Update README.md

Avoid processing the nil pointer returned by kustomizationResultAdapter

.gitignore

@@ -5,6 +5,9 @@
 *.so
 *.dylib
 
+.idea
+*.iml
+
 # Test binary, build with `go test -c`
 *.test
 

.golangci-kustomize.yml

@@ -4,25 +4,38 @@ run:
 linters:
   disable-all: true
   enable:
+    - bodyclose
+    - deadcode
+    - depguard
     - dupl
     - goconst
     - gocyclo
     - gofmt
+    - goimports
     - golint
+    - gosec
+    - gosimple
     - govet
     - ineffassign
     - interfacer
     - lll
     - misspell
     - nakedret
+    - staticcheck
     - structcheck
+    # stylecheck demands that acronyms not be treated as words
+    # in camelCase, so JsonOp become JSONOp, etc.  Yuck.
+    # - stylecheck
+    - typecheck
+    - unconvert
+    - unused
     - unparam
     - varcheck
 
 linters-settings:
   dupl:
-    threshold: 400 
-  lll:   
+    threshold: 400
+  lll:
     line-length: 170
   gocyclo:
     min-complexity: 15

.travis.yml

@@ -1,9 +1,8 @@
 os:
   - linux
-# TODO: Uncomment this when someone figures out how
-# to speed up the slowness of homebrew installation on
-# oxs; presumably cache images?
-#  - osx
+  - osx
+# TODO: Speed up the slowness of the osx travis runs
+# Maybe cache brew installs?
 #
 # TODO: Uncomment when some gets the tests running on Windows.
 #  - windows
@@ -35,7 +34,9 @@ before_install:
 install: true
 
 script:
-  - ./travis/pre-commit.sh
+  - ./travis/verify-deps.sh
+  - make verify-kustomize
+  - ./travis/kyaml-pre-commit.sh
 
 # TBD. Suppressing for now.
 notifications:

CONTRIBUTING.md

@@ -6,11 +6,15 @@ _As contributors and maintainers of this project, and in the interest of fosteri
 
 ## Getting Started
 
+Dev guides:
+
+- [Mac](docs/macDevGuide.md)
+
 We have full documentation on how to get started contributing here:
 
 - [Contributor License Agreement](https://git.k8s.io/community/CLA.md) Kubernetes projects require that you sign a Contributor License Agreement (CLA) before we can accept your pull requests
 - [Kubernetes Contributor Guide](http://git.k8s.io/community/contributors/guide) - Main contributor documentation, or you can just jump directly to the [contributing section](http://git.k8s.io/community/contributors/guide#contributing)
-- [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet.md) - Common resources for existing developers
+- [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet/README.md) - Common resources for existing developers
 
 ## Mentorship
 

Makefile

@@ -1,37 +1,242 @@
-BIN_NAME=kustomize
+# Copyright 2019 The Kubernetes Authors.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Makefile for kustomize CLI and API.
 
-COVER_FILE=coverage.out
+MYGOBIN := $(shell go env GOPATH)/bin
+SHELL := /bin/bash
+export PATH := $(MYGOBIN):$(PATH)
 
-export GO111MODULE=on
+.PHONY: all
+all: verify-kustomize
 
-all: test build
+.PHONY: verify-kustomize
+verify-kustomize: \
+	lint-kustomize \
+	test-unit-kustomize-all \
+	test-examples-kustomize-against-HEAD \
+	test-examples-kustomize-against-latest
 
-test: generate-code test-lint test-go
+# Other builds in this repo might want a different linter version.
+# Without one Makefile to rule them all, the different makes
+# cannot assume that golanci-lint is at the version they want
+# since everything uses the same implicit GOPATH.
+# This installs in a temp dir to avoid overwriting someone else's
+# linter, then installs in MYGOBIN with a new name.
+# Version pinned by api/go.mod
+$(MYGOBIN)/golangci-lint-kustomize:
+	( \
+		set -e; \
+		export GOBIN=$$(mktemp -d) \
+		cd api; \
+		GO111MODULE=on go install github.com/golangci/golangci-lint/cmd/golangci-lint; \
+		mv $$GOBIN/golangci-lint $(MYGOBIN)/golangci-lint-kustomize \
+	)
 
-test-go:
-	go test -v ./...
+# Version pinned by api/go.mod
+$(MYGOBIN)/mdrip:
+	cd api; \
+	go install github.com/monopole/mdrip
 
-test-lint:
-	golangci-lint run ./...
+# Version pinned by api/go.mod
+$(MYGOBIN)/stringer:
+	cd api; \
+	go install golang.org/x/tools/cmd/stringer
 
-generate-code:
-	./plugin/generateBuiltins.sh $(GOPATH)
+# Version pinned by api/go.mod
+$(MYGOBIN)/goimports:
+	cd api; \
+	go install golang.org/x/tools/cmd/goimports
 
-build:
-	go build -o $(BIN_NAME) cmd/kustomize/main.go
+# To pin pluginator, use this recipe instead:
+#   cd api;
+#   go install sigs.k8s.io/kustomize/pluginator/v2
+$(MYGOBIN)/pluginator:
+	cd pluginator; \
+	go install .
 
-install:
-	go install $(PWD)/cmd/kustomize
+# Install kustomize from whatever is checked out.
+$(MYGOBIN)/kustomize:
+	cd kustomize; \
+	go install .
 
-cover:
-	# The plugin directory eludes coverage, and is therefore omitted
-	go test ./pkg/... ./k8sdeps/... ./internal/... -coverprofile=$(COVER_FILE) && \
-	go tool cover -html=$(COVER_FILE)
+.PHONY: install-tools
+install-tools: \
+	$(MYGOBIN)/goimports \
+	$(MYGOBIN)/golangci-lint-kustomize \
+	$(MYGOBIN)/mdrip \
+	$(MYGOBIN)/pluginator \
+	$(MYGOBIN)/stringer
 
+### Begin kustomize plugin rules.
+#
+# The rules to deal with builtin plugins are a bit
+# complicated because
+#
+# - Every builtin plugin is a Go plugin -
+#   meaning it gets its own module directory
+#   (outside of the api module) with Go
+#   code in a 'main' package per Go plugin rules.
+# - kustomize locates plugins using the
+#   'apiVersion' and 'kind' fields from the
+#   plugin config file.
+# - k8s wants CamelCase in 'kind' fields.
+# - The module name (the last name in the path)
+#   must be the lowercased 'kind' of the
+#   plugin because Go and related tools
+#   demand lowercase in import paths, but
+#   allow CamelCase in file names.
+# - the generated code must live in the api
+#   module (it's linked into the api).
 
+# Where all generated builtin plugin code should go.
+pGen=api/builtins
+# Where the builtin Go plugin modules live.
+pSrc=plugin/builtin
+
+_builtinplugins = \
+	AnnotationsTransformer.go \
+	ConfigMapGenerator.go \
+	HashTransformer.go \
+	ImageTagTransformer.go \
+	InventoryTransformer.go \
+	LabelTransformer.go \
+	LegacyOrderTransformer.go \
+	NamespaceTransformer.go \
+	PatchJson6902Transformer.go \
+	PatchStrategicMergeTransformer.go \
+	PatchTransformer.go \
+	PrefixSuffixTransformer.go \
+	ReplicaCountTransformer.go \
+	SecretGenerator.go
+
+# Maintaining this explicit list of generated files, and
+# adding it as a dependency to a few targets, to assure
+# they get recreated if deleted.  The rules below on how
+# to make them don't, by themselves, assure they will be
+# recreated if deleted.
+builtinplugins = $(patsubst %,$(pGen)/%,$(_builtinplugins))
+
+# These rules are verbose, but assure that if a source file
+# is modified, the corresponding generated file, and only
+# that file, will be recreated.
+$(pGen)/AnnotationsTransformer.go: $(pSrc)/annotationstransformer/AnnotationsTransformer.go
+$(pGen)/ConfigMapGenerator.go: $(pSrc)/configmapgenerator/ConfigMapGenerator.go
+$(pGen)/HashTransformer.go: $(pSrc)/hashtransformer/HashTransformer.go
+$(pGen)/ImageTagTransformer.go: $(pSrc)/imagetagtransformer/ImageTagTransformer.go
+$(pGen)/InventoryTransformer.go: $(pSrc)/inventorytransformer/InventoryTransformer.go
+$(pGen)/LabelTransformer.go: $(pSrc)/labeltransformer/LabelTransformer.go
+$(pGen)/LegacyOrderTransformer.go: $(pSrc)/legacyordertransformer/LegacyOrderTransformer.go
+$(pGen)/NamespaceTransformer.go: $(pSrc)/namespacetransformer/NamespaceTransformer.go
+$(pGen)/PatchJson6902Transformer.go: $(pSrc)/patchjson6902transformer/PatchJson6902Transformer.go
+$(pGen)/PatchStrategicMergeTransformer.go: $(pSrc)/patchstrategicmergetransformer/PatchStrategicMergeTransformer.go
+$(pGen)/PatchTransformer.go: $(pSrc)/patchtransformer/PatchTransformer.go
+$(pGen)/PrefixSuffixTransformer.go: $(pSrc)/prefixsuffixtransformer/PrefixSuffixTransformer.go
+$(pGen)/ReplicaCountTransformer.go: $(pSrc)/replicacounttransformer/ReplicaCountTransformer.go
+$(pGen)/SecretGenerator.go: $(pSrc)/secretgenerator/SecretGenerator.go
+
+# The (verbose but portable) Makefile way to convert to lowercase.
+toLowerCase = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
+
+$(pGen)/%.go: $(MYGOBIN)/pluginator
+	@echo "generating $*"
+	( \
+		set -e; \
+		cd $(pSrc)/$(call toLowerCase,$*); \
+		go generate .; \
+		cd ../../../$(pGen); \
+		$(MYGOBIN)/goimports -w $*.go \
+	)
+
+# Target is for debugging.
+.PHONY: generate-kustomize-builtin-plugins
+generate-kustomize-builtin-plugins: $(builtinplugins)
+
+### End kustomize plugin rules.
+
+.PHONY: lint-kustomize
+lint-kustomize: install-tools $(builtinplugins)
+	cd api; \
+	$(MYGOBIN)/golangci-lint-kustomize -c ../.golangci-kustomize.yml run ./...
+	cd kustomize; \
+	$(MYGOBIN)/golangci-lint-kustomize -c ../.golangci-kustomize.yml run ./...
+	cd pluginator; \
+	$(MYGOBIN)/golangci-lint-kustomize -c ../.golangci-kustomize.yml run ./...
+
+.PHONY: test-unit-kustomize-api
+test-unit-kustomize-api: $(builtinplugins)
+	cd api; go test ./...
+
+.PHONY: test-unit-kustomize-plugins
+test-unit-kustomize-plugins:
+	./hack/testUnitKustomizePlugins.sh
+
+.PHONY: test-unit-kustomize-cli
+test-unit-kustomize-cli:
+	cd kustomize; go test ./...
+
+.PHONY: test-unit-kustomize-all
+test-unit-kustomize-all: \
+	test-unit-kustomize-api \
+	test-unit-kustomize-cli \
+	test-unit-kustomize-plugins
+
+.PHONY:
+test-examples-kustomize-against-HEAD: $(MYGOBIN)/kustomize $(MYGOBIN)/mdrip
+	./hack/testExamplesAgainstKustomize.sh HEAD
+
+.PHONY:
+test-examples-kustomize-against-latest: $(MYGOBIN)/mdrip
+	( \
+		set -e; \
+		/bin/rm -f $(MYGOBIN)/kustomize; \
+		echo "Installing kustomize from latest."; \
+		GO111MODULE=on go install sigs.k8s.io/kustomize/kustomize/v3; \
+		./hack/testExamplesAgainstKustomize.sh latest; \
+		echo "Reinstalling kustomize from HEAD."; \
+		cd kustomize; go install .; \
+	)
+
+# linux only.
+# This is for testing an example plugin that
+# uses kubeval for validation.
+# Don't want to add a hard dependence in go.mod file
+# to github.com/instrumenta/kubeval.
+# Instead, download the binary.
+$(MYGOBIN)/kubeval:
+	( \
+		set -e; \
+		d=$(shell mktemp -d); cd $$d; \
+		wget https://github.com/instrumenta/kubeval/releases/latest/download/kubeval-linux-amd64.tar.gz; \
+		tar xf kubeval-linux-amd64.tar.gz; \
+		mv kubeval $(MYGOBIN); \
+		rm -rf $$d; \
+	)
+
+# linux only.
+# This is for testing an example plugin that
+# uses helm to inflate a chart for subsequent kustomization.
+# Don't want to add a hard dependence in go.mod file
+# to helm.
+# Instead, download the binary.
+$(MYGOBIN)/helm:
+	( \
+		set -e; \
+		d=$(shell mktemp -d); cd $$d; \
+		wget https://storage.googleapis.com/kubernetes-helm/helm-v2.13.1-linux-amd64.tar.gz; \
+		tar -xvzf helm-v2.13.1-linux-amd64.tar.gz; \
+		mv linux-amd64/helm $(MYGOBIN); \
+		rm -rf $$d \
+	)
+
+.PHONY: clean
 clean:
-	go clean
-	rm -f $(BIN_NAME)
-	rm -f $(COVER_FILE)
+	go clean --cache
+	rm -f $(builtinplugins)
+	rm -f $(MYGOBIN)/pluginator
+	rm -f $(MYGOBIN)/kustomize
+	rm -f $(MYGOBIN)/golangci-lint-kustomize
 
-.PHONY: test build install clean generate-code test-go test-lint cover
+.PHONY: nuke
+nuke: clean
+	sudo rm -rf $(shell go env GOPATH)/pkg/mod/sigs.k8s.io

README.md

@@ -28,9 +28,9 @@ Since [v1.14][kubectl announcement] the kustomize build system has been included
 
 | kubectl version | kustomize version |
 |---------|--------|
-| v1.16.0 | [v2.0.3](https://github.com/kubernetes-sigs/kustomize/tree/v2.0.3) |
-| v1.15.x | [v2.0.3](https://github.com/kubernetes-sigs/kustomize/tree/v2.0.3) |
-| v1.14.x | [v2.0.3](https://github.com/kubernetes-sigs/kustomize/tree/v2.0.3) |
+| v1.16.0 | [v2.0.3](/../../tree/v2.0.3) |
+| v1.15.x | [v2.0.3](/../../tree/v2.0.3) |
+| v1.14.x | [v2.0.3](/../../tree/v2.0.3) |
 
 For examples and guides for using the kubectl integration please see the [kubectl book] or the [kubernetes documentation].
 
