Merge pull request #2725 from monopole/pinToKyamlv0_4_1

Pin To Kyaml/v0.4.1

.gitignore

@@ -19,3 +19,5 @@
 
 # macOS
 *.DS_store
+
+.bin

Makefile

@@ -15,10 +15,7 @@ verify-kustomize: \
 	lint-kustomize \
 	test-unit-kustomize-all \
 	test-examples-kustomize-against-HEAD
-# TODO: restore test-examples-kustomize-against-3.5.5 \
-# once it works.  Likely have to fix and release 3.6
-#	test-examples-kustomize-against-3.5.4 no longer works because
-# the examples tests features not in 3.5.4
+#	test-examples-kustomize-against-3.7.0
 
 # The following target referenced by a file in
 # https://github.com/kubernetes/test-infra/tree/master/config/jobs/kubernetes-sigs/kustomize
@@ -29,6 +26,7 @@ prow-presubmit-check: \
 	test-examples-kustomize-against-HEAD \
 	test-unit-cmd-all \
 	test-go-mod
+#	test-examples-kustomize-against-3.7.0 \
 
 .PHONY: verify-kustomize-e2e
 verify-kustomize-e2e: test-examples-e2e-kustomize
@@ -198,7 +196,7 @@ build-kustomize-api: $(builtinplugins)
 
 .PHONY: test-unit-kustomize-api
 test-unit-kustomize-api: build-kustomize-api
-	cd api; go test ./...
+	cd api; go test ./...  -ldflags "-X sigs.k8s.io/kustomize/api/provenance.version=v444.333.222"
 
 .PHONY: test-unit-kustomize-plugins
 test-unit-kustomize-plugins:
@@ -235,10 +233,10 @@ test-examples-kustomize-against-HEAD: $(MYGOBIN)/kustomize $(MYGOBIN)/mdrip
 	./hack/testExamplesAgainstKustomize.sh HEAD
 
 .PHONY:
-test-examples-kustomize-against-3.5.4: $(MYGOBIN)/mdrip
+test-examples-kustomize-against-3.7.0: $(MYGOBIN)/mdrip
 	( \
 		set -e; \
-		tag=v3.5.4; \
+		tag=v3.7.0; \
 		/bin/rm -f $(MYGOBIN)/kustomize; \
 		echo "Installing kustomize $$tag."; \
 		GO111MODULE=on go get sigs.k8s.io/kustomize/kustomize/v3@$${tag}; \
@@ -247,20 +245,6 @@ test-examples-kustomize-against-3.5.4: $(MYGOBIN)/mdrip
 		cd kustomize; go install .; \
 	)
 
-.PHONY:
-test-examples-kustomize-against-3.5.5: $(MYGOBIN)/mdrip
-	( \
-		set -e; \
-		tag=v3.5.5; \
-		/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 .; \
-	)
-
-
 # linux only.
 # This is for testing an example plugin that
 # uses kubeval for validation.

README.md

@@ -16,9 +16,9 @@ inspired by [DAM].
 [![Go Report Card](https://goreportcard.com/badge/github.com/kubernetes-sigs/kustomize)](https://goreportcard.com/report/github.com/kubernetes-sigs/kustomize)
 
 Download a binary from the [release page], or see
-these [instructions](docs/INSTALL.md).
+these [instructions](https://kubernetes-sigs.github.io/kustomize/installation/).
 
-Browse the [docs](docs) or jump right into the
+Browse the [docs](https://kubernetes-sigs.github.io/kustomize/) or jump right into the
 tested [examples](examples).
 
 ## kubectl integration
@@ -132,20 +132,8 @@ The YAML can be directly [applied] to a cluster:
 
 ## Community
 
-To file bugs please read [this](docs/bugs.md).
-
-Before working on an implementation, please
-
- * Read the [eschewed feature list].
- * File an issue describing
-   how the new feature would behave
-   and label it [kind/feature].
-
-### Other communication channels
-
-- [Slack]
-- [Mailing List]
-- General kubernetes [community page]
+- [file a bug](https://kubernetes-sigs.github.io/kustomize/contributing/bugs/) instructions
+- [contribute a feature](https://kubernetes-sigs.github.io/kustomize/contributing/features/) instructions
 
 ### Code of conduct
 
@@ -154,32 +142,27 @@ is governed by the [Kubernetes Code of Conduct].
 
 [`make`]: https://www.gnu.org/software/make
 [`sed`]: https://www.gnu.org/software/sed
-[DAM]: docs/glossary.md#declarative-application-management
+[DAM]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#declarative-application-management
 [KEP]: https://github.com/kubernetes/enhancements/blob/master/keps/sig-cli/0008-kustomize.md
 [Kubernetes Code of Conduct]: code-of-conduct.md
-[Mailing List]: https://groups.google.com/forum/#!forum/kubernetes-sig-cli
-[Slack]: https://kubernetes.slack.com/messages/sig-cli
-[applied]: docs/glossary.md#apply
-[base]: docs/glossary.md#base
-[community page]: http://kubernetes.io/community/
-[declarative configuration]: docs/glossary.md#declarative-application-management
-[eschewed feature list]: docs/eschewedFeatures.md
+[applied]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#apply
+[base]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#base
+[declarative configuration]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#declarative-application-management
 [imageBase]: docs/images/base.jpg
 [imageOverlay]: docs/images/overlay.jpg
-[kind/feature]: /../../labels/kind%2Ffeature
 [kubectl announcement]: https://kubernetes.io/blog/2019/03/25/kubernetes-1-14-release-announcement
 [kubectl book]: https://kubectl.docs.kubernetes.io/pages/app_customization/introduction.html
 [kubernetes documentation]: https://kubernetes.io/docs/tasks/manage-kubernetes-objects/kustomization/
-[kubernetes style]: docs/glossary.md#kubernetes-style-object
-[kustomization]: docs/glossary.md#kustomization
-[overlay]: docs/glossary.md#overlay
-[overlays]: docs/glossary.md#overlay
-[release page]: /../../releases
-[resource]: docs/glossary.md#resource
-[resources]: docs/glossary.md#resource
+[kubernetes style]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#kubernetes-style-object
+[kustomization]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#kustomization
+[overlay]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#overlay
+[overlays]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#overlay
+[release page]: https://github.com/kubernetes-sigs/kustomize/releases
+[resource]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#resource
+[resources]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#resource
 [sig-cli]: https://github.com/kubernetes/community/blob/master/sig-cli/README.md
-[variant]: docs/glossary.md#variant
-[variants]: docs/glossary.md#variant
-[v2.0.3]: /../../releases/tag/v2.0.3
-[v2.1.0]: /../../releases/tag/v2.1.0
-[workflows]: docs/workflows.md
+[variant]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#variant
+[variants]: https://kubernetes-sigs.github.io/kustomize/api-reference/glossary#variant
+[v2.0.3]: https://github.com/kubernetes-sigs/kustomize/releases/tag/v2.0.3
+[v2.1.0]: https://github.com/kubernetes-sigs/kustomize/releases/tag/v2.1.0
+[workflows]: https://kubernetes-sigs.github.io/kustomize/guides

api/builtins/AnnotationsTransformer.go

@@ -29,7 +29,7 @@ func (p *AnnotationsTransformerPlugin) Transform(m resmap.ResMap) error {
 		err := filtersutil.ApplyToJSON(annotations.Filter{
 			Annotations: p.Annotations,
 			FsSlice:     p.FieldSpecs,
-		}, r.Kunstructured)
+		}, r)
 		if err != nil {
 			return err
 		}

api/builtins/LabelTransformer.go

@@ -29,7 +29,7 @@ func (p *LabelTransformerPlugin) Transform(m resmap.ResMap) error {
 		err := filtersutil.ApplyToJSON(labels.Filter{
 			Labels:  p.Labels,
 			FsSlice: p.FieldSpecs,
-		}, r.Kunstructured)
+		}, r)
 		if err != nil {
 			return err
 		}

api/builtins/NamespaceTransformer.go

@@ -10,7 +10,6 @@ import (
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
-	"sigs.k8s.io/kustomize/api/transform"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
@@ -20,11 +19,6 @@ import (
 type NamespaceTransformerPlugin struct {
 	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 	FieldSpecs       []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
-
-	// YAMLSupport can be set to true to use the kyaml filter instead of the
-	// kunstruct transformer.
-	// TODO: change the default to use kyaml when it is stable
-	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *NamespaceTransformerPlugin) Config(
@@ -43,31 +37,13 @@ func (p *NamespaceTransformerPlugin) Transform(m resmap.ResMap) error {
 			// Don't mutate empty objects?
 			continue
 		}
-
-		id := r.OrgId()
-
-		if p.YAMLSupport {
-			// use the new style transform
-			err := filtersutil.ApplyToJSON(namespace.Filter{
-				Namespace: p.Namespace,
-				FsSlice:   p.FieldSpecs,
-			}, r.Kunstructured)
-			if err != nil {
-				return err
-			}
-		} else {
-			// use the old style transform
-			applicableFs := p.applicableFieldSpecs(id)
-			for _, fs := range applicableFs {
-				err := transform.MutateField(
-					r.Map(), fs.PathSlice(), fs.CreateIfNotPresent,
-					p.changeNamespace(r))
-				if err != nil {
-					return err
-				}
-			}
+		err := filtersutil.ApplyToJSON(namespace.Filter{
+			Namespace: p.Namespace,
+			FsSlice:   p.FieldSpecs,
+		}, r)
+		if err != nil {
+			return err
 		}
-
 		matches := m.GetMatchingResourcesByCurrentId(r.CurId().Equals)
 		if len(matches) != 1 {
 			return fmt.Errorf(

api/builtins/PatchJson6902Transformer.go

@@ -23,8 +23,6 @@ type PatchJson6902TransformerPlugin struct {
 	Target       types.PatchTarget `json:"target,omitempty" yaml:"target,omitempty"`
 	Path         string            `json:"path,omitempty" yaml:"path,omitempty"`
 	JsonOp       string            `json:"jsonOp,omitempty" yaml:"jsonOp,omitempty"`
-
-	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *PatchJson6902TransformerPlugin) Config(
@@ -87,22 +85,9 @@ func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 	if err != nil {
 		return err
 	}
-	if !p.YAMLSupport {
-		rawObj, err := obj.MarshalJSON()
-		if err != nil {
-			return err
-		}
-		modifiedObj, err := p.decodedPatch.Apply(rawObj)
-		if err != nil {
-			return errors.Wrapf(
-				err, "failed to apply json patch '%s'", p.JsonOp)
-		}
-		return obj.UnmarshalJSON(modifiedObj)
-	} else {
-		return filtersutil.ApplyToJSON(patchjson6902.Filter{
-			Patch: p.JsonOp,
-		}, obj.Kunstructured)
-	}
+	return filtersutil.ApplyToJSON(patchjson6902.Filter{
+		Patch: p.JsonOp,
+	}, obj)
 }
 
 func NewPatchJson6902TransformerPlugin() resmap.TransformerPlugin {

api/builtins/PatchStrategicMergeTransformer.go

@@ -4,11 +4,10 @@
 package builtins
 
 import (
-	"encoding/json"
 	"fmt"
+	"strings"
 
-	kyaml "sigs.k8s.io/kustomize/kyaml/yaml"
-
+	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/filters/patchstrategicmerge"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
@@ -22,8 +21,6 @@ type PatchStrategicMergeTransformerPlugin struct {
 	loadedPatches []*resource.Resource
 	Paths         []types.PatchStrategicMerge `json:"paths,omitempty" yaml:"paths,omitempty"`
 	Patches       string                      `json:"patches,omitempty" yaml:"patches,omitempty"`
-
-	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *PatchStrategicMergeTransformerPlugin) Config(
@@ -76,42 +73,48 @@ func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error
 		if err != nil {
 			return err
 		}
-		if !p.YAMLSupport {
-			err = target.Patch(patch.Kunstructured)
+		patchCopy := patch.DeepCopy()
+		patchCopy.SetName(target.GetName())
+		patchCopy.SetNamespace(target.GetNamespace())
+		patchCopy.SetGvk(target.GetGvk())
+		node, err := filtersutil.GetRNode(patchCopy)
+		if err != nil {
+			return err
+		}
+		err = filtersutil.ApplyToJSON(patchstrategicmerge.Filter{
+			Patch: node,
+		}, target)
+		if err != nil {
+			// Check for an error string from UnmarshalJSON that's indicative
+			// of an object that's missing basic KRM fields, and thus may have been
+			// entirely deleted (an acceptable outcome).  This error handling should
+			// be deleted along with use of ResMap and apimachinery functions like
+			// UnmarshalJSON.
+			if !strings.Contains(err.Error(), "Object 'Kind' is missing") {
+				// Some unknown error, let it through.
+				return err
+			}
+			if len(target.Map()) != 0 {
+				return errors.Wrapf(
+					err, "with unexpectedly non-empty object map of size %d",
+					len(target.Map()))
+			}
+			// Fall through to handle deleted object.
+		}
+		if len(target.Map()) == 0 {
+			// This means all fields have been removed from the object.
+			// This can happen if a patch required deletion of the
+			// entire resource (not just a part of it).  This means
+			// the overall resmap must shrink by one.
+			err = m.Remove(target.CurId())
 			if err != nil {
 				return err
 			}
-			// remove the resource from resmap
-			// when the patch is to $patch: delete that target
-			if len(target.Map()) == 0 {
-				err = m.Remove(target.CurId())
-				if err != nil {
-					return err
-				}
-			}
-		} else {
-			node, err := getRNode(patch)
-			if err != nil {
-				return err
-			}
-			err = filtersutil.ApplyToJSON(patchstrategicmerge.Filter{
-				Patch: node,
-			}, target.Kunstructured)
 		}
 	}
 	return nil
 }
 
-//TODO: Remove this once the next version of kyaml is released which
-// exposes GetRNode from the filutersutil package.
-func getRNode(k json.Marshaler) (*kyaml.RNode, error) {
-	j, err := k.MarshalJSON()
-	if err != nil {
-		return nil, err
-	}
-	return kyaml.Parse(string(j))
-}
-
 func NewPatchStrategicMergeTransformerPlugin() resmap.TransformerPlugin {
 	return &PatchStrategicMergeTransformerPlugin{}
 }

api/builtins/PatchTransformer.go

@@ -8,7 +8,6 @@ import (
 	"strings"
 
 	jsonpatch "github.com/evanphx/json-patch"
-	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/filters/patchjson6902"
 	"sigs.k8s.io/kustomize/api/filters/patchstrategicmerge"
 	"sigs.k8s.io/kustomize/api/resmap"
@@ -24,8 +23,6 @@ type PatchTransformerPlugin struct {
 	Path         string          `json:"path,omitempty" yaml:"path,omitempty"`
 	Patch        string          `json:"patch,omitempty" yaml:"patch,omitempty"`
 	Target       *types.Selector `json:"target,omitempty" yaml:"target,omitempty"`
-
-	YAMLSupport bool `json:"yamlSupport,omitempty" yaml:"yamlSupport,omitempty"`
 }
 
 func (p *PatchTransformerPlugin) Config(
@@ -73,11 +70,11 @@ func (p *PatchTransformerPlugin) Config(
 }
 
 func (p *PatchTransformerPlugin) Transform(m resmap.ResMap) error {
-	if p.loadedPatch != nil {
+	if p.loadedPatch == nil {
+		return p.transformJson6902(m, p.decodedPatch)
+	} else {
 		// The patch was a strategic merge patch
 		return p.transformStrategicMerge(m, p.loadedPatch)
-	} else {
-		return p.transformJson6902(m, p.decodedPatch)
 	}
 }
 
@@ -111,20 +108,15 @@ func (p *PatchTransformerPlugin) transformStrategicMerge(m resmap.ResMap, patch
 }
 
 // applySMPatch applies the provided strategic merge patch to the
-// given resource. Depending on the value of YAMLSupport, it will either
-// use the legacy implementation or the kyaml-based solution.
+// given resource.
 func (p *PatchTransformerPlugin) applySMPatch(resource, patch *resource.Resource) error {
-	if !p.YAMLSupport {
-		return resource.Patch(patch.Kunstructured)
-	} else {
-		node, err := filtersutil.GetRNode(patch)
-		if err != nil {
-			return err
-		}
-		return filtersutil.ApplyToJSON(patchstrategicmerge.Filter{
-			Patch: node,
-		}, resource.Kunstructured)
+	node, err := filtersutil.GetRNode(patch)
+	if err != nil {
+		return err
 	}
+	return filtersutil.ApplyToJSON(patchstrategicmerge.Filter{
+		Patch: node,
+	}, resource)
 }
 
 // transformJson6902 applies the provided json6902 patch
@@ -133,13 +125,14 @@ func (p *PatchTransformerPlugin) transformJson6902(m resmap.ResMap, patch jsonpa
 	if p.Target == nil {
 		return fmt.Errorf("must specify a target for patch %s", p.Patch)
 	}
-
 	resources, err := m.Select(*p.Target)
 	if err != nil {
 		return err
 	}
 	for _, res := range resources {
-		err = p.applyJson6902Patch(res, patch)
+		err = filtersutil.ApplyToJSON(patchjson6902.Filter{
+			Patch: p.Patch,
+		}, res)
 		if err != nil {
 			return err
 		}
@@ -147,28 +140,6 @@ func (p *PatchTransformerPlugin) transformJson6902(m resmap.ResMap, patch jsonpa
 	return nil
 }
 
-// applyJson6902Patch applies the provided patch to the given resource.
-// Depending on the value of YAMLSupport, it will either
-// use the legacy implementation or the kyaml-based solution.
-func (p *PatchTransformerPlugin) applyJson6902Patch(resource *resource.Resource, patch jsonpatch.Patch) error {
-	if !p.YAMLSupport {
-		rawObj, err := resource.MarshalJSON()
-		if err != nil {
-			return err
-		}
-		modifiedObj, err := patch.Apply(rawObj)
-		if err != nil {
-			return errors.Wrapf(
-				err, "failed to apply json patch '%s'", p.Patch)
-		}
-		return resource.UnmarshalJSON(modifiedObj)
-	} else {
-		return filtersutil.ApplyToJSON(patchjson6902.Filter{
-			Patch: p.Patch,
-		}, resource.Kunstructured)
-	}
-}
-
 // jsonPatchFromBytes loads a Json 6902 patch from
 // a bytes input
 func jsonPatchFromBytes(

api/builtins/ValueAddTransformer.go

@@ -121,13 +121,13 @@ func (p *ValueAddTransformerPlugin) Transform(m resmap.ResMap) (err error) {
 			if t.FieldPath == types.MetadataNamespacePath {
 				err = filtersutil.ApplyToJSON(namespace.Filter{
 					Namespace: p.Value,
-				}, res.Kunstructured)
+				}, res)
 			} else {
 				err = filtersutil.ApplyToJSON(valueadd.Filter{
 					Value:            p.Value,
 					FieldPath:        t.FieldPath,
 					FilePathPosition: t.FilePathPosition,
-				}, res.Kunstructured)
+				}, res)
 			}
 			if err != nil {
 				return err

api/filters/patchstrategicmerge/patchstrategicmerge.go

@@ -1,3 +1,6 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package patchstrategicmerge
 
 import (
@@ -13,9 +16,13 @@ type Filter struct {
 var _ kio.Filter = Filter{}
 
 func (pf Filter) Filter(nodes []*yaml.RNode) ([]*yaml.RNode, error) {
-	return kio.FilterAll(yaml.FilterFunc(pf.run)).Filter(nodes)
-}
-
-func (pf Filter) run(node *yaml.RNode) (*yaml.RNode, error) {
-	return merge2.Merge(pf.Patch, node)
+	var result []*yaml.RNode
+	for i := range nodes {
+		r, err := merge2.Merge(pf.Patch, nodes[i])
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, r)
+	}
+	return result, nil
 }

api/filters/patchstrategicmerge/patchstrategicmerge_test.go

@@ -31,6 +31,86 @@ apiVersion: apps/v1
 metadata:
   name: yourDeploy
 kind: Deployment
+`,
+		},
+		"container patch": {
+			input: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: foo1
+      - name: foo2
+      - name: foo3
+`,
+			patch: yaml.MustParse(`
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: foo0
+`),
+			expected: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  template:
+    spec:
+      containers:
+      - name: foo1
+      - name: foo2
+      - name: foo3
+      - name: foo0
+`,
+		},
+		"volumes patch": {
+			input: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  template:
+    spec:
+      volumes:
+      - name: foo1
+      - name: foo2
+      - name: foo3
+`,
+			patch: yaml.MustParse(`
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  template:
+    spec:
+      volumes:
+      - name: foo0
+`),
+			expected: `
+apiVersion: apps/v1
+metadata:
+  name: myDeploy
+kind: Deployment
+spec:
+  template:
+    spec:
+      volumes:
+      - name: foo1
+      - name: foo2
+      - name: foo3
+      - name: foo0
 `,
 		},
 		"nested patch": {

api/go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/kustomize/api
 
-go 1.13
+go 1.14
 
 require (
 	github.com/evanphx/json-patch v4.5.0+incompatible
@@ -11,11 +11,11 @@ require (
 	github.com/stretchr/testify v1.4.0
 	github.com/yujunz/go-getter v1.4.1-lite
 	golang.org/x/tools v0.0.0-20191010075000-0337d82405ff
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.3.0
 	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 v0.1.11
+	sigs.k8s.io/kustomize/kyaml v0.4.1
 	sigs.k8s.io/yaml v1.2.0
 )

api/go.sum

@@ -104,7 +104,6 @@ github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34
 github.com/go-openapi/jsonreference v0.0.0-20160704190145-13c6e3589ad9/go.mod h1:W3Z9FmVs9qj+KR4zFKmDPGiLdk1D9Rlm7cyMvf57TTg=
 github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
 github.com/go-openapi/jsonreference v0.18.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
-github.com/go-openapi/jsonreference v0.19.2 h1:o20suLFB4Ri0tuzpWtyHlh7E7HnkqTNLq6aR6WVNS1w=
 github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc=
 github.com/go-openapi/jsonreference v0.19.3 h1:5cxNfTy0UVC3X8JL5ymxzyoUZmo8iZb+jeTWn7tUa8o=
 github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8=
@@ -167,7 +166,6 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d h1:3PaI8p3seN09VjbTYC/QWlUZdZ1qS1zGjy7LH2Wt07I=
 github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -281,7 +279,6 @@ github.com/mailru/easyjson v0.0.0-20160728113105-d5b7844b561a/go.mod h1:C1wdFJiN
 github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
-github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e h1:hB2xlXdHp/pmPZq0y3QnmWAArdw9PqbmotexnWx/FU8=
 github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.7.0 h1:aizVhC/NAAcKWb+5QsU1iNOZb4Yws5UO2I+aIprQITM=
 github.com/mailru/easyjson v0.7.0/go.mod h1:KAzv3t3aY1NaHWoQz1+4F1ccyAH66Jk7yos7ldAVICs=
@@ -343,6 +340,7 @@ github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
+github.com/qri-io/starlib v0.4.2-0.20200213133954-ff2e8cd5ef8d h1:K6eOUihrFLdZjZnA4XlRp864fmWXv9YTIk7VPLhRacA=
 github.com/qri-io/starlib v0.4.2-0.20200213133954-ff2e8cd5ef8d/go.mod h1:7DPO4domFU579Ga6E61sB9VFNaniPVwJP5C4bBCu3wA=
 github.com/quasilyte/go-consistent v0.0.0-20190521200055-c6f3937de18c/go.mod h1:5STLWrekHfjyYwxBRVRXNOSewLJ3PWfDJd1VyTS21fI=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
@@ -373,7 +371,6 @@ github.com/spf13/afero v1.2.2 h1:5jhuqJyZCZf2JRofRvN/nIFgIWNzPa3/Vz8mYylgbWc=
 github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cobra v0.0.5 h1:f0B+LkLX6DtmRH1isoNA9VTtNUK9K8xYd28JNNfOv/s=
 github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
 github.com/spf13/cobra v1.0.0 h1:6m/oheQuQ13N9ks4hubMG6BnvwOeaJrqSPLahSnczz8=
 github.com/spf13/cobra v1.0.0/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
@@ -427,6 +424,7 @@ go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qL
 go.mongodb.org/mongo-driver v1.1.2/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.starlark.net v0.0.0-20190528202925-30ae18b8564f/go.mod h1:c1/X6cHgvdXj6pUlmWKMkuqRnW4K8x2vwt6JAaaircg=
+go.starlark.net v0.0.0-20200306205701-8dd3e2ee1dd5 h1:+FNtrFTmVw0YZGpBGX56XDee331t6JAXeK2bcyhLOOc=
 go.starlark.net v0.0.0-20200306205701-8dd3e2ee1dd5/go.mod h1:nmDLcffg48OtT/PSW0Hg7FvpRQsQh5OSqIylirxKC7o=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
@@ -466,7 +464,6 @@ golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 h1:rjwSpXsdiK0dV8/Naq3kAw9ymfAeJIyd0upUIElB+lI=
 golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b h1:0mm1VjtFUOIlE1SbDlwjYaDxZVDP2S5ou6y0gSgXHu8=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -493,7 +490,6 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190922100055-0a153f010e69 h1:rOhMmluY6kLMhdnrivzec6lLgaVbMHMn2ISQXJeJ5EM=
 golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191002063906-3421d5a6bb1c h1:Vco5b+cuG5NNfORVxZy6bYZQ7rsigisU1WQFkvQ0L5E=
 golang.org/x/sys v0.0.0-20191002063906-3421d5a6bb1c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -553,12 +549,11 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWD
 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 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
-gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2 h1:XZx7nhd5GMaZpmDaEHFVafUZC7ya0fuo7cSJ3UCKYmM=
 gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -585,10 +580,9 @@ mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphD
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
 mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f h1:Cq7MalBHYACRd6EesksG1Q8EoIAKOsiZviGKbOLIej4=
 mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw=
-sigs.k8s.io/kustomize/kyaml v0.1.11 h1:/VvWxVIgH5gG1K4A7trgbyLgO3tRBiAWNhLFVU1HEmo=
-sigs.k8s.io/kustomize/kyaml v0.1.11/go.mod h1:72/rLkSi+L/pHM1oCjwrf3ClU+tH5kZQvvdLSqIHwWU=
+sigs.k8s.io/kustomize/kyaml v0.4.1 h1:NEqA/35upoAjb+I5vh1ODUqxoX4DOrezeQa9BhhG5Co=
+sigs.k8s.io/kustomize/kyaml v0.4.1/go.mod h1:XJL84E6sOFeNrQ7CADiemc1B0EjIxHo3OhW4o1aJYNw=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
-sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

api/ifc/ifc.go

@@ -41,33 +41,33 @@ type Loader interface {
 // Kunstructured allows manipulation of k8s objects
 // that do not have Golang structs.
 type Kunstructured interface {
-	Map() map[string]interface{}
-	SetMap(map[string]interface{})
 	Copy() Kunstructured
-	GetFieldValue(string) (interface{}, error)
-	GetString(string) (string, error)
-	GetStringSlice(string) ([]string, error)
+	GetAnnotations() map[string]string
 	GetBool(path string) (bool, error)
+	GetFieldValue(string) (interface{}, error)
 	GetFloat64(path string) (float64, error)
-	GetInt64(path string) (int64, error)
-	GetSlice(path string) ([]interface{}, error)
-	GetStringMap(path string) (map[string]string, error)
-	GetMap(path string) (map[string]interface{}, error)
-	MarshalJSON() ([]byte, error)
-	UnmarshalJSON([]byte) error
 	GetGvk() resid.Gvk
-	SetGvk(resid.Gvk)
+	GetInt64(path string) (int64, error)
 	GetKind() string
+	GetLabels() map[string]string
+	GetMap(path string) (map[string]interface{}, error)
 	GetName() string
+	GetSlice(path string) ([]interface{}, error)
+	GetString(string) (string, error)
+	GetStringMap(path string) (map[string]string, error)
+	GetStringSlice(string) ([]string, error)
+	Map() map[string]interface{}
+	MarshalJSON() ([]byte, error)
+	MatchesAnnotationSelector(selector string) (bool, error)
+	MatchesLabelSelector(selector string) (bool, error)
+	Patch(Kunstructured) error
+	SetAnnotations(map[string]string)
+	SetGvk(resid.Gvk)
+	SetLabels(map[string]string)
+	SetMap(map[string]interface{})
 	SetName(string)
 	SetNamespace(string)
-	GetLabels() map[string]string
-	SetLabels(map[string]string)
-	GetAnnotations() map[string]string
-	SetAnnotations(map[string]string)
-	MatchesLabelSelector(selector string) (bool, error)
-	MatchesAnnotationSelector(selector string) (bool, error)
-	Patch(Kunstructured) error
+	UnmarshalJSON([]byte) error
 }
 
