Merge pull request #763 from Liujingfang1/kversion

allow apiVersion and Kind to be empty or specific values

.gitignore

@@ -4,9 +4,16 @@
 *.dll
 *.so
 *.dylib
+kustomize
 
 # Test binary, build with `go test -c`
 *.test
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+
+# We use sed -i.bak when doing in-line replace, because it works better cross-platform
+.bak
+
+# macOS
+*.DS_store

.golangci.yml

@@ -0,0 +1,30 @@
+run:
+  deadline: 5m
+
+linters:
+  disable-all: true
+  enable:
+    - dupl
+    - goconst
+    - gocyclo
+    - gofmt
+    - golint
+    - govet
+    - ineffassign
+    - interfacer
+    - lll
+    - misspell
+    - nakedret
+    - structcheck
+    - unparam
+    - varcheck
+
+linters-settings:
+  dupl:
+    threshold: 400 
+  lll:   
+    line-length: 170
+  gocyclo:
+    min-complexity: 15
+  golint:
+    min-confidence: 0.85

.travis.yml

@@ -1,20 +1,25 @@
 language: go
 
 go:
-  - 1.10.x
+  - 1.11.x
 
-# go_import_path: k8s.io/kubectl
+go_import_path: sigs.k8s.io/kustomize
+
+# Maybe, maybe not.
+# sudo: false
+
+# Only clone the most recent commit.
+git:
+  depth: 1
+
+env:
+- GOLANGCI_RELEASE="v1.10.2"
 
 before_install:
   - source ./bin/consider-early-travis-exit.sh
   - sudo apt-get install tree
-  - go get -u github.com/opennota/check/cmd/varcheck
-  - go get -u github.com/golang/lint/golint
-  - go get -u golang.org/x/tools/cmd/goimports
-  - go get -u github.com/onsi/ginkgo/ginkgo
+  - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $GOPATH/bin ${GOLANGCI_RELEASE}
   - go get -u github.com/monopole/mdrip
-  - go get -u github.com/fzipp/gocyclo
-  - go get -u gopkg.in/alecthomas/gometalinter.v2 && gometalinter.v2 --install
 
 # Install must be set to prevent default `go get` to run.
 # The dependencies have already been vendored by `dep` so

CONTRIBUTING.md

@@ -0,0 +1,22 @@
+# Contributing Guidelines
+
+Welcome to Kubernetes. We are excited about the prospect of you joining our [community](https://github.com/kubernetes/community)! The Kubernetes community abides by the CNCF [code of conduct](code-of-conduct.md). Here is an excerpt:
+
+_As contributors and maintainers of this project, and in the interest of fostering an open and welcoming community, we pledge to respect all people who contribute through reporting issues, posting feature requests, updating documentation, submitting pull requests or patches, and other activities._
+
+## Getting Started
+
+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
+
+## Mentorship
+
+- [Mentoring Initiatives](https://git.k8s.io/community/mentoring) - We have a diverse set of mentorship programs available that are always looking for volunteers!
+
+## Contact Information
+
+- [Slack channel](https://kubernetes.slack.com/messages/sig-cli)
+- [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-cli)

Gopkg.lock

@@ -2,165 +2,109 @@
 
 
 [[projects]]
-  digest = "1:8e47871087b94913898333f37af26732faaab30cdb41571136cf7aec9921dae7"
+  digest = "1:d8ebbd207f3d3266d4423ce4860c9f3794956306ded6c7ba312ecc69cdfbf04c"
   name = "github.com/PuerkitoBio/purell"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "0bcb03f4b4d0a9428594752bd2a3b9aa0a9d4bd4"
   version = "v1.1.0"
 
 [[projects]]
   branch = "master"
-  digest = "1:331a419049c2be691e5ba1d24342fc77c7e767a80c666a18fd8a9f7b82419c1c"
+  digest = "1:8098cd40cd09879efbf12e33bcd51ead4a66006ac802cd563a66c4f3373b9727"
   name = "github.com/PuerkitoBio/urlesc"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "de5bf2ad457846296e2031421a34e2568e304e35"
 
 [[projects]]
-  digest = "1:9299ad32dcec0f92ad06773f73426bd46a21efa96f6a8138c287bb185933e77e"
-  name = "github.com/aws/aws-sdk-go"
-  packages = [
-    "aws",
-    "aws/awserr",
-    "aws/awsutil",
-    "aws/client",
-    "aws/client/metadata",
-    "aws/corehandlers",
-    "aws/credentials",
-    "aws/credentials/ec2rolecreds",
-    "aws/credentials/endpointcreds",
-    "aws/credentials/stscreds",
-    "aws/csm",
-    "aws/defaults",
-    "aws/ec2metadata",
-    "aws/endpoints",
-    "aws/request",
-    "aws/session",
-    "aws/signer/v4",
-    "internal/sdkio",
-    "internal/sdkrand",
-    "internal/sdkuri",
-    "internal/shareddefaults",
-    "private/protocol",
-    "private/protocol/eventstream",
-    "private/protocol/eventstream/eventstreamapi",
-    "private/protocol/query",
-    "private/protocol/query/queryutil",
-    "private/protocol/rest",
-    "private/protocol/restxml",
-    "private/protocol/xml/xmlutil",
-    "service/s3",
-    "service/sts",
-  ]
-  pruneopts = ""
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-  version = "v1.15.12"
-
-[[projects]]
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-
-[[projects]]
-  digest = "1:56c130d885a4aacae1dd9c7b71cfe39912c7ebc1ff7d2b46083c8812996dc43b"
+  digest = "1:a2c1d0e43bd3baaa071d1b9ed72c27d78169b2b269f71c105ac4ba34b1be4a39"
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   packages = ["spew"]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "346938d642f2ec3594ed81d874461961cd0faa76"
   version = "v1.1.0"
 
 [[projects]]
-  digest = "1:971e9ba63a417c5f1f83ab358677bc59e96ff04285f26c6646ff089fb60b15e8"
+  digest = "1:f8e6f07329067bc182633dcb19a3df53ce5d454b551e1b5a1cac2163748648d9"
   name = "github.com/emicklei/go-restful"
   packages = [
     ".",
     "log",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "3658237ded108b4134956c1b3050349d93e7b895"
   version = "v2.7.1"
 
 [[projects]]
-  digest = "1:dcefbadf4534c5ecac8573698fba6e6e601157bfa8f96aafe29df31ae582ef2a"
+  digest = "1:ad32dc29f37281bacb5dcedff17c9461dc1739dc8a5f63a71ab491c6e92edf8d"
   name = "github.com/evanphx/json-patch"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
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   version = "v3.0.0"
 
 [[projects]]
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   name = "github.com/ghodss/yaml"
   packages = ["."]
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+  pruneopts = "NUT"
   revision = "0ca9ea5df5451ffdf184b4428c902747c2c11cd7"
   version = "v1.0.0"
 
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-  pruneopts = ""
-  revision = "358ee7663966325963d4e8b2e1fbd570c5195153"
-  version = "v1.38.1"
-
 [[projects]]
   branch = "master"
-  digest = "1:e116a4866bffeec941056a1fcfd37e520fad1ee60e4e3579719f19a43c392e10"
+  digest = "1:260f7ebefc63024c8dfe2c9f1a2935a89fa4213637a1f522f592f80c001cc441"
   name = "github.com/go-openapi/jsonpointer"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "3a0015ad55fa9873f41605d3e8f28cd279c32ab2"
 
 [[projects]]
   branch = "master"
-  digest = "1:3830527ef0f4f9b268d9286661c0f52f9115f8aefd9f45ee7352516f93489ac9"
+  digest = "1:98abd61947ff5c7c6fcfec5473d02a4821ed3a2dd99a4fbfdb7925b0dd745546"
   name = "github.com/go-openapi/jsonreference"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "3fb327e6747da3043567ee86abd02bb6376b6be2"
 
 [[projects]]
   branch = "master"
-  digest = "1:238a056875c4b053b4b29984765ee335bf8c539fdf17e527fd9b7aa72521c8dd"
+  digest = "1:e95b560c49fb849a61957a5fb3346ce23b3f67426e00e01179e5396cabc9a12c"
   name = "github.com/go-openapi/spec"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
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 [[projects]]
   branch = "master"
-  digest = "1:7b067ca8b94982960860d18c42e29f15bbd0e8d9ae8145a83a218296e75393cf"
+  digest = "1:a610c604eb06f0be4b0fc667388b7a221155d77d7f9089f70ac142a4a9daf014"
   name = "github.com/go-openapi/swag"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
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 [[projects]]
-  digest = "1:0a3f6a0c68ab8f3d455f8892295503b179e571b7fefe47cc6c556405d1f83411"
+  digest = "1:1b3dd24f14a5280710fc7a3aa2480b6e4d20fdfc905841de9a3aa2aa2f1d4ee9"
   name = "github.com/gogo/protobuf"
   packages = [
     "proto",
     "sortkeys",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "1adfc126b41513cc696b209667c8656ea7aac67c"
   version = "v1.0.0"
 
 [[projects]]
   branch = "master"
-  digest = "1:107b233e45174dbab5b1324201d092ea9448e58243ab9f039e4c0f332e121e3a"
+  digest = "1:e2b86e41f3d669fc36b50d31d32d22c8ac656c75aa5ea89717ce7177e134ff2a"
   name = "github.com/golang/glog"
   packages = ["."]
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+  pruneopts = "NUT"
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 [[projects]]
-  digest = "1:f958a1c137db276e52f0b50efee41a1a389dcdded59a69711f3e872757dab34b"
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   name = "github.com/golang/protobuf"
   packages = [
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@@ -169,184 +113,113 @@
     "ptypes/duration",
     "ptypes/timestamp",
   ]
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+  pruneopts = "NUT"
   revision = "b4deda0973fb4c70b50d226b1af49f3da59f5265"
   version = "v1.1.0"
 
 [[projects]]
   branch = "master"
-  digest = "1:754f77e9c839b24778a4b64422236d38515301d2baeb63113aa3edc42e6af692"
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   name = "github.com/google/gofuzz"
   packages = ["."]
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 [[projects]]
-  digest = "1:2a131706ff80636629ab6373f2944569b8252ecc018cda8040931b05d32e3c16"
+  digest = "1:3d7c1446fc5c710351b246c0dc6700fae843ca27f5294d0bd9f68bab2a810c44"
   name = "github.com/googleapis/gnostic"
   packages = [
     "OpenAPIv2",
     "compiler",
     "extensions",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "ee43cbb60db7bd22502942cccbc39059117352ab"
   version = "v0.1.0"
 
 [[projects]]
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-[[projects]]
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-  packages = [
-    ".",
-    "helper/url",
-  ]
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-[[projects]]
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-[[projects]]
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-
-[[projects]]
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   name = "github.com/inconshreveable/mousetrap"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
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   version = "v1.0"
 
 [[projects]]
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-
-[[projects]]
-  digest = "1:9eab2325abbed0ebcee9d44bb3660a69d5d10e42d5ac4a0e77f7a6ea22bfce88"
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   name = "github.com/json-iterator/go"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
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   version = "1.1.3"
 
 [[projects]]
   branch = "master"
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   packages = [
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-
-[[projects]]
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-
-[[projects]]
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   packages = ["."]
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 [[projects]]
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 [[projects]]
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 [[projects]]
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 [[projects]]
-  digest = "1:8e243c568f36b09031ec18dff5f7d2769dcf5ca4d624ea511c8e3197dc3d352d"
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+  pruneopts = "NUT"
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-[[projects]]
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-    ".",
-    "internal/hash",
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-    "lzma",
-  ]
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-  version = "v0.5.4"
-
 [[projects]]
   branch = "master"
-  digest = "1:9e548233d0dc00e74be262e54a9d1bbe7e4c19e5951083520261740e37daeb02"
+  digest = "1:d1a6ebe75268a41b6fbb1d43947cf8688d8580423b7484fa5ae608beef6df24d"
   name = "golang.org/x/net"
   packages = [
-    "http/httpguts",
     "http2",
     "http2/hpack",
     "idna",
+    "lex/httplex",
   ]
-  pruneopts = ""
-  revision = "2491c5de3490fced2f6cff376127c667efeed857"
+  pruneopts = "NUT"
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 [[projects]]
-  digest = "1:5acd3512b047305d49e8763eef7ba423901e85d5dd2fd1e71778a0ea8de10bd4"
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   name = "golang.org/x/text"
   packages = [
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@@ -365,29 +238,29 @@
     "unicode/rangetable",
     "width",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
   version = "v0.3.0"
 
 [[projects]]
-  digest = "1:75fb3fcfc73a8c723efde7777b40e8e8ff9babf30d8c56160d01beffea8a95a6"
+  digest = "1:2d1fbdc6777e5408cabeb02bf336305e724b925ff4546ded0fa8715a7267922a"
   name = "gopkg.in/inf.v0"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "d2d2541c53f18d2a059457998ce2876cc8e67cbf"
   version = "v0.9.1"
 
 [[projects]]
-  digest = "1:f0620375dd1f6251d9973b5f2596228cc8042e887cd7f827e4220bc1ce8c30e2"
+  digest = "1:7c95b35057a0ff2e19f707173cc1a947fa43a6eb5c4d300d196ece0334046082"
   name = "gopkg.in/yaml.v2"
   packages = ["."]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "5420a8b6744d3b0345ab293f6fcba19c978f1183"
   version = "v2.2.1"
 
 [[projects]]
   branch = "master"
-  digest = "1:663df6da5560210fc39194a0a2c4fceba09ead717c330f1174bb15597cf18ce8"
+  digest = "1:d895c7c24a0dd1ed2ecd061fd88dfea9e1e84d6f280ed859942a2d1aabee10ec"
   name = "k8s.io/api"
   packages = [
     "admissionregistration/v1alpha1",
@@ -419,17 +292,22 @@
     "storage/v1alpha1",
     "storage/v1beta1",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "53d615ae3f440f957cb9989d989d597f047262d9"
 
 [[projects]]
   branch = "master"
-  digest = "1:bcb2285bb525712de7903a5d254c2789df65c8b58d2cfac5a26d950ad94c2079"
+  digest = "1:dff69dd9d9fc681ae077ce5a409aca3c24894d09102ab0395ca7972f6ec01811"
   name = "k8s.io/apimachinery"
   packages = [
+    "pkg/api/equality",
+    "pkg/api/meta",
     "pkg/api/resource",
+    "pkg/api/validation",
     "pkg/apis/meta/v1",
     "pkg/apis/meta/v1/unstructured",
+    "pkg/apis/meta/v1/validation",
+    "pkg/apis/meta/v1beta1",
     "pkg/conversion",
     "pkg/conversion/queryparams",
     "pkg/fields",
@@ -460,26 +338,26 @@
     "third_party/forked/golang/json",
     "third_party/forked/golang/reflect",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "13b73596e4b63e03203e86f6d9c7bcc1b937c62f"
 
 [[projects]]
-  digest = "1:071cc2f032b701b9dba26568e040940f26931a49e3a3985f3375f17f7f6d9c5f"
+  digest = "1:ae9ced9ef7b8eb2794a4f80bc3af9d2bc38ec7d60337367bad9a655c1d641458"
   name = "k8s.io/client-go"
   packages = ["kubernetes/scheme"]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "23781f4d6632d88e869066eaebb743857aa1ef9b"
   version = "v7.0.0"
 
 [[projects]]
   branch = "master"
-  digest = "1:386c5d69077ce740614e8309ddf107dde91a5db25d3d779143f452fb4fbdfd1e"
+  digest = "1:f4fb3421360af5c51070bfe0c1c7467f8809fa70e278e129f068f5106b5c8a65"
   name = "k8s.io/kube-openapi"
   packages = [
     "pkg/common",
     "pkg/util/proto",
   ]
-  pruneopts = ""
+  pruneopts = "NUT"
   revision = "b3f03f55328800731ce03a164b80973014ecd455"
 
 [solve-meta]
@@ -488,19 +366,20 @@
   input-imports = [
     "github.com/evanphx/json-patch",
     "github.com/ghodss/yaml",
-    "github.com/golang/glog",
-    "github.com/hashicorp/go-getter",
     "github.com/pkg/errors",
     "github.com/spf13/cobra",
+    "gopkg.in/yaml.v2",
     "k8s.io/api/core/v1",
+    "k8s.io/apimachinery/pkg/api/validation",
     "k8s.io/apimachinery/pkg/apis/meta/v1",
     "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured",
+    "k8s.io/apimachinery/pkg/apis/meta/v1/validation",
     "k8s.io/apimachinery/pkg/runtime",
     "k8s.io/apimachinery/pkg/runtime/schema",
     "k8s.io/apimachinery/pkg/util/mergepatch",
-    "k8s.io/apimachinery/pkg/util/sets",
     "k8s.io/apimachinery/pkg/util/strategicpatch",
     "k8s.io/apimachinery/pkg/util/validation",
+    "k8s.io/apimachinery/pkg/util/validation/field",
     "k8s.io/apimachinery/pkg/util/yaml",
     "k8s.io/client-go/kubernetes/scheme",
     "k8s.io/kube-openapi/pkg/common",

Gopkg.toml

@@ -1,4 +1,3 @@
-
 # Gopkg.toml example
 #
 # Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
@@ -20,6 +19,11 @@
 #  name = "github.com/x/y"
 #  version = "2.4.0"
 
+# prune out unused content from vendor
+[prune]
+  go-tests = true
+  non-go = true
+  unused-packages = true
 
 [[constraint]]
   name = "github.com/evanphx/json-patch"
@@ -29,10 +33,6 @@
   name = "github.com/ghodss/yaml"
   version = "1.0.0"
 
-[[constraint]]
-  branch = "master"
-  name = "github.com/golang/glog"
-
 [[constraint]]
   name = "github.com/spf13/cobra"
   version = "0.0.2"
@@ -56,7 +56,3 @@
 [[override]]
   branch = "master"
   name = "github.com/go-openapi/spec"
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/hashicorp/go-getter"

OWNERS_ALIASES

@@ -1,6 +1,5 @@
 aliases:
   kustomize-admins:
-    - grodrigues3
     - monopole
     - pwittrock
   kustomize-maintainers:

README.md

@@ -9,6 +9,10 @@ patch [kubernetes style] API objects.  It's like
 [`make`], in that what it does is declared in a file,
 and it's like [`sed`], in that it emits editted text.
 
+This tool is sponsored by [sig-cli] ([KEP]), and
+inspired by [DAM].
+
+
 [![Build Status](https://travis-ci.org/kubernetes-sigs/kustomize.svg?branch=master)](https://travis-ci.org/kubernetes-sigs/kustomize)
 [![Go Report Card](https://goreportcard.com/badge/github.com/kubernetes-sigs/kustomize)](https://goreportcard.com/report/github.com/kubernetes-sigs/kustomize)
 
@@ -113,21 +117,87 @@ The YAML can be directly [applied] to a cluster:
 > kustomize build ~/someApp/overlays/production | kubectl apply -f -
 > ```
 
-## About
+## Community
 
-This tool is sponsored by [sig-cli] ([KEP]).
+### Filing bug reports
 
 
-[KEP]: https://github.com/kubernetes/community/blob/master/keps/sig-cli/0008-kustomize.md
+##### A good report specifies
+
+ * the output of `kustomize version`,
+ * the input (the content of `kustomization.yaml`
+   and any files it refers to),
+ * the expected YAML output.
+
+##### A _great_ report is a bug reproduction test
+ 
+Kustomize has a simple test harness in the
+[target package] for specifying a kustomization's
+input and the expected output.
+See this [example of a target test].
+ 
+The pattern is
+ * call `NewKustTestHarness`
+ * specify kustomization input data (resources,
+   patches, etc.) as inline strings,
+ * call `makeKustTarget().MakeCustomizedResMap()`
+ * compare the actual output to expected output
+
+In a bug reproduction test, the expected output string
+initially contains the _wrong_ (unexpected) output,
+thus unambiguously reproducing the bug.
+
+Nearby comments should explain what the output
+_should_ be, and have a TODO pointing to the related
+issue.
+
+The person who fixes the bug then has a clear
+bug reproduction and a test to modify when
+the bug is fixed.
+
+The bug reporter can then see the bug was fixed,
+and has permanent regression coverage to prevent
+its reintroduction.
+ 
+### Feature requests
+
+Feature requests are welcome.
+
+Before working on an implementation, please
+ * Read the [eschewed feature list].
+ * File an issue describing
+   how the new feature would behave
+   and label it [kind/feature].
+
+### Other communication channels
+
+- [Slack]
+- [Mailing List]
+- General kubernetes [community page]
+
+### Code of conduct
+
+Participation in the Kubernetes community
+is governed by the [Kubernetes Code of Conduct].
+
 [`make`]: https://www.gnu.org/software/make
 [`sed`]: https://www.gnu.org/software/sed
+[DAM]: docs/glossary.md#declarative-application-management
+[KEP]: https://github.com/kubernetes/enhancements/blob/master/keps/sig-cli/0008-kustomize.md
+[Kubernetes Code of Conduct]: code-of-conduct.md
+[Mailing List]: https://groups.google.com/forum/#!forum/kubernetes-sig-cli
+[Slack]: https://kubernetes.slack.com/messages/sig-cli
 [applied]: docs/glossary.md#apply
 [base]: docs/glossary.md#base
+[community page]: http://kubernetes.io/community/
 [declarative configuration]: docs/glossary.md#declarative-application-management
+[eschewed feature list]: docs/eschewedFeatures.md
+[example of a target test]: https://github.com/kubernetes-sigs/kustomize/blob/master/pkg/target/baseandoverlaysmall_test.go
 [examples]: examples/README.md
 [imageBase]: docs/base.jpg
 [imageOverlay]: docs/overlay.jpg
 [install]: docs/INSTALL.md
+[kind/feature]: https://github.com/kubernetes-sigs/kustomize/labels/kind%2Ffeature
 [kubernetes style]: docs/glossary.md#kubernetes-style-object
 [kustomization]: docs/glossary.md#kustomization
 [overlay]: docs/glossary.md#overlay
@@ -136,6 +206,7 @@ This tool is sponsored by [sig-cli] ([KEP]).
 [resource]: docs/glossary.md#resource
 [resources]: docs/glossary.md#resource
 [sig-cli]: https://github.com/kubernetes/community/blob/master/sig-cli/README.md
+[target package]: https://github.com/kubernetes-sigs/kustomize/tree/master/pkg/target
 [variant]: docs/glossary.md#variant
 [variants]: docs/glossary.md#variant
 [workflows]: docs/workflows.md

bin/pre-commit.sh

@@ -11,10 +11,6 @@ cd "$base_dir" || {
 
 rc=0
 
-function go_dirs {
-  go list -f '{{.Dir}}' ./... | tail -n +2 | tr '\n' '\0'
-}
-
 function runTest {
   local name=$1
   local result="SUCCESS"
@@ -28,40 +24,8 @@ function runTest {
   printf "============== end %s : %s code=%d\n\n\n" "$name" "$result" $code
 }
 
-function testGoFmt {
-  diff <(echo -n) <(go_dirs | xargs -0 gofmt -s -d -l)
-}
-
-
-function testGoCyclo {
-  diff <(echo -n) <(go_dirs | xargs -0 gocyclo -over 15)
-}
-
-function testGoLint {
-  diff -u <(echo -n) <(go_dirs | xargs -0 golint --min_confidence 0.85 )
-}
-
-# Not using the 'goimports' check because it reports hyphens in imported
-# package names as errors, and we vendor in packages that have
-# hyphens in their names.
-function testGoMetalinter {
-  diff -u <(echo -n) <(go_dirs | xargs -0 gometalinter.v2 --disable-all --deadline 5m \
-  --enable=misspell \
-  --enable=structcheck \
-  --enable=deadcode \
-  --enable=varcheck \
-  --enable=goconst \
-  --enable=unparam \
-  --enable=ineffassign \
-  --enable=nakedret \
-  --enable=interfacer \
-  --enable=misspell \
-  --line-length=170 --enable=lll \
-  --dupl-threshold=400 --enable=dupl)
-}
-
-function testGoVet {
-  go vet -all ./...
+function testGoLangCILint {
+  golangci-lint run ./...
 }
 
 function testGoTest {
@@ -72,11 +36,7 @@ function testExamples {
   mdrip --mode test --label test README.md ./examples
 }
 
-runTest testGoFmt
-runTest testGoMetalinter
-runTest testGoLint
-runTest testGoVet
-runTest testGoCyclo
+runTest testGoLangCILint
 runTest testGoTest
 runTest testExamples
 

build/build.sh

@@ -23,10 +23,10 @@ set -x
 # - Use /go as the default GOPATH because this is what the image uses
 # - Link our current directory (containing the source code) to the package location in the GOPATH
 
-OWNER="kubernetes-sigs"
+OWNER="sigs.k8s.io"
 REPO="kustomize"
 
-GO_PKG_OWNER=$GOPATH/src/github.com/$OWNER
+GO_PKG_OWNER=$GOPATH/src/$OWNER
 GO_PKG_PATH=$GO_PKG_OWNER/$REPO
 
 mkdir -p $GO_PKG_OWNER

build/goreleaser.yaml

@@ -4,7 +4,7 @@ project_name: kustomize
 builds:
 - main: ./kustomize.go
   binary: kustomize
-  ldflags: -s -X github.com/kubernetes-sigs/kustomize/pkg/commands.kustomizeVersion={{.Version}} -X github.com/kubernetes-sigs/kustomize/pkg/commands.gitCommit={{.Commit}} -X github.com/kubernetes-sigs/kustomize/pkg/commands.buildDate={{.Date}}
+  ldflags: -s -X sigs.k8s.io/kustomize/pkg/commands/misc.kustomizeVersion={{.Version}} -X sigs.k8s.io/kustomize/pkg/commands/misc.gitCommit={{.Commit}} -X sigs.k8s.io/kustomize/pkg/commands/misc.buildDate={{.Date}}
   goos:
   - darwin
   - linux

build/vendor_kustomize.diff

@@ -0,0 +1,281 @@
+commit 1b893558aa83ac6491e5ba416b493170a9045fec
+Author: Jingfang Liu <jingfangliu@google.com>
+Date:   Mon Nov 12 10:26:12 2018 -0800
+
+    last change
+
+diff --git a/staging/src/k8s.io/cli-runtime/artifacts/kustomization/configMap.yaml b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/configMap.yaml
+new file mode 100644
+index 0000000000..0008853094
+--- /dev/null
++++ b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/configMap.yaml
+@@ -0,0 +1,8 @@
++
++apiVersion: v1
++kind: ConfigMap
++metadata:
++  name: the-map
++data:
++  altGreeting: "Good Morning!"
++  enableRisky: "false"
+diff --git a/staging/src/k8s.io/cli-runtime/artifacts/kustomization/deployment.yaml b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/deployment.yaml
+new file mode 100644
+index 0000000000..6e79409080
+--- /dev/null
++++ b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/deployment.yaml
+@@ -0,0 +1,30 @@
++apiVersion: apps/v1
++kind: Deployment
++metadata:
++  name: the-deployment
++spec:
++  replicas: 3
++  template:
++    metadata:
++      labels:
++        deployment: hello
++    spec:
++      containers:
++      - name: the-container
++        image: monopole/hello:1
++        command: ["/hello",
++                  "--port=8080",
++                  "--enableRiskyFeature=$(ENABLE_RISKY)"]
++        ports:
++        - containerPort: 8080
++        env:
++        - name: ALT_GREETING
++          valueFrom:
++            configMapKeyRef:
++              name: the-map
++              key: altGreeting
++        - name: ENABLE_RISKY
++          valueFrom:
++            configMapKeyRef:
++              name: the-map
++              key: enableRisky
+diff --git a/staging/src/k8s.io/cli-runtime/artifacts/kustomization/kustomization.yaml b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/kustomization.yaml
+new file mode 100644
+index 0000000000..6e1e3202d5
+--- /dev/null
++++ b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/kustomization.yaml
+@@ -0,0 +1,5 @@
++nameprefix: test-
++ resources:
++- deployment.yaml
++- service.yaml
++- configMap.yaml
+diff --git a/staging/src/k8s.io/cli-runtime/artifacts/kustomization/service.yaml b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/service.yaml
+new file mode 100644
+index 0000000000..2942cdb7df
+--- /dev/null
++++ b/staging/src/k8s.io/cli-runtime/artifacts/kustomization/service.yaml
+@@ -0,0 +1,13 @@
++kind: Service
++apiVersion: v1
++metadata:
++  name: the-service
++spec:
++  selector:
++    deployment: hello
++  type: LoadBalancer
++  ports:
++  - protocol: TCP
++    port: 8666
++    targetPort: 8080
++    
+\ No newline at end of file
+diff --git a/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/BUILD b/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/BUILD
+index 22b34de008..b91d1c0130 100644
+--- a/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/BUILD
++++ b/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/BUILD
+@@ -35,12 +35,15 @@ go_library(
+         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
+         "//staging/src/k8s.io/apimachinery/pkg/util/yaml:go_default_library",
+         "//staging/src/k8s.io/apimachinery/pkg/watch:go_default_library",
++        "//staging/src/k8s.io/cli-runtime/pkg/kustomize/k8sdeps:go_default_library",
+         "//staging/src/k8s.io/client-go/discovery:go_default_library",
+         "//staging/src/k8s.io/client-go/kubernetes/scheme:go_default_library",
+         "//staging/src/k8s.io/client-go/rest:go_default_library",
+         "//staging/src/k8s.io/client-go/restmapper:go_default_library",
+         "//vendor/golang.org/x/text/encoding/unicode:go_default_library",
+         "//vendor/golang.org/x/text/transform:go_default_library",
++        "//vendor/sigs.k8s.io/kustomize/pkg/commands/build:go_default_library",
++        "//vendor/sigs.k8s.io/kustomize/pkg/fs:go_default_library",
+     ],
+ )
+ 
+diff --git a/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/builder_test.go b/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/builder_test.go
+index 7fd526b33c..801f13f772 100644
+--- a/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/builder_test.go
++++ b/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/builder_test.go
+@@ -465,27 +465,48 @@ func TestPathBuilderWithMultipleInvalid(t *testing.T) {
+ }
+ 
+ func TestDirectoryBuilder(t *testing.T) {
+-	b := newDefaultBuilder().
+-		FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../artifacts/guestbook"}}).
+-		NamespaceParam("test").DefaultNamespace()
++	tests := []struct {
++		directories   []string
++		singleItem    bool
++		number        int
++		expectedNames []string
++	}{
++		{[]string{"../../../artifacts/guestbook"}, false, 3, []string{"redis-master"}},
++		{[]string{"../../../artifacts/kustomization"}, true, 3, []string{"test-the-deployment"}},
++		{[]string{"../../../artifacts/guestbook", "../../../artifacts/kustomization"}, false, 6, []string{"redis-master", "test-the-deployment"}},
++	}
+ 
+-	test := &testVisitor{}
+-	singleItemImplied := false
++	for _, tt := range tests {
++		b := newDefaultBuilder().
++			FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: tt.directories}).
++			NamespaceParam("test").DefaultNamespace()
+ 
+-	err := b.Do().IntoSingleItemImplied(&singleItemImplied).Visit(test.Handle)
+-	if err != nil || singleItemImplied || len(test.Infos) < 3 {
+-		t.Fatalf("unexpected response: %v %t %#v", err, singleItemImplied, test.Infos)
+-	}
++		test := &testVisitor{}
++		singleItemImplied := false
+ 
+-	found := false
+-	for _, info := range test.Infos {
+-		if info.Name == "redis-master" && info.Namespace == "test" && info.Object != nil {
+-			found = true
+-			break
++		err := b.Do().IntoSingleItemImplied(&singleItemImplied).Visit(test.Handle)
++		if err != nil || singleItemImplied != tt.singleItem || len(test.Infos) < tt.number {
++			t.Fatalf("unexpected response: %v %t %#v", err, singleItemImplied, test.Infos)
++		}
++
++		contained := func(name string) bool {
++			for _, info := range test.Infos {
++				if info.Name == name && info.Namespace == "test" && info.Object != nil {
++					return true
++				}
++			}
++			return false
++		}
++
++		allFound := true
++		for _, name := range tt.expectedNames {
++			if !contained(name) {
++				allFound = false
++			}
++		}
++		if !allFound {
++			t.Errorf("unexpected responses: %#v", test.Infos)
+ 		}
+-	}
+-	if !found {
+-		t.Errorf("unexpected responses: %#v", test.Infos)
+ 	}
+ }
+ 
+diff --git a/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/visitor.go b/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/visitor.go
+index 32c1a691a5..d7a37e1cde 100644
+--- a/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/visitor.go
++++ b/staging/src/k8s.io/cli-runtime/pkg/genericclioptions/resource/visitor.go
+@@ -20,10 +20,12 @@ import (
+ 	"bytes"
+ 	"fmt"
+ 	"io"
++	"io/ioutil"
+ 	"net/http"
+ 	"net/url"
+ 	"os"
+ 	"path/filepath"
++	"strings"
+ 	"time"
+ 
+ 	"golang.org/x/text/encoding/unicode"
+@@ -38,6 +40,9 @@ import (
+ 	utilerrors "k8s.io/apimachinery/pkg/util/errors"
+ 	"k8s.io/apimachinery/pkg/util/yaml"
+ 	"k8s.io/apimachinery/pkg/watch"
++	"k8s.io/cli-runtime/pkg/kustomize/k8sdeps"
++	"sigs.k8s.io/kustomize/pkg/commands/build"
++	"sigs.k8s.io/kustomize/pkg/fs"
+ )
+ 
+ const (
+@@ -452,7 +457,10 @@ func ExpandPathsToFileVisitors(mapper *mapper, paths string, recursive bool, ext
+ 		if err != nil {
+ 			return err
+ 		}
+-
++		if isKustomizationDir(path) {
++			visitors = append(visitors, NewKustomizationVisitor(mapper, path, schema))
++			return filepath.SkipDir
++		}
+ 		if fi.IsDir() {
+ 			if path != paths && !recursive {
+ 				return filepath.SkipDir
+@@ -463,7 +471,10 @@ func ExpandPathsToFileVisitors(mapper *mapper, paths string, recursive bool, ext
+ 		if path != paths && ignoreFile(path, extensions) {
+ 			return nil
+ 		}
+-
++		if strings.HasSuffix(path, "kustomization.yaml") {
++			visitors = append(visitors, NewKustomizationVisitor(mapper, filepath.Dir(path), schema))
++			return nil
++		}
+ 		visitor := &FileVisitor{
+ 			Path:          path,
+ 			StreamVisitor: NewStreamVisitor(nil, mapper, path, schema),
+@@ -479,6 +490,14 @@ func ExpandPathsToFileVisitors(mapper *mapper, paths string, recursive bool, ext
+ 	return visitors, nil
+ }
+ 
++func isKustomizationDir(path string) bool {
++	if _, err := os.Stat(filepath.Join(path, "kustomization.yaml")); err == nil {
++		return true
++	}
++	return false
++}
++
++
+ // FileVisitor is wrapping around a StreamVisitor, to handle open/close files
+ type FileVisitor struct {
+ 	Path string
+@@ -507,6 +526,37 @@ func (v *FileVisitor) Visit(fn VisitorFunc) error {
+ 	return v.StreamVisitor.Visit(fn)
+ }
+ 
++// KustomizationVisitor prorvides the output of kustomization build
++type KustomizationVisitor struct {
++	Path string
++	*StreamVisitor
++}
++
++// Visit in a KustomizationVisitor build the kustomization output
++func (v *KustomizationVisitor) Visit(fn VisitorFunc) error {
++	fSys := fs.MakeRealFS()
++	f := k8sdeps.NewFactory()
++	var out bytes.Buffer
++	cmd := build.NewCmdBuild(&out, fSys, f.ResmapF, f.TransformerF)
++	cmd.SetArgs([]string{v.Path})
++	// we want to silence usage, error output, and any future output from cobra
++	// we will get error output as a golang error from execute
++	cmd.SetOutput(ioutil.Discard)
++	_, err := cmd.ExecuteC()
++	if err != nil {
++		return err
++	}
++	v.StreamVisitor.Reader = bytes.NewReader(out.Bytes())
++	return v.StreamVisitor.Visit(fn)
++}
++
++func NewKustomizationVisitor(mapper *mapper, path string, schema ContentValidator) *KustomizationVisitor {
++	return &KustomizationVisitor{
++		Path:          path,
++		StreamVisitor: NewStreamVisitor(nil, mapper, path, schema),
++	}
++}
++
+ // StreamVisitor reads objects from an io.Reader and walks them. A stream visitor can only be
+ // visited once.
+ // TODO: depends on objects being in JSON format before being passed to decode - need to implement

