
 `)
-	th.WriteF("/app/base/role.yaml", `
+	th.WriteF("base/role.yaml", `
 apiVersion: v1
 kind: Role
 metadata:
   name: myRole
 `)
-	th.WriteF("/app/base/deployment.yaml", `
+	th.WriteF("base/deployment.yaml", `
 apiVersion: v1
 kind: Deployment
 metadata:
   name: myDep
 `)
-	th.WriteK("/app/prod", `
+	th.WriteK("prod", `
 namePrefix: p-
 resources:
 - ../base
 - service.yaml
 - namespace.yaml
 `)
-	th.WriteF("/app/prod/service.yaml", `
+	th.WriteF("prod/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
   name: myService2
 `)
-	th.WriteF("/app/prod/namespace.yaml", `
+	th.WriteF("prod/namespace.yaml", `
 apiVersion: v1
 kind: Namespace
 metadata:
   name: myNs2
 `)
-	m := th.Run("/app/prod", th.MakeDefaultOptions())
+	m := th.Run("prod", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: v1
 kind: Namespace
@@ -101,17 +101,17 @@ metadata:
 
 func TestBaseInResourceList(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app/prod", `
+	th.WriteK("prod", `
 namePrefix: b-
 resources:
 - ../base
 `)
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 namePrefix: a-
 resources:
 - service.yaml
 `)
-	th.WriteF("/app/base/service.yaml", `
+	th.WriteF("base/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
@@ -120,7 +120,7 @@ spec:
   selector:
     backend: bungie
 `)
-	m := th.Run("/app/prod", th.MakeDefaultOptions())
+	m := th.Run("prod", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: v1
 kind: Service
@@ -181,7 +181,7 @@ spec:
 }
 
 func writeSmallBase(th kusttest_test.Harness) {
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 namePrefix: a-
 commonLabels:
   app: myApp
@@ -189,7 +189,7 @@ resources:
 - deployment.yaml
 - service.yaml
 `)
-	th.WriteF("/app/base/service.yaml", `
+	th.WriteF("base/service.yaml", `
 apiVersion: v1
 kind: Service
 metadata:
@@ -200,7 +200,7 @@ spec:
   ports:
     - port: 7002
 `)
-	th.WriteF("/app/base/deployment.yaml", `
+	th.WriteF("base/deployment.yaml", `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -220,7 +220,7 @@ spec:
 func TestSmallBase(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeSmallBase(th)
-	m := th.Run("/app/base", th.MakeDefaultOptions())
+	m := th.Run("base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: apps/v1
 kind: Deployment
@@ -260,7 +260,7 @@ spec:
 func TestSmallOverlay(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeSmallBase(th)
-	th.WriteK("/app/overlay", `
+	th.WriteK("overlay", `
 namePrefix: b-
 commonLabels:
   env: prod
@@ -275,15 +275,15 @@ images:
   newTag: 1.8.0
 `)
 
-	th.WriteF("/app/overlay/configmap/app.env", `
+	th.WriteF("overlay/configmap/app.env", `
 DB_USERNAME=admin
 DB_PASSWORD=somepw
 `)
-	th.WriteF("/app/overlay/configmap/app-init.ini", `
+	th.WriteF("overlay/configmap/app-init.ini", `
 FOO=bar
 BAR=baz
 `)
-	th.WriteF("/app/overlay/deployment/deployment.yaml", `
+	th.WriteF("overlay/deployment/deployment.yaml", `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -291,7 +291,7 @@ metadata:
 spec:
   replicas: 1000
 `)
-	m := th.Run("/app/overlay", th.MakeDefaultOptions())
+	m := th.Run("overlay", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: apps/v1
 kind: Deployment
@@ -347,7 +347,7 @@ spec:
 func TestSharedPatchDisAllowed(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeSmallBase(th)
-	th.WriteK("/app/overlay", `
+	th.WriteK("overlay", `
 commonLabels:
   env: prod
 resources:
@@ -355,7 +355,7 @@ resources:
 patchesStrategicMerge:
 - ../shared/deployment-patch.yaml
 `)
-	th.WriteF("/app/shared/deployment-patch.yaml", `
+	th.WriteF("shared/deployment-patch.yaml", `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -363,14 +363,14 @@ metadata:
 spec:
   replicas: 1000
 `)
-	err := th.RunWithErr("/app/overlay", func() Options {
+	err := th.RunWithErr("overlay", func() Options {
 		o := th.MakeDefaultOptions()
 		o.LoadRestrictions = types.LoadRestrictionsRootOnly
 		return o
 	}())
 	if !strings.Contains(
 		err.Error(),
-		"security; file '/app/shared/deployment-patch.yaml' is not in or below '/app/overlay'") {
+		"security; file '/shared/deployment-patch.yaml' is not in or below '/overlay'") {
 		t.Fatalf("unexpected error: %s", err)
 	}
 }
@@ -378,7 +378,7 @@ spec:
 func TestSharedPatchAllowed(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeSmallBase(th)
-	th.WriteK("/app/overlay", `
+	th.WriteK("overlay", `
 commonLabels:
   env: prod
 resources:
@@ -386,7 +386,7 @@ resources:
 patchesStrategicMerge:
 - ../shared/deployment-patch.yaml
 `)
-	th.WriteF("/app/shared/deployment-patch.yaml", `
+	th.WriteF("shared/deployment-patch.yaml", `
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -394,7 +394,7 @@ metadata:
 spec:
   replicas: 1000
 `)
-	m := th.Run("/app/overlay", func() Options {
+	m := th.Run("overlay", func() Options {
 		o := th.MakeDefaultOptions()
 		o.LoadRestrictions = types.LoadRestrictionsNone
 		return o
@@ -444,7 +444,7 @@ spec:
 func TestSmallOverlayJSONPatch(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeSmallBase(th)
-	th.WriteK("/app/overlay", `
+	th.WriteK("overlay", `
 resources:
 - ../base
 patchesJson6902:
@@ -455,12 +455,12 @@ patchesJson6902:
   path: service-patch.yaml
 `)
 