 // KunstructuredFactory makes instances of Kunstructured.

api/internal/crawl/cmd/crawler/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.11 AS build
+FROM golang:1.14 AS build
 
 ARG GO111MODULE=on
 

api/internal/crawl/cmd/crawler/crawler.go

@@ -159,40 +159,31 @@ func main() {
 		}
 	}
 
-	seedDocs := make(crawler.CrawlSeed, 0)
-
-	// get all the documents in the index
-	getSeedDocsFunc := func() {
-		query := []byte(`{ "query":{ "match_all":{} } }`)
-		it := idx.IterateQuery(query, 10000, 60*time.Second)
-		for it.Next() {
-			for _, hit := range it.Value().Hits.Hits {
-				seedDocs = append(seedDocs, hit.Document.Document.Copy())
-			}
-		}
-		if err := it.Err(); err != nil {
-			log.Fatalf("getSeedDocsFunc Error iterating: %v\n", err)
-		}
-	}
+	query := []byte(`{ "query":{ "match_all":{} } }`)
+	it := idx.IterateQuery(query, 10000, 60*time.Second)
 
 	switch mode {
 	case CrawlIndexAndGithub:
-		getSeedDocsFunc()
 		crawlers := []crawler.Crawler{ghCrawlerConstructor("", "")}
-		crawler.CrawlFromSeed(ctx, seedDocs, crawlers, docConverter, indexFunc, seen)
+		crawler.CrawlFromSeedIterator(ctx, it, crawlers, docConverter, indexFunc, seen)
 		crawler.CrawlGithub(ctx, crawlers, docConverter, indexFunc, seen)
 	case CrawlIndex:
-		getSeedDocsFunc()
 		crawlers := []crawler.Crawler{ghCrawlerConstructor("", "")}
-		crawler.CrawlFromSeed(ctx, seedDocs, crawlers, docConverter, indexFunc, seen)
+		crawler.CrawlFromSeedIterator(ctx, it, crawlers, docConverter, indexFunc, seen)
 	case CrawlGithub:
 		crawlers := []crawler.Crawler{ghCrawlerConstructor("", "")}
 		// add all the documents in the index into seen.
 		// this greatly reduces the time overhead of CrawlGithub.
-		getSeedDocsFunc()
-		for _, d := range seedDocs {
-			seen[d.ID()] = d.FileType
+		for it.Next() {
+			for _, hit := range it.Value().Hits.Hits {
+				d := hit.Document.Document
+				seen.Set(d.ID(), d.FileType)
+			}
 		}
+		if err := it.Err(); err != nil {
+			log.Fatalf("Error iterating the index: %v\n", err)
+		}
+
 		crawler.CrawlGithub(ctx, crawlers, docConverter, indexFunc, seen)
 	case CrawlUser:
 		if *githubUserPtr == "" {

api/internal/crawl/config/elastic/service.yaml

@@ -1,16 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: elasticsearch
-spec:
-  selector:
-    custom-resource: v1alpha1.ESCluster
-    custom-resource-name: esbasic
-    custom-resource-namespace: default
-    es/data: "true"
-    using: escluster.Cluster
-  ports:
-  - protocol: "TCP"
-    port: 9200
-  type: LoadBalancer
-  loadBalancerIP: ""

api/internal/crawl/crawler/crawler.go

@@ -213,21 +213,36 @@ func doCrawl(ctx context.Context, docsPtr *CrawlSeed, crawlers []Crawler, conv C
 	logger.Printf("\t%d documents cannot be converted but still were inserted or updated in the index\n", convErrCount)
 }
 
+// CrawlFromSeedIterator iterates all the documents in the index and call CrawlFromSeed for each document.
+func CrawlFromSeedIterator(ctx context.Context, it *index.KustomizeIterator, crawlers []Crawler,
+	conv Converter, indx IndexFunc, seen utils.SeenMap) {
+	docCount := 0
+	for it.Next() {
+		for _, hit := range it.Value().Hits.Hits {
+			docCount++
+			logger.Printf("updating document %d from seed\n", docCount)
+
+			singleSeed := CrawlSeed{&(hit.Document.Document)}
+			CrawlFromSeed(ctx, singleSeed, crawlers, conv, indx, seen)
+		}
+	}
+	if err := it.Err(); err != nil {
+		log.Fatalf("Error iterating the index: %v\n", err)
+	}
+}
+
 // CrawlFromSeed updates all the documents in seed, and crawls all the new
 // documents referred in the seed.
 func CrawlFromSeed(ctx context.Context, seed CrawlSeed, crawlers []Crawler,
 	conv Converter, indx IndexFunc, seen utils.SeenMap) {
 
-	// stack tracks the documents directly referred in other documents.
+	// stack tracks the documents directly referred in the seed.
 	stack := make(CrawlSeed, 0)
 
-	// Exploit seed to update bulk of corpus.
-	logger.Printf("updating %d documents from seed\n", len(seed))
 	// each unique document in seed will be crawled once.
 	doCrawl(ctx, &seed, crawlers, conv, indx, seen, &stack, true, false)
 
-	// Traverse any new documents added while updating corpus.
-	logger.Printf("crawling %d new documents found in the seed\n", len(stack))
+	logger.Printf("crawling %d new documents referred by doc\n", len(stack))
 	// While crawling each document in stack, the documents directly referred in the document
 	// will be added into stack.
 	// After this statement is done, stack will become empty.
@@ -297,8 +312,6 @@ func CrawlGithubRunner(ctx context.Context, output chan<- CrawledDocument,
 // CrawlGithub crawls all the kustomization files on Github.
 func CrawlGithub(ctx context.Context, crawlers []Crawler, conv Converter,
 	indx IndexFunc, seen utils.SeenMap) {
-	// stack tracks the documents directly referred in other documents.
-	stack := make(CrawlSeed, 0)
 
 	// ch is channel where all the crawlers sends the crawled documents to.
 	ch := make(chan CrawledDocument, 1<<10)
@@ -324,7 +337,20 @@ func CrawlGithub(ctx context.Context, crawlers []Crawler, conv Converter,
 					"%v could not match any crawler", cdoc))
 				continue
 			}
+
+			// stack tracks the documents directly referred in the document.
+			stack := make(CrawlSeed, 0)
+
 			addBranches(cdoc, match, indx, seen, &stack)
+
+			if len(stack) > 0 {
+				// here the documents referred in a kustomization file are crawled separately,
+				// to avoid accumulating all the referred documents into a single gigantic
+				// mem-inentive stack.
+				logger.Printf("crawling the %d new documents referred in doc %d",
+					len(stack), docCount)
+				doCrawl(ctx, &stack, crawlers, conv, indx, seen, &stack, false, true)
+			}
 		}
 	}()
 
@@ -336,9 +362,4 @@ func CrawlGithub(ctx context.Context, crawlers []Crawler, conv Converter,
 	}
 	close(ch)
 	wg.Wait()
-
-	// Handle deps of newly discovered documents.
-	logger.Printf("crawling the %d new documents referred by other documents",
-		len(stack))
-	doCrawl(ctx, &stack, crawlers, conv, indx, seen, &stack, false, true)
 }

api/internal/crawl/crawler/github/crawler.go

@@ -82,14 +82,15 @@ func (gc githubCrawler) Crawl(ctx context.Context,
 
 	ranges := []RangeWithin{
 		RangeWithin{
-		start: uint64(0),
-		end:   githubMaxFileSize,
-	},
+			start: uint64(0),
+			end:   githubMaxFileSize,
+		},
 	}
 
 	errs := make(multiError, 0)
 	for len(ranges) > 0 {
-		tailRange := ranges[len(ranges) - 1]
+		logger.Printf("Current ranges: %v (len: %d)\n", ranges, len(ranges))
+		tailRange := ranges[len(ranges)-1]
 		ranges = ranges[:(len(ranges) - 1)]
 		reProcessQueryRanges, err := gc.CrawlSingleRange(ctx, output, seen, tailRange.start, tailRange.end)
 		if err != nil {
@@ -151,7 +152,15 @@ func (gc githubCrawler) CrawlSingleRange(ctx context.Context,
 		}
 		queryResult.Add(rangeResult)
 		if reProcessQuery {
-			reProcessQueryRanges = append(reProcessQueryRanges, RangeSizes(query))
+			// if the size of a range is 0, such as [245, 245], and reProcessQuery is true,
+			// it means that there are more than 1000 results for the query range.
+			// Reprocessing the query range will not help because the GitHub Search API
+			// only provides up to 1,000 results for each search.
+			if RangeSizes(query).Size() == 0 {
+				logger.Printf("range size is 0 includes more than 1000 results: %s", query)
+			} else {
+				reProcessQueryRanges = append(reProcessQueryRanges, RangeSizes(query))
+			}
 		}
 	}
 

api/internal/crawl/crawler/github/queries.go

@@ -225,3 +225,7 @@ type RangeWithin struct {
 func (r RangeWithin) RangeString() string {
 	return fmt.Sprintf("%d..%d", r.start, r.end)
 }
+
+func (r RangeWithin) Size() uint64 {
+	return r.end - r.start
+}

api/internal/crawl/go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/kustomize/api/internal/crawl
 
-go 1.13
+go 1.14
 
 require (
 	github.com/elastic/go-elasticsearch/v6 v6.8.5

api/internal/crawl/go.sum

@@ -490,9 +490,10 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -514,7 +515,7 @@ k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl
 mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
 mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw=
-sigs.k8s.io/kustomize/kyaml v0.1.11/go.mod h1:72/rLkSi+L/pHM1oCjwrf3ClU+tH5kZQvvdLSqIHwWU=
+sigs.k8s.io/kustomize/kyaml v0.4.1/go.mod h1:XJL84E6sOFeNrQ7CADiemc1B0EjIxHo3OhW4o1aJYNw=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

api/internal/crawl/utils/utils.go

@@ -1,21 +1,37 @@
 package utils
 
-type SeenMap map[string]string
+import "sync"
 
+type SeenMap struct {
+	data map[string]string
+	lock sync.RWMutex
+}
+
+// TODO: add lock to avoid race condition
 func (seen SeenMap) Seen(item string) bool {
-	_, ok := seen[item]
+	seen.lock.RLock()
+	_, ok := seen.data[item]
+	seen.lock.RUnlock()
 	return ok
 }
 
 func (seen SeenMap) Set(k, v string) {
-	seen[k] = v
+	seen.lock.Lock()
+	seen.data[k] = v
+	seen.lock.Unlock()
 }
 
 // The caller should make sure that key is in the map.
 func (seen SeenMap) Value(k string) string {
-	return seen[k]
+	seen.lock.RLock()
+	v := seen.data[k]
+	seen.lock.RUnlock()
+	return v
 }
 
 func NewSeenMap() SeenMap {
-	return make(map[string]string)
+	return SeenMap{
+		data: make(map[string]string),
+		lock: sync.RWMutex{},
+	}
 }

api/internal/git/cloner.go

@@ -33,6 +33,7 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 	cmd := exec.Command(
 		gitProgram,
 		"clone",
+		"--depth=1",
 		repoSpec.CloneSpec(),
 		repoSpec.Dir.String())
 	out, err := cmd.CombinedOutput()
@@ -46,10 +47,23 @@ func ClonerUsingGitExec(repoSpec *RepoSpec) error {
 
 	cmd = exec.Command(
 		gitProgram,
-		"checkout",
+		"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)

api/internal/plugins/execplugin/execplugin.go

@@ -9,22 +9,17 @@ import (
 	"io/ioutil"
 	"os"
 	"os/exec"
-	"strconv"
 	"strings"
 
 	"github.com/google/shlex"
 
 	"github.com/pkg/errors"
-	"sigs.k8s.io/kustomize/api/resid"
+	"sigs.k8s.io/kustomize/api/internal/plugins/utils"
 	"sigs.k8s.io/kustomize/api/resmap"
-	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
 const (
-	idAnnotation        = "kustomize.config.k8s.io/id"
-	HashAnnotation      = "kustomize.config.k8s.io/needs-hash"
-	BehaviorAnnotation  = "kustomize.config.k8s.io/behavior"
 	tmpConfigFilePrefix = "kust-plugin-config-"
 )
 
@@ -114,12 +109,12 @@ func (p *ExecPlugin) Generate() (resmap.ResMap, error) {
 	if err != nil {
 		return nil, err
 	}
-	return p.UpdateResourceOptions(rm)
+	return utils.UpdateResourceOptions(rm)
 }
 
 func (p *ExecPlugin) Transform(rm resmap.ResMap) error {
 	// add ResIds as annotations to all objects so that we can add them back
-	inputRM, err := p.getResMapWithIdAnnotation(rm)
+	inputRM, err := utils.GetResMapWithIDAnnotation(rm)
 	if err != nil {
 		return err
 	}
@@ -137,7 +132,7 @@ func (p *ExecPlugin) Transform(rm resmap.ResMap) error {
 	}
 
 	// update the original ResMap based on the output
-	return p.updateResMapValues(output, rm)
+	return utils.UpdateResMapValues(p.path, p.h, output, rm)
 }
 
 // invokePlugin writes plugin config to a temp file, then
@@ -184,91 +179,3 @@ func (p *ExecPlugin) getEnv() []string {
 		"KUSTOMIZE_PLUGIN_CONFIG_ROOT="+p.h.Loader().Root())
 	return env
 }
-
-// Returns a new copy of the given ResMap with the ResIds annotated in each Resource
-func (p *ExecPlugin) getResMapWithIdAnnotation(rm resmap.ResMap) (resmap.ResMap, error) {
-	inputRM := rm.DeepCopy()
-	for _, r := range inputRM.Resources() {
-		idString, err := yaml.Marshal(r.CurId())
-		if err != nil {
-			return nil, err
-		}
-		annotations := r.GetAnnotations()
-		if annotations == nil {
-			annotations = make(map[string]string)
-		}
-		annotations[idAnnotation] = string(idString)
-		r.SetAnnotations(annotations)
-	}
-	return inputRM, nil
-}
-
-// updateResMapValues updates the Resource value in the given ResMap
-// with the emitted Resource values in output.
-func (p *ExecPlugin) updateResMapValues(output []byte, rm resmap.ResMap) error {
-	outputRM, err := p.h.ResmapFactory().NewResMapFromBytes(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",
-				p.path, idAnnotation)
-		}
-		id := resid.ResId{}
-		err := yaml.Unmarshal([]byte(idString), &id)
-		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())
-		}
-		// remove the annotation set by Kustomize to track the resource
-		delete(annotations, idAnnotation)
-		if len(annotations) == 0 {
-			annotations = nil
-		}
-		r.SetAnnotations(annotations)
-
-		// update the ResMap resource value with the transformed object
-		res.Kunstructured = r.Kunstructured
-	}
-	return nil
-}
-
-// updateResourceOptions updates the generator options for each resource in the
-// given ResMap based on plugin provided annotations.
-func (p *ExecPlugin) UpdateResourceOptions(rm resmap.ResMap) (resmap.ResMap, error) {
-	for _, r := range rm.Resources() {
-		// Disable name hashing by default and require plugin to explicitly
-		// request it for each resource.
-		annotations := r.GetAnnotations()
-		behavior := annotations[BehaviorAnnotation]
-		var needsHash bool
-		if val, ok := annotations[HashAnnotation]; ok {
-			b, err := strconv.ParseBool(val)
-			if err != nil {
-				return nil, fmt.Errorf(
-					"the annotation %q contains an invalid value (%q)",
-					HashAnnotation, val)
-			}
-			needsHash = b
-		}
-		delete(annotations, HashAnnotation)
-		delete(annotations, BehaviorAnnotation)
-		if len(annotations) == 0 {
-			annotations = nil
-		}
-		r.SetAnnotations(annotations)
-		r.SetOptions(types.NewGenArgs(
-			&types.GeneratorArgs{
-				Behavior: behavior,
-				Options:  &types.GeneratorOptions{DisableNameSuffixHash: !needsHash}}))
-	}
-	return rm, nil
-}

api/internal/plugins/execplugin/execplugin_test.go

@@ -4,7 +4,6 @@
 package execplugin_test
 
 import (
-	"fmt"
 	"strings"
 	"testing"
 
@@ -17,7 +16,6 @@ import (
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	valtest_test "sigs.k8s.io/kustomize/api/testutils/valtest"
-	"sigs.k8s.io/kustomize/api/types"
 )
 
 func TestExecPluginConfig(t *testing.T) {
@@ -91,107 +89,3 @@ metadata:
 		t.Fatalf("unexpected arg array: %#v", p.Args())
 	}
 }
-
-func makeConfigMap(rf *resource.Factory, name, behavior string, hashValue *string) *resource.Resource {
-	r := rf.FromMap(map[string]interface{}{
-		"apiVersion": "v1",
-		"kind":       "ConfigMap",
-		"metadata":   map[string]interface{}{"name": name},
-	})
-	annotations := map[string]string{}
-	if behavior != "" {
-		annotations[BehaviorAnnotation] = behavior
-	}
-	if hashValue != nil {
-		annotations[HashAnnotation] = *hashValue
-	}
-	if len(annotations) > 0 {
-		r.SetAnnotations(annotations)
-	}
-	return r
-}
-
-func makeConfigMapOptions(rf *resource.Factory, name, behavior string, disableHash bool) *resource.Resource {
-	return rf.FromMapAndOption(map[string]interface{}{
-		"apiVersion": "v1",
-		"kind":       "ConfigMap",
-		"metadata":   map[string]interface{}{"name": name},
-	}, &types.GeneratorArgs{
-		Behavior: behavior,
-		Options:  &types.GeneratorOptions{DisableNameSuffixHash: disableHash}})
-}
-
-func strptr(s string) *string {
-	return &s
-}
-
-func TestUpdateResourceOptions(t *testing.T) {
-	p := NewExecPlugin("")
-	if err := p.ErrIfNotExecutable(); err == nil {
-		t.Fatalf("expected unexecutable error")
-	}
-	rf := resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())
-	in := resmap.New()
-	expected := resmap.New()
-	cases := []struct {
-		behavior  string
-		needsHash bool
-		hashValue *string
-	}{
-		{hashValue: strptr("false")},
-		{hashValue: strptr("true"), needsHash: true},
-		{behavior: "replace"},
-		{behavior: "merge"},
-		{behavior: "create"},
-		{behavior: "nonsense"},
-		{behavior: "merge", hashValue: strptr("false")},
-		{behavior: "merge", hashValue: strptr("true"), needsHash: true},
-	}
-	for i, c := range cases {
-		name := fmt.Sprintf("test%d", i)
-		in.Append(makeConfigMap(rf, name, c.behavior, c.hashValue))
-		expected.Append(makeConfigMapOptions(rf, name, c.behavior, !c.needsHash))
-	}
-	actual, err := p.UpdateResourceOptions(in)
-	if err != nil {
-		t.Fatalf("unexpected error: %v", err.Error())
-	}
-	for i, a := range expected.Resources() {
-		b := actual.GetByIndex(i)
-		if b == nil {
-			t.Fatalf("resource %d missing from processed map", i)
-		}
-		if !a.Equals(b) {
-			t.Errorf("expected %v got %v", a, b)
-		}
-		if a.NeedHashSuffix() != b.NeedHashSuffix() {
-			t.Errorf("")
-		}
-		if a.Behavior() != b.Behavior() {
-			t.Errorf("expected %v got %v", a.Behavior(), b.Behavior())
-		}
-	}
-}
-
-func TestUpdateResourceOptionsWithInvalidHashAnnotationValues(t *testing.T) {
-	p := NewExecPlugin("")
-	if err := p.ErrIfNotExecutable(); err == nil {
-		t.Fatalf("expected unexecutable error")
-	}
-	rf := resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())
-	cases := []string{
-		"",
-		"FaLsE",
-		"TrUe",
-		"potato",
-	}
-	for i, c := range cases {
-		name := fmt.Sprintf("test%d", i)
-		in := resmap.New()
-		in.Append(makeConfigMap(rf, name, "", &c))
-		_, err := p.UpdateResourceOptions(in)
-		if err == nil {
-			t.Errorf("expected error from value %q", c)
-		}
-	}
-}

api/internal/plugins/fnplugin/fnplugin.go

@@ -0,0 +1,197 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package fnplugin
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/pkg/errors"
+
+	"sigs.k8s.io/kustomize/api/internal/plugins/utils"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/kustomize/kyaml/fn/runtime/runtimeutil"
+	"sigs.k8s.io/kustomize/kyaml/runfn"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// FnPlugin is the struct to hold function information
+type FnPlugin struct {
+	// Function runner
+	runFns runfn.RunFns
+
+	// Plugin configuration data.
+	cfg []byte
+
+	// Plugin name cache for error output
+	pluginName string
+
+	// PluginHelpers
+	h *resmap.PluginHelpers
+}
+
+func bytesToRNode(yml []byte) (*yaml.RNode, error) {
+	rnode, err := yaml.Parse(string(yml))
+	if err != nil {
+		return nil, err
+	}
+	return rnode, nil
+}
+
+func resourceToRNode(res *resource.Resource) (*yaml.RNode, error) {
+	yml, err := res.AsYAML()
+	if err != nil {
+		return nil, err
+	}
+
+	return bytesToRNode(yml)
+}
+
+// GetFunctionSpec return function spec is there is. Otherwise return nil
+func GetFunctionSpec(res *resource.Resource) *runtimeutil.FunctionSpec {
+	rnode, err := resourceToRNode(res)
+	if err != nil {
+		return nil
+	}
+
+	return runtimeutil.GetFunctionSpec(rnode)
+}
+
+func toStorageMounts(mounts []string) []runtimeutil.StorageMount {
+	var sms []runtimeutil.StorageMount
+	for _, mount := range mounts {
+		sms = append(sms, runtimeutil.StringToStorageMount(mount))
+	}
+	return sms
+}
+
+// NewFnPlugin creates a FnPlugin struct
+func NewFnPlugin(o *types.FnPluginLoadingOptions) *FnPlugin {
+	return &FnPlugin{
+		runFns: runfn.RunFns{
+			Functions:      []*yaml.RNode{},
+			Network:        o.Network,
+			NetworkName:    o.NetworkName,
+			EnableStarlark: o.EnableStar,
+			EnableExec:     o.EnableExec,
+			StorageMounts:  toStorageMounts(o.Mounts),
+		},
+	}
+}
+
+// Cfg returns function config
+func (p *FnPlugin) Cfg() []byte {
+	return p.cfg
+}
+
+// Config is called by kustomize to pass-in config information
+func (p *FnPlugin) Config(h *resmap.PluginHelpers, config []byte) error {
+	p.h = h
+	p.cfg = config
+
+	fn, err := bytesToRNode(p.cfg)
+	if err != nil {
+		return err
+	}
+
+	meta, err := fn.GetMeta()
+	if err != nil {
+		return err
+	}
+
+	p.pluginName = fmt.Sprintf("api: %s, kind: %s, name: %s",
+		meta.APIVersion, meta.Kind, meta.Name)
+
+	return nil
+}
+
+// Generate is called when run as generator
+func (p *FnPlugin) Generate() (resmap.ResMap, error) {
+	output, err := p.invokePlugin(nil)
+	if err != nil {
+		return nil, err
+	}
+	rm, err := p.h.ResmapFactory().NewResMapFromBytes(output)
+	if err != nil {
+		return nil, err
+	}
+	return utils.UpdateResourceOptions(rm)
+}
+
+// Transform is called when run as transformer
+func (p *FnPlugin) Transform(rm resmap.ResMap) error {
+	// add ResIds as annotations to all objects so that we can add them back
+	inputRM, err := utils.GetResMapWithIDAnnotation(rm)
+	if err != nil {
+		return err
+	}
+
+	// encode the ResMap so it can be fed to the plugin
+	resources, err := inputRM.AsYaml()
+	if err != nil {
+		return err
+	}
+
+	// invoke the plugin with resources as the input
+	output, err := p.invokePlugin(resources)
+	if err != nil {
+		return fmt.Errorf("%v %s", err, string(output))
+	}
+
+	// update the original ResMap based on the output
+	return utils.UpdateResMapValues(p.pluginName, p.h, output, rm)
+}
+
+func injectAnnotation(input *yaml.RNode, k, v string) error {
+	err := input.PipeE(yaml.SetAnnotation(k, v))
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// invokePlugin uses Function runner to run function as plugin
+func (p *FnPlugin) invokePlugin(input []byte) ([]byte, error) {
+	// get function config rnode
+	functionConfig, err := bytesToRNode(p.cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	// This annotation will let kustomize ingnore this item in output
+	err = injectAnnotation(functionConfig, "config.kubernetes.io/local-config", "true")
+	if err != nil {
+		return nil, err
+	}
+	// we need to add config as input for generators. Some of them don't work with FunctionConfig
+	// and in addition kio.Pipeline won't create anything if there are no objects
+	// see https://github.com/kubernetes-sigs/kustomize/blob/master/kyaml/kio/kio.go#L93
+	// Since we added `local-config` annotation so it will be ignored in generator output
+	// TODO(donnyxia): This is actually not used by generator and only used to bypass a kio limitation.
+	// Need better solution.
+	if input == nil {
+		yaml, err := functionConfig.String()
+		if err != nil {
+			return nil, err
+		}
+		input = []byte(yaml)
+	}
+
+	// Configure and Execute Fn. We don't need to convert resources to ResourceList here
+	// because function runtime will do that. See kyaml/fn/runtime/runtimeutil/runtimeutil.go
+	var ouputBuffer bytes.Buffer
+	p.runFns.Input = bytes.NewReader(input)
+	p.runFns.Functions = append(p.runFns.Functions, functionConfig)
+	p.runFns.Output = &ouputBuffer
+
+	err = p.runFns.Execute()
+	if err != nil {
+		return nil, errors.Wrap(
+			err, "couldn't execute function")
+	}
+
+	return ouputBuffer.Bytes(), nil
+}

api/internal/plugins/loader/loader.go

@@ -16,6 +16,7 @@ import (
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/internal/plugins/builtinhelpers"
 	"sigs.k8s.io/kustomize/api/internal/plugins/execplugin"
+	"sigs.k8s.io/kustomize/api/internal/plugins/fnplugin"
 	"sigs.k8s.io/kustomize/api/internal/plugins/utils"
 	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/resid"
@@ -116,7 +117,7 @@ func (l *Loader) loadAndConfigurePlugin(
 	if isBuiltinPlugin(res) {
 		switch l.pc.BpLoadingOptions {
 		case types.BploLoadFromFileSys:
-			c, err = l.loadPlugin(res.OrgId())
+			c, err = l.loadPlugin(res)
 		case types.BploUseStaticallyLinked:
 			// Instead of looking for and loading a .so file,
 			// instantiate the plugin from a generated factory
@@ -131,7 +132,7 @@ func (l *Loader) loadAndConfigurePlugin(
 	} else {
 		switch l.pc.PluginRestrictions {
 		case types.PluginRestrictionsNone:
-			c, err = l.loadPlugin(res.OrgId())
+			c, err = l.loadPlugin(res)
 		case types.PluginRestrictionsBuiltinsOnly:
 			err = types.NewErrOnlyBuiltinPluginsAllowed(res.OrgId().Kind)
 		default:
@@ -166,7 +167,15 @@ func (l *Loader) makeBuiltinPlugin(r resid.Gvk) (resmap.Configurable, error) {
 	return nil, errors.Errorf("unable to load builtin %s", r)
 }
 