build/vendor_kustomize.sh

@@ -0,0 +1,118 @@
+#!/bin/bash
+#
+#  Copyright 2018 The Kubernetes Authors.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+set -e
+set -x
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+
+# vendor_kustomize.sh creates the change in kubernetes repo for vendoring kustomize
+
+function setUpWorkspace {
+  KPATH=~/kustomize_vendor
+  mkdir $KPATH
+  GOPATH=$KPATH
+}
+
+function cloneK8s {
+  mkdir -p $KPATH/src/k8s.io
+  cd $KPATH/src/k8s.io
+
+  git clone git@github.com:kubernetes/kubernetes.git
+}
+
+function godepRestore {
+  cd $KPATH/src/k8s.io/kubernetes
+
+  # restore dependencies
+  hack/run-in-gopath.sh hack/godep-restore.sh
+}
+
+function getKustomizeDeps {
+  # get Kustomize and Kustomize dependencies
+  hack/run-in-gopath.sh godep get sigs.k8s.io/kustomize/pkg/commands
+  hack/run-in-gopath.sh godep get github.com/bgentry/go-netrc/netrc
+  hack/run-in-gopath.sh godep get github.com/hashicorp/go-cleanhttp
+  hack/run-in-gopath.sh godep get github.com/hashicorp/go-getter
+  hack/run-in-gopath.sh godep get github.com/hashicorp/go-safetemp
+  hack/run-in-gopath.sh godep get github.com/hashicorp/go-version
+
+  # The hashes below passed bin/pre-commit.sh with kustomize HEAD at time of merger.
+  DEPS=(
+  "hashicorp/go-getter     4bda8fa99001c61db3cad96b421d4c12a81f256d"
+  "hashicorp/go-cleanhttp  d5fe4b57a186c716b0e00b8c301cbd9b4182694d"
+  "hashicorp/go-safetemp   b1a1dbde6fdc11e3ae79efd9039009e22d4ae240"
+  "hashicorp/go-version    270f2f71b1ee587f3b609f00f422b76a6b28f348"
+  "bgentry/go-netrc        9fd32a8b3d3d3f9d43c341bfe098430e07609480"
+  "mitchellh/go-homedir    58046073cbffe2f25d425fe1331102f55cf719de"
+  "mitchellh/go-testing-interface  a61a99592b77c9ba629d254a693acffaeb4b7e28"
+  "ulikunitz/xz            v0.5.4"
+  )
+
+  function foo {
+    cd $KPATH/src/k8s.io/kubernetes/_output/local/go/src/github.com/$1
+    git checkout $2
+  }
+  for i in "${DEPS[@]}"; do
+    foo $i
+  done
+}
+
+function updateK8s {
+  # Copy k8sdeps from Kustomize to cli-runtime in staging
+  mkdir -p $KPATH/src/k8s.io/kubernetes/staging/src/k8s.io/cli-runtime/pkg/kustomize
+  cp -r $KPATH/src/k8s.io/kubernetes/_output/local/go/src/sigs.k8s.io/kustomize/k8sdeps \
+    $KPATH/src/k8s.io/kubernetes/staging/src/k8s.io/cli-runtime/pkg/kustomize/k8sdeps
+
+  # Change import path of k8sdeps
+  find $KPATH/src/k8s.io/kubernetes/staging/src/k8s.io/cli-runtime/pkg/kustomize/k8sdeps \
+    -type f -name "*.go" | \
+    xargs sed -i \
+    's!sigs.k8s.io/kustomize/k8sdeps!k8s.io/cli-runtime/pkg/kustomize/k8sdeps!'
+
+
+  # Add kustomize command to kubectl
+  cp $DIR/vendor_kustomize.diff $KPATH/vendor_kustomize.diff
+
+  cd $GOPATH/src/k8s.io/kubernetes
+  git apply --ignore-space-change --ignore-whitespace $KPATH/vendor_kustomize.diff
+}
+
+function godepSave {
+  # Save all dependencies into k8s.io/kubernetes/vendor by running
+  # hack/godep-save.sh
+  hack/run-in-gopath.sh  hack/godep-save.sh
+}
+
+function verify {
+  # make sure in k8s.io/kubernetes/vendor/sigs.k8s.io/kustomize
+  # there is no internal package
+  test 0 == $(ls $KPATH/src/k8s.io/kubernetes/vendor/sigs.k8s.io/kustomize | grep “internal” | wc -l)
+
+  # Make sure it compiles.
+  test 0 == $(bazel build cmd/kubectl:kubectl)
+
+  # next step, open a PR
+  echo "The change for vendoring kustomize is ready in $GOPATH/src/k8s.io/kubernetes.\n Next step, open a PR for it.\n"
+}
+
+setUpWorkspace
+cloneK8s
+godepRestore
+getKustomizeDeps
+updateK8s
+godepSave
+verify

docs/CODE_OF_CONDUCT.md

@@ -1,4 +0,0 @@
-# Kustomize Community Code of Conduct
-
-Kustomize contributers expected to adhere to
-the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).

docs/CONTRIBUTING.md

@@ -1,36 +0,0 @@
-# Contributing guidelines
-
-[Contributor License Agreement]: https://git.k8s.io/community/CLA.md
-[github workflow guide]: https://github.com/kubernetes/community/blob/master/contributors/guide/github-workflow.md
-[CNCF code of conduct]: https://github.com/cncf/foundation/blob/master/code-of-conduct.md
-
-## Contributing a Patch
-
-1. Kubernetes projects require contributors to sign the
-   [Contributor License Agreement] before pull requests
-   can be considered.
-1. Submit an issue describing your proposed change to
-   the repo in question.
-1. The [repo owners](OWNERS) will respond to your issue
-   promptly.
-1. Fork the repo, develop and test your code.
-   See the [github workflow guide].
-1. For _new features_, provide a markdown-based demo following
-   the pattern established in the [examples](examples) directory.
-   Run `bin/pre-commit.sh` to test your demo.
-1. Submit a pull request.
-
-## Community, discussion, contribution, and support
-
-Learn how to engage with the Kubernetes community on
-the [community page](http://kubernetes.io/community/).
-
-You can reach the maintainers of this project at:
-
-- [Slack](http://slack.k8s.io/)
-- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-kustomize)
-
-## Code of conduct
-
-Participation in the Kubernetes community is governed
-by the [CNCF code of conduct].

docs/INSTALL.md

@@ -29,5 +29,5 @@ To install from head with [Go] v1.10.1 or higher:
 
 <!-- @installkustomize @test -->
 ```
-go get github.com/kubernetes-sigs/kustomize
+go get sigs.k8s.io/kustomize
 ```

docs/README.md

@@ -6,6 +6,9 @@
    [kustomization](glossary.md#kustomization)
    with explanations of each field.
 
+ * [versioning policy](versioningPolicy.md) - How the code and the kustomization
+   file evolve in time.
+   
  * [workflow](workflows.md) - Some steps one might take in using
    bespoke and off-the-shelf configurations.
   
@@ -14,9 +17,9 @@
  * [eschewed features](eschewedFeatures.md) - Why certain features are (currently)
    not supported in Kustomize.
 
- * [contributing guidelines](CONTRIBUTING.md) - Please read before sending a PR.
+ * [contributing guidelines](../CONTRIBUTING.md) - Please read before sending a PR.
  
- * [code of conduct](CODE_OF_CONDUCT.md)
+ * [code of conduct](../code-of-conduct.md)
  
  
  

docs/eschewedFeatures.md

@@ -1,13 +1,22 @@
 # Eschewed Features
 
+The maintainers established this list to
+place bounds on the kustomize feature
+set.  The bounds can be changed with
+a consensus on the risks.
+
+For a bigger picture about why kustomize
+does some things and not others, see the
+glossary entry for [DAM].
+
 ## Removal directives
 
 `kustomize` supports configurations that can be reasoned about as
 _compositions_ or _mixins_ - concepts that are widely accepted as
 a best practice in various programming languages.
 
-To this end, `kustomize` offers various _addition_ directives.  One
-can add labels, annotations, patches, resources and bases.
+To this end, `kustomize` offers various _addition_ directives.
+One may add labels, annotations, patches, resources, bases, etc.
 Corresponding _removal_ directives are not offered.
 
 Removal semantics would introduce many possibilities for
@@ -27,6 +36,48 @@ what you don't want and commit it to your private fork, then use
 kustomize on your fork.  As often as desired, use _git rebase_ to
 capture improvements from the upstream base.
 
+## Unstructured edits
+
+_Structured edits_ are changes controlled by
+knowledge of the k8s API, and YAML or JSON syntax.
+
+Most edits performed by kustomize can be expressed as
+[JSON patches] or [SMP patches].  Common edits, like
+adding labels or adding a name prefix, get dedicated 
+shorthand commands.  Another class of edits take
+data from one specific object's field and use it in
+another (e.g. a service object's name found and
+copied into a container's command line).
+
+These edits are designed to create valid output
+given valid input, and can provide syntactically
+and semantically informed error messages if inputs
+are invalid.
+
+_Unstructured edits_, e.g. a templating approach,
+or a command to replace any target string in the
+character stream with some other string, aren't
+limited by any syntax or object structure.
+  
+Such powerful techniques are eschewed because
+- There would be no way to say that a kustomization
+  was correct without running it and checking
+  the output.
+- Errors in the output would be
+  disconnected from the edit that caused it.
+- They are toil to maintain by a rotating
+  staff of operators.
+    
+Kustomizations are meant to be sharable and stackable.
+Imagine tracing down a problem rooted in a
+clever set of stacked regexp replacements
+performed by various overlays on some remote base. 
+
+Other tools (sed, jinja, erb, envsubst, helm, ksonnet,
+etc.) provide varying degrees of unstructured editting
+and/or embedded languages, and can be used instead
+of, or in a pipe with, kustomize.
+
 ## Build-time side effects from CLI args or env variables
 
 `kustomize` supports the best practice of storing one's
@@ -35,7 +86,7 @@ entire configuration in a version control system.
 Changing `kustomize build` configuration output as a result
 of additional arguments or flags to `build`, or by
 consulting shell environment variable values in `build`
-code, would violate that goal.
+code, would frustrate that goal.
 
 `kustomize` insteads offers [kustomization] file `edit`
 commands.  Like any shell command, they can accept
@@ -70,11 +121,10 @@ commands that accept globbed arguments, expand them at _edit
 time_ relative to the local file system, and store the resulting
 explicit names into the kustomization file.
 
-In this way the resources, patches and bases used at _build time_
-remain explicitly declared in version control.
-
-
 [base]: glossary.md#base
+[DAM]: glossary.md#declarative-application-management
+[java import]: https://www.codebyamir.com/blog/pitfalls-java-import-wildcards
+[JSON patches]: glossary.md#patchjson6902
 [kustomization]: glossary.md#kustomization
 [OTS workflow]: workflows.md#off-the-shelf-configuration
-[java import]: https://www.codebyamir.com/blog/pitfalls-java-import-wildcards
+[SMP patches]: glossary.md#patchstrategicmerge

docs/glossary.md

@@ -1,7 +1,11 @@
 # Glossary
-
+[CRD spec]: https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/
+[CRD]: #custom-resource-definition
 [DAM]: #declarative-application-management
+[Declarative Application Management]: https://github.com/kubernetes/community/blob/master/contributors/design-proposals/architecture/declarative-application-management.md
 [JSON]: https://www.json.org/
+[JSONPatch]: https://tools.ietf.org/html/rfc6902
+[JSONMergePatch]: https://tools.ietf.org/html/rfc7386
 [Resource]: #resource
 [YAML]: http://www.yaml.org/start.html
 [application]: #application
@@ -15,16 +19,20 @@
 [kubernetes]: #kubernetes
 [kustomize]: #kustomize
 [kustomization]: #kustomization
-[off-the-shelf]: #off-the-shelf
+[off-the-shelf]: #off-the-shelf-configuration
 [overlay]: #overlay
 [overlays]: #overlay
 [patch]: #patch
 [patches]: #patch
+[patchJson6902]: #patchjson6902
+[patchExampleJson6902]: https://github.com/kubernetes-sigs/kustomize/blob/master/examples/jsonpatch.md
+[patchesJson6902]: #patchjson6902
 [proposal]: https://github.com/kubernetes/community/pull/1629
 [rebase]: https://git-scm.com/docs/git-rebase
 [resource]: #resource
 [resources]: #resource
 [rpm]: https://en.wikipedia.org/wiki/Rpm_(software)
+[strategic-merge]: https://github.com/kubernetes/community/blob/master/contributors/devel/strategic-merge-patch.md
 [target]: #target
 [variant]: #variant
 [variants]: #variant
@@ -92,22 +100,37 @@ simpler than the workflow associated with an
 periodically capturing someone else's upgrades to the
 [off-the-shelf] config.
 
+## custom resource definition
+
+One can extend the k8s API by making a
+Custom Resource Definition ([CRD spec]).
+
+This defines a custom [resource] (CD), an entirely
+new resource that can be used alongside _native_
+resources like ConfigMaps, Deployments, etc.
+
+Kustomize can customize a CD, but to do so
+kustomize must also be given the corresponding CRD
+so that it can interpret the structure correctly.
+
 ## declarative application management
 
-_Declarative Application Management_ (DAM) is a [set of
-ideas](https://goo.gl/T66ZcD) aiming to ease management
-of k8s clusters.
+Kustomize aspires to support [Declarative Application Management],
+a set of best practices around managing k8s clusters.
 
- * Works with any configuration, be it bespoke,
+In brief, kustomize should
+
+ * Work with any configuration, be it bespoke,
    off-the-shelf, stateless, stateful, etc.
- * Supports common customizations, and creation of
-   [variants] (dev vs. staging vs. production).
- * Exposes and teaches native k8s APIs, rather than
-   hiding them.
- * No friction integration with version control to
+ * Support common customizations, and creation of
+   [variants] (e.g. _development_ vs.
+   _staging_ vs. _production_).
+ * Expose and teach native k8s APIs, rather than
+   hide them.
+ * Add no friction to version control integration to
    support reviews and audit trails.
- * Composable with other tools in a unix sense.
- * Eschews crossing the line into templating, domain
+ * Compose with other tools in a unix sense.
+ * Eschew crossing the line into templating, domain
    specific languages, etc., frustrating the other
    goals.
 
@@ -127,18 +150,23 @@ Here's an [example](kustomization.yaml).
 
 A kustomization contains fields falling into these categories:
 
- * Immediate customization declarations, e.g.
-   _namePrefix_, _commonLabels_, etc.
- * Resource _generators_ for configmaps and secrets.
- * References to _external files_ in these categories:
+ * _Customization operators_ for modifying operands, e.g.
+   _namePrefix_, _nameSuffix_, _commonLabels_, _patches_, etc.
+
+ * _Customization operands_:
    * [resources] - completely specified k8s API objects,
       e.g. `deployment.yaml`, `configmap.yaml`, etc.
-   * [patches] - _partial_ resources that modify full
-     resources defined in a [base]
-     (only meaningful in an [overlay]).
-   * [bases] - path to a directory containing
-     a [kustomization] (only meaningful in an [overlay]).
- * (_TBD_) Standard k8s API kind-version fields.
+   * [bases] - paths or github URLs specifying directories
+     containing a [kustomization].  These bases may
+     be subjected to more customization, or merely
+     included in the output.
+   * [CRD]s - custom resource definition files, to allow use
+     of _custom_ resources in the _resources_ list.
+     Not an actual operand - but allows the use of new operands.
+
+ * Generators, for creating more resources
+   (configmaps and secrets) which can then be
+   customized.
 
 ## kubernetes
 
@@ -242,36 +270,71 @@ management tool in the tradition of, say, [apt] or
 
 ## patch
 
-A _patch_ is a partially defined k8s resource with a
-name that must match a resource already known per
-traversal rules built into [kustomize].
+General instructions to modify a resource.
 
-_Patch_ is a field in the kustomization, distinct from
-resources, because a patch file looks like a resource
-file, but has different semantics.  A patch depends on
-(modifies) a resource, whereas a resource has no
-dependencies.  Since any resource file can be used as a
-patch, one cannot reliably distinguish a resource from
-a patch just by looking at the file's [YAML].
+There are two alternative techniques with similar
+power but different notation - the
+[strategic merge patch](#patchstrategicmerge)
+and the [JSON patch](#patchjson6902).
+
+## patchStrategicMerge
+
+A _patchStrategicMerge_ is [strategic-merge]-style patch (SMP).
+
+An SMP looks like an incomplete YAML specification of
+a k8s resource.  The SMP includes `TypeMeta`
+fields to establish the group/version/kind/name of the
+[resource] to patch, then just enough remaining fields
+to step into a nested structure to specify a new field
+value, e.g. an image tag.
+
+By default, an SMP _replaces_ values.  This
+usually desired when the target value is a simple
+string, but may not be desired when the target 
+value is a list.
+
+To change this 
+default behavior, add a _directive_.  Recognized 
+directives include _replace_ (the default), _merge_
+(avoid replacing a list), _delete_ and a few more
+(see [these notes][strategic-merge]).
+
+Note that for custom resources, SMPs are treated as
+[json merge patches][JSONMergePatch].
+
+Fun fact - any resource file can be used as
+an SMP, overwriting matching fields in another
+resource with the same group/version/kind/name,
+but leaving all other fields as they were.
+
+TODO(monopole): add ptr to example.
+
+## patchJson6902
+
+A _patchJson6902_ refers to a kubernetes [resource] and
+a [JSONPatch] specifying how to change the resource.
+
+A _patchJson6902_ can do almost everything a
+_patchStrategicMerge_ can do, but with a briefer
+syntax.  See this [example][patchExampleJson6902].
 
 ## resource
 
-A _resource_, in the context of kustomize, is a path to
-a [YAML] or [JSON] file that completely defines a
-functional k8s API object, like a deployment or a
-configmap.
+A _resource_ in the context of a REST-ful API is the
+target object of an HTTP operation like _GET_, _PUT_ or
+_POST_.  k8s offers a REST-ful API surface to interact
+with clients.
+
+A _resource_, in the context of kustomization file,
+is a path to a [YAML] or [JSON] file describing
+a k8s API object, like a Deployment or a
+ConfigmMap.
 
 More generally, a resource can be any correct YAML file
 that [defines an object](https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/#required-fields)
 with a _kind_ and a _metadata/name_ field.
 
 
-A _resource_ in the content of a REST-ful API is the
-target of an HTTP operation like _GET_, _PUT_ or
-_POST_.  k8s offers a RESTful API surface to interact
-with clients.
-
-
 ## sub-target / sub-application / sub-package
 
 A _sub-whatever_ is not a thing. There are only

docs/kustomization.yaml

@@ -28,9 +28,12 @@
 # don't exist.
 #
 # In practice, fields with no value should simply be
-# omitted from kustomize.yaml to reduce the content
+# omitted from kustomization.yaml to reduce the content
 # visible in configuration reviews.
 # ----------------------------------------------------
+# apiVersion and kind of Kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
 
 # Adds namespace to all resources.
 namespace: my-namespace
@@ -40,6 +43,13 @@ namespace: my-namespace
 # "wordpress" becomes "alices-wordpress".
 namePrefix: alices-
 
+# Value of this field is appended to the
+# names of all resources, e.g. a deployment named
+# "wordpress" becomes "wordpress-v2".
+# The suffix is appended before content hash
+# if resource type is ConfigMap or Secret.
+nameSuffix: -v2
+
 # Labels to add to all resources and selectors.
 commonLabels:
   someName: someValue
@@ -63,40 +73,53 @@ resources:
 
 # Each entry in this list results in the creation of
 # one ConfigMap resource (it's a generator of n maps).
-# The example below creates a ConfigMap with the
-# names and contents of the given files.
+# The example below creates two ConfigMaps. One with the
+# names and contents of the given files, the other with
+# key/value as data.
 configMapGenerator:
 - name: myJavaServerProps
   files:
   - application.properties
   - more.properties
+- name: myJavaServerEnvVars
+  literals:	
+  - JAVA_HOME=/opt/java/jdk
+  - JAVA_TOOL_OPTIONS=-agentlib:hprof
 
 # Each entry in this list results in the creation of
 # one Secret resource (it's a generator of n secrets).
-# A command can do anything to get a secret,
-# e.g. prompt the user directly, start a webserver to
-# initate an oauth dance, etc.
 secretGenerator:
 - name: app-tls
-  commands:
-    tls.crt: "cat secret/tls.cert"
-    tls.key: "cat secret/tls.key"
+  files:
+    - secret/tls.cert
+    - secret/tls.key
+  type: "kubernetes.io/tls"
+- name: app-tls-namespaced
+  # you can define a namespace to generate secret in, defaults to: "default"
+  namespace: apps
+  files:
+    - tls.crt=catsecret/tls.cert
+    - tls.key=secret/tls.key
   type: "kubernetes.io/tls"
-- name: downloaded_secret
-  # timeoutSeconds specifies the number of seconds to
-  # wait for the commands below. It defaults to 5 seconds.
-  timeoutSeconds: 30
-  commands:
-    username: "curl -s https://path/to/secrets/username.yaml"
-    password: "curl -s https://path/to/secrets/password.yaml"
-  type: Opaque
 - name: env_file_secret
-  # envCommand is similar to command but outputs lines of key=val pairs
-  # i.e. a Docker .env file or a .ini file.
-  # you can only specify one envCommand per secret.
-  envCommand: printf \"DB_USERNAME=admin\nDB_PASSWORD=somepw\"
+  # env is a path to a file to read lines of key=val
+  # you can only specify one env file per secret.
+  env: env.txt
   type: Opaque
 
+# generatorOptions modify behavior of all ConfigMap and Secret generators
+generatorOptions:
+  # labels to add to all generated resources
+  labels:
+    kustomize.generated.resources: somevalue
+  # annotations to add to all generated resources
+  annotations:
+    kustomize.generated.resource: somevalue
+  # disableNameSuffixHash is true disables the default behavior of adding a
+  # suffix to the names of generated resources that is a hash of
+  # the resource contents.
+  disableNameSuffixHash: true
+
 # Each entry in this list should resolve to a directory
 # containing a kustomization file, else the
 # customization fails.
@@ -133,11 +156,46 @@ bases:
 # a memory request/limit, change an env var in a
 # ConfigMap, etc.  Small patches are easy to review and
 # easy to mix together in overlays.
-patches:
+patchesStrategicMerge:
 - service_port_8888.yaml
 - deployment_increase_replicas.yaml
 - deployment_increase_memory.yaml
 
+# Each entry in this list should resolve to
+# a kubernetes object and a JSON patch that will be applied
+# to the object.
+# The JSON patch is documented at https://tools.ietf.org/html/rfc6902
+#
+# target field points to a kubernetes object within the same kustomization
+# by the object's group, version, kind, name and namespace.
+# path field is a relative file path of a JSON patch file.
+# The content in this patch file can be either in JSON format as
+#
+#  [
+#    {"op": "add", "path": "/some/new/path", "value": "value"},
+#    {"op": "replace", "path": "/some/existing/path", "value": "new value"}
+#  ]
+#
+# or in YAML format as
+#
+# - op: add
+#   path: /some/new/path
+#   value: value
+# - op:replace
+#   path: /some/existing/path
+#   value: new value
+#
+patchesJson6902:
+- target:
+    version: v1
+    kind: Deployment
+    name: my-deployment
+  path: add_init_container.yaml
+- target:
+    version: v1
+    kind: Service
+    name: my-service
+  path: add_service_annotation.yaml
 
 # Each entry in this list should be a relative path to
 # a file for custom resource definition(CRD).
@@ -147,18 +205,20 @@ patches:
 # transformation for any objects in those types.
 #
 # Typical use case: A CRD object refers to a ConfigMap object.
-# In kustomization, the ConfigMap object name may change by adding namePrefix or hashing
+# In kustomization, the ConfigMap object name may change by adding namePrefix, nameSuffix, or hashing
 # The name reference for this ConfigMap object in CRD object need to be
-# updated with namePrefix or hashing in the same way.
+# updated with namePrefix, nameSuffix, or hashing in the same way.
 crds:
 - crds/typeA.yaml
 - crds/typeB.yaml
 
-# Vars are used to insert values from resources that cannot be referenced
-# otherwise. For example if you need to pass a Service's name to the arguments
-# or environment variables of a program but without hard coding the actual name
-# of the Service you'd insert `$(MY_SERVICE_NAME)` into the value field of the
-# env var or into the command or args of the container as shown here:
+# Vars are used to capture text from one resource's field
+# and insert that text elsewhere.
+#
+# For example, suppose one specify the name of a k8s Service
+# object in a container's command line, and the name of a
+# k8s Secret object in a container's environment variable,
+# so that the following would work:
 # ```
 #   containers:
 #     - image: myimage
@@ -168,19 +228,8 @@ crds:
 #           value: $(SOME_SECRET_NAME)
 # ```
 #
-# Then you'll add an entry to `vars:` like shown below with the same name
-# and a reference to the resource from which to pull the field's value.
-# The actual field's path is optional and by default it will use
-# `metadata.name`. Currently only string type fields are supported, no integers
-# or booleans, etc. Also array access is currently not possible. For example getting
-# the image field of container number 2 inside of a pod can currently not be done.
+# To do so, add an entry to `vars:` as follows:
 #
-# Not every location of a variable is supported. To see a complete list of locations
-# see the file [refvars.go](https://github.com/kubernetes-sigs/kustomize/blob/master/pkg/transformers/refvars.go#L20).
-#
-# An example of a situation where you'd not use vars is when you'd like to set a
-# pod's `serviceAccountName`. In that case you would just reference the ServiceAccount
-# by name and Kustomize will resolve it to the eventual name while building the manifests.
 vars:
   - name: SOME_SECRET_NAME
     objref:
@@ -201,19 +250,64 @@ vars:
       apiVersion: apps/v1
     fieldref:
       fieldpath: spec.template.spec.restartPolicy
+#
+# A var is a tuple of variable name, object reference and field
+# reference within that object.  That's where the text is found.
+#
+# The field reference is optional; it defaults to `metadata.name`,
+# a normal default, since kustomize is used to generates or
+# modify the names of resources.
+#
+# At time of writing, only string type fields are supported.
+# No ints, bools, arrays etc.  It's not possible to, say,
+# extract the name of the image in container number 2 of
+# some pod template.
+#
+# A variable reference, i.e. the string '$(FOO)', can only
+# be placed in particular fields of particular objects as
+# specified by kustomize's configuration data.
+#
+# The default config data for vars is at
+# https://github.com/kubernetes-sigs/kustomize/blob/master/pkg/transformers/config/defaultconfig/varreference.go
+# Long story short, the default targets are all
+# container command args and env value fields.
+#
+# Vars should _not_ be used for inserting names in places
+# where kustomize is already handling that job.  E.g.,
+# a Deployment may reference a ConfigMap by name, and
+# if kustomize changes the name of a ConfigMap, it knows
+# to change the name reference in the Deployment.
 