-	th.WriteF("/app/overlay/service-patch.yaml", `
+	th.WriteF("overlay/service-patch.yaml", `
 - op: add
   path: /spec/selector/backend
   value: beagle
 `)
-	m := th.Run("/app/overlay", th.MakeDefaultOptions())
+	m := th.Run("overlay", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: apps/v1
 kind: Deployment

api/krusty/basereusenameprefix_test.go

@@ -41,37 +41,37 @@ import (
 
 func TestBaseReuseNameConflict(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app/component1/base", `
+	th.WriteK("component1/base", `
 resources:
   - ../../shared
 
 namePrefix: component1-
 `)
-	th.WriteK("/app/component1/overlay", `
+	th.WriteK("component1/overlay", `
 resources:
   - ../base
 
 namePrefix: overlay-
 `)
 
-	th.WriteK("/app/component2/base", `
+	th.WriteK("component2/base", `
 resources:
   - ../../shared
 
 namePrefix: component2-
 `)
-	th.WriteK("/app/component2/overlay", `
+	th.WriteK("component2/overlay", `
 resources:
   - ../base
 
 namePrefix: overlay-
 `)
 
-	th.WriteK("/app/shared", `
+	th.WriteK("shared", `
 resources:
   - resources.yaml
 `)
-	th.WriteF("/app/shared/resources.yaml", `
+	th.WriteF("shared/resources.yaml", `
 ---
 kind: PersistentVolumeClaim
 apiVersion: v1
@@ -111,13 +111,13 @@ spec:
             claimName: postgres
 `)
 
-	th.WriteK("/app", `
+	th.WriteK(".", `
 resources:
   - component1/overlay
   - component2/overlay
 `)
 
-	m := th.Run("/app", th.MakeDefaultOptions())
+	m := th.Run(".", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: v1
 kind: PersistentVolumeClaim

api/krusty/basic_io_test.go

@@ -0,0 +1,102 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package krusty_test
+
+import (
+	"testing"
+
+	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
+)
+
+func TestBasicIO_1(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	opts := th.MakeDefaultOptions()
+	if !opts.UseKyaml {
+		// This test won't pass under apimachinery, because in the bowels of
+		// that code (see GetAnnotations in v0.17.0 of
+		// k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go)
+		// an error returned from NestedStringMap is discarded, and an
+		// empty annotation map is silently returned, making this test fail
+		// The swallowed error arises from code like:
+		//   var v interface{}
+		//   v = true
+		//   if str, ok := v.(string); ok {
+		//     save the value in a map (doesn't happen)
+		//   } else {
+		//     return an error (that is then ignored by GetAnnotations)
+		//   }
+		// The error happens when any annotation value can be interpreted as
+		// a boolean or number.  Such annotations cannot be successfully applied
+		// to an object in a cluster unless they are quoted.
+		t.SkipNow()
+	}
+	th.WriteK(".", `
+resources:
+- service.yaml
+`)
+	th.WriteF("service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    port: 8080
+    happy: true
+    color: green
+  name: demo
+spec:
+  clusterIP: None
+`)
+	m := th.Run(".", opts)
+	// The annotations are sorted by key, hence the order change.
+	// Quotes are added intentionally.
+	th.AssertActualEqualsExpected(
+		m, `
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    color: green
+    happy: "true"
+    port: "8080"
+  name: demo
+spec:
+  clusterIP: None
+`)
+}
+
+func TestBasicIO_2(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	opts := th.MakeDefaultOptions()
+	th.WriteK(".", `
+resources:
+- service.yaml
+`)
+	// All the annotation values are quoted in the input.
+	th.WriteF("service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    port: "8080"
+    happy: "true"
+    color: green
+  name: demo
+spec:
+  clusterIP: None
+`)
+	m := th.Run(".", opts)
+	// The annotations are sorted by key, hence the order change.
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    color: green
+    happy: "true"
+    port: "8080"
+  name: demo
+spec:
+  clusterIP: None
+`)
+}

api/krusty/chartinflatorplugin_test.go

@@ -32,13 +32,13 @@ func TestChartInflatorPlugin(t *testing.T) {
 		PrepExecPlugin("someteam.example.com", "v1", "ChartInflator")
 	defer th.Reset()
 
-	th.WriteK("/app", `
+	th.WriteK(".", `
 generators:
 - chartInflator.yaml
 namePrefix: LOOOOOOOONG-
 `)
 
-	th.WriteF("/app/chartInflator.yaml", `
+	th.WriteF("./chartInflator.yaml", `
 apiVersion: someteam.example.com/v1
 kind: ChartInflator
 metadata:
@@ -46,7 +46,7 @@ metadata:
 chartName: minecraft
 `)
 
-	m := th.Run("/app", th.MakeOptionsPluginsEnabled())
+	m := th.Run(".", th.MakeOptionsPluginsEnabled())
 	chartName := regexp.MustCompile("chart: minecraft-[0-9.]+")
 	th.AssertActualEqualsExpectedWithTweak(m,
 		func(x []byte) []byte {

api/krusty/complexcomposition_test.go

@@ -27,11 +27,11 @@ spec:
 `
 
 func writeStatefulSetBase(th kusttest_test.Harness) {
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 resources:
 - statefulset.yaml
 `)
-	th.WriteF("/app/base/statefulset.yaml", `
+	th.WriteF("base/statefulset.yaml", `
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
@@ -56,15 +56,15 @@ spec:
 }
 
 func writeHTTPSOverlay(th kusttest_test.Harness) {
-	th.WriteK("/app/https", `
+	th.WriteK("https", `
 resources:
 - ../base
 - https-svc.yaml
 patchesStrategicMerge:
 - sts-patch.yaml
 `)
-	th.WriteF("/app/https/https-svc.yaml", httpsService)
-	th.WriteF("/app/https/sts-patch.yaml", `
+	th.WriteF("https/https-svc.yaml", httpsService)
+	th.WriteF("https/sts-patch.yaml", `
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
@@ -75,8 +75,8 @@ spec:
 }
 