-func (l *Loader) loadPlugin(resId resid.ResId) (resmap.Configurable, error) {
+func (l *Loader) loadPlugin(res *resource.Resource) (resmap.Configurable, error) {
+	spec := fnplugin.GetFunctionSpec(res)
+	if spec != nil {
+		return fnplugin.NewFnPlugin(&l.pc.FnpLoadingOptions), nil
+	}
+	return l.loadExecOrGoPlugin(res.OrgId())
+}
+
+func (l *Loader) loadExecOrGoPlugin(resId resid.ResId) (resmap.Configurable, error) {
 	// First try to load the plugin as an executable.
 	p := execplugin.NewExecPlugin(l.absolutePluginPath(resId))
 	err := p.ErrIfNotExecutable()

api/internal/plugins/utils/utils.go

@@ -4,13 +4,25 @@
 package utils
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"runtime"
+	"strconv"
 	"time"
 
 	"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/types"
+	"sigs.k8s.io/yaml"
+)
+
+const (
+	idAnnotation       = "kustomize.config.k8s.io/id"
+	HashAnnotation     = "kustomize.config.k8s.io/needs-hash"
+	BehaviorAnnotation = "kustomize.config.k8s.io/behavior"
 )
 
 func GoBin() string {
@@ -113,3 +125,91 @@ func FileExists(path string) bool {
 	}
 	return true
 }
+
+// GetResMapWithIDAnnotation returns a new copy of the given ResMap with the ResIds annotated in each Resource
+func GetResMapWithIDAnnotation(rm resmap.ResMap) (resmap.ResMap, error) {
+	inputRM := rm.DeepCopy()
+	for _, r := range inputRM.Resources() {
+		idString, err := yaml.Marshal(r.CurId())
+		if err != nil {
+			return nil, err
+		}
+		annotations := r.GetAnnotations()
+		if annotations == nil {
+			annotations = make(map[string]string)
+		}
+		annotations[idAnnotation] = string(idString)
+		r.SetAnnotations(annotations)
+	}
+	return inputRM, nil
+}
+
+// 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)
+	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)
+		}
+		id := resid.ResId{}
+		err := yaml.Unmarshal([]byte(idString), &id)
+		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())
+		}
+		// 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)
+	}
+	return nil
+}
+
+// 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) {
+	for _, r := range rm.Resources() {
+		// Disable name hashing by default and require plugin to explicitly
+		// request it for each resource.
+		annotations := r.GetAnnotations()
+		behavior := annotations[BehaviorAnnotation]
+		var needsHash bool
+		if val, ok := annotations[HashAnnotation]; ok {
+			b, err := strconv.ParseBool(val)
+			if err != nil {
+				return nil, fmt.Errorf(
+					"the annotation %q contains an invalid value (%q)",
+					HashAnnotation, val)
+			}
+			needsHash = b
+		}
+		delete(annotations, HashAnnotation)
+		delete(annotations, BehaviorAnnotation)
+		if len(annotations) == 0 {
+			annotations = nil
+		}
+		r.SetAnnotations(annotations)
+		r.SetOptions(types.NewGenArgs(
+			&types.GeneratorArgs{
+				Behavior: behavior,
+				Options:  &types.GeneratorOptions{DisableNameSuffixHash: !needsHash}}))
+	}
+	return rm, nil
+}

api/internal/plugins/utils/utils_test.go

@@ -4,12 +4,17 @@
 package utils
 
 import (
+	"fmt"
 	"path/filepath"
 	"strings"
 	"testing"
 
 	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
 	"sigs.k8s.io/kustomize/api/konfig"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
 )
 
 func TestDeterminePluginSrcRoot(t *testing.T) {
@@ -24,3 +29,99 @@ func TestDeterminePluginSrcRoot(t *testing.T) {
 		t.Errorf("expected suffix '%s' in '%s'", konfig.RelPluginHome, actual)
 	}
 }
+
+func makeConfigMap(rf *resource.Factory, name, behavior string, hashValue *string) *resource.Resource {
+	r := rf.FromMap(map[string]interface{}{
+		"apiVersion": "v1",
+		"kind":       "ConfigMap",
+		"metadata":   map[string]interface{}{"name": name},
+	})
+	annotations := map[string]string{}
+	if behavior != "" {
+		annotations[BehaviorAnnotation] = behavior
+	}
+	if hashValue != nil {
+		annotations[HashAnnotation] = *hashValue
+	}
+	if len(annotations) > 0 {
+		r.SetAnnotations(annotations)
+	}
+	return r
+}
+
+func makeConfigMapOptions(rf *resource.Factory, name, behavior string, disableHash bool) *resource.Resource {
+	return rf.FromMapAndOption(map[string]interface{}{
+		"apiVersion": "v1",
+		"kind":       "ConfigMap",
+		"metadata":   map[string]interface{}{"name": name},
+	}, &types.GeneratorArgs{
+		Behavior: behavior,
+		Options:  &types.GeneratorOptions{DisableNameSuffixHash: disableHash}})
+}
+
+func strptr(s string) *string {
+	return &s
+}
+
+func TestUpdateResourceOptions(t *testing.T) {
+	rf := resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())
+	in := resmap.New()
+	expected := resmap.New()
+	cases := []struct {
+		behavior  string
+		needsHash bool
+		hashValue *string
+	}{
+		{hashValue: strptr("false")},
+		{hashValue: strptr("true"), needsHash: true},
+		{behavior: "replace"},
+		{behavior: "merge"},
+		{behavior: "create"},
+		{behavior: "nonsense"},
+		{behavior: "merge", hashValue: strptr("false")},
+		{behavior: "merge", hashValue: strptr("true"), needsHash: true},
+	}
+	for i, c := range cases {
+		name := fmt.Sprintf("test%d", i)
+		in.Append(makeConfigMap(rf, name, c.behavior, c.hashValue))
+		expected.Append(makeConfigMapOptions(rf, name, c.behavior, !c.needsHash))
+	}
+	actual, err := UpdateResourceOptions(in)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err.Error())
+	}
+	for i, a := range expected.Resources() {
+		b := actual.GetByIndex(i)
+		if b == nil {
+			t.Fatalf("resource %d missing from processed map", i)
+		}
+		if !a.Equals(b) {
+			t.Errorf("expected %v got %v", a, b)
+		}
+		if a.NeedHashSuffix() != b.NeedHashSuffix() {
+			t.Errorf("")
+		}
+		if a.Behavior() != b.Behavior() {
+			t.Errorf("expected %v got %v", a.Behavior(), b.Behavior())
+		}
+	}
+}
+
+func TestUpdateResourceOptionsWithInvalidHashAnnotationValues(t *testing.T) {
+	rf := resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl())
+	cases := []string{
+		"",
+		"FaLsE",
+		"TrUe",
+		"potato",
+	}
+	for i, c := range cases {
+		name := fmt.Sprintf("test%d", i)
+		in := resmap.New()
+		in.Append(makeConfigMap(rf, name, "", &c))
+		_, err := UpdateResourceOptions(in)
+		if err == nil {
+			t.Errorf("expected error from value %q", c)
+		}
+	}
+}

api/internal/target/kusttarget.go

@@ -4,7 +4,6 @@
 package target
 
 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
 	"strings"
@@ -60,7 +59,7 @@ func (kt *KustTarget) Load() error {
 		return err
 	}
 	var k types.Kustomization
-	err = unmarshal(content, &k)
+	err = k.Unmarshal(content)
 	if err != nil {
 		return err
 	}
@@ -104,16 +103,6 @@ func loadKustFile(ldr ifc.Loader) ([]byte, error) {
 	}
 }
 
-func unmarshal(y []byte, o interface{}) error {
-	j, err := yaml.YAMLToJSON(y)
-	if err != nil {
-		return err
-	}
-	dec := json.NewDecoder(bytes.NewReader(j))
-	dec.DisallowUnknownFields()
-	return dec.Decode(o)
-}
-
 // MakeCustomizedResMap creates a fully customized ResMap
 // per the instructions contained in its kustomiztion instance.
 func (kt *KustTarget) MakeCustomizedResMap() (resmap.ResMap, error) {
@@ -166,11 +155,21 @@ func (kt *KustTarget) addHashesToNames(
 // not yet fixed.
 func (kt *KustTarget) AccumulateTarget() (
 	ra *accumulator.ResAccumulator, err error) {
-	ra = accumulator.MakeEmptyAccumulator()
-	err = kt.accumulateResources(ra, kt.kustomization.Resources)
+	return kt.accumulateTarget(accumulator.MakeEmptyAccumulator())
+}
+
+// ra should be empty when this KustTarget is a Kustomization, or the ra of the parent if this KustTarget is a Component
+// (or empty if the Component does not have a parent).
+func (kt *KustTarget) accumulateTarget(ra *accumulator.ResAccumulator) (
+	resRa *accumulator.ResAccumulator, err error) {
+	ra, err = kt.accumulateResources(ra, kt.kustomization.Resources)
 	if err != nil {
 		return nil, errors.Wrap(err, "accumulating resources")
 	}
+	ra, err = kt.accumulateComponents(ra, kt.kustomization.Components)
+	if err != nil {
+		return nil, errors.Wrap(err, "accumulating components")
+	}
 	tConfig, err := builtinconfig.MakeTransformerConfig(
 		kt.ldr, kt.kustomization.Configurations)
 	if err != nil {
@@ -199,6 +198,10 @@ func (kt *KustTarget) AccumulateTarget() (
 	if err != nil {
 		return nil, err
 	}
+	err = kt.runValidators(ra)
+	if err != nil {
+		return nil, err
+	}
 	err = ra.MergeVars(kt.kustomization.Vars)
 	if err != nil {
 		return nil, errors.Wrapf(
@@ -235,7 +238,7 @@ func (kt *KustTarget) runGenerators(
 
 func (kt *KustTarget) configureExternalGenerators() ([]resmap.Generator, error) {
 	ra := accumulator.MakeEmptyAccumulator()
-	err := kt.accumulateResources(ra, kt.kustomization.Generators)
+	ra, err := kt.accumulateResources(ra, kt.kustomization.Generators)
 	if err != nil {
 		return nil, err
 	}
@@ -250,7 +253,7 @@ func (kt *KustTarget) runTransformers(ra *accumulator.ResAccumulator) error {
 		return err
 	}
 	r = append(r, lts...)
-	lts, err = kt.configureExternalTransformers()
+	lts, err = kt.configureExternalTransformers(kt.kustomization.Transformers)
 	if err != nil {
 		return err
 	}
@@ -259,56 +262,132 @@ func (kt *KustTarget) runTransformers(ra *accumulator.ResAccumulator) error {
 	return ra.Transform(t)
 }
 
-func (kt *KustTarget) configureExternalTransformers() ([]resmap.Transformer, error) {
+func (kt *KustTarget) configureExternalTransformers(transformers []string) ([]resmap.Transformer, error) {
 	ra := accumulator.MakeEmptyAccumulator()
-	err := kt.accumulateResources(ra, kt.kustomization.Transformers)
+	ra, err := kt.accumulateResources(ra, transformers)
+
 	if err != nil {
 		return nil, err
 	}
 	return kt.pLdr.LoadTransformers(kt.ldr, kt.validator, ra.ResMap())
 }
 
-// accumulateResources fills the given resourceAccumulator
-// with resources read from the given list of paths.
-func (kt *KustTarget) accumulateResources(
-	ra *accumulator.ResAccumulator, paths []string) error {
-	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 fmt.Errorf("accumulateFile %q, loader.New %q", errF, errL)
-			}
-			errD := kt.accumulateDirectory(ra, ldr)
-			if errD != nil {
-				return fmt.Errorf("accumulateFile %q, accumulateDirector: %q", errF, errD)
-			}
+func (kt *KustTarget) runValidators(ra *accumulator.ResAccumulator) error {
+	validators, err := kt.configureExternalTransformers(kt.kustomization.Validators)
+	if err != nil {
+		return err
+	}
+	for _, v := range validators {
+		// Validators shouldn't modify the resource map
+		orignal := ra.ResMap().DeepCopy()
+		err = v.Transform(ra.ResMap())
+		if err != nil {
+			return err
+		}
+		new := ra.ResMap().DeepCopy()
+		kt.removeValidatedByLabel(new)
+		if err = orignal.ErrorIfNotEqualSets(new); err != nil {
+			return fmt.Errorf("validator shouldn't modify the resource map: %v", err)
 		}
 	}
 	return nil
 }
 
+func (kt *KustTarget) removeValidatedByLabel(rm resmap.ResMap) {
+
+	resources := rm.Resources()
+	for _, r := range resources {
+		labels := r.GetLabels()
+		if _, found := labels[konfig.ValidatedByLabelKey]; !found {
+			continue
+		}
+		delete(labels, konfig.ValidatedByLabelKey)
+		if len(labels) == 0 {
+			r.SetLabels(nil)
+		} else {
+			r.SetLabels(labels)
+		}
+	}
+}
+
+// accumulateResources fills the given resourceAccumulator
+// with resources read from the given list of paths.
+func (kt *KustTarget) accumulateResources(
+	ra *accumulator.ResAccumulator, paths []string) (*accumulator.ResAccumulator, error) {
+	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, fmt.Errorf("accumulateFile %q, loader.New %q", errF, errL)
+			}
+			var errD error
+			ra, errD = kt.accumulateDirectory(ra, ldr, false)
+			if errD != nil {
+				return nil, fmt.Errorf("accumulateFile %q, accumulateDirector: %q", errF, errD)
+			}
+		}
+	}
+	return ra, nil
+}
+
+// accumulateResources fills the given resourceAccumulator
+// with resources read from the given list of paths.
+func (kt *KustTarget) accumulateComponents(
+	ra *accumulator.ResAccumulator, paths []string) (*accumulator.ResAccumulator, error) {
+	for _, path := range paths {
+		// Components always refer to directories
+		ldr, errL := kt.ldr.New(path)
+		if errL != nil {
+			return nil, fmt.Errorf("loader.New %q", errL)
+		}
+		var errD error
+		ra, errD = kt.accumulateDirectory(ra, ldr, true)
+		if errD != nil {
+			return nil, fmt.Errorf("accumulateDirectory: %q", errD)
+		}
+	}
+	return ra, nil
+}
+
 func (kt *KustTarget) accumulateDirectory(
-	ra *accumulator.ResAccumulator, ldr ifc.Loader) error {
+	ra *accumulator.ResAccumulator, ldr ifc.Loader, isComponent bool) (*accumulator.ResAccumulator, error) {
 	defer ldr.Cleanup()
 	subKt := NewKustTarget(
 		ldr, kt.validator, kt.rFactory, kt.tFactory, kt.pLdr)
 	err := subKt.Load()
 	if err != nil {
-		return errors.Wrapf(
+		return nil, errors.Wrapf(
 			err, "couldn't make target for path '%s'", ldr.Root())
 	}
-	subRa, err := subKt.AccumulateTarget()
+	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)
+	} else if !isComponent && subKt.kustomization.Kind == types.ComponentKind {
+		return nil, fmt.Errorf(
+			"expected kind != '%s' for path '%s'", types.ComponentKind, ldr.Root())
+	}
+
+	var subRa *accumulator.ResAccumulator
+	if isComponent {
+		// Components don't create a new accumulator: the kustomization directives are added to the current accumulator
+		subRa, err = subKt.accumulateTarget(ra)
+		ra = accumulator.MakeEmptyAccumulator()
+	} else {
+		// Child Kustomizations create a new accumulator which resolves their kustomization directives, which will later
+		// be merged into the current accumulator.
+		subRa, err = subKt.AccumulateTarget()
+	}
 	if err != nil {
-		return errors.Wrapf(
+		return nil, errors.Wrapf(
 			err, "recursed accumulation of path '%s'", ldr.Root())
 	}
 	err = ra.MergeAccumulator(subRa)
 	if err != nil {
-		return errors.Wrapf(
+		return nil, errors.Wrapf(
 			err, "recursed merging from path '%s'", ldr.Root())
 	}
-	return nil
+	return ra, nil
 }
 
 func (kt *KustTarget) accumulateFile(

api/k8sdeps/kunstruct/hasher.go

@@ -78,6 +78,7 @@ func secretHash(sec *corev1.Secret) (string, error) {
 
 // encodeConfigMap encodes a ConfigMap.
 // Data, Kind, and Name are taken into account.
+// BinaryData is included if it's not empty to avoid useless key in output.
 func encodeConfigMap(cm *corev1.ConfigMap) (string, error) {
 	// json.Marshal sorts the keys in a stable order in the encoding
 	m := map[string]interface{}{"kind": "ConfigMap", "name": cm.Name, "data": cm.Data}
@@ -93,9 +94,14 @@ func encodeConfigMap(cm *corev1.ConfigMap) (string, error) {
 
 // encodeSecret encodes a Secret.
 // Data, Kind, Name, and Type are taken into account.
+// StringData is included if it's not empty to avoid useless key in output.
 func encodeSecret(sec *corev1.Secret) (string, error) {
 	// json.Marshal sorts the keys in a stable order in the encoding
-	data, err := json.Marshal(map[string]interface{}{"kind": "Secret", "type": sec.Type, "name": sec.Name, "data": sec.Data})
+	m := map[string]interface{}{"kind": "Secret", "type": sec.Type, "name": sec.Name, "data": sec.Data}
+	if len(sec.StringData) > 0 {
+		m["stringData"] = sec.StringData
+	}
+	data, err := json.Marshal(m)
 	if err != nil {
 		return "", err
 	}

api/k8sdeps/kunstruct/hasher_test.go

@@ -58,6 +58,10 @@ func TestSecretHash(t *testing.T) {
 		{"one key", &corev1.Secret{Type: "my-type", Data: map[string][]byte{"one": []byte("")}}, "74bd68bm66", ""},
 		// three keys (tests sorting order)
 		{"three keys", &corev1.Secret{Type: "my-type", Data: map[string][]byte{"two": []byte("2"), "one": []byte(""), "three": []byte("3")}}, "dgcb6h9tmk", ""},
+		// with stringdata
+		{"stringdata", &corev1.Secret{Type: "my-type", Data: map[string][]byte{"one": []byte("")}, StringData: map[string]string{"two": "2"}}, "ckm7f798g2", ""},
+		// empty stringdata
+		{"empty stringdata", &corev1.Secret{Type: "my-type", Data: map[string][]byte{"one": []byte("")}, StringData: map[string]string{}}, "74bd68bm66", ""},
 	}
 
 	for _, c := range cases {
@@ -125,6 +129,12 @@ func TestEncodeSecret(t *testing.T) {
 			Data: map[string][]byte{"two": []byte("2"), "one": []byte(""), "three": []byte("3")},
 		},
 			`{"data":{"one":"","three":"Mw==","two":"Mg=="},"kind":"Secret","name":"","type":"my-type"}`, ""},
+		// with stringdata
+		{"stringdata", &corev1.Secret{Type: "my-type", Data: map[string][]byte{"one": []byte("")}, StringData: map[string]string{"two": "2"}},
+			`{"data":{"one":""},"kind":"Secret","name":"","stringData":{"two":"2"},"type":"my-type"}`, ""},
+		// empty stringdata
+		{"empty stringdata", &corev1.Secret{Type: "my-type", Data: map[string][]byte{"one": []byte("")}, StringData: map[string]string{}},
+			`{"data":{"one":""},"kind":"Secret","name":"","type":"my-type"}`, ""},
 	}
 	for _, c := range cases {
 		s, err := encodeSecret(c.secret)

api/konfig/builtinpluginconsts/namereference.go

@@ -21,6 +21,11 @@ nameReference:
   - path: spec/scaleTargetRef/name
     kind: HorizontalPodAutoscaler
 
+- kind: StatefulSet
+  fieldSpecs:
+  - path: spec/scaleTargetRef/name
+    kind: HorizontalPodAutoscaler
+
 - kind: ConfigMap
   version: v1
   fieldSpecs:
@@ -247,6 +252,10 @@ nameReference:
     kind: Role
   - path: rules/resourceNames
     kind: ClusterRole
+  - path: spec/template/spec/containers/env/valueFrom/secretKeyRef/name
+    kind: Service
+    group: serving.knative.dev
+    version: v1
 