-# ImageTags modify the tags for images without creating patches.
-# E.g. Given this fragment of a Deployment:
+
+# Images modify the name, tags and/or digest for images without creating patches.
+# E.g. Given this kubernetes Deployment fragment:
 # ```
 #  containers:
-#    - name: myapp
-#      image: mycontainerregistry/myimage:v0
+#    - name: mypostgresdb
+#      image: postgres:8
 #    - name: nginxapp
 #      image: nginx:1.7.9
+#    - name: myapp
+#      image: my-demo-app:latest
+#    - name: alpine-app
+#      image: alpine:3.7
 #```
-# one can change the tag of myimage to v1 and the tag of nginx to 1.8.0 with the following:
-imageTags:
-  - name: mycontainerregistry/myimage
+# one can change the `image` in the following ways:
+# 
+# - `postgres:8` to `my-registry/my-postgres:v1`,
+# - nginx tag `1.7.9` to `1.8.0`,
+# - image name `my-demo-app` to `my-app`,
+# - alpine's tag `3.7` to a digest value
+#
+# all with the following *kustomization*:
+
+images:
+  - name: postgres
+    newName: my-registry/my-postgres
     newTag: v1
   - name: nginx
     newTag: 1.8.0
+  - name: my-demo-app
+    newName: my-app
+  - name: alpine
+    digest: sha256:24a0c4b4a4c0eb97a1aabb8e29f18e917d05abfe1b7a7c07857230879ce7d3d3

docs/versioningPolicy.md

@@ -0,0 +1,221 @@
+# Versioning
+
+Running `kustomize` means one is running a
+particular version of a program, reading a
+particular version of a [kustomization] file.
+
+## Program Versioning
+
+The command `kustomize version` prints a three
+field version tag (e.g. `1.0.11`) that aspires to
+[semantic versioning].
+
+When enough changes have accumulated to
+(subjectively) warrant a new release,
+a [release process] is followed, and the
+fields in the version number are bumped
+per semver.
+
+## Kustomization File Versioning
+
+At the time of writing (circa release of v2.0.0):
+
+ - A [kustomization] file is just a YAML file that
+   can be successfully parsed into a particular Go
+   struct defined in the `kustomize` binary.
+
+ - This struct does not have a version number,
+   which is the same as saying that its version
+   number matches the program's version number,
+   since it's compiled in.
+
+### Field Change Policy
+
+- A field's meaning cannot be changed.
+
+- A field may be deprecated, then removed.
+
+- Deprecation means triggering a _minor_ (semver)
+  version bump in the program, and
+  defining a migration path in a non-fatal
+  error message.
+
+- Removal means triggering a _major_ (semver)
+  version bump, and fatal error if field encountered
+  (as with any unknown field).
+
+### The `edit fix` Command
+
+This `kustomize` command reads a Kustomization
+file, converts deprecated fields to new
+fields, and writes it out again in the latest
+format.
+
+This is a type version upgrade mechanism that
+works within _major_ program revisions.  There is
+no downgrade capability, as there's no use case
+for it (see discussion below).
+
+### Examples
+
+At the time of writing, in v1.0.x, there were 12
+minor releases, with backward compatible
+deprecations fixable via `edit fix`.
+
+With the 2.0.0 release, there were three field
+removals:
+
+- `imageTag` was deprecated when `image` was
+   introduced, because the latter offers more
+   general features for image data manipulation.
+   `imageTag` was removed in v2.0.0.
+
+- `patches` was deprecated and replaced by
+   `PatchesStrategicMerge` when `PatchesJson6902`
+   was introduced, to make a clearer
+   distinction between patch specification formats.
+   `patches` was removed in v2.0.0.
+
+- `secretGenerator/commands` was removed
+   due to security concerns in v2.0.0
+   with no deprecation period.
+
+The `edit fix` command in a v2.0.x binary
+will no longer recognize these fields.
+
+## Relationship to the k8s API
+
+### Review of k8s API versioning
+
+The k8s API has specific [conventions] and a
+process for making a [changes].
+
+The presence of an `apiVersion` field in a k8s
+native type signals:
+
+ - its reliability level (alpha vs beta vs
+   generally available),
+
+ - the existence of code to provide default values
+   to fields not present in a serialization,
+   
+ - the existence of code to provide both forward
+   and backward conversion between different
+   versions of types.
+   
+The k8s API promises a lossless _conversion_
+between versions over a specific range.  This
+means that a recent client can write an object
+bearing the newest possible value for its version,
+the server will accept it and store it in
+"versionless" JSON form in storage, and can
+convert it to a range of older versions should
+an older client request data.
+
+For native k8s types, this all requires writing Go
+code in the kubernetes core repo, to provide
+defaulting and conversions.
+
+For CRDs, there's a [proposal] on how to manage
+versioning (e.g. a remote service can offer type
+defaulting and conversions).
+
+### Kustomization file versioning
+
+The critical difference between k8s API versioning
+and kustomization file versioning is
+
+ - A k8s API server is able to go _forward_ and
+   _backward_ in versioning, to work with older
+   clients, over [some range].
+
+ - The `kustomize edit fix` command only moves
+   _forward_ within a _major_ program
+   version.
+
+At the time of writing, the YAML in a
+kustomization file does not represent a [k8s API]
+object, and the kustomize command and associated
+library is neither a server of, nor a client to,
+the k8s API.
+
+### Additional Kustomization file rules
+
+In addition to the [field change policy] described
+above, kustomization files conform to
+the following rules.
+
+#### Eschew classic k8s fields
+
+Field names with dedicated meaning in k8s
+(`metadata`, `spec`, `status`, etc.)  aren't used.
+
+This is enforced via code review.
+
+#### Optional use of k8s `kind` and `apiVersion`
+
+At the time of writing two [special] k8s
+resource fields are allowed, but not required, in
+a kustomization file: [`kind`] and [`apiVersion`].
+
+If either field is present, they both must be, and
+they must have the following values:
+
+```
+kind: Kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+```
+
+They are allowed to exist and have specific values
+in a kustomization file only as a sort of
+domain-squatting behavior for some future API.  A
+kustomize user gains nothing from adding these
+fields to a kustomization file.
+
+### Why not require `kind` and `apiVersion`?
+
+#### Ease of use and setting proper expectations
+
+Use cases for a kustomization file don't include a
+server storing muliple k8s kinds and offering
+version downgrades.
+
+The kustomization file is more akin to a
+`Makefile`.  A kustomize command can either read a
+kustomization file, or it cannot, and in the later
+case will complain as specifically as possible
+about why (e.g. `unknown field Foo`).
+
+So requiring a `kind` and `apiVersion` would just
+be boilerplate in a user's files, and in all the
+examples and tests.
+
+Nevertheless, _a user still benefits from a
+versioning policy_ and has a `fix` command to
+upgrade files as needed.
+
+#### We can change our minds
+
+When/if the kustomization struct graduates to some
+kind of API status, with an expectation of
+"versionless" storage and downgrade capability,
+whatever it looks like at that moment can be
+locked into `/v1beta1` or `/v1` and the `kind`
+and `apiVersion` fields can be required from that
+moment forward.
+
+
+[field change policy]: #field-change-policy
+[some range]: https://kubernetes.io/docs/reference/using-api/deprecation-policy
+[proposal]: https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/customresources-versioning.md
+[beta-level rules]: https://github.com/kubernetes/community/blob/master/contributors/devel/api_changes.md#alpha-beta-and-stable-versions
+[changes]: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api_changes.md
+[adapt]: https://github.com/kubernetes-sigs/kustomize/blob/master/pkg/types/kustomization.go#L166
+[special]: https://github.com/kubernetes/community/blob/master/contributors/devel/api-conventions.md#resources
+[k8s API]: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md
+[conventions]: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-architecture/api-conventions.md
+[release process]: ../build/README.md
+[kustomization]: glossary.md#kustomization
+[`kind`]: https://github.com/kubernetes/community/blob/master/contributors/devel/api-conventions.md#types-kinds
+[`apiVersion`]: https://kubernetes.io/docs/concepts/overview/kubernetes-api/#api-versioning
+[semantic versioning]: https://semver.org

docs/workflows.md

@@ -1,11 +1,11 @@
-[OTS]: glossary.md#off-the-shelf
+[OTS]: glossary.md#off-the-shelf-configuration
 [apply]: glossary.md#apply
 [applying]: glossary.md#apply
 [base]: glossary.md#base
 [fork]: https://guides.github.com/activities/forking/
 [variants]: glossary.md#variant
 [kustomization]: glossary.md#kustomization
-[off-the-shelf]: glossary.md#off-the-shelf
+[off-the-shelf]: glossary.md#off-the-shelf-configuration
 [overlays]: glossary.md#overlay
 [patch]: glossary.md#patch
 [patches]: glossary.md#patch

examples/README.md

@@ -7,7 +7,7 @@ tests, and should work with HEAD
 
 <!-- @installkustomize @test -->
 ```
-go get github.com/kubernetes-sigs/kustomize
+go get sigs.k8s.io/kustomize
 ```
 
  * [hello world](helloWorld/README.md) - Deploy multiple
@@ -29,14 +29,21 @@ go get github.com/kubernetes-sigs/kustomize
    
  * [configGenerations](configGeneration.md) -
    Rolling update when ConfigMapGenerator changes
+ 
+ * [generatorOptions](generatorOptions.md) - Modifying behavior of all ConfigMap and Secret generators.  
 
  * [breakfast](breakfast.md) - Customize breakfast for
    Alice and Bob.
    
- * [container args](wordpress/README.md) - Injecting k8s runtime data into container arguments (e.g. to point wordpress to a SQL service).
+ * [vars](wordpress/README.md) - Injecting k8s runtime data into container arguments (e.g. to point wordpress to a SQL service) by vars.
  
- * [image tags](imageTags.md) - Updating image tags without applying a patch.
+ * [image names and tags](image.md) - Updating image names and tags without applying a patch.
 
  * [multibases](multibases/README.md) - Composing three variants (dev, staging, production) with a common base.
 
  * [remote target](remoteBuild.md) - Building a kustomization from a github URL
+ 
+ * [json patch](jsonpatch.md) - Apply a json patch in a kustomization
+ 
+ * [transformer configs](transformerconfigs/README.md) - Customize transformer configurations
+ 

examples/breakfast.md

@@ -73,7 +73,7 @@ commonLabels:
   who: alice
 bases:
 - ../../base
-patches:
+patchesStrategicMerge:
 - temperature.yaml
 EOF
 
@@ -96,7 +96,7 @@ commonLabels:
   who: bob
 bases:
 - ../../base
-patches:
+patchesStrategicMerge:
 - topping.yaml
 EOF
 

examples/combineConfigs.md

@@ -92,9 +92,9 @@ secret holding them (not covering that here).
 <!--
 secretGenerator:
 - name: app-tls
-  commands:
-    tls.crt: "cat tls.cert"
-    tls.key: "cat tls.key"
+  files:
+    tls.crt=tls.cert
+    tls.key=tls.key
   type: "kubernetes.io/tls"
 EOF
 -->
@@ -194,6 +194,7 @@ cat <<EOF >$OVERLAYS/development/kustomization.yaml
 bases:
 - ../../base
 namePrefix: dev-
+nameSuffix: -v1
 configMapGenerator:
 - name: my-configmap
   behavior: merge
@@ -215,11 +216,12 @@ kustomize build $OVERLAYS/development
 The name of the generated `ConfigMap` is visible in this
 output.
 
-The name should be something like `dev-my-configmap-b5m75ck895`:
+The name should be something like `dev-my-configmap-v1-2gccmccgd5`:
 
  * `"dev-"` comes from the `namePrefix` field,
  * `"my-configmap"` comes from the `configMapGenerator/name` field,
- * `"-b5m75ck895"` comes from a deterministic hash that `kustomize`
+ * `"-v1"` comes from the `nameSuffix` field,
+ * `"-2gccmccgd5"` comes from a deterministic hash that `kustomize`
     computes from the contents of the configMap.
 
 The hash suffix is critical.  If the configMap content
@@ -291,7 +293,7 @@ kustomize build $OVERLAYS/production
 ```
 
 A CICD process could apply this directly to
-the cluser using:
+the cluster using:
 
 > ```
 > kustomize build $OVERLAYS/production | kubectl apply -f -

examples/configGeneration.md

@@ -1,6 +1,6 @@
-[patch]: ../../docs/glossary.md#patch
-[resource]: ../../docs/glossary.md#resource
-[variant]: ../../docs/glossary.md#variant
+[patch]: ../docs/glossary.md#patch
+[resource]: ../docs/glossary.md#resource
+[variant]: ../docs/glossary.md#variant
 
 ## ConfigMap generation and rolling updates
 
@@ -60,6 +60,7 @@ mkdir -p $OVERLAYS/staging
 
 cat <<'EOF' >$OVERLAYS/staging/kustomization.yaml
 namePrefix: staging-
+nameSuffix: -v1
 commonLabels:
   variant: staging
   org: acmeCorporation
@@ -67,7 +68,7 @@ commonAnnotations:
   note: Hello, I am staging!
 bases:
 - ../../base
-patches:
+patchesStrategicMerge:
 - map.yaml
 EOF
 
@@ -150,13 +151,17 @@ The configMap name is prefixed by _staging-_, per the
 `namePrefix` field in
 `$OVERLAYS/staging/kustomization.yaml`.
 
+The configMap name is suffixed by _-v1_, per the
+`nameSuffix` field in
+`$OVERLAYS/staging/kustomization.yaml`.
+
 The suffix to the configMap name is generated from a
 hash of the maps content - in this case the name suffix
-is _hhhhkfmgmk_:
+is _k25m8k5k5m_:
 
 <!-- @grepStagingHash @test -->
 ```
-kustomize build $OVERLAYS/staging | grep hhhhkfmgmk
+kustomize build $OVERLAYS/staging | grep k25m8k5k5m
 ```
 
 Now modify the map patch, to change the greeting
@@ -164,7 +169,7 @@ the server will use:
 
 <!-- @changeMap @test -->
 ```
-sed -i 's/pineapple/kiwi/' $OVERLAYS/staging/map.yaml
+sed -i.bak 's/pineapple/kiwi/' $OVERLAYS/staging/map.yaml
 ```
 
 See the new greeting:
@@ -183,20 +188,20 @@ kustomize build $OVERLAYS/staging |\
 ```
 
 Confirm that the change in configMap content resulted
-in three new names ending in _khk45ktkd9_ - one in the
+in three new names ending in _cd7kdh48fd_ - one in the
 configMap name itself, and two in the deployment that
 uses the map:
 
 <!-- @countHashes @test -->
 ```
 test 3 == \
-  $(kustomize build $OVERLAYS/staging | grep khk45ktkd9 | wc -l); \
+  $(kustomize build $OVERLAYS/staging | grep cd7kdh48fd | wc -l); \
   echo $?
 ```
 
 Applying these resources to the cluster will result in
 a rolling update of the deployments pods, retargetting
-them from the _hhhhkfmgmk_ maps to the _khk45ktkd9_
+them from the _k25m8k5k5m_ maps to the _cd7kdh48fd_
 maps.  The system will later garbage collect the
 unused maps.
 

examples/generatorOptions.md

@@ -0,0 +1,60 @@
+# Generator Options
+
+Kustomize provides options to modify the behavior of ConfigMap and Secret generators. These options include
+ 
+ - disable appending a content hash suffix to the names of generated resources
+ - adding labels to generated resources
+ - adding annotations to generated resources
+ 
+This demo shows how to use these options. First create a workspace.
+```
+DEMO_HOME=$(mktemp -d)
+```
+
+Create a kustomization and add a ConfigMap generator to it.
+
+<!-- @createCMGenerator @test -->
+```
+cat > $DEMO_HOME/kustomization.yaml << EOF
+configMapGenerator:
+- name: my-configmap
+  literals:	
+  - foo=bar
+  - baz=qux
+EOF
+```
+
+Add following generatorOptions
+<!-- @addGeneratorOptions @test -->
+```
+cat >> $DEMO_HOME/kustomization.yaml << EOF
+generatorOptions:
+ disableNameSuffixHash: true
+ labels:
+   kustomize.generated.resource: somevalue
+ annotations:
+   annotations.only.for.generated: othervalue
+EOF
+```
+Run `kustomize build` and make sure that the generated ConfigMap
+ 
+ - doesn't have name suffix
+    <!-- @verify @test -->
+    ```
+    test 1 == \
+    $(kustomize build $DEMO_HOME | grep "name: my-configmap$" | wc -l); \
+    echo $?
+    ```
+ - has label `kustomize.generated.resource: somevalue`
+     ```
+     test 1 == \
+     $(kustomize build $DEMO_HOME | grep -A 1 "labels" | grep "kustomize.generated.resource" | wc -l); \
+     echo $?
+     ```
+ - has annotation `annotations.only.for.generated: othervalue`
+      ```
+      test 1 == \
+      $(kustomize build $DEMO_HOME | grep -A 1 "annotations" | grep "annotations.only.for.generated" | wc -l); \
+      echo $?
+      ```
+      

examples/helloWorld/README.md

@@ -108,16 +108,10 @@ label_ applied to all resources:
 
 <!-- @addLabel @test -->
 ```
-sed -i 's/app: hello/app: my-hello/' \
+sed -i.bak 's/app: hello/app: my-hello/' \
     $BASE/kustomization.yaml
 ```
 
-On a Mac, use:
-```
-sed -i '' $pattern $file
-```
-to get in-place editing.
-
 See the effect:
 <!-- @checkLabel @test -->
 ```
@@ -156,7 +150,7 @@ commonAnnotations:
   note: Hello, I am staging!
 bases:
 - ../../base
-patches:
+patchesStrategicMerge:
 - map.yaml
 EOF
 ```
@@ -197,7 +191,7 @@ commonAnnotations:
   note: Hello, I am production!
 bases:
 - ../../base
-patches:
+patchesStrategicMerge:
 - deployment.yaml
 EOF
 ```

examples/image.md

@@ -1,4 +1,4 @@
-# Demo: change image tags
+# Demo: change image names and tags
 
 
 Define a place to work:
@@ -42,21 +42,22 @@ EOF
 ```
 
 The `myapp-pod` resource declares an initContainer and a container, both use the image `busybox:1.29.0`.
-The tag `1.29.0` can be changed by adding `imageTags` in `kustomization.yaml`.
+The image `busybox` and tag `1.29.0` can be changed by adding `images` in `kustomization.yaml`.
 
 
-Add `imageTags`:
-<!-- @addImageTags @test -->
+Add `images`:
+<!-- @addImages @test -->
 ```
 cd $DEMO_HOME
-kustomize edit set imagetag busybox:1.29.1
+kustomize edit set image busybox=alpine:3.6
 ```
 
-The `kustomization.yaml` will be added following `imageTags`.
+The following `images` will be added to `kustomization.yaml`:
 > ```
-> imageTags:
+> images:
 > - name: busybox
->   newTag: 1.29.1
+>   newName: alpine
+>   newTag: 3.6
 > ```
 
 Now build this `kustomization`
@@ -65,11 +66,11 @@ Now build this `kustomization`
 kustomize build $DEMO_HOME
 ```
 
-Confirm that this replaces _both_ busybox tags:
+Confirm that this replaces _both_ busybox images and tags for `alpine:3.6`:
 
-<!-- @confirmTags @test -->
+<!-- @confirmImages @test -->
 ```
-test 2 == \
-  $(kustomize build $DEMO_HOME | grep busybox:1.29.1 | wc -l); \
+test 2 = \
+  $(kustomize build $DEMO_HOME | grep alpine:3.6 | wc -l); \
   echo $?
 ```

examples/integration_tests.sh

@@ -48,7 +48,7 @@ function setUpEnv {
   [[ $? -eq 0 ]] || "Failed to cd to $repo"
   echo "pwd is " `pwd`
 
-  local expectedRepo=kubernetes-sigs/kustomize
+  local expectedRepo=sigs.k8s.io/kustomize
   if [[ `pwd` != */$expectedRepo ]]; then
     exitWith "Script must be run from $expectedRepo"
   fi

examples/jsonpatch.md

@@ -0,0 +1,118 @@
+# Demo: applying a json patch
+
+A kustomization file supports customizing resources via [JSON patches](https://tools.ietf.org/html/rfc6902).
+
+The example below modifies an `Ingress` object with such a patch.
+
+Make a `kustomization` containing an ingress resource.
+
+<!-- @createIngress @test -->
+```
+DEMO_HOME=$(mktemp -d)
+
+cat <<EOF >$DEMO_HOME/kustomization.yaml
+resources:
+- ingress.yaml
+EOF
+
+cat <<EOF >$DEMO_HOME/ingress.yaml
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: my-ingress
+spec:
+  rules:
+  - host: foo.bar.com
+    http:
+      paths:
+      - backend:
+          serviceName: my-api
+          servicePort: 80
+EOF
+```
+
+Declare a JSON patch file to update two fields of the Ingress object:
+
+- change host from `foo.bar.com` to `foo.bar.io`
+- change servicePort from `80` to `8080`
+
+<!-- @addJsonPatch @test -->
+```
+cat <<EOF >$DEMO_HOME/ingress_patch.json
+[
+  {"op": "replace", "path": "/spec/rules/0/host", "value": "foo.bar.io"},
+  {"op": "replace", "path": "/spec/rules/0/http/paths/0/backend/servicePort", "value": 8080}
+]
+EOF
+```
+
+You can also write the patch in YAML format. This example also shows the "add" operation:
+
+<!-- @addYamlPatch @test -->
+```
+cat <<EOF >$DEMO_HOME/ingress_patch.yaml
+- op: replace
+  path: /spec/rules/0/host
+  value: foo.bar.io
+
+- op: add
+  path: /spec/rules/0/http/paths/-
+  value:
+    path: '/test'
+    backend:
+      serviceName: my-test
+      servicePort: 8081
+EOF
+```
+
+Apply the patch by adding _patchesJson6902_ field in kustomization.yaml
+
+<!-- @applyJsonPatch @test -->
+```
+cat <<EOF >>$DEMO_HOME/kustomization.yaml
+patchesJson6902:
+- target:
+    group: extensions
+    version: v1beta1
+    kind: Ingress
+    name: my-ingress
+  path: ingress_patch.json
+EOF
+```
+
+Running `kustomize build $DEMO_HOME`, in the output confirm that host has been updated correctly.
+<!-- @confirmHost @test -->
+```
+test 1 == \
+  $(kustomize build $DEMO_HOME | grep "host: foo.bar.io" | wc -l); \
+  echo $?
+```
+Running `kustomize build $DEMO_HOME`, in the output confirm that the servicePort has been updated correctly.
+<!-- @confirmServicePort @test -->
+```
+test 1 == \
+  $(kustomize build $DEMO_HOME | grep "servicePort: 8080" | wc -l); \
+  echo $?
+```
+
+If the patch is YAML-formatted, it will be parsed correctly:
+
+<!-- @applyYamlPatch @test -->
+```
+cat <<EOF >>$DEMO_HOME/kustomization.yaml
+patchesJson6902:
+- target:
+    group: extensions
+    version: v1beta1
+    kind: Ingress
+    name: my-ingress
+  path: ingress_patch.yaml
+EOF
+```
+
+<!-- @confirmYamlPatch @test -->
+```
+test 1 == \
+  $(kustomize build $DEMO_HOME | grep "path: /test" | wc -l); \
+  echo $?
+```

examples/ldap/overlays/production/kustomization.yaml

@@ -1,5 +1,5 @@
 bases:
   - ../../base
-patches:
+patchesStrategicMerge:
   - deployment.yaml
 namePrefix: production-

examples/ldap/overlays/staging/kustomization.yaml

@@ -1,6 +1,6 @@
 bases:
   - ../../base
-patches:
+patchesStrategicMerge:
   - deployment.yaml
 nameprefix: staging-
 configMapGenerator:

examples/multibases/README.md

@@ -107,7 +107,7 @@ Now the workspace has following directories
 >     └── kustomization.yaml
 > ```
 
-Confirm that the `kustomize build` output contains three pod objects from dev, staing and production variants.
+Confirm that the `kustomize build` output contains three pod objects from dev, staging and production variants.
 
 <!-- @confirmVariants @test -->
 ```

examples/mySql/README.md

@@ -136,7 +136,7 @@ a label, but one can always edit `kustomization.yaml` directly:
 
 <!-- @customizeLabels @test -->
 ```
-sed -i 's/app: helloworld/app: prod/' \
+sed -i.bak 's/app: helloworld/app: prod/' \
     $DEMO_HOME/kustomization.yaml
 ```
 
@@ -150,7 +150,7 @@ Off the shelf MySQL uses `emptyDir` type volume, which
 gets wiped away if the MySQL Pod is recreated, and that
 is certainly not desirable for production
 environment. So we want to use Persistent Disk in
-production. kustomize lets you apply `patches` to the
+production. kustomize lets you apply `patchesStrategicMerge` to the
 resources.
 
 <!-- @createPatchFile @test -->
@@ -176,11 +176,13 @@ Add the patch file to `kustomization.yaml`:
 <!-- @specifyPatch @test -->
 ```
 cat <<'EOF' >> $DEMO_HOME/kustomization.yaml
-patches:
+patchesStrategicMerge:
 - persistent-disk.yaml
 EOF
 ```
 
+A `mysql-persistent-storage` persistent disk needs to exist for it to run successfully.
+
 Lets break this down:
 
 - In the first step, we created a YAML file named
@@ -188,7 +190,7 @@ Lets break this down:
   in deployment.yaml
 
 - Then we added `persistent-disk.yaml` to list of
-  `patches` in `kustomization.yaml`. `kustomize build`
+  `patchesStrategicMerge` in `kustomization.yaml`. `kustomize build`
   will apply this patch to the deployment resource with
   the name `mysql` as defined in the patch.
 

examples/mySql/secret.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Secret
 metadata:
   creationTimestamp: null
-  name: mysql-pass-d2gtcm2t2k
+  name: mysql-pass
 type: Opaque
 data:
   # Default password is "admin".