 func writeHTTPSTransformerRaw(th kusttest_test.Harness) {
-	th.WriteF("/app/https/service/https-svc.yaml", httpsService)
-	th.WriteF("/app/https/transformer/transformer.yaml", `
+	th.WriteF("https/service/https-svc.yaml", httpsService)
+	th.WriteF("https/transformer/transformer.yaml", `
 apiVersion: builtin
 kind: PatchTransformer
 metadata:
@@ -97,11 +97,11 @@ patch: |-
 }
 
 func writeHTTPSTransformerBase(th kusttest_test.Harness) {
-	th.WriteK("/app/https/service", `
+	th.WriteK("https/service", `
 resources:
 - https-svc.yaml
 `)
-	th.WriteK("/app/https/transformer", `
+	th.WriteK("https/transformer", `
 resources:
 - transformer.yaml
 `)
@@ -109,7 +109,7 @@ resources:
 }
 
 func writeConfigFromEnvOverlay(th kusttest_test.Harness) {
-	th.WriteK("/app/config", `
+	th.WriteK("config", `
 resources:
 - ../base
 configMapGenerator:
@@ -121,7 +121,7 @@ generatorOptions:
 patchesStrategicMerge:
 - sts-patch.yaml
 `)
-	th.WriteF("/app/config/sts-patch.yaml", `
+	th.WriteF("config/sts-patch.yaml", `
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
@@ -138,7 +138,7 @@ spec:
 }
 
 func writeConfigFromEnvTransformerRaw(th kusttest_test.Harness) {
-	th.WriteF("/app/config/map/generator.yaml", `
+	th.WriteF("config/map/generator.yaml", `
 apiVersion: builtin
 kind: ConfigMapGenerator
 metadata:
@@ -148,7 +148,7 @@ options:
 literals:
 - MY_ENV=foo
 `)
-	th.WriteF("/app/config/transformer/transformer.yaml", `
+	th.WriteF("config/transformer/transformer.yaml", `
 apiVersion: builtin
 kind: PatchTransformer
 metadata:
@@ -174,11 +174,11 @@ patch: |-
 `)
 }
 func writeConfigFromEnvTransformerBase(th kusttest_test.Harness) {
-	th.WriteK("/app/config/map", `
+	th.WriteK("config/map", `
 resources:
 - generator.yaml
 `)
-	th.WriteK("/app/config/transformer", `
+	th.WriteK("config/transformer", `
 resources:
 - transformer.yaml
 `)
@@ -186,13 +186,13 @@ resources:
 }
 
 func writeTolerationsOverlay(th kusttest_test.Harness) {
-	th.WriteK("/app/tolerations", `
+	th.WriteK("tolerations", `
 resources:
 - ../base
 patchesStrategicMerge:
 - sts-patch.yaml
 `)
-	th.WriteF("/app/tolerations/sts-patch.yaml", `
+	th.WriteF("tolerations/sts-patch.yaml", `
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
@@ -208,7 +208,7 @@ spec:
 }
 
 func writeTolerationsTransformerRaw(th kusttest_test.Harness) {
-	th.WriteF("/app/tolerations/transformer.yaml", `
+	th.WriteF("tolerations/transformer.yaml", `
 apiVersion: builtin
 kind: PatchTransformer
 metadata:
@@ -234,7 +234,7 @@ patch: |-
 }
 
 func writeTolerationsTransformerBase(th kusttest_test.Harness) {
-	th.WriteK("/app/tolerations", `
+	th.WriteK("tolerations", `
 resources:
 - transformer.yaml
 `)
@@ -242,7 +242,7 @@ resources:
 }
 
 func writeStorageOverlay(th kusttest_test.Harness) {
-	th.WriteK("/app/storage", `
+	th.WriteK("storage", `
 resources:
 - ../base
 patchesJson6902:
@@ -253,13 +253,13 @@ patchesJson6902:
     name: my-sts
   path: sts-patch.json
 `)
-	th.WriteF("/app/storage/sts-patch.json", `
+	th.WriteF("storage/sts-patch.json", `
 [{"op": "replace", "path": "/spec/volumeClaimTemplates/0/spec/storageClassName", "value": "my-sc"}]
 `)
 }
 
 func writeStorageTransformerRaw(th kusttest_test.Harness) {
-	th.WriteF("/app/storage/transformer.yaml", `
+	th.WriteF("storage/transformer.yaml", `
 apiVersion: builtin
 kind: PatchTransformer
 metadata:
@@ -275,7 +275,7 @@ patch: |-
 }
 
 func writeStorageTransformerBase(th kusttest_test.Harness) {
-	th.WriteK("/app/storage", `
+	th.WriteK("storage", `
 resources:
 - transformer.yaml
 `)
@@ -358,12 +358,12 @@ func TestComplexComposition_Dev_Failure(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeStatefulSetBase(th)
 	writePatchingOverlays(th)
-	th.WriteK("/app/dev", `
+	th.WriteK("dev", `
 resources:
 - ../storage
 - ../config
 `)
-	err := th.RunWithErr("/app/dev", th.MakeDefaultOptions())
+	err := th.RunWithErr("dev", th.MakeDefaultOptions())
 	if err == nil {
 		t.Fatalf("Expected resource accumulation error")
 	}
@@ -410,7 +410,7 @@ func TestComplexComposition_Dev_SuccessWithRawTransformers(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeStatefulSetBase(th)
 	writePatchingTransformersRaw(th)
-	th.WriteK("/app/dev", `
+	th.WriteK("dev", `
 resources:
 - ../base
 generators:
@@ -419,7 +419,7 @@ transformers:
 - ../config/transformer/transformer.yaml
 - ../storage/transformer.yaml
 `)
-	m := th.Run("/app/dev", func() Options {
+	m := th.Run("dev", func() Options {
 		o := th.MakeDefaultOptions()
 		o.LoadRestrictions = types.LoadRestrictionsNone
 		return o
@@ -431,7 +431,7 @@ func TestComplexComposition_Dev_SuccessWithBaseTransformers(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeStatefulSetBase(th)
 	writePatchingTransformerBases(th)
-	th.WriteK("/app/dev", `
+	th.WriteK("dev", `
 resources:
 - ../base
 generators:
@@ -440,7 +440,7 @@ transformers:
 - ../config/transformer
 - ../storage
 `)
-	m := th.Run("/app/dev", th.MakeDefaultOptions())
+	m := th.Run("dev", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, devDesiredResult)
 }
 