@@ -167,7 +167,7 @@ is governed by the [Kubernetes Code of Conduct].
 [eschewed feature list]: docs/eschewedFeatures.md
 [imageBase]: docs/images/base.jpg
 [imageOverlay]: docs/images/overlay.jpg
-[kind/feature]: https://github.com/kubernetes-sigs/kustomize/labels/kind%2Ffeature
+[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/
@@ -175,12 +175,12 @@ is governed by the [Kubernetes Code of Conduct].
 [kustomization]: docs/glossary.md#kustomization
 [overlay]: docs/glossary.md#overlay
 [overlays]: docs/glossary.md#overlay
-[release page]: https://github.com/kubernetes-sigs/kustomize/releases
+[release page]: /../../releases
 [resource]: docs/glossary.md#resource
 [resources]: docs/glossary.md#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]: 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
+[v2.0.3]: /../../releases/tag/v2.0.3
+[v2.1.0]: /../../releases/tag/v2.1.0
 [workflows]: docs/workflows.md

api/builtins/AnnotationsTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on AnnotationsTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -18,9 +16,8 @@ type AnnotationsTransformerPlugin struct {
 	FieldSpecs  []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-
 func (p *AnnotationsTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Annotations = nil
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -38,5 +35,5 @@ func (p *AnnotationsTransformerPlugin) Transform(m resmap.ResMap) error {
 }
 
 func NewAnnotationsTransformerPlugin() resmap.TransformerPlugin {
-  return &AnnotationsTransformerPlugin{}
+	return &AnnotationsTransformerPlugin{}
 }

api/builtins/ConfigMapGenerator.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on ConfigMapGenerator; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -19,7 +17,6 @@ type ConfigMapGeneratorPlugin struct {
 	types.ConfigMapArgs
 }
 
-
 func (p *ConfigMapGeneratorPlugin) Config(
 	h *resmap.PluginHelpers, config []byte) (err error) {
 	p.GeneratorOptions = types.GeneratorOptions{}
@@ -42,5 +39,5 @@ func (p *ConfigMapGeneratorPlugin) Generate() (resmap.ResMap, error) {
 }
 
 func NewConfigMapGeneratorPlugin() resmap.GeneratorPlugin {
-  return &ConfigMapGeneratorPlugin{}
+	return &ConfigMapGeneratorPlugin{}
 }

api/builtins/HashTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on HashTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -16,9 +14,8 @@ type HashTransformerPlugin struct {
 	hasher ifc.KunstructuredHasher
 }
 
-
 func (p *HashTransformerPlugin) Config(
-	h *resmap.PluginHelpers, config []byte) (err error) {
+	h *resmap.PluginHelpers, _ []byte) (err error) {
 	p.hasher = h.ResmapFactory().RF().Hasher()
 	return nil
 }
@@ -38,5 +35,5 @@ func (p *HashTransformerPlugin) Transform(m resmap.ResMap) error {
 }
 
 func NewHashTransformerPlugin() resmap.TransformerPlugin {
-  return &HashTransformerPlugin{}
+	return &HashTransformerPlugin{}
 }

api/builtins/ImageTagTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on ImageTagTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -24,9 +22,8 @@ type ImageTagTransformerPlugin struct {
 	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-
 func (p *ImageTagTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.ImageTag = types.Image{}
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -85,7 +82,7 @@ func (p *ImageTagTransformerPlugin) findAndReplaceImage(obj map[string]interface
 	updated := false
 	for _, path := range paths {
 		containers, found := obj[path]
-		if found {
+		if found && containers != nil {
 			if _, err := p.updateContainers(containers); err != nil {
 				return err
 			}
@@ -184,5 +181,5 @@ func split(imageName string) (name string, tag string) {
 }
 
 func NewImageTagTransformerPlugin() resmap.TransformerPlugin {
-  return &ImageTagTransformerPlugin{}
+	return &ImageTagTransformerPlugin{}
 }

api/builtins/InventoryTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on InventoryTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -24,7 +22,6 @@ type InventoryTransformerPlugin struct {
 	Policy           string `json:"policy,omitempty" yaml:"policy,omitempty"`
 }
 
-
 func (p *InventoryTransformerPlugin) Config(
 	h *resmap.PluginHelpers, c []byte) (err error) {
 	p.h = h
@@ -127,5 +124,5 @@ func computeRefs(
 }
 
 func NewInventoryTransformerPlugin() resmap.TransformerPlugin {
-  return &InventoryTransformerPlugin{}
+	return &InventoryTransformerPlugin{}
 }

api/builtins/LabelTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on LabelTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -18,9 +16,8 @@ type LabelTransformerPlugin struct {
 	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-
 func (p *LabelTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Labels = nil
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -38,5 +35,5 @@ func (p *LabelTransformerPlugin) Transform(m resmap.ResMap) error {
 }
 
 func NewLabelTransformerPlugin() resmap.TransformerPlugin {
-  return &LabelTransformerPlugin{}
+	return &LabelTransformerPlugin{}
 }

api/builtins/LegacyOrderTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on LegacyOrderTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -20,10 +18,9 @@ import (
 // (like ValidatingWebhookConfiguration) last.
 type LegacyOrderTransformerPlugin struct{}
 
-
 // Nothing needed for configuration.
 func (p *LegacyOrderTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, _ []byte) (err error) {
 	return nil
 }
 
@@ -45,5 +42,5 @@ func (p *LegacyOrderTransformerPlugin) Transform(m resmap.ResMap) (err error) {
 }
 
 func NewLegacyOrderTransformerPlugin() resmap.TransformerPlugin {
-  return &LegacyOrderTransformerPlugin{}
+	return &LegacyOrderTransformerPlugin{}
 }

api/builtins/NamespaceTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on NamespaceTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -23,9 +21,8 @@ type NamespaceTransformerPlugin struct {
 	FieldSpecs       []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-
 func (p *NamespaceTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Namespace = ""
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -78,7 +75,7 @@ func (p *NamespaceTransformerPlugin) applicableFieldSpecs(id resid.ResId) []type
 }
 
 func (p *NamespaceTransformerPlugin) changeNamespace(
-	referrer *resource.Resource) func(in interface{}) (interface{}, error) {
+	_ *resource.Resource) func(in interface{}) (interface{}, error) {
 	return func(in interface{}) (interface{}, error) {
 		switch in.(type) {
 		case string:
@@ -130,5 +127,5 @@ func (p *NamespaceTransformerPlugin) changeNamespace(
 }
 
 func NewNamespaceTransformerPlugin() resmap.TransformerPlugin {
-  return &NamespaceTransformerPlugin{}
+	return &NamespaceTransformerPlugin{}
 }

api/builtins/PatchJson6902Transformer.go

@@ -1,14 +1,12 @@
 // Code generated by pluginator on PatchJson6902Transformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
 import (
 	"fmt"
 
-	"github.com/evanphx/json-patch"
+	jsonpatch "github.com/evanphx/json-patch"
 	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/resid"
@@ -25,7 +23,6 @@ type PatchJson6902TransformerPlugin struct {
 	JsonOp       string            `json:"jsonOp,omitempty" yaml:"jsonOp,omitempty"`
 }
 
-
 func (p *PatchJson6902TransformerPlugin) Config(
 	h *resmap.PluginHelpers, c []byte) (err error) {
 	p.ldr = h.Loader()
@@ -99,5 +96,5 @@ func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 }
 
 func NewPatchJson6902TransformerPlugin() resmap.TransformerPlugin {
-  return &PatchJson6902TransformerPlugin{}
+	return &PatchJson6902TransformerPlugin{}
 }

api/builtins/PatchStrategicMergeTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on PatchStrategicMergeTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -21,7 +19,6 @@ type PatchStrategicMergeTransformerPlugin struct {
 	Patches       string                      `json:"patches,omitempty" yaml:"patches,omitempty"`
 }
 
-
 func (p *PatchStrategicMergeTransformerPlugin) Config(
 	h *resmap.PluginHelpers, c []byte) (err error) {
 	p.h = h
@@ -89,5 +86,5 @@ func (p *PatchStrategicMergeTransformerPlugin) Transform(m resmap.ResMap) error
 }
 
 func NewPatchStrategicMergeTransformerPlugin() resmap.TransformerPlugin {
-  return &PatchStrategicMergeTransformerPlugin{}
+	return &PatchStrategicMergeTransformerPlugin{}
 }

api/builtins/PatchTransformer.go

@@ -1,14 +1,12 @@
 // Code generated by pluginator on PatchTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
 import (
 	"fmt"
 
-	"github.com/evanphx/json-patch"
+	jsonpatch "github.com/evanphx/json-patch"
 	"github.com/pkg/errors"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
@@ -24,7 +22,6 @@ type PatchTransformerPlugin struct {
 	Target       *types.Selector `json:"target,omitempty" yaml:"target,omitempty"`
 }
 
-
 func (p *PatchTransformerPlugin) Config(
 	h *resmap.PluginHelpers, c []byte) (err error) {
 	err = yaml.Unmarshal(c, p)
@@ -144,5 +141,5 @@ func jsonPatchFromBytes(
 }
 
 func NewPatchTransformerPlugin() resmap.TransformerPlugin {
-  return &PatchTransformerPlugin{}
+	return &PatchTransformerPlugin{}
 }

api/builtins/PrefixSuffixTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on PrefixSuffixTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -24,7 +22,6 @@ type PrefixSuffixTransformerPlugin struct {
 	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-
 // Not placed in a file yet due to lack of demand.
 var prefixSuffixFieldSpecsToSkip = []types.FieldSpec{
 	{
@@ -36,7 +33,7 @@ var prefixSuffixFieldSpecsToSkip = []types.FieldSpec{
 }
 
 func (p *PrefixSuffixTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Prefix = ""
 	p.Suffix = ""
 	p.FieldSpecs = nil
@@ -122,5 +119,5 @@ func (p *PrefixSuffixTransformerPlugin) addPrefixSuffix(
 }
 
 func NewPrefixSuffixTransformerPlugin() resmap.TransformerPlugin {
-  return &PrefixSuffixTransformerPlugin{}
+	return &PrefixSuffixTransformerPlugin{}
 }

api/builtins/ReplicaCountTransformer.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on ReplicaCountTransformer; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -23,10 +21,8 @@ type ReplicaCountTransformerPlugin struct {
 	FieldSpecs []types.FieldSpec `json:"fieldSpecs,omitempty" yaml:"fieldSpecs,omitempty"`
 }
 
-
 func (p *ReplicaCountTransformerPlugin) Config(
-	h *resmap.PluginHelpers, c []byte) (err error) {
-
+	_ *resmap.PluginHelpers, c []byte) (err error) {
 	p.Replica = types.Replica{}
 	p.FieldSpecs = nil
 	return yaml.Unmarshal(c, p)
@@ -88,5 +84,5 @@ func (p *ReplicaCountTransformerPlugin) addReplicas(in interface{}) (interface{}
 }
 
 func NewReplicaCountTransformerPlugin() resmap.TransformerPlugin {
-  return &ReplicaCountTransformerPlugin{}
+	return &ReplicaCountTransformerPlugin{}
 }

api/builtins/SecretGenerator.go

@@ -1,7 +1,5 @@
 // Code generated by pluginator on SecretGenerator; DO NOT EDIT.
-// pluginator {Version:unknown GitCommit:$Format:%H$ BuildDate:1970-01-01T00:00:00Z GoOs:linux GoArch:amd64}
-
-
+// pluginator {unknown  1970-01-01T00:00:00Z  }
 
 package builtins
 
@@ -19,7 +17,6 @@ type SecretGeneratorPlugin struct {
 	types.SecretArgs
 }
 
-
 func (p *SecretGeneratorPlugin) Config(h *resmap.PluginHelpers, config []byte) (err error) {
 	p.GeneratorOptions = types.GeneratorOptions{}
 	p.SecretArgs = types.SecretArgs{}
@@ -41,5 +38,5 @@ func (p *SecretGeneratorPlugin) Generate() (resmap.ResMap, error) {
 }
 
 func NewSecretGeneratorPlugin() resmap.GeneratorPlugin {
-  return &SecretGeneratorPlugin{}
+	return &SecretGeneratorPlugin{}
 }

api/filesys/file.go

@@ -6,34 +6,8 @@ package filesys
 import (
 	"io"
 	"os"
-	"time"
 )
 
-var _ os.FileInfo = &fileInfo{}
-
-// fileInfo implements os.FileInfo for a fileInMemory instance.
-type fileInfo struct {
-	*fileInMemory
-}
-
-// Name returns the name of the file
-func (fi *fileInfo) Name() string { return fi.name }
-
-// Size returns the size of the file
-func (fi *fileInfo) Size() int64 { return int64(len(fi.content)) }
-
-// Mode returns the file mode
-func (fi *fileInfo) Mode() os.FileMode { return 0777 }
-
-// ModTime returns the modification time
-func (fi *fileInfo) ModTime() time.Time { return time.Time{} }
-
-// IsDir returns if it is a directory
-func (fi *fileInfo) IsDir() bool { return fi.dir }
-
-// Sys should return underlying data source, but it now returns nil
-func (fi *fileInfo) Sys() interface{} { return nil }
-
 // File groups the basic os.File methods.
 type File interface {
 	io.ReadWriteCloser

api/filesys/fileinfo.go

@@ -0,0 +1,34 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"os"
+	"time"
+)
+
+var _ os.FileInfo = fileInfo{}
+
+// fileInfo implements os.FileInfo for a fileInMemory instance.
+type fileInfo struct {
+	node *fsNode
+}
+
+// Name returns the name of the file
+func (fi fileInfo) Name() string { return fi.node.Name() }
+
+// Size returns the size of the file
+func (fi fileInfo) Size() int64 { return fi.node.Size() }
+
+// Mode returns the file mode
+func (fi fileInfo) Mode() os.FileMode { return 0777 }
+
+// ModTime returns a bogus time
+func (fi fileInfo) ModTime() time.Time { return time.Time{} }
+
+// IsDir returns true if it is a directory
+func (fi fileInfo) IsDir() bool { return fi.node.isNodeADir() }
+
+// Sys should return underlying data source, but it now returns nil
+func (fi fileInfo) Sys() interface{} { return nil }

api/filesys/fileinmemory.go

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

api/filesys/filesystem.go

@@ -8,13 +8,20 @@ import (
 	"path/filepath"
 )
 
+const (
+	Separator = string(filepath.Separator)
+	SelfDir   = "."
+	ParentDir = ".."
+)
+
 // FileSystem groups basic os filesystem methods.
+// It's supposed be functional subset of https://golang.org/pkg/os
 type FileSystem interface {
 	// Create a file.
-	Create(name string) (File, error)
+	Create(path string) (File, error)
 	// MkDir makes a directory.
 	Mkdir(path string) error
-	// MkDir makes a directory path, creating intervening directories.
+	// MkDirAll makes a directory path, creating intervening directories.
 	MkdirAll(path string) error
 	// RemoveAll removes path and any children it contains.
 	RemoveAll(path string) error
@@ -30,11 +37,13 @@ type FileSystem interface {
 	CleanedAbs(path string) (ConfirmedDir, string, error)
 	// Exists is true if the path exists in the file system.
 	Exists(path string) bool
-	// Glob returns the list of matching files
+	// Glob returns the list of matching files,
+	// emulating https://golang.org/pkg/path/filepath/#Glob
 	Glob(pattern string) ([]string, error)
 	// ReadFile returns the contents of the file at the given path.
 	ReadFile(path string) ([]byte, error)
-	// WriteFile writes the data to a file at the given path.
+	// WriteFile writes the data to a file at the given path,
+	// overwriting anything that's already there.
 	WriteFile(path string, data []byte) error
 	// Walk walks the file system with the given WalkFunc.
 	Walk(path string, walkFn filepath.WalkFunc) error