examples/remoteBuild.md

@@ -16,6 +16,17 @@ test 3 == \
   echo $?
 ```
 
+Overlays can be remote as well:
+
+<!-- @remoteOverlayBuild @test -->
+
+```
+target=github.com/kubernetes-sigs/kustomize//examples/multibases/dev/?ref=v1.0.6
+test 1 == \
+  $(kustomize build $target | grep cluster-a-dev-myapp-pod | wc -l); \
+  echo $?
+```
+
 A base can also be specified as a URL:
 
 <!-- @createOverlay @test -->
@@ -55,4 +66,4 @@ Here are some example urls pointing to Github repos following this convention.
   `github.com/Liujingfang1/kustomize//examples/helloWorld?ref=repoUrl2`
 - a subdirectory in a repo on commit `7050a45134e9848fca214ad7e7007e96e5042c03`
 
-  `github.com/Liujingfang1/kustomize//examples/helloWorld?ref=7050a45134e9848fca214ad7e7007e96e5042c03`
+  `github.com/Liujingfang1/kustomize//examples/helloWorld?ref=7050a45134e9848fca214ad7e7007e96e5042c03`

examples/springboot/README.md

@@ -291,7 +291,7 @@ kustomize edit add patch healthcheck_patch.yaml
 `kustomization.yaml` should have patches field:
 
 > ```
-> patches:
+> patchesStrategicMerge:
 > - patch.yaml
 > - memorylimit_patch.yaml
 > - healthcheck_patch.yaml

examples/springboot/overlays/production/kustomization.yaml

@@ -1,6 +1,6 @@
 bases:
 - ../../base
-patches:
+patchesStrategicMerge:
 - patch.yaml
 - healthcheck_patch.yaml
 - memorylimit_patch.yaml

examples/transformerconfigs/README.md

@@ -0,0 +1,96 @@
+# Transformer Configurations
+
+Kustomize computes the resources by applying a series of transformers:
+- namespace transformer
+- prefix/suffix transformer
+- label transformer
+- annotation transformer
+- name reference transformer
+- variable reference transformer
+
+Each transformer takes a list of resources and modifies certain fields. The modification is based on the transformer's rule.
+The fields to update is the transformer's configuration, which is a list of filedspec that can be represented in YAML format.
+
+## fieldSpec
+FieldSpec is a type to represent a path to a field in one kind of resources. It has following format
+```
+group: some-group
+version: some-version
+kind: some-kind
+path: path/to/the/field
+create: false
+```
+If `create` is set to true, it indicates the transformer to create the path if it is not found in the resources. This is most useful for label and annotation transformers, where the path for labels or annotations may not be set before the transformation.
+
+## prefix/suffix transformer
+Name prefix suffix transformer adds prefix and suffix to the `metadata/name` field for all resources with following configuration:
+```
+namePrefix:
+- path: metadata/name
+```
+
+## label transformer
+Label transformer adds labels to `metadata/labels` field for all resources. It also adds labels to `spec/selector` field in all Service and to `spec/selector/matchLabels` field in all Deployment.
+```
+commonLabels:
+- path: metadata/labels
+  create: true
+
+- path: spec/selector
+  create: true
+  version: v1
+  kind: Service
+
+- path: spec/selector/matchLabels
+  create: true
+  kind: Deployment
+  (etc.)  
+```
+
+## name reference transformer
+Name reference transformer's configuration is different from all other transformers. It contains a list of namebackreferences, which represented all the possible fields that a type could be used as a reference in other types of resources. A namebackreference contains a type such as ConfigMap as well as a list of FieldSpecs where ConfigMap is referenced. Here is an example.
+```
+kind: ConfigMap
+version: v1
+FieldSpecs:
+- kind: Pod
+  version: v1
+  path: spec/volumes/configMap/name
+- kind: Deployment
+  path: spec/template/spec/volumes/configMap/name
+- kind: Job
+  path: spec/template/spec/volumes/configMap/name
+  (etc.)
+```
+Name reference transformer configuration contains a list of such namebackreferences for ConfigMap, Secret, Service, Role, ServiceAccount and so on.
+```
+nameReference:
+- kind: ConfigMap
+  version: v1
+  fieldSpecs:
+  - path: spec/volumes/configMap/name
+    version: v1
+    kind: Pod
+  - path: spec/containers/env/valueFrom/configMapKeyRef/name
+    version: v1
+    kind: Pod
+    (etc.)
+- kind: Secret
+  version: v1
+  fieldSpecs:
+  - path: spec/volumes/secret/secretName
+    version: v1
+    kind: Pod
+  - path: spec/containers/env/valueFrom/secretKeyRef/name
+    version: v1
+    kind: Pod
+    (etc.)    
+```
+
+## customizing transformer configurations
+
+Kustomize has a default set of configurations. They can be saved to local directory through `kustomize config save -d`. Kustomize allows modifying those configuration files and using them in kustomization.yaml file. This tutorial shows how to customize those configurations to
+- [support a CRD type](crd/README.md)
+- disabling adding commonLabels to fields in some kind of resources
+- add extra fields for variable substitution
+- add extra fields for name reference

examples/transformerconfigs/crd/README.md

@@ -0,0 +1,176 @@
+## Supporting Custom Resources (defined by a CRD)
+
+This tutorial shows how to add transformer configurations to support a custom resource.
+
+Create a workspace by
+<!-- @createws @test -->
+```
+DEMO_HOME=$(mktemp -d)
+```
+
+### Get the native config as a starting point
+
+Get the default transformer configurations using this command:
+
+<!-- @saveConfig @test -->
+```
+kustomize config save -d $DEMO_HOME/kustomizeconfig
+```
+The default configurations are saved
+in the directory `$DEMO_HOME/kustomizeconfig` as several files
+
+> ```
+> commonannotations.yaml
+> commonlabels.yaml
+> nameprefix.yaml
+> namereference.yaml
+> namespace.yaml
+> varreference.yaml
+> ```
+
+These files contain the field specifications for native resources
+that transformation directives like `namePrefix`, `commonLabels`, etc.
+need to do their work.
+
+These default configurations already include some common
+field specifictions for all types:
+
+- nameprefix is added to `.metadata.name`
+- namespace is added to `.metadata.namespace`
+- labels is added to `.metadata.labels`
+- annotations is added to `.metadata.annotations`
+
+### Adding a custom resource
+
+Consider a CRD of kind `MyKind` with fields
+- `.spec.secretRef.name` reference a Secret
+- `.spec.beeRef.name` reference an instance of CRD `Bee`
+- `.spec.containers.command` as the list of container commands
+- `.spec.selectors` as the label selectors
+
+Add the following file to configure the transformers for the above fields
+<!-- @addConfig @test -->
+```
+cat > $DEMO_HOME/kustomizeconfig/mykind.yaml << EOF
+
+commonLabels:
+- path: spec/selectors
+  create: true
+  kind: MyKind
+
+nameReference:
+- kind: Bee
+  fieldSpecs:
+  - path: spec/beeRef/name
+    kind: MyKind
+- kind: Secret
+  fieldSpecs:
+  - path: spec/secretRef/name
+    kind: MyKind
+
+varReference:
+- path: spec/containers/command
+  kind: MyKind
+- path: spec/beeRef/action
+  kind: MyKind
+
+EOF
+```
+
+### Apply config
+
+Create a file with some resources that
+includes an instance of `MyKind`:
+
+<!-- @createResource @test -->
+```
+cat > $DEMO_HOME/resources.yaml << EOF
+apiVersion: v1
+kind: Secret
+metadata:
+  name: crdsecret
+data:
+  PATH: YmJiYmJiYmIK
+---
+apiVersion: v1beta1
+kind: Bee
+metadata:
+  name: bee
+spec:
+  action: fly
+---
+apiVersion: jingfang.example.com/v1beta1
+kind: MyKind
+metadata:
+  name: mykind
+spec:
+  secretRef:
+    name: crdsecret
+  beeRef:
+    name: bee
+    action: \$(BEE_ACTION)
+  containers:
+  - command:
+    - "echo"
+    - "\$(BEE_ACTION)"
+    image: myapp
+EOF
+```
+
+Create a kustomization referring to it:
+
+<!-- @createKustomization @test -->
+```
+cat > $DEMO_HOME/kustomization.yaml << EOF
+resources:
+- resources.yaml
+
+namePrefix: test-
+
+commonLabels:
+  foo: bar
+
+vars:
+- name: BEE_ACTION
+  objref:
+    kind: Bee
+    name: bee
+    apiVersion: v1beta1
+  fieldref:
+    fieldpath: spec.action
+EOF
+```
+
+Use the customized transformer configurations by specifying them
+in the kustomization file:
+<!-- @addTransformerConfigs @test -->
+```
+cat >> $DEMO_HOME/kustomization.yaml << EOF
+configurations:
+- kustomizeconfig/mykind.yaml
+- kustomizeconfig/commonannotations.yaml
+- kustomizeconfig/commonlabels.yaml
+- kustomizeconfig/nameprefix.yaml
+- kustomizeconfig/namereference.yaml
+- kustomizeconfig/namespace.yaml
+- kustomizeconfig/varreference.yaml
+EOF
+```
+
+Run `kustomize build` and verify that the namereference is correctly resolved.
+
+<!-- @build @test -->
+```
+test 2 == \
+$(kustomize build $DEMO_HOME | grep -A 2 ".*Ref" | grep "test-" | wc -l); \
+echo $?    
+```
+
+Run `kustomize build` and verify that the vars correctly resolved.
+
+<!-- @verify @test -->
+```
+test 0 == \
+$(kustomize build $DEMO_HOME | grep "BEE_ACTION" | wc -l); \
+echo $?    
+```

examples/transformerconfigs/crd/kustomization.yaml

@@ -0,0 +1,16 @@
+resources:
+- resources.yaml
+
+namePrefix: test-
+
+commonLabels:
+  foo: bar
+
+vars:
+- name: BEE_ACTION
+  objref:
+    kind: Bee
+    name: bee
+    apiVersion: v1beta1
+  fieldref:
+    fieldpath: spec.action

examples/transformerconfigs/crd/resources.yaml

@@ -1,23 +1,29 @@
 apiVersion: v1
-data:
-  PATH: YmJiYmJiYmIK
 kind: Secret
 metadata:
-  name: test-crdsecret
+  name: crdsecret
+data:
+  PATH: YmJiYmJiYmIK
 ---
 apiVersion: v1beta1
 kind: Bee
 metadata:
-  name: test-bee
+  name: bee
 spec:
   action: fly
 ---
 apiVersion: jingfang.example.com/v1beta1
 kind: MyKind
 metadata:
-  name: test-mykind
+  name: mykind
 spec:
-  beeRef:
-    name: test-bee
   secretRef:
-    name: test-crdsecret
+    name: crdsecret
+  beeRef:
+    name: bee
+    action: $(BEE_ACTION)
+  containers:
+  - command:
+    - "echo"
+    - "$(BEE_ACTION)"
+    image: myapp

examples/wordpress/README.md

@@ -1,6 +1,6 @@
 # Demo: Injecting k8s runtime data into containers
 
-In this tutorial, you will learn how to use `kustomize` to declare a variable reference and substitute it in container's command.
+In this tutorial, you will learn how to use `kustomize` to declare a variable reference and substitute it in container's command. Note that, the substitution is not for arbitrary fields, it is only applicable to container env, args and command. 
 
 To run WordPress, it's necessary to
 
@@ -53,7 +53,7 @@ bases:
   - wordpress
   - mysql
 namePrefix: demo-
-patches:
+patchesStrategicMerge:
   - patch.yaml
 EOF
 ```

examples/wordpress/kustomization.yaml

@@ -1,7 +1,7 @@
 bases:
   - wordpress
   - mysql
-patches:
+patchesStrategicMerge:
   - patch.yaml
 namePrefix: demo-
 

k8sdeps/configmapandsecret/configmapfactory.go

@@ -18,59 +18,27 @@ limitations under the License.
 package configmapandsecret
 
 import (
-	"encoding/json"
 	"fmt"
 	"path"
 	"strings"
+	"unicode/utf8"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/hash"
-	"github.com/kubernetes-sigs/kustomize/pkg/loader"
-	"github.com/kubernetes-sigs/kustomize/pkg/types"
 	"github.com/pkg/errors"
 	"k8s.io/api/core/v1"
 	corev1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
-	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/validation"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/types"
 )
 
 // ConfigMapFactory makes ConfigMaps.
 type ConfigMapFactory struct {
-	fSys fs.FileSystem
-	ldr  loader.Loader
+	ldr ifc.Loader
 }
 
 // NewConfigMapFactory returns a new ConfigMapFactory.
-func NewConfigMapFactory(
-	fSys fs.FileSystem, l loader.Loader) *ConfigMapFactory {
-	return &ConfigMapFactory{fSys: fSys, ldr: l}
-}
-
-// MakeUnstructAndGenerateName returns an configmap and the name appended with a hash.
-func (f *ConfigMapFactory) MakeUnstructAndGenerateName(
-	args *types.ConfigMapArgs) (*unstructured.Unstructured, string, error) {
-	cm, err := f.MakeConfigMap(args)
-	if err != nil {
-		return nil, "", err
-	}
-	h, err := hash.ConfigMapHash(cm)
-	if err != nil {
-		return nil, "", err
-	}
-	nameWithHash := fmt.Sprintf("%s-%s", cm.GetName(), h)
-	unstructuredCM, err := objectToUnstructured(cm)
-	return unstructuredCM, nameWithHash, err
-}
-
-func objectToUnstructured(in runtime.Object) (*unstructured.Unstructured, error) {
-	marshaled, err := json.Marshal(in)
-	if err != nil {
-		return nil, err
-	}
-	var out unstructured.Unstructured
-	err = out.UnmarshalJSON(marshaled)
-	return &out, err
+func NewConfigMapFactory(l ifc.Loader) *ConfigMapFactory {
+	return &ConfigMapFactory{ldr: l}
 }
 
 func (f *ConfigMapFactory) makeFreshConfigMap(
@@ -79,13 +47,14 @@ func (f *ConfigMapFactory) makeFreshConfigMap(
 	cm.APIVersion = "v1"
 	cm.Kind = "ConfigMap"
 	cm.Name = args.Name
+	cm.Namespace = args.Namespace
 	cm.Data = map[string]string{}
 	return cm
 }
 
 // MakeConfigMap returns a new ConfigMap, or nil and an error.
 func (f *ConfigMapFactory) MakeConfigMap(
-	args *types.ConfigMapArgs) (*corev1.ConfigMap, error) {
+	args *types.ConfigMapArgs, options *types.GeneratorOptions) (*corev1.ConfigMap, error) {
 	var all []kvPair
 	var err error
 	cm := f.makeFreshConfigMap(args)
@@ -118,6 +87,10 @@ func (f *ConfigMapFactory) MakeConfigMap(
 			return nil, err
 		}
 	}
+	if options != nil {
+		cm.SetLabels(options.Labels)
+		cm.SetAnnotations(options.Annotations)
+	}
 	return cm, nil
 }
 
@@ -133,7 +106,7 @@ func keyValuesFromLiteralSources(sources []string) ([]kvPair, error) {
 	return kvs, nil
 }
 
-func keyValuesFromFileSources(ldr loader.Loader, sources []string) ([]kvPair, error) {
+func keyValuesFromFileSources(ldr ifc.Loader, sources []string) ([]kvPair, error) {
 	var kvs []kvPair
 	for _, s := range sources {
 		k, fPath, err := parseFileSource(s)
@@ -149,7 +122,7 @@ func keyValuesFromFileSources(ldr loader.Loader, sources []string) ([]kvPair, er
 	return kvs, nil
 }
 
-func keyValuesFromEnvFile(l loader.Loader, path string) ([]kvPair, error) {
+func keyValuesFromEnvFile(l ifc.Loader, path string) ([]kvPair, error) {
 	if path == "" {
 		return nil, nil
 	}
@@ -167,10 +140,27 @@ func addKvToConfigMap(configMap *v1.ConfigMap, keyName, data string) error {
 	if errs := validation.IsConfigMapKey(keyName); len(errs) != 0 {
 		return fmt.Errorf("%q is not a valid key name for a ConfigMap: %s", keyName, strings.Join(errs, ";"))
 	}
-	if _, entryExists := configMap.Data[keyName]; entryExists {
-		return fmt.Errorf("cannot add key %s, another key by that name already exists: %v", keyName, configMap.Data)
+
+	keyExistsErrorMsg := "cannot add key %s, another key by that name already exists: %v"
+
+	// If the configmap data contains byte sequences that are all in the UTF-8
+	// range, we will write it to .Data
+	if utf8.Valid([]byte(data)) {
+		if _, entryExists := configMap.Data[keyName]; entryExists {
+			return fmt.Errorf(keyExistsErrorMsg, keyName, configMap.Data)
+		}
+		configMap.Data[keyName] = data
+		return nil
 	}
-	configMap.Data[keyName] = data
+
+	// otherwise, it's BinaryData
+	if configMap.BinaryData == nil {
+		configMap.BinaryData = map[string][]byte{}
+	}
+	if _, entryExists := configMap.BinaryData[keyName]; entryExists {
+		return fmt.Errorf(keyExistsErrorMsg, keyName, configMap.BinaryData)
+	}
+	configMap.BinaryData[keyName] = []byte(data)
 	return nil
 }
 

k8sdeps/configmapandsecret/configmapfactory_test.go

@@ -20,12 +20,11 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/loader"
-	"github.com/kubernetes-sigs/kustomize/pkg/types"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/loader"
+	"sigs.k8s.io/kustomize/pkg/types"
 )
 
 func makeEnvConfigMap(name string) *corev1.ConfigMap {
@@ -44,23 +43,6 @@ func makeEnvConfigMap(name string) *corev1.ConfigMap {
 	}
 }
 
-func makeUnstructuredEnvConfigMap(name string) *unstructured.Unstructured {
-	return &unstructured.Unstructured{
-		Object: map[string]interface{}{
-			"apiVersion": "v1",
-			"kind":       "ConfigMap",
-			"metadata": map[string]interface{}{
-				"name":              name,
-				"creationTimestamp": nil,
-			},
-			"data": map[string]interface{}{
-				"DB_USERNAME": "admin",
-				"DB_PASSWORD": "somepw",
-			},
-		},
-	}
-}
-
 func makeFileConfigMap(name string) *corev1.ConfigMap {
 	return &corev1.ConfigMap{
 		TypeMeta: metav1.TypeMeta{
@@ -75,11 +57,14 @@ func makeFileConfigMap(name string) *corev1.ConfigMap {
 BAR=baz
 `,
 		},
+		BinaryData: map[string][]byte{
+			"app.bin": {0xff, 0xfd},
+		},
 	}
 }
 
 func makeLiteralConfigMap(name string) *corev1.ConfigMap {
-	return &corev1.ConfigMap{
+	cm := &corev1.ConfigMap{
 		TypeMeta: metav1.TypeMeta{
 			APIVersion: "v1",
 			Kind:       "ConfigMap",
@@ -94,12 +79,15 @@ func makeLiteralConfigMap(name string) *corev1.ConfigMap {
 			"d": "true",
 		},
 	}
+	cm.SetLabels(map[string]string{"foo": "bar"})
+	return cm
 }
 
 func TestConstructConfigMap(t *testing.T) {
 	type testCase struct {
 		description string
 		input       types.ConfigMapArgs
+		options     *types.GeneratorOptions
 		expected    *corev1.ConfigMap
 	}
 
@@ -107,40 +95,55 @@ func TestConstructConfigMap(t *testing.T) {
 		{
 			description: "construct config map from env",
 			input: types.ConfigMapArgs{
-				Name: "envConfigMap",
-				DataSources: types.DataSources{
-					EnvSource: "../examplelayout/simple/instances/exampleinstance/configmap/app.env",
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "envConfigMap",
+					DataSources: types.DataSources{
+						EnvSource: "configmap/app.env",
+					},
 				},
 			},
+			options:  nil,
 			expected: makeEnvConfigMap("envConfigMap"),
 		},
 		{
 			description: "construct config map from file",
 			input: types.ConfigMapArgs{
-				Name: "fileConfigMap",
-				DataSources: types.DataSources{
-					FileSources: []string{"../examplelayout/simple/instances/exampleinstance/configmap/app-init.ini"},
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "fileConfigMap",
+					DataSources: types.DataSources{
+						FileSources: []string{"configmap/app-init.ini", "configmap/app.bin"},
+					},
 				},
 			},
+			options:  nil,
 			expected: makeFileConfigMap("fileConfigMap"),
 		},
 		{
 			description: "construct config map from literal",
 			input: types.ConfigMapArgs{
-				Name: "literalConfigMap",
-				DataSources: types.DataSources{
-					LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "literalConfigMap",
+					DataSources: types.DataSources{
+						LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
+					},
+				},
+			},
+			options: &types.GeneratorOptions{
+				Labels: map[string]string{
+					"foo": "bar",
 				},
 			},
 			expected: makeLiteralConfigMap("literalConfigMap"),
 		},
 	}
 
-	// TODO: all tests should use a FakeFs
-	fSys := fs.MakeRealFS()
-	f := NewConfigMapFactory(fSys, loader.NewFileLoader(fSys))
+	fSys := fs.MakeFakeFS()
+	fSys.WriteFile("/configmap/app.env", []byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
+	fSys.WriteFile("/configmap/app-init.ini", []byte("FOO=bar\nBAR=baz\n"))
+	fSys.WriteFile("/configmap/app.bin", []byte{0xff, 0xfd})
+	f := NewConfigMapFactory(loader.NewFileLoaderAtRoot(fSys))
 	for _, tc := range testCases {
-		cm, err := f.MakeConfigMap(&tc.input)
+		cm, err := f.MakeConfigMap(&tc.input, tc.options)
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)
 		}
@@ -149,33 +152,3 @@ func TestConstructConfigMap(t *testing.T) {
 		}
 	}
 }
-
-func TestObjectConvertToUnstructured(t *testing.T) {
-	type testCase struct {
-		description string
-		input       *corev1.ConfigMap
-		expected    *unstructured.Unstructured
-	}
-
-	testCases := []testCase{
-		{
-			description: "convert config map",
-			input:       makeEnvConfigMap("envConfigMap"),
-			expected:    makeUnstructuredEnvConfigMap("envConfigMap"),
-		},
-		{
-			description: "convert secret",
-			input:       makeEnvConfigMap("envSecret"),
-			expected:    makeUnstructuredEnvConfigMap("envSecret"),
-		},
-	}
-	for _, tc := range testCases {
-		actual, err := objectToUnstructured(tc.input)
-		if err != nil {
-			t.Fatalf("%s: unexpected error: %v", tc.description, err)
-		}
-		if !reflect.DeepEqual(actual, tc.expected) {
-			t.Fatalf("%s: %#v\ndoesn't match expected\n%#v\n", tc.description, actual, tc.expected)
-		}
-	}
-}

k8sdeps/configmapandsecret/kv_test.go

@@ -13,6 +13,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
+
 package configmapandsecret
 
 import (

k8sdeps/configmapandsecret/secretfactory.go

@@ -17,33 +17,24 @@ limitations under the License.
 package configmapandsecret
 
 import (
-	"context"
 	"fmt"
-	"os/exec"
-	"path/filepath"
 	"strings"
-	"time"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/types"
 	"github.com/pkg/errors"
 	corev1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/util/validation"
-)
-
-const (
-	defaultCommandTimeout = 5 * time.Second
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/types"
 )
 
 // SecretFactory makes Secrets.
 type SecretFactory struct {
-	fSys fs.FileSystem
-	wd   string
+	ldr ifc.Loader
 }
 
 // NewSecretFactory returns a new SecretFactory.
-func NewSecretFactory(fSys fs.FileSystem, wd string) *SecretFactory {
-	return &SecretFactory{fSys: fSys, wd: wd}
+func NewSecretFactory(ldr ifc.Loader) *SecretFactory {
+	return &SecretFactory{ldr: ldr}
 }
 
 func (f *SecretFactory) makeFreshSecret(args *types.SecretArgs) *corev1.Secret {
@@ -51,6 +42,7 @@ func (f *SecretFactory) makeFreshSecret(args *types.SecretArgs) *corev1.Secret {
 	s.APIVersion = "v1"
 	s.Kind = "Secret"
 	s.Name = args.Name
+	s.Namespace = args.Namespace
 	s.Type = corev1.SecretType(args.Type)
 	if s.Type == "" {
 		s.Type = corev1.SecretTypeOpaque
@@ -60,28 +52,30 @@ func (f *SecretFactory) makeFreshSecret(args *types.SecretArgs) *corev1.Secret {
 }
 
 // MakeSecret returns a new secret.
-func (f *SecretFactory) MakeSecret(args *types.SecretArgs) (*corev1.Secret, error) {
+func (f *SecretFactory) MakeSecret(args *types.SecretArgs, options *types.GeneratorOptions) (*corev1.Secret, error) {
 	var all []kvPair
 	var err error
 	s := f.makeFreshSecret(args)
 
-	timeout := defaultCommandTimeout
-	if args.TimeoutSeconds != nil {
-		timeout = time.Duration(*args.TimeoutSeconds) * time.Second
-	}
-
-	pairs, err := f.keyValuesFromEnvFileCommand(args.EnvCommand, timeout)
+	pairs, err := keyValuesFromEnvFile(f.ldr, args.EnvSource)
 	if err != nil {
 		return nil, errors.Wrap(err, fmt.Sprintf(
 			"env source file: %s",
-			args.EnvCommand))
+			args.EnvSource))
 	}
 	all = append(all, pairs...)
 
-	pairs, err = f.keyValuesFromCommands(args.Commands, timeout)
+	pairs, err = keyValuesFromLiteralSources(args.LiteralSources)
 	if err != nil {
 		return nil, errors.Wrap(err, fmt.Sprintf(
-			"commands %v", args.Commands))
+			"literal sources %v", args.LiteralSources))
+	}
+	all = append(all, pairs...)
+
+	pairs, err = keyValuesFromFileSources(f.ldr, args.FileSources)
+	if err != nil {
+		return nil, errors.Wrap(err, fmt.Sprintf(
+			"file sources: %v", args.FileSources))
 	}
 	all = append(all, pairs...)
 
@@ -91,7 +85,10 @@ func (f *SecretFactory) MakeSecret(args *types.SecretArgs) (*corev1.Secret, erro
 			return nil, err
 		}
 	}
-
+	if options != nil {
+		s.SetLabels(options.Labels)
+		s.SetAnnotations(options.Annotations)
+	}
 	return s, nil
 }
 
@@ -106,38 +103,3 @@ func addKvToSecret(secret *corev1.Secret, keyName, data string) error {
 	secret.Data[keyName] = []byte(data)
 	return nil
 }
-
-func (f *SecretFactory) keyValuesFromEnvFileCommand(cmd string, timeout time.Duration) ([]kvPair, error) {
-	content, err := f.createSecretKey(cmd, timeout)
-	if err != nil {
-		return nil, err
-	}
-	return keyValuesFromLines(content)
-}
-
-func (f *SecretFactory) keyValuesFromCommands(sources map[string]string, timeout time.Duration) ([]kvPair, error) {
-	var kvs []kvPair
-	for k, cmd := range sources {
-		content, err := f.createSecretKey(cmd, timeout)
-		if err != nil {
-			return nil, err
-		}
-		kvs = append(kvs, kvPair{key: k, value: string(content)})
-	}
-	return kvs, nil
-}
-
-// Run a command, return its output as the secret.
-func (f *SecretFactory) createSecretKey(command string, timeout time.Duration) ([]byte, error) {
-	if !f.fSys.IsDir(f.wd) {
-		f.wd = filepath.Dir(f.wd)
-		if !f.fSys.IsDir(f.wd) {
-			return nil, errors.New("not a directory: " + f.wd)
-		}
-	}
-	ctx, cancel := context.WithTimeout(context.Background(), timeout)
-	defer cancel()
-	cmd := exec.CommandContext(ctx, "sh", "-c", command)
-	cmd.Dir = f.wd
-	return cmd.Output()
-}

k8sdeps/configmapandsecret/secretfactory_test.go

@@ -0,0 +1,151 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package configmapandsecret
+
+import (
+	"reflect"
+	"testing"
+
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/loader"
+	"sigs.k8s.io/kustomize/pkg/types"
+)
+
+func makeEnvSecret(name string) *corev1.Secret {
+	return &corev1.Secret{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: "v1",
+			Kind:       "Secret",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: name,
+		},
+		Data: map[string][]byte{
+			"DB_PASSWORD": []byte("somepw"),
+			"DB_USERNAME": []byte("admin"),
+		},
+		Type: "Opaque",
+	}
+}
+
+func makeFileSecret(name string) *corev1.Secret {
+	return &corev1.Secret{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: "v1",
+			Kind:       "Secret",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: name,
+		},
+		Data: map[string][]byte{
+			"app-init.ini": []byte(`FOO=bar
+BAR=baz
+`),
+		},
+		Type: "Opaque",
+	}
+}
+
+func makeLiteralSecret(name string) *corev1.Secret {
+	s := &corev1.Secret{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: "v1",
+			Kind:       "Secret",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: name,
+		},
+		Data: map[string][]byte{
+			"a": []byte("x"),
+			"b": []byte("y"),
+		},
+		Type: "Opaque",
+	}
+	s.SetLabels(map[string]string{"foo": "bar"})
+	return s
+}
+
+func TestConstructSecret(t *testing.T) {
+	type testCase struct {
+		description string
+		input       types.SecretArgs
+		options     *types.GeneratorOptions
+		expected    *corev1.Secret
+	}
+
+	testCases := []testCase{
+		{
+			description: "construct secret from env",
+			input: types.SecretArgs{
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "envSecret",
+					DataSources: types.DataSources{
+						EnvSource: "secret/app.env",
+					},
+				},
+			},
+			options:  nil,
+			expected: makeEnvSecret("envSecret"),
+		},
+		{
+			description: "construct secret from file",
+			input: types.SecretArgs{
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "fileSecret",
+					DataSources: types.DataSources{
+						FileSources: []string{"secret/app-init.ini"},
+					},
+				},
+			},
+			options:  nil,
+			expected: makeFileSecret("fileSecret"),
+		},
+		{
+			description: "construct secret from literal",
+			input: types.SecretArgs{
+				GeneratorArgs: types.GeneratorArgs{
+					Name: "literalSecret",
+					DataSources: types.DataSources{
+						LiteralSources: []string{"a=x", "b=y"},
+					},
+				},
+			},
+			options: &types.GeneratorOptions{
+				Labels: map[string]string{
+					"foo": "bar",
+				},
+			},
+			expected: makeLiteralSecret("literalSecret"),
+		},
+	}
+
+	fSys := fs.MakeFakeFS()
+	fSys.WriteFile("/secret/app.env", []byte("DB_USERNAME=admin\nDB_PASSWORD=somepw\n"))
+	fSys.WriteFile("/secret/app-init.ini", []byte("FOO=bar\nBAR=baz\n"))
+	f := NewSecretFactory(loader.NewFileLoaderAtRoot(fSys))
+	for _, tc := range testCases {
+		cm, err := f.MakeSecret(&tc.input, tc.options)
+		if err != nil {
+			t.Fatalf("unexpected error: %v", err)
+		}
+		if !reflect.DeepEqual(*cm, *tc.expected) {
+			t.Fatalf("in testcase: %q updated:\n%#v\ndoesn't match expected:\n%#v\n", tc.description, *cm, tc.expected)
+		}
+	}
+}

k8sdeps/doc.go

@@ -0,0 +1,76 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// It's possible that kustomize's features will be vendored into
+// the kubernetes/kubernetes repo and made available to kubectl
+// commands, while at the same time the kustomize program will
+// continue to exist as an independent CLI.  Vendoring snapshots
+// would be taken just before a kubectl release.
+//
+// This creates a problem in that freestanding-kustomize depends on
+// (for example):
+//
+//   https://github.com/kubernetes/apimachinery/
+//       tree/master/pkg/util/yaml
+//
+// It vendors that package into
+//   sigs.k8s.io/kustomize/vendor/k8s.io/apimachinery/
+//
+// Whereas kubectl-kustomize would have to depend on the "staging"
+// version of this code, located at
+//
+//   https://github.com/kubernetes/kubernetes/
+//       blob/master/staging/src/k8s.io/apimachinery/pkg/util/yaml
+//
+// which is "vendored" via symlinks:
+//   k8s.io/kubernetes/vendor/k8s.io/apimachinery
+// is a symlink to
+//   ../../staging/src/k8s.io/apimachinery
+//
+// The staging version is the canonical, under-development
+// version of the code that kubectl depends on, whereas the packages
+// at kubernetes/apimachinery are periodic snapshots of staging made
+// for outside tools to depend on.
+//
+// apimachinery isn't the only package that poses this problem, just
+// using it as a specific example.
+//
+// The kubectl binary cannot vendor in kustomize code that in
+// turn vendors in the non-staging packages.
+//
+// One way to fix some of this would be to copy code - a hard fork.
+// This has all the problems associated with a hard forking.
+//
+// Another way would be to break the kustomize repo into three:
+//
+// (1) kustomize - repo with the main() function,
+//     vendoring (2) and (3).
+//
+// (2) kustomize-libs - packages used by (1) with no
+//     apimachinery dependence.
+//
+// (3) kustomize-k8sdeps - A thin code layer that depends
+//     on (vendors) apimachinery to provide thin implementations
+//     to interfaces used in (2).
+//
+// The kubectl repo would then vendor from (2) only, and have
+// a local implementation of (3).  With that in mind, it's clear
+// that (3) doesn't have to be a repo; the kustomize version of
+// the thin layer can live directly in (1).
+//
+// This package is the code in (3), meant for kustomize.
+
+package k8sdeps

k8sdeps/factory.go

@@ -1,5 +1,3 @@
-// +build !ignore_autogenerated
-
 /*
 Copyright 2018 The Kubernetes Authors.
 