@@ -448,13 +448,13 @@ func TestComplexComposition_Prod_Failure(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeStatefulSetBase(th)
 	writePatchingOverlays(th)
-	th.WriteK("/app/prod", `
+	th.WriteK("prod", `
 resources:
 - ../config
 - ../tolerations
 - ../https
 `)
-	err := th.RunWithErr("/app/prod", th.MakeDefaultOptions())
+	err := th.RunWithErr("prod", th.MakeDefaultOptions())
 	if err == nil {
 		t.Fatalf("Expected resource accumulation error")
 	}
@@ -517,7 +517,7 @@ func TestComplexComposition_Prod_SuccessWithRawTransformers(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeStatefulSetBase(th)
 	writePatchingTransformersRaw(th)
-	th.WriteK("/app/prod", `
+	th.WriteK("prod", `
 resources:
 - ../base
 - ../https/service/https-svc.yaml
@@ -528,7 +528,7 @@ transformers:
 - ../https/transformer/transformer.yaml
 - ../tolerations/transformer.yaml
 `)
-	m := th.Run("/app/prod", func() Options {
+	m := th.Run("prod", func() Options {
 		o := th.MakeDefaultOptions()
 		o.LoadRestrictions = types.LoadRestrictionsNone
 		return o
@@ -540,7 +540,7 @@ func TestComplexComposition_Prod_SuccessWithBaseTransformers(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	writeStatefulSetBase(th)
 	writePatchingTransformerBases(th)
-	th.WriteK("/app/prod", `
+	th.WriteK("prod", `
 resources:
 - ../base
 - ../https/service
@@ -551,6 +551,6 @@ transformers:
 - ../https/transformer
 - ../tolerations
 `)
-	m := th.Run("/app/prod", th.MakeDefaultOptions())
+	m := th.Run("prod", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, prodDesiredResult)
 }

api/krusty/component_test.go

@@ -33,16 +33,16 @@ func writeK(path string, content string) FileGen {
 }
 
 func writeTestBase(th kusttest_test.Harness) {
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 resources:
 - deploy.yaml
 configMapGenerator:
 - name: my-configmap
   literals:	
-  - testValue=1
-  - otherValue=10
+  - testValue=purple
+  - otherValue=green
 `)
-	th.WriteF("/app/base/deploy.yaml", `
+	th.WriteF("base/deploy.yaml", `
 apiVersion: v1
 kind: Deployment
 metadata:
@@ -53,7 +53,7 @@ spec:
 }
 
 func writeTestComponent(th kusttest_test.Harness) {
-	th.WriteC("/app/comp", `
+	th.WriteC("comp", `
 namePrefix: comp-
 replicas:
 - name: storefront
@@ -64,10 +64,10 @@ configMapGenerator:
 - name: my-configmap
   behavior: merge
   literals:	
-  - testValue=2
-  - compValue=5
+  - testValue=blue
+  - compValue=red
 `)
-	th.WriteF("/app/comp/stub.yaml", `
+	th.WriteF("comp/stub.yaml", `
 apiVersion: v1
 kind: Deployment
 metadata:
@@ -78,7 +78,7 @@ spec:
 }
 
 func writeOverlayProd(th kusttest_test.Harness) {
-	th.WriteK("/app/prod", `
+	th.WriteK("prod", `
 resources:
 - ../base
 - db
@@ -90,7 +90,7 @@ components:
 }
 
 func writeDB(th kusttest_test.Harness) {
-	deployment("db", "/app/prod/db")(th)
+	deployment("db", "prod/db")(th)
 }
 