api/filesys/fsinmemory.go

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

api/filesys/fsinmemory_test.go

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

api/filesys/fsnode.go

@@ -0,0 +1,557 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"bytes"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+var _ File = &fsNode{}
+var _ FileSystem = &fsNode{}
+
+// fsNode is either a file or a directory.
+type fsNode struct {
+	// What node owns me?
+	parent *fsNode
+
+	// Value to return as the Name() when the
+	// parent is nil.
+	nilParentName string
+
+	// A directory mapping names to nodes.
+	// If dir is nil, then self node is a file.
+	// If dir is non-nil, then self node is a directory,
+	// albeit possibly an empty directory.
+	dir map[string]*fsNode
+
+	// if this node is a file, this is the content.
+	content []byte
+
+	// if this node is a file, this tracks whether or
+	// not it is "open".
+	open bool
+}
+
+// MakeEmptyDirInMemory returns an empty directory.
+// The paths of nodes in this object will never
+// report a leading Separator, meaning they
+// aren't "absolute" in the sense defined by
+// https://golang.org/pkg/path/filepath/#IsAbs.
+func MakeEmptyDirInMemory() *fsNode {
+	return &fsNode{
+		dir: make(map[string]*fsNode),
+	}
+}
+
+// MakeFsInMemory returns an empty 'file system'.
+// The paths of nodes in this object will always
+// report a leading Separator, meaning they
+// are "absolute" in the sense defined by
+// https://golang.org/pkg/path/filepath/#IsAbs.
+// This is a relevant difference when using Walk,
+// Glob, Match, etc.
+func MakeFsInMemory() FileSystem {
+	return &fsNode{
+		nilParentName: Separator,
+		dir:           make(map[string]*fsNode),
+	}
+}
+
+// Name returns the name of the node.
+func (n *fsNode) Name() string {
+	if n.parent == nil {
+		// Unable to lookup name in parent.
+		return n.nilParentName
+	}
+	if !n.parent.isNodeADir() {
+		log.Fatal("parent not a dir")
+	}
+	for key, value := range n.parent.dir {
+		if value == n {
+			return key
+		}
+	}
+	log.Fatal("unable to find fsNode name")
+	return ""
+}
+
+// Path returns the full path to the node.
+func (n *fsNode) Path() string {
+	if n.parent == nil {
+		return n.nilParentName
+	}
+	if !n.parent.isNodeADir() {
+		log.Fatal("parent not a dir, structural error")
+	}
+	return filepath.Join(n.parent.Path(), n.Name())
+}
+
+// mySplit trims trailing separators from the directory
+// result of filepath.Split.
+func mySplit(s string) (string, string) {
+	dName, fName := filepath.Split(s)
+	return StripTrailingSeps(dName), fName
+}
+
+func (n *fsNode) addFile(name string, c []byte) (result *fsNode, err error) {
+	parent := n
+	dName, fileName := mySplit(name)
+	if dName != "" {
+		parent, err = parent.addDir(dName)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if !isLegalFileNameForCreation(fileName) {
+		return nil, fmt.Errorf(
+			"illegal name '%s' in file creation", fileName)
+	}
+	result, ok := parent.dir[fileName]
+	if ok {
+		// File already exists; overwrite it.
+		result.content = c
+		return result, nil
+	}
+	result = &fsNode{
+		content: c,
+		parent:  parent,
+	}
+	parent.dir[fileName] = result
+	return result, nil
+}
+
+// Create implements FileSystem.
+// Create makes an empty file.
+func (n *fsNode) Create(path string) (result File, err error) {
+	return n.AddFile(path, []byte{})
+}
+
+// WriteFile implements FileSystem.
+func (n *fsNode) WriteFile(path string, d []byte) error {
+	_, err := n.AddFile(path, d)
+	return err
+}
+
+// AddFile adds a file and any necessary containing
+// directories to the node.
+func (n *fsNode) AddFile(
+	name string, c []byte) (result *fsNode, err error) {
+	if n.dir == nil {
+		return nil, fmt.Errorf(
+			"cannot add a file to a non-directory '%s'", n.Name())
+	}
+	return n.addFile(cleanQueryPath(name), c)
+}
+
+func (n *fsNode) addDir(path string) (result *fsNode, err error) {
+	parent := n
+	dName, subDirName := mySplit(path)
+	if dName != "" {
+		parent, err = n.addDir(dName)
+		if err != nil {
+			return nil, err
+		}
+	}
+	switch subDirName {
+	case "", SelfDir:
+		return n, nil
+	case ParentDir:
+		if n.parent == nil {
+			return nil, fmt.Errorf(
+				"cannot add a directory above '%s'", n.Path())
+		}
+		return n.parent, nil
+	default:
+		if !isLegalFileNameForCreation(subDirName) {
+			return nil, fmt.Errorf(
+				"illegal name '%s' in directory creation", subDirName)
+		}
+		result, ok := parent.dir[subDirName]
+		if ok {
+			if result.isNodeADir() {
+				// it's already there.
+				return result, nil
+			}
+			return nil, fmt.Errorf(
+				"cannot make dir '%s'; a file of that name already exists in '%s'",
+				subDirName, parent.Name())
+		}
+		result = &fsNode{
+			dir:    make(map[string]*fsNode),
+			parent: parent,
+		}
+		parent.dir[subDirName] = result
+		return result, nil
+	}
+}
+
+// Mkdir implements FileSystem.
+// Mkdir creates a directory.
+func (n *fsNode) Mkdir(path string) error {
+	_, err := n.AddDir(path)
+	return err
+}
+
+// MkdirAll implements FileSystem.
+// MkdirAll creates a directory.
+func (n *fsNode) MkdirAll(path string) error {
+	_, err := n.AddDir(path)
+	return err
+}
+
+// AddDir adds a directory to the node, not complaining
+// if it is already there.
+func (n *fsNode) AddDir(path string) (result *fsNode, err error) {
+	if n.dir == nil {
+		return nil, fmt.Errorf(
+			"cannot add a directory to file node '%s'", n.Name())
+	}
+	return n.addDir(cleanQueryPath(path))
+}
+
+// CleanedAbs implements FileSystem.
+func (n *fsNode) CleanedAbs(path string) (ConfirmedDir, string, error) {
+	node, err := n.Find(path)
+	if err != nil {
+		return "", "", errors.Wrap(err, "unable to clean")
+	}
+	if node == nil {
+		return "", "", fmt.Errorf("'%s' doesn't exist", path)
+	}
+	if node.isNodeADir() {
+		return ConfirmedDir(node.Path()), "", nil
+	}
+	return ConfirmedDir(node.parent.Path()), node.Name(), nil
+}
+
+// Exists implements FileSystem.
+// Exists returns true if the path exists.
+func (n *fsNode) Exists(path string) bool {
+	if !n.isNodeADir() {
+		return n.Name() == path
+	}
+	result, err := n.Find(path)
+	if err != nil {
+		return false
+	}
+	return result != nil
+}
+
+func cleanQueryPath(path string) string {
+	// Always ignore leading separator?
+	// Remember that filepath.Clean returns "." if
+	// given an empty string argument.
+	return filepath.Clean(StripLeadingSeps(path))
+}
+
+// Find finds the given node, else nil if not found.
+// Return error on structural/argument errors.
+func (n *fsNode) Find(path string) (*fsNode, error) {
+	if !n.isNodeADir() {
+		return nil, fmt.Errorf("can only find inside a dir")
+	}
+	if path == "" {
+		// Special case; check *before* cleaning and *before*
+		// comparison to nilParentName.
+		return nil, nil
+	}
+	if (n.parent == nil && path == n.nilParentName) || path == SelfDir {
+		// Special case
+		return n, nil
+	}
+	return n.findIt(cleanQueryPath(path))
+}
+
+func (n *fsNode) findIt(path string) (result *fsNode, err error) {
+	parent := n
+	dName, item := mySplit(path)
+	if dName != "" {
+		parent, err = n.findIt(dName)
+		if err != nil {
+			return nil, err
+		}
+		if parent == nil {
+			// all done, target doesn't exist.
+			return nil, nil
+		}
+	}
+	if !parent.isNodeADir() {
+		return nil, fmt.Errorf("'%s' is not a directory", parent.Path())
+	}
+	return parent.dir[item], nil
+}
+
+// RemoveAll implements FileSystem.
+// RemoveAll removes an item and everything it contains.
+func (n *fsNode) RemoveAll(path string) error {
+	result, err := n.Find(path)
+	if err != nil {
+		return err
+	}
+	if result == nil {
+		return fmt.Errorf("cannot find '%s' to remove it", path)
+	}
+	return result.Remove()
+}
+
+// Remove drop the node, and everything it contains, from its parent.
+func (n *fsNode) Remove() error {
+	if n.parent == nil {
+		return fmt.Errorf("cannot remove a root node")
+	}
+	if !n.parent.isNodeADir() {
+		log.Fatal("parent not a dir")
+	}
+	for key, value := range n.parent.dir {
+		if value == n {
+			delete(n.parent.dir, key)
+			return nil
+		}
+	}
+	log.Fatal("unable to find self in parent")
+	return nil
+}
+
+// isNodeADir returns true if the node is a directory.
+// Cannot collide with the poorly named "IsDir".
+func (n *fsNode) isNodeADir() bool {
+	return n.dir != nil
+}
+
+// IsDir implements FileSystem.
+// IsDir returns true if the argument resolves
+// to a directory rooted at the node.
+func (n *fsNode) IsDir(path string) bool {
+	result, err := n.Find(path)
+	if err != nil || result == nil {
+		return false
+	}
+	return result.isNodeADir()
+}
+
+// Size returns the size of the node.
+func (n *fsNode) Size() int64 {
+	if n.isNodeADir() {
+		return int64(len(n.dir))
+	}
+	return int64(len(n.content))
+}
+
+// Open implements FileSystem.
+// Open opens the node for reading (just marks it).
+func (n *fsNode) Open(path string) (File, error) {
+	result, err := n.Find(path)
+	if err != nil {
+		return nil, err
+	}
+	if result == nil {
+		return nil, fmt.Errorf("cannot find '%s' to open it", path)
+	}
+	result.open = true
+	return result, nil
+}
+
+// Close marks the node closed.
+func (n *fsNode) Close() error {
+	n.open = false
+	return nil
+}
+
+// ReadFile implements FileSystem.
+func (n *fsNode) ReadFile(path string) (c []byte, err error) {
+	result, err := n.Find(path)
+	if err != nil {
+		return nil, err
+	}
+	if result == nil {
+		return nil, fmt.Errorf("cannot find '%s' to read it", path)
+	}
+	c = make([]byte, len(result.content))
+	_, err = result.Read(c)
+	return c, err
+}
+
+// Read returns the content of the file node.
+func (n *fsNode) Read(d []byte) (c int, err error) {
+	if n.isNodeADir() {
+		return 0, fmt.Errorf(
+			"cannot read content from non-file '%s'", n.Path())
+	}
+	return copy(d, n.content), nil
+}
+
+// Write saves the contents of the argument to the file node.
+func (n *fsNode) Write(p []byte) (c int, err error) {
+	if n.isNodeADir() {
+		return 0, fmt.Errorf(
+			"cannot write content to non-file '%s'", n.Path())
+	}
+	n.content = make([]byte, len(p))
+	return copy(n.content, p), nil
+}
+
+// ContentMatches returns true if v matches fake file's content.
+func (n *fsNode) ContentMatches(v []byte) bool {
+	return bytes.Equal(v, n.content)
+}
+
+// GetContent the content of a fake file.
+func (n *fsNode) GetContent() []byte {
+	return n.content
+}
+
+// Stat returns an instance of FileInfo.
+func (n *fsNode) Stat() (os.FileInfo, error) {
+	return fileInfo{node: n}, nil
+}
+
+// Walk implements FileSystem.
+func (n *fsNode) Walk(path string, walkFn filepath.WalkFunc) error {
+	result, err := n.Find(path)
+	if err != nil {
+		return err
+	}
+	if result == nil {
+		return fmt.Errorf("cannot find '%s' to walk it", path)
+	}
+	return result.WalkMe(walkFn)
+}
+
+// Walk runs the given walkFn on each node.
+func (n *fsNode) WalkMe(walkFn filepath.WalkFunc) error {
+	fi, err := n.Stat()
+	// always visit self first
+	err = walkFn(n.Path(), fi, err)
+	if !n.isNodeADir() {
+		// it's a file, so nothing more to do
+		return err
+	}
+	// process self as a directory
+	if err == filepath.SkipDir {
+		return nil
+	}
+	// Walk is supposed to visit in lexical order.
+	for _, k := range n.sortedDirEntries() {
+		if err := n.dir[k].WalkMe(walkFn); err != nil {
+			if err == filepath.SkipDir {
+				// stop processing this directory
+				break
+			}
+			// bail out completely
+			return err
+		}
+	}
+	return nil
+}
+
+func (n *fsNode) sortedDirEntries() []string {
+	keys := make([]string, len(n.dir))
+	i := 0
+	for k := range n.dir {
+		keys[i] = k
+		i++
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+// FileCount returns a count of files.
+// Directories, empty or otherwise, not counted.
+func (n *fsNode) FileCount() int {
+	count := 0
+	n.WalkMe(func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			count++
+		}
+		return nil
+	})
+	return count
+}
+
+func (n *fsNode) DebugPrint() {
+	n.WalkMe(func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			fmt.Printf("err '%v' at path %q\n", err, path)
+			return nil
+		}
+		if info.IsDir() {
+			if info.Size() == 0 {
+				fmt.Println("empty dir: " + path)
+			}
+		} else {
+			fmt.Println("     file: " + path)
+		}
+		return nil
+	})
+}
+
+var legalFileNamePattern = regexp.MustCompile("^[a-zA-Z0-9-_.]+$")
+
+// This rules enforced here should be simpler and tighter
+// than what's allowed on a real OS.
+// Should be fine for testing or in-memory purposes.
+func isLegalFileNameForCreation(n string) bool {
+	if n == "" || n == SelfDir || !legalFileNamePattern.MatchString(n) {
+		return false
+	}
+	return !strings.Contains(n, ParentDir)
+}
+
+// RegExpGlob returns a list of file paths matching the regexp.
+// Excludes directories.
+func (n *fsNode) RegExpGlob(pattern string) ([]string, error) {
+	var result []string
+	var expression = regexp.MustCompile(pattern)
+	n.WalkMe(func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			if expression.MatchString(path) {
+				result = append(result, path)
+			}
+		}
+		return nil
+	})
+	sort.Strings(result)
+	return result, nil
+}
+
+// Glob implements FileSystem.
+// Glob returns the list of file paths matching
+// per filepath.Match semantics, i.e. unlike RegExpGlob,
+// Match("foo/a*") will not match sub-sub directories of foo.
+// This is how /bin/ls behaves.
+func (n *fsNode) Glob(pattern string) ([]string, error) {
+	var result []string
+	n.WalkMe(func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			match, err := filepath.Match(pattern, path)
+			if err != nil {
+				return err
+			}
+			if match {
+				result = append(result, path)
+			}
+		}
+		return nil
+	})
+	sort.Strings(result)
+	return result, nil
+}