 - kind: Service
   version: v1

api/konfig/general.go

@@ -30,4 +30,13 @@ const (
 
 	// A program name, for use in help, finding the XDG_CONFIG_DIR, etc.
 	ProgramName = "kustomize"
+
+	// Label key that indicates the resources are built from Kustomize
+	ManagedbyLabelKey = "app.kubernetes.io/managed-by"
+
+	// An environment variable to turn on/off adding the ManagedByLabelKey
+	EnableManagedbyLabelEnv = "KUSTOMIZE_ENABLE_MANAGEDBY_LABEL"
+
+	// Label key that indicates the resources are validated by a validator
+	ValidatedByLabelKey = "validated-by"
 )

api/krusty/baseandoverlaymedium_test.go

@@ -225,13 +225,13 @@ spec:
     spec:
       containers:
       - env:
+        - name: foo
+          value: bar
         - name: FOO
           valueFrom:
             configMapKeyRef:
               key: somekey
               name: test-infra-app-env-ffmd9b969m
-        - name: foo
-          value: bar
         image: nginx:1.8.0
         name: nginx
         ports:
@@ -292,8 +292,7 @@ metadata:
 ---
 apiVersion: v1
 data:
-  nonsense: "Lorem ipsum dolor sit amet, consectetur\nadipiscing elit, sed do eiusmod
-    tempor\nincididunt ut labore et dolore magna aliqua. \n"
+  nonsense: "Lorem ipsum dolor sit amet, consectetur\nadipiscing elit, sed do eiusmod tempor\nincididunt ut labore et dolore magna aliqua. \n"
 kind: ConfigMap
 metadata:
   annotations:

api/krusty/baseandoverlaysmall_test.go

@@ -132,6 +132,54 @@ spec:
 `)
 }
 
+func TestTinyOverlay(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK("base", `
+namePrefix: a-
+resources:
+- deployment.yaml
+`)
+	th.WriteF("base/deployment.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeployment
+spec:
+  template:
+    spec:
+      containers:
+      - image: whatever
+`)
+	th.WriteK("overlay", `
+namePrefix: b-
+resources:
+- ../base
+patchesStrategicMerge:
+- depPatch.yaml
+`)
+	th.WriteF("overlay/depPatch.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: myDeployment
+spec:
+  replicas: 999
+`)
+	m := th.Run("overlay", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: b-a-myDeployment
+spec:
+  replicas: 999
+  template:
+    spec:
+      containers:
+      - image: whatever
+`)
+}
+
 func writeSmallBase(th kusttest_test.Harness) {
 	th.WriteK("/app/base", `
 namePrefix: a-

api/krusty/component_test.go

@@ -0,0 +1,670 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package krusty_test
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"sigs.k8s.io/kustomize/api/konfig"
+	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
+)
+
+type FileGen func(kusttest_test.Harness)
+
+func writeC(path string, content string) FileGen {
+	return func(th kusttest_test.Harness) {
+		th.WriteC(path, content)
+	}
+}
+
+func writeF(path string, content string) FileGen {
+	return func(th kusttest_test.Harness) {
+		th.WriteF(path, content)
+	}
+}
+
+func writeK(path string, content string) FileGen {
+	return func(th kusttest_test.Harness) {
+		th.WriteK(path, content)
+	}
+}
+
+func writeTestBase(th kusttest_test.Harness) {
+	th.WriteK("/app/base", `
+resources:
+- deploy.yaml
+configMapGenerator:
+- name: my-configmap
+  literals:	
+    - testValue=1
+    - otherValue=10
+`)
+	th.WriteF("/app/base/deploy.yaml", `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: storefront
+spec:
+  replicas: 1
+`)
+}
+
+func writeTestComponent(th kusttest_test.Harness) {
+	th.WriteC("/app/comp", `
+namePrefix: comp-
+replicas:
+- name: storefront
+  count: 3
+resources:
+  - stub.yaml
+configMapGenerator:
+- name: my-configmap
+  behavior: merge
+  literals:	
+    - testValue=2
+    - compValue=5
+`)
+	th.WriteF("/app/comp/stub.yaml", `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: stub
+spec:
+  replicas: 1
+`)
+}
+
+func writeOverlayProd(th kusttest_test.Harness) {
+	th.WriteK("/app/prod", `
+resources:
+- ../base
+- db
+
+components:
+- ../comp
+`)
+	writeDB(th)
+}
+
+func writeDB(th kusttest_test.Harness) {
+	deployment("db", "/app/prod/db")(th)
+}
+
+func deployment(name string, path string) FileGen {
+	return writeF(path, fmt.Sprintf(`
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: %s
+spec:
+  type: Logical
+`, name))
+}
+
+func TestComponent(t *testing.T) {
+	testCases := map[string]struct {
+		input          []FileGen
+		runPath        string
+		expectedOutput string
+	}{
+		// Components are inserted into the resource hierarchy as the parent of those
+		// resources that come before it in the resources list of the parent Kustomization.
+		"basic-component": {
+			input:   []FileGen{writeTestBase, writeTestComponent, writeOverlayProd},
+			runPath: "/app/prod",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-storefront
+spec:
+  replicas: 3
+---
+apiVersion: v1
+data:
+  compValue: "5"
+  otherValue: "10"
+  testValue: "2"
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: comp-my-configmap-ct5bgtbccd
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-db
+spec:
+  type: Logical
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-stub
+spec:
+  replicas: 1
+`,
+		},
+		"multiple-components": {
+			input: []FileGen{writeTestBase, writeTestComponent, writeDB,
+				writeC("/app/additionalcomp", `
+configMapGenerator:
+- name: my-configmap
+  behavior: merge
+  literals:	
+    - otherValue=9
+`),
+				writeK("/app/prod", `
+resources:
+- ../base
+- db
+
+components:
+- ../comp
+- ../additionalcomp
+`),
+			},
+			runPath: "/app/prod",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-storefront
+spec:
+  replicas: 3
+---
+apiVersion: v1
+data:
+  compValue: "5"
+  otherValue: "9"
+  testValue: "2"
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: comp-my-configmap-dgf97tmg6h
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-db
+spec:
+  type: Logical
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-stub
+spec:
+  replicas: 1
+`,
+		},
+		"nested-components": {
+			input: []FileGen{writeTestBase, writeTestComponent, writeDB,
+				writeC("/app/additionalcomp", `
+components:
+- ../comp
+configMapGenerator:
+- name: my-configmap
+  behavior: merge
+  literals:	
+    - otherValue=9
+`),
+				writeK("/app/prod", `
+resources:
+- ../base
+- db
+
+components:
+- ../additionalcomp
+`),
+			},
+			runPath: "/app/prod",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-storefront
+spec:
+  replicas: 3
+---
+apiVersion: v1
+data:
+  compValue: "5"
+  otherValue: "9"
+  testValue: "2"
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: comp-my-configmap-dgf97tmg6h
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-db
+spec:
+  type: Logical
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-stub
+spec:
+  replicas: 1
+`,
+		},
+		// If a component sets a name prefix on a base, then that base can also be separately included
+		// 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", `
+resources:
+- ../base
+- ../prod
+`),
+			},
+			runPath: "/app/repeated",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: storefront
+spec:
+  replicas: 1
+---
+apiVersion: v1
+data:
+  otherValue: "10"
+  testValue: "1"
+kind: ConfigMap
+metadata:
+  name: my-configmap-7k9t4h74f8
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-storefront
+spec:
+  replicas: 3
+---
+apiVersion: v1
+data:
+  compValue: "5"
+  otherValue: "10"
+  testValue: "2"
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: comp-my-configmap-ct5bgtbccd
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-db
+spec:
+  type: Logical
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: comp-stub
+spec:
+  replicas: 1
+`,
+		},
+		"applying-component-directly-should-be-same-as-kustomization": {
+			input: []FileGen{writeTestBase, writeTestComponent,
+				writeC("/app/direct-component", `
+resources:
+- ../base
+configMapGenerator:
+- name: my-configmap
+  behavior: merge
+  literals:	
+    - compValue=5
+    - testValue=2
+`),
+			},
+			runPath: "/app/direct-component",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: storefront
+spec:
+  replicas: 1
+---
+apiVersion: v1
+data:
+  compValue: "5"
+  otherValue: "10"
+  testValue: "2"
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: my-configmap-96dt22k28h
+`,
+		},
+		"missing-optional-component-api-version": {
+			input: []FileGen{writeTestBase, writeOverlayProd,
+				writeF("/app/comp/"+konfig.DefaultKustomizationFileName(), `
+kind: Component
+configMapGenerator:
+- name: my-configmap
+  behavior: merge
+  literals:	
+    - otherValue=9
+`),
+			},
+			runPath: "/app/prod",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: storefront
+spec:
+  replicas: 1
+---
+apiVersion: v1
+data:
+  otherValue: "9"
+  testValue: "1"
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: my-configmap-72cfg2mg5d
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: db
+spec:
+  type: Logical
+`,
+		},
+		// See how nameSuffix "-b" is also added to the resources included by "comp-a" because they are in the
+		// 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", `
+resources:
+- ../base
+
+nameSuffix: "-a"
+`),
+				writeC("/app/comp-b", `
+resources:
+- ../base
+
+nameSuffix: "-b"
+`),
+				writeK("/app/prod", `
+components:
+- ../comp-a
+- ../comp-b`),
+			},
+			runPath: "/app/prod",
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: storefront-a-b
+spec:
+  replicas: 1
+---
+apiVersion: v1
+data:
+  otherValue: "10"
+  testValue: "1"
+kind: ConfigMap
+metadata:
+  name: my-configmap-a-b-tfb7c5t69m
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: storefront-b
+spec:
+  replicas: 1
+---
+apiVersion: v1
+data:
+  otherValue: "10"
+  testValue: "1"
+kind: ConfigMap
+metadata:
+  name: my-configmap-b-8h7b8862bb
+`,
+		},
+
+		"multiple-bases-can-add-the-same-component-if-it-doesn-not-define-named-entities": {
+			input: []FileGen{
+				writeC("/app/comp", `
+namespace: prod
+`),
+				writeK("/app/base-a", `
+resources:
+- proxy.yaml
+
+components:
+- ../comp
+`),
+				deployment("proxy-a", "/app/base-a/proxy.yaml"),
+				writeK("/app/base-b", `
+resources:
+- proxy.yaml
+
+components:
+- ../comp
+`),
+				deployment("proxy-b", "/app/base-b/proxy.yaml"),
+				writeK("/app/prod", `
+resources:
+- proxy.yaml
+- ../base-a
+- ../base-b
+`),
+				deployment("proxy-prod", "/app/prod/proxy.yaml"),
+			},
+			runPath: "/app/prod",
+			// Note that the namepsace has not been applied to proxy-prod because it was not in scope when the
+			// component was applied
+			expectedOutput: `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: proxy-prod
+spec:
+  type: Logical
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: proxy-a
+  namespace: prod
+spec:
+  type: Logical
+---
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: proxy-b
+  namespace: prod
+spec:
+  type: Logical
+`,
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			th := kusttest_test.MakeHarness(t)
+			for _, f := range tc.input {
+				f(th)
+			}
+			m := th.Run(tc.runPath, th.MakeDefaultOptions())
+			th.AssertActualEqualsExpected(m, tc.expectedOutput)
+		})
+	}
+}
+
+func TestComponentErrors(t *testing.T) {
+	testCases := map[string]struct {
+		input         []FileGen
+		runPath       string
+		expectedError string
+	}{
+		"components-cannot-be-added-to-resources": {
+			input: []FileGen{writeTestBase, writeTestComponent,
+				writeK("/app/compinres", `
+resources:
+- ../base
+- ../comp
+`),
+			},
+			runPath:       "app/compinres",
+			expectedError: "expected kind != 'Component' for path '/app/comp'",
+		},
+		"kustomizations-cannot-be-added-to-components": {
+			input: []FileGen{writeTestBase, writeTestComponent,
+				writeK("/app/kustincomponents", `
+components:
+- ../base
+- ../comp
+`),
+			},
+			runPath: "/app/kustincomponents",
+			expectedError: "accumulating components: accumulateDirectory: \"expected kind 'Component' for path " +
+				"'/app/base' but got 'Kustomization'",
+		},
+		"files-cannot-be-added-to-components-list": {
+			input: []FileGen{writeTestBase,
+				writeF("/app/filesincomponents/stub.yaml", `
+apiVersion: v1
+kind: Deployment
+metadata:
+  name: stub
+spec:
+  replicas: 1
+`),
+				writeK("/app/filesincomponents", `
+components:
+- stub.yaml
+- ../comp
+`),
+			},
+			runPath:       "/app/filesincomponents",
+			expectedError: "'/app/filesincomponents/stub.yaml' must be a directory to be a root",
+		},
+		"invalid-component-api-version": {
+			input: []FileGen{writeTestBase, writeOverlayProd,
+				writeF("/app/comp/"+konfig.DefaultKustomizationFileName(), `
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Component
+configMapGenerator:
+- name: my-configmap
+  behavior: merge
+  literals:	
+    - otherValue=9
+`),
+			},
+			runPath:       "/app/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", `
+resources:
+- proxy.yaml
+`),
+				deployment("proxy", "/app/comp-a/proxy.yaml"),
+				writeC("/app/comp-b", `
+resources:
+- proxy.yaml
+`),
+				deployment("proxy", "/app/comp-b/proxy.yaml"),
+				writeK("/app/prod", `
+resources:
+- ../base
+
+components:
+- ../comp-a
+- ../comp-b`),
+			},
+			runPath:       "/app/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", `
+resources:
+- ../base
+`),
+				writeC("/app/comp-b", `
+resources:
+- ../base
+`),
+				writeK("/app/prod", `
+components:
+- ../comp-a
+- ../comp-b`),
+			},
+			runPath:       "/app/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", `
+resources:
+- ../base-a
+`),
+				writeK("/app/base-a", `
+resources:
+- proxy.yaml
+`),
+				deployment("proxy", "/app/base-a/proxy.yaml"),
+				writeC("/app/comp-b", `
+resources:
+- ../base-b
+`),
+				writeK("/app/base-b", `
+resources:
+- proxy.yaml
+`),
+				deployment("proxy", "/app/base-b/proxy.yaml"),
+				writeK("/app/prod", `
+resources:
+- ../base
+
+components:
+- ../comp-a
+- ../comp-b`),
+			},
+			runPath:       "/app/prod",
+			expectedError: "may not add resource with an already registered id: ~G_v1_Deployment|~X|proxy",
+		},
+	}
+
+	for tn, tc := range testCases {
+		t.Run(tn, func(t *testing.T) {
+			th := kusttest_test.MakeHarness(t)
+			for _, f := range tc.input {
+				f(th)
+			}
+			err := th.RunWithErr(tc.runPath, th.MakeDefaultOptions())
+			if err == nil || !strings.Contains(err.Error(), tc.expectedError) {
+				t.Fatalf("unexpected error: %s", err)
+			}
+		})
+	}
+}

api/krusty/configmaps_test.go

@@ -85,8 +85,7 @@ metadata:
 ---
 apiVersion: v1
 data:
-  druid_segmentCache_locations: '[{"path":  "var/druid/segment-cache",  "maxSize":
-    32000000000,  "freeSpacePercent": 1.0}]'
+  druid_segmentCache_locations: '[{"path":  "var/druid/segment-cache",  "maxSize": 32000000000,  "freeSpacePercent": 1.0}]'
   v2: '[{"path": "var/druid/segment-cache"}]'
 kind: ConfigMap
 metadata:

api/krusty/customconfig_test.go

@@ -59,6 +59,7 @@ spec:
   location: SW
 `)
 	th.WriteF("/app/base/animalPark.yaml", `
+apiVersion: foo
 kind: AnimalPark
 metadata:
   name: sandiego
@@ -93,6 +94,7 @@ varReference:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
+apiVersion: foo
 kind: AnimalPark
 metadata:
   labels:
@@ -161,6 +163,7 @@ varReference:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
+apiVersion: foo
 kind: AnimalPark
 metadata:
   labels:
@@ -212,14 +215,17 @@ func TestFixedBug605_BaseCustomizationAvailableInOverlay(t *testing.T) {
 nameReference:
 - kind: Gorilla
   fieldSpecs:
-  - kind: AnimalPark
+  - apiVersion: foo
+    kind: AnimalPark
     path: spec/gorillaRef/name
 - kind: Giraffe
   fieldSpecs:
-  - kind: AnimalPark
+  - apiVersion: foo
+    kind: AnimalPark
     path: spec/giraffeRef/name
 varReference:
 - path: spec/food
+  apiVersion: foo
   kind: AnimalPark
 `)
 	th.WriteK("/app/overlay", `
@@ -242,6 +248,7 @@ spec:
 `)
 	// The following replaces the gorillaRef in the AnimalPark.
 	th.WriteF("/app/overlay/animalPark.yaml", `
+apiVersion: foo
 kind: AnimalPark
 metadata:
   name: sandiego
@@ -251,6 +258,7 @@ spec:
 `)
 	m := th.Run("/app/overlay", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
+apiVersion: foo
 kind: AnimalPark
 metadata:
   labels:

api/krusty/extendedpatch_test.go

@@ -11,7 +11,7 @@ import (
 
 func makeCommonFileForExtendedPatchTest(th kusttest_test.Harness) {
 	th.WriteF("/app/base/deployment.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -36,7 +36,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -101,7 +101,7 @@ patches:
     name: busybox
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -110,7 +110,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -135,7 +135,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -156,8 +156,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -203,7 +202,7 @@ patches:
     kind: Deployment
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -212,7 +211,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -233,13 +232,12 @@ spec:
         - mountPath: /tmp/ps
           name: nginx-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: nginx-persistent-storage
+      - name: nginx-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -260,8 +258,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -305,7 +302,7 @@ patches:
     labelSelector: app=nginx
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -314,7 +311,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -335,13 +332,12 @@ spec:
         - mountPath: /tmp/ps
           name: nginx-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: nginx-persistent-storage
+      - name: nginx-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -408,7 +404,7 @@ patches:
     kind: Deployment
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -417,7 +413,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -442,7 +438,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -463,8 +459,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -509,7 +504,7 @@ patches:
     labelSelector: app=busybox
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -518,7 +513,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -543,7 +538,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -564,8 +559,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -612,7 +606,7 @@ patches:
     labelSelector: app=busybox
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -621,7 +615,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -646,7 +640,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -667,8 +661,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -714,7 +707,7 @@ patches:
     labelSelector: app=busybox
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -723,7 +716,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -748,7 +741,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -769,8 +762,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -814,7 +806,7 @@ patches:
     name: no-match
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -823,7 +815,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -848,7 +840,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -910,7 +902,7 @@ patches:
 - path: patch.yaml
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -919,7 +911,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -944,7 +936,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -965,8 +957,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -1014,7 +1005,7 @@ patches:
     kind: Job
 `)
 	th.WriteF("/app/base/patch.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -1023,7 +1014,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -1048,7 +1039,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -1116,7 +1107,7 @@ patches:
     kind: Deployment
 `)
 	th.WriteF("/app/base/patch1.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -1124,7 +1115,7 @@ metadata:
     new-key-from-patch1: new-value
 `)
 	th.WriteF("/app/base/patch2.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: busybox
@@ -1133,7 +1124,7 @@ metadata:
 `)
 	m := th.Run("/app/base", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -1158,7 +1149,7 @@ spec:
           name: configmap-in-base
         name: configmap-in-base
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -1180,8 +1171,7 @@ spec:
         - mountPath: /tmp/ps
           name: busybox-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: busybox-persistent-storage
+      - name: busybox-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base

api/krusty/fnplugin_test.go

@@ -0,0 +1,466 @@
+package krusty_test
+
+import (
+	"os/exec"
+	"testing"
+
+	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
+)
+
+func TestFnExecGenerator(t *testing.T) {
+	th := kusttest_test.MakeEnhancedHarness(t)
+	defer th.Reset()
+
+	th.WriteK("/app", `
+resources:
+- short_secret.yaml
+generators:
+- gener.yaml
+`)
+
+	// Create some additional resource just to make sure everything is added
+	th.WriteF("/app/short_secret.yaml", `
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    airshipit.org/ephemeral-user-data: "true"
+  name: node1-bmc-secret
+type: Opaque
+stringData:
+  userData: |
+    bootcmd:
+    - mkdir /mnt/vda
+`)
+
+	th.WriteF("/app/gener.yaml", `
+kind: executable
+metadata:
+  name: demo
+  annotations:
+    config.kubernetes.io/function: |
+      exec:
+        path: ./fnplugin_test/fnexectest.sh
+spec:
+`)
+	o := th.MakeOptionsPluginsEnabled()
+	o.PluginConfig.FnpLoadingOptions.EnableExec = true
+	m := th.Run("/app", o)
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    airshipit.org/ephemeral-user-data: "true"
+  name: node1-bmc-secret
+stringData:
+  userData: |
+    bootcmd:
+    - mkdir /mnt/vda
+type: Opaque
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  annotations:
+    config.kubernetes.io/path: deployment_nginx.yaml
+    tshirt-size: small
+  labels:
+    app: nginx
+  name: nginx
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+`)
+}
+
+func skipIfNoDocker(t *testing.T) {
+	if _, err := exec.LookPath("docker"); err != nil {
+		t.Skip("skipping because docker binary wasn't found in PATH")
+	}
+}
+
+func TestFnContainerGenerator(t *testing.T) {
+	skipIfNoDocker(t)
+
+	th := kusttest_test.MakeEnhancedHarness(t)
+	defer th.Reset()
+
+	th.WriteK("/app", `
+resources:
+- short_secret.yaml
+generators:
+- gener.yaml
+`)
+	// Create generator config
+	th.WriteF("/app/gener.yaml", `
+apiVersion: examples.config.kubernetes.io/v1beta1
+kind: CockroachDB
+metadata:
+  name: demo
+  annotations:
+    config.kubernetes.io/function: |
+      container:
+        image: gcr.io/kustomize-functions/example-cockroachdb:v0.1.0
+spec:
+  replicas: 3
+`)
+	// Create some additional resource just to make sure everything is added
+	th.WriteF("/app/short_secret.yaml", `
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    airshipit.org/ephemeral-user-data: "true"
+  name: node1-bmc-secret
+type: Opaque
+stringData:
+  userData: |
+    bootcmd:
+    - mkdir /mnt/vda
+`)
+	m := th.Run("/app", th.MakeOptionsPluginsEnabled())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    airshipit.org/ephemeral-user-data: "true"
+  name: node1-bmc-secret
+stringData:
+  userData: |
+    bootcmd:
+    - mkdir /mnt/vda
+type: Opaque
+---
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  annotations:
+    config.kubernetes.io/path: config/demo-budget_poddisruptionbudget.yaml
+  labels:
+    app: cockroachdb
+    name: demo
+  name: demo-budget
+spec:
+  minAvailable: 67%
+  selector:
+    matchLabels:
+      app: cockroachdb
+      name: demo
+---
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    config.kubernetes.io/path: config/demo-public_service.yaml
+  labels:
+    app: cockroachdb
+    name: demo
+  name: demo-public
+spec:
+  ports:
+  - name: grpc
+    port: 26257
+    targetPort: 26257
+  - name: http
+    port: 8080
+    targetPort: 8080
+  selector:
+    app: cockroachdb
+    name: demo
+---
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    config.kubernetes.io/path: config/demo_service.yaml
+    prometheus.io/path: _status/vars
+    prometheus.io/port: "8080"
+    prometheus.io/scrape: "true"
+    service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
+  labels:
+    app: cockroachdb
+    name: demo
+  name: demo
+spec:
+  clusterIP: None
+  ports:
+  - name: grpc
+    port: 26257
+    targetPort: 26257
+  - name: http
+    port: 8080
+    targetPort: 8080
+  selector:
+    app: cockroachdb
+    name: demo
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  annotations:
+    config.kubernetes.io/path: config/demo_statefulset.yaml
+  labels:
+    app: cockroachdb
+    name: demo
+  name: demo
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: cockroachdb
+      name: demo
+  serviceName: demo
+  template:
+    metadata:
+      labels:
+        app: cockroachdb
+        name: demo
+    spec:
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: app
+                  operator: In
+                  values:
+                  - cockroachdb
+              topologyKey: kubernetes.io/hostname
+            weight: 100
+      containers:
+      - command:
+        - /bin/bash
+        - -ecx
+        - |
+          # The use of qualified `+"`hostname -f`"+` is crucial:
+          # Other nodes aren't able to look up the unqualified hostname.
+          CRARGS=("start" "--logtostderr" "--insecure" "--host" "$(hostname -f)" "--http-host" "0.0.0.0")
+          # We only want to initialize a new cluster (by omitting the join flag)
+          # if we're sure that we're the first node (i.e. index 0) and that
+          # there aren't any other nodes running as part of the cluster that
+          # this is supposed to be a part of (which indicates that a cluster
+          # already exists and we should make sure not to create a new one).
+          # It's fine to run without --join on a restart if there aren't any
+          # other nodes.
+          if [ ! "$(hostname)" == "cockroachdb-0" ] ||              [ -e "/cockroach/cockroach-data/cluster_exists_marker" ]
+          then
+            # We don't join cockroachdb in order to avoid a node attempting
+            # to join itself, which currently doesn't work
+            # (https://github.com/cockroachdb/cockroach/issues/9625).
+            CRARGS+=("--join" "cockroachdb-public")
+          fi
+          exec /cockroach/cockroach ${CRARGS[*]}
+        image: cockroachdb/cockroach:v1.1.0
+        imagePullPolicy: IfNotPresent
+        name: demo
+        ports:
+        - containerPort: 26257
+          name: grpc
+        - containerPort: 8080
+          name: http
+        volumeMounts:
+        - mountPath: /cockroach/cockroach-data
+          name: datadir
+      initContainers:
+      - args:
+        - -on-start=/on-start.sh
+        - -service=cockroachdb
+        env:
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        image: cockroachdb/cockroach-k8s-init:0.1
+        imagePullPolicy: IfNotPresent
+        name: bootstrap
+        volumeMounts:
+        - mountPath: /cockroach/cockroach-data
+          name: datadir
+      terminationGracePeriodSeconds: 60
+      volumes:
+      - name: datadir
+        persistentVolumeClaim:
+          claimName: datadir
+  volumeClaimTemplates:
+  - metadata:
+      name: datadir
+    spec:
+      accessModes:
+      - ReadWriteOnce
+      resources:
+        requests:
+          storage: 1Gi
+`)
+}
+
+func TestFnContainerTransformer(t *testing.T) {
+	skipIfNoDocker(t)
+
+	th := kusttest_test.MakeEnhancedHarness(t)
+	defer th.Reset()
+
+	th.WriteK("/app", `
+resources:
+- data.yaml
+transformers:
+- transf1.yaml
+- transf2.yaml
+`)
+
+	th.WriteF("/app/data.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx
+  labels:
+    app: nginx
+  annotations:
+    tshirt-size: small # this injects the resource reservations
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+`)
+	// This transformer should add resource reservations based on annotation in data.yaml
+	// See https://github.com/kubernetes-sigs/kustomize/tree/master/functions/examples/injection-tshirt-sizes
+	th.WriteF("/app/transf1.yaml", `
+apiVersion: examples.config.kubernetes.io/v1beta1
+kind: Validator
+metadata:
+  name: valid
+  annotations:
+    config.kubernetes.io/function: |-
+      container:
+        image: gcr.io/kustomize-functions/example-tshirt:v0.2.0
+`)
+	// This transformer will check resources without and won't do any changes
+	// See https://github.com/kubernetes-sigs/kustomize/tree/master/functions/examples/validator-kubeval
+	th.WriteF("/app/transf2.yaml", `
+apiVersion: examples.config.kubernetes.io/v1beta1
+kind: Kubeval
+metadata:
+  name: validate
+  annotations:
+    config.kubernetes.io/function: |
+      container:
+        image: gcr.io/kustomize-functions/example-validator-kubeval:v0.1.0
+spec:
+  strict: true
+  ignoreMissingSchemas: true
+
+  # TODO: Update this to use network/volumes features.
+  # Relevant issues:
+  #   - https://github.com/kubernetes-sigs/kustomize/issues/1901
+  #   - https://github.com/kubernetes-sigs/kustomize/issues/1902
+  kubernetesVersion: "1.16.0"
+  schemaLocation: "file:///schemas"
+`)
+	m := th.Run("/app", th.MakeOptionsPluginsEnabled())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  annotations:
+    config.kubernetes.io/path: deployment_nginx.yaml
+    tshirt-size: small
+  labels:
+    app: nginx
+  name: nginx
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+        resources:
+          requests:
+            cpu: 200m
+            memory: 50M
+`)
+}
+
+func TestFnContainerTransformerWithConfig(t *testing.T) {
+	skipIfNoDocker(t)
+
+	th := kusttest_test.MakeEnhancedHarness(t)
+	defer th.Reset()
+
+	th.WriteK("/app", `
+resources:
+- data1.yaml
+- data2.yaml
+transformers:
+- label_namespace.yaml
+`)
+
+	th.WriteF("/app/data1.yaml", `apiVersion: v1
+kind: Namespace
+metadata:
+  name: my-namespace
+`)
+	th.WriteF("/app/data2.yaml", `apiVersion: v1
+kind: Namespace
+metadata:
+  name: another-namespace
+`)
+
+	th.WriteF("/app/label_namespace.yaml", `apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: label_namespace
+  annotations:
+    config.kubernetes.io/function: |-
+      container:
+        image: gcr.io/kpt-functions/label-namespace@sha256:4f030738d6d25a207641ca517916431517578bd0eb8d98a8bde04e3bb9315dcd
+data:
+  label_name: my-ns-name
+  label_value: function-test
+`)
+
+	m := th.Run("/app", th.MakeOptionsPluginsEnabled())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+kind: Namespace
+metadata:
+  annotations:
+    config.kubernetes.io/path: namespace_my-namespace.yaml
+  labels:
+    my-ns-name: function-test
+  name: my-namespace
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  annotations:
+    config.kubernetes.io/path: namespace_another-namespace.yaml
+  labels:
+    my-ns-name: function-test
+  name: another-namespace
+`)
+}

api/krusty/fnplugin_test/fnexectest.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+cat <<EOF
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx
+  labels:
+    app: nginx
+  annotations:
+    tshirt-size: small # this injects the resource reservations
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+EOF