 func deployment(name string, path string) FileGen {
@@ -114,7 +114,7 @@ func TestComponent(t *testing.T) {
 		// resources that come before it in the resources list of the parent Kustomization.
 		"basic-component": {
 			input:   []FileGen{writeTestBase, writeTestComponent, writeOverlayProd},
-			runPath: "/app/prod",
+			runPath: "prod",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -125,14 +125,12 @@ spec:
 ---
 apiVersion: v1
 data:
-  compValue: "5"
-  otherValue: "10"
-  testValue: "2"
+  compValue: red
+  otherValue: green
+  testValue: blue
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
-  name: comp-my-configmap-kc6k2kmkh9
+  name: comp-my-configmap-97647ckcmg
 ---
 apiVersion: v1
 kind: Deployment
@@ -151,14 +149,14 @@ spec:
 		},
 		"multiple-components": {
 			input: []FileGen{writeTestBase, writeTestComponent, writeDB,
-				writeC("/app/additionalcomp", `
+				writeC("additionalcomp", `
 configMapGenerator:
 - name: my-configmap
   behavior: merge
   literals:	
-  - otherValue=9
+  - otherValue=orange
 `),
-				writeK("/app/prod", `
+				writeK("prod", `
 resources:
 - ../base
 - db
@@ -168,7 +166,7 @@ components:
 - ../additionalcomp
 `),
 			},
-			runPath: "/app/prod",
+			runPath: "prod",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -179,14 +177,12 @@ spec:
 ---
 apiVersion: v1
 data:
-  compValue: "5"
-  otherValue: "9"
-  testValue: "2"
+  compValue: red
+  otherValue: orange
+  testValue: blue
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
-  name: comp-my-configmap-55249mf5kb
+  name: comp-my-configmap-g486mb229k
 ---
 apiVersion: v1
 kind: Deployment
@@ -205,16 +201,16 @@ spec:
 		},
 		"nested-components": {
 			input: []FileGen{writeTestBase, writeTestComponent, writeDB,
-				writeC("/app/additionalcomp", `
+				writeC("additionalcomp", `
 components:
 - ../comp
 configMapGenerator:
 - name: my-configmap
   behavior: merge
   literals:
-  - otherValue=9
+  - otherValue=orange
 `),
-				writeK("/app/prod", `
+				writeK("prod", `
 resources:
 - ../base
 - db
@@ -223,7 +219,7 @@ components:
 - ../additionalcomp
 `),
 			},
-			runPath: "/app/prod",
+			runPath: "prod",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -234,14 +230,12 @@ spec:
 ---
 apiVersion: v1
 data:
-  compValue: "5"
-  otherValue: "9"
-  testValue: "2"
+  compValue: red
+  otherValue: orange
+  testValue: blue
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
-  name: comp-my-configmap-55249mf5kb
+  name: comp-my-configmap-g486mb229k
 ---
 apiVersion: v1
 kind: Deployment
@@ -262,13 +256,13 @@ spec:
 		// without being affected by the component in another branch of the resource tree
 		"basic-component-with-repeated-base": {
 			input: []FileGen{writeTestBase, writeTestComponent, writeOverlayProd,
-				writeK("/app/repeated", `
+				writeK("repeated", `
 resources:
 - ../base
 - ../prod
 `),
 			},
-			runPath: "/app/repeated",
+			runPath: "repeated",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -279,11 +273,11 @@ spec:
 ---
 apiVersion: v1
 data:
-  otherValue: "10"
-  testValue: "1"
+  otherValue: green
+  testValue: purple
 kind: ConfigMap
 metadata:
-  name: my-configmap-2g9c94mhb8
+  name: my-configmap-9cd648hm8f
 ---
 apiVersion: v1
 kind: Deployment
@@ -294,14 +288,12 @@ spec:
 ---
 apiVersion: v1
 data:
-  compValue: "5"
-  otherValue: "10"
-  testValue: "2"
+  compValue: red
+  otherValue: green
+  testValue: blue
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
-  name: comp-my-configmap-kc6k2kmkh9
+  name: comp-my-configmap-97647ckcmg
 ---
 apiVersion: v1
 kind: Deployment
@@ -320,18 +312,18 @@ spec:
 		},
 		"applying-component-directly-should-be-same-as-kustomization": {
 			input: []FileGen{writeTestBase, writeTestComponent,
-				writeC("/app/direct-component", `
+				writeC("direct-component", `
 resources:
 - ../base
 configMapGenerator:
 - name: my-configmap
   behavior: merge
   literals:	
-  - compValue=5
-  - testValue=2
+  - compValue=red
+  - testValue=blue
 `),
 			},
-			runPath: "/app/direct-component",
+			runPath: "direct-component",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -342,28 +334,26 @@ spec:
 ---
 apiVersion: v1
 data:
-  compValue: "5"
-  otherValue: "10"
-  testValue: "2"
+  compValue: red
+  otherValue: green
+  testValue: blue
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
-  name: my-configmap-kc6k2kmkh9
+  name: my-configmap-97647ckcmg
 `,
 		},
 		"missing-optional-component-api-version": {
 			input: []FileGen{writeTestBase, writeOverlayProd,
-				writeF("/app/comp/"+konfig.DefaultKustomizationFileName(), `
+				writeF("comp/"+konfig.DefaultKustomizationFileName(), `
 kind: Component
 configMapGenerator:
 - name: my-configmap
   behavior: merge
   literals:	
-  - otherValue=9
+  - otherValue=orange
 `),
 			},
-			runPath: "/app/prod",
+			runPath: "prod",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -374,13 +364,11 @@ spec:
 ---
 apiVersion: v1
 data:
-  otherValue: "9"
-  testValue: "1"
+  otherValue: orange
+  testValue: purple
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
-  name: my-configmap-5g7gh5mgt5
+  name: my-configmap-6hhdg8gkdg
 ---
 apiVersion: v1
 kind: Deployment
@@ -394,25 +382,25 @@ spec:
 		// accumulator when "comp-b" is accumulated.  In practice we could use simple Kustomizations for this example.
 		"components-can-add-the-same-base-if-the-first-renames-resources": {
 			input: []FileGen{writeTestBase,
-				deployment("proxy", "/app/comp-a/proxy.yaml"),
-				writeC("/app/comp-a", `
+				deployment("proxy", "comp-a/proxy.yaml"),
+				writeC("comp-a", `
 resources:
 - ../base
 
 nameSuffix: "-a"
 `),
-				writeC("/app/comp-b", `
+				writeC("comp-b", `
 resources:
 - ../base
 
 nameSuffix: "-b"
 `),
-				writeK("/app/prod", `
+				writeK("prod", `
 components:
 - ../comp-a
 - ../comp-b`),
 			},
-			runPath: "/app/prod",
+			runPath: "prod",
 			expectedOutput: `
 apiVersion: v1
 kind: Deployment
@@ -423,11 +411,11 @@ spec:
 ---
 apiVersion: v1
 data:
-  otherValue: "10"
-  testValue: "1"
+  otherValue: green
+  testValue: purple
 kind: ConfigMap
 metadata:
-  name: my-configmap-a-b-2g9c94mhb8
+  name: my-configmap-a-b-9cd648hm8f
 ---
 apiVersion: v1
 kind: Deployment
@@ -438,44 +426,44 @@ spec:
 ---
 apiVersion: v1
 data:
-  otherValue: "10"
-  testValue: "1"
+  otherValue: green
+  testValue: purple
 kind: ConfigMap
 metadata:
-  name: my-configmap-b-2g9c94mhb8
+  name: my-configmap-b-9cd648hm8f
 `,
 		},
 
 		"multiple-bases-can-add-the-same-component-if-it-doesn-not-define-named-entities": {
 			input: []FileGen{
-				writeC("/app/comp", `
+				writeC("comp", `
 namespace: prod
 `),
-				writeK("/app/base-a", `
+				writeK("base-a", `
 resources:
 - proxy.yaml
 
 components:
 - ../comp
 `),
-				deployment("proxy-a", "/app/base-a/proxy.yaml"),
-				writeK("/app/base-b", `
+				deployment("proxy-a", "base-a/proxy.yaml"),
+				writeK("base-b", `
 resources:
 - proxy.yaml
 