api/filesys/fsnode_test.go

@@ -0,0 +1,788 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+	"testing"
+)
+
+const content = `
+Lorem ipsum dolor sit amet,
+consectetur adipiscing elit,
+sed do eiusmod tempor incididunt
+ut labore et dolore magna aliqua.
+`
+const shortContent = "hi"
+
+var topCases = []pathCase{
+	{
+		what:   "dotdot",
+		arg:    ParentDir,
+		errStr: "illegal name '..' in file creation",
+	},
+	{
+		what:   "empty",
+		arg:    "",
+		name:   "",
+		errStr: "illegal name '.' in file creation",
+	},
+	{
+		what: "simple",
+		arg:  "bob",
+		name: "bob",
+		path: "bob",
+	},
+	{
+		what: "longer",
+		arg:  filepath.Join("longer", "bob"),
+		name: "bob",
+		path: filepath.Join("longer", "bob"),
+	},
+	{
+		what: "longer yet",
+		arg:  filepath.Join("longer", "foo", "bar", "beans", "bob"),
+		name: "bob",
+		path: filepath.Join("longer", "foo", "bar", "beans", "bob"),
+	},
+	{
+		what: "tricky",
+		arg:  filepath.Join("bob", ParentDir, "sally"),
+		name: "sally",
+		path: "sally",
+	},
+	{
+		what: "trickier",
+		arg:  filepath.Join("bob", "sally", ParentDir, ParentDir, "jean"),
+		name: "jean",
+		path: "jean",
+	},
+}
+
+func TestMakeEmptyDirInMemory(t *testing.T) {
+	n := MakeEmptyDirInMemory()
+	if !n.isNodeADir() {
+		t.Fatalf("not a directory")
+	}
+	if n.Size() != 0 {
+		t.Fatalf("unexpected size %d", n.Size())
+	}
+	if n.Name() != "" {
+		t.Fatalf("unexpected name '%s'", n.Name())
+	}
+	if n.Path() != "" {
+		t.Fatalf("unexpected path '%s'", n.Path())
+	}
+	runBasicOperations(
+		t, "MakeEmptyDirInMemory", false, topCases, n)
+}
+
+func TestMakeFsInMemory(t *testing.T) {
+	runBasicOperations(
+		t, "MakeFsInMemory", true, topCases, MakeFsInMemory())
+}
+
+//nolint:gocyclo
+func runBasicOperations(
+	t *testing.T, tName string, isFSysRooted bool,
+	cases []pathCase, fSys FileSystem) {
+	buff := make([]byte, 500)
+	for _, c := range cases {
+		err := fSys.WriteFile(c.arg, []byte(content))
+		if c.errStr != "" {
+			if err == nil {
+				t.Fatalf("%s; expected error writing to  '%s'!", c.what, c.arg)
+			}
+			if !strings.Contains(err.Error(), c.errStr) {
+				t.Fatalf("%s; expected err containing '%s', got '%v'",
+					c.what, c.errStr, err)
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		if !fSys.Exists(c.path) {
+			t.Fatalf("%s; expect existence of '%s'", c.what, c.path)
+		}
+		stuff, err := fSys.ReadFile(c.path)
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		if string(stuff) != content {
+			t.Fatalf("%s; unexpected content '%s'", c.what, stuff)
+		}
+		f, err := fSys.Open(c.arg)
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		fi, err := f.Stat()
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		if fi.Name() != c.name {
+			t.Fatalf("%s; expected name '%s', got '%s'", c.what, c.name, fi.Name())
+		}
+		count, err := f.Read(buff)
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		if string(buff[:count]) != content {
+			t.Fatalf("%s; unexpected buff '%s'", c.what, buff)
+		}
+		count, err = f.Write([]byte(shortContent))
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		if count != len(shortContent) {
+			t.Fatalf("%s; unexpected count: %d", c.what, len(shortContent))
+		}
+		stuff, err = fSys.ReadFile(c.path)
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		if string(stuff) != shortContent {
+			t.Fatalf("%s; unexpected content '%s'", c.what, stuff)
+		}
+	}
+
+	var actualPaths []string
+	var err error
+	prefix := ""
+	{
+		root := SelfDir
+		if isFSysRooted {
+			root = Separator
+			prefix = Separator
+		}
+		err = fSys.Walk(root, func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				fmt.Printf("err '%v' at path %q\n", err, path)
+				return nil
+			}
+			if !info.IsDir() {
+				actualPaths = append(actualPaths, path)
+			}
+			return nil
+		})
+	}
+	if err != nil {
+		t.Fatalf("unexpected error %v", err)
+	}
+	var expectedPaths []string
+	for _, c := range cases {
+		if c.errStr == "" {
+			expectedPaths = append(expectedPaths, prefix+c.path)
+		}
+	}
+	sort.Strings(expectedPaths)
+	assertEqualStringSlices(t, expectedPaths, actualPaths, tName)
+}
+
+type pathCase struct {
+	what   string
+	arg    string
+	name   string
+	path   string
+	errStr string
+}
+
+func TestAddDir(t *testing.T) {
+	cases := []pathCase{
+		{
+			what:   "dotdot",
+			arg:    ParentDir,
+			errStr: "cannot add a directory above ''",
+		},
+		{
+			what: "empty",
+			arg:  "",
+			name: "",
+			path: "",
+		},
+		{
+			what: "simple",
+			arg:  "bob",
+			name: "bob",
+			path: "bob",
+		},
+		{
+			what: "longer",
+			arg:  filepath.Join("longer", "bob"),
+			name: "bob",
+			path: filepath.Join("longer", "bob"),
+		},
+		{
+			what: "longer yet",
+			arg:  filepath.Join("longer", "foo", "bar", "beans", "bob"),
+			name: "bob",
+			path: filepath.Join("longer", "foo", "bar", "beans", "bob"),
+		},
+		{
+			what: "tricky",
+			arg:  filepath.Join("bob", ParentDir, "sally"),
+			name: "sally",
+			path: "sally",
+		},
+		{
+			what: "trickier",
+			arg:  filepath.Join("bob", "sally", ParentDir, ParentDir, "jean"),
+			name: "jean",
+			path: "jean",
+		},
+	}
+	for _, c := range cases {
+		n := MakeEmptyDirInMemory()
+		f, err := n.AddDir(c.arg)
+		if c.errStr != "" {
+			if err == nil {
+				t.Fatalf("%s; expected error!", c.what)
+			}
+			if !strings.Contains(err.Error(), c.errStr) {
+				t.Fatalf(
+					"%s; expected error with '%s', got '%v'",
+					c.what, c.errStr, err)
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", c.what, err)
+		}
+		checkNode(t, c.what, f, c.name, 0, true, c.path)
+		checkOsStat(t, c.what, f, f.Name(), 0, true)
+	}
+}
+
+var bagOfCases = []pathCase{
+	{
+		what:   "empty",
+		arg:    "",
+		errStr: "illegal name '.' in file creation",
+	},
+	{
+		what: "simple",
+		arg:  "bob",
+		name: "bob",
+		path: "bob",
+	},
+	{
+		what: "longer",
+		arg:  filepath.Join("longer", "bob"),
+		name: "bob",
+		path: filepath.Join("longer", "bob"),
+	},
+	{
+		what: "longer",
+		arg:  filepath.Join("longer", "sally"),
+		name: "sally",
+		path: filepath.Join("longer", "sally"),
+	},
+	{
+		what: "even longer",
+		arg:  filepath.Join("longer", "than", "the", "other", "bob"),
+		name: "bob",
+		path: filepath.Join("longer", "than", "the", "other", "bob"),
+	},
+	{
+		what: "even longer",
+		arg:  filepath.Join("even", "much", "longer", "than", "the", "other", "bob"),
+		name: "bob",
+		path: filepath.Join("even", "much", "longer", "than", "the", "other", "bob"),
+	},
+}
+
+func TestAddFile(t *testing.T) {
+	n := MakeEmptyDirInMemory()
+	if n.FileCount() != 0 {
+		t.Fatalf("expected no files, got %d", n.FileCount())
+	}
+	expectedFileCount := 0
+	for _, c := range bagOfCases {
+		f, err := n.AddFile(c.arg, []byte(content))
+		if c.errStr != "" {
+			if err == nil {
+				t.Fatalf("%s; expected error!", c.what)
+			}
+			if !strings.Contains(err.Error(), c.errStr) {
+				t.Fatalf("%s; expected err containing '%s', got '%v'",
+					c.what, c.errStr, err)
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("%s; unexpected error %v", c.what, err)
+		}
+		checkNode(t, c.what, f, c.name, len(content), false, c.path)
+		checkOsStat(t, c.what, f, f.Name(), len(content), false)
+
+		result, err := n.Find(c.arg)
+		if err != nil {
+			t.Fatalf("%s; unexpected find error %v", c.what, err)
+		}
+		if result != f {
+			t.Fatalf("%s; unexpected find result %v", c.what, result)
+		}
+
+		result, err = n.Find(filepath.Join("longer", "bogus"))
+		if err != nil {
+			t.Fatalf("%s; unexpected find error %v", c.what, err)
+		}
+		if result != nil {
+			t.Fatalf("%s; unexpected find result %v", c.what, result)
+		}
+
+		expectedFileCount++
+		fc := n.FileCount()
+		if fc != expectedFileCount {
+			t.Fatalf("expected file count %d, got %d",
+				expectedFileCount, fc)
+		}
+	}
+}
+
+func checkNode(
+	t *testing.T, what string, f *fsNode, name string,
+	size int, isDir bool, path string) {
+	if f.isNodeADir() != isDir {
+		t.Fatalf("%s; unexpected isNodeADir = %v", what, f.isNodeADir())
+	}
+	if f.Size() != int64(size) {
+		t.Fatalf("%s; unexpected size %d", what, f.Size())
+	}
+	if name != f.Name() {
+		t.Fatalf("%s; expected name '%s', got '%s'", what, name, f.Name())
+	}
+	if path != f.Path() {
+		t.Fatalf("%s; expected path '%s', got '%s'", what, path, f.Path())
+	}
+}
+
+func checkOsStat(
+	t *testing.T, what string, f File, name string,
+	size int, isDir bool) {
+	info, err := f.Stat()
+	if err != nil {
+		t.Fatalf("%s; unexpected stat error %v", what, err)
+	}
+	if info.IsDir() != isDir {
+		t.Fatalf("%s; unexpected info.isNodeADir = %v", what, info.IsDir())
+	}
+	if info.Size() != int64(size) {
+		t.Fatalf("%s; unexpected info.size %d", what, info.Size())
+	}
+	if info.Name() != name {
+		t.Fatalf("%s; expected name '%s', got info.Name '%s'", what, name, info.Name())
+	}
+}
+
+var bunchOfFiles = []struct {
+	path     string
+	addAsDir bool
+}{
+	{
+		path: filepath.Join("b", "e", "a", "c", "g"),
+	},
+	{
+		path: filepath.Join("z", "r", "a", "b", "g"),
+	},
+	{
+		path: filepath.Join("b", "q", "a", "c", "g"),
+	},
+	{
+		path:     filepath.Join("b", "a", "a", "m", "g"),
+		addAsDir: true,
+	},
+	{
+		path: filepath.Join("b", "w"),
+	},
+	{
+		path: filepath.Join("b", "d", "a", "c", "m"),
+	},
+	{
+		path: filepath.Join("b", "d", "z"),
+	},
+	{
+		path: filepath.Join("b", "d", "y"),
+	},
+	{
+		path: filepath.Join("b", "d", "ignore", "c", "n"),
+	},
+	{
+		path: filepath.Join("b", "d", "x"),
+	},
+	{
+		path: filepath.Join("b", "d", "ignore", "c", "o"),
+	},
+	{
+		path: filepath.Join("b", "d", "ignore", "c", "m"),
+	},
+	{
+		path:     filepath.Join("b", "d", "a", "c", "i"),
+		addAsDir: true,
+	},
+	{
+		path: filepath.Join("x"),
+	},
+	{
+		path: filepath.Join("y"),
+	},
+	{
+		path: filepath.Join("b", "d", "a", "c", "i", "beans"),
+	},
+	{
+		path:     filepath.Join("b", "d", "a", "c", "r", "w"),
+		addAsDir: true,
+	},
+	{
+		path: filepath.Join("b", "d", "a", "c", "u"),
+	},
+}
+
+func makeLoadedFileTree(t *testing.T) *fsNode {
+	n := MakeEmptyDirInMemory()
+	var err error
+	expectedFileCount := 0
+	for _, item := range bunchOfFiles {
+		if item.addAsDir {
+			_, err = n.AddDir(item.path)
+		} else {
+			_, err = n.AddFile(item.path, []byte(content))
+			expectedFileCount++
+		}
+		if err != nil {
+			t.Fatalf("unexpected error %v", err)
+		}
+	}
+	fc := n.FileCount()
+	if fc != expectedFileCount {
+		t.Fatalf("expected file count %d, got %d",
+			expectedFileCount, fc)
+	}
+	return n
+}
+
+func TestWalkMe(t *testing.T) {
+	n := makeLoadedFileTree(t)
+	var actualPaths []string
+	err := n.WalkMe(func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			fmt.Printf("err '%v' at path %q\n", err, path)
+			return nil
+		}
+		if info.IsDir() {
+			if info.Name() == "ignore" {
+				return filepath.SkipDir
+			}
+		} else {
+			actualPaths = append(actualPaths, path)
+		}
+		return nil
+	})
+	if err != nil {
+		t.Fatalf("unexpected error %v", err)
+	}
+	var expectedPaths []string
+	for _, c := range bunchOfFiles {
+		if !c.addAsDir && !strings.Contains(c.path, "ignore") {
+			expectedPaths = append(expectedPaths, c.path)
+		}
+	}
+	sort.Strings(expectedPaths)
+	assertEqualStringSlices(t, expectedPaths, actualPaths, "testWalkMe")
+}
+
+func TestRemove(t *testing.T) {
+	n := makeLoadedFileTree(t)
+	orgCount := n.FileCount()
+
+	// Remove the "ignore" directory and everything below it.
+	path := filepath.Join("b", "d", "ignore")
+	result, err := n.Find(path)
+	if err != nil {
+		t.Fatalf("%s; unexpected error %v", path, err)
+	}
+	if result == nil {
+		t.Fatalf("%s; expected to find '%s'", path, path)
+	}
+	if !result.isNodeADir() {
+		t.Fatalf("%s; expected to find a directory", path)
+	}
+	err = result.Remove()
+	if err != nil {
+		t.Fatalf("%s; unable to remove: %v", path, err)
+	}
+	result, err = n.Find(path)
+	if err != nil {
+		// Just because it's gone doesn't mean error.
+		t.Fatalf("%s; unexpected error %v", path, err)
+	}
+	if result != nil {
+		t.Fatalf("%s; should not have been able to find '%s'", path, path)
+	}
+
+	// There were three files below "ignore".
+	orgCount -= 3
+
+	// Now drop one more for a total of four dropped.
+	result, _ = n.Find(filepath.Join("y"))
+	err = result.Remove()
+	if err != nil {
+		t.Fatalf("%s; unable to remove: %v", path, err)
+	}
+	orgCount -= 1
+
+	fc := n.FileCount()
+	if fc != orgCount {
+		t.Fatalf("expected file count %d, got %d",
+			orgCount, fc)
+	}
+}
+
+func TestExists(t *testing.T) {
+	n := makeLoadedFileTree(t)
+	path := filepath.Join("b", "d", "a")
+	if !n.Exists(path) {
+		t.Fatalf("expected existence at %s", path)
+	}
+	if !n.IsDir(path) {
+		t.Fatalf("expected directory at %s", path)
+	}
+}
+
+func TestRegExpGlob(t *testing.T) {
+	n := makeLoadedFileTree(t)
+	expected := []string{
+		filepath.Join("b", "d", "a", "c", "i", "beans"),
+		filepath.Join("b", "d", "a", "c", "m"),
+		filepath.Join("b", "d", "a", "c", "u"),
+		filepath.Join("b", "d", "ignore", "c", "m"),
+		filepath.Join("b", "d", "ignore", "c", "n"),
+		filepath.Join("b", "d", "ignore", "c", "o"),
+		filepath.Join("b", "d", "x"),
+		filepath.Join("b", "d", "y"),
+		filepath.Join("b", "d", "z"),
+	}
+	paths, err := n.RegExpGlob("b/d/*")
+	if err != nil {
+		t.Fatalf("glob error: %v", err)
+	}
+	assertEqualStringSlices(t, expected, paths, "glob test")
+}
+
+func TestGlob(t *testing.T) {
+	n := makeLoadedFileTree(t)
+	expected := []string{
+		filepath.Join("b", "d", "x"),
+		filepath.Join("b", "d", "y"),
+		filepath.Join("b", "d", "z"),
+	}
+	paths, err := n.Glob("b/d/*")
+	if err != nil {
+		t.Fatalf("glob error: %v", err)
+	}
+	assertEqualStringSlices(t, expected, paths, "glob test")
+}
+
+func assertEqualStringSlices(t *testing.T, expected, actual []string, message string) {
+	if len(expected) != len(actual) {
+		t.Fatalf(
+			"%s; unequal sizes; len(expected)=%d, len(actual)=%d\n%+v\n%+v\n",
+			message, len(expected), len(actual), expected, actual)
+	}
+	for i := range expected {
+		if expected[i] != actual[i] {
+			t.Fatalf(
+				"%s; unequal entries; expected=%s, actual=%s",
+				message, expected[i], actual[i])
+		}
+	}
+}
+
+func TestFind(t *testing.T) {
+	cases := []struct {
+		what       string
+		arg        string
+		expectDir  bool
+		expectFile bool
+		errStr     string
+	}{
+		{
+			what: "garbage",
+			arg:  "///1(*&SA",
+		},
+		{
+			what: "simple",
+			arg:  "bob",
+		},
+		{
+			what: "no directory",
+			arg:  filepath.Join("b", "rrrrrr"),
+		},
+		{
+			what:      "is a directory",
+			arg:       filepath.Join("b", "d", "ignore"),
+			expectDir: true,
+		},
+		{
+			what:       "longer, ending in file",
+			arg:        filepath.Join("b", "d", "x"),
+			expectFile: true,
+		},
+		{
+			what:       "moar longer, ending in file",
+			arg:        filepath.Join("b", "d", "a", "c", "u"),
+			expectFile: true,
+		},
+		{
+			what:      "directory",
+			arg:       filepath.Join("b"),
+			expectDir: true,
+		},
+		{
+			// Querying for the empty string could
+			// 1) be an error,
+			// 2) return no result (and no error) as with
+			//    any illegal and therefore non-existent
+			//    file name,
+			// 3) return the node itself, like running
+			//    'ls' with no argument.
+			// Going with option 2 (no result, no error),
+			// since at this low level it makes more sense
+			// if the results for the empty string query
+			// differ from the results for the "." query.
+			what: "empty name",
+			arg:  "",
+		},
+		{
+			what:      "self dir",
+			arg:       SelfDir,
+			expectDir: true,
+		},
+		{
+			what: "parent dir - doesn't exist",
+			arg:  ParentDir,
+		},
+		{
+			what: "many parents - doesn't exist",
+			arg:  filepath.Join(ParentDir, ParentDir, ParentDir),
+		},
+	}
+
+	n := makeLoadedFileTree(t)
+	for _, item := range cases {
+		result, err := n.Find(item.arg)
+		if item.errStr != "" {
+			if err == nil {
+				t.Fatalf("%s; expected error", item.what)
+			}
+			if !strings.Contains(err.Error(), item.errStr) {
+				t.Fatalf("%s; expected err containing '%s', got '%v'",
+					item.what, item.errStr, err)
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", item.what, err)
+		}
+		if result == nil {
+			if item.expectDir {
+				t.Fatalf(
+					"%s; expected to find directory '%s'", item.what, item.arg)
+			}
+			if item.expectFile {
+				t.Fatalf(
+					"%s; expected to find file '%s'", item.what, item.arg)
+			}
+			continue
+		}
+		if item.expectDir {
+			if !result.isNodeADir() {
+				t.Fatalf(
+					"%s; expected '%s' to be a directory", item.what, item.arg)
+			}
+			continue
+		}
+		if item.expectFile {
+			if result.isNodeADir() {
+				t.Fatalf("%s; expected '%s' to be a file", item.what, item.arg)
+			}
+			continue
+		}
+		t.Fatalf(
+			"%s; expected nothing for '%s', but got '%s'",
+			item.what, item.arg, result.Path())
+	}
+}
+
+func TestCleanedAbs(t *testing.T) {
+	cases := []struct {
+		what   string
+		full   string
+		cDir   string
+		name   string
+		errStr string
+	}{
+		{
+			what:   "empty",
+			full:   "",
+			errStr: "doesn't exist",
+		},
+		{
+			what:   "simple",
+			full:   "bob",
+			errStr: "'bob' doesn't exist",
+		},
+		{
+			what:   "no directory",
+			full:   filepath.Join("b", "rrrrrr"),
+			errStr: "'b/rrrrrr' doesn't exist",
+		},
+		{
+			what: "longer, ending in file",
+			full: filepath.Join("b", "d", "x"),
+			cDir: filepath.Join("b", "d"),
+			name: "x",
+		},
+		{
+			what: "moar longer, ending in file",
+			full: filepath.Join("b", "d", "a", "c", "u"),
+			cDir: filepath.Join("b", "d", "a", "c"),
+			name: "u",
+		},
+		{
+			what: "directory",
+			full: filepath.Join("b", "d"),
+			cDir: filepath.Join("b", "d"),
+			name: "",
+		},
+	}
+
+	n := makeLoadedFileTree(t)
+	for _, item := range cases {
+		cDir, name, err := n.CleanedAbs(item.full)
+		if item.errStr != "" {
+			if err == nil {
+				t.Fatalf("%s; expected error", item.what)
+			}
+			if !strings.Contains(err.Error(), item.errStr) {
+				t.Fatalf("%s; expected err containing '%s', got '%v'",
+					item.what, item.errStr, err)
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("%s; unexpected error: %v", item.what, err)
+		}
+		if cDir != ConfirmedDir(item.cDir) {
+			t.Fatalf("%s; expected cDir=%s, got '%s'", item.what, item.cDir, cDir)
+		}
+		if name != item.name {
+			t.Fatalf("%s; expected name=%s, got '%s'", item.what, item.name, name)
+		}
+	}
+}