@@ -16,17 +14,21 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Code generated by defaulter-gen. DO NOT EDIT.
-
-package v1alpha1
+// Package k8sdeps provides kustomize factory with k8s dependencies
+package k8sdeps
 
 import (
-	runtime "k8s.io/apimachinery/pkg/runtime"
+	"sigs.k8s.io/kustomize/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/k8sdeps/transformer"
+	"sigs.k8s.io/kustomize/k8sdeps/validator"
+	"sigs.k8s.io/kustomize/pkg/factory"
 )
 
-// RegisterDefaults adds defaulters functions to the given scheme.
-// Public to allow building arbitrary schemes.
-// All generated defaulters are covering - they call all nested defaulters.
-func RegisterDefaults(scheme *runtime.Scheme) error {
-	return nil
+// NewFactory creates an instance of KustFactory using k8sdeps factories
+func NewFactory() *factory.KustFactory {
+	return factory.NewKustFactory(
+		kunstruct.NewKunstructuredFactoryImpl(),
+		validator.NewKustValidator(),
+		transformer.NewFactoryImpl(),
+	)
 }

k8sdeps/kunstruct/factory.go

@@ -0,0 +1,118 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package kunstruct
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"strings"
+
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/util/yaml"
+	"sigs.k8s.io/kustomize/k8sdeps/configmapandsecret"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/types"
+)
+
+// KunstructuredFactoryImpl hides construction using apimachinery types.
+type KunstructuredFactoryImpl struct {
+	cmFactory     *configmapandsecret.ConfigMapFactory
+	secretFactory *configmapandsecret.SecretFactory
+}
+
+var _ ifc.KunstructuredFactory = &KunstructuredFactoryImpl{}
+
+// NewKunstructuredFactoryImpl returns a factory.
+func NewKunstructuredFactoryImpl() ifc.KunstructuredFactory {
+	return &KunstructuredFactoryImpl{}
+}
+
+// SliceFromBytes returns a slice of Kunstructured.
+func (kf *KunstructuredFactoryImpl) SliceFromBytes(
+	in []byte) ([]ifc.Kunstructured, error) {
+	decoder := yaml.NewYAMLOrJSONDecoder(bytes.NewReader(in), 1024)
+	var result []ifc.Kunstructured
+	var err error
+	for err == nil || isEmptyYamlError(err) {
+		var out unstructured.Unstructured
+		err = decoder.Decode(&out)
+		if err == nil {
+			if len(out.Object) == 0 {
+				continue
+			}
+			err = kf.validate(out)
+			if err != nil {
+				return nil, err
+			}
+			result = append(result, &UnstructAdapter{Unstructured: out})
+		}
+	}
+	if err != io.EOF {
+		return nil, err
+	}
+	return result, nil
+}
+
+func isEmptyYamlError(err error) bool {
+	return strings.Contains(err.Error(), "is missing in 'null'")
+}
+
+// FromMap returns an instance of Kunstructured.
+func (kf *KunstructuredFactoryImpl) FromMap(
+	m map[string]interface{}) ifc.Kunstructured {
+	return &UnstructAdapter{Unstructured: unstructured.Unstructured{Object: m}}
+}
+
+// MakeConfigMap returns an instance of Kunstructured for ConfigMap
+func (kf *KunstructuredFactoryImpl) MakeConfigMap(args *types.ConfigMapArgs, options *types.GeneratorOptions) (ifc.Kunstructured, error) {
+	cm, err := kf.cmFactory.MakeConfigMap(args, options)
+	if err != nil {
+		return nil, err
+	}
+	return NewKunstructuredFromObject(cm)
+}
+
+// MakeSecret returns an instance of Kunstructured for Secret
+func (kf *KunstructuredFactoryImpl) MakeSecret(args *types.SecretArgs, options *types.GeneratorOptions) (ifc.Kunstructured, error) {
+	sec, err := kf.secretFactory.MakeSecret(args, options)
+	if err != nil {
+		return nil, err
+	}
+	return NewKunstructuredFromObject(sec)
+}
+
+// Set sets loader
+func (kf *KunstructuredFactoryImpl) Set(ldr ifc.Loader) {
+	kf.cmFactory = configmapandsecret.NewConfigMapFactory(ldr)
+	kf.secretFactory = configmapandsecret.NewSecretFactory(ldr)
+}
+
+// validate validates that u has kind and name
+// except for kind `List`, which doesn't require a name
+func (kf *KunstructuredFactoryImpl) validate(u unstructured.Unstructured) error {
+	kind := u.GetKind()
+	if kind == "" {
+		return fmt.Errorf("missing kind in object %v", u)
+	} else if kind == "List" {
+		return nil
+	}
+	if u.GetName() == "" {
+		return fmt.Errorf("missing metadata.name in object %v", u)
+	}
+	return nil
+}

k8sdeps/kunstruct/factory_test.go

@@ -0,0 +1,175 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package kunstruct
+
+import (
+	"reflect"
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/ifc"
+)
+
+func TestSliceFromBytes(t *testing.T) {
+	factory := NewKunstructuredFactoryImpl()
+	testConfigMap := factory.FromMap(
+		map[string]interface{}{
+			"apiVersion": "v1",
+			"kind":       "ConfigMap",
+			"metadata": map[string]interface{}{
+				"name": "winnie",
+			},
+		})
+	testList := factory.FromMap(
+		map[string]interface{}{
+			"apiVersion": "v1",
+			"kind":       "List",
+			"items": []interface{}{
+				testConfigMap.Map(),
+				testConfigMap.Map(),
+			},
+		})
+
+	tests := []struct {
+		name        string
+		input       []byte
+		expectedOut []ifc.Kunstructured
+		expectedErr bool
+	}{
+		{
+			name:        "garbage",
+			input:       []byte("garbageIn: garbageOut"),
+			expectedOut: []ifc.Kunstructured{},
+			expectedErr: true,
+		},
+		{
+			name:        "noBytes",
+			input:       []byte{},
+			expectedOut: []ifc.Kunstructured{},
+			expectedErr: false,
+		},
+		{
+			name: "goodJson",
+			input: []byte(`
+{"apiVersion":"v1","kind":"ConfigMap","metadata":{"name":"winnie"}}
+`),
+			expectedOut: []ifc.Kunstructured{testConfigMap},
+			expectedErr: false,
+		},
+		{
+			name: "goodYaml1",
+			input: []byte(`
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: winnie
+`),
+			expectedOut: []ifc.Kunstructured{testConfigMap},
+			expectedErr: false,
+		},
+		{
+			name: "goodYaml2",
+			input: []byte(`
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: winnie
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: winnie
+`),
+			expectedOut: []ifc.Kunstructured{testConfigMap, testConfigMap},
+			expectedErr: false,
+		},
+		{
+			name: "garbageInOneOfTwoObjects",
+			input: []byte(`
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: winnie
+---
+WOOOOOOOOOOOOOOOOOOOOOOOOT:  woot
+`),
+			expectedOut: []ifc.Kunstructured{},
+			expectedErr: true,
+		},
+		{
+			name: "emptyObjects",
+			input: []byte(`
+---
+#a comment
+
+---
+
+`),
+			expectedOut: []ifc.Kunstructured{},
+			expectedErr: false,
+		},
+		{
+			name: "Missing .metadata.name in object",
+			input: []byte(`
+apiVersion: v1
+kind: Namespace
+metadata:
+  annotations:
+    foo: bar
+`),
+			expectedOut: nil,
+			expectedErr: true,
+		},
+		{
+			name: "List",
+			input: []byte(`
+apiVersion: v1
+kind: List
+items:
+- apiVersion: v1
+  kind: ConfigMap
+  metadata:
+    name: winnie
+- apiVersion: v1
+  kind: ConfigMap
+  metadata:
+    name: winnie
+`),
+			expectedOut: []ifc.Kunstructured{testList},
+			expectedErr: false,
+		},
+	}
+
+	for _, test := range tests {
+		rs, err := factory.SliceFromBytes(test.input)
+		if test.expectedErr && err == nil {
+			t.Fatalf("%v: should return error", test.name)
+		}
+		if !test.expectedErr && err != nil {
+			t.Fatalf("%v: unexpected error: %s", test.name, err)
+		}
+		if len(rs) != len(test.expectedOut) {
+			t.Fatalf("%s: length mismatch %d != %d",
+				test.name, len(rs), len(test.expectedOut))
+		}
+		for i := range rs {
+			if !reflect.DeepEqual(test.expectedOut[i], rs[i]) {
+				t.Fatalf("%s: Got: %v\nexpected:%v",
+					test.name, test.expectedOut[i], rs[i])
+			}
+		}
+	}
+}

k8sdeps/kunstruct/helper.go

@@ -0,0 +1,71 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package kunstruct provides unstructured from api machinery and factory for creating unstructured
+package kunstruct
+
+import (
+	"fmt"
+	"strings"
+)
+
+func parseFields(path string) ([]string, error) {
+	if !strings.Contains(path, "[") {
+		return strings.Split(path, "."), nil
+	}
+
+	var fields []string
+	start := 0
+	insideParentheses := false
+	for i := range path {
+		switch path[i] {
+		case '.':
+			if !insideParentheses {
+				fields = append(fields, path[start:i])
+				start = i + 1
+			}
+		case '[':
+			if !insideParentheses {
+				if i == start {
+					start = i + 1
+				} else {
+					fields = append(fields, path[start:i])
+					start = i + 1
+				}
+				insideParentheses = true
+			} else {
+				return nil, fmt.Errorf("nested parentheses are not allowed: %s", path)
+			}
+		case ']':
+			if insideParentheses {
+				fields = append(fields, path[start:i])
+				start = i + 1
+				insideParentheses = false
+			} else {
+				return nil, fmt.Errorf("invalid field path %s", path)
+			}
+		}
+	}
+	if start < len(path)-1 {
+		fields = append(fields, path[start:])
+	}
+	for i, f := range fields {
+		if strings.HasPrefix(f, "\"") || strings.HasPrefix(f, "'") {
+			fields[i] = strings.Trim(f, "\"'")
+		}
+	}
+	return fields, nil
+}

k8sdeps/kunstruct/kunstruct.go

@@ -0,0 +1,92 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package kunstruct provides unstructured from api machinery and factory for creating unstructured
+package kunstruct
+
+import (
+	"encoding/json"
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"sigs.k8s.io/kustomize/pkg/gvk"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+)
+
+var _ ifc.Kunstructured = &UnstructAdapter{}
+
+// UnstructAdapter wraps unstructured.Unstructured from
+// https://github.com/kubernetes/apimachinery/blob/master/
+//     pkg/apis/meta/v1/unstructured/unstructured.go
+// to isolate dependence on apimachinery.
+type UnstructAdapter struct {
+	unstructured.Unstructured
+}
+
+// NewKunstructuredFromObject returns a new instance of Kunstructured.
+func NewKunstructuredFromObject(obj runtime.Object) (ifc.Kunstructured, error) {
+	// Convert obj to a byte stream, then convert that to JSON (Unstructured).
+	marshaled, err := json.Marshal(obj)
+	if err != nil {
+		return &UnstructAdapter{}, err
+	}
+	var u unstructured.Unstructured
+	err = u.UnmarshalJSON(marshaled)
+	// creationTimestamp always 'null', remove it
+	u.SetCreationTimestamp(metav1.Time{})
+	return &UnstructAdapter{Unstructured: u}, err
+}
+
+// GetGvk returns the Gvk name of the object.
+func (fs *UnstructAdapter) GetGvk() gvk.Gvk {
+	x := fs.GroupVersionKind()
+	return gvk.Gvk{
+		Group:   x.Group,
+		Version: x.Version,
+		Kind:    x.Kind,
+	}
+}
+
+// Copy provides a copy behind an interface.
+func (fs *UnstructAdapter) Copy() ifc.Kunstructured {
+	return &UnstructAdapter{*fs.DeepCopy()}
+}
+
+// Map returns the unstructured content map.
+func (fs *UnstructAdapter) Map() map[string]interface{} {
+	return fs.Object
+}
+
+// SetMap overrides the unstructured content map.
+func (fs *UnstructAdapter) SetMap(m map[string]interface{}) {
+	fs.Object = m
+}
+
+// GetFieldValue returns value at the given fieldpath.
+func (fs *UnstructAdapter) GetFieldValue(path string) (string, error) {
+	fields, err := parseFields(path)
+	if err != nil {
+		return "", err
+	}
+	s, found, err := unstructured.NestedString(
+		fs.UnstructuredContent(), fields...)
+	if found || err != nil {
+		return s, err
+	}
+	return "", fmt.Errorf("no field named '%s'", path)
+}

k8sdeps/kunstruct/kunstruct_test.go

@@ -0,0 +1,148 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package kunstruct
+
+import (
+	"testing"
+)
+
+func TestGetFieldValue(t *testing.T) {
+	factory := NewKunstructuredFactoryImpl()
+	kunstructured := factory.FromMap(map[string]interface{}{
+		"Kind": "Service",
+		"metadata": map[string]interface{}{
+			"labels": map[string]string{
+				"app": "application-name",
+			},
+			"name": "service-name",
+		},
+		"spec": map[string]interface{}{
+			"ports": map[string]interface{}{
+				"port": "80",
+			},
+		},
+		"this": map[string]interface{}{
+			"is": map[string]interface{}{
+				"aNumber":    1000,
+				"aNilValue":  nil,
+				"anEmptyMap": map[string]interface{}{},
+				"unrecognizable": testing.InternalExample{
+					Name: "fooBar",
+				},
+			},
+		},
+	})
+
+	tests := []struct {
+		name          string
+		pathToField   string
+		expectedValue string
+		errorExpected bool
+		errorMsg      string
+	}{
+		{
+			name:          "oneField",
+			pathToField:   "Kind",
+			expectedValue: "Service",
+			errorExpected: false,
+		},
+		{
+			name:          "twoFields",
+			pathToField:   "metadata.name",
+			expectedValue: "service-name",
+			errorExpected: false,
+		},
+		{
+			name:          "threeFields",
+			pathToField:   "spec.ports.port",
+			expectedValue: "80",
+			errorExpected: false,
+		},
+		{
+			name:          "empty",
+			pathToField:   "",
+			errorExpected: true,
+			errorMsg:      "no field named ''",
+		},
+		{
+			name:          "emptyDotEmpty",
+			pathToField:   ".",
+			errorExpected: true,
+			errorMsg:      "no field named '.'",
+		},
+		{
+			name:          "twoFieldsOneMissing",
+			pathToField:   "metadata.banana",
+			errorExpected: true,
+			errorMsg:      "no field named 'metadata.banana'",
+		},
+		{
+			name:          "deeperMissingField",
+			pathToField:   "this.is.aDeep.field.that.does.not.exist",
+			errorExpected: true,
+			errorMsg:      "no field named 'this.is.aDeep.field.that.does.not.exist'",
+		},
+		{
+			name:          "emptyMap",
+			pathToField:   "this.is.anEmptyMap",
+			errorExpected: true,
+			errorMsg:      ".this.is.anEmptyMap accessor error: map[] is of the type map[string]interface {}, expected string",
+		},
+		{
+			name:          "numberAsValue",
+			pathToField:   "this.is.aNumber",
+			errorExpected: true,
+			errorMsg:      ".this.is.aNumber accessor error: 1000 is of the type int, expected string",
+		},
+		{
+			name:          "nilAsValue",
+			pathToField:   "this.is.aNilValue",
+			errorExpected: true,
+			errorMsg:      ".this.is.aNilValue accessor error: <nil> is of the type <nil>, expected string",
+		},
+		{
+			name:          "unrecognizable",
+			pathToField:   "this.is.unrecognizable.Name",
+			errorExpected: true,
+			errorMsg:      ".this.is.unrecognizable.Name accessor error: {fooBar <nil>  false} is of the type testing.InternalExample, expected map[string]interface{}",
+		},
+	}
+
+	for _, test := range tests {
+		s, err := kunstructured.GetFieldValue(test.pathToField)
+		if test.errorExpected {
+			if err == nil {
+				t.Fatalf("%q; path %q - should return error, but no error returned",
+					test.name, test.pathToField)
+			}
+			if test.errorMsg != err.Error() {
+				t.Fatalf("%q; path %q - expected error: \"%s\", got error: \"%v\"",
+					test.name, test.pathToField, test.errorMsg, err.Error())
+			}
+			continue
+		}
+		if err != nil {
+			t.Fatalf("%q; path %q - unexpected error %v",
+				test.name, test.pathToField, err)
+		}
+		if test.expectedValue != s {
+			t.Fatalf("%q; Got: %s expected: %s",
+				test.name, s, test.expectedValue)
+		}
+
+	}
+}

k8sdeps/transformer/factory.go

@@ -0,0 +1,43 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package transformer provides transformer factory
+package transformer
+
+import (
+	"sigs.k8s.io/kustomize/k8sdeps/transformer/hash"
+	"sigs.k8s.io/kustomize/k8sdeps/transformer/patch"
+	"sigs.k8s.io/kustomize/pkg/resource"
+	"sigs.k8s.io/kustomize/pkg/transformers"
+)
+
+// FactoryImpl makes patch transformer and name hash transformer
+type FactoryImpl struct{}
+
+// NewFactoryImpl makes a new factoryImpl instance
+func NewFactoryImpl() *FactoryImpl {
+	return &FactoryImpl{}
+}
+
+// MakePatchTransformer makes a new patch transformer
+func (p *FactoryImpl) MakePatchTransformer(slice []*resource.Resource, rf *resource.Factory) (transformers.Transformer, error) {
+	return patch.NewPatchTransformer(slice, rf)
+}
+
+// MakeHashTransformer makes a new name hash transformer
+func (p *FactoryImpl) MakeHashTransformer() transformers.Transformer {
+	return hash.NewNameHashTransformer()
+}

k8sdeps/transformer/hash/hash.go

@@ -14,7 +14,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Package hash generates hash strings from configmaps and secrets.
 package hash
 
 import (
@@ -23,8 +22,42 @@ import (
 	"fmt"
 
 	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 )
 
+// KustHash compute hash for unstructured objects
+type KustHash struct{}
+
+// NewKustHash returns a KustHash object
+func NewKustHash() *KustHash {
+	return &KustHash{}
+}
+
+// Hash returns a hash of either a ConfigMap or a Secret
+func (h *KustHash) Hash(m map[string]interface{}) (string, error) {
+	u := unstructured.Unstructured{
+		Object: m,
+	}
+	kind := u.GetKind()
+	switch kind {
+	case "ConfigMap":
+		cm, err := unstructuredToConfigmap(u)
+		if err != nil {
+			return "", err
+		}
+		return ConfigMapHash(cm)
+	case "Secret":
+		sec, err := unstructuredToSecret(u)
+
+		if err != nil {
+			return "", err
+		}
+		return SecretHash(sec)
+	default:
+		return "", fmt.Errorf("type %s is supported for hashing in %v", kind, m)
+	}
+}
+
 // ConfigMapHash returns a hash of the ConfigMap.
 // The Data, Kind, and Name are taken into account.
 func ConfigMapHash(cm *v1.ConfigMap) (string, error) {
@@ -113,3 +146,23 @@ func encodeHash(hex string) (string, error) {
 func hash(data string) string {
 	return fmt.Sprintf("%x", sha256.Sum256([]byte(data)))
 }
+
+func unstructuredToConfigmap(u unstructured.Unstructured) (*v1.ConfigMap, error) {
+	marshaled, err := json.Marshal(u.Object)
+	if err != nil {
+		return nil, err
+	}
+	var out v1.ConfigMap
+	err = json.Unmarshal(marshaled, &out)
+	return &out, err
+}
+
+func unstructuredToSecret(u unstructured.Unstructured) (*v1.Secret, error) {
+	marshaled, err := json.Marshal(u.Object)
+	if err != nil {
+		return nil, err
+	}
+	var out v1.Secret
+	err = json.Unmarshal(marshaled, &out)
+	return &out, err
+}

k8sdeps/transformer/hash/hash_test.go

@@ -22,8 +22,14 @@ import (
 	"testing"
 
 	"k8s.io/api/core/v1"
+	"sigs.k8s.io/kustomize/pkg/gvk"
 )
 
+var service = gvk.Gvk{Version: "v1", Kind: "Service"}
+var secret = gvk.Gvk{Version: "v1", Kind: "Secret"}
+var cmap = gvk.Gvk{Version: "v1", Kind: "ConfigMap"}
+var deploy = gvk.Gvk{Group: "apps", Version: "v1", Kind: "Deployment"}
+
 func TestConfigMapHash(t *testing.T) {
 	cases := []struct {
 		desc string

k8sdeps/transformer/hash/namehash.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package hash
+
+import (
+	"fmt"
+
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/transformers"
+)
+
+type nameHashTransformer struct{}
+
+var _ transformers.Transformer = &nameHashTransformer{}
+
+// NewNameHashTransformer construct a nameHashTransformer.
+func NewNameHashTransformer() transformers.Transformer {
+	return &nameHashTransformer{}
+}
+
+// Transform appends hash to generated resources.
+func (o *nameHashTransformer) Transform(m resmap.ResMap) error {
+	for _, res := range m {
+		if res.NeedHashSuffix() {
+			h, err := NewKustHash().Hash(res.Map())
+			if err != nil {
+				return err
+			}
+			res.SetName(fmt.Sprintf("%s-%s", res.GetName(), h))
+		}
+	}
+	return nil
+}

k8sdeps/transformer/hash/namehash_test.go

@@ -14,19 +14,24 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package transformers
+package hash
 
 import (
 	"reflect"
 	"testing"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
-	"github.com/kubernetes-sigs/kustomize/pkg/resource"
+	"sigs.k8s.io/kustomize/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/pkg/resid"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/resource"
+	"sigs.k8s.io/kustomize/pkg/types"
 )
 
 func TestNameHashTransformer(t *testing.T) {
+	rf := resource.NewFactory(
+		kunstruct.NewKunstructuredFactoryImpl())
 	objs := resmap.ResMap{
-		resource.NewResId(cmap, "cm1"): resource.NewResourceFromMap(
+		resid.NewResId(cmap, "cm1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "v1",
 				"kind":       "ConfigMap",
@@ -34,7 +39,7 @@ func TestNameHashTransformer(t *testing.T) {
 					"name": "cm1",
 				},
 			}),
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"group":      "apps",
 				"apiVersion": "v1",
@@ -60,7 +65,7 @@ func TestNameHashTransformer(t *testing.T) {
 					},
 				},
 			}),
-		resource.NewResId(service, "svc1"): resource.NewResourceFromMap(
+		resid.NewResId(service, "svc1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "v1",
 				"kind":       "Service",
@@ -76,18 +81,18 @@ func TestNameHashTransformer(t *testing.T) {
 					},
 				},
 			}),
-		resource.NewResId(secret, "secret1"): resource.NewResourceFromMap(
+		resid.NewResId(secret, "secret1"): rf.FromMapAndOption(
 			map[string]interface{}{
 				"apiVersion": "v1",
 				"kind":       "Secret",
 				"metadata": map[string]interface{}{
 					"name": "secret1",
 				},
-			}).SetBehavior(resource.BehaviorCreate),
+			}, &types.GeneratorArgs{Behavior: "create"}, &types.GeneratorOptions{DisableNameSuffixHash: false}),
 	}
 
 	expected := resmap.ResMap{
-		resource.NewResId(cmap, "cm1"): resource.NewResourceFromMap(
+		resid.NewResId(cmap, "cm1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "v1",
 				"kind":       "ConfigMap",
@@ -95,7 +100,7 @@ func TestNameHashTransformer(t *testing.T) {
 					"name": "cm1",
 				},
 			}),
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"group":      "apps",
 				"apiVersion": "v1",
@@ -121,7 +126,7 @@ func TestNameHashTransformer(t *testing.T) {
 					},
 				},
 			}),
-		resource.NewResId(service, "svc1"): resource.NewResourceFromMap(
+		resid.NewResId(service, "svc1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "v1",
 				"kind":       "Service",
@@ -137,14 +142,14 @@ func TestNameHashTransformer(t *testing.T) {
 					},
 				},
 			}),
-		resource.NewResId(secret, "secret1"): resource.NewResourceFromMap(
+		resid.NewResId(secret, "secret1"): rf.FromMapAndOption(
 			map[string]interface{}{
 				"apiVersion": "v1",
 				"kind":       "Secret",
 				"metadata": map[string]interface{}{
 					"name": "secret1-7kc45hd5f7",
 				},
-			}).SetBehavior(resource.BehaviorCreate),
+			}, &types.GeneratorArgs{Behavior: "create"}, &types.GeneratorOptions{DisableNameSuffixHash: false}),
 	}
 
 	tran := NewNameHashTransformer()

k8sdeps/transformer/patch/patch.go

@@ -14,33 +14,38 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package transformers
+package patch
 
 import (
 	"encoding/json"
 	"fmt"
 
 	"github.com/evanphx/json-patch"
-	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
-	"github.com/kubernetes-sigs/kustomize/pkg/resource"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/strategicpatch"
 	"k8s.io/client-go/kubernetes/scheme"
+	"sigs.k8s.io/kustomize/pkg/gvk"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/resource"
+	"sigs.k8s.io/kustomize/pkg/transformers"
 )
 
 // patchTransformer applies patches.
 type patchTransformer struct {
 	patches []*resource.Resource
+	rf      *resource.Factory
 }
 
-var _ Transformer = &patchTransformer{}
+var _ transformers.Transformer = &patchTransformer{}
 
 // NewPatchTransformer constructs a patchTransformer.
-func NewPatchTransformer(slice []*resource.Resource) (Transformer, error) {
+func NewPatchTransformer(
+	slice []*resource.Resource, rf *resource.Factory) (transformers.Transformer, error) {
 	if len(slice) == 0 {
-		return NewNoOpTransformer(), nil
+		return transformers.NewNoOpTransformer(), nil
 	}
-	return &patchTransformer{slice}, nil
+	return &patchTransformer{patches: slice, rf: rf}, nil
 }
 
 // Transform apply the patches on top of the base resources.
@@ -57,7 +62,7 @@ func (pt *patchTransformer) Transform(baseResourceMap resmap.ResMap) error {
 		id := patch.Id()
 		matchedIds := baseResourceMap.FindByGVKN(id)
 		if len(matchedIds) == 0 {
-			return fmt.Errorf("failed to find an object with %#v to apply the patch", id.Gvk())
+			return fmt.Errorf("failed to find an object with %s to apply the patch", id.GvknString())
 		}
 		if len(matchedIds) > 1 {
 			return fmt.Errorf("found multiple objects %#v targeted by patch %#v (ambiguous)", matchedIds, id)
@@ -65,16 +70,16 @@ func (pt *patchTransformer) Transform(baseResourceMap resmap.ResMap) error {
 		id = matchedIds[0]
 		base := baseResourceMap[id]
 		merged := map[string]interface{}{}
-		versionedObj, err := scheme.Scheme.New(id.Gvk())
+		versionedObj, err := scheme.Scheme.New(toSchemaGvk(id.Gvk()))
 		baseName := base.GetName()
 		switch {
 		case runtime.IsNotRegisteredError(err):
 			// Use JSON merge patch to handle types w/o schema
-			baseBytes, err := json.Marshal(base)
+			baseBytes, err := json.Marshal(base.Map())
 			if err != nil {
 				return err
 			}
-			patchBytes, err := json.Marshal(patch)
+			patchBytes, err := json.Marshal(patch.Map())
 			if err != nil {
 				return err
 			}
@@ -92,21 +97,21 @@ func (pt *patchTransformer) Transform(baseResourceMap resmap.ResMap) error {
 			// Use Strategic-Merge-Patch to handle types w/ schema
 			// TODO: Change this to use the new Merge package.
 			// Store the name of the base object, because this name may have been munged.
-			// Apply this name to the StrategicMergePatched object.
+			// Apply this name to the patched object.
 			lookupPatchMeta, err := strategicpatch.NewPatchMetaFromStruct(versionedObj)
 			if err != nil {
 				return err
 			}
 			merged, err = strategicpatch.StrategicMergeMapPatchUsingLookupPatchMeta(
-				base.Object,
-				patch.Object,
+				base.Map(),
+				patch.Map(),
 				lookupPatchMeta)
 			if err != nil {
 				return err
 			}
 		}
 		base.SetName(baseName)
-		baseResourceMap[id].Object = merged
+		baseResourceMap[id].SetMap(merged)
 	}
 	return nil
 }
@@ -123,15 +128,15 @@ func (pt *patchTransformer) mergePatches() (resmap.ResMap, error) {
 			continue
 		}
 
-		versionedObj, err := scheme.Scheme.New(id.Gvk())
+		versionedObj, err := scheme.Scheme.New(toSchemaGvk(id.Gvk()))
 		if err != nil && !runtime.IsNotRegisteredError(err) {
 			return nil, err
 		}
 		var cd conflictDetector
 		if err != nil {
-			cd = newJMPConflictDetector()
+			cd = newJMPConflictDetector(pt.rf)
 		} else {
-			cd, err = newSMPConflictDetector(versionedObj)
+			cd, err = newSMPConflictDetector(versionedObj, pt.rf)
 			if err != nil {
 				return nil, err
 			}
@@ -146,7 +151,9 @@ func (pt *patchTransformer) mergePatches() (resmap.ResMap, error) {
 			if err != nil {
 				return nil, err
 			}
-			return nil, fmt.Errorf("there is conflict between %#v and %#v", conflictingPatch.Object, patch.Object)
+			return nil, fmt.Errorf(
+				"conflict between %#v and %#v",
+				conflictingPatch.Map(), patch.Map())
 		}
 		merged, err := cd.mergePatches(existing, patch)
 		if err != nil {
@@ -156,3 +163,12 @@ func (pt *patchTransformer) mergePatches() (resmap.ResMap, error) {
 	}
 	return rc, nil
 }
+
+// toSchemaGvk converts to a schema.GroupVersionKind.
+func toSchemaGvk(x gvk.Gvk) schema.GroupVersionKind {
+	return schema.GroupVersionKind{
+		Group:   x.Group,
+		Version: x.Version,
+		Kind:    x.Kind,
+	}
+}

k8sdeps/transformer/patch/patch_test.go

@@ -14,20 +14,28 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package transformers
+package patch
 
 import (
 	"reflect"
 	"strings"
 	"testing"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
-	"github.com/kubernetes-sigs/kustomize/pkg/resource"
+	"sigs.k8s.io/kustomize/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/pkg/gvk"
+	"sigs.k8s.io/kustomize/pkg/resid"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/resource"
 )
 
+var rf = resource.NewFactory(
+	kunstruct.NewKunstructuredFactoryImpl())
+var deploy = gvk.Gvk{Group: "apps", Version: "v1", Kind: "Deployment"}
+var foo = gvk.Gvk{Group: "example.com", Version: "v1", Kind: "Foo"}
+
 func TestOverlayRun(t *testing.T) {
 	base := resmap.ResMap{
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "apps/v1",
 				"kind":       "Deployment",
@@ -54,7 +62,7 @@ func TestOverlayRun(t *testing.T) {
 			}),
 	}
 	patch := []*resource.Resource{
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "apps/v1",
 			"kind":       "Deployment",
 			"metadata": map[string]interface{}{
@@ -87,7 +95,7 @@ func TestOverlayRun(t *testing.T) {
 		),
 	}
 	expected := resmap.ResMap{
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "apps/v1",
 				"kind":       "Deployment",
@@ -120,7 +128,7 @@ func TestOverlayRun(t *testing.T) {
 				},
 			}),
 	}
-	lt, err := NewPatchTransformer(patch)
+	lt, err := NewPatchTransformer(patch, rf)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -136,7 +144,7 @@ func TestOverlayRun(t *testing.T) {
 
 func TestMultiplePatches(t *testing.T) {
 	base := resmap.ResMap{
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "apps/v1",
 				"kind":       "Deployment",
@@ -158,7 +166,7 @@ func TestMultiplePatches(t *testing.T) {
 			}),
 	}
 	patch := []*resource.Resource{
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "apps/v1",
 			"kind":       "Deployment",
 			"metadata": map[string]interface{}{
@@ -184,7 +192,7 @@ func TestMultiplePatches(t *testing.T) {
 			},
 		},
 		),
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "apps/v1",
 			"kind":       "Deployment",
 			"metadata": map[string]interface{}{
@@ -215,7 +223,7 @@ func TestMultiplePatches(t *testing.T) {
 		),
 	}
 	expected := resmap.ResMap{
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "apps/v1",
 				"kind":       "Deployment",
@@ -250,7 +258,7 @@ func TestMultiplePatches(t *testing.T) {
 				},
 			}),
 	}
-	lt, err := NewPatchTransformer(patch)
+	lt, err := NewPatchTransformer(patch, rf)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -266,7 +274,7 @@ func TestMultiplePatches(t *testing.T) {
 
 func TestMultiplePatchesWithConflict(t *testing.T) {
 	base := resmap.ResMap{
-		resource.NewResId(deploy, "deploy1"): resource.NewResourceFromMap(
+		resid.NewResId(deploy, "deploy1"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "apps/v1",
 				"kind":       "Deployment",
@@ -288,7 +296,7 @@ func TestMultiplePatchesWithConflict(t *testing.T) {
 			}),
 	}
 	patch := []*resource.Resource{
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "apps/v1",
 			"kind":       "Deployment",
 			"metadata": map[string]interface{}{
@@ -314,7 +322,7 @@ func TestMultiplePatchesWithConflict(t *testing.T) {
 			},
 		},
 		),
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "apps/v1",
 			"kind":       "Deployment",
 			"metadata": map[string]interface{}{
@@ -336,7 +344,7 @@ func TestMultiplePatchesWithConflict(t *testing.T) {
 		),
 	}
 
-	lt, err := NewPatchTransformer(patch)
+	lt, err := NewPatchTransformer(patch, rf)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -351,7 +359,7 @@ func TestMultiplePatchesWithConflict(t *testing.T) {
 
 func TestNoSchemaOverlayRun(t *testing.T) {
 	base := resmap.ResMap{
-		resource.NewResId(foo, "my-foo"): resource.NewResourceFromMap(
+		resid.NewResId(foo, "my-foo"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "example.com/v1",
 				"kind":       "Foo",
@@ -367,7 +375,7 @@ func TestNoSchemaOverlayRun(t *testing.T) {
 			}),
 	}
 	patch := []*resource.Resource{
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "example.com/v1",
 			"kind":       "Foo",
 			"metadata": map[string]interface{}{
@@ -383,7 +391,7 @@ func TestNoSchemaOverlayRun(t *testing.T) {
 		),
 	}
 	expected := resmap.ResMap{
-		resource.NewResId(foo, "my-foo"): resource.NewResourceFromMap(
+		resid.NewResId(foo, "my-foo"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "example.com/v1",
 				"kind":       "Foo",
@@ -399,7 +407,7 @@ func TestNoSchemaOverlayRun(t *testing.T) {
 			}),
 	}
 