api/krusty/generatormergeandreplace_test.go

@@ -56,7 +56,7 @@ spec:
               app: nginx
 `)
 	th.WriteF("/app/base/deployment.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -92,7 +92,7 @@ spec:
     org: example.com
     team: foo
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -150,8 +150,6 @@ spec:
 
 func makeBaseWithGenerators(th kusttest_test.Harness) {
 	th.WriteK("/app", `
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
 namePrefix: team-foo-
 commonLabels:
   app: mynginx
@@ -173,7 +171,7 @@ secretGenerator:
   - password=somepw
 `)
 	th.WriteF("/app/deployment.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -218,7 +216,7 @@ func TestBaseWithGeneratorsAlone(t *testing.T) {
 	makeBaseWithGenerators(th)
 	m := th.Run("/app", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -308,7 +306,7 @@ func TestMergeAndReplaceGenerators(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	makeBaseWithGenerators(th)
 	th.WriteF("/overlay/deployment.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -325,8 +323,6 @@ spec:
         name: configmap-in-overlay
 `)
 	th.WriteK("/overlay", `
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
 namePrefix: staging-
 commonLabels:
   env: staging
@@ -351,7 +347,7 @@ secretGenerator:
 `)
 	m := th.Run("/overlay", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -389,12 +385,12 @@ spec:
       - gcePersistentDisk:
           pdName: nginx-persistent-storage
         name: nginx-persistent-storage
-      - configMap:
-          name: staging-configmap-in-overlay-k7cbc75tg8
-        name: configmap-in-overlay
       - configMap:
           name: staging-team-foo-configmap-in-base-gh9d7t85gb
         name: configmap-in-base
+      - configMap:
+          name: staging-configmap-in-overlay-k7cbc75tg8
+        name: configmap-in-overlay
 ---
 apiVersion: v1
 kind: Service

api/krusty/inlinepatch_test.go

@@ -79,8 +79,7 @@ spec:
         - mountPath: /tmp/ps
           name: nginx-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: nginx-persistent-storage
+      - name: nginx-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base
@@ -223,8 +222,7 @@ spec:
         - mountPath: /tmp/ps
           name: nginx-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: nginx-persistent-storage
+      - name: nginx-persistent-storage
       - configMap:
           name: configmap-in-base
         name: configmap-in-base

api/krusty/keepemptyarray_test.go

@@ -0,0 +1,48 @@
+package krusty_test
+
+import (
+	"testing"
+
+	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
+)
+
+func TestKeepEmptyArray(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteF("/app/resources.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: testing123
+spec:
+  replicas: 1
+  selector: null
+  template:
+    spec:
+      containers:
+      - name: event
+        image: testing123
+        imagePullPolicy: IfNotPresent
+      imagePullSecrets: []`)
+
+	th.WriteK("/app", `
+resources:
+- resources.yaml`)
+
+	m := th.Run("/app", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: testing123
+spec:
+  replicas: 1
+  selector: null
+  template:
+    spec:
+      containers:
+      - image: testing123
+        imagePullPolicy: IfNotPresent
+        name: event
+      imagePullSecrets: []
+`)
+}

api/krusty/kustomizer.go

@@ -4,6 +4,8 @@
 package krusty
 
 import (
+	"fmt"
+
 	"sigs.k8s.io/kustomize/api/builtins"
 	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/internal/k8sdeps/transformer"
@@ -11,7 +13,9 @@ import (
 	"sigs.k8s.io/kustomize/api/internal/target"
 	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
 	"sigs.k8s.io/kustomize/api/k8sdeps/validator"
+	"sigs.k8s.io/kustomize/api/konfig"
 	fLdr "sigs.k8s.io/kustomize/api/loader"
+	"sigs.k8s.io/kustomize/api/provenance"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	"sigs.k8s.io/kustomize/api/types"
@@ -78,5 +82,15 @@ func (b *Kustomizer) Run(path string) (resmap.ResMap, error) {
 	if b.options.DoLegacyResourceSort {
 		builtins.NewLegacyOrderTransformerPlugin().Transform(m)
 	}
+	if b.options.AddManagedbyLabel {
+		t := builtins.LabelTransformerPlugin{
+			Labels: map[string]string{konfig.ManagedbyLabelKey: fmt.Sprintf("kustomize-%s", provenance.GetProvenance().Version)},
+			FieldSpecs: []types.FieldSpec{{
+				Path:               "metadata/labels",
+				CreateIfNotPresent: true,
+			}},
+		}
+		t.Transform(m)
+	}
 	return m, nil
 }

api/krusty/managedbylabel_test.go

@@ -0,0 +1,43 @@
+// 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 TestAddManagedbyLabel(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteF("/app/service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  name: myService
+spec:
+  ports:
+  - port: 7002
+`)
+	th.WriteK("/app", `
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- service.yaml
+`)
+	options := th.MakeDefaultOptions()
+	options.AddManagedbyLabel = true
+	m := th.Run("/app", options)
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/managed-by: kustomize-v444.333.222
+  name: myService
+spec:
+  ports:
+  - port: 7002
+`)
+}

api/krusty/multiplepatch_test.go

@@ -10,10 +10,186 @@ import (
 	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
 )
 
+func TestSimpleMultiplePatches(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteK("base", `
+namePrefix: b-
+commonLabels:
+  team: foo
+resources:
+- deployment.yaml
+- service.yaml
+configMapGenerator:
+- name: configmap-in-base
+  literals:
+  - foo=bar
+`)
+	th.WriteF("base/deployment.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        volumeMounts:
+        - name: nginx-persistent-storage
+          mountPath: /tmp/ps
+      - name: sidecar
+        image: sidecar:latest
+      volumes:
+      - name: nginx-persistent-storage
+        emptyDir: {}
+      - configMap:
+          name: configmap-in-base
+        name: configmap-in-base
+`)
+	th.WriteF("base/service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+spec:
+  ports:
+  - port: 80
+`)
+	th.WriteK("overlay", `
+namePrefix: a-
+commonLabels:
+  env: staging
+patchesStrategicMerge:
+- deployment-patch1.yaml
+- deployment-patch2.yaml
+resources:
+- ../base
+configMapGenerator:
+- name: configmap-in-overlay
+  literals:
+  - hello=world
+`)
+	th.WriteF("overlay/deployment-patch1.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:latest
+        env:
+        - name: ENVKEY
+          value: ENVVALUE
+      volumes:
+      - name: nginx-persistent-storage
+        emptyDir: null
+        gcePersistentDisk:
+          pdName: nginx-persistent-storage
+      - configMap:
+          name: configmap-in-overlay
+        name: configmap-in-overlay
+`)
+	th.WriteF("overlay/deployment-patch2.yaml", `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        env:
+        - name: ANOTHERENV
+          value: FOO
+      volumes:
+      - name: nginx-persistent-storage
+`)
+	m := th.Run("overlay", th.MakeDefaultOptions())
+	th.AssertActualEqualsExpected(m, `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    env: staging
+    team: foo
+  name: a-b-nginx
+spec:
+  selector:
+    matchLabels:
+      env: staging
+      team: foo
+  template:
+    metadata:
+      labels:
+        env: staging
+        team: foo
+    spec:
+      containers:
+      - env:
+        - name: ANOTHERENV
+          value: FOO
+        - name: ENVKEY
+          value: ENVVALUE
+        image: nginx:latest
+        name: nginx
+        volumeMounts:
+        - mountPath: /tmp/ps
+          name: nginx-persistent-storage
+      - image: sidecar:latest
+        name: sidecar
+      volumes:
+      - gcePersistentDisk:
+          pdName: nginx-persistent-storage
+        name: nginx-persistent-storage
+      - configMap:
+          name: a-b-configmap-in-base-fm96mhk4dt
+        name: configmap-in-base
+      - configMap:
+          name: a-configmap-in-overlay-ffm9hf78mc
+        name: configmap-in-overlay
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    env: staging
+    team: foo
+  name: a-b-nginx
+spec:
+  ports:
+  - port: 80
+  selector:
+    env: staging
+    team: foo
+---
+apiVersion: v1
+data:
+  foo: bar
+kind: ConfigMap
+metadata:
+  labels:
+    env: staging
+    team: foo
+  name: a-b-configmap-in-base-fm96mhk4dt
+---
+apiVersion: v1
+data:
+  hello: world
+kind: ConfigMap
+metadata:
+  labels:
+    env: staging
+  name: a-configmap-in-overlay-ffm9hf78mc
+`)
+}
+
 func makeCommonFileForMultiplePatchTest(th kusttest_test.Harness) {
 	th.WriteK("/app/base", `
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
 namePrefix: team-foo-
 commonLabels:
   app: mynginx
@@ -30,7 +206,7 @@ configMapGenerator:
   - foo=bar
 `)
 	th.WriteF("/app/base/deployment.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -71,8 +247,6 @@ spec:
     app: nginx
 `)
 	th.WriteK("/app/overlay/staging", `
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
 namePrefix: staging-
 commonLabels:
   env: staging
@@ -92,7 +266,7 @@ func TestMultiplePatchesNoConflict(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	makeCommonFileForMultiplePatchTest(th)
 	th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -115,7 +289,7 @@ spec:
         name: configmap-in-overlay
 `)
 	th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -132,7 +306,7 @@ spec:
 `)
 	m := th.Run("/app/overlay/staging", th.MakeDefaultOptions())
 	th.AssertActualEqualsExpected(m, `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -177,12 +351,12 @@ spec:
       - gcePersistentDisk:
           pdName: nginx-persistent-storage
         name: nginx-persistent-storage
-      - configMap:
-          name: staging-configmap-in-overlay-k7cbc75tg8
-        name: configmap-in-overlay
       - configMap:
           name: staging-team-foo-configmap-in-base-g7k6gt2889
         name: configmap-in-base
+      - configMap:
+          name: staging-configmap-in-overlay-k7cbc75tg8
+        name: configmap-in-overlay
 ---
 apiVersion: v1
 kind: Service
@@ -233,7 +407,7 @@ func TestMultiplePatchesWithConflict(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	makeCommonFileForMultiplePatchTest(th)
 	th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -255,7 +429,7 @@ spec:
         name: configmap-in-overlay
 `)
 	th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -279,7 +453,7 @@ spec:
 }
 
 func TestMultiplePatchesWithOnePatchDeleteDirective(t *testing.T) {
-	additivePatch := `apiVersion: apps/v1beta2
+	additivePatch := `apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -292,7 +466,7 @@ spec:
         - name: SOME_NAME
           value: somevalue
 `
-	deletePatch := `apiVersion: apps/v1beta2
+	deletePatch := `apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -328,7 +502,7 @@ spec:
 			th.WriteF("/app/overlay/staging/deployment-patch1.yaml", c.patch1)
 			th.WriteF("/app/overlay/staging/deployment-patch2.yaml", c.patch2)
 			m := th.Run("/app/overlay/staging", th.MakeDefaultOptions())
-			th.AssertActualEqualsExpected(m, `apiVersion: apps/v1beta2
+			th.AssertActualEqualsExpected(m, `apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -366,8 +540,7 @@ spec:
         - mountPath: /tmp/ps
           name: nginx-persistent-storage
       volumes:
-      - emptyDir: {}
-        name: nginx-persistent-storage
+      - name: nginx-persistent-storage
       - configMap:
           name: staging-team-foo-configmap-in-base-g7k6gt2889
         name: configmap-in-base
@@ -423,7 +596,7 @@ func TestMultiplePatchesBothWithPatchDeleteDirective(t *testing.T) {
 	th := kusttest_test.MakeHarness(t)
 	makeCommonFileForMultiplePatchTest(th)
 	th.WriteF("/app/overlay/staging/deployment-patch1.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx
@@ -435,7 +608,7 @@ spec:
         name: sidecar
 `)
 	th.WriteF("/app/overlay/staging/deployment-patch2.yaml", `
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx

api/krusty/options.go

@@ -18,6 +18,11 @@ type Options struct {
 	// order as specified by the kustomization file(s).
 	DoLegacyResourceSort bool
 
+	// When true, a label
+	//     app.kubernetes.io/managed-by: kustomize-<version>
+	// is added to all the resources in the build out.
+	AddManagedbyLabel bool
+
 	// Restrictions on what can be loaded from the file system.
 	// See type definition.
 	LoadRestrictions types.LoadRestrictions

api/krusty/variableref_test.go

@@ -844,8 +844,7 @@ spec:
         - -namespace=${POD_NAMESPACE}
         - -certs-dir=/cockroach-certs
         - -type=node
-        - -addresses=localhost,127.0.0.1,${POD_IP},$(hostname -f),$(hostname -f|cut
-          -f 1-2 -d '.'),dev-base-cockroachdb-public
+        - -addresses=localhost,127.0.0.1,${POD_IP},$(hostname -f),$(hostname -f|cut -f 1-2 -d '.'),dev-base-cockroachdb-public
         - -symlink-ca-from=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
         env:
         - name: POD_IP

api/resmap/resmap.go

@@ -532,7 +532,7 @@ func (m *resWrangler) ErrorIfNotEqualSets(other ResMap) error {
 	for _, r1 := range m.rList {
 		id := r1.CurId()
 		others := m2.GetMatchingResourcesByCurrentId(id.Equals)
-		if len(others) < 0 {
+		if len(others) == 0 {
 			return fmt.Errorf(
 				"id in self missing from other; id: %s", id)
 		}

api/resmap/resmap_test.go

@@ -669,7 +669,12 @@ func TestErrorIfNotEqualSets(t *testing.T) {
 		t.Fatalf("%v should not equal %v %v", m1, m2, err)
 	}
 
-	m3 := resmaptest_test.NewRmBuilder(t, rf).Add(
+	m3 := resmaptest_test.NewRmBuilder(t, rf).AddR(r2).ResMap()
+	if err := m2.ErrorIfNotEqualSets(m3); err == nil {
+		t.Fatalf("%v should not equal %v %v", m2, m3, err)
+	}
+
+	m3 = resmaptest_test.NewRmBuilder(t, rf).Add(
 		map[string]interface{}{
 			"apiVersion": "v1",
 			"kind":       "ConfigMap",

api/resource/factory.go

@@ -69,10 +69,10 @@ func (rf *Factory) makeOne(
 		o = types.NewGenArgs(nil)
 	}
 	r := &Resource{
-		Kunstructured: u,
-		options:       o,
+		kunStr:  u,
+		options: o,
 	}
-	return r.setOriginalName(r.GetName()).setOriginalNs(r.GetNamespace())
+	return r.setOriginalName(r.kunStr.GetName()).setOriginalNs(r.GetNamespace())
 }
 
 // SliceFromPatches returns a slice of resources given a patch path

api/resource/resource.go

@@ -1,7 +1,7 @@
 // Copyright 2019 The Kubernetes Authors.
 // SPDX-License-Identifier: Apache-2.0
 
-// Package resource implements representations of k8s API resources as "unstructured" objects.
+// Package resource implements representations of k8s API resources.
 package resource
 
 import (
@@ -14,10 +14,57 @@ import (
 	"sigs.k8s.io/yaml"
 )
 
-// Resource is map representation of a Kubernetes API resource object
-// paired with a GenerationBehavior.
+// Resource is a representation of a Kubernetes Resource Model object paired
+// with metadata used by kustomize.
+//
+// At time of writing Resource is changing from being based on an object
+// sitting behind
+//
+//     sigs.k8s.io/kustomize/api/ifc.Unstructured
+//
+// to being based on an instance of
+//
+//    sigs.k8s.io/kustomize/kyaml/yaml.RNode
+//
+// Ultimately, use of the Resource struct in kustomize should be entirely
+// replaced by instances of RNode for direct use in kyaml, with all metadata
+// stored directly in the RNodes as short-lived annotations, to be deleted
+// before final output as part of a final filtration step.  Using annotations
+// will allow pipelined KRM Config Functions to share metadata that would
+// otherwise be hidden in kustomize-only structures.
+//
+// ifc.Unstructured is an interface hiding an instance of
+// 	  sigs.k8s.io/kustomize/api/k8sdeps/kunstruct.UnstructAdapter
+// which in turn adapts an instance of
+//    k8s.io/apimachinery/pkg/apis/meta/v1/unstructured
+// to the ifc.Unstructured interface.  This latter code handles
+// mutations in the old code.
+//
+// The rule in kustomize development has been
+//                           api/
+//                 k8sdeps/ ifc/ krusty/ theRest/
+//
+//   1) Depend on k8s.io/ only via sigs.k8s.io/kustomize/api/k8sdeps.
+//
+//   2) Instances created in k8sdeps/ can only be injected into theRest/
+//      behind interfaces defined in ifc/, arranged by a small bit of code
+//      in krusty/.  Nothing in theRest/ can import k8sdeps/.
+//
+// This was to allow for importing kustomize code into kubectl, which also
+// depends on k8s.io/apimachinery, albeit via a strange, old arrangement
+// predating Go modules.  The idea was to copy the k8sdeps/ tree into kubectl
+// via a large PR, and depend on the rest via vendoring (and a small copy of
+// krusty/ code).  Over 2019, however, kubectl underwent large code changes
+// including a switch to Go modules, and an attempt to extract it from the
+// k8s repo, and this made large kustomize integration PRs hard to get through
+// code review.
+//
+// The new plan is to eliminate k8sdeps/ entirely, along with its k8s.io/
+// dependence, switch to kyaml, and thus allow kustomize to be imported into
+// kubectl via normal Go module imports.
+//
 type Resource struct {
-	ifc.Kunstructured
+	kunStr       ifc.Kunstructured
 	originalName string
 	originalNs   string
 	options      *types.GenArgs
@@ -27,6 +74,118 @@ type Resource struct {
 	nameSuffixes []string
 }
 
+func (r *Resource) ResetPrimaryData(incoming *Resource) {
+	r.kunStr = incoming.kunStr.Copy()
+}
+
+func (r *Resource) GetAnnotations() map[string]string {
+	return r.kunStr.GetAnnotations()
+}
+
+func (r *Resource) Copy() ifc.Kunstructured {
+	return r.kunStr.Copy()
+}
+
+func (r *Resource) GetBool(p string) (bool, error) {
+	return r.kunStr.GetBool(p)
+}
+
+func (r *Resource) GetFieldValue(f string) (interface{}, error) {
+	return r.kunStr.GetFieldValue(f)
+}
+
+func (r *Resource) GetFloat64(p string) (float64, error) {
+	return r.kunStr.GetFloat64(p)
+}
+
+func (r *Resource) GetGvk() resid.Gvk {
+	return r.kunStr.GetGvk()
+}
+
+func (r *Resource) GetInt64(p string) (int64, error) {
+	return r.kunStr.GetInt64(p)
+}
+
+func (r *Resource) GetKind() string {
+	return r.kunStr.GetKind()
+}
+
+func (r *Resource) GetLabels() map[string]string {
+	return r.kunStr.GetLabels()
+}
+
+func (r *Resource) GetMap(p string) (map[string]interface{}, error) {
+	return r.kunStr.GetMap(p)
+}
+
+func (r *Resource) GetName() string {
+	return r.kunStr.GetName()
+}
+
+func (r *Resource) GetSlice(p string) ([]interface{}, error) {
+	return r.kunStr.GetSlice(p)
+}
+
+func (r *Resource) GetString(p string) (string, error) {
+	return r.kunStr.GetString(p)
+}
+
+func (r *Resource) GetStringMap(p string) (map[string]string, error) {
+	return r.kunStr.GetStringMap(p)
+}
+
+func (r *Resource) GetStringSlice(p string) ([]string, error) {
+	return r.kunStr.GetStringSlice(p)
+}
+
+func (r *Resource) Map() map[string]interface{} {
+	return r.kunStr.Map()
+}
+
+func (r *Resource) MarshalJSON() ([]byte, error) {
+	return r.kunStr.MarshalJSON()
+}
+
+func (r *Resource) MatchesLabelSelector(selector string) (bool, error) {
+	return r.kunStr.MatchesLabelSelector(selector)
+}
+
+func (r *Resource) MatchesAnnotationSelector(selector string) (bool, error) {
+	return r.kunStr.MatchesAnnotationSelector(selector)
+}
+
+func (r *Resource) Patch(other ifc.Kunstructured) error {
+	return r.kunStr.Patch(other)
+}
+
+func (r *Resource) SetAnnotations(m map[string]string) {
+	r.kunStr.SetAnnotations(m)
+}
+
+func (r *Resource) SetGvk(gvk resid.Gvk) {
+	r.kunStr.SetGvk(gvk)
+}
+
+func (r *Resource) SetLabels(m map[string]string) {
+	r.kunStr.SetLabels(m)
+}
+
+func (r *Resource) SetMap(m map[string]interface{}) {
+	r.kunStr.SetMap(m)
+}
+
+func (r *Resource) SetName(n string) {
+	r.kunStr.SetName(n)
+}
+
+func (r *Resource) SetNamespace(n string) {
+	r.kunStr.SetNamespace(n)
+}
+
+func (r *Resource) UnmarshalJSON(s []byte) error {
+	return r.kunStr.UnmarshalJSON(s)
+}
+
 // ResCtx is an interface describing the contextual added
 // kept kustomize in the context of each Resource object.
 // Currently mainly the name prefix and name suffix are added.
@@ -46,7 +205,7 @@ type ResCtxMatcher func(ResCtx) bool
 // DeepCopy returns a new copy of resource
 func (r *Resource) DeepCopy() *Resource {
 	rc := &Resource{
-		Kunstructured: r.Kunstructured.Copy(),
+		kunStr: r.kunStr.Copy(),
 	}
 	rc.copyOtherFields(r)
 	return rc
@@ -54,11 +213,11 @@ func (r *Resource) DeepCopy() *Resource {
 
 // Replace performs replace with other resource.
 func (r *Resource) Replace(other *Resource) {
-	r.SetLabels(mergeStringMaps(other.GetLabels(), r.GetLabels()))
-	r.SetAnnotations(
-		mergeStringMaps(other.GetAnnotations(), r.GetAnnotations()))
-	r.SetName(other.GetName())
-	r.SetNamespace(other.GetNamespace())
+	r.kunStr.SetLabels(mergeStringMaps(other.kunStr.GetLabels(), r.kunStr.GetLabels()))
+	r.kunStr.SetAnnotations(
+		mergeStringMaps(other.kunStr.GetAnnotations(), r.kunStr.GetAnnotations()))
+	r.kunStr.SetName(other.GetName())
+	r.kunStr.SetNamespace(other.GetNamespace())
 	r.copyOtherFields(other)
 }
 
@@ -74,7 +233,7 @@ func (r *Resource) copyOtherFields(other *Resource) {
 
 func (r *Resource) Equals(o *Resource) bool {
 	return r.ReferencesEqual(o) &&
-		reflect.DeepEqual(r.Kunstructured, o.Kunstructured)
+		reflect.DeepEqual(r.kunStr, o.kunStr)
 }
 
 func (r *Resource) ReferencesEqual(o *Resource) bool {
@@ -93,13 +252,13 @@ func (r *Resource) ReferencesEqual(o *Resource) bool {
 }
 
 func (r *Resource) KunstructEqual(o *Resource) bool {
-	return reflect.DeepEqual(r.Kunstructured, o.Kunstructured)
+	return reflect.DeepEqual(r.kunStr, o.kunStr)
 }
 
 // Merge performs merge with other resource.
 func (r *Resource) Merge(other *Resource) {
 	r.Replace(other)
-	mergeConfigmap(r.Map(), other.Map(), r.Map())
+	mergeConfigmap(r.kunStr.Map(), other.Map(), r.Map())
 }
 
 func (r *Resource) copyRefBy() []resid.ResId {
@@ -225,7 +384,7 @@ func (r *Resource) setOriginalNs(n string) *Resource {
 
 // String returns resource as JSON.
 func (r *Resource) String() string {
-	bs, err := r.MarshalJSON()
+	bs, err := r.kunStr.MarshalJSON()
 	if err != nil {
 		return "<" + err.Error() + ">"
 	}
@@ -235,7 +394,7 @@ func (r *Resource) String() string {
 // AsYAML returns the resource in Yaml form.
 // Easier to read than JSON.
 func (r *Resource) AsYAML() ([]byte, error) {
-	json, err := r.MarshalJSON()
+	json, err := r.kunStr.MarshalJSON()
 	if err != nil {
 		return nil, err
 	}
@@ -260,7 +419,7 @@ func (r *Resource) NeedHashSuffix() bool {
 
 // GetNamespace returns the namespace the resource thinks it's in.
 func (r *Resource) GetNamespace() string {
-	namespace, _ := r.GetString("metadata.namespace")
+	namespace, _ := r.kunStr.GetString("metadata.namespace")
 	// if err, namespace is empty, so no need to check.
 	return namespace
 }
@@ -270,7 +429,7 @@ func (r *Resource) GetNamespace() string {
 // TODO: compute this once and save it in the resource.
 func (r *Resource) OrgId() resid.ResId {
 	return resid.NewResIdWithNamespace(
-		r.GetGvk(), r.GetOriginalName(), r.GetOriginalNs())
+		r.kunStr.GetGvk(), r.GetOriginalName(), r.GetOriginalNs())
 }
 
 // CurId returns a ResId for the resource using the
@@ -278,7 +437,7 @@ func (r *Resource) OrgId() resid.ResId {
 // This should be unique in any ResMap.
 func (r *Resource) CurId() resid.ResId {
 	return resid.NewResIdWithNamespace(
-		r.GetGvk(), r.GetName(), r.GetNamespace())
+		r.kunStr.GetGvk(), r.kunStr.GetName(), r.GetNamespace())
 }
 
 // GetRefBy returns the ResIds that referred to current resource

api/testutils/kusttest/harness.go

@@ -52,6 +52,16 @@ kind: Kustomization
 `+content))
 }
 
+func (th Harness) WriteC(path string, content string) {
+	th.fSys.WriteFile(
+		filepath.Join(
+			path,
+			konfig.DefaultKustomizationFileName()), []byte(`
+apiVersion: kustomize.config.k8s.io/v1alpha1
+kind: Component
+`+content))
+}
+
 func (th Harness) WriteF(path string, content string) {
 	th.fSys.WriteFile(path, []byte(content))
 }

api/testutils/kusttest/harnessenhanced.go

@@ -4,9 +4,6 @@
 package kusttest_test
 
 import (
-	"bytes"
-	"fmt"
-	"strconv"
 	"testing"
 
 	"sigs.k8s.io/kustomize/api/filesys"
@@ -20,8 +17,6 @@ import (
 	"sigs.k8s.io/kustomize/api/resource"
 	valtest_test "sigs.k8s.io/kustomize/api/testutils/valtest"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/kio"
-	"sigs.k8s.io/kustomize/kyaml/yaml"
 )
 