api/filesys/rpath.go

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

api/filesys/util.go

@@ -0,0 +1,30 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package filesys
+
+import "path/filepath"
+
+// RootedPath returns a rooted path, e.g. "/foo/bar" as
+// opposed to "foo/bar".
+func RootedPath(elem ...string) string {
+	return Separator + filepath.Join(elem...)
+}
+
+// StripTrailingSeps trims trailing filepath separators from input.
+func StripTrailingSeps(s string) string {
+	k := len(s)
+	for k > 0 && s[k-1] == filepath.Separator {
+		k--
+	}
+	return s[:k]
+}
+
+// StripLeadingSeps trims leading filepath separators from input.
+func StripLeadingSeps(s string) string {
+	k := 0
+	for k < len(s) && s[k] == filepath.Separator {
+		k++
+	}
+	return s[k:]
+}

api/filesys/util_test.go

@@ -0,0 +1,205 @@
+package filesys_test
+
+import (
+	"path/filepath"
+	"testing"
+
+	. "sigs.k8s.io/kustomize/api/filesys"
+)
+
+// Confirm behavior of filepath.Match
+func TestFilePathMatch(t *testing.T) {
+	cases := []struct {
+		pattern  string
+		path     string
+		expected bool
+	}{
+		{
+			pattern:  "*e*",
+			path:     "hey",
+			expected: true,
+		},
+		{
+			pattern:  "*e*",
+			path:     "hay",
+			expected: false,
+		},
+		{
+			pattern:  "*e*",
+			path:     filepath.Join("h", "e", "y"),
+			expected: false,
+		},
+		{
+			pattern:  "*/e/*",
+			path:     filepath.Join("h", "e", "y"),
+			expected: true,
+		},
+		{
+			pattern:  "h/e/*",
+			path:     filepath.Join("h", "e", "y"),
+			expected: true,
+		},
+		{
+			pattern:  "*/e/y",
+			path:     filepath.Join("h", "e", "y"),
+			expected: true,
+		},
+		{
+			pattern:  "*/*/*",
+			path:     filepath.Join("h", "e", "y"),
+			expected: true,
+		},
+		{
+			pattern:  "*/*/*",
+			path:     filepath.Join("h", "e", "y", "there"),
+			expected: false,
+		},
+		{
+			pattern:  "*/*/*/t*e",
+			path:     filepath.Join("h", "e", "y", "there"),
+			expected: true,
+		},
+	}
+	for _, item := range cases {
+		match, err := filepath.Match(item.pattern, item.path)
+		if err != nil {
+			t.Fatalf("unexpected err: %v", err)
+		}
+		if match != item.expected {
+			t.Fatalf("'%s' '%s' %v\n", item.pattern, item.path, match)
+		}
+	}
+}
+
+// Confirm behavior of filepath.Split
+func TestFilePathSplit(t *testing.T) {
+	cases := []struct {
+		full string
+		dir  string
+		file string
+	}{
+		{
+			full: "",
+			dir:  "",
+			file: "",
+		},
+		{
+			full: SelfDir,
+			dir:  "",
+			file: SelfDir,
+		},
+		{
+			full: "rabbit.jpg",
+			dir:  "",
+			file: "rabbit.jpg",
+		},
+		{
+			full: "/beans",
+			dir:  "/",
+			file: "beans",
+		},
+		{
+			full: "/home/foo/bar",
+			dir:  "/home/foo/",
+			file: "bar",
+		},
+		{
+			full: "/usr/local/",
+			dir:  "/usr/local/",
+			file: "",
+		},
+		{
+			full: "/usr//local//go",
+			dir:  "/usr//local//",
+			file: "go",
+		},
+	}
+	for _, p := range cases {
+		dir, file := filepath.Split(p.full)
+		if dir != p.dir || file != p.file {
+			t.Fatalf(
+				"in '%s',\ngot dir='%s' (expected '%s'),\n got file='%s' (expected %s).",
+				p.full, dir, p.dir, file, p.file)
+		}
+	}
+}
+
+func TestStripTrailingSeps(t *testing.T) {
+	cases := []struct {
+		full string
+		rem  string
+	}{
+		{
+			full: "foo",
+			rem:  "foo",
+		},
+		{
+			full: "",
+			rem:  "",
+		},
+		{
+			full: "foo/",
+			rem:  "foo",
+		},
+		{
+			full: "foo///bar///",
+			rem:  "foo///bar",
+		},
+		{
+			full: "/////",
+			rem:  "",
+		},
+		{
+			full: "/",
+			rem:  "",
+		},
+	}
+	for _, p := range cases {
+		dir := StripTrailingSeps(p.full)
+		if dir != p.rem {
+			t.Fatalf(
+				"in '%s', got dir='%s' (expected '%s')",
+				p.full, dir, p.rem)
+		}
+	}
+}
+
+func TestStripLeadingSeps(t *testing.T) {
+	cases := []struct {
+		full string
+		rem  string
+	}{
+		{
+			full: "foo",
+			rem:  "foo",
+		},
+		{
+			full: "",
+			rem:  "",
+		},
+		{
+			full: "/foo",
+			rem:  "foo",
+		},
+		{
+			full: "///foo///bar///",
+			rem:  "foo///bar///",
+		},
+		{
+			full: "/////",
+			rem:  "",
+		},
+		{
+			full: "/",
+			rem:  "",
+		},
+	}
+	for _, p := range cases {
+		dir := StripLeadingSeps(p.full)
+		if dir != p.rem {
+			t.Fatalf(
+				"in '%s', got dir='%s' (expected '%s')",
+				p.full, dir, p.rem)
+		}
+	}
+}

api/go.mod

@@ -5,17 +5,13 @@ go 1.13
 require (
 	github.com/evanphx/json-patch v4.5.0+incompatible
 	github.com/go-openapi/spec v0.19.4
-	github.com/golang/protobuf v1.3.2 // indirect
+	github.com/golangci/golangci-lint v1.21.0
+	github.com/monopole/mdrip v1.0.0
 	github.com/pkg/errors v0.8.1
-	github.com/spf13/pflag v1.0.5
-	github.com/stretchr/testify v1.4.0 // indirect
-	golang.org/x/net v0.0.0-20190923162816-aa69164e4478 // indirect
-	golang.org/x/sys v0.0.0-20190922100055-0a153f010e69 // indirect
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	golang.org/x/tools v0.0.0-20191010075000-0337d82405ff
 	gopkg.in/yaml.v2 v2.2.4
-	k8s.io/api v0.0.0-20191016225839-816a9b7df678
-	k8s.io/apimachinery v0.0.0-20191020214737-6c8691705fc5
-	k8s.io/client-go v11.0.0+incompatible
-	k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d
+	k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a
+	sigs.k8s.io/kustomize/pluginator/v2 v2.0.0
+	sigs.k8s.io/kustomize/pseudo/k8s v0.1.0
 	sigs.k8s.io/yaml v1.1.0
 )

api/go.sum

@@ -1,25 +1,75 @@
+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=
+github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
+github.com/Azure/go-autorest/autorest v0.9.2/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/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
+github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
+github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
+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/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
+github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
+github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/OpenPeeDeeP/depguard v1.0.1 h1:VlW4R6jmBIv3/u1JNlawEvJMM4J+dPORPaZasQee8Us=
+github.com/OpenPeeDeeP/depguard v1.0.1/go.mod h1:xsIw86fROiiwelg+jB2uM9PiKihMMmUx/1V+TNhjQvM=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
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+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bombsimon/wsl v1.2.5 h1:9gTOkIwVtoDZywvX802SDHokeX4kW1cKnV8ZTVAPkRs=
+github.com/bombsimon/wsl v1.2.5/go.mod h1:43lEF/i0kpXbLCeDXL9LMT8c92HyBywXb0AsgMHYngM=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
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-github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633 h1:H2pdYOb3KQ1/YsqVWoWNLQO+fusocsw354rqGTZtAgw=
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+github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/go-critic/go-critic v0.3.5-0.20190904082202-d79a9f0c64db h1:GYXWx7Vr3+zv833u+8IoXbNnQY0AdXsxAgI0kX7xcwA=
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+github.com/go-lintpack/lintpack v0.5.2/go.mod h1:NwZuYi2nUHho8XEIZ6SIxihrnPoqBTDqfpXvXAN0sXM=
+github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
+github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
 github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+35s3my2LFTysnkMfxsJBAMHj/DoqoB9knIWoYG/Vk0=
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 github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w=
@@ -34,41 +84,168 @@ github.com/go-openapi/swag v0.0.0-20160704191624-1d0bd113de87/go.mod h1:DXUve3Dp
 github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
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-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/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/go-toolsmith/astcast v1.0.0 h1:JojxlmI6STnFVG9yOImLeGREv8W2ocNUM+iOhR6jE7g=
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 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-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=
-k8s.io/api v0.0.0-20191016225839-816a9b7df678 h1:z/0BV/tMBIvdwZvqBH/f7TWjQX9y3dj1nMNhrSK0h/8=
-k8s.io/api v0.0.0-20191016225839-816a9b7df678/go.mod h1:LZQaT8MvVpl7Bg2lYFcQm7+Mpdxq8p1NFl3yh+5DCwY=
-k8s.io/apimachinery v0.0.0-20191016225534-b1267f8c42b4/go.mod h1:92mWDd8Ji2sw2157KIgino5wCxffA8KSvhW2oY4ypdw=
-k8s.io/apimachinery v0.0.0-20191020214737-6c8691705fc5 h1:r3/YL3+t1U46lJF5zUSArskUpnLyWuM28rQDpM1qQPI=
-k8s.io/apimachinery v0.0.0-20191020214737-6c8691705fc5/go.mod h1:92mWDd8Ji2sw2157KIgino5wCxffA8KSvhW2oY4ypdw=
-k8s.io/client-go v11.0.0+incompatible h1:LBbX2+lOwY9flffWlJM7f1Ct8V2SRNiMRDFeiwnJo9o=
-k8s.io/client-go v11.0.0+incompatible/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
 k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
+k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
 k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
-k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
-k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d h1:Xpe6sK+RY4ZgCTyZ3y273UmFmURhjtoJiwOMbQsXitY=
-k8s.io/kube-openapi v0.0.0-20190918143330-0270cf2f1c1d/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a h1:UcxjrRMyNx/i/y8G7kPvLyy7rfbeuf1PYyBf973pgyU=
+k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
+k8s.io/utils v0.0.0-20191030222137-2b95a09bc58d/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed h1:WX1yoOaKQfddO/mLzdV4wptyWgoH/6hwLs7QHTixo0I=
+mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
+mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphDJbHOQO1DFFFTeBo=
+mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
+mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f h1:Cq7MalBHYACRd6EesksG1Q8EoIAKOsiZviGKbOLIej4=
+mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZIVpwbkw+04kSxk3rAtzlimaUJw=
+sigs.k8s.io/kustomize/api v0.2.0/go.mod h1:zVtMg179jW1gr74jo9fc2Ac9dLYLTZZThc3DDb9lDW4=
+sigs.k8s.io/kustomize/pluginator/v2 v2.0.0 h1:sES7e09G19Q0VjRp4ATSYKpTXoWaX8WMSHfw6u3G2Ok=
+sigs.k8s.io/kustomize/pluginator/v2 v2.0.0/go.mod h1:zrXhTv8BAKt0egmZX/8AtMOSFUSWM9YuoHvvqz8/eHE=
+sigs.k8s.io/kustomize/pseudo/k8s v0.0.0-20191108212413-1f86a0ca5d6c h1:t7fk+ljA3Ru4pro+/0RuOAZcODDhByL1fvIdyHLhjTY=
+sigs.k8s.io/kustomize/pseudo/k8s v0.0.0-20191108212413-1f86a0ca5d6c/go.mod h1:bl/gVJgYYhJZCZdYU2BfnaKYAlqFkgbJEkpl302jEss=
+sigs.k8s.io/kustomize/pseudo/k8s v0.1.0 h1:otg4dLFc03c3gzl+2CV8GPGcd1kk8wjXwD+UhhcCn5I=
+sigs.k8s.io/kustomize/pseudo/k8s v0.1.0/go.mod h1:bl/gVJgYYhJZCZdYU2BfnaKYAlqFkgbJEkpl302jEss=
 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=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4 h1:JPJh2pk3+X4lXAkZIk2RuE/7/FoK9maXw+TNPJhVS/c=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