-	lt, err := NewPatchTransformer(patch)
+	lt, err := NewPatchTransformer(patch, rf)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -414,7 +422,7 @@ func TestNoSchemaOverlayRun(t *testing.T) {
 
 func TestNoSchemaMultiplePatches(t *testing.T) {
 	base := resmap.ResMap{
-		resource.NewResId(foo, "my-foo"): resource.NewResourceFromMap(
+		resid.NewResId(foo, "my-foo"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "example.com/v1",
 				"kind":       "Foo",
@@ -430,7 +438,7 @@ func TestNoSchemaMultiplePatches(t *testing.T) {
 			}),
 	}
 	patch := []*resource.Resource{
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "example.com/v1",
 			"kind":       "Foo",
 			"metadata": map[string]interface{}{
@@ -444,7 +452,7 @@ func TestNoSchemaMultiplePatches(t *testing.T) {
 			},
 		},
 		),
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "example.com/v1",
 			"kind":       "Foo",
 			"metadata": map[string]interface{}{
@@ -463,7 +471,7 @@ func TestNoSchemaMultiplePatches(t *testing.T) {
 		),
 	}
 	expected := resmap.ResMap{
-		resource.NewResId(foo, "my-foo"): resource.NewResourceFromMap(
+		resid.NewResId(foo, "my-foo"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "example.com/v1",
 				"kind":       "Foo",
@@ -483,7 +491,7 @@ func TestNoSchemaMultiplePatches(t *testing.T) {
 			}),
 	}
 
-	lt, err := NewPatchTransformer(patch)
+	lt, err := NewPatchTransformer(patch, rf)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -498,7 +506,7 @@ func TestNoSchemaMultiplePatches(t *testing.T) {
 
 func TestNoSchemaMultiplePatchesWithConflict(t *testing.T) {
 	base := resmap.ResMap{
-		resource.NewResId(foo, "my-foo"): resource.NewResourceFromMap(
+		resid.NewResId(foo, "my-foo"): rf.FromMap(
 			map[string]interface{}{
 				"apiVersion": "example.com/v1",
 				"kind":       "Foo",
@@ -514,7 +522,7 @@ func TestNoSchemaMultiplePatchesWithConflict(t *testing.T) {
 			}),
 	}
 	patch := []*resource.Resource{
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "example.com/v1",
 			"kind":       "Foo",
 			"metadata": map[string]interface{}{
@@ -527,7 +535,7 @@ func TestNoSchemaMultiplePatchesWithConflict(t *testing.T) {
 				},
 			},
 		}),
-		resource.NewResourceFromMap(map[string]interface{}{
+		rf.FromMap(map[string]interface{}{
 			"apiVersion": "example.com/v1",
 			"kind":       "Foo",
 			"metadata": map[string]interface{}{
@@ -541,7 +549,7 @@ func TestNoSchemaMultiplePatchesWithConflict(t *testing.T) {
 		}),
 	}
 
-	lt, err := NewPatchTransformer(patch)
+	lt, err := NewPatchTransformer(patch, rf)
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}

k8sdeps/transformer/patch/patchconflictdetector.go

@@ -14,16 +14,16 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package transformers
+package patch
 
 import (
 	"encoding/json"
 
 	"github.com/evanphx/json-patch"
-	"github.com/kubernetes-sigs/kustomize/pkg/resource"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/mergepatch"
 	"k8s.io/apimachinery/pkg/util/strategicpatch"
+	"sigs.k8s.io/kustomize/pkg/resource"
 )
 
 type conflictDetector interface {
@@ -32,28 +32,33 @@ type conflictDetector interface {
 	mergePatches(patch1, patch2 *resource.Resource) (*resource.Resource, error)
 }
 
-type jsonMergePatch struct{}
+type jsonMergePatch struct {
+	rf *resource.Factory
+}
 
 var _ conflictDetector = &jsonMergePatch{}
 
-func newJMPConflictDetector() conflictDetector {
-	return &jsonMergePatch{}
+func newJMPConflictDetector(rf *resource.Factory) conflictDetector {
+	return &jsonMergePatch{rf: rf}
 }
 
-func (jmp *jsonMergePatch) hasConflict(patch1, patch2 *resource.Resource) (bool, error) {
-	return mergepatch.HasConflicts(patch1.Object, patch2.Object)
+func (jmp *jsonMergePatch) hasConflict(
+	patch1, patch2 *resource.Resource) (bool, error) {
+	return mergepatch.HasConflicts(patch1.Map(), patch2.Map())
 }
 
-func (jmp *jsonMergePatch) findConflict(conflictingPatchIdx int, patches []*resource.Resource) (*resource.Resource, error) {
+func (jmp *jsonMergePatch) findConflict(
+	conflictingPatchIdx int, patches []*resource.Resource) (*resource.Resource, error) {
 	for i, patch := range patches {
 		if i == conflictingPatchIdx {
 			continue
 		}
-		if patches[conflictingPatchIdx].GroupVersionKind() != patch.GroupVersionKind() ||
-			patches[conflictingPatchIdx].GetName() != patch.GetName() {
+		if !patches[conflictingPatchIdx].Id().GvknEquals(patch.Id()) {
 			continue
 		}
-		conflict, err := mergepatch.HasConflicts(patch.Object, patches[conflictingPatchIdx].Object)
+		conflict, err := mergepatch.HasConflicts(
+			patch.Map(),
+			patches[conflictingPatchIdx].Map())
 		if err != nil {
 			return nil, err
 		}
@@ -64,14 +69,13 @@ func (jmp *jsonMergePatch) findConflict(conflictingPatchIdx int, patches []*reso
 	return nil, nil
 }
 
-func (jmp *jsonMergePatch) mergePatches(patch1, patch2 *resource.Resource) (*resource.Resource, error) {
-	var merged resource.Resource
-	var mergedMap map[string]interface{}
-	baseBytes, err := json.Marshal(patch1.Object)
+func (jmp *jsonMergePatch) mergePatches(
+	patch1, patch2 *resource.Resource) (*resource.Resource, error) {
+	baseBytes, err := json.Marshal(patch1.Map())
 	if err != nil {
 		return nil, err
 	}
-	patchBytes, err := json.Marshal(patch2.Object)
+	patchBytes, err := json.Marshal(patch2.Map())
 	if err != nil {
 		return nil, err
 	}
@@ -79,37 +83,43 @@ func (jmp *jsonMergePatch) mergePatches(patch1, patch2 *resource.Resource) (*res
 	if err != nil {
 		return nil, err
 	}
+	mergedMap := make(map[string]interface{})
 	err = json.Unmarshal(mergedBytes, &mergedMap)
-	merged.SetUnstructuredContent(mergedMap)
-	return &merged, err
+	return jmp.rf.FromMap(mergedMap), err
 }
 
 type strategicMergePatch struct {
 	lookupPatchMeta strategicpatch.LookupPatchMeta
+	rf              *resource.Factory
 }
 
 var _ conflictDetector = &strategicMergePatch{}
 
-func newSMPConflictDetector(versionedObj runtime.Object) (conflictDetector, error) {
+func newSMPConflictDetector(
+	versionedObj runtime.Object,
+	rf *resource.Factory) (conflictDetector, error) {
 	lookupPatchMeta, err := strategicpatch.NewPatchMetaFromStruct(versionedObj)
-	return &strategicMergePatch{lookupPatchMeta: lookupPatchMeta}, err
+	return &strategicMergePatch{lookupPatchMeta: lookupPatchMeta, rf: rf}, err
 }
 
-func (smp *strategicMergePatch) hasConflict(patch1, patch2 *resource.Resource) (bool, error) {
-	return strategicpatch.MergingMapsHaveConflicts(patch1.Object, patch2.Object, smp.lookupPatchMeta)
+func (smp *strategicMergePatch) hasConflict(p1, p2 *resource.Resource) (bool, error) {
+	return strategicpatch.MergingMapsHaveConflicts(
+		p1.Map(), p2.Map(), smp.lookupPatchMeta)
 }
 
-func (smp *strategicMergePatch) findConflict(conflictingPatchIdx int, patches []*resource.Resource) (*resource.Resource, error) {
+func (smp *strategicMergePatch) findConflict(
+	conflictingPatchIdx int, patches []*resource.Resource) (*resource.Resource, error) {
 	for i, patch := range patches {
 		if i == conflictingPatchIdx {
 			continue
 		}
-		if patches[conflictingPatchIdx].GroupVersionKind() != patch.GroupVersionKind() ||
-			patches[conflictingPatchIdx].GetName() != patch.GetName() {
+		if !patches[conflictingPatchIdx].Id().GvknEquals(patch.Id()) {
 			continue
 		}
 		conflict, err := strategicpatch.MergingMapsHaveConflicts(
-			patch.Object, patches[conflictingPatchIdx].Object, smp.lookupPatchMeta)
+			patch.Map(),
+			patches[conflictingPatchIdx].Map(),
+			smp.lookupPatchMeta)
 		if err != nil {
 			return nil, err
 		}
@@ -121,9 +131,7 @@ func (smp *strategicMergePatch) findConflict(conflictingPatchIdx int, patches []
 }
 
 func (smp *strategicMergePatch) mergePatches(patch1, patch2 *resource.Resource) (*resource.Resource, error) {
-	merged := resource.Resource{}
-	mergeJsonMap, err := strategicpatch.MergeStrategicMergeMapPatchUsingLookupPatchMeta(
-		smp.lookupPatchMeta, patch1.Object, patch2.Object)
-	merged.SetUnstructuredContent(mergeJsonMap)
-	return &merged, err
+	mergeJSONMap, err := strategicpatch.MergeStrategicMergeMapPatchUsingLookupPatchMeta(
+		smp.lookupPatchMeta, patch1.Map(), patch2.Map())
+	return smp.rf.FromMap(mergeJSONMap), err
 }

k8sdeps/validator/validators.go

@@ -0,0 +1,61 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package validator provides functions to validate labels, annotations, namespace using apimachinery
+package validator
+
+import (
+	"errors"
+	apivalidation "k8s.io/apimachinery/pkg/api/validation"
+	v1validation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
+	"k8s.io/apimachinery/pkg/util/validation"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+)
+
+// KustValidator validates Labels and annotations by apimachinery
+type KustValidator struct{}
+
+// NewKustValidator returns a KustValidator object
+func NewKustValidator() *KustValidator {
+	return &KustValidator{}
+}
+
+// MakeAnnotationValidator returns a MapValidatorFunc using apimachinery.
+func (v *KustValidator) MakeAnnotationValidator() func(map[string]string) error {
+	return func(x map[string]string) error {
+		errs := apivalidation.ValidateAnnotations(x, field.NewPath("field"))
+		if len(errs) > 0 {
+			return errors.New(errs.ToAggregate().Error())
+		}
+		return nil
+	}
+}
+
+// MakeLabelValidator returns a MapValidatorFunc using apimachinery.
+func (v *KustValidator) MakeLabelValidator() func(map[string]string) error {
+	return func(x map[string]string) error {
+		errs := v1validation.ValidateLabels(x, field.NewPath("field"))
+		if len(errs) > 0 {
+			return errors.New(errs.ToAggregate().Error())
+		}
+		return nil
+	}
+}
+
+// ValidateNamespace validates a string is a valid namespace using apimachinery.
+func (v *KustValidator) ValidateNamespace(s string) []string {
+	return validation.IsDNS1123Label(s)
+}

kustomize.go

@@ -19,15 +19,12 @@ package main
 import (
 	"os"
 
-	"github.com/golang/glog"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/commands"
+	"sigs.k8s.io/kustomize/k8sdeps"
+	"sigs.k8s.io/kustomize/pkg/commands"
 )
 
 func main() {
-	defer glog.Flush()
-
-	if err := commands.NewDefaultCommand().Execute(); err != nil {
+	if err := commands.NewDefaultCommand(k8sdeps.NewFactory()).Execute(); err != nil {
 		os.Exit(1)
 	}
 	os.Exit(0)

pkg/app/application.go

@@ -1,323 +0,0 @@
-/*
-Copyright 2018 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// Package app implements state for the set of all resources being customized.
-// Should rename this - there's nothing "app"y about it.
-package app
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-
-	"github.com/ghodss/yaml"
-	"github.com/golang/glog"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/configmapandsecret"
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/crds"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	interror "github.com/kubernetes-sigs/kustomize/pkg/internal/error"
-	"github.com/kubernetes-sigs/kustomize/pkg/loader"
-	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
-	"github.com/kubernetes-sigs/kustomize/pkg/resource"
-	"github.com/kubernetes-sigs/kustomize/pkg/transformers"
-	"github.com/kubernetes-sigs/kustomize/pkg/types"
-	"github.com/pkg/errors"
-)
-
-// Application implements the guts of the kustomize 'build' command.
-// TODO: Change name, as "application" is overloaded and somewhat
-// misleading (one can customize an RBAC policy).  Perhaps "Target"
-// https://github.com/kubernetes-sigs/kustomize/blob/master/docs/glossary.md#target
-type Application struct {
-	kustomization *types.Kustomization
-	ldr           loader.Loader
-	fSys          fs.FileSystem
-}
-
-// NewApplication returns a new instance of Application primed with a Loader.
-func NewApplication(ldr loader.Loader, fSys fs.FileSystem) (*Application, error) {
-	content, err := ldr.Load(constants.KustomizationFileName)
-	if err != nil {
-		return nil, err
-	}
-
-	var m types.Kustomization
-	err = unmarshal(content, &m)
-	if err != nil {
-		return nil, err
-	}
-
-	return &Application{kustomization: &m, ldr: ldr, fSys: fSys}, nil
-}
-
-func unmarshal(y []byte, o interface{}) error {
-	j, err := yaml.YAMLToJSON(y)
-	if err != nil {
-		return err
-	}
-
-	dec := json.NewDecoder(bytes.NewReader(j))
-	dec.DisallowUnknownFields()
-	return dec.Decode(o)
-}
-
-// MakeCustomizedResMap creates a ResMap per kustomization instructions.
-// The Resources in the returned ResMap are fully customized.
-func (a *Application) MakeCustomizedResMap() (resmap.ResMap, error) {
-	m, err := a.loadCustomizedResMap()
-	if err != nil {
-		return nil, err
-	}
-	return a.resolveRefsToGeneratedResources(m)
-}
-
-// resolveRefsToGeneratedResources fixes all name references.
-func (a *Application) resolveRefsToGeneratedResources(m resmap.ResMap) (resmap.ResMap, error) {
-	err := transformers.NewNameHashTransformer().Transform(m)
-	if err != nil {
-		return nil, err
-	}
-
-	var r []transformers.Transformer
-	t, err := transformers.NewDefaultingNameReferenceTransformer()
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-
-	refVars, err := a.resolveRefVars(m)
-	if err != nil {
-		return nil, err
-	}
-	t, err = transformers.NewRefVarTransformer(refVars)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-
-	err = transformers.NewMultiTransformer(r).Transform(m)
-	if err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-// loadCustomizedResMap loads and customizes resources to build a ResMap.
-func (a *Application) loadCustomizedResMap() (resmap.ResMap, error) {
-	errs := &interror.KustomizationErrors{}
-	result, err := a.loadResMapFromBasesAndResources()
-	if err != nil {
-		errs.Append(errors.Wrap(err, "loadResMapFromBasesAndResources"))
-	}
-	err = crds.RegisterCRDs(a.ldr, a.kustomization.Crds)
-	if err != nil {
-		errs.Append(errors.Wrap(err, "RegisterCRDs"))
-	}
-	cms, err := resmap.NewResMapFromConfigMapArgs(
-		configmapandsecret.NewConfigMapFactory(a.fSys, a.ldr),
-		a.kustomization.ConfigMapGenerator)
-	if err != nil {
-		errs.Append(errors.Wrap(err, "NewResMapFromConfigMapArgs"))
-	}
-	secrets, err := resmap.NewResMapFromSecretArgs(
-		configmapandsecret.NewSecretFactory(a.fSys, a.ldr.Root()),
-		a.kustomization.SecretGenerator)
-	if err != nil {
-		errs.Append(errors.Wrap(err, "NewResMapFromSecretArgs"))
-	}
-	res, err := resmap.MergeWithoutOverride(cms, secrets)
-	if err != nil {
-		return nil, errors.Wrap(err, "Merge")
-	}
-
-	result, err = resmap.MergeWithOverride(result, res)
-	if err != nil {
-		return nil, err
-	}
-
-	patches, err := resmap.NewResourceSliceFromPatches(a.ldr, a.kustomization.Patches)
-	if err != nil {
-		errs.Append(errors.Wrap(err, "NewResourceSliceFromPatches"))
-	}
-
-	if len(errs.Get()) > 0 {
-		return nil, errs
-	}
-
-	var r []transformers.Transformer
-	t, err := a.newTransformer(patches)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-	t, err = transformers.NewImageTagTransformer(a.kustomization.ImageTags)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-
-	err = transformers.NewMultiTransformer(r).Transform(result)
-	if err != nil {
-		return nil, err
-	}
-	return result, nil
-}
-
-// Gets Bases and Resources as advertised.
-func (a *Application) loadResMapFromBasesAndResources() (resmap.ResMap, error) {
-	bases, errs := a.loadCustomizedBases()
-	resources, err := resmap.NewResMapFromFiles(a.ldr, a.kustomization.Resources)
-	if err != nil {
-		errs.Append(errors.Wrap(err, "rawResources failed to read Resources"))
-	}
-	if len(errs.Get()) > 0 {
-		return nil, errs
-	}
-	return resmap.MergeWithoutOverride(resources, bases)
-}
-
-// Loop through the Bases of this kustomization recursively loading resources.
-// Combine into one ResMap, demanding unique Ids for each resource.
-func (a *Application) loadCustomizedBases() (resmap.ResMap, *interror.KustomizationErrors) {
-	var list []resmap.ResMap
-	errs := &interror.KustomizationErrors{}
-	for _, path := range a.kustomization.Bases {
-		ldr, err := a.ldr.New(path)
-		if err != nil {
-			errs.Append(errors.Wrap(err, "couldn't make ldr for "+path))
-			continue
-		}
-		app, err := NewApplication(ldr, a.fSys)
-		if err != nil {
-			errs.Append(errors.Wrap(err, "couldn't make app for "+path))
-			continue
-		}
-		resMap, err := app.loadCustomizedResMap()
-		if err != nil {
-			errs.Append(errors.Wrap(err, "SemiResources"))
-			continue
-		}
-		ldr.Cleanup()
-		list = append(list, resMap)
-	}
-	result, err := resmap.MergeWithoutOverride(list...)
-	if err != nil {
-		errs.Append(errors.Wrap(err, "Merge failed"))
-	}
-	return result, errs
-}
-
-func (a *Application) loadBasesAsFlatList() ([]*Application, error) {
-	var result []*Application
-	errs := &interror.KustomizationErrors{}
-	for _, path := range a.kustomization.Bases {
-		ldr, err := a.ldr.New(path)
-		if err != nil {
-			errs.Append(err)
-			continue
-		}
-		a, err := NewApplication(ldr, a.fSys)
-		if err != nil {
-			errs.Append(err)
-			continue
-		}
-		result = append(result, a)
-	}
-	if len(errs.Get()) > 0 {
-		return nil, errs
-	}
-	return result, nil
-}
-
-// newTransformer makes a Transformer that does everything except resolve generated names.
-func (a *Application) newTransformer(patches []*resource.Resource) (transformers.Transformer, error) {
-	var r []transformers.Transformer
-	t, err := transformers.NewPatchTransformer(patches)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-	r = append(r, transformers.NewNamespaceTransformer(string(a.kustomization.Namespace)))
-	t, err = transformers.NewDefaultingNamePrefixTransformer(string(a.kustomization.NamePrefix))
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-	t, err = transformers.NewDefaultingLabelsMapTransformer(a.kustomization.CommonLabels)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-	t, err = transformers.NewDefaultingAnnotationsMapTransformer(a.kustomization.CommonAnnotations)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, t)
-	return transformers.NewMultiTransformer(r), nil
-}
-
-func (a *Application) resolveRefVars(m resmap.ResMap) (map[string]string, error) {
-	result := map[string]string{}
-	vars, err := a.getAllVars()
-	if err != nil {
-		return result, err
-	}
-	for _, v := range vars {
-		id := resource.NewResId(v.ObjRef.GroupVersionKind(), v.ObjRef.Name)
-		if r, found := m.DemandOneMatchForId(id); found {
-			s, err := r.GetFieldValue(v.FieldRef.FieldPath)
-			if err != nil {
-				return nil, fmt.Errorf("failed to resolve referred var: %+v", v)
-			}
-			result[v.Name] = s
-		} else {
-			glog.Infof("couldn't resolve v: %v", v)
-		}
-	}
-	return result, nil
-}
-
-// getAllVars returns all the "environment" style Var instances defined in the app.
-func (a *Application) getAllVars() ([]types.Var, error) {
-	var result []types.Var
-	errs := &interror.KustomizationErrors{}
-
-	bases, err := a.loadBasesAsFlatList()
-	if err != nil {
-		return nil, err
-	}
-
-	// TODO: computing vars and resources for bases can be combined
-	for _, b := range bases {
-		vars, err := b.getAllVars()
-		if err != nil {
-			errs.Append(err)
-			continue
-		}
-		b.ldr.Cleanup()
-		result = append(result, vars...)
-	}
-	for _, v := range a.kustomization.Vars {
-		v.Defaulting()
-		result = append(result, v)
-	}
-	if len(errs.Get()) > 0 {
-		return nil, errs
-	}
-	return result, nil
-}

pkg/app/application_test.go

@@ -1,248 +0,0 @@
-/*
-Copyright 2018 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package app
-
-import (
-	"encoding/base64"
-	"reflect"
-	"strings"
-	"testing"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/internal/loadertest"
-	"github.com/kubernetes-sigs/kustomize/pkg/loader"
-	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
-	"github.com/kubernetes-sigs/kustomize/pkg/resource"
-	corev1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-)
-
-const (
-	kustomizationContent1 = `
-namePrefix: foo-
-namespace: ns1
-commonLabels:
-  app: nginx
-commonAnnotations:
-  note: This is a test annotation
-resources:
-  - deployment.yaml
-  - namespace.yaml
-configMapGenerator:
-- name: literalConfigMap
-  literals:
-  - DB_USERNAME=admin
-  - DB_PASSWORD=somepw
-secretGenerator:
-- name: secret
-  commands:
-    DB_USERNAME: "printf admin"
-    DB_PASSWORD: "printf somepw"
-  type: Opaque
-`
-	kustomizationContent2 = `
-secretGenerator:
-- name: secret
-  timeoutSeconds: 1
-  commands:
-    USER: "sleep 2"
-  type: Opaque
-`
-	deploymentContent = `apiVersion: apps/v1
-metadata:
-  name: dply1
-kind: Deployment
-`
-	namespaceContent = `apiVersion: v1
-kind: Namespace
-metadata:
-  name: ns1
-`
-)
-
-func makeLoader1(t *testing.T) loader.Loader {
-	ldr := loadertest.NewFakeLoader("/testpath")
-	err := ldr.AddFile("/testpath/"+constants.KustomizationFileName, []byte(kustomizationContent1))
-	if err != nil {
-		t.Fatalf("Failed to setup fake ldr.")
-	}
-	err = ldr.AddFile("/testpath/deployment.yaml", []byte(deploymentContent))
-	if err != nil {
-		t.Fatalf("Failed to setup fake ldr.")
-	}
-	err = ldr.AddFile("/testpath/namespace.yaml", []byte(namespaceContent))
-	if err != nil {
-		t.Fatalf("Failed to setup fake ldr.")
-	}
-	return ldr
-}
-
-var deploy = schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"}
-var cmap = schema.GroupVersionKind{Version: "v1", Kind: "ConfigMap"}
-var secret = schema.GroupVersionKind{Version: "v1", Kind: "Secret"}
-var ns = schema.GroupVersionKind{Version: "v1", Kind: "Namespace"}
-
-func TestResources1(t *testing.T) {
-	expected := resmap.ResMap{
-		resource.NewResIdWithPrefixNamespace(deploy, "dply1", "foo-", "ns1"): resource.NewResourceFromMap(
-			map[string]interface{}{
-				"apiVersion": "apps/v1",
-				"kind":       "Deployment",
-				"metadata": map[string]interface{}{
-					"name":      "foo-dply1",
-					"namespace": "ns1",
-					"labels": map[string]interface{}{
-						"app": "nginx",
-					},
-					"annotations": map[string]interface{}{
-						"note": "This is a test annotation",
-					},
-				},
-				"spec": map[string]interface{}{
-					"selector": map[string]interface{}{
-						"matchLabels": map[string]interface{}{
-							"app": "nginx",
-						},
-					},
-					"template": map[string]interface{}{
-						"metadata": map[string]interface{}{
-							"annotations": map[string]interface{}{
-								"note": "This is a test annotation",
-							},
-							"labels": map[string]interface{}{
-								"app": "nginx",
-							},
-						},
-					},
-				},
-			}),
-		resource.NewResIdWithPrefixNamespace(cmap, "literalConfigMap", "foo-", "ns1"): resource.NewResourceFromMap(
-			map[string]interface{}{
-				"apiVersion": "v1",
-				"kind":       "ConfigMap",
-				"metadata": map[string]interface{}{
-					"name":      "foo-literalConfigMap-mc92bgcbh5",
-					"namespace": "ns1",
-					"labels": map[string]interface{}{
-						"app": "nginx",
-					},
-					"annotations": map[string]interface{}{
-						"note": "This is a test annotation",
-					},
-					"creationTimestamp": nil,
-				},
-				"data": map[string]interface{}{
-					"DB_USERNAME": "admin",
-					"DB_PASSWORD": "somepw",
-				},
-			}).SetBehavior(resource.BehaviorCreate),
-		resource.NewResIdWithPrefixNamespace(secret, "secret", "foo-", "ns1"): resource.NewResourceFromMap(
-			map[string]interface{}{
-				"apiVersion": "v1",
-				"kind":       "Secret",
-				"metadata": map[string]interface{}{
-					"name":      "foo-secret-877fcfhgt5",
-					"namespace": "ns1",
-					"labels": map[string]interface{}{
-						"app": "nginx",
-					},
-					"annotations": map[string]interface{}{
-						"note": "This is a test annotation",
-					},
-					"creationTimestamp": nil,
-				},
-				"type": string(corev1.SecretTypeOpaque),
-				"data": map[string]interface{}{
-					"DB_USERNAME": base64.StdEncoding.EncodeToString([]byte("admin")),
-					"DB_PASSWORD": base64.StdEncoding.EncodeToString([]byte("somepw")),
-				},
-			}).SetBehavior(resource.BehaviorCreate),
-		resource.NewResIdWithPrefixNamespace(ns, "ns1", "foo-", ""): resource.NewResourceFromMap(
-			map[string]interface{}{
-				"apiVersion": "v1",
-				"kind":       "Namespace",
-				"metadata": map[string]interface{}{
-					"name": "foo-ns1",
-					"labels": map[string]interface{}{
-						"app": "nginx",
-					},
-					"annotations": map[string]interface{}{
-						"note": "This is a test annotation",
-					},
-				},
-			}),
-	}
-	l := makeLoader1(t)
-	fakeFs := fs.MakeFakeFS()
-	fakeFs.Mkdir("/")
-	app, err := NewApplication(l, fakeFs)
-	if err != nil {
-		t.Fatalf("Unexpected construction error %v", err)
-	}
-	actual, err := app.MakeCustomizedResMap()
-	if err != nil {
-		t.Fatalf("Unexpected Resources error %v", err)
-	}
-
-	if !reflect.DeepEqual(actual, expected) {
-		err = expected.ErrorIfNotEqual(actual)
-		t.Fatalf("unexpected inequality: %v", err)
-	}
-}
-
-func TestResourceNotFound(t *testing.T) {
-	l := loadertest.NewFakeLoader("/testpath")
-	err := l.AddFile("/testpath/"+constants.KustomizationFileName, []byte(kustomizationContent1))
-	if err != nil {
-		t.Fatalf("Failed to setup fake ldr.")
-	}
-	fakeFs := fs.MakeFakeFS()
-	fakeFs.Mkdir("/")
-	app, err := NewApplication(l, fakeFs)
-	if err != nil {
-		t.Fatalf("Unexpected construction error %v", err)
-	}
-	_, err = app.MakeCustomizedResMap()
-	if err == nil {
-		t.Fatalf("Didn't get the expected error for an unknown resource")
-	}
-	if !strings.Contains(err.Error(), `cannot read file "/testpath/deployment.yaml"`) {
-		t.Fatalf("Unpexpected error message %q", err)
-	}
-}
-
-func TestSecretTimeout(t *testing.T) {
-	l := loadertest.NewFakeLoader("/testpath")
-	err := l.AddFile("/testpath/"+constants.KustomizationFileName, []byte(kustomizationContent2))
-	if err != nil {
-		t.Fatalf("Failed to setup fake ldr.")
-	}
-	fakeFs := fs.MakeFakeFS()
-	fakeFs.Mkdir("/")
-	app, err := NewApplication(l, fakeFs)
-	if err != nil {
-		t.Fatalf("Unexpected construction error %v", err)
-	}
-	_, err = app.MakeCustomizedResMap()
-	if err == nil {
-		t.Fatalf("Didn't get the expected error for an unknown resource")
-	}
-	if !strings.Contains(err.Error(), "killed") {
-		t.Fatalf("Unpexpected error message %q", err)
-	}
-}