 components:
 - ../comp
 `),
-				deployment("proxy-b", "/app/base-b/proxy.yaml"),
-				writeK("/app/prod", `
+				deployment("proxy-b", "base-b/proxy.yaml"),
+				writeK("prod", `
 resources:
 - proxy.yaml
 - ../base-a
 - ../base-b
 `),
-				deployment("proxy-prod", "/app/prod/proxy.yaml"),
+				deployment("proxy-prod", "prod/proxy.yaml"),
 			},
-			runPath: "/app/prod",
+			runPath: "prod",
 			// Note that the namepsace has not been applied to proxy-prod because it was not in scope when the
 			// component was applied
 			expectedOutput: `
@@ -525,30 +513,30 @@ func TestComponentErrors(t *testing.T) {
 	}{
 		"components-cannot-be-added-to-resources": {
 			input: []FileGen{writeTestBase, writeTestComponent,
-				writeK("/app/compinres", `
+				writeK("compinres", `
 resources:
 - ../base
 - ../comp
 `),
 			},
-			runPath:       "app/compinres",
-			expectedError: "expected kind != 'Component' for path '/app/comp'",
+			runPath:       "compinres",
+			expectedError: "expected kind != 'Component' for path '/comp'",
 		},
 		"kustomizations-cannot-be-added-to-components": {
 			input: []FileGen{writeTestBase, writeTestComponent,
-				writeK("/app/kustincomponents", `
+				writeK("kustincomponents", `
 components:
 - ../base
 - ../comp
 `),
 			},
-			runPath: "/app/kustincomponents",
+			runPath: "kustincomponents",
 			expectedError: "accumulating components: accumulateDirectory: \"expected kind 'Component' for path " +
-				"'/app/base' but got 'Kustomization'",
+				"'/base' but got 'Kustomization'",
 		},
 		"files-cannot-be-added-to-components-list": {
 			input: []FileGen{writeTestBase,
-				writeF("/app/filesincomponents/stub.yaml", `
+				writeF("filesincomponents/stub.yaml", `
 apiVersion: v1
 kind: Deployment
 metadata:
@@ -556,43 +544,43 @@ metadata:
 spec:
   replicas: 1
 `),
-				writeK("/app/filesincomponents", `
+				writeK("filesincomponents", `
 components:
 - stub.yaml
 - ../comp
 `),
 			},
-			runPath:       "/app/filesincomponents",
-			expectedError: "'/app/filesincomponents/stub.yaml' must be a directory to be a root",
+			runPath:       "filesincomponents",
+			expectedError: "'/filesincomponents/stub.yaml' must be a directory to be a root",
 		},
 		"invalid-component-api-version": {
 			input: []FileGen{writeTestBase, writeOverlayProd,
-				writeF("/app/comp/"+konfig.DefaultKustomizationFileName(), `
+				writeF("comp/"+konfig.DefaultKustomizationFileName(), `
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Component
 configMapGenerator:
 - name: my-configmap
   behavior: merge
   literals:	
-  - otherValue=9
+  - otherValue=orange
 `),
 			},
-			runPath:       "/app/prod",
+			runPath:       "prod",
 			expectedError: "apiVersion for Component should be kustomize.config.k8s.io/v1alpha1",
 		},
 		"components-cannot-add-the-same-resource": {
 			input: []FileGen{writeTestBase,
-				writeC("/app/comp-a", `
+				writeC("comp-a", `
 resources:
 - proxy.yaml
 `),
-				deployment("proxy", "/app/comp-a/proxy.yaml"),
-				writeC("/app/comp-b", `
+				deployment("proxy", "comp-a/proxy.yaml"),
+				writeC("comp-b", `
 resources:
 - proxy.yaml
 `),
-				deployment("proxy", "/app/comp-b/proxy.yaml"),
-				writeK("/app/prod", `
+				deployment("proxy", "comp-b/proxy.yaml"),
+				writeK("prod", `
 resources:
 - ../base
 
@@ -600,49 +588,49 @@ components:
 - ../comp-a
 - ../comp-b`),
 			},
-			runPath:       "/app/prod",
+			runPath:       "prod",
 			expectedError: "may not add resource with an already registered id: ~G_v1_Deployment|~X|proxy",
 		},
 		"components-cannot-add-the-same-base": {
 			input: []FileGen{writeTestBase,
-				deployment("proxy", "/app/comp-a/proxy.yaml"),
-				writeC("/app/comp-a", `
+				deployment("proxy", "comp-a/proxy.yaml"),
+				writeC("comp-a", `
 resources:
 - ../base
 `),
-				writeC("/app/comp-b", `
+				writeC("comp-b", `
 resources:
 - ../base
 `),
-				writeK("/app/prod", `
+				writeK("prod", `
 components:
 - ../comp-a
 - ../comp-b`),
 			},
-			runPath:       "/app/prod",
+			runPath:       "prod",
 			expectedError: "may not add resource with an already registered id: ~G_v1_Deployment|~X|storefront",
 		},
 		"components-cannot-add-bases-containing-the-same-resource": {
 			input: []FileGen{writeTestBase,
-				writeC("/app/comp-a", `
+				writeC("comp-a", `
 resources:
 - ../base-a
 `),
-				writeK("/app/base-a", `
+				writeK("base-a", `
 resources:
 - proxy.yaml
 `),
-				deployment("proxy", "/app/base-a/proxy.yaml"),
-				writeC("/app/comp-b", `
+				deployment("proxy", "base-a/proxy.yaml"),
+				writeC("comp-b", `
 resources:
 - ../base-b
 `),
-				writeK("/app/base-b", `
+				writeK("base-b", `
 resources:
 - proxy.yaml
 `),
-				deployment("proxy", "/app/base-b/proxy.yaml"),
-				writeK("/app/prod", `
+				deployment("proxy", "base-b/proxy.yaml"),
+				writeK("prod", `
 resources:
 - ../base
 
@@ -650,7 +638,7 @@ components:
 - ../comp-a
 - ../comp-b`),
 			},
-			runPath:       "/app/prod",
+			runPath:       "prod",
 			expectedError: "may not add resource with an already registered id: ~G_v1_Deployment|~X|proxy",
 		},
 	}

api/krusty/configmaps_test.go

@@ -4,16 +4,126 @@
 package krusty_test
 
 import (
+	"fmt"
 	"testing"
 
 	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
 )
 