api/internal/accumulator/loadconfigfromcrds.go

@@ -10,8 +10,9 @@ import (
 	"github.com/go-openapi/spec"
 	"github.com/pkg/errors"
 	"k8s.io/kube-openapi/pkg/common"
+	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/ifc"
-	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
@@ -78,7 +79,7 @@ func makeConfigFromApiMap(m nameToApiMap) (*builtinconfig.TransformerConfig, err
 // openAPI definition once
 // "x-kubernetes-group-version-kind" is available in CRD
 func makeGvkFromTypeName(n string) resid.Gvk {
-	names := strings.Split(n, ".")
+	names := strings.Split(n, filesys.SelfDir)
 	kind := names[len(names)-1]
 	return resid.Gvk{Kind: kind}
 }
@@ -93,10 +94,7 @@ func looksLikeAk8sType(properties myProperties) bool {
 		return false
 	}
 	_, ok = properties["metadata"]
-	if !ok {
-		return false
-	}
-	return true
+	return ok
 }
 
 const (

api/internal/accumulator/loadconfigfromcrds_test.go

@@ -7,10 +7,11 @@ import (
 	"reflect"
 	"testing"
 
-	"sigs.k8s.io/kustomize/api/ifc"
+	"sigs.k8s.io/kustomize/api/filesys"
+	"sigs.k8s.io/kustomize/api/loader"
+
 	. "sigs.k8s.io/kustomize/api/internal/accumulator"
-	"sigs.k8s.io/kustomize/api/internal/loadertest"
-	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/types"
 )
@@ -41,7 +42,7 @@ More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#ty
 					"type": "string"
 				},
 				"metadata": {
-					"$ref": "k8s.io/apimachinery/pkg/apis/meta/v1.ObjectMeta"
+					"$ref": "sigs.k8s.io/kustomize/pseudo/k8s/apimachinery/pkg/apis/meta/v1.ObjectMeta"
 				},
 				"spec": {
 					"$ref": "github.com/example/pkg/apis/jingfang/v1beta1.BeeSpec"
@@ -54,7 +55,7 @@ More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#ty
 		"Dependencies": [
 			"github.com/example/pkg/apis/jingfang/v1beta1.BeeSpec",
 			"github.com/example/pkg/apis/jingfang/v1beta1.BeeStatus",
-			"k8s.io/apimachinery/pkg/apis/meta/v1.ObjectMeta"
+			"sigs.k8s.io/kustomize/pseudo/k8s/apimachinery/pkg/apis/meta/v1.ObjectMeta"
 		]
 	},
 	"github.com/example/pkg/apis/jingfang/v1beta1.BeeSpec": {
@@ -86,7 +87,7 @@ In CamelCase. More info: https://git.k8s.io/community/contributors/devel/api-con
 					"type": "string"
 				},
 				"metadata": {
-					"$ref": "k8s.io/apimachinery/pkg/apis/meta/v1.ObjectMeta"
+					"$ref": "sigs.k8s.io/kustomize/pseudo/k8s/apimachinery/pkg/apis/meta/v1.ObjectMeta"
 				},
 				"spec": {
 					"$ref": "github.com/example/pkg/apis/jingfang/v1beta1.MyKindSpec"
@@ -99,7 +100,7 @@ In CamelCase. More info: https://git.k8s.io/community/contributors/devel/api-con
 		"Dependencies": [
 			"github.com/example/pkg/apis/jingfang/v1beta1.MyKindSpec",
 			"github.com/example/pkg/apis/jingfang/v1beta1.MyKindStatus",
-			"k8s.io/apimachinery/pkg/apis/meta/v1.ObjectMeta"
+			"sigs.k8s.io/kustomize/pseudo/k8s/apimachinery/pkg/apis/meta/v1.ObjectMeta"
 		]
 	},
 	"github.com/example/pkg/apis/jingfang/v1beta1.MyKindSpec": {
@@ -116,13 +117,13 @@ In CamelCase. More info: https://git.k8s.io/community/contributors/devel/api-con
 If it is not set we generate a secret dynamically",
 					"x-kubernetes-object-ref-api-version": "v1",
 					"x-kubernetes-object-ref-kind": "Secret",
-					"$ref": "k8s.io/api/core/v1.LocalObjectReference"
+					"$ref": "sigs.k8s.io/kustomize/pseudo/k8s/api/core/v1.LocalObjectReference"
 				}
 			}
 		},
 		"Dependencies": [
 			"github.com/example/pkg/apis/jingfang/v1beta1.Bee",
-			"k8s.io/api/core/v1.LocalObjectReference"
+			"sigs.k8s.io/kustomize/pseudo/k8s/api/core/v1.LocalObjectReference"
 		]
 	},
 	"github.com/example/pkg/apis/jingfang/v1beta1.MyKindStatus": {
@@ -135,15 +136,6 @@ If it is not set we generate a secret dynamically",
 `
 )
 
-func makeLoader(t *testing.T) ifc.Loader {
-	ldr := loadertest.NewFakeLoader("/testpath")
-	err := ldr.AddFile("/testpath/crd.json", []byte(crdContent))
-	if err != nil {
-		t.Fatalf("Failed to setup fake ldr.")
-	}
-	return ldr
-}
-
 func TestLoadCRDs(t *testing.T) {
 	nbrs := []builtinconfig.NameBackReferences{
 		{
@@ -172,7 +164,14 @@ func TestLoadCRDs(t *testing.T) {
 		NameReference: nbrs,
 	}
 
-	actualTc, err := LoadConfigFromCRDs(makeLoader(t), []string{"crd.json"})
+	fSys := filesys.MakeFsInMemory()
+	fSys.WriteFile("/testpath/crd.json", []byte(crdContent))
+	ldr, err := loader.NewLoader(loader.RestrictionRootOnly, "/testpath", fSys)
+	if err != nil {
+		t.Fatalf("unexpected error:%v", err)
+	}
+
+	actualTc, err := LoadConfigFromCRDs(ldr, []string{"crd.json"})
 	if err != nil {
 		t.Fatalf("unexpected error:%v", err)
 	}

api/internal/accumulator/namereferencetransformer.go

@@ -7,7 +7,7 @@ import (
 	"fmt"
 	"log"
 
-	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
@@ -212,31 +212,27 @@ func (o *nameReferenceTransformer) getNewNameFunc(
 	target resid.Gvk,
 	referralCandidates resmap.ResMap) func(in interface{}) (interface{}, error) {
 	return func(in interface{}) (interface{}, error) {
-		switch in.(type) {
+		switch thing := in.(type) {
 		case string:
-			oldName, _ := in.(string)
-			return o.getSimpleNameField(oldName, referrer, target,
+			return o.getSimpleNameField(thing, referrer, target,
 				referralCandidates, referralCandidates.Resources())
 		case map[string]interface{}:
 			// Kind: ValidatingWebhookConfiguration
 			// FieldSpec is webhooks/clientConfig/service
-			oldMap, _ := in.(map[string]interface{})
-			return o.getNameAndNsStruct(oldMap, referrer, target,
+			return o.getNameAndNsStruct(thing, referrer, target,
 				referralCandidates)
 		case []interface{}:
-			l, _ := in.([]interface{})
-			for idx, item := range l {
-				switch item.(type) {
+			for idx, item := range thing {
+				switch value := item.(type) {
 				case string:
 					// Kind: Role/ClusterRole
 					// FieldSpec is rules.resourceNames
-					oldName, _ := item.(string)
-					newName, err := o.getSimpleNameField(oldName, referrer, target,
+					newName, err := o.getSimpleNameField(value, referrer, target,
 						referralCandidates, referralCandidates.Resources())
 					if err != nil {
 						return nil, err
 					}
-					l[idx] = newName
+					thing[idx] = newName
 				case map[string]interface{}:
 					// Kind: RoleBinding/ClusterRoleBinding
 					// FieldSpec is subjects
@@ -245,13 +241,12 @@ func (o *nameReferenceTransformer) getNewNameFunc(
 					// what get mutatefield to request the mapping of the whole
 					// map containing namespace and name instead of just a simple
 					// string field containing the name
-					oldMap, _ := item.(map[string]interface{})
-					newMap, err := o.getNameAndNsStruct(oldMap, referrer, target,
+					newMap, err := o.getNameAndNsStruct(value, referrer, target,
 						referralCandidates)
 					if err != nil {
 						return nil, err
 					}
-					l[idx] = newMap
+					thing[idx] = newMap
 				default:
 					return nil, fmt.Errorf(
 						"%#v is expected to be either a []string or a []map[string]interface{}", in)

api/internal/accumulator/namereferencetransformer_test.go

@@ -7,12 +7,12 @@ import (
 	"strings"
 	"testing"
 
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
-	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
-	"sigs.k8s.io/kustomize/api/testutils/resmaptest"
+	resmaptest_test "sigs.k8s.io/kustomize/api/testutils/resmaptest"
 )
 
 func TestNameReferenceHappyRun(t *testing.T) {

api/internal/accumulator/refvartransformer.go

@@ -70,6 +70,9 @@ func (rv *refVarTransformer) replaceVars(in interface{}) (interface{}, error) {
 		// This field can potentially contain a $(VAR) since it is
 		// of string type.
 		return expansion2.Expand(s, rv.mappingFunc), nil
+	// staticcheck erroneously claims that `case nil`
+	// is unreachable here, so suppressing it.
+	//nolint:staticcheck
 	case nil:
 		return nil, nil
 	default:

api/internal/accumulator/refvartransformer_test.go

@@ -11,7 +11,7 @@ import (
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
-	"sigs.k8s.io/kustomize/api/testutils/resmaptest"
+	resmaptest_test "sigs.k8s.io/kustomize/api/testutils/resmaptest"
 	"sigs.k8s.io/kustomize/api/types"
 )
 

api/internal/accumulator/resaccumulator.go

@@ -8,7 +8,7 @@ import (
 	"log"
 	"strings"
 
-	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"

api/internal/accumulator/resaccumulator_test.go

@@ -11,12 +11,12 @@ import (
 	"testing"
 
 	. "sigs.k8s.io/kustomize/api/internal/accumulator"
+	"sigs.k8s.io/kustomize/api/internal/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
-	"sigs.k8s.io/kustomize/api/plugins/builtinconfig"
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
-	"sigs.k8s.io/kustomize/api/testutils/resmaptest"
+	resmaptest_test "sigs.k8s.io/kustomize/api/testutils/resmaptest"
 	"sigs.k8s.io/kustomize/api/types"
 )
 

api/internal/crawl/backend/search_backend.go

@@ -13,7 +13,7 @@ import (
 	"github.com/gorilla/mux"
 	"github.com/rs/cors"
 
-	"sigs.k8s.io/kustomize/internal/tools/index"
+	"sigs.k8s.io/kustomize/api/internal/crawl/index"
 )
 
 type kustomizeSearch struct {

api/internal/crawl/cmd/backend/Dockerfile

@@ -2,11 +2,11 @@ FROM golang:1.11 AS build
 
 ARG GO111MODULE=on
 
-WORKDIR /go/src/sigs.k8s.io/kustomize/internal/tools
-COPY . /go/src/sigs.k8s.io/kustomize/internal/tools
+WORKDIR /go/src/sigs.k8s.io/kustomize/api/internal/crawl
+COPY . /go/src/sigs.k8s.io/kustomize/api/internal/crawl
 
 RUN go mod download
-RUN CGO_ENABLED=0 go install sigs.k8s.io/kustomize/internal/tools/cmd/backend/
+RUN CGO_ENABLED=0 go install sigs.k8s.io/kustomize/api/internal/crawl/cmd/backend/
 
 FROM scratch
 COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/

api/internal/crawl/cmd/backend/main.go

@@ -4,9 +4,8 @@ import (
 	"context"
 	"log"
 	"os"
+	server "sigs.k8s.io/kustomize/api/internal/crawl/backend"
 	"strconv"
-
-	"sigs.k8s.io/kustomize/internal/tools/backend"
 )
 
 func main() {

api/internal/crawl/cmd/crawler/Dockerfile

@@ -0,0 +1,15 @@
+FROM golang:1.11 AS build
+
+ARG GO111MODULE=on
+
+WORKDIR /go/src/sigs.k8s.io/kustomize/api/internal/crawl
+COPY . /go/src/sigs.k8s.io/kustomize//api/internal/crawl
+
+RUN go mod download
+RUN CGO_ENABLED=0 go install -v ./cmd/crawler/crawler.go
+
+FROM scratch
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=build /go/bin/crawler /
+ENTRYPOINT ["/crawler"]
+CMD []