 // HarnessEnhanced manages a full plugin environment for tests.
@@ -130,42 +125,8 @@ func (th *HarnessEnhanced) LoadAndRunTransformer(
 
 func (th *HarnessEnhanced) RunTransformerAndCheckResult(
 	config, input, expected string) {
-	for _, b := range []bool{true, false} {
-		th.t.Run(fmt.Sprintf("yaml-%v", b), func(t *testing.T) {
-			c, err := toggleYamlSupportField(config, b)
-			if err != nil {
-				th.t.Fatalf("Err: %v", err)
-			}
-			resMap, err := th.RunTransformer(c, input)
-			if err != nil {
-				th.t.Fatalf("Err: %v", err)
-			}
-			th.AssertActualEqualsExpected(resMap, expected)
-		})
-	}
-}
-
-func toggleYamlSupportField(config string, yamlSupport bool) (string, error) {
-	var out bytes.Buffer
-	rw := kio.ByteReadWriter{
-		Reader: bytes.NewBufferString(config),
-		Writer: &out,
-	}
-	err := kio.Pipeline{
-		Inputs: []kio.Reader{&rw},
-		Filters: []kio.Filter{
-			kio.FilterAll(yaml.FilterFunc(
-				func(node *yaml.RNode) (*yaml.RNode, error) {
-					return node.Pipe(yaml.FieldSetter{
-						Name:        "yamlSupport",
-						StringValue: strconv.FormatBool(yamlSupport),
-					})
-				}),
-			),
-		},
-		Outputs: []kio.Writer{&rw},
-	}.Execute()
-	return out.String(), err
+	resMap := th.LoadAndRunTransformer(config, input)
+	th.AssertActualEqualsExpected(resMap, expected)
 }
 
 func (th *HarnessEnhanced) ErrorFromLoadAndRunTransformer(
@@ -178,16 +139,8 @@ type AssertFunc func(t *testing.T, err error)
 
 func (th *HarnessEnhanced) RunTransformerAndCheckError(
 	config, input string, assertFn AssertFunc) {
-	for _, b := range []bool{true, false} {
-		th.t.Run(fmt.Sprintf("yaml-%v", b), func(t *testing.T) {
-			c, err := toggleYamlSupportField(config, b)
-			if err != nil {
-				th.t.Fatalf("Err: %v", err)
-			}
-			_, err = th.RunTransformer(c, input)
-			assertFn(t, err)
-		})
-	}
+	_, err := th.RunTransformer(config, input)
+	assertFn(th.t, err)
 }
 
 func (th *HarnessEnhanced) RunTransformer(
@@ -203,6 +156,7 @@ func (th *HarnessEnhanced) RunTransformerFromResMap(
 	config string, resMap resmap.ResMap) (resmap.ResMap, error) {
 	transConfig, err := th.rf.RF().FromBytes([]byte(config))
 	if err != nil {
+		th.t.Logf("config: '%s'", config)
 		th.t.Fatalf("Err: %v", err)
 	}
 	g, err := th.pl.LoadTransformer(

api/types/kustomization.go

@@ -3,9 +3,18 @@
 
 package types
 
+import (
+	"bytes"
+	"encoding/json"
+
+	"sigs.k8s.io/yaml"
+)
+
 const (
 	KustomizationVersion  = "kustomize.config.k8s.io/v1beta1"
 	KustomizationKind     = "Kustomization"
+	ComponentVersion      = "kustomize.config.k8s.io/v1alpha1"
+	ComponentKind         = "Component"
 	MetadataNamespacePath = "metadata/namespace"
 )
 
@@ -73,10 +82,14 @@ type Kustomization struct {
 	//
 
 	// Resources specifies relative paths to files holding YAML representations
-	// of kubernetes API objects, or specifcations of other kustomizations
+	// of kubernetes API objects, or specifications of other kustomizations
 	// via relative paths, absolute paths, or URLs.
 	Resources []string `json:"resources,omitempty" yaml:"resources,omitempty"`
 
+	// Components specifies relative paths to specifications of other Components
+	// via relative paths, absolute paths, or URLs.
+	Components []string `json:"components,omitempty" yaml:"components,omitempty"`
+
 	// Crds specifies relative paths to Custom Resource Definition files.
 	// This allows custom resources to be recognized as operands, making
 	// it possible to add them to the Resources list.
@@ -118,6 +131,9 @@ type Kustomization struct {
 	// Transformers is a list of files containing transformers
 	Transformers []string `json:"transformers,omitempty" yaml:"transformers,omitempty"`
 
+	// Validators is a list of files containing validators
+	Validators []string `json:"validators,omitempty" yaml:"validators,omitempty"`
+
 	// Inventory appends an object that contains the record
 	// of all other objects, which can be used in apply, prune and delete
 	Inventory *Inventory `json:"inventory,omitempty" yaml:"inventory,omitempty"`
@@ -128,23 +144,48 @@ type Kustomization struct {
 // moving content of deprecated fields to newer
 // fields.
 func (k *Kustomization) FixKustomizationPostUnmarshalling() {
-	if k.APIVersion == "" {
-		k.APIVersion = KustomizationVersion
-	}
 	if k.Kind == "" {
 		k.Kind = KustomizationKind
 	}
+	if k.APIVersion == "" {
+		if k.Kind == ComponentKind {
+			k.APIVersion = ComponentVersion
+		} else {
+			k.APIVersion = KustomizationVersion
+		}
+	}
 	k.Resources = append(k.Resources, k.Bases...)
 	k.Bases = nil
 }
 
 func (k *Kustomization) EnforceFields() []string {
 	var errs []string
-	if k.APIVersion != "" && k.APIVersion != KustomizationVersion {
-		errs = append(errs, "apiVersion should be "+KustomizationVersion)
+	if k.Kind != "" && k.Kind != KustomizationKind && k.Kind != ComponentKind {
+		errs = append(errs, "kind should be "+KustomizationKind+" or "+ComponentKind)
 	}
-	if k.Kind != "" && k.Kind != KustomizationKind {
-		errs = append(errs, "kind should be "+KustomizationKind)
+	requiredVersion := KustomizationVersion
+	if k.Kind == ComponentKind {
+		requiredVersion = ComponentVersion
+	}
+	if k.APIVersion != "" && k.APIVersion != requiredVersion {
+		errs = append(errs, "apiVersion for "+k.Kind+" should be "+requiredVersion)
 	}
 	return errs
 }
+
+// Unmarshal replace k with the content in YAML input y
+func (k *Kustomization) Unmarshal(y []byte) error {
+	j, err := yaml.YAMLToJSON(y)
+	if err != nil {
+		return err
+	}
+	dec := json.NewDecoder(bytes.NewReader(j))
+	dec.DisallowUnknownFields()
+	var nk Kustomization
+	err = dec.Decode(&nk)
+	if err != nil {
+		return err
+	}
+	*k = nk
+	return nil
+}

api/types/kustomization_test.go

@@ -0,0 +1,184 @@
+package types
+
+import (
+	"testing"
+)
+
+func fixKustomizationPostUnmarshallingCheck(k, e *Kustomization) bool {
+	return (k.Kind == e.Kind && k.APIVersion == e.APIVersion &&
+		len(k.Resources) == len(e.Resources) && k.Resources[0] == e.Resources[0] &&
+		k.Bases == nil)
+}
+
+func TestFixKustomizationPostUnmarshalling(t *testing.T) {
+	var k Kustomization
+	k.Bases = append(k.Bases, "foo")
+	k.FixKustomizationPostUnmarshalling()
+
+	expected := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       KustomizationKind,
+			APIVersion: KustomizationVersion,
+		},
+		Resources: []string{"foo"},
+	}
+
+	if !fixKustomizationPostUnmarshallingCheck(&k, &expected) {
+		t.Fatalf("unexpected output: %v", k)
+	}
+}
+
+func TestFixKustomizationPostUnmarshalling_2(t *testing.T) {
+	k := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind: ComponentKind,
+		},
+	}
+	k.Bases = append(k.Bases, "foo")
+	k.FixKustomizationPostUnmarshalling()
+
+	expected := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       ComponentKind,
+			APIVersion: ComponentVersion,
+		},
+		Resources: []string{"foo"},
+	}
+
+	if !fixKustomizationPostUnmarshallingCheck(&k, &expected) {
+		t.Fatalf("unexpected output: %v", k)
+	}
+}
+
+func TestEnforceFields_InvalidKindAndVersion(t *testing.T) {
+	k := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       "foo",
+			APIVersion: "bar",
+		},
+	}
+
+	errs := k.EnforceFields()
+	if len(errs) != 2 {
+		t.Fatalf("number of errors should be 2 but got: %v", errs)
+	}
+}
+
+func TestEnforceFields_InvalidKind(t *testing.T) {
+	k := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       "foo",
+			APIVersion: KustomizationVersion,
+		},
+	}
+
+	errs := k.EnforceFields()
+	if len(errs) != 1 {
+		t.Fatalf("number of errors should be 1 but got: %v", errs)
+	}
+
+	expected := "kind should be " + KustomizationKind + " or " + ComponentKind
+	if errs[0] != expected {
+		t.Fatalf("error should be %v but got: %v", expected, errs[0])
+	}
+}
+
+func TestEnforceFields_InvalidVersion(t *testing.T) {
+	k := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       KustomizationKind,
+			APIVersion: "bar",
+		},
+	}
+
+	errs := k.EnforceFields()
+	if len(errs) != 1 {
+		t.Fatalf("number of errors should be 1 but got: %v", errs)
+	}
+
+	expected := "apiVersion for " + k.Kind + " should be " + KustomizationVersion
+	if errs[0] != expected {
+		t.Fatalf("error should be %v but got: %v", expected, errs[0])
+	}
+}
+
+func TestEnforceFields_ComponentKind(t *testing.T) {
+	k := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       ComponentKind,
+			APIVersion: "bar",
+		},
+	}
+
+	errs := k.EnforceFields()
+	if len(errs) != 1 {
+		t.Fatalf("number of errors should be 1 but got: %v", errs)
+	}
+
+	expected := "apiVersion for " + k.Kind + " should be " + ComponentVersion
+	if errs[0] != expected {
+		t.Fatalf("error should be %v but got: %v", expected, errs[0])
+	}
+}
+
+func TestEnforceFields(t *testing.T) {
+	k := Kustomization{
+		TypeMeta: TypeMeta{
+			Kind:       KustomizationKind,
+			APIVersion: KustomizationVersion,
+		},
+	}
+
+	errs := k.EnforceFields()
+	if len(errs) != 0 {
+		t.Fatalf("number of errors should be 0 but got: %v", errs)
+	}
+}
+
+func TestUnmarshal(t *testing.T) {
+	y := []byte(`
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- foo
+- bar
+nameSuffix: dog
+namePrefix: cat`)
+	var k Kustomization
+	err := k.Unmarshal(y)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if k.Kind != KustomizationKind || k.APIVersion != KustomizationVersion ||
+		len(k.Resources) != 2 || k.NamePrefix != "cat" || k.NameSuffix != "dog" {
+		t.Fatalf("wrong unmarshal result: %v", k)
+	}
+}
+
+func TestUnmarshal_UnkownField(t *testing.T) {
+	y := []byte(`
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+unknown: foo`)
+	var k Kustomization
+	err := k.Unmarshal(y)
+	if err == nil {
+		t.Fatalf("expect an error")
+	}
+	expect := "json: unknown field \"unknown\""
+	if err.Error() != expect {
+		t.Fatalf("expect %v but got: %v", expect, err.Error())
+	}
+}
+
+func TestUnmarshal_InvalidYaml(t *testing.T) {
+	y := []byte(`
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+unknown`)
+	var k Kustomization
+	err := k.Unmarshal(y)
+	if err == nil {
+		t.Fatalf("expect an error")
+	}
+}

api/types/pluginconfig.go

@@ -29,4 +29,7 @@ type PluginConfig struct {
 
 	// BpLoadingOptions distinguishes builtin plugin behaviors.
 	BpLoadingOptions BuiltinPluginLoadingOptions
+
+	// FnpLoadingOptions sets the way function-based plugin behaviors.
+	FnpLoadingOptions FnPluginLoadingOptions
 }

api/types/pluginrestrictions.go

@@ -41,3 +41,16 @@ const (
 	// to generate static code.
 	BploLoadFromFileSys
 )
+
+// FnPluginLoadingOptions set way functions-based pluing are restricted
+type FnPluginLoadingOptions struct {
+	// Allow to run executables
+	EnableExec bool
+	// Allow to run starlark
+	EnableStar bool
+	// Allow container access to network
+	Network     bool
+	NetworkName string
+	// list of mounts
+	Mounts []string
+}

cmd/config/Makefile

@@ -6,7 +6,7 @@
 GOBIN := $(shell go env GOPATH)/bin
 
 build:
-	go build -v -o $(GOBIN)/config .
+	go build -v -o $(GOBIN)/kubectl-krm ./kubectl-krm
 
 all: generate build license fix vet fmt test lint tidy
 

cmd/config/README.md

@@ -6,7 +6,7 @@ of development of the kyaml package and as a reference implementation for using
 ## Docs
 
 All documentation is also built directly into the `config` command group using 
-`kustomize help config`.
+`kustomize help cfg`.
 
 - [tutorials](docs/tutorials)
 - [commands](docs/commands)

cmd/config/configcobra/cfg.go

@@ -0,0 +1,32 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package configcobra
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/cmd/config/internal/commands"
+)
+
+func GetCfg(name string) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "cfg",
+		Short: "Commands for reading and writing configuration.",
+	}
+
+	cmd.AddCommand(commands.AnnotateCommand(name))
+	cmd.AddCommand(commands.CatCommand(name))
+	cmd.AddCommand(commands.CountCommand(name))
+	cmd.AddCommand(commands.CreateSetterCommand(name))
+	cmd.AddCommand(commands.CreateSubstitutionCommand(name))
+	cmd.AddCommand(commands.FmtCommand(name))
+	cmd.AddCommand(commands.GrepCommand(name))
+	cmd.AddCommand(commands.InitCommand(name))
+	cmd.AddCommand(commands.ListSettersCommand(name))
+	cmd.AddCommand(commands.MergeCommand(name))
+	cmd.AddCommand(commands.Merge3Command(name))
+	cmd.AddCommand(commands.SetCommand(name))
+	cmd.AddCommand(commands.TreeCommand(name))
+
+	return cmd
+}

cmd/config/configcobra/cmds.go

@@ -6,43 +6,12 @@
 package configcobra
 
 import (
-	"strings"
-
 	"github.com/spf13/cobra"
 	"sigs.k8s.io/kustomize/cmd/config/internal/commands"
 	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/api"
 	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/tutorials"
-	"sigs.k8s.io/kustomize/kyaml/commandutil"
 )
 
-var root = &cobra.Command{
-	Use:   "config",
-	Short: "[Alpha] Utilities for working with Resource Configuration.",
-	Long: `[Alpha] Utilities for working with Resource Configuration.
-
-Tutorials:
-
-  Run 'kustomize help config tutorial-TUTORIAL'
-
-	$ kustomize help config tutorials-command-basics
-
-Command Documentation:
-
-  Run 'kustomize help config CMD'
-
-	$ kustomize help config tree
-
-Advanced Documentation Topics:
-
-  Run 'kustomize help config docs-TOPIC'
-
-	$ kustomize help config docs-merge
-	$ kustomize help config docs-merge3
-	$ kustomize help config docs-fn
-	$ kustomize help config docs-io-annotations
-`,
-}
-
 // Export commands publicly for composition
 var (
 	Annotate           = commands.AnnotateCommand
@@ -50,12 +19,14 @@ var (
 	Count              = commands.CountCommand
 	CreateSetter       = commands.CreateSetterCommand
 	CreateSubstitution = commands.CreateSubstitutionCommand
+	DeleteSetter       = commands.DeleteSetterCommand
 	Fmt                = commands.FmtCommand
 	Grep               = commands.GrepCommand
+	Init               = commands.InitCommand
 	ListSetters        = commands.ListSettersCommand
 	Merge              = commands.MergeCommand
 	Merge3             = commands.Merge3Command
-	RunFn              = commands.RunFnCommand
+	RunFn              = commands.RunCommand
 	Set                = commands.SetCommand
 	Sink               = commands.SinkCommand
 	Source             = commands.SourceCommand
@@ -67,50 +38,16 @@ var (
 	ExitOnError  = &commands.ExitOnError
 )
 
-// NewConfigCommand returns a new *cobra.Command for the config command group.  This may
-// be embedded into other go binaries as a way of packaging the "config" command as part
-// of another binary.
-//
-// name is substituted into the built-in documentation for each sub-command as the command
-// invocation prefix -- e.g. if the result is embedded in kustomize, then name should be
-// "kustomize" and the built-in docs will display "kustomize config" in the examples.
-//
-func NewConfigCommand(name string) *cobra.Command {
-	// config command is alpha
-	root.Version = "v0.0.0"
-
-	// Only populate the command if Alpha commands are enabled.
-	if !commandutil.GetAlphaEnabled() {
-		// return the command because other subcommands are added to it
-		root.Short = "[Alpha] To enable set KUSTOMIZE_ENABLE_ALPHA_COMMANDS=true"
-		root.Long = "[Alpha] To enable set KUSTOMIZE_ENABLE_ALPHA_COMMANDS=true"
-		root.Example = ""
-		return root
-	}
-
-	root.PersistentFlags().BoolVar(&commands.StackOnError, "stack-trace", false,
-		"print a stack-trace on failure")
-
-	name = strings.TrimSpace(name + " config")
+// AddCommands adds the cfg, fn and live commands to kustomize.
+func AddCommands(root *cobra.Command, name string) *cobra.Command {
 	commands.ExitOnError = true
-	root.AddCommand(commands.AnnotateCommand(name))
-	root.AddCommand(commands.GrepCommand(name))
-	root.AddCommand(commands.TreeCommand(name))
-	root.AddCommand(commands.CatCommand(name))
-	root.AddCommand(commands.FmtCommand(name))
-	root.AddCommand(commands.MergeCommand(name))
-	root.AddCommand(commands.Merge3Command(name))
-	root.AddCommand(commands.CountCommand(name))
-	root.AddCommand(commands.RunFnCommand(name))
-	root.AddCommand(commands.XArgsCommand())
-	root.AddCommand(commands.WrapCommand())
 
-	root.AddCommand(commands.SetCommand(name))
-	root.AddCommand(commands.ListSettersCommand(name))
-	root.AddCommand(commands.CreateSetterCommand(name))
-	root.AddCommand(commands.CreateSubstitutionCommand(name))
-	root.AddCommand(commands.SinkCommand(name))
-	root.AddCommand(commands.SourceCommand(name))
+	root.PersistentFlags().BoolVar(StackOnError, "stack-trace", false,
+		"print a stack-trace on error")
+
+	root.AddCommand(GetCfg(name))
+	root.AddCommand(GetFn(name))
+	root.AddCommand(GetLive(name))
 
 	root.AddCommand(&cobra.Command{
 		Use:   "docs-merge",

cmd/config/configcobra/example_test.go

@@ -11,15 +11,14 @@ import (
 	"sigs.k8s.io/kustomize/kyaml/commandutil"
 )
 
-// ExampleNewConfigCommand demonstrates how to embed the config command as a command inside
+// ExampleAddCommands demonstrates how to embed the config command as a command inside
 // another group.
-func ExampleNewConfigCommand() {
+func ExampleAddCommands() {
 	// enable the config commands
 	os.Setenv(commandutil.EnableAlphaCommmandsEnvName, "true")
-	var root = &cobra.Command{
+	_ = configcobra.AddCommands(&cobra.Command{
 		Use:   "my-cmd",
 		Short: "My command.",
 		Long:  `My command.`,
-	}
-	root.AddCommand(configcobra.NewConfigCommand("my-cmd"))
+	}, "my-cmd")
 }

cmd/config/configcobra/fn.go

@@ -0,0 +1,24 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package configcobra
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/cmd/config/internal/commands"
+)
+
+func GetFn(name string) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "fn",
+		Short: "Commands for running functions against configuration.",
+	}
+
+	cmd.AddCommand(commands.RunCommand(name))
+	cmd.AddCommand(commands.SinkCommand(name))
+	cmd.AddCommand(commands.SourceCommand(name))
+	cmd.AddCommand(commands.WrapCommand())
+	cmd.AddCommand(commands.XArgsCommand())
+
+	return cmd
+}

cmd/config/configcobra/live.go

@@ -0,0 +1,89 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package configcobra
+
+import (
+	"flag"
+
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"k8s.io/client-go/discovery"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/kubectl/pkg/cmd/util"
+	"sigs.k8s.io/cli-utils/cmd/apply"
+	"sigs.k8s.io/cli-utils/cmd/destroy"
+	"sigs.k8s.io/cli-utils/cmd/diff"
+	"sigs.k8s.io/cli-utils/cmd/initcmd"
+	"sigs.k8s.io/cli-utils/cmd/preview"
+	"sigs.k8s.io/cli-utils/pkg/util/factory"
+)
+
+func GetLive(name string) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "live",
+		Short: "Commands for reading and writing resources to a cluster.",
+	}
+	ioStreams := genericclioptions.IOStreams{
+		In:     cmd.InOrStdin(),
+		Out:    cmd.OutOrStdout(),
+		ErrOut: cmd.ErrOrStderr(),
+	}
+
+	flags := cmd.PersistentFlags()
+	kubeConfigFlags := genericclioptions.NewConfigFlags(true).WithDeprecatedPasswordFlag()
+	kubeConfigFlags.AddFlags(flags)
+	userAgentKubeConfigFlags := &UserAgentKubeConfigFlags{
+		Delegate:  kubeConfigFlags,
+		UserAgent: "kustomize",
+	}
+	matchVersionKubeConfigFlags := util.NewMatchVersionFlags(
+		&factory.CachingRESTClientGetter{
+			Delegate: userAgentKubeConfigFlags,
+		},
+	)
+	matchVersionKubeConfigFlags.AddFlags(cmd.PersistentFlags())
+	cmd.PersistentFlags().AddGoFlagSet(flag.CommandLine)
+	f := util.NewFactory(matchVersionKubeConfigFlags)
+
+	applyCmd := apply.ApplyCommand(f, ioStreams)
+	_ = applyCmd.Flags().MarkHidden("no-prune")
+
+	cmd.AddCommand(
+		applyCmd,
+		initcmd.NewCmdInit(ioStreams),
+		preview.NewCmdPreview(f, ioStreams),
+		diff.NewCmdDiff(f, ioStreams),
+		destroy.NewCmdDestroy(f, ioStreams))
+	return cmd
+}
+
+type UserAgentKubeConfigFlags struct {
+	Delegate  genericclioptions.RESTClientGetter
+	UserAgent string
+}
+
+func (u *UserAgentKubeConfigFlags) ToRESTConfig() (*rest.Config, error) {
+	clientConfig, err := u.Delegate.ToRESTConfig()
+	if err != nil {
+		return nil, err
+	}
+	if u.UserAgent != "" {
+		clientConfig.UserAgent = u.UserAgent
+	}
+	return clientConfig, nil
+}
+
+func (u *UserAgentKubeConfigFlags) ToDiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
+	return u.Delegate.ToDiscoveryClient()
+}
+
+func (u *UserAgentKubeConfigFlags) ToRESTMapper() (meta.RESTMapper, error) {
+	return u.Delegate.ToRESTMapper()
+}
+
+func (u *UserAgentKubeConfigFlags) ToRawKubeConfigLoader() clientcmd.ClientConfig {
+	return u.Delegate.ToRawKubeConfigLoader()
+}

cmd/config/doc.go

@@ -0,0 +1,7 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+//go:generate $GOBIN/mdtogo docs/api-conventions internal/generateddocs/api --full=true --license=none
+//go:generate $GOBIN/mdtogo docs/tutorials internal/generateddocs/tutorials --full=true --license=none
+//go:generate $GOBIN/mdtogo docs/commands internal/generateddocs/commands --license=none
+package config