+// Numbers and booleans are quoted
+func TestGeneratorIntVsStringNoMerge(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK(".", `
+resources:
+- service.yaml
+configMapGenerator:
+- name: bob
+  literals:
+  - fruit=Indian Gooseberry
+  - year=2020
+  - crisis=true
+`)
+	th.WriteF("service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  name: demo
+spec:
+  clusterIP: None
+`)
+	m := th.Run(".", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(
+		m, `
+apiVersion: v1
+kind: Service
+metadata:
+  name: demo
+spec:
+  clusterIP: None
+---
+apiVersion: v1
+data:
+  crisis: "true"
+  fruit: Indian Gooseberry
+  year: "2020"
+kind: ConfigMap
+metadata:
+  name: bob-79t79mt227
+`)
+}
+
+func TestGeneratorIntVsStringWithMerge(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK("base", `
+configMapGenerator:
+- name: bob
+  literals:
+  - fruit=Indian Gooseberry
+  - year=2020
+  - crisis=true
+`)
+	th.WriteK("overlay", `
+resources:
+- ../base
+configMapGenerator:
+- name: bob
+  behavior: merge
+  literals:
+  - month=12
+`)
+	m := th.Run("overlay", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `apiVersion: v1
+data:
+  crisis: "true"
+  fruit: Indian Gooseberry
+  month: "12"
+  year: "2020"
+kind: ConfigMap
+metadata:
+  name: bob-bk46gm59c6
+`)
+}
+
+func TestGeneratorFromProperties(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK("base", `
+configMapGenerator:
+  - name: test-configmap
+    behavior: create
+    envs:
+    - properties
+`)
+	th.WriteF("base/properties", `
+VAR1=100
+`)
+	th.WriteK("overlay", `
+resources:
+- ../base
+configMapGenerator:
+- name: test-configmap
+  behavior: "merge"
+  envs:
+  - properties
+`)
+	th.WriteF("overlay/properties", `
+VAR2=200
+`)
+	m := th.Run("overlay", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `apiVersion: v1
+data:
+  VAR1: "100"
+  VAR2: "200"
+kind: ConfigMap
+metadata:
+  name: test-configmap-hdghb5ddkg
+`)
+}
+
 // Generate a Secret and a ConfigMap from the same data
 // to compare the result.
 func TestGeneratorBasics(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app", `
+	th.WriteK(".", `
 namePrefix: blah-
 configMapGenerator:
 - name: bob
@@ -44,25 +154,24 @@ secretGenerator:
   - passphrase=phrase.dat
   - forces.txt
 `)
-	th.WriteF("/app/foo.env", `
+	th.WriteF("foo.env", `
 MOUNTAIN=everest
 OCEAN=pacific
 `)
-	th.WriteF("/app/phrase.dat", `
+	th.WriteF("phrase.dat", `
 Life is short.
 But the years are long.
 Not while the evil days come not.
 `)
-	th.WriteF("/app/forces.txt", `
+	th.WriteF("forces.txt", `
 gravitational
 electromagnetic
 strong nuclear
 weak nuclear
 `)
-
-	m := th.Run("/app", th.MakeDefaultOptions())
-	th.AssertActualEqualsExpected(m, `
-apiVersion: v1
+	opts := th.MakeDefaultOptions()
+	m := th.Run(".", opts)
+	expFmt := `apiVersion: v1
 data:
   MOUNTAIN: everest
   OCEAN: pacific
@@ -95,21 +204,36 @@ apiVersion: v1
 data:
   MOUNTAIN: ZXZlcmVzdA==
   OCEAN: cGFjaWZpYw==
-  forces.txt: CmdyYXZpdGF0aW9uYWwKZWxlY3Ryb21hZ25ldGljCnN0cm9uZyBudWNsZWFyCndlYWsgbnVjbGVhcgo=
+  forces.txt: %s
   fruit: YXBwbGU=
-  passphrase: CkxpZmUgaXMgc2hvcnQuCkJ1dCB0aGUgeWVhcnMgYXJlIGxvbmcuCk5vdCB3aGlsZSB0aGUgZXZpbCBkYXlzIGNvbWUgbm90Lgo=
+  passphrase: %s
   vegetable: YnJvY2NvbGk=
 kind: Secret
 metadata:
-  name: blah-bob-ftht6hfgmb
+  name: blah-bob-%s
 type: Opaque
-`)
+`
+	th.AssertActualEqualsExpected(
+		m,
+		// TODO(#3304): DECISION - kyaml better; not a bug.
+		opts.IfApiMachineryElseKyaml(
+			fmt.Sprintf(
+				expFmt,
+				`CmdyYXZpdGF0aW9uYWwKZWxlY3Ryb21hZ25ldGljCnN0cm9uZyBudWNsZWFyCndlYWsgbnVjbGVhcgo=`,
+				`CkxpZmUgaXMgc2hvcnQuCkJ1dCB0aGUgeWVhcnMgYXJlIGxvbmcuCk5vdCB3aGlsZSB0aGUgZXZpbCBkYXlzIGNvbWUgbm90Lgo=`,
+				`ftht6hfgmb`),
+			fmt.Sprintf(
+				expFmt, `|
+    CmdyYXZpdGF0aW9uYWwKZWxlY3Ryb21hZ25ldGljCnN0cm9uZyBudWNsZWFyCndlYWsgbn
+    VjbGVhcgo=`, `|
+    CkxpZmUgaXMgc2hvcnQuCkJ1dCB0aGUgeWVhcnMgYXJlIGxvbmcuCk5vdCB3aGlsZSB0aG
+    UgZXZpbCBkYXlzIGNvbWUgbm90Lgo=`, `9t25t44gg4`)))
 }
 
 // TODO: These should be errors instead.
 func TestGeneratorRepeatsInKustomization(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app", `
+	th.WriteK(".", `
 namePrefix: blah-
 configMapGenerator:
 - name: bob
@@ -125,13 +249,13 @@ configMapGenerator:
   files:
   - nobles=nobility.txt
 `)
-	th.WriteF("/app/forces.txt", `
+	th.WriteF("forces.txt", `
 gravitational
 electromagnetic
 strong nuclear
 weak nuclear
 `)
-	th.WriteF("/app/nobility.txt", `
+	th.WriteF("nobility.txt", `
 helium
 neon
 argon
@@ -139,7 +263,7 @@ krypton
 xenon
 radon
 `)
-	m := th.Run("/app", th.MakeDefaultOptions())
+	m := th.Run(".", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: v1
 data:
@@ -159,9 +283,120 @@ metadata:
 `)
 }
 