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

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os"
+	"time"
+
+	"sigs.k8s.io/kustomize/api/internal/crawl/crawler"
+	"sigs.k8s.io/kustomize/api/internal/crawl/crawler/github"
+	"sigs.k8s.io/kustomize/api/internal/crawl/doc"
+	"sigs.k8s.io/kustomize/api/internal/crawl/httpclient"
+	"sigs.k8s.io/kustomize/api/internal/crawl/index"
+
+	"github.com/gomodule/redigo/redis"
+)
+
+const (
+	githubAccessTokenVar = "GITHUB_ACCESS_TOKEN"
+	redisCacheURL        = "REDIS_CACHE_URL"
+	redisKeyURL          = "REDIS_KEY_URL"
+	retryCount           = 3
+)
+
+func main() {
+	githubToken := os.Getenv(githubAccessTokenVar)
+	if githubToken == "" {
+		fmt.Printf("Must set the variable '%s' to make github requests.\n",
+			githubAccessTokenVar)
+		return
+	}
+
+	ctx := context.Background()
+	idx, err := index.NewKustomizeIndex(ctx)
+	if err != nil {
+		fmt.Printf("Could not create an index: %v\n", err)
+		return
+	}
+
+	cacheURL := os.Getenv(redisCacheURL)
+
+	query := []byte(`{ "query":{ "match_all":{} } }`)
+	it := idx.IterateQuery(query, 10000, 60*time.Second)
+	docs := make(crawler.CrawlSeed, 0)
+	for it.Next() {
+		for _, hit := range it.Value().Hits.Hits {
+			docs = append(docs, hit.Document.Copy())
+		}
+	}
+
+	if err := it.Err(); err != nil {
+		fmt.Printf("Error iterating: %v\n", err)
+	}
+
+	cache, err := redis.DialURL(cacheURL)
+	clientCache := &http.Client{}
+	if err != nil {
+		fmt.Printf("Error: redis could not make a connection: %v\n", err)
+	} else {
+		clientCache = httpclient.NewClient(cache)
+	}
+
+	ghCrawler := github.NewCrawler(githubToken, retryCount, clientCache,
+		github.QueryWith(
+			github.Filename("kustomization.yaml"),
+			github.Filename("kustomization.yml")),
+	)
+
+	crawler.CrawlFromSeed(ctx, docs, []crawler.Crawler{ghCrawler},
+		// Converter takes in a plain document and processes it for the
+		// index.
+		func(d *doc.Document) (crawler.CrawledDocument, error) {
+			kdoc := doc.KustomizationDocument{
+				Document: *d,
+			}
+
+			err := kdoc.ParseYAML()
+			return &kdoc, err
+		},
+		// IndexFunc updates the value in the index.
+		func(cdoc crawler.CrawledDocument, crwlr crawler.Crawler) error {
+			switch d := cdoc.(type) {
+			case *doc.KustomizationDocument:
+				fmt.Println("Inserting: ", d.ID(), d)
+				_, err := idx.Put(d.ID(), d)
+				return err
+			default:
+				return fmt.Errorf("type %T not supported", d)
+			}
+		},
+	)
+}

api/internal/crawl/config/crawler/base/github_api_secret.txt

@@ -0,0 +1,2 @@
+<ADD YOUR GITHUB PERSONAL ACCESS TOKEN HERE WITHOUT A TRAILING NEWLINE>
+Run: printf "<your-token>" > github_api_secret.txt

api/internal/crawl/config/crawler/base/kustomization.yaml

@@ -5,7 +5,9 @@ configmapGenerator:
 - name: crawler-http-cache
   literals:
   - redis-cache-url="redis://redis-http-cache:6379"
-
+- name: redis-keystore
+  literals:
+  - keystore-url="redis://redis-docs-keystore:6379"
 
 secretGenerator:
 - name: github-access-token

api/internal/crawl/config/crawler/cronjob/cronjob.yaml

@@ -12,6 +12,7 @@ spec:
           containers:
           - name: crawler
             image: gcr.io/kustomize-search/crawler:latest
+            imagePullPolicy: Always
             env:
             - name: GITHUB_ACCESS_TOKEN
               valueFrom:

api/internal/crawl/config/crawler/job/job.yaml

@@ -9,6 +9,7 @@ spec:
       containers:
       - name: crawler
         image: gcr.io/kustomize-search/crawler:latest
+        imagePullPolicy: Always
         env:
         - name: GITHUB_ACCESS_TOKEN
           valueFrom:

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

@@ -0,0 +1,43 @@
+apiVersion: elasticsearch.cloud.google.com/v1alpha1
+kind: ESCluster
+metadata:
+  name: esbasic
+spec:
+  plugin:
+   pluginList:
+    - repository-gcs
+    - ingest-user-agent
+    - ingest-geoip
+  config:
+    env:
+      example: test
+  nodegroups:
+    - name: di
+      replicas: 2
+      data: true
+      ingest: true
+      config:
+        jvm:
+          - Djava.net.preferIPv4Stack=true
+          - Xms2g
+          - Xmx2g
+        es:
+          path.repo: '["/tmp/es_backup_basic"]'
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - topologyKey: kubernetes.io/hostname
+            labelSelector:
+              matchLabels:
+                es/nodegroup: di
+      resources:
+        requests:
+          memory: 3Gi
+        limits:
+          memory: 3Gi
+    - name: m
+      replicas: 2
+      master: true
+      config:
+        es:
+          path.repo: '["/tmp/es_backup_basic"]'

api/internal/crawl/config/webapp/backend/deployment.yaml

@@ -17,14 +17,11 @@ spec:
       containers:
       - name: kustomize-search
         image: gcr.io/kustomize-search/backend:latest
+        imagePullPolicy: Always
         livenessProbe:
           httpGet:
             path: /liveness
             port: backend-port
-        readinessProbe:
-          httpGet:
-            path: /readiness
-            port: backend-port
         ports:
         - name: backend-port
           containerPort: 8080

api/internal/crawl/config/webapp/frontend/deployment.yaml

@@ -17,6 +17,7 @@ spec:
       containers:
       - name: frontend
         image: gcr.io/kustomize-search/frontend:latest
+        imagePullPolicy: Always
         ports:
         - name: frontend-port
           containerPort: 80

api/internal/crawl/crawler/crawler.go

@@ -12,7 +12,7 @@ import (
 
 	_ "github.com/gomodule/redigo/redis"
 
-	"sigs.k8s.io/kustomize/internal/tools/doc"
+	"sigs.k8s.io/kustomize/api/internal/crawl/doc"
 )
 
 var (
@@ -102,11 +102,9 @@ func CrawlFromSeed(ctx context.Context, seed CrawlSeed,
 	}
 
 	doCrawl := func(docsPtr *CrawlSeed) {
-		for len(*docsPtr) > 0 {
-			back := len(*docsPtr) - 1
-			next := (*docsPtr)[back]
-			*docsPtr = (*docsPtr)[:back]
-
+		n := len(*docsPtr)
+		for i := 0; i < n; i++ {
+			next := (*docsPtr)[i]
 			match := findMatch(next)
 			if match == nil {
 				logIfErr(fmt.Errorf(
@@ -114,24 +112,28 @@ func CrawlFromSeed(ctx context.Context, seed CrawlSeed,
 				continue
 			}
 
+			logger.Println("Crawling ", next.RepositoryURL, next.FilePath)
 			err := match.FetchDocument(ctx, next)
 			logIfErr(err)
 			// If there was no change or there is an error, we don't have
 			// to branch out, since the dependencies are already in the
 			// index, or we cannot find the document.
 			if err != nil || next.WasCached() {
+				if next.WasCached() {
+					logger.Println(next.RepositoryURL, next.FilePath, "is cached already")
+				}
 				continue
 			}
 
+			logIfErr(match.SetCreated(ctx, next))
+
 			cdoc, err := conv(next)
 			logIfErr(err)
-			if err != nil {
-				continue
-			}
 
 			addBranches(cdoc, match)
 		}
 	}
+
 	// Exploit seed to update bulk of corpus.
 	logger.Printf("updating %d documents from seed\n", len(seed))
 	doCrawl(&seed)
@@ -189,7 +191,7 @@ func CrawlFromSeed(ctx context.Context, seed CrawlSeed,
 // CRunner takes in a seed, which represents the documents stored in an
 // index somewhere. The document data is not required to be populated. If there
 // are many documents, this is preferable. The order of iteration over the seed
-// is not garanteed, but the CRunner does guarantee that every element
+// is not guaranteed, but the CRunner does guarantee that every element
 // from the seed will be processed before any other documents from the
 // crawlers.
 func CRunner(ctx context.Context,
@@ -208,8 +210,8 @@ func CRunner(ctx context.Context,
 		// the main output channel.
 		go func(docs <-chan CrawledDocument) {
 			defer wg.Done()
-			for doc := range docs {
-				output <- doc
+			for d := range docs {
+				output <- d
 			}
 		}(docs)
 

api/internal/crawl/crawler/crawler_test.go

@@ -11,8 +11,8 @@ import (
 	"testing"
 	"time"
 
-	"sigs.k8s.io/kustomize/internal/tools/doc"
-	"sigs.k8s.io/kustomize/api/pgmconfig"
+	"sigs.k8s.io/kustomize/api/internal/crawl/doc"
+	"sigs.k8s.io/kustomize/api/konfig"
 )
 
 const (
@@ -29,15 +29,15 @@ type testCrawler struct {
 }
 
 func (c testCrawler) Match(d *doc.Document) bool {
-	return d != nil && strings.HasPrefix(d.ID(), c.matchPrefix)
+	return d != nil
 }
 
-func (c testCrawler) FetchDocument(ctx context.Context, d *doc.Document) error {
+func (c testCrawler) FetchDocument(_ context.Context, d *doc.Document) error {
 	if i, ok := c.lukp[d.ID()]; ok {
 		d.DocumentData = c.docs[i].DocumentData
 		return nil
 	}
-	for _, suffix := range pgmconfig.KustomizationFileNames {
+	for _, suffix := range konfig.RecognizedKustomizationFileNames() {
 		fmt.Println(d.ID(), "/", suffix)
 		i, ok := c.lukp[d.ID()+"/"+suffix]
 		if !ok {
@@ -51,7 +51,7 @@ func (c testCrawler) FetchDocument(ctx context.Context, d *doc.Document) error {
 		d, c.matchPrefix)
 }
 
-func (c testCrawler) SetCreated(ctx context.Context, d *doc.Document) error {
+func (c testCrawler) SetCreated(_ context.Context, d *doc.Document) error {
 	d.CreationTime = &time.Time{}
 	return nil
 }
@@ -71,12 +71,12 @@ func newCrawler(matchPrefix string, err error,
 }
 
 // Crawl implements the Crawler interface for testing.
-func (c testCrawler) Crawl(ctx context.Context,
+func (c testCrawler) Crawl(_ context.Context,
 	output chan<- CrawledDocument) error {
 
 	for i, d := range c.docs {
 		isResource := true
-		for _, suffix := range pgmconfig.KustomizationFileNames {
+		for _, suffix := range konfig.RecognizedKustomizationFileNames() {
 			if strings.HasSuffix(d.FilePath, suffix) {
 				isResource = false
 				break
@@ -339,7 +339,7 @@ resources:
 				}, nil
 			},
 			func(d CrawledDocument, cr Crawler) error {
-				visited[ID()]++
+				visited[d.ID()]++
 				return nil
 			},
 		)

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

@@ -16,11 +16,11 @@ import (
 	"strings"
 	"time"
 
-	"sigs.k8s.io/kustomize/internal/tools/crawler"
-	"sigs.k8s.io/kustomize/internal/tools/doc"
-	"sigs.k8s.io/kustomize/internal/tools/httpclient"
-	"sigs.k8s.io/kustomize/api/git"
-	"sigs.k8s.io/kustomize/api/pgmconfig"
+	"sigs.k8s.io/kustomize/api/internal/crawl/crawler"
+	"sigs.k8s.io/kustomize/api/internal/crawl/doc"
+	"sigs.k8s.io/kustomize/api/internal/crawl/httpclient"
+	"sigs.k8s.io/kustomize/api/internal/git"
+	"sigs.k8s.io/kustomize/api/konfig"
 )
 
 var logger = log.New(os.Stdout, "Github Crawler: ",
@@ -34,11 +34,11 @@ type githubCrawler struct {
 
 type GhClient struct {
 	RequestConfig
-	retryCount uint64
-	client     *http.Client
+	retryCount  uint64
+	client      *http.Client
+	accessToken string
 }
 
-/*
 func NewCrawler(accessToken string, retryCount uint64, client *http.Client,
 	query Query) githubCrawler {
 
@@ -47,14 +47,13 @@ func NewCrawler(accessToken string, retryCount uint64, client *http.Client,
 			retryCount: retryCount,
 			client:     client,
 			RequestConfig: RequestConfig{
-				perPage:     githubMaxPageSize,
-				accessToken: accessToken,
+				perPage: githubMaxPageSize,
 			},
+			accessToken: accessToken,
 		},
 		query: query,
 	}
 }
-*/
 
 // Implements crawler.Crawler.
 func (gc githubCrawler) Crawl(
@@ -64,6 +63,7 @@ func (gc githubCrawler) Crawl(
 		RequestConfig: gc.client.RequestConfig,
 		client:        &http.Client{Timeout: gc.client.client.Timeout},
 		retryCount:    gc.client.retryCount,
+		accessToken:   gc.client.accessToken,
 	}
 
 	// Since Github returns a max of 1000 results per query, we can use
@@ -93,7 +93,7 @@ func (gc githubCrawler) Crawl(
 	return nil
 }
 
-func (gc githubCrawler) FetchDocument(ctx context.Context, d *doc.Document) error {
+func (gc githubCrawler) FetchDocument(_ context.Context, d *doc.Document) error {
 	repoURL := d.RepositoryURL + "/" + d.FilePath + "?ref=" + d.DefaultBranch
 	repoSpec, err := git.NewRepoSpecFromUrl(repoURL)
 	if err != nil {
@@ -122,19 +122,23 @@ func (gc githubCrawler) FetchDocument(ctx context.Context, d *doc.Document) erro
 		return nil
 	}
 
-	for _, file := range pgmconfig.RecognizedKustomizationFileNames() {
+	for _, file := range konfig.RecognizedKustomizationFileNames() {
 		resp, err = gc.client.GetRawUserContent(url + "/" + file)
 		err := handle(resp, err, "/"+file)
 		if err != nil {
 			continue
 		}
 	}
-	return fmt.Errorf("file not found: %s", url)
+	return fmt.Errorf("file not found: %s, error: %v", url, err)
 }
 
-func (gc githubCrawler) SetCreated(ctx context.Context, d *doc.Document) error {
-	fs := GhFileSpec{}
-	fs.Repository.FullName = d.RepositoryURL + "/" + d.FilePath
+func (gc githubCrawler) SetCreated(_ context.Context, d *doc.Document) error {
+	fs := GhFileSpec{
+		Path: d.FilePath,
+		Repository: GitRepository{
+			FullName: d.RepositoryFullName(),
+		},
+	}
 	creationTime, err := gc.client.GetFileCreationTime(fs)
 	if err != nil {
 		return err
@@ -185,11 +189,13 @@ func processQuery(ctx context.Context, gcl GhClient, query string,
 		for _, file := range page.Parsed.Items {
 			k, err := kustomizationResultAdapter(gcl, file)
 			if err != nil {
+				logger.Printf("kustomizationResultAdapter failed: %v", err)
 				errs = append(errs, err)
 				errorCnt++
-				continue
 			}
-			output <- k
+			if k != nil {
+				output <- k
+			}
 			totalCnt++
 		}
 
@@ -208,11 +214,6 @@ func kustomizationResultAdapter(gcl GhClient, k GhFileSpec) (
 		return nil, err
 	}
 
-	if err != nil {
-		logger.Printf(
-			"(error: %v) initializing to current time.\n", err)
-	}
-
 	url := gcl.ReposRequest(k.Repository.FullName)
 	defaultBranch, err := gcl.GetDefaultBranch(url)
 	if err != nil {
@@ -221,7 +222,7 @@ func kustomizationResultAdapter(gcl GhClient, k GhFileSpec) (
 		defaultBranch = "master"
 	}
 
-	doc := doc.KustomizationDocument{
+	d := doc.KustomizationDocument{
 		Document: doc.Document{
 			DocumentData:  string(data),
 			FilePath:      k.Path,
@@ -229,8 +230,20 @@ func kustomizationResultAdapter(gcl GhClient, k GhFileSpec) (
 			RepositoryURL: k.Repository.URL,
 		},
 	}
+	logger.Printf("Set the creationTime field")
+	creationTime, err := gcl.GetFileCreationTime(k)
+	if err != nil {
+		logger.Printf("GetFileCreationTime failed: %v", err)
+		return &d, err
+	}
+	d.CreationTime = &creationTime
 
-	return &doc, nil
+	if err := d.ParseYAML(); err != nil {
+		logger.Printf("ParseYAML failed: %v", err)
+		return &d, err
+	}
+
+	return &d, nil
 }
 