cmd/config/docs/api-conventions/functions-impl.md

@@ -116,14 +116,14 @@ metadata:
   name: my-instance
   annotations:
     config.kubernetes.io/local-config: "true"
-    config.k8s.io/function: |
+    config.kubernetes.io/function: |
       container:
         image: gcr.io/example-functions/nginx-template:v1.0.0
 spec:
   replicas: 5
 ```
 
-- `annotations[config.k8s.io/function].container.image`: the image to use for this API
+- `annotations[config.kubernetes.io/function].container.image`: the image to use for this API
 - `annotations[config.kubernetes.io/local-config]`: mark this as not a Resource that should
   be applied
 

cmd/config/docs/api-conventions/functions-spec.md

@@ -7,7 +7,7 @@ containers that can be chained together as part of a configuration management pi
 The end result of such a pipeline are fully rendered configurations that can then be
 applied to a control plane (e.g. Using ‘kubectl apply’ for Kubernetes control plane).
 As such, although this document references Kubernetes Resource Model and API conventions,
-it is completely decoupled from Kuberentes API machinery and does not depend on any
+it is completely decoupled from Kubernetes API machinery and does not depend on any
 in-cluster components.
 
 This document references terms described in [Kubernetes API Conventions][1].
@@ -33,7 +33,7 @@ _Configuration functions_ enable shift-left practices (client-side) through:
 Performing these on the client rather than the server enables:
 
 - Configuration to be reviewed prior to being sent to the API server
-- Configuration to be validated as part of the CI?CD pipeline
+- Configuration to be validated as part of the CI/CD pipeline
 - Configuration for Resources to validated holistically rather than individually
   per-Resource
   - e.g. ensure the `Service.selector` and `Deployment.spec.template` labels
@@ -114,7 +114,7 @@ functionConfig:
     name: staging
     metadata:
       annotations:
-        config.k8s.io/function: |
+        config.kubernetes.io/function: |
           container:
             image: gcr.io/example/foo:v1.0.0
   spec:

cmd/config/docs/commands/annotate.md

@@ -11,8 +11,8 @@
 
 ### Examples
 
-    kustomize config annotate my-dir/ --kv foo=bar
+    kustomize cfg annotate my-dir/ --kv foo=bar
 
-    kustomize config annotate my-dir/ --kv foo=bar --kv a=b
+    kustomize cfg annotate my-dir/ --kv foo=bar --kv a=b
 
-    kustomize config annotate my-dir/ --kv foo=bar --kind Deployment --name foo
+    kustomize cfg annotate my-dir/ --kv foo=bar --kind Deployment --name foo

cmd/config/docs/commands/cat.md

@@ -12,10 +12,10 @@
 ### Examples
 
     # print Resource config from a directory
-    kustomize config cat my-dir/
+    kustomize cfg cat my-dir/
 
     # wrap Resource config from a directory in an ResourceList
-    kustomize config cat my-dir/ --wrap-kind ResourceList --wrap-version config.kubernetes.io/v1alpha1 --function-config fn.yaml
+    kustomize cfg cat my-dir/ --wrap-kind ResourceList --wrap-version config.kubernetes.io/v1alpha1 --function-config fn.yaml
 
     # unwrap Resource config from a directory in an ResourceList
-    ... | kustomize config cat
+    ... | kustomize cfg cat

cmd/config/docs/commands/count.md

@@ -12,4 +12,4 @@
 ### Examples
 
     # print Resource counts from a directory
-    kustomize config count my-dir/
+    kustomize cfg count my-dir/

cmd/config/docs/commands/create-setter.md

@@ -38,7 +38,7 @@ Create a custom setter for a Resource field by inlining OpenAPI as comments.
 **Create a new setter:**
 
     # create a setter for ports
-    $ kustomize config set create DIR/ http-port 8080 --type "integer" --field "port"
+    $ kustomize cfg set create DIR/ http-port 8080 --type "integer" --field "port"
 
   Resources fields with a field name matching `--field` and field value matching `VALUE` will
   have a line comment added marking this field as settable.
@@ -63,7 +63,7 @@ Create a custom setter for a Resource field by inlining OpenAPI as comments.
 Users may not set the field value using the `set` command:
 
     # change the http-port value to 8081
-    $ kustomize config set DIR/ http-port 8081
+    $ kustomize cfg set DIR/ http-port 8081
 
 ### Using default values
 
@@ -75,7 +75,7 @@ The default values for a setter may be:
 
 A setter may be for a substring of a full field:
 
-    $ kustomize config set create DIR/ image-tag v1.0.01 --type "string" --field "image"
+    $ kustomize cfg set create DIR/ image-tag v1.0.01 --type "string" --field "image"
 
     image: gcr.io/example/app:v1.0.1 # # {"type":"string","x-kustomize":{"partialFieldSetters":[{"name":"image-tag","value":"v1.0.1"}]}}
 
@@ -84,10 +84,10 @@ A single field value may have multiple setters applied to it for different parts
 ### Examples
 
     # create a setter for port fields matching "8080"
-    kustomize config create-setter DIR/ port 8080 --type "integer" --field port \
+    kustomize cfg create-setter DIR/ port 8080 --type "integer" --field port \
          --description "default port used by the app"
 
     # create a setter for a substring of a field rather than the full field -- e.g. only the
     # image tag, not the full image
-    kustomize config create-setter DIR/ image-tag v1.0.1 --type "string" \
+    kustomize cfg create-setter DIR/ image-tag v1.0.1 --type "string" \
         --field image --description "current stable release"

cmd/config/docs/commands/delete-setter.md

@@ -0,0 +1,65 @@
+## delete-setter
+
+[Alpha] Delete a custom setter for a Resource field
+
+### Synopsis
+
+Delete a custom setter for a Resource field.
+
+  DIR
+
+    A directory containing Resource configuration.
+
+  NAME
+
+    The name of the setter to create.
+
+### Deleting a Custom Setter
+
+**Given the YAML:**
+
+    # resource.yaml
+    apiVersion: v1
+    kind: Service
+    metadata:
+      ...
+    spec:
+      ...
+      ports:
+        ...
+      - name: http
+        port: 8080  # {"type":"integer","x-kustomize":{"partialFieldSetters":[{"name":"http-port","value":"8080"}]}}
+        ...
+
+**Delete setter:**
+
+    # delete a setter for ports
+    $ kustomize cfg set create DIR/ http-port
+
+comment will be removed for this field is not settable any more.
+
+**Newly modified YAML:**
+
+    # resource.yaml
+    apiVersion: v1
+    kind: Service
+    metadata:
+      ...
+    spec:
+      ...
+      ports:
+        ...
+      - name: http
+        port: 8080
+        ...
+
+
+### Deleting a setter used in substitution
+
+If the setter is also used in substitution, it will ask you to delete the substitution first.
+
+
+### Examples
+
+    # delete a setter for port
+    kustomize cfg create-setter DIR/ port

cmd/config/docs/commands/fmt.md

@@ -32,13 +32,13 @@ field paths.
 ### Examples
 
 	# format file1.yaml and file2.yml
-	kustomize config fmt file1.yaml file2.yml
+	kustomize cfg fmt file1.yaml file2.yml
 
 	# format all *.yaml and *.yml recursively traversing directories
-	kustomize config fmt my-dir/
+	kustomize cfg fmt my-dir/
 
 	# format kubectl output
-	kubectl get -o yaml deployments | kustomize config fmt
+	kubectl get -o yaml deployments | kustomize cfg fmt
 
 	# format kustomize output
-	kustomize build | kustomize config fmt
+	kustomize build | kustomize cfg fmt

cmd/config/docs/commands/grep.md

@@ -19,13 +19,13 @@
 ### Examples
 
     # find Deployment Resources
-    kustomize config grep "kind=Deployment" my-dir/
+    kustomize cfg grep "kind=Deployment" my-dir/
 
     # find Resources named nginx
-    kustomize config grep "metadata.name=nginx" my-dir/
+    kustomize cfg grep "metadata.name=nginx" my-dir/
 
     # use tree to display matching Resources
-    kustomize config grep "metadata.name=nginx" my-dir/ | kustomize config tree
+    kustomize cfg grep "metadata.name=nginx" my-dir/ | kustomize cfg tree
 
     # look for Resources matching a specific container image
-    kustomize config grep "spec.template.spec.containers[name=nginx].image=nginx:1\.7\.9" my-dir/ | kustomize config tree
+    kustomize cfg grep "spec.template.spec.containers[name=nginx].image=nginx:1\.7\.9" my-dir/ | kustomize cfg tree

cmd/config/docs/commands/init.md

@@ -0,0 +1,18 @@
+## init
+
+[Alpha] Initialize a directory with a Krmfile.
+
+### Synopsis
+
+[Alpha]  Initialize a directory with a Krmfile.
+
+  DIR:
+    Path to local directory.
+
+### Examples
+
+    # create a Krmfile in the local directory
+    kustomize cfg init
+
+    # create a Krmfile in my-dir/
+    kustomize cfg init my-dir/

cmd/config/docs/commands/list-setters.md

@@ -18,6 +18,6 @@ List setters for Resources.
 
   Show setters:
 
-    $ config list-setters DIR/
+    $ kustomize cfg list-setters DIR/
         NAME      DESCRIPTION   VALUE     TYPE     COUNT   SETBY  
     name-prefix   ''            PREFIX    string   2

cmd/config/docs/commands/merge.md

@@ -17,8 +17,8 @@ earlier are lower-precedence (the destination).
 
 For information on merge rules, run:
 
-	kustomize config docs merge
+	kustomize cfg docs merge
 
 ### Examples
 
-    cat resources_and_patches.yaml | kustomize config merge > merged_resources.yaml
+    cat resources_and_patches.yaml | kustomize cfg merge > merged_resources.yaml

cmd/config/docs/commands/merge3.md

@@ -16,8 +16,8 @@ to the Resource in the DEST_DIR.
 
 For information on merge rules, run:
 
-	kustomize config docs-merge3
+	kustomize cfg docs-merge3
 
 ### Examples
 
-    kustomize config merge3 --ancestor a/ --from b/ --to c/
+    kustomize cfg merge3 --ancestor a/ --from b/ --to c/

cmd/config/docs/commands/run-fns.md

@@ -40,14 +40,14 @@ order they appear in the file).
 	spec:
 	  configField: configValue
 
-  In the preceding example, 'kustomize config run example/' would identify the function by
+  In the preceding example, 'kustomize fn run example/' would identify the function by
   the metadata.annotations.[config.kubernetes.io/function] field.  It would then write all Resources in the directory to
   a container stdin (running the gcr.io/example/examplefunction:v1.0.1 image).  It
   would then write the container stdout back to example/, replacing the directory
   file contents.
 
-  See `kustomize help config docs-fn` for more details on writing functions.
+  See `kustomize help cfg docs-fn` for more details on writing functions.
 
 ### Examples
 
-kustomize config run example/
+kustomize fn run example/

cmd/config/docs/commands/set.md

@@ -29,7 +29,7 @@ the configuration as comments.
 
 
 To print the possible setters for the Resources in a directory, run
-`list-setters` on a directory -- e.g. `kustomize config list-setters DIR/`.
+`list-setters` on a directory -- e.g. `kustomize cfg list-setters DIR/`.
 
 #### Tips
 
@@ -39,7 +39,7 @@ To print the possible setters for the Resources in a directory, run
 
 The description and setBy fields are left unmodified unless specified with flags.
 
-To create a custom setter for a field see: `kustomize help config create-setter`
+To create a custom setter for a field see: `kustomize help cfg create-setter`
 
 ### Examples
 
@@ -48,12 +48,12 @@ To create a custom setter for a field see: `kustomize help config create-setter`
     # DIR/resources.yaml
     ...
     metadata:
-        name: PREFIX-app1 # {"type":"string","x-kustomize":{"partialFieldSetters":[{"name":"name-prefix","value":"PREFIX"}]}}
+        name: PREFIX-app1 # {"type":"string","x-kustomize":{"setter":[{"name":"name-prefix","value":"PREFIX"}]}}
     ...
     ---
     ...
     metadata:
-        name: PREFIX-app2 # {"type":"string","x-kustomize":{"partialFieldSetters":[{"name":"name-prefix","value":"PREFIX"}]}}
+        name: PREFIX-app2 # {"type":"string","x-kustomize":{"setter":[{"name":"name-prefix","value":"PREFIX"}]}}
     ...
 
   List setters: Show the possible setters
@@ -64,7 +64,7 @@ To create a custom setter for a field see: `kustomize help config create-setter`
 
   Perform set: set a new value, owner and description
 
-    $ kustomize config set DIR/ name-prefix "test" --description "test environment" --set-by "dev"
+    $ kustomize cfg set DIR/ name-prefix "test" --description "test environment" --set-by "dev"
     set 2 values
 
   List setters: Show the new values
@@ -78,10 +78,10 @@ To create a custom setter for a field see: `kustomize help config create-setter`
     # DIR/resources.yaml
     ...
     metadata:
-        name: test-app1 # {"description":"test environment","type":"string","x-kustomize":{"setBy":"dev","partialFieldSetters":[{"name":"name-prefix","value":"test"}]}}
+        name: test-app1 # {"description":"test environment","type":"string","x-kustomize":{"setBy":"dev","setter":[{"name":"name-prefix","value":"test"}]}}
     ...
     ---
     ...
     metadata:
-        name: test-app2 # {"description":"test environment","type":"string","x-kustomize":{"setBy":"dev","partialFieldSetters":[{"name":"name-prefix","value":"test"}]}}
+        name: test-app2 # {"description":"test environment","type":"string","x-kustomize":{"setBy":"dev","setter":[{"name":"name-prefix","value":"test"}]}}
     ...

cmd/config/docs/commands/sink.md

@@ -6,7 +6,7 @@
 
 [Alpha] Implement a Sink by writing input to a local directory.
 
-    kustomize config sink [DIR]
+    kustomize fn sink [DIR]
 
   DIR:
     Path to local directory.  If unspecified, sink will write to stdout as if it were a single file.
@@ -15,4 +15,4 @@
 
 ### Examples
 
-    kustomize config source DIR/ | your-function | kustomize config sink DIR/
+    kustomize fn source DIR/ | your-function | kustomize fn sink DIR/

cmd/config/docs/commands/source.md

@@ -6,7 +6,7 @@
 
 [Alpha] Implement a Source by reading a local directory.
 
-    kustomize config source DIR...
+    kustomize fn source DIR...
 
   DIR:
     One or more paths to local directories.  Contents from directories will be concatenated.
@@ -17,6 +17,6 @@
 ### Examples
 
     # emity configuration directory as input source to a function
-    kustomize config source DIR/
+    kustomize fn source DIR/
 
-    kustomize config source DIR/ | your-function | kustomize config sink DIR/
+    kustomize fn source DIR/ | your-function | kustomize fn sink DIR/

cmd/config/docs/commands/tree.md

@@ -6,7 +6,7 @@
 
 [Alpha] Display Resource structure from a directory or stdin.
 
-kustomize config tree may be used to print Resources in a directory or cluster, preserving structure
+kustomize cfg tree may be used to print Resources in a directory or cluster, preserving structure
 
 Args:
 
@@ -15,38 +15,38 @@ Args:
 
 Resource fields may be printed as part of the Resources by specifying the fields as flags.
 
-kustomize config tree has build-in support for printing common fields, such as replicas, container images,
+kustomize cfg tree has build-in support for printing common fields, such as replicas, container images,
 container names, etc.
 
-kustomize config tree supports printing arbitrary fields using the '--field' flag.
+kustomize cfg tree supports printing arbitrary fields using the '--field' flag.
 
-By default, kustomize config tree uses Resource graph structure if any relationships between resources (ownerReferences)
+By default, kustomize cfg tree uses Resource graph structure if any relationships between resources (ownerReferences)
 are detected, as is typically the case when printing from a cluster. Otherwise, directory graph structure is used. The
 graph structure can also be selected explicitly using the '--graph-structure' flag.
 
 ### Examples
 
     # print Resources using directory structure
-    kustomize config tree my-dir/
+    kustomize cfg tree my-dir/
 
     # print replicas, container name, and container image and fields for Resources
-    kustomize config tree my-dir --replicas --image --name
+    kustomize cfg tree my-dir --replicas --image --name
 
     # print all common Resource fields
-    kustomize config tree my-dir/ --all
+    kustomize cfg tree my-dir/ --all
 
     # print the "foo"" annotation
-    kustomize config tree my-dir/ --field "metadata.annotations.foo"
+    kustomize cfg tree my-dir/ --field "metadata.annotations.foo"
 
     # print the "foo"" annotation
-    kubectl get all -o yaml | kustomize config tree \
+    kubectl get all -o yaml | kustomize cfg tree \
       --field="status.conditions[type=Completed].status"
 
     # print live Resources from a cluster using owners for graph structure
-    kubectl get all -o yaml | kustomize config tree --replicas --name --image
+    kubectl get all -o yaml | kustomize cfg tree --replicas --name --image
 
     # print live Resources with status condition fields
-    kubectl get all -o yaml | kustomize config tree \
+    kubectl get all -o yaml | kustomize cfg tree \
       --name --image --replicas \
       --field="status.conditions[type=Completed].status" \
       --field="status.conditions[type=Complete].status" \

cmd/config/docs/tutorials/configuration-basics.md

@@ -2,7 +2,7 @@
 
 ### Synopsis
 
-`kustomize config` provides tools for working with local configuration directories.
+`kustomize cfg` provides tools for working with local configuration directories.
 
   First fetch a bundle of configuration to your local file system from the
   Kubernetes examples repository.
@@ -14,7 +14,7 @@
 
   `tree` can be used to summarize the collection of Resources in a directory:
 
-	$ kustomize config tree mysql-wordpress-pd/
+	$ kustomize cfg tree mysql-wordpress-pd/
 	mysql-wordpress-pd
 	├── [gce-volumes.yaml]  v1.PersistentVolume wordpress-pv-1
 	├── [gce-volumes.yaml]  v1.PersistentVolume wordpress-pv-2
@@ -31,7 +31,7 @@
   supported fields, and may also print arbitrary values using the `--field` flag to specify a field
   path.
 
-    $  kustomize config tree mysql-wordpress-pd/ --name --image --replicas --ports
+    $  kustomize cfg tree mysql-wordpress-pd/ --name --image --replicas --ports
     mysql-wordpress-pd
     ├── [gce-volumes.yaml]  PersistentVolume wordpress-pv-1
     ├── [gce-volumes.yaml]  PersistentVolume wordpress-pv-2
@@ -60,7 +60,7 @@
   to build the tree structure.
 
     kubectl apply -R -f cockroachdb/
-    kubectl get all -o yaml | kustomize config tree --graph-structure owners --name --image --replicas
+    kubectl get all -o yaml | kustomize cfg tree --graph-structure owners --name --image --replicas
     .
     ├── [Resource]  Deployment wp/wordpress
     │   ├── spec.replicas: 1
@@ -84,7 +84,7 @@
 
 ### `cat` -- view the full collection of Resources
 
-	$ kustomize config cat mysql-wordpress-pd/
+	$ kustomize cfg cat mysql-wordpress-pd/
 	apiVersion: v1
 	kind: PersistentVolume
 	metadata:
@@ -111,7 +111,7 @@
   `fmt` formats the Resource Configuration by applying a consistent style, including
   ordering of fields and indentation.
 
-	$ kustomize config fmt mysql-wordpress-pd/
+	$ kustomize cfg fmt mysql-wordpress-pd/
 
   Run `git diff` and see the changes that have been applied.
 
@@ -120,7 +120,7 @@
   `grep` prints Resources matching some field value.  The Resources are annotated with their
   file source so they can be piped to other commands without losing this information.
 
-	$ kustomize config grep "metadata.name=wordpress" wordpress/
+	$ kustomize cfg grep "metadata.name=wordpress" wordpress/
 	apiVersion: v1
 	kind: Service
 	metadata:
@@ -142,7 +142,7 @@
   - list elements may be indexed by a field value using list[field=value]
   - '.' as part of a key or value may be escaped as '\.'
 
-	$ kustomize config grep "spec.status.spec.containers[name=nginx].image=mysql:5\.6" wordpress/
+	$ kustomize cfg grep "spec.status.spec.containers[name=nginx].image=mysql:5\.6" wordpress/
 	apiVersion: apps/v1 # for k8s versions before 1.9.0 use apps/v1beta2  and before 1.8.0 use extensions/v1beta1
 	kind: Deployment
 	metadata:
@@ -163,7 +163,7 @@
 
   `grep` may be used with kubectl to search for Resources in a cluster matching a value.
 
-    kubectl get all -o yaml | kustomize config grep "spec.replicas>0" | kustomize config tree --replicas
+    kubectl get all -o yaml | kustomize cfg grep "spec.replicas>0" | kustomize cfg tree --replicas
     .
     └──
         ├── [.]  Deployment wp/wordpress
@@ -179,7 +179,7 @@
 
   If there is an error parsing the Resource configuration, kustomize will print an error with the file.
 
-    $ kustomize config grep "spec.template.spec.containers[name=\.*].resources.limits.cpu>1.0" ./staging/ | kustomize config tree --name --resources
+    $ kustomize cfg grep "spec.template.spec.containers[name=\.*].resources.limits.cpu>1.0" ./staging/ | kustomize cfg tree --name --resources
     Error: staging/persistent-volume-provisioning/quobyte/quobyte-admin-secret.yaml: [0]: yaml: unmarshal errors:
       line 13: mapping key "type" already defined at line 9
 
@@ -192,7 +192,7 @@
   When developing -- to get a stack trace for where an error was encountered,
   use the `--stack-trace` flag:
 
-    $ kustomize config grep "spec.template.spec.containers[name=\.*].resources.limits.cpu>1.0" ./staging/ --stack-trace
+    $ kustomize cfg grep "spec.template.spec.containers[name=\.*].resources.limits.cpu>1.0" ./staging/ --stack-trace
     go/src/sigs.k8s.io/kustomize/kyaml/yaml/types.go:260 (0x4d35c86)
             (*RNode).GetMeta: return m, errors.Wrap(err)
     go/src/sigs.k8s.io/kustomize/kyaml/kio/byteio_reader.go:130 (0x4d3e099)
@@ -206,7 +206,7 @@
 
   Query for `replicas`:
 
-    $ kustomize config grep "spec.replicas>5" ./ | kustomize config tree --replicas
+    $ kustomize cfg grep "spec.replicas>5" ./ | kustomize cfg tree --replicas
       .
       ├── staging/sysdig-cloud
       │   └── [sysdig-rc.yaml]  ReplicationController sysdig-agent
@@ -217,7 +217,7 @@
 
   Query for `resource.limits`
 
-	$ kustomize config grep "spec.template.spec.containers[name=\.*].resources.limits.memory>0" ./ | kustomize config tree --resources
+	$ kustomize cfg grep "spec.template.spec.containers[name=\.*].resources.limits.memory>0" ./ | kustomize cfg tree --resources
 	.
     ├── cassandra
     │   └── [cassandra-statefulset.yaml]  StatefulSet cassandra
@@ -246,7 +246,7 @@
 
   Find Resources that have an image specified, but the image doesn't have a tag:
 
-    $ kustomize config grep "spec.template.spec.containers[name=\.*].name=\.*" ./ |  kustomize config grep "spec.template.spec.containers[name=\.*].image=\.*:\.*" -v | kustomize config tree --image --name
+    $ kustomize cfg grep "spec.template.spec.containers[name=\.*].name=\.*" ./ |  kustomize cfg grep "spec.template.spec.containers[name=\.*].image=\.*:\.*" -v | kustomize cfg tree --image --name
     .
     ├── staging/newrelic
     │   ├── [newrelic-daemonset.yaml]  DaemonSet newrelic-agent

cmd/config/docs/tutorials/function-basics.md

@@ -25,13 +25,13 @@
     cd template-heredoc-cockroachdb/
 
     # view the Resources
-    kustomize config tree local-resource/ --name --image --replicas
+    kustomize cfg tree local-resource/ --name --image --replicas
 
     # run the function
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
     # view the generated Resources
-    kustomize config tree local-resource/ --name --image --replicas
+    kustomize cfg tree local-resource/ --name --image --replicas
 
   `run` generated the directory ` local-resource/config` containing the generated
   Resources.
@@ -45,7 +45,7 @@
   but keep the fields that you manually added to the generated Resource configuration.
 
     # run the function
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
   `run` facilitates a non-destructive *smart templating* approach that allows templating
   to be composed with manual modifications directly to the template output, as well as
@@ -70,13 +70,13 @@
     cd template-go-nginx/
 
     # view the Resources
-    kustomize config tree local-resource/ --name --image --replicas
+    kustomize cfg tree local-resource/ --name --image --replicas
 
     # run the function
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
     # view the generated Resources
-    kustomize config tree local-resource/ --name --image --replicas
+    kustomize cfg tree local-resource/ --name --image --replicas
 
   `run` generated the directory ` local-resource/config` containing the generated
   Resources.  this time it put the configuration in a single file rather than multiple
@@ -92,7 +92,7 @@
   but keep the fields that you manually added to the generated Resource configuration.
 
     # run the function
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
   Just like in the preceding section, the function is implemented using a non-destructive
   approach which merges the generated Resources into previously generated instances.
@@ -112,7 +112,7 @@
   directory, and invoke `run` on the `local-resource/` directory.
 
     # run the function
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
     cpu-requests missing for a container in Deployment nginx (example-use.yaml [1])
     Error: exit status 1
     Usage:
@@ -124,7 +124,7 @@
   and print the name of the file + Resource index.  Edit the file and uncomment the resources,
   then re-run the functions.
 
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
   The validation now passes.
 
@@ -139,7 +139,7 @@
   directory, and invoke `run` on the `local-resource/` directory.
 
     # print the resources
-    kustomize config tree local-resource --resources --name
+    kustomize cfg tree local-resource --resources --name
     local-resource
     ├── [example-use.yaml]  Validator
     └── [example-use.yaml]  Deployment nginx
@@ -148,10 +148,10 @@
                 └── name: nginx
 
     # run the functions
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
     # print the new resources
-    kustomize config tree local-resource --resources --name
+    kustomize cfg tree local-resource --resources --name
     ├── [example-use.yaml]  Validator
     └── [example-use.yaml]  Deployment nginx
         └── spec.template.spec.containers
@@ -163,8 +163,8 @@
 
   Change the `tshirt-size` annotation from `medium` to `small` and re-run the functions.
 
-    kustomize config run local-resource/
-    kustomize config tree local-resource/
+    kustomize fn run local-resource/
+    kustomize cfg tree local-resource/
     local-resource
     ├── [example-use.yaml]  Validator
     └── [example-use.yaml]  Deployment nginx

cmd/config/ext/ext.go

@@ -3,10 +3,12 @@
 
 package ext
 
-import "path/filepath"
+import (
+	"path/filepath"
+)
 
 // GetOpenAPIFile returns the path to the file containing supplementary OpenAPI definitions.
 // Maybe be overridden to configure which file to read OpenAPI definitions from.
 var GetOpenAPIFile = func(args []string) (string, error) {
-	return filepath.Join(args[0], "kustomization"), nil
+	return filepath.Join(args[0], "Krmfile"), nil
 }