+func TestIssue3393(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK(".", `
+resources:
+- cm.yaml
+configMapGenerator:
+  - name: project
+    behavior: merge
+    literals:
+    - ANOTHER_ENV_VARIABLE="bar"
+`)
+	th.WriteF("cm.yaml", `
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: project
+data:
+  A_FIRST_ENV_VARIABLE: "foo"
+`)
+	m := th.Run(".", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+data:
+  A_FIRST_ENV_VARIABLE: foo
+  ANOTHER_ENV_VARIABLE: bar
+kind: ConfigMap
+metadata:
+  name: project
+`)
+}
+
+func TestGeneratorSimpleOverlay(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK("base", `
+namePrefix: p-
+configMapGenerator:
+- name: cm
+  behavior: create
+  literals:
+  - fruit=apple
+`)
+	th.WriteK("overlay", `
+resources:
+- ../base
+configMapGenerator:
+- name: cm
+  behavior: merge
+  literals:
+  - veggie=broccoli
+`)
+	m := th.Run("overlay", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+data:
+  fruit: apple
+  veggie: broccoli
+kind: ConfigMap
+metadata:
+  name: p-cm-877mt5hc89
+`)
+}
+
+var binaryHello = []byte{
+	0xff, // non-utf8
+	0x68, // h
+	0x65, // e
+	0x6c, // l
+	0x6c, // l
+	0x6f, // o
+}
+
+func manyHellos(count int) (result []byte) {
+	for i := 0; i < count; i++ {
+		result = append(result, binaryHello...)
+	}
+	return
+}
+
+func TestGeneratorOverlaysBinaryData(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteF("base/data.bin", string(manyHellos(30)))
+	th.WriteK("base", `
+namePrefix: p1-
+configMapGenerator:
+- name: com1
+  behavior: create
+  files:
+  - data.bin
+`)
+	th.WriteK("overlay", `
+resources:
+- ../base
+configMapGenerator:
+- name: com1
+  behavior: merge
+`)
+	m := th.Run("overlay", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+binaryData:
+  data.bin: |
+    /2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbG
+    xv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hl
+    bGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2
+    hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv
+kind: ConfigMap
+metadata:
+  name: p1-com1-96gmmt6gt5
+`)
+}
+
 func TestGeneratorOverlays(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app/base1", `
+	th.WriteK("base1", `
 namePrefix: p1-
 configMapGenerator:
 - name: com1
@@ -169,7 +404,7 @@ configMapGenerator:
   literals:
   - from=base
 `)
-	th.WriteK("/app/base2", `
+	th.WriteK("base2", `
 namePrefix: p2-
 configMapGenerator:
 - name: com2
@@ -177,7 +412,7 @@ configMapGenerator:
   literals:
   - from=base
 `)
-	th.WriteK("/app/overlay/o1", `
+	th.WriteK("overlay/o1", `
 resources:
 - ../../base1
 configMapGenerator:
@@ -186,7 +421,7 @@ configMapGenerator:
   literals:
   - from=overlay
 `)
-	th.WriteK("/app/overlay/o2", `
+	th.WriteK("overlay/o2", `
 resources:
 - ../../base2
 configMapGenerator:
@@ -195,7 +430,7 @@ configMapGenerator:
   literals:
   - from=overlay
 `)
-	th.WriteK("/app/overlay", `
+	th.WriteK("overlay", `
 resources:
 - o1
 - o2
@@ -206,7 +441,7 @@ configMapGenerator:
   - foo=bar
   - baz=qux
 `)
-	m := th.Run("/app/overlay", th.MakeDefaultOptions())
+	m := th.Run("overlay", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: v1
 data:
@@ -215,8 +450,6 @@ data:
   from: overlay
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
   name: p1-com1-8tc62428t2
 ---
 apiVersion: v1
@@ -224,8 +457,6 @@ data:
   from: overlay
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
   name: p2-com2-87mcggf7d7
 `)
 }
@@ -233,24 +464,24 @@ metadata:
 func TestConfigMapGeneratorMergeNamePrefix(t *testing.T) {
 
 	th := kusttest_test.MakeHarness(t)
-	th.WriteK("/app/base", `
+	th.WriteK("base", `
 configMapGenerator:
 - name: cm
   behavior: create
   literals:
   - foo=bar
 `)
-	th.WriteK("/app/o1", `
+	th.WriteK("o1", `
 resources:
 - ../base
 namePrefix: o1-
 `)
-	th.WriteK("/app/o2", `
+	th.WriteK("o2", `
 resources:
 - ../base
 nameSuffix: -o2
 `)
-	th.WriteK("/app", `
+	th.WriteK(".", `
 resources:
 - o1
 - o2
@@ -264,7 +495,7 @@ configMapGenerator:
   literals:
   - big=crunch
 `)
-	m := th.Run("/app", th.MakeDefaultOptions())
+	m := th.Run(".", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
 apiVersion: v1
 data:
@@ -272,8 +503,6 @@ data:
   foo: bar
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
   name: o1-cm-ft9mmdc8c6
 ---
 apiVersion: v1
@@ -282,8 +511,43 @@ data:
   foo: bar
 kind: ConfigMap
 metadata:
-  annotations: {}
-  labels: {}
   name: cm-o2-5k95kd76ft
 `)
 }
+
+func TestConfigMapGeneratorLiteralNewline(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK(".", `
+generators:
+- configmaps.yaml
+`)
+	th.WriteF("configmaps.yaml", `
+apiVersion: builtin
+kind: ConfigMapGenerator
+metadata:
+  name: testing
+literals:
+  - |
+    initial.txt=greetings
+    everyone
+  - |
+    final.txt=different
+    behavior
+---
+`)
+	m := th.Run(".", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(
+		m, `
+apiVersion: v1
+data:
+  final.txt: |
+    different
+    behavior
+  initial.txt: |
+    greetings
+    everyone
+kind: ConfigMap
+metadata:
+  name: testing-tt4769fb52
+`)
+}