 // ForwardPaginatedQuery follows the links to the next pages and performs all of
@@ -415,13 +428,15 @@ func (e multiError) Error() string {
 	return strings.Join(strs, "\n")
 }
 
+type GitRepository struct {
+	API      string `json:"url,omitempty"`
+	URL      string `json:"html_url,omitempty"`
+	FullName string `json:"full_name,omitempty"`
+}
+
 type GhFileSpec struct {
-	Path       string `json:"path,omitempty"`
-	Repository struct {
-		API      string `json:"url,omitempty"`
-		URL      string `json:"html_url,omitempty"`
-		FullName string `json:"full_name,omitempty"`
-	} `json:"repository,omitempty"`
+	Path       string        `json:"path,omitempty"`
+	Repository GitRepository `json:"repository,omitempty"`
 }
 
 type githubResponse struct {
@@ -539,10 +554,20 @@ func (gcl GhClient) GetRawUserContent(query string) (*http.Response, error) {
 	return gcl.getWithRetry(query)
 }
 
+func (gcl GhClient) Do(query string) (*http.Response, error) {
+	req, err := http.NewRequest("GET", query, nil)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Add("Authorization", fmt.Sprintf("token %s", gcl.accessToken))
+	return gcl.client.Do(req)
+}
+
 func (gcl GhClient) getWithRetry(
 	query string) (resp *http.Response, err error) {
 
-	resp, err = gcl.client.Get(query)
+	resp, err = gcl.Do(query)
+
 	retryCount := gcl.retryCount
 
 	for err == nil &&
@@ -561,7 +586,7 @@ func (gcl GhClient) getWithRetry(
 		logger.Printf("waiting %d seconds before retrying\n", i)
 		time.Sleep(time.Second * time.Duration(i))
 		retryCount--
-		resp, err = gcl.client.Get(query)
+		resp, err = gcl.Do(query)
 	}
 
 	if err != nil {

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

@@ -7,12 +7,11 @@ import (
 )
 
 const (
-	perPageArg     = "per_page"
-	accessTokenArg = "access_token"
-
-	githubMaxPageSize = 100
+	perPageArg = "per_page"
 )
 
+const githubMaxPageSize = 100
+
 // Implementation detail, not important to external API.
 type queryField struct {
 	name  string
@@ -98,15 +97,7 @@ func Path(p string) queryField {
 // - CommitsRequests: asks Github to list commits made one a file. Useful to
 // determine the date of a file.
 type RequestConfig struct {
-	perPage     uint64
-	accessToken string
-}
-
-func NewRequestConfig(perPage uint64, accessToken string) RequestConfig {
-	return RequestConfig{
-		perPage:     perPage,
-		accessToken: accessToken,
-	}
+	perPage uint64
 }
 
 // CodeSearchRequestWith given a list of query parameters that specify the
@@ -141,9 +132,6 @@ func (rc RequestConfig) CommitsRequest(fullRepoName, path string) string {
 
 func (rc RequestConfig) makeRequest(path string, query Query) request {
 	vals := url.Values{}
-	if rc.accessToken != "" {
-		vals.Set(accessTokenArg, rc.accessToken)
-	}
 	vals.Set(perPageArg, fmt.Sprint(rc.perPage))
 
 	return request{
@@ -185,7 +173,7 @@ func (r request) URL() string {
 	if encoded == "" && query != "" {
 		sep = "?"
 	}
-	r.url.RawQuery = encoded + sep + query
+	r.url.RawQuery = query + sep + encoded
 	return r.url.String()
 }
 

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

@@ -68,8 +68,7 @@ func TestQueryType(t *testing.T) {
 
 func TestGithubSearchQuery(t *testing.T) {
 	const (
-		accessToken = "random_token"
-		perPage     = 100
+		perPage = 100
 	)
 
 	testCases := []struct {
@@ -83,8 +82,7 @@ func TestGithubSearchQuery(t *testing.T) {
 	}{
 		{
 			rc: RequestConfig{
-				perPage:     perPage,
-				accessToken: accessToken,
+				perPage: perPage,
 			},
 			codeQuery: Query{
 				Filename("kustomization.yaml"),
@@ -94,13 +92,13 @@ func TestGithubSearchQuery(t *testing.T) {
 			path:         "examples/helloWorld/kustomization.yaml",
 
 			expectedCodeQuery: "https://api.github.com/search/code?" +
-				"access_token=random_token&order=desc&per_page=100&sort=indexed&q=filename:kustomization.yaml+size:64..128",
+				"q=filename:kustomization.yaml+size:64..128&order=desc&per_page=100&sort=indexed",
 
 			expectedContentsQuery: "https://api.github.com/repos/kubernetes-sigs/kustomize/contents/" +
-				"examples/helloWorld/kustomization.yaml?access_token=random_token&per_page=100",
+				"examples/helloWorld/kustomization.yaml?per_page=100",
 
 			expectedCommitsQuery: "https://api.github.com/repos/kubernetes-sigs/kustomize/commits?" +
-				"access_token=random_token&per_page=100&q=path:examples/helloWorld/kustomization.yaml",
+				"q=path:examples/helloWorld/kustomization.yaml&per_page=100",
 		},
 	}
 

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

@@ -20,7 +20,7 @@ func (c testCachedSearch) CountResults(upperBound uint64) (uint64, error) {
 }
 
 func (c testCachedSearch) RequestString(filesize rangeFormatter) string {
-	return RangeString()
+	return filesize.RangeString()
 }
 
 // TODO(damienr74) make tests easier to write.. I'm thinking I can make the test

api/internal/crawl/doc/doc.go

@@ -4,14 +4,13 @@ import (
 	"fmt"
 	"strings"
 
-	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
-	"sigs.k8s.io/kustomize/api/pgmconfig"
+	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
 
-var fileReader ifc.KunstructuredFactory = kunstruct.NewKunstructuredFactoryImpl()
+var fileReader = kunstruct.NewKunstructuredFactoryImpl()
 
 // This document is meant to be used at the elasticsearch document type.
 // Fields are serialized as-is to elasticsearch, where indices are built
@@ -44,10 +43,16 @@ type KustomizationDocument struct {
 
 type set map[string]struct{}
 
+func (doc *KustomizationDocument) String() string {
+	return fmt.Sprintf("%s %s %s %v %v %v len(identifiers):%v  len(values):%v",
+		doc.RepositoryURL, doc.FilePath, doc.DefaultBranch, doc.CreationTime,
+		doc.IsSame,	doc.Kinds, len(doc.Identifiers), len(doc.Values))
+}
+
 // Implements the CrawlerDocument interface.
 func (doc *KustomizationDocument) GetResources() ([]*Document, error) {
 	isResource := true
-	for _, suffix := range pgmconfig.RecognizedKustomizationFileNames() {
+	for _, suffix := range konfig.RecognizedKustomizationFileNames() {
 		if strings.HasSuffix(doc.FilePath, "/"+suffix) {
 			isResource = false
 		}
@@ -86,7 +91,7 @@ func (doc *KustomizationDocument) GetResources() ([]*Document, error) {
 func (doc *KustomizationDocument) readBytes() ([]map[string]interface{}, error) {
 	data := []byte(doc.DocumentData)
 
-	for _, suffix := range pgmconfig.RecognizedKustomizationFileNames() {
+	for _, suffix := range konfig.RecognizedKustomizationFileNames() {
 		if !strings.HasSuffix(doc.FilePath, "/"+suffix) {
 			continue
 		}
@@ -118,6 +123,8 @@ func (doc *KustomizationDocument) ParseYAML() error {
 
 	identifierSet := make(set)
 	valueSet := make(set)
+	kindSet := make(set)
+
 	getKind := func(m map[string]interface{}) string {
 		const defaultStr = "Kustomization"
 		kind, ok := m["kind"]
@@ -136,10 +143,14 @@ func (doc *KustomizationDocument) ParseYAML() error {
 	}
 
 	for _, contents := range ks {
-		doc.Kinds = append(doc.Kinds, getKind(contents))
+		kindSet[getKind(contents)] = struct{}{}
 		createFlatStructure(identifierSet, valueSet, contents)
 	}
 
+	for val := range kindSet {
+		doc.Kinds = append(doc.Kinds, val)
+	}
+
 	for val := range valueSet {
 		doc.Values = append(doc.Values, val)
 	}

api/internal/crawl/doc/doc_test.go

@@ -121,6 +121,38 @@ metadata:
 kind: Custom
 metadata:
   name: app-crd
+`,
+		},
+		{
+			identifiers: []string{
+				"kind",
+				"metadata",
+				"metadata:name",
+			},
+			values: []string{
+				"kind=Deployment",
+				"kind=Service",
+				"metadata:name=app1",
+				"metadata:name=app2",
+			},
+			kinds: []string{
+				"Deployment",
+				"Service",
+			},
+			filepath: "resources.yaml",
+			yaml: `
+---
+kind: Deployment
+metadata:
+  name: app1
+---
+kind: Deployment
+metadata:
+  name: app2
+---
+kind: Service
+metadata:
+  name: app1
 `,
 		},
 	}

api/internal/crawl/doc/docname.go

@@ -1,10 +1,13 @@
 package doc
 
 import (
+	"crypto/sha256"
+	"fmt"
 	"path"
+	"strings"
 	"time"
 
-	"sigs.k8s.io/kustomize/api/git"
+	"sigs.k8s.io/kustomize/api/internal/git"
 )
 
 type Document struct {
@@ -21,6 +24,17 @@ func (doc *Document) GetDocument() *Document {
 	return doc
 }
 
+func (doc *Document) Copy() *Document {
+	return &Document{
+		RepositoryURL: doc.RepositoryURL,
+		FilePath:      doc.FilePath,
+		DefaultBranch: doc.DefaultBranch,
+		DocumentData:  doc.DocumentData,
+		CreationTime:  doc.CreationTime,
+		IsSame:        doc.IsSame,
+	}
+}
+
 // Implements the CrawlerDocument interface.
 func (doc *Document) WasCached() bool {
 	return doc.IsSame
@@ -53,6 +67,22 @@ func (doc *Document) FromRelativePath(newFile string) (Document, error) {
 }
 
 func (doc *Document) ID() string {
-	return doc.RepositoryURL + "/" +
-		doc.DefaultBranch + "/" + doc.FilePath
+	sum := sha256.Sum256([]byte(strings.Join(
+		[]string{
+			doc.RepositoryURL,
+			doc.DefaultBranch,
+			doc.FilePath,
+		},
+		"---|---")))
+	return fmt.Sprintf("%x", sum)
+}
+
+func (doc *Document) RepositoryFullName() string {
+	doc.RepositoryURL = strings.TrimRight(doc.RepositoryURL, "/")
+	sections := strings.Split(doc.RepositoryURL, "/")
+	l := len(sections)
+	if l < 2 {
+		return doc.RepositoryURL
+	}
+	return path.Join(sections[l-2], sections[l-1])
 }

api/internal/crawl/doc/docname_test.go

@@ -62,3 +62,44 @@ func TestFromRelativePath(t *testing.T) {
 		}
 	}
 }
+
+func TestDocument_RepositoryFullName(t *testing.T) {
+	testCases := []struct {
+		doc Document
+		expectedRepositoryFullName string
+	}{
+		{
+			doc: Document{
+				RepositoryURL: "https://github.com/user/repo",
+			},
+			expectedRepositoryFullName: "user/repo",
+		},
+		{
+			doc: Document{
+				RepositoryURL: "https://github.com//user/repo////",
+			},
+			expectedRepositoryFullName: "user/repo",
+		},
+		{
+			doc: Document{
+				RepositoryURL: "repo/",
+			},
+			expectedRepositoryFullName: "repo",
+		},
+		{
+			doc: Document{
+				RepositoryURL: "",
+			},
+			expectedRepositoryFullName: "",
+		},
+	}
+
+	for _, tc := range testCases {
+		returnedRepositoryFullName := tc.doc.RepositoryFullName()
+		if returnedRepositoryFullName != tc.expectedRepositoryFullName {
+			t.Errorf("RepositoryFullName expected %s, got %s",
+				tc.expectedRepositoryFullName,
+				returnedRepositoryFullName)
+		}
+	}
+}

api/internal/crawl/go.mod

@@ -0,0 +1,13 @@
+module sigs.k8s.io/kustomize/api/internal/crawl
+
+go 1.13
+
+require (
+	github.com/elastic/go-elasticsearch/v6 v6.8.2
+	github.com/gomodule/redigo v2.0.0+incompatible
+	github.com/gorilla/mux v1.7.3
+	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79
+	github.com/rs/cors v1.7.0
+	sigs.k8s.io/kustomize/api v0.2.0
+	sigs.k8s.io/yaml v1.1.0
+)

api/internal/crawl/go.sum

@@ -0,0 +1,393 @@
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api/internal/crawl/index/elasticsearch.go

@@ -13,6 +13,40 @@ import (
 	"github.com/elastic/go-elasticsearch/v6/esapi"
 )
 
+const IndexConfig = `
+{
+	"mappings": {
+		"_doc": {
+			"properties": {
+				"repositoryUrl": {
+					"type": "keyword"
+				},
+				"filePath": {
+					"type": "keyword"
+				},
+				"defaultBranch": {
+					"type": "keyword"
+				},
+				"document": {
+					"type": "text"
+				},
+				"creationTime": {
+					"type": "date"
+				},
+				"kinds": {
+					"type": "text"
+				},
+				"identifiers": {
+					"type": "text"
+				},
+				"values": {
+					"type": "text"
+				}
+			}
+		}
+	}
+}`
+
 // TODO(damienr74) Split index into reader and writer?
 type index struct {
 	ctx    context.Context
@@ -118,21 +152,19 @@ func (idx *index) UpdateSetting(settings []byte) error {
 		res, err, ignoreResponseBody)
 }
 
-// Create an index providing both the mappings and the settings.
-func (idx *index) CreateIndex(mappings []byte, settings []byte) error {
-	request := byteJoin(`{ "mappings":`, mappings, `, "settings":`, settings, `}`)
+// Create an index providing the config for both the mappings and the settings.
+func (idx *index) CreateIndex(config []byte) error {
 	op := idx.client.Indices.Create
 	res, err := op(
 		idx.name,
-		op.WithBody(bytes.NewReader(request)),
+		op.WithBody(bytes.NewReader(config)),
 		op.WithContext(idx.ctx),
 		op.WithHuman(),
 		op.WithPretty(),
-		op.WithIncludeTypeName(true),
 	)
 
 	return idx.responseErrorOrNil(
-		fmt.Sprintf("could not create index with config '%s'", request),
+		fmt.Sprintf("could not create index with config '%s'", config),
 		res, err, ignoreResponseBody)
 }
 

api/internal/crawl/index/kustomize.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 	"time"
 
-	"sigs.k8s.io/kustomize/internal/tools/doc"
+	"sigs.k8s.io/kustomize/api/internal/crawl/doc"
 )
 
 const (
@@ -96,6 +96,24 @@ func NewKustomizeIndex(ctx context.Context) (*KustomizeIndex, error) {
 	if err != nil {
 		return nil, err
 	}
+
+	indicesExistsOp := idx.client.Indices.Exists
+	resp, err := indicesExistsOp([]string{"kustomize"},
+		indicesExistsOp.WithContext(idx.ctx),
+		indicesExistsOp.WithPretty())
+	if err != nil {
+		return nil, err
+	}
+
+	if resp.StatusCode == 200 {
+		fmt.Printf("The kustomize index already exists\n")
+	} else {
+		fmt.Printf("Creating the kustomize index\n")
+		if err := idx.CreateIndex([]byte(IndexConfig)); err != nil {
+			return nil, err
+		}
+	}
+
 	return &KustomizeIndex{idx}, nil
 }