cmd/config/fixgomod.sh

@@ -9,4 +9,5 @@ set -e
 : "${kyaml_patch?Need to source VERSIONS}"
 
 go mod edit -dropreplace=sigs.k8s.io/kustomize/kyaml@v0.0.0
+go mod edit -dropreplace=sigs.k8s.io/kustomize/kyaml@v0.1.13
 go mod edit -require=sigs.k8s.io/kustomize/kyaml@v$kyaml_major.$kyaml_minor.$kyaml_patch

cmd/config/go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/kustomize/cmd/config
 
-go 1.13
+go 1.14
 
 require (
 	github.com/go-errors/errors v1.0.1
@@ -10,17 +10,12 @@ require (
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.4.0
-	k8s.io/apimachinery v0.17.0
-	sigs.k8s.io/kustomize/kyaml v0.0.0 // Don't change this!
+	k8s.io/apimachinery v0.17.3
+	k8s.io/cli-runtime v0.17.3
+	k8s.io/client-go v0.17.3
+	k8s.io/kubectl v0.0.0-20191219154910-1528d4eea6dd
+	sigs.k8s.io/cli-utils v0.16.0
+	sigs.k8s.io/kustomize/kyaml v0.4.1
 )
 
-// Don't change this!
-//
-// This line is managed by the release script -- releasing/releasemodule.sh
-// Pinning to a released version of kyaml will invalidate the e2e tests used to
-// test kyaml changes as the e2e tests will run against the pinned version, not
-// the HEAD.
-//
-// releasing/releasemodule.sh will remove this line and set the require version
-// to the kyaml version specified in releasing/VERSIONS
-replace sigs.k8s.io/kustomize/kyaml v0.0.0 => ../../kyaml
+replace sigs.k8s.io/kustomize/kyaml => ../../kyaml

cmd/config/go.sum

@@ -1,6 +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-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
+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/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd h1:sjQovDkwrZp8u+gxLtPgKGjk5hCxuy2hrRejBTA9xFU=
+github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
 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/PuerkitoBio/goquery v1.5.0/go.mod h1:qD2PgZ9lccMbQlc7eEOjaeRlFQON7xY8kdmcsrnKqMg=
@@ -22,32 +36,66 @@ github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5 h1:7aWHqerlJ41y6FOsEUvknqgXnGmJyJSbjhAWq5pO4F8=
+github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5/go.mod h1:/iP1qXHoty45bqomnu2LM+VVyAEdWN+vtSHGlQgyxbw=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
+github.com/coreos/bbolt v1.3.1-coreos.6/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/etcd v3.3.15+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
+github.com/coreos/go-oidc v2.1.0+incompatible/go.mod h1:CgnwVTmzoESiwO9qyAFEMiHoZ1nMCKZlZ9V6mm3/LKc=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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@@ -56,7 +104,10 @@ github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm
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@@ -110,6 +161,7 @@ github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tF
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@@ -120,12 +172,22 @@ github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d h1:3PaI8p3seN09Vjb
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 k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+k8s.io/kubectl v0.0.0-20191219154910-1528d4eea6dd h1:nZX5+wEqTu/EBIYjrZlFOA63z4+Zcy96lDkCZPU9a9c=
+k8s.io/kubectl v0.0.0-20191219154910-1528d4eea6dd/go.mod h1:9ehGcuUGjXVZh0qbYSB0vvofQw2JQe6c6cO0k4wu/Oo=
+k8s.io/metrics v0.0.0-20191214191643-6b1944c9f765/go.mod h1:5V7rewilItwK0cz4nomU0b3XCcees2Ka5EBYWS1HBeM=
+k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+k8s.io/utils v0.0.0-20191114184206-e782cd3c129f h1:GiPwtSzdP43eI1hpPCbROQCCIgCuiMMNF8YUVLF3vJo=
+k8s.io/utils v0.0.0-20191114184206-e782cd3c129f/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
+modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
+modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
+modernc.org/strutil v1.0.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
+modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
+sigs.k8s.io/cli-utils v0.16.0 h1:Wr32m1oxjIqc9G9l+igr13PeIM9LCyq8jQ8KjXKelvg=
+sigs.k8s.io/cli-utils v0.16.0/go.mod h1:9Jqm9K2W6ShhCxsEuaz6HSRKKOXigPUx3ZfypGgxBLY=
+sigs.k8s.io/controller-runtime v0.4.0 h1:wATM6/m+3w8lj8FXNaO6Fs/rq/vqoOjO1Q116Z9NPsg=
+sigs.k8s.io/controller-runtime v0.4.0/go.mod h1:ApC79lpY3PHW9xj/w9pj+lYkLgwAAUZwfXkME1Lajns=
+sigs.k8s.io/kustomize v2.0.3+incompatible h1:JUufWFNlI44MdtnjUqVnvh29rR37PQFzPbLXqhyOyX0=
+sigs.k8s.io/kustomize v2.0.3+incompatible/go.mod h1:MkjgH3RdOWrievjo6c9T245dYlB5QeXV4WCbnt/PEpU=
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
+sigs.k8s.io/structured-merge-diff v0.0.0-20190817042607-6149e4549fca/go.mod h1:IIgPezJWb76P0hotTxzDbWsMYB8APh18qZnxkomBpxA=
+sigs.k8s.io/structured-merge-diff v1.0.1-0.20191108220359-b1b620dd3f06 h1:zD2IemQ4LmOcAumeiyDWXKUI2SO0NYDe3H6QGvPOVgU=
+sigs.k8s.io/structured-merge-diff v1.0.1-0.20191108220359-b1b620dd3f06/go.mod h1:/ULNhyfzRopfcjskuui0cTITekDduZ7ycKN3oUT9R18=
+sigs.k8s.io/testing_frameworks v0.1.2 h1:vK0+tvjF0BZ/RYFeZ1E6BYBwHJJXhjuZ3TdsEKH+UQM=
+sigs.k8s.io/testing_frameworks v0.1.2/go.mod h1:ToQrwSC3s8Xf/lADdZp3Mktcql9CG0UAmdJG9th5i0w=
+sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+vbom.ml/util v0.0.0-20160121211510-db5cfe13f5cc/go.mod h1:so/NYdZXCz+E3ZpW0uAoCj6uzU2+8OWDFv/HxUSs7kI=

cmd/config/internal/commands/cmdcreatesetter.go

@@ -9,10 +9,10 @@ import (
 	"sigs.k8s.io/kustomize/cmd/config/ext"
 	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/commands"
 	"sigs.k8s.io/kustomize/kyaml/errors"
+	"sigs.k8s.io/kustomize/kyaml/fieldmeta"
 	"sigs.k8s.io/kustomize/kyaml/kio"
 	"sigs.k8s.io/kustomize/kyaml/openapi"
 	"sigs.k8s.io/kustomize/kyaml/setters"
-	"sigs.k8s.io/kustomize/kyaml/setters2"
 	"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
 )
 
@@ -21,13 +21,15 @@ func NewCreateSetterRunner(parent string) *CreateSetterRunner {
 	r := &CreateSetterRunner{}
 	set := &cobra.Command{
 		Use:     "create-setter DIR NAME VALUE",
-		Args:    cobra.ExactArgs(3),
+		Args:    cobra.RangeArgs(2, 3),
 		Short:   commands.CreateSetterShort,
 		Long:    commands.CreateSetterLong,
 		Example: commands.CreateSetterExamples,
 		PreRunE: r.preRunE,
 		RunE:    r.runE,
 	}
+	set.Flags().StringVar(&r.Set.SetPartialField.Setter.Value, "value", "",
+		"optional flag, alternative to specifying the value as an argument. e.g. used to specify values that start with '-'")
 	set.Flags().StringVar(&r.Set.SetPartialField.SetBy, "set-by", "",
 		"record who the field was default by.")
 	set.Flags().StringVar(&r.Set.SetPartialField.Description, "description", "",
@@ -48,6 +50,8 @@ func NewCreateSetterRunner(parent string) *CreateSetterRunner {
 	set.Flags().MarkHidden("partial")
 	set.Flags().StringVar(&setterVersion, "version", "",
 		"use this version of the setter format")
+	set.Flags().BoolVar(&r.CreateSetter.Required, "required", false,
+		"indicates that this setter must be set by package consumer before live apply/preview")
 	set.Flags().StringVar(&r.CreateSetter.SchemaPath, "schema-path", "",
 		`openAPI schema file path for setter constraints -- file content `+
 			`e.g. {"type": "string", "maxLength": 15, "enum": ["allowedValue1", "allowedValue2"]}`)
@@ -73,18 +77,25 @@ func (r *CreateSetterRunner) runE(c *cobra.Command, args []string) error {
 }
 
 func (r *CreateSetterRunner) preRunE(c *cobra.Command, args []string) error {
+	valueSetFromFlag := c.Flag("value").Changed
 	var err error
 	r.Set.SetPartialField.Setter.Name = args[1]
-	r.Set.SetPartialField.Setter.Value = args[2]
 	r.CreateSetter.Name = args[1]
-	r.CreateSetter.FieldValue = args[2]
+	if valueSetFromFlag {
+		r.CreateSetter.FieldValue = r.Set.SetPartialField.Setter.Value
+	} else if len(args) > 2 {
+		r.Set.SetPartialField.Setter.Value = args[2]
+		r.CreateSetter.FieldValue = args[2]
+	}
 	r.CreateSetter.FieldName, err = c.Flags().GetString("field")
 	if err != nil {
 		return err
 	}
 
 	if setterVersion == "" {
-		if len(args) < 3 {
+		if len(args) == 2 && r.Set.SetPartialField.Type == "array" && c.Flag("field").Changed {
+			setterVersion = "v2"
+		} else if len(args) < 2 || !c.Flag("value").Changed && len(args) < 3 {
 			setterVersion = "v1"
 		} else if err := initSetterVersion(c, args); err != nil {
 			return err
@@ -102,7 +113,7 @@ func (r *CreateSetterRunner) preRunE(c *cobra.Command, args []string) error {
 		}
 
 		// check if substitution with same name exists and throw error
-		ref, err := spec.NewRef(setters2.DefinitionsPrefix + setters2.SubstitutionDefinitionPrefix + r.CreateSetter.Name)
+		ref, err := spec.NewRef(fieldmeta.DefinitionsPrefix + fieldmeta.SubstitutionDefinitionPrefix + r.CreateSetter.Name)
 		if err != nil {
 			return err
 		}
@@ -117,6 +128,12 @@ func (r *CreateSetterRunner) preRunE(c *cobra.Command, args []string) error {
 		r.CreateSetter.Description = r.Set.SetPartialField.Description
 		r.CreateSetter.SetBy = r.Set.SetPartialField.SetBy
 		r.CreateSetter.Type = r.Set.SetPartialField.Type
+
+		if r.CreateSetter.Type == "array" {
+			if !c.Flag("field").Changed {
+				return errors.Errorf("field flag must be set for array type setters")
+			}
+		}
 	}
 	return nil
 }

cmd/config/internal/commands/cmdcreatesetter_test.go

@@ -62,7 +62,45 @@ kind: Deployment
 metadata:
   name: nginx-deployment
 spec:
-  replicas: 3 # {"$ref":"#/definitions/io.k8s.cli.setters.replicas"}
+  replicas: 3 # {"$openapi":"replicas"}
+ `,
+		},
+
+		{
+			name: "add replicas no match",
+			args: []string{"replicas", "3", "--description", "hello world", "--set-by", "me"},
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  foo: 2
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+`,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.replicas:
+      description: hello world
+      x-k8s-cli:
+        setter:
+          name: replicas
+          value: "3"
+          setBy: me
+ `,
+			expectedResources: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  foo: 2
  `,
 		},
 		{
@@ -124,20 +162,45 @@ kind: Deployment
 metadata:
   name: nginx-deployment
 spec:
-  replicas: 3 # {"$ref":"#/definitions/io.k8s.cli.setters.replicas"}
+  replicas: 3 # {"$openapi":"replicas"}
  `,
 		},
 
 		{
-			name:   "add replicas with schema list values",
-			args:   []string{"list", "a", "--description", "hello world", "--set-by", "me", "--type", "array"},
-			schema: `{"maxItems": 2, "type": "array", "items": {"type": "string"}}`,
+			name:   "list values with schema",
+			args:   []string{"list", "--description", "hello world", "--set-by", "me", "--type", "array", "--field", "spec.list"},
+			schema: `{"maxItems": 3, "type": "array", "items": {"type": "string"}}`,
 			input: `
 apiVersion: example.com/v1beta1
-kind: Example
+kind: Example1
 spec:
   list:
   - "a"
+  - "b"
+  - "c"
+---
+apiVersion: example.com/v1beta1
+kind: Example2
+spec:
+  list:
+  - "a"
+  - "b"
+  - "c"
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+  namespace: myspace
+spec:
+  replicas: 3
+  template:
+    spec:
+      containers:
+      - name: sidecar
+        image: nginx:1.7.9
+      - name: nginx
+        image: otherspace/nginx:1.7.9
  `,
 			inputOpenAPI: `
 apiVersion: v1alpha1
@@ -151,21 +214,199 @@ openAPI:
     io.k8s.cli.setters.list:
       items:
         type: string
-      maxItems: 2
+      maxItems: 3
       type: array
       description: hello world
       x-k8s-cli:
         setter:
           name: list
-          value: a
+          value: ""
+          listValues:
+          - a
+          - b
+          - c
+          setBy: me
+ `,
+			expectedResources: `
+apiVersion: example.com/v1beta1
+kind: Example1
+spec:
+  list: # {"$openapi":"list"}
+  - "a"
+  - "b"
+  - "c"
+---
+apiVersion: example.com/v1beta1
+kind: Example2
+spec:
+  list: # {"$openapi":"list"}
+  - "a"
+  - "b"
+  - "c"
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+  namespace: myspace
+spec:
+  replicas: 3
+  template:
+    spec:
+      containers:
+      - name: sidecar
+        image: nginx:1.7.9
+      - name: nginx
+        image: otherspace/nginx:1.7.9
+ `,
+		},
+
+		{
+			name:   "error list path with different values",
+			args:   []string{"list", "--description", "hello world", "--set-by", "me", "--type", "array", "--field", "spec.list"},
+			schema: `{"maxItems": 3, "type": "array", "items": {"type": "string"}}`,
+			input: `
+apiVersion: example.com/v1beta1
+kind: Example
+spec:
+  list:
+  - "a"
+  - "b"
+  - "c"
+---
+apiVersion: example.com/v1beta1
+kind: Example
+spec:
+  list:
+  - "c"
+  - "d"
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+`,
+			err: `setters can only be created for fields with same values, encountered different ` +
+				`array values for specified field path: [c d], [a b c]`,
+		},
+
+		{
+			name:   "list values error if field not set",
+			args:   []string{"list", "a", "--description", "hello world", "--set-by", "me", "--type", "array"},
+			schema: `{"maxItems": 3, "type": "array", "items": {"type": "string"}}`,
+			input: `
+apiVersion: example.com/v1beta1
+kind: Example
+spec:
+  list:
+  - "a"
+  - "b"
+  - "c"
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+`,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.list:
+      items:
+        type: string
+      maxItems: 3
+      type: array
+      description: hello world
+      x-k8s-cli:
+        setter:
+          name: list
+          listValues:
+          - a
+          - b
+          - c
           setBy: me
  `,
 			expectedResources: `
 apiVersion: example.com/v1beta1
 kind: Example
 spec:
-  list:
-  - "a" # {"$ref":"#/definitions/io.k8s.cli.setters.list"}
+  list: # {"$openapi":"list"}
+  - "a"
+  - "b"
+  - "c"
+ `,
+			err: `field flag must be set for array type setters`,
+		},
+		{
+			name: "add replicas with value set by flag",
+			args: []string{"replicas", "--value", "3", "--description", "hello world", "--set-by", "me"},
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+`,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.replicas:
+      description: hello world
+      x-k8s-cli:
+        setter:
+          name: replicas
+          value: "3"
+          setBy: me
+ `,
+			expectedResources: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3 # {"$openapi":"replicas"}
+ `,
+		},
+		{
+			name: "add setter with . in the name",
+			args: []string{"foo.bar", "3"},
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+`,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.foo.bar:
+      x-k8s-cli:
+        setter:
+          name: foo.bar
+          value: "3"
+ `,
+			expectedResources: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3 # {"$openapi":"foo.bar"}
  `,
 		},
 	}

cmd/config/internal/commands/cmdcreatesubstitution.go

@@ -12,6 +12,7 @@ import (
 	"github.com/spf13/cobra"
 	"sigs.k8s.io/kustomize/cmd/config/ext"
 	"sigs.k8s.io/kustomize/kyaml/errors"
+	"sigs.k8s.io/kustomize/kyaml/fieldmeta"
 	"sigs.k8s.io/kustomize/kyaml/openapi"
 	"sigs.k8s.io/kustomize/kyaml/setters2"
 	"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
@@ -71,7 +72,7 @@ func (r *CreateSubstitutionRunner) preRunE(c *cobra.Command, args []string) erro
 	}
 
 	// check if setter with same name exists and throw error
-	ref, err := spec.NewRef(setters2.DefinitionsPrefix + setters2.SetterDefinitionPrefix + r.CreateSubstitution.Name)
+	ref, err := spec.NewRef(fieldmeta.DefinitionsPrefix + fieldmeta.SetterDefinitionPrefix + r.CreateSubstitution.Name)
 	if err != nil {
 		return err
 	}
@@ -85,18 +86,36 @@ func (r *CreateSubstitutionRunner) preRunE(c *cobra.Command, args []string) erro
 
 	// extract setter name tokens from pattern enclosed in ${}
 	re := regexp.MustCompile(`\$\{([^}]*)\}`)
-	markers := re.FindAll([]byte(r.CreateSubstitution.Pattern), -1)
+	markers := re.FindAllString(r.CreateSubstitution.Pattern, -1)
 	if len(markers) == 0 {
-		return errors.Errorf("unable to find setter names in pattern, " +
+		return errors.Errorf("unable to find setter or substitution names in pattern, " +
 			"setter names must be enclosed in ${}")
 	}
 
 	for _, marker := range markers {
-		ref := setters2.DefinitionsPrefix + setters2.SetterDefinitionPrefix +
-			strings.TrimSuffix(strings.TrimPrefix(string(marker), "${"), "}")
+		name := strings.TrimSuffix(strings.TrimPrefix(marker, "${"), "}")
+		if name == r.CreateSubstitution.Name {
+			return fmt.Errorf("setters must have different name than the substitution: %s", name)
+		}
+
+		ref, err := spec.NewRef(fieldmeta.DefinitionsPrefix + fieldmeta.SubstitutionDefinitionPrefix + name)
+		if err != nil {
+			return err
+		}
+
+		var markerRef string
+		subst, _ := openapi.Resolve(&ref)
+		// check if the substitution exists with the marker name or fall back to creating setter
+		// ref with the name
+		if subst != nil {
+			markerRef = fieldmeta.DefinitionsPrefix + fieldmeta.SubstitutionDefinitionPrefix + name
+		} else {
+			markerRef = fieldmeta.DefinitionsPrefix + fieldmeta.SetterDefinitionPrefix + name
+		}
+
 		r.CreateSubstitution.Values = append(
 			r.CreateSubstitution.Values,
-			setters2.Value{Marker: string(marker), Ref: ref},
+			setters2.Value{Marker: marker, Ref: markerRef},
 		)
 	}
 

cmd/config/internal/commands/cmdcreatesubstitution_test.go

@@ -99,7 +99,7 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.7.9 # {"$ref":"#/definitions/io.k8s.cli.substitutions.my-image-subst"}
+        image: nginx:1.7.9 # {"$openapi":"my-image-subst"}
       - name: sidecar
         image: sidecar:1.7.9
  `,
@@ -147,6 +147,68 @@ kind: Example
 			expectedOpenAPI: `
 apiVersion: v1alpha1
 kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.substitutions.my-image-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-image-subst
+          pattern: something/${my-image-setter}::${my-tag-setter}/nginxotherthing
+          values:
+          - marker: ${my-image-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-image-setter'
+          - marker: ${my-tag-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-tag-setter'
+    io.k8s.cli.setters.my-image-setter:
+      x-k8s-cli:
+        setter:
+          name: my-image-setter
+          value: nginx
+    io.k8s.cli.setters.my-tag-setter:
+      x-k8s-cli:
+        setter:
+          name: my-tag-setter
+          value: 1.7.9
+ `,
+			expectedResources: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: something/nginx::1.7.9/nginxotherthing # {"$openapi":"my-image-subst"}
+      - name: sidecar
+        image: sidecar:1.7.9
+ `,
+		},
+		{
+			name: "nested substitution",
+			args: []string{
+				"my-nested-subst", "--field-value", "something/nginx::1.7.9/nginxotherthing",
+				"--pattern", "something/${my-image-subst}/${my-other-setter}"},
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: something/nginx::1.7.9/nginxotherthing
+      - name: sidecar
+        image: nginx::1.7.9 # {"$openapi":"my-image-subst"}
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
 openAPI:
   definitions:
     io.k8s.cli.setters.my-image-setter:
@@ -163,12 +225,53 @@ openAPI:
       x-k8s-cli:
         substitution:
           name: my-image-subst
-          pattern: something/${my-image-setter}::${my-tag-setter}/nginxotherthing
+          pattern: ${my-image-setter}::${my-tag-setter}
           values:
           - marker: ${my-image-setter}
             ref: '#/definitions/io.k8s.cli.setters.my-image-setter'
           - marker: ${my-tag-setter}
             ref: '#/definitions/io.k8s.cli.setters.my-tag-setter'
+ `,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.my-image-setter:
+      x-k8s-cli:
+        setter:
+          name: my-image-setter
+          value: nginx
+    io.k8s.cli.setters.my-tag-setter:
+      x-k8s-cli:
+        setter:
+          name: my-tag-setter
+          value: 1.7.9
+    io.k8s.cli.substitutions.my-image-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-image-subst
+          pattern: ${my-image-setter}::${my-tag-setter}
+          values:
+          - marker: ${my-image-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-image-setter'
+          - marker: ${my-tag-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-tag-setter'
+    io.k8s.cli.substitutions.my-nested-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-nested-subst
+          pattern: something/${my-image-subst}/${my-other-setter}
+          values:
+          - marker: ${my-image-subst}
+            ref: '#/definitions/io.k8s.cli.substitutions.my-image-subst'
+          - marker: ${my-other-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-other-setter'
+    io.k8s.cli.setters.my-other-setter:
+      x-k8s-cli:
+        setter:
+          name: my-other-setter
+          value: nginxotherthing
  `,
 			expectedResources: `
 apiVersion: apps/v1
@@ -181,11 +284,163 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: something/nginx::1.7.9/nginxotherthing # {"$ref":"#/definitions/io.k8s.cli.substitutions.my-image-subst"}
+        image: something/nginx::1.7.9/nginxotherthing # {"$openapi":"my-nested-subst"}
       - name: sidecar
-        image: sidecar:1.7.9
+        image: nginx::1.7.9 # {"$openapi":"my-image-subst"}
  `,
 		},
+		{
+			name: "nested cyclic substitution",
+			args: []string{"my-nested-subst", "--field-value", "something/nginx::1.7.9/nginxotherthing",
+				"--pattern", "something/${my-image-subst}/${my-other-setter}"},
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.my-image-setter:
+      x-k8s-cli:
+        setter:
+          name: my-image-setter
+          value: nginx
+    io.k8s.cli.setters.my-tag-setter:
+      x-k8s-cli:
+        setter:
+          name: my-tag-setter
+          value: 1.7.9
+    io.k8s.cli.substitutions.my-image-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-image-subst
+          pattern: ${my-nested-subst}::${my-tag-setter}
+          values:
+          - marker: ${my-nested-subst}
+            ref: '#/definitions/io.k8s.cli.substitutions.my-nested-subst'
+          - marker: ${my-tag-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-tag-setter'
+    io.k8s.cli.setters.my-other-setter:
+      x-k8s-cli:
+        setter:
+          name: my-other-setter
+          value: nginxotherthing
+    io.k8s.cli.substitutions.my-nested-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-nested-subst
+          pattern: something/${my-image-subst}/${my-other-setter}
+          values:
+          - marker: ${my-image-subst}
+            ref: '#/definitions/io.k8s.cli.substitutions.my-image-subst'
+          - marker: ${my-other-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-other-setter'
+ `,
+			input: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: something/nginx::1.7.9/nginxotherthing # {"$openapi":"my-nested-subst"}
+      - name: sidecar
+        image: nginx::1.7.9 # {"$openapi":"my-image-subst"}
+ `,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+openAPI:
+  definitions:
+    io.k8s.cli.setters.my-image-setter:
+      x-k8s-cli:
+        setter:
+          name: my-image-setter
+          value: nginx
+    io.k8s.cli.setters.my-tag-setter:
+      x-k8s-cli:
+        setter:
+          name: my-tag-setter
+          value: 1.7.9
+    io.k8s.cli.substitutions.my-image-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-image-subst
+          pattern: ${my-nested-subst}::${my-tag-setter}
+          values:
+          - marker: ${my-nested-subst}
+            ref: '#/definitions/io.k8s.cli.substitutions.my-nested-subst'
+          - marker: ${my-tag-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-tag-setter'
+    io.k8s.cli.setters.my-other-setter:
+      x-k8s-cli:
+        setter:
+          name: my-other-setter
+          value: nginxotherthing
+    io.k8s.cli.substitutions.my-nested-subst:
+      x-k8s-cli:
+        substitution:
+          name: my-nested-subst
+          pattern: something/${my-image-subst}/${my-other-setter}
+          values:
+          - marker: ${my-image-subst}
+            ref: '#/definitions/io.k8s.cli.substitutions.my-image-subst'
+          - marker: ${my-other-setter}
+            ref: '#/definitions/io.k8s.cli.setters.my-other-setter'
+
+ `,
+			expectedResources: `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  replicas: 3
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: something/nginx::1.7.9/nginxotherthing # {"$openapi":"my-nested-subst"}
+      - name: sidecar
+        image: nginx::1.7.9 # {"$openapi":"my-image-subst"}
+`,
+			err: "cyclic substitution detected with name my-nested-subst",
+		},
+		{
+			name: "substitution with non-existing setter with same name",
+			args: []string{
+				"foo", "--field-value", "prefix-1234", "--pattern", "prefix-${foo}"},
+			input: `
+apiVersion: test/v1
+kind: Foo
+metadata:
+  name: foo
+spec:
+  setterVal: 1234
+  substVal: prefix-1234
+ `,
+			inputOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+ `,
+			expectedOpenAPI: `
+apiVersion: v1alpha1
+kind: Example
+ `,
+			expectedResources: `
+apiVersion: test/v1
+kind: Foo
+metadata:
+  name: foo
+spec:
+  setterVal: 1234
+  substVal: prefix-1234
+        	            	
+ `,
+			err: "setters must have different name than the substitution: foo",
+		},
 	}
 	for i := range tests {
 		test := tests[i]

cmd/config/internal/commands/cmddeletesetter.go

@@ -0,0 +1,64 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package commands
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/cmd/config/ext"
+	"sigs.k8s.io/kustomize/cmd/config/internal/generateddocs/commands"
+	"sigs.k8s.io/kustomize/kyaml/openapi"
+	"sigs.k8s.io/kustomize/kyaml/setters2/settersutil"
+)
+
+// NewDeleteRunner returns a command runner.
+func NewDeleteSetterRunner(parent string) *DeleteSetterRunner {
+	r := &DeleteSetterRunner{}
+	c := &cobra.Command{
+		Use:     "delete-setter DIR NAME",
+		Args:    cobra.MinimumNArgs(2),
+		Short:   commands.DeleteSetterShort,
+		Long:    commands.DeleteSetterLong,
+		Example: commands.DeleteSetterExamples,
+		PreRunE: r.preRunE,
+		RunE:    r.runE,
+	}
+	fixDocs(parent, c)
+	r.Command = c
+
+	return r
+}
+
+func DeleteSetterCommand(parent string) *cobra.Command {
+	return NewDeleteSetterRunner(parent).Command
+}
+
+type DeleteSetterRunner struct {
+	Command      *cobra.Command
+	DeleteSetter settersutil.DeleterCreator
+	OpenAPIFile  string
+}
+
+func (r *DeleteSetterRunner) preRunE(c *cobra.Command, args []string) error {
+	var err error
+	r.DeleteSetter.Name = args[1]
+
+	r.OpenAPIFile, err = ext.GetOpenAPIFile(args)
+	if err != nil {
+		return err
+	}
+
+	if err := openapi.AddSchemaFromFile(r.OpenAPIFile); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (r *DeleteSetterRunner) runE(c *cobra.Command, args []string) error {
+	return handleError(c, r.delete(c, args))
+}
+
+func (r *DeleteSetterRunner) delete(c *cobra.Command, args []string) error {
+	return r.DeleteSetter.Delete(r.OpenAPIFile, args[0])
+}