pkg/commands/addmetadata.go

@@ -1,172 +0,0 @@
-/*
-Copyright 2018 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package commands
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/validate"
-	"github.com/spf13/cobra"
-)
-
-// KindOfAdd is the kind of metadata being added: label or annotation
-type KindOfAdd int
-
-const (
-	annotation KindOfAdd = iota
-	label
-)
-
-func (k KindOfAdd) String() string {
-	kinds := [...]string{
-		"annotation",
-		"label",
-	}
-	if k < 0 || k > 1 {
-		return "Unknown metadatakind"
-	}
-	return kinds[k]
-}
-
-type addMetadataOptions struct {
-	metadata map[string]string
-}
-
-// newCmdAddAnnotation adds one or more commonAnnotations to the kustomization file.
-func newCmdAddAnnotation(fsys fs.FileSystem) *cobra.Command {
-	var o addMetadataOptions
-
-	cmd := &cobra.Command{
-		Use:   "annotation",
-		Short: "Adds one or more commonAnnotations to the kustomization.yaml in current directory",
-		Example: `
-		add annotation {annotationKey1:annotationValue1},{annotationKey2:annotationValue2}`,
-		RunE: func(cmd *cobra.Command, args []string) error {
-			err := o.ValidateAndParse(args, annotation)
-			if err != nil {
-				return err
-			}
-			return o.RunAddAnnotation(fsys, annotation)
-		},
-	}
-	return cmd
-}
-
-// newCmdAddLabel adds one or more commonLabels to the kustomization file.
-func newCmdAddLabel(fsys fs.FileSystem) *cobra.Command {
-	var o addMetadataOptions
-
-	cmd := &cobra.Command{
-		Use:   "label",
-		Short: "Adds one or more commonLabels to the kustomization.yaml in current directory",
-		Example: `
-		add label {labelKey1:labelValue1},{labelKey2:labelValue2}`,
-		RunE: func(cmd *cobra.Command, args []string) error {
-			err := o.ValidateAndParse(args, label)
-			if err != nil {
-				return err
-			}
-			return o.RunAddLabel(fsys, label)
-		},
-	}
-	return cmd
-}
-
-// ValidateAndParse validates addLabel and addAnnotation commands and parses them into o.metadata
-func (o *addMetadataOptions) ValidateAndParse(args []string, k KindOfAdd) error {
-	o.metadata = make(map[string]string)
-	if len(args) < 1 {
-		return fmt.Errorf("must specify %s", k)
-	}
-	if len(args) > 1 {
-		return fmt.Errorf("%ss must be comma-separated, with no spaces. See help text for example", k)
-	}
-	inputs := strings.Split(args[0], ",")
-	for _, input := range inputs {
-		switch k {
-		case label:
-			valid, err := validate.IsValidLabel(input)
-			if !valid {
-				return err
-			}
-		case annotation:
-			valid, err := validate.IsValidAnnotation(input)
-			if !valid {
-				return err
-			}
-		default:
-			return fmt.Errorf("unknown metadata kind %s", k)
-		}
-		//parse annotation keys and values into metadata
-		kv := strings.Split(input, ":")
-		o.metadata[kv[0]] = kv[1]
-	}
-	return nil
-}
-
-// RunAddAnnotation runs addAnnotation command, doing the real work.
-func (o *addMetadataOptions) RunAddAnnotation(fsys fs.FileSystem, k KindOfAdd) error {
-	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
-	if err != nil {
-		return err
-	}
-	m, err := mf.read()
-	if err != nil {
-		return err
-	}
-
-	if m.CommonAnnotations == nil {
-		m.CommonAnnotations = make(map[string]string)
-	}
-
-	for key, value := range o.metadata {
-		if k == annotation {
-			if _, ok := m.CommonAnnotations[key]; ok {
-				return fmt.Errorf("%s %s already in kustomization file", k, key)
-			}
-			m.CommonAnnotations[key] = value
-		}
-	}
-	return mf.write(m)
-}
-
-// RunAddLabel runs addLabel command, doing the real work.
-func (o *addMetadataOptions) RunAddLabel(fsys fs.FileSystem, k KindOfAdd) error {
-	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
-	if err != nil {
-		return err
-	}
-	m, err := mf.read()
-	if err != nil {
-		return err
-	}
-
-	if m.CommonLabels == nil {
-		m.CommonLabels = make(map[string]string)
-	}
-
-	for key, value := range o.metadata {
-		if _, ok := m.CommonLabels[key]; ok {
-			return fmt.Errorf("%s %s already in kustomization file", k, key)
-		}
-		m.CommonLabels[key] = value
-	}
-	return mf.write(m)
-}

pkg/commands/addmetadata_test.go

@@ -1,190 +0,0 @@
-/*
-Copyright 2018 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package commands
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-)
-
-func TestParseValidateInput(t *testing.T) {
-	var testcases = []struct {
-		input        string
-		valid        bool
-		name         string
-		expectedData map[string]string
-		kind         KindOfAdd
-	}{
-		{
-			input: "otters:cute",
-			valid: true,
-			name:  "Adds single input",
-			expectedData: map[string]string{
-				"otters": "cute",
-			},
-			kind: label,
-		},
-		{
-			input: "owls:great,unicorns:magical",
-			valid: true,
-			name:  "Adds two items",
-			expectedData: map[string]string{
-				"owls":     "great",
-				"unicorns": "magical",
-			},
-			kind: label,
-		},
-		{
-			input: "123:45",
-			valid: true,
-			name:  "Numeric input is allowed",
-			expectedData: map[string]string{
-				"123": "45",
-			},
-			kind: annotation,
-		},
-		{
-			input:        " ",
-			valid:        false,
-			name:         "Empty space input",
-			expectedData: nil,
-			kind:         annotation,
-		},
-	}
-	var o addMetadataOptions
-	for _, tc := range testcases {
-		args := []string{tc.input}
-		err := o.ValidateAndParse(args, tc.kind)
-		if err != nil && tc.valid {
-			t.Errorf("for test case %s, unexpected cmd error: %v", tc.name, err)
-		}
-		if err == nil && !tc.valid {
-			t.Errorf("unexpected error: expected invalid format error for test case %v", tc.name)
-		}
-		//o.metadata should be the same as expectedData
-		if tc.valid {
-			if !reflect.DeepEqual(o.metadata, tc.expectedData) {
-				t.Errorf("unexpected error: for test case %s, unexpected data was added", tc.name)
-			}
-		} else {
-			if len(o.metadata) != 0 {
-				t.Errorf("unexpected error: for test case %s, expected no data to be added", tc.name)
-			}
-		}
-	}
-}
-
-func TestRunAddAnnotation(t *testing.T) {
-	fakeFS := fs.MakeFakeFS()
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
-	var o addMetadataOptions
-	o.metadata = map[string]string{"owls": "cute", "otters": "adorable"}
-
-	err := o.RunAddAnnotation(fakeFS, annotation)
-	if err != nil {
-		t.Errorf("unexpected error: could not write to kustomization file")
-	}
-	// adding the same test input should not work
-	err = o.RunAddAnnotation(fakeFS, annotation)
-	if err == nil {
-		t.Errorf("expected already in kustomization file error")
-	}
-	// adding new annotations should work
-	o.metadata = map[string]string{"new": "annotation"}
-	err = o.RunAddAnnotation(fakeFS, annotation)
-	if err != nil {
-		t.Errorf("unexpected error: could not write to kustomization file")
-	}
-}
-
-func TestAddAnnotationNoArgs(t *testing.T) {
-	fakeFS := fs.MakeFakeFS()
-	cmd := newCmdAddAnnotation(fakeFS)
-	err := cmd.Execute()
-	if err == nil {
-		t.Errorf("expected an error but error is %v", err)
-	}
-	if err != nil && err.Error() != "must specify annotation" {
-		t.Errorf("incorrect error: %v", err.Error())
-	}
-}
-func TestAddAnnotationMultipleArgs(t *testing.T) {
-	fakeFS := fs.MakeFakeFS()
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
-	cmd := newCmdAddAnnotation(fakeFS)
-	args := []string{"this:annotation", "has:spaces"}
-	err := cmd.RunE(cmd, args)
-	if err == nil {
-		t.Errorf("expected an error but error is %v", err)
-	}
-	if err != nil && err.Error() != "annotations must be comma-separated, with no spaces. See help text for example" {
-		t.Errorf("incorrect error: %v", err.Error())
-	}
-}
-
-func TestRunAddLabel(t *testing.T) {
-	fakeFS := fs.MakeFakeFS()
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
-	var o addMetadataOptions
-	o.metadata = map[string]string{"owls": "cute", "otters": "adorable"}
-
-	err := o.RunAddLabel(fakeFS, label)
-	if err != nil {
-		t.Errorf("unexpected error: could not write to kustomization file")
-	}
-	// adding the same test input should not work
-	err = o.RunAddLabel(fakeFS, label)
-	if err == nil {
-		t.Errorf("expected already in kustomization file error")
-	}
-	// adding new labels should work
-	o.metadata = map[string]string{"new": "label"}
-	err = o.RunAddLabel(fakeFS, label)
-	if err != nil {
-		t.Errorf("unexpected error: could not write to kustomization file")
-	}
-}
-
-func TestAddLabelNoArgs(t *testing.T) {
-	fakeFS := fs.MakeFakeFS()
-
-	cmd := newCmdAddLabel(fakeFS)
-	err := cmd.Execute()
-	if err == nil {
-		t.Errorf("expected an error but error is: %v", err)
-	}
-	if err != nil && err.Error() != "must specify label" {
-		t.Errorf("incorrect error: %v", err.Error())
-	}
-}
-
-func TestAddLabelMultipleArgs(t *testing.T) {
-	fakeFS := fs.MakeFakeFS()
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
-	cmd := newCmdAddLabel(fakeFS)
-	args := []string{"this:input", "has:spaces"}
-	err := cmd.RunE(cmd, args)
-	if err == nil {
-		t.Errorf("expected an error but error is: %v", err)
-	}
-	if err != nil && err.Error() != "labels must be comma-separated, with no spaces. See help text for example" {
-		t.Errorf("incorrect error: %v", err.Error())
-	}
-}

pkg/commands/build/build.go

@@ -14,26 +14,35 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package build
 
 import (
 	"io"
 
+	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
-
-	"errors"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/app"
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/loader"
+	"sigs.k8s.io/kustomize/pkg/constants"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/ifc/transformer"
+	"sigs.k8s.io/kustomize/pkg/loader"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/target"
 )
 
-type buildOptions struct {
+// Options contain the options for running a build
+type Options struct {
 	kustomizationPath string
 	outputPath        string
 }
 
+// NewOptions creates a Options object
+func NewOptions(p, o string) *Options {
+	return &Options{
+		kustomizationPath: p,
+		outputPath:        o,
+	}
+}
+
 var examples = `
 Use the file somedir/kustomization.yaml to generate a set of api resources:
     build somedir
@@ -44,18 +53,21 @@ The url should follow hashicorp/go-getter URL format described in
 https://github.com/hashicorp/go-getter#url-format
 
 url examples:
-  github.com/kubernetes-sigs/kustomize//examples/multibases?ref=v1.0.6
+  sigs.k8s.io/kustomize//examples/multibases?ref=v1.0.6
   github.com/Liujingfang1/mysql
   github.com/Liujingfang1/kustomize//examples/helloWorld?ref=repoUrl2
 `
 
-// newCmdBuild creates a new build command.
-func newCmdBuild(out io.Writer, fs fs.FileSystem) *cobra.Command {
-	var o buildOptions
+// NewCmdBuild creates a new build command.
+func NewCmdBuild(
+	out io.Writer, fs fs.FileSystem,
+	rf *resmap.Factory,
+	ptf transformer.Factory) *cobra.Command {
+	var o Options
 
 	cmd := &cobra.Command{
 		Use:          "build [path]",
-		Short:        "Print current configuration per contents of " + constants.KustomizationFileName,
+		Short:        "Print current configuration per contents of " + constants.KustomizationFileNames[0],
 		Example:      examples,
 		SilenceUsage: true,
 		RunE: func(cmd *cobra.Command, args []string) error {
@@ -63,7 +75,7 @@ func newCmdBuild(out io.Writer, fs fs.FileSystem) *cobra.Command {
 			if err != nil {
 				return err
 			}
-			return o.RunBuild(out, fs)
+			return o.RunBuild(out, fs, rf, ptf)
 		},
 	}
 	cmd.Flags().StringVarP(
@@ -74,43 +86,41 @@ func newCmdBuild(out io.Writer, fs fs.FileSystem) *cobra.Command {
 }
 
 // Validate validates build command.
-func (o *buildOptions) Validate(args []string) error {
+func (o *Options) Validate(args []string) error {
 	if len(args) > 1 {
-		return errors.New("specify one path to " + constants.KustomizationFileName)
+		return errors.New("specify one path to " + constants.KustomizationFileNames[0])
 	}
 	if len(args) == 0 {
 		o.kustomizationPath = "./"
-		return nil
+	} else {
+		o.kustomizationPath = args[0]
 	}
-	o.kustomizationPath = args[0]
+
 	return nil
 }
 
 // RunBuild runs build command.
-func (o *buildOptions) RunBuild(out io.Writer, fSys fs.FileSystem) error {
-	rootLoader, err := loader.NewLoader(o.kustomizationPath, "", fSys)
+func (o *Options) RunBuild(
+	out io.Writer, fSys fs.FileSystem,
+	rf *resmap.Factory, ptf transformer.Factory) error {
+	ldr, err := loader.NewLoader(o.kustomizationPath, fSys)
 	if err != nil {
 		return err
 	}
-	defer rootLoader.Cleanup()
-
-	application, err := app.NewApplication(rootLoader, fSys)
+	defer ldr.Cleanup()
+	kt, err := target.NewKustTarget(ldr, fSys, rf, ptf)
 	if err != nil {
 		return err
 	}
-
-	allResources, err := application.MakeCustomizedResMap()
-
+	allResources, err := kt.MakeCustomizedResMap()
 	if err != nil {
 		return err
 	}
-
 	// Output the objects.
 	res, err := allResources.EncodeAsYaml()
 	if err != nil {
 		return err
 	}
-
 	if o.outputPath != "" {
 		return fSys.WriteFile(o.outputPath, res)
 	}

pkg/commands/build/build_test.go

@@ -0,0 +1,58 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package build
+
+import (
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/constants"
+)
+
+func TestBuildValidate(t *testing.T) {
+	var cases = []struct {
+		name  string
+		args  []string
+		path  string
+		erMsg string
+	}{
+		{"noargs", []string{}, "./", ""},
+		{"file", []string{"beans"}, "beans", ""},
+		{"path", []string{"a/b/c"}, "a/b/c", ""},
+		{"path", []string{"too", "many"},
+			"", "specify one path to " + constants.KustomizationFileNames[0]},
+	}
+	for _, mycase := range cases {
+		opts := Options{}
+		e := opts.Validate(mycase.args)
+		if len(mycase.erMsg) > 0 {
+			if e == nil {
+				t.Errorf("%s: Expected an error %v", mycase.name, mycase.erMsg)
+			}
+			if e.Error() != mycase.erMsg {
+				t.Errorf("%s: Expected error %s, but got %v", mycase.name, mycase.erMsg, e)
+			}
+			continue
+		}
+		if e != nil {
+			t.Errorf("%s: unknown error %v", mycase.name, e)
+			continue
+		}
+		if opts.kustomizationPath != mycase.path {
+			t.Errorf("%s: expected path '%s', got '%s'", mycase.name, mycase.path, opts.kustomizationPath)
+		}
+	}
+}

pkg/commands/build_test.go

@@ -1,154 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package commands
-
-import (
-	"bytes"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"reflect"
-	"strings"
-	"testing"
-
-	"github.com/ghodss/yaml"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"k8s.io/apimachinery/pkg/util/sets"
-)
-
-type buildTestCase struct {
-	Description string   `yaml:"description"`
-	Args        []string `yaml:"args"`
-	Filename    string   `yaml:"filename"`
-	// path to the file that contains the expected output
-	ExpectedStdout string `yaml:"expectedStdout"`
-	ExpectedError  string `yaml:"expectedError"`
-}
-
-func TestBuildValidate(t *testing.T) {
-	var cases = []struct {
-		name  string
-		args  []string
-		path  string
-		erMsg string
-	}{
-		{"noargs", []string{}, "./", ""},
-		{"file", []string{"beans"}, "beans", ""},
-		{"path", []string{"a/b/c"}, "a/b/c", ""},
-		{"path", []string{"too", "many"},
-			"", "specify one path to " + constants.KustomizationFileName},
-	}
-	for _, mycase := range cases {
-		opts := buildOptions{}
-		e := opts.Validate(mycase.args)
-		if len(mycase.erMsg) > 0 {
-			if e == nil {
-				t.Errorf("%s: Expected an error %v", mycase.name, mycase.erMsg)
-			}
-			if e.Error() != mycase.erMsg {
-				t.Errorf("%s: Expected error %s, but got %v", mycase.name, mycase.erMsg, e)
-			}
-			continue
-		}
-		if e != nil {
-			t.Errorf("%s: unknown error %v", mycase.name, e)
-			continue
-		}
-		if opts.kustomizationPath != mycase.path {
-			t.Errorf("%s: expected path '%s', got '%s'", mycase.name, mycase.path, opts.kustomizationPath)
-		}
-	}
-}
-
-func TestBuild(t *testing.T) {
-	const updateEnvVar = "UPDATE_KUSTOMIZE_EXPECTED_DATA"
-	updateKustomizeExpected := os.Getenv(updateEnvVar) == "true"
-	fSys := fs.MakeRealFS()
-
-	testcases := sets.NewString()
-	filepath.Walk("testdata", func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-		if path == "testdata" {
-			return nil
-		}
-		name := filepath.Base(path)
-		if info.IsDir() {
-			if strings.HasPrefix(name, "testcase-") {
-				testcases.Insert(strings.TrimPrefix(name, "testcase-"))
-			}
-			return filepath.SkipDir
-		}
-		return nil
-	})
-	// sanity check that we found the right folder
-	if !testcases.Has("simple") {
-		t.Fatalf("Error locating testcases")
-	}
-
-	for _, testcaseName := range testcases.List() {
-		t.Run(testcaseName, func(t *testing.T) { runBuildTestCase(t, testcaseName, updateKustomizeExpected, fSys) })
-	}
-
-}
-
-func runBuildTestCase(t *testing.T, testcaseName string, updateKustomizeExpected bool, fSys fs.FileSystem) {
-	name := testcaseName
-	testcase := buildTestCase{}
-	testcaseDir := filepath.Join("testdata", "testcase-"+name)
-	testcaseData, err := ioutil.ReadFile(filepath.Join(testcaseDir, "test.yaml"))
-	if err != nil {
-		t.Fatalf("%s: %v", name, err)
-	}
-	if err := yaml.Unmarshal(testcaseData, &testcase); err != nil {
-		t.Fatalf("%s: %v", name, err)
-	}
-
-	ops := &buildOptions{
-		kustomizationPath: testcase.Filename,
-	}
-	buf := bytes.NewBuffer([]byte{})
-	err = ops.RunBuild(buf, fSys)
-	switch {
-	case err != nil && len(testcase.ExpectedError) == 0:
-		t.Errorf("unexpected error: %v", err)
-	case err != nil && len(testcase.ExpectedError) != 0:
-		if !strings.Contains(err.Error(), testcase.ExpectedError) {
-			t.Errorf("expected error to contain %q but got: %v", testcase.ExpectedError, err)
-		}
-		return
-	case err == nil && len(testcase.ExpectedError) != 0:
-		t.Errorf("unexpected no error")
-	}
-
-	actualBytes := buf.Bytes()
-	if !updateKustomizeExpected {
-		expectedBytes, err := ioutil.ReadFile(testcase.ExpectedStdout)
-		if err != nil {
-			t.Errorf("unexpected error: %v", err)
-		}
-		if !reflect.DeepEqual(actualBytes, expectedBytes) {
-			t.Errorf("%s\ndoesn't equal expected:\n%s\n", actualBytes, expectedBytes)
-		}
-	} else {
-		ioutil.WriteFile(testcase.ExpectedStdout, actualBytes, 0644)
-	}
-
-}

pkg/commands/commands.go

@@ -21,12 +21,16 @@ import (
 	"flag"
 	"os"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
 	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/commands/build"
+	"sigs.k8s.io/kustomize/pkg/commands/edit"
+	"sigs.k8s.io/kustomize/pkg/commands/misc"
+	"sigs.k8s.io/kustomize/pkg/factory"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 // NewDefaultCommand returns the default (aka root) command for kustomize command.
-func NewDefaultCommand() *cobra.Command {
+func NewDefaultCommand(f *factory.KustFactory) *cobra.Command {
 	fsys := fs.MakeRealFS()
 	stdOut := os.Stdout
 
@@ -36,15 +40,16 @@ func NewDefaultCommand() *cobra.Command {
 		Long: `
 kustomize manages declarative configuration of Kubernetes.
 
-See https://github.com/kubernetes-sigs/kustomize
+See https://sigs.k8s.io/kustomize
 `,
 	}
 
 	c.AddCommand(
 		// TODO: Make consistent API for newCmd* functions.
-		newCmdBuild(stdOut, fsys),
-		newCmdEdit(fsys),
-		newCmdVersion(stdOut),
+		build.NewCmdBuild(stdOut, fsys, f.ResmapF, f.TransformerF),
+		edit.NewCmdEdit(fsys, f.ValidatorF, f.UnstructF),
+		misc.NewCmdConfig(fsys),
+		misc.NewCmdVersion(stdOut),
 	)
 	c.PersistentFlags().AddGoFlagSet(flag.CommandLine)
 
@@ -53,85 +58,3 @@ See https://github.com/kubernetes-sigs/kustomize
 	flag.CommandLine.Parse([]string{})
 	return c
 }
-
-// newCmdEdit returns an instance of 'edit' subcommand.
-func newCmdEdit(fsys fs.FileSystem) *cobra.Command {
-	c := &cobra.Command{
-		Use:   "edit",
-		Short: "Edits a kustomization file",
-		Long:  "",
-		Example: `
-	# Adds a configmap to the kustomization file
-	kustomize edit add configmap NAME --from-literal=k=v
-
-	# Sets the nameprefix field
-	kustomize edit set nameprefix <prefix-value>
-`,
-		Args: cobra.MinimumNArgs(1),
-	}
-	c.AddCommand(
-		newCmdAdd(fsys),
-		newCmdSet(fsys),
-	)
-	return c
-}
-
-// newAddCommand returns an instance of 'add' subcommand.
-func newCmdAdd(fsys fs.FileSystem) *cobra.Command {
-	c := &cobra.Command{
-		Use:   "add",
-		Short: "Adds configmap/resource/patch/base to the kustomization file.",
-		Long:  "",
-		Example: `
-	# Adds a configmap to the kustomization file
-	kustomize edit add configmap NAME --from-literal=k=v
-
-	# Adds a resource to the kustomization
-	kustomize edit add resource <filepath>
-
-	# Adds a patch to the kustomization
-	kustomize edit add patch <filepath>
-
-	# Adds one or more base directories to the kustomization
-	kustomize edit add base <filepath>
-	kustomize edit add base <filepath1>,<filepath2>,<filepath3>
-
-	# Adds one or more commonLabels to the kustomization
-	kustomize edit add label {labelKey1:labelValue1},{labelKey2:labelValue2}
-
-	# Adds one or more commonAnnotations to the kustomization
-	kustomize edit add annotation {annotationKey1:annotationValue1},{annotationKey2:annotationValue2}
-`,
-		Args: cobra.MinimumNArgs(1),
-	}
-	c.AddCommand(
-		newCmdAddResource(fsys),
-		newCmdAddPatch(fsys),
-		newCmdAddConfigMap(fsys),
-		newCmdAddBase(fsys),
-		newCmdAddLabel(fsys),
-		newCmdAddAnnotation(fsys),
-	)
-	return c
-}
-
-// newSetCommand returns an instance of 'set' subcommand.
-func newCmdSet(fsys fs.FileSystem) *cobra.Command {
-	c := &cobra.Command{
-		Use:   "set",
-		Short: "Sets the value of different fields in kustomization file.",
-		Long:  "",
-		Example: `
-	# Sets the nameprefix field
-	kustomize edit set nameprefix <prefix-value>
-`,
-		Args: cobra.MinimumNArgs(1),
-	}
-
-	c.AddCommand(
-		newCmdSetNamePrefix(fsys),
-		newCmdSetNamespace(fsys),
-		newCmdSetImageTag(fsys),
-	)
-	return c
-}

pkg/commands/edit/add/addbase.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"errors"
@@ -22,9 +22,8 @@ import (
 	"strings"
 
 	"github.com/spf13/cobra"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 type addBaseOptions struct {
@@ -70,13 +69,13 @@ func (o *addBaseOptions) Complete(cmd *cobra.Command, args []string) error {
 }
 
 // RunAddBase runs addBase command (do real work).
-func (o *addBaseOptions) RunAddBase(fsys fs.FileSystem) error {
-	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
+func (o *addBaseOptions) RunAddBase(fSys fs.FileSystem) error {
+	mf, err := kustfile.NewKustomizationFile(fSys)
 	if err != nil {
 		return err
 	}
 
-	m, err := mf.read()
+	m, err := mf.Read()
 	if err != nil {
 		return err
 	}
@@ -84,15 +83,15 @@ func (o *addBaseOptions) RunAddBase(fsys fs.FileSystem) error {
 	// split directory paths
 	paths := strings.Split(o.baseDirectoryPaths, ",")
 	for _, path := range paths {
-		if !fsys.Exists(path) {
+		if !fSys.Exists(path) {
 			return errors.New(path + " does not exist")
 		}
-		if stringInSlice(path, m.Bases) {
+		if kustfile.StringInSlice(path, m.Bases) {
 			return fmt.Errorf("base %s already in kustomization file", path)
 		}
 		m.Bases = append(m.Bases, path)
 
 	}
 
-	return mf.write(m)
+	return mf.Write(m)
 }

pkg/commands/edit/add/addbase_test.go

@@ -14,15 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
+	"strings"
 	"testing"
 
-	"strings"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 const (
@@ -35,7 +34,7 @@ func TestAddBaseHappyPath(t *testing.T) {
 	for _, base := range bases {
 		fakeFS.Mkdir(base)
 	}
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdAddBase(fakeFS)
 	args := []string{baseDirectoryPaths}
@@ -43,7 +42,7 @@ func TestAddBaseHappyPath(t *testing.T) {
 	if err != nil {
 		t.Errorf("unexpected cmd error: %v", err)
 	}
-	content, err := fakeFS.ReadFile(constants.KustomizationFileName)
+	content, err := fakeFS.ReadTestKustomization()
 	if err != nil {
 		t.Errorf("unexpected read error: %v", err)
 	}
@@ -62,7 +61,7 @@ func TestAddBaseAlreadyThere(t *testing.T) {
 	for _, base := range bases {
 		fakeFS.Mkdir(base)
 	}
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdAddBase(fakeFS)
 	args := []string{baseDirectoryPaths}
@@ -79,7 +78,7 @@ func TestAddBaseAlreadyThere(t *testing.T) {
 	for _, base := range bases {
 		msg := "base " + base + " already in kustomization file"
 		expectedErrors = append(expectedErrors, msg)
-		if !stringInSlice(msg, expectedErrors) {
+		if !kustfile.StringInSlice(msg, expectedErrors) {
 			t.Errorf("unexpected error %v", err)
 		}
 	}

pkg/commands/edit/add/addmetadata.go

@@ -0,0 +1,175 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package add
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/constants"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/types"
+)
+
+// kindOfAdd is the kind of metadata being added: label or annotation
+type kindOfAdd int
+
+const (
+	annotation kindOfAdd = iota
+	label
+)
+
+func (k kindOfAdd) String() string {
+	kinds := [...]string{
+		"annotation",
+		"label",
+	}
+	if k < 0 || k > 1 {
+		return "Unknown metadatakind"
+	}
+	return kinds[k]
+}
+
+type addMetadataOptions struct {
+	metadata     map[string]string
+	mapValidator func(map[string]string) error
+	kind         kindOfAdd
+}
+
+// newCmdAddAnnotation adds one or more commonAnnotations to the kustomization file.
+func newCmdAddAnnotation(fSys fs.FileSystem, v func(map[string]string) error) *cobra.Command {
+	var o addMetadataOptions
+	o.kind = annotation
+	o.mapValidator = v
+	cmd := &cobra.Command{
+		Use:   "annotation",
+		Short: "Adds one or more commonAnnotations to " + constants.KustomizationFileNames[0],
+		Example: `
+		add annotation {annotationKey1:annotationValue1},{annotationKey2:annotationValue2}`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return o.runE(args, fSys, o.addAnnotations)
+		},
+	}
+	return cmd
+}
+
+// newCmdAddLabel adds one or more commonLabels to the kustomization file.
+func newCmdAddLabel(fSys fs.FileSystem, v func(map[string]string) error) *cobra.Command {
+	var o addMetadataOptions
+	o.kind = label
+	o.mapValidator = v
+	cmd := &cobra.Command{
+		Use:   "label",
+		Short: "Adds one or more commonLabels to " + constants.KustomizationFileNames[0],
+		Example: `
+		add label {labelKey1:labelValue1},{labelKey2:labelValue2}`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return o.runE(args, fSys, o.addLabels)
+		},
+	}
+	return cmd
+}
+
+func (o *addMetadataOptions) runE(
+	args []string, fSys fs.FileSystem, adder func(*types.Kustomization) error) error {
+	err := o.validateAndParse(args)
+	if err != nil {
+		return err
+	}
+	kf, err := kustfile.NewKustomizationFile(fSys)
+	if err != nil {
+		return err
+	}
+	m, err := kf.Read()
+	if err != nil {
+		return err
+	}
+	err = adder(m)
+	if err != nil {
+		return err
+	}
+	return kf.Write(m)
+}
+
+// validateAndParse validates `add` commands and parses them into o.metadata
+func (o *addMetadataOptions) validateAndParse(args []string) error {
+	if len(args) < 1 {
+		return fmt.Errorf("must specify %s", o.kind)
+	}
+	if len(args) > 1 {
+		return fmt.Errorf("%ss must be comma-separated, with no spaces", o.kind)
+	}
+	m, err := o.convertToMap(args[0])
+	if err != nil {
+		return err
+	}
+	if err = o.mapValidator(m); err != nil {
+		return err
+	}
+	o.metadata = m
+	return nil
+}
+
+func (o *addMetadataOptions) convertToMap(arg string) (map[string]string, error) {
+	result := make(map[string]string)
+	inputs := strings.Split(arg, ",")
+	for _, input := range inputs {
+		kv := strings.Split(input, ":")
+		if len(kv[0]) < 1 {
+			return nil, o.makeError(input, "empty key")
+		}
+		if len(kv) > 2 {
+			return nil, o.makeError(input, "too many colons")
+		}
+		if len(kv) > 1 {
+			result[kv[0]] = kv[1]
+		} else {
+			result[kv[0]] = ""
+		}
+	}
+	return result, nil
+}
+
+func (o *addMetadataOptions) addAnnotations(m *types.Kustomization) error {
+	if m.CommonAnnotations == nil {
+		m.CommonAnnotations = make(map[string]string)
+	}
+	return o.writeToMap(m.CommonAnnotations, annotation)
+}
+
+func (o *addMetadataOptions) addLabels(m *types.Kustomization) error {
+	if m.CommonLabels == nil {
+		m.CommonLabels = make(map[string]string)
+	}
+	return o.writeToMap(m.CommonLabels, label)
+}
+
+func (o *addMetadataOptions) writeToMap(m map[string]string, kind kindOfAdd) error {
+	for k, v := range o.metadata {
+		if _, ok := m[k]; ok {
+			return fmt.Errorf("%s %s already in kustomization file", kind, k)
+		}
+		m[k] = v
+	}
+	return nil
+}
+
+func (o *addMetadataOptions) makeError(input string, message string) error {
+	return fmt.Errorf("invalid %s: %s (%s)", o.kind, input, message)
+}

pkg/commands/edit/add/addmetadata_test.go

@@ -0,0 +1,273 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package add
+
+import (
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/types"
+	"sigs.k8s.io/kustomize/pkg/validators"
+)
+
+func makeKustomization(t *testing.T) *types.Kustomization {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomization()
+	kf, err := kustfile.NewKustomizationFile(fakeFS)
+	if err != nil {
+		t.Errorf("unexpected new error %v", err)
+	}
+	m, err := kf.Read()
+	if err != nil {
+		t.Errorf("unexpected read error %v", err)
+	}
+	return m
+}
+
+func TestRunAddAnnotation(t *testing.T) {
+	var o addMetadataOptions
+	o.metadata = map[string]string{"owls": "cute", "otters": "adorable"}
+
+	m := makeKustomization(t)
+	err := o.addAnnotations(m)
+	if err != nil {
+		t.Errorf("unexpected error: could not write to kustomization file")
+	}
+	// adding the same test input should not work
+	err = o.addAnnotations(m)
+	if err == nil {
+		t.Errorf("expected already in kustomization file error")
+	}
+	// adding new annotations should work
+	o.metadata = map[string]string{"new": "annotation"}
+	err = o.addAnnotations(m)
+	if err != nil {
+		t.Errorf("unexpected error: could not write to kustomization file")
+	}
+}
+
+func TestAddAnnotationNoArgs(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	err := cmd.Execute()
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "must specify annotation" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddAnnotationInvalidFormat(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeSadMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	args := []string{"whatever:whatever"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != validators.SAD {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddAnnotationManyArgs(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomization()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	args := []string{"k1:v1,k2:v2,k3:v3,k4:v5"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyCall()
+	if err != nil {
+		t.Errorf("unexpected error: %v", err.Error())
+	}
+}
+
+func TestAddAnnotationNoKey(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	args := []string{":nokey"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "invalid annotation: :nokey (empty key)" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddAnnotationTooManyColons(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	args := []string{"key:v1:v2"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "invalid annotation: key:v1:v2 (too many colons)" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddAnnotationNoValue(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomization()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	args := []string{"no:,value"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyCall()
+	if err != nil {
+		t.Errorf("unexpected error: %v", err.Error())
+	}
+}
+
+func TestAddAnnotationMultipleArgs(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomization()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddAnnotation(fakeFS, v.Validator)
+	args := []string{"this:annotation", "has:spaces"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "annotations must be comma-separated, with no spaces" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestRunAddLabel(t *testing.T) {
+	var o addMetadataOptions
+	o.metadata = map[string]string{"owls": "cute", "otters": "adorable"}
+
+	m := makeKustomization(t)
+	err := o.addLabels(m)
+	if err != nil {
+		t.Errorf("unexpected error: could not write to kustomization file")
+	}
+	// adding the same test input should not work
+	err = o.addLabels(m)
+	if err == nil {
+		t.Errorf("expected already in kustomization file error")
+	}
+	// adding new labels should work
+	o.metadata = map[string]string{"new": "label"}
+	err = o.addLabels(m)
+	if err != nil {
+		t.Errorf("unexpected error: could not write to kustomization file")
+	}
+}
+
+func TestAddLabelNoArgs(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddLabel(fakeFS, v.Validator)
+	err := cmd.Execute()
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "must specify label" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddLabelInvalidFormat(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeSadMapValidator(t)
+	cmd := newCmdAddLabel(fakeFS, v.Validator)
+	args := []string{"exclamation!:point"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != validators.SAD {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddLabelNoKey(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddLabel(fakeFS, v.Validator)
+	args := []string{":nokey"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "invalid label: :nokey (empty key)" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddLabelTooManyColons(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddLabel(fakeFS, v.Validator)
+	args := []string{"key:v1:v2"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "invalid label: key:v1:v2 (too many colons)" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}
+
+func TestAddLabelNoValue(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomization()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddLabel(fakeFS, v.Validator)
+	args := []string{"no,value:"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyCall()
+	if err != nil {
+		t.Errorf("unexpected error: %v", err.Error())
+	}
+}
+
+func TestAddLabelMultipleArgs(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomization()
+	v := validators.MakeHappyMapValidator(t)
+	cmd := newCmdAddLabel(fakeFS, v.Validator)
+	args := []string{"this:input", "has:spaces"}
+	err := cmd.RunE(cmd, args)
+	v.VerifyNoCall()
+	if err == nil {
+		t.Errorf("expected an error")
+	}
+	if err.Error() != "labels must be comma-separated, with no spaces" {
+		t.Errorf("incorrect error: %v", err.Error())
+	}
+}

pkg/commands/edit/add/addpatch.go

@@ -14,16 +14,16 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"errors"
 	"log"
 
 	"github.com/spf13/cobra"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/patch"
 )
 
 type addPatchOptions struct {
@@ -69,8 +69,8 @@ func (o *addPatchOptions) Complete(cmd *cobra.Command, args []string) error {
 }
 
 // RunAddPatch runs addPatch command (do real work).
-func (o *addPatchOptions) RunAddPatch(fsys fs.FileSystem) error {
-	patches, err := globPatterns(fsys, o.patchFilePaths)
+func (o *addPatchOptions) RunAddPatch(fSys fs.FileSystem) error {
+	patches, err := globPatterns(fSys, o.patchFilePaths)
 	if err != nil {
 		return err
 	}
@@ -78,23 +78,23 @@ func (o *addPatchOptions) RunAddPatch(fsys fs.FileSystem) error {
 		return nil
 	}
 
-	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
+	mf, err := kustfile.NewKustomizationFile(fSys)
 	if err != nil {
 		return err
 	}
 
-	m, err := mf.read()
+	m, err := mf.Read()
 	if err != nil {
 		return err
 	}
 
-	for _, patch := range patches {
-		if stringInSlice(patch, m.Patches) {
-			log.Printf("patch %s already in kustomization file", patch)
+	for _, p := range patches {
+		if patch.Exist(m.PatchesStrategicMerge, p) {
+			log.Printf("patch %s already in kustomization file", p)
 			continue
 		}
-		m.Patches = append(m.Patches, patch)
+		m.PatchesStrategicMerge = patch.Append(m.PatchesStrategicMerge, p)
 	}
 
-	return mf.write(m)
+	return mf.Write(m)
 }

pkg/commands/edit/add/addpatch_test.go

@@ -14,15 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"testing"
 
 	"strings"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 const (
@@ -37,7 +36,7 @@ func TestAddPatchHappyPath(t *testing.T) {
 	fakeFS := fs.MakeFakeFS()
 	fakeFS.WriteFile(patchFileName, []byte(patchFileContent))
 	fakeFS.WriteFile(patchFileName+"another", []byte(patchFileContent))
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdAddPatch(fakeFS)
 	args := []string{patchFileName + "*"}
@@ -45,7 +44,7 @@ func TestAddPatchHappyPath(t *testing.T) {
 	if err != nil {
 		t.Errorf("unexpected cmd error: %v", err)
 	}
-	content, err := fakeFS.ReadFile(constants.KustomizationFileName)
+	content, err := fakeFS.ReadTestKustomization()
 	if err != nil {
 		t.Errorf("unexpected read error: %v", err)
 	}
@@ -60,7 +59,7 @@ func TestAddPatchHappyPath(t *testing.T) {
 func TestAddPatchAlreadyThere(t *testing.T) {
 	fakeFS := fs.MakeFakeFS()
 	fakeFS.WriteFile(patchFileName, []byte(patchFileContent))
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdAddPatch(fakeFS)
 	args := []string{patchFileName}

pkg/commands/edit/add/addresource.go

@@ -14,16 +14,15 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"errors"
 	"log"
 
 	"github.com/spf13/cobra"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 type addResourceOptions struct {
@@ -69,8 +68,8 @@ func (o *addResourceOptions) Complete(cmd *cobra.Command, args []string) error {
 }
 
 // RunAddResource runs addResource command (do real work).
-func (o *addResourceOptions) RunAddResource(fsys fs.FileSystem) error {
-	resources, err := globPatterns(fsys, o.resourceFilePaths)
+func (o *addResourceOptions) RunAddResource(fSys fs.FileSystem) error {
+	resources, err := globPatterns(fSys, o.resourceFilePaths)
 	if err != nil {
 		return err
 	}
@@ -78,23 +77,23 @@ func (o *addResourceOptions) RunAddResource(fsys fs.FileSystem) error {
 		return nil
 	}
 
-	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
+	mf, err := kustfile.NewKustomizationFile(fSys)
 	if err != nil {
 		return err
 	}
 
-	m, err := mf.read()
+	m, err := mf.Read()
 	if err != nil {
 		return err
 	}
 
 	for _, resource := range resources {
-		if stringInSlice(resource, m.Resources) {
+		if kustfile.StringInSlice(resource, m.Resources) {
 			log.Printf("resource %s already in kustomization file", resource)
 			continue
 		}
 		m.Resources = append(m.Resources, resource)
 	}
 
-	return mf.write(m)
+	return mf.Write(m)
 }

pkg/commands/edit/add/addresource_test.go

@@ -14,14 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"strings"
 	"testing"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 const (
@@ -29,22 +28,6 @@ const (
 	resourceFileContent = `
 Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
-`
-	kustomizationContent = `namePrefix: some-prefix
-# Labels to add to all objects and selectors.
-# These labels would also be used to form the selector for apply --prune
-# Named differently than “labels” to avoid confusion with metadata for this object
-commonLabels:
-  app: helloworld
-commonAnnotations:
-  note: This is an example annotation
-resources: []
-#- service.yaml
-#- ../some-dir/
-# There could also be configmaps in Base, which would make these overlays
-configMapGenerator: []
-# There could be secrets in Base, if just using a fork/rebase workflow
-secretGenerator: []
 `
 )
 
@@ -52,7 +35,7 @@ func TestAddResourceHappyPath(t *testing.T) {
 	fakeFS := fs.MakeFakeFS()
 	fakeFS.WriteFile(resourceFileName, []byte(resourceFileContent))
 	fakeFS.WriteFile(resourceFileName+"another", []byte(resourceFileContent))
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdAddResource(fakeFS)
 	args := []string{resourceFileName + "*"}
@@ -60,7 +43,7 @@ func TestAddResourceHappyPath(t *testing.T) {
 	if err != nil {
 		t.Errorf("unexpected cmd error: %v", err)
 	}
-	content, err := fakeFS.ReadFile(constants.KustomizationFileName)
+	content, err := fakeFS.ReadTestKustomization()
 	if err != nil {
 		t.Errorf("unexpected read error: %v", err)
 	}
@@ -75,7 +58,7 @@ func TestAddResourceHappyPath(t *testing.T) {
 func TestAddResourceAlreadyThere(t *testing.T) {
 	fakeFS := fs.MakeFakeFS()
 	fakeFS.WriteFile(resourceFileName, []byte(resourceFileContent))
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdAddResource(fakeFS)
 	args := []string{resourceFileName}

pkg/commands/edit/add/all.go

@@ -0,0 +1,66 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package add
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+)
+
+// NewCmdAdd returns an instance of 'add' subcommand.
+func NewCmdAdd(fsys fs.FileSystem, v ifc.Validator, kf ifc.KunstructuredFactory) *cobra.Command {
+	c := &cobra.Command{
+		Use:   "add",
+		Short: "Adds an item to the kustomization file.",
+		Long:  "",
+		Example: `
+	# Adds a secret to the kustomization file
+	kustomize edit add secret NAME --from-literal=k=v
+
+	# Adds a configmap to the kustomization file
+	kustomize edit add configmap NAME --from-literal=k=v
+
+	# Adds a resource to the kustomization
+	kustomize edit add resource <filepath>
+
+	# Adds a patch to the kustomization
+	kustomize edit add patch <filepath>
+
+	# Adds one or more base directories to the kustomization
+	kustomize edit add base <filepath>
+	kustomize edit add base <filepath1>,<filepath2>,<filepath3>
+
+	# Adds one or more commonLabels to the kustomization
+	kustomize edit add label {labelKey1:labelValue1},{labelKey2:labelValue2}
+
+	# Adds one or more commonAnnotations to the kustomization
+	kustomize edit add annotation {annotationKey1:annotationValue1},{annotationKey2:annotationValue2}
+`,
+		Args: cobra.MinimumNArgs(1),
+	}
+	c.AddCommand(
+		newCmdAddResource(fsys),
+		newCmdAddPatch(fsys),
+		newCmdAddSecret(fsys, kf),
+		newCmdAddConfigMap(fsys, kf),
+		newCmdAddBase(fsys),
+		newCmdAddLabel(fsys, v.MakeLabelValidator()),
+		newCmdAddAnnotation(fsys, v.MakeAnnotationValidator()),
+	)
+	return c
+}

pkg/commands/edit/add/configmap.go

@@ -14,22 +14,22 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"fmt"
 
 	"github.com/spf13/cobra"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/configmapandsecret"
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/loader"
-	"github.com/kubernetes-sigs/kustomize/pkg/types"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/loader"
+	"sigs.k8s.io/kustomize/pkg/types"
 )
 
-func newCmdAddConfigMap(fSys fs.FileSystem) *cobra.Command {
-	var flagsAndArgs cMapFlagsAndArgs
+// newCmdAddConfigMap returns a new command.
+func newCmdAddConfigMap(fSys fs.FileSystem, kf ifc.KunstructuredFactory) *cobra.Command {
+	var flags flagsAndArgs
 	cmd := &cobra.Command{
 		Use:   "configmap NAME [--from-file=[key=]source] [--from-literal=key1=value1]",
 		Short: "Adds a configmap to the kustomization file.",
@@ -45,55 +45,53 @@ func newCmdAddConfigMap(fSys fs.FileSystem) *cobra.Command {
 	kustomize edit add configmap my-configmap --from-env-file=env/path.env
 `,
 		RunE: func(_ *cobra.Command, args []string) error {
-			err := flagsAndArgs.ExpandFileSource(fSys)
+			err := flags.ExpandFileSource(fSys)
 			if err != nil {
 				return err
 			}
 
-			err = flagsAndArgs.Validate(args)
+			err = flags.Validate(args)
 			if err != nil {
 				return err
 			}
 
 			// Load the kustomization file.
-			mf, err := newKustomizationFile(constants.KustomizationFileName, fSys)
+			mf, err := kustfile.NewKustomizationFile(fSys)
 			if err != nil {
 				return err
 			}
 
-			kustomization, err := mf.read()
+			kustomization, err := mf.Read()
 			if err != nil {
 				return err
 			}
 
 			// Add the flagsAndArgs map to the kustomization file.
-			err = addConfigMap(
-				kustomization, flagsAndArgs,
-				configmapandsecret.NewConfigMapFactory(
-					fSys, loader.NewFileLoader(fSys)))
+			kf.Set(loader.NewFileLoaderAtCwd(fSys))
+			err = addConfigMap(kustomization, flags, kf)
 			if err != nil {
 				return err
 			}
 
 			// Write out the kustomization file with added configmap.
-			return mf.write(kustomization)
+			return mf.Write(kustomization)
 		},
 	}
 
 	cmd.Flags().StringSliceVar(
-		&flagsAndArgs.FileSources,
+		&flags.FileSources,
 		"from-file",
 		[]string{},
 		"Key file can be specified using its file path, in which case file basename will be used as configmap "+
 			"key, or optionally with a key and file path, in which case the given key will be used.  Specifying a "+
 			"directory will iterate each named file in the directory whose basename is a valid configmap key.")
 	cmd.Flags().StringArrayVar(
-		&flagsAndArgs.LiteralSources,
+		&flags.LiteralSources,
 		"from-literal",
 		[]string{},
 		"Specify a key and literal value to insert in configmap (i.e. mykey=somevalue)")
 	cmd.Flags().StringVar(
-		&flagsAndArgs.EnvFileSource,
+		&flags.EnvFileSource,
 		"from-env-file",
 		"",
 		"Specify the path to a file to read lines of key=val pairs to create a configmap (i.e. a Docker .env file).")
@@ -106,15 +104,14 @@ func newCmdAddConfigMap(fSys fs.FileSystem) *cobra.Command {
 // Suggest passing a copy of kustomization file.
 func addConfigMap(
 	k *types.Kustomization,
-	flagsAndArgs cMapFlagsAndArgs,
-	factory *configmapandsecret.ConfigMapFactory) error {
-	cmArgs := makeConfigMapArgs(k, flagsAndArgs.Name)
-	err := mergeFlagsIntoCmArgs(&cmArgs.DataSources, flagsAndArgs)
+	flags flagsAndArgs, kf ifc.KunstructuredFactory) error {
+	cmArgs := makeConfigMapArgs(k, flags.Name)
+	err := mergeFlagsIntoCmArgs(&cmArgs.DataSources, flags)
 	if err != nil {
 		return err
 	}
 	// Validate by trying to create corev1.configmap.
-	_, _, err = factory.MakeUnstructAndGenerateName(cmArgs)
+	_, err = kf.MakeConfigMap(cmArgs, k.GeneratorOptions)
 	if err != nil {
 		return err
 	}
@@ -128,12 +125,12 @@ func makeConfigMapArgs(m *types.Kustomization, name string) *types.ConfigMapArgs
 		}
 	}
 	// config map not found, create new one and add it to the kustomization file.
-	cm := &types.ConfigMapArgs{Name: name}
+	cm := &types.ConfigMapArgs{GeneratorArgs: types.GeneratorArgs{Name: name}}
 	m.ConfigMapGenerator = append(m.ConfigMapGenerator, *cm)
 	return &m.ConfigMapGenerator[len(m.ConfigMapGenerator)-1]
 }
 
-func mergeFlagsIntoCmArgs(src *types.DataSources, flags cMapFlagsAndArgs) error {
+func mergeFlagsIntoCmArgs(src *types.DataSources, flags flagsAndArgs) error {
 	src.LiteralSources = append(src.LiteralSources, flags.LiteralSources...)
 	src.FileSources = append(src.FileSources, flags.FileSources...)
 	if src.EnvSource != "" && src.EnvSource != flags.EnvFileSource {

pkg/commands/edit/add/configmap_test.go

@@ -14,17 +14,17 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"testing"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
-	"github.com/kubernetes-sigs/kustomize/pkg/types"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/types"
 )
 
 func TestNewAddConfigMapIsNotNil(t *testing.T) {
-	if newCmdAddConfigMap(fs.MakeFakeFS()) == nil {
+	if newCmdAddConfigMap(fs.MakeFakeFS(), nil) == nil {
 		t.Fatal("newCmdAddConfigMap shouldn't be nil")
 	}
 }
@@ -67,7 +67,7 @@ func TestMakeConfigMapArgs(t *testing.T) {
 func TestMergeFlagsIntoCmArgs_LiteralSources(t *testing.T) {
 	ds := &types.DataSources{}
 
-	err := mergeFlagsIntoCmArgs(ds, cMapFlagsAndArgs{LiteralSources: []string{"k1=v1"}})
+	err := mergeFlagsIntoCmArgs(ds, flagsAndArgs{LiteralSources: []string{"k1=v1"}})
 	if err != nil {
 		t.Fatalf("Merge initial literal source should not return error")
 	}
@@ -76,7 +76,7 @@ func TestMergeFlagsIntoCmArgs_LiteralSources(t *testing.T) {
 		t.Fatalf("Initial literal source should have been added")
 	}
 
-	err = mergeFlagsIntoCmArgs(ds, cMapFlagsAndArgs{LiteralSources: []string{"k2=v2"}})
+	err = mergeFlagsIntoCmArgs(ds, flagsAndArgs{LiteralSources: []string{"k2=v2"}})
 	if err != nil {
 		t.Fatalf("Merge second literal source should not return error")
 	}
@@ -89,7 +89,7 @@ func TestMergeFlagsIntoCmArgs_LiteralSources(t *testing.T) {
 func TestMergeFlagsIntoCmArgs_FileSources(t *testing.T) {
 	ds := &types.DataSources{}
 
-	err := mergeFlagsIntoCmArgs(ds, cMapFlagsAndArgs{FileSources: []string{"file1"}})
+	err := mergeFlagsIntoCmArgs(ds, flagsAndArgs{FileSources: []string{"file1"}})
 	if err != nil {
 		t.Fatalf("Merge initial file source should not return error")
 	}
@@ -98,7 +98,7 @@ func TestMergeFlagsIntoCmArgs_FileSources(t *testing.T) {
 		t.Fatalf("Initial file source should have been added")
 	}
 
-	err = mergeFlagsIntoCmArgs(ds, cMapFlagsAndArgs{FileSources: []string{"file2"}})
+	err = mergeFlagsIntoCmArgs(ds, flagsAndArgs{FileSources: []string{"file2"}})
 	if err != nil {
 		t.Fatalf("Merge second file source should not return error")
 	}
@@ -113,7 +113,7 @@ func TestMergeFlagsIntoCmArgs_EnvSource(t *testing.T) {
 	envFileName2 := "env2"
 	ds := &types.DataSources{}
 
-	err := mergeFlagsIntoCmArgs(ds, cMapFlagsAndArgs{EnvFileSource: envFileName})
+	err := mergeFlagsIntoCmArgs(ds, flagsAndArgs{EnvFileSource: envFileName})
 	if err != nil {
 		t.Fatalf("Merge initial env source should not return error")
 	}
@@ -122,7 +122,7 @@ func TestMergeFlagsIntoCmArgs_EnvSource(t *testing.T) {
 		t.Fatalf("Initial env source filename should have been added")
 	}
 
-	err = mergeFlagsIntoCmArgs(ds, cMapFlagsAndArgs{EnvFileSource: envFileName2})
+	err = mergeFlagsIntoCmArgs(ds, flagsAndArgs{EnvFileSource: envFileName2})
 	if err == nil {
 		t.Fatalf("Updating env source should return an error")
 	}

pkg/commands/edit/add/flagsandargs.go

@@ -14,16 +14,16 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"fmt"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
-// cMapFlagsAndArgs encapsulates the options for add configmap commands.
-type cMapFlagsAndArgs struct {
+// flagsAndArgs encapsulates the options for add secret/configmap commands.
+type flagsAndArgs struct {
 	// Name of configMap/Secret (required)
 	Name string
 	// FileSources to derive the configMap/Secret from (optional)
@@ -33,10 +33,12 @@ type cMapFlagsAndArgs struct {
 	// EnvFileSource to derive the configMap/Secret from (optional)
 	// TODO: Rationalize this name with Generic.EnvSource
 	EnvFileSource string
+	// Type of secret to create
+	Type string
 }
 
 // Validate validates required fields are set to support structured generation.
-func (a *cMapFlagsAndArgs) Validate(args []string) error {
+func (a *flagsAndArgs) Validate(args []string) error {
 	if len(args) != 1 {
 		return fmt.Errorf("name must be specified once")
 	}
@@ -51,7 +53,7 @@ func (a *cMapFlagsAndArgs) Validate(args []string) error {
 	return nil
 }
 
-func (a *cMapFlagsAndArgs) ExpandFileSource(fSys fs.FileSystem) error {
+func (a *flagsAndArgs) ExpandFileSource(fSys fs.FileSystem) error {
 	result, err := globPatterns(fSys, a.FileSources)
 	if err != nil {
 		return err

pkg/commands/edit/add/flagsandargs_test.go

@@ -14,27 +14,27 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"reflect"
 	"testing"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
-func TestDataConfigValidation_NoName(t *testing.T) {
-	config := cMapFlagsAndArgs{}
+func TestDataValidation_NoName(t *testing.T) {
+	fa := flagsAndArgs{}
 
-	if config.Validate([]string{}) == nil {
+	if fa.Validate([]string{}) == nil {
 		t.Fatal("Validation should fail if no name is specified")
 	}
 }
 
-func TestDataConfigValidation_MoreThanOneName(t *testing.T) {
-	config := cMapFlagsAndArgs{}
+func TestDataValidation_MoreThanOneName(t *testing.T) {
+	fa := flagsAndArgs{}
 
-	if config.Validate([]string{"name", "othername"}) == nil {
+	if fa.Validate([]string{"name", "othername"}) == nil {
 		t.Fatal("Validation should fail if more than one name is specified")
 	}
 }
@@ -42,12 +42,12 @@ func TestDataConfigValidation_MoreThanOneName(t *testing.T) {
 func TestDataConfigValidation_Flags(t *testing.T) {
 	tests := []struct {
 		name       string
-		config     cMapFlagsAndArgs
+		fa         flagsAndArgs
 		shouldFail bool
 	}{
 		{
 			name: "env-file-source and literal are both set",
-			config: cMapFlagsAndArgs{
+			fa: flagsAndArgs{
 				LiteralSources: []string{"one", "two"},
 				EnvFileSource:  "three",
 			},
@@ -55,7 +55,7 @@ func TestDataConfigValidation_Flags(t *testing.T) {
 		},
 		{
 			name: "env-file-source and from-file are both set",
-			config: cMapFlagsAndArgs{
+			fa: flagsAndArgs{
 				FileSources:   []string{"one", "two"},
 				EnvFileSource: "three",
 			},
@@ -63,12 +63,12 @@ func TestDataConfigValidation_Flags(t *testing.T) {
 		},
 		{
 			name:       "we don't have any option set",
-			config:     cMapFlagsAndArgs{},
+			fa:         flagsAndArgs{},
 			shouldFail: true,
 		},
 		{
 			name: "we have from-file and literal ",
-			config: cMapFlagsAndArgs{
+			fa: flagsAndArgs{
 				LiteralSources: []string{"one", "two"},
 				FileSources:    []string{"three", "four"},
 			},
@@ -77,9 +77,9 @@ func TestDataConfigValidation_Flags(t *testing.T) {
 	}
 
 	for _, test := range tests {
-		if test.config.Validate([]string{"name"}) == nil && test.shouldFail {
+		if test.fa.Validate([]string{"name"}) == nil && test.shouldFail {
 			t.Fatalf("Validation should fail if %s", test.name)
-		} else if test.config.Validate([]string{"name"}) != nil && !test.shouldFail {
+		} else if test.fa.Validate([]string{"name"}) != nil && !test.shouldFail {
 			t.Fatalf("Validation should succeed if %s", test.name)
 		}
 	}
@@ -87,18 +87,18 @@ func TestDataConfigValidation_Flags(t *testing.T) {
 
 func TestExpandFileSource(t *testing.T) {
 	fakeFS := fs.MakeFakeFS()
-	fakeFS.Create("dir/config1")
-	fakeFS.Create("dir/config2")
+	fakeFS.Create("dir/fa1")
+	fakeFS.Create("dir/fa2")
 	fakeFS.Create("dir/reademe")
-	config := cMapFlagsAndArgs{
-		FileSources: []string{"dir/config*"},
+	fa := flagsAndArgs{
+		FileSources: []string{"dir/fa*"},
 	}
-	config.ExpandFileSource(fakeFS)
+	fa.ExpandFileSource(fakeFS)
 	expected := []string{
-		"dir/config1",
-		"dir/config2",
+		"dir/fa1",
+		"dir/fa2",
 	}
-	if !reflect.DeepEqual(config.FileSources, expected) {
-		t.Fatalf("FileSources is not correctly expanded: %v", config.FileSources)
+	if !reflect.DeepEqual(fa.FileSources, expected) {
+		t.Fatalf("FileSources is not correctly expanded: %v", fa.FileSources)
 	}
 }

pkg/commands/edit/add/secret.go

@@ -0,0 +1,146 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package add
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/loader"
+	"sigs.k8s.io/kustomize/pkg/types"
+)
+
+// newCmdAddSecret returns a new command.
+func newCmdAddSecret(fSys fs.FileSystem, kf ifc.KunstructuredFactory) *cobra.Command {
+	var flags flagsAndArgs
+	cmd := &cobra.Command{
+		Use:   "secret NAME [--from-file=[key=]source] [--from-literal=key1=value1] [--type=Opaque|kubernetes.io/tls]",
+		Short: "Adds a secret to the kustomization file.",
+		Long:  "",
+		Example: `
+	# Adds a secret to the kustomization file (with a specified key)
+	kustomize edit add secret my-secret --from-file=my-key=file/path --from-literal=my-literal=12345
+
+	# Adds a secret to the kustomization file (key is the filename)
+	kustomize edit add secret my-secret --from-file=file/path
+
+	# Adds a secret from env-file
+	kustomize edit add secret my-secret --from-env-file=env/path.env
+`,
+		RunE: func(_ *cobra.Command, args []string) error {
+			err := flags.ExpandFileSource(fSys)
+			if err != nil {
+				return err
+			}
+
+			err = flags.Validate(args)
+			if err != nil {
+				return err
+			}
+
+			// Load the kustomization file.
+			mf, err := kustfile.NewKustomizationFile(fSys)
+			if err != nil {
+				return err
+			}
+
+			kustomization, err := mf.Read()
+			if err != nil {
+				return err
+			}
+
+			// Add the flagsAndArgs map to the kustomization file.
+			kf.Set(loader.NewFileLoaderAtCwd(fSys))
+			err = addSecret(kustomization, flags, kf)
+			if err != nil {
+				return err
+			}
+
+			// Write out the kustomization file with added secret.
+			return mf.Write(kustomization)
+		},
+	}
+
+	cmd.Flags().StringSliceVar(
+		&flags.FileSources,
+		"from-file",
+		[]string{},
+		"Key file can be specified using its file path, in which case file basename will be used as secret "+
+			"key, or optionally with a key and file path, in which case the given key will be used.  Specifying a "+
+			"directory will iterate each named file in the directory whose basename is a valid secret key.")
+	cmd.Flags().StringArrayVar(
+		&flags.LiteralSources,
+		"from-literal",
+		[]string{},
+		"Specify a key and literal value to insert in secret (i.e. mykey=somevalue)")
+	cmd.Flags().StringVar(
+		&flags.EnvFileSource,
+		"from-env-file",
+		"",
+		"Specify the path to a file to read lines of key=val pairs to create a secret (i.e. a Docker .env file).")
+	cmd.Flags().StringVar(
+		&flags.Type,
+		"type",
+		"Opaque",
+		"Specify the secret type this can be 'Opaque' (default), or 'kubernetes.io/tls'")
+
+	return cmd
+}
+
+// addSecret adds a secret to a kustomization file.
+// Note: error may leave kustomization file in an undefined state.
+// Suggest passing a copy of kustomization file.
+func addSecret(
+	k *types.Kustomization,
+	flags flagsAndArgs, kf ifc.KunstructuredFactory) error {
+	secretArgs := makeSecretArgs(k, flags.Name, flags.Type)
+	err := mergeFlagsIntoSecretArgs(&secretArgs.DataSources, flags)
+	if err != nil {
+		return err
+	}
+	// Validate by trying to create corev1.secret.
+	_, err = kf.MakeSecret(secretArgs, k.GeneratorOptions)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func makeSecretArgs(m *types.Kustomization, name, secretType string) *types.SecretArgs {
+	for i, v := range m.SecretGenerator {
+		if name == v.Name {
+			return &m.SecretGenerator[i]
+		}
+	}
+	// secret not found, create new one and add it to the kustomization file.
+	secret := &types.SecretArgs{GeneratorArgs: types.GeneratorArgs{Name: name}, Type: secretType}
+	m.SecretGenerator = append(m.SecretGenerator, *secret)
+	return &m.SecretGenerator[len(m.SecretGenerator)-1]
+}
+
+func mergeFlagsIntoSecretArgs(src *types.DataSources, flags flagsAndArgs) error {
+	src.LiteralSources = append(src.LiteralSources, flags.LiteralSources...)
+	src.FileSources = append(src.FileSources, flags.FileSources...)
+	if src.EnvSource != "" && src.EnvSource != flags.EnvFileSource {
+		return fmt.Errorf("updating existing env source '%s' not allowed", src.EnvSource)
+	}
+	src.EnvSource = flags.EnvFileSource
+	return nil
+}

pkg/commands/edit/add/secret_test.go

@@ -0,0 +1,131 @@
+/*
+Copyright 2019 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package add
+
+import (
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/types"
+)
+
+func TestNewCmdAddSecretIsNotNil(t *testing.T) {
+	if newCmdAddSecret(fs.MakeFakeFS(), nil) == nil {
+		t.Fatal("newCmdAddSecret shouldn't be nil")
+	}
+}
+
+func TestMakeSecretArgs(t *testing.T) {
+	secretName := "test-secret-name"
+
+	kustomization := &types.Kustomization{
+		NamePrefix: "test-name-prefix",
+	}
+
+	secretType := "Opaque"
+
+	if len(kustomization.SecretGenerator) != 0 {
+		t.Fatal("Initial kustomization should not have any secrets")
+	}
+	args := makeSecretArgs(kustomization, secretName, secretType)
+
+	if args == nil {
+		t.Fatalf("args should always be non-nil")
+	}
+
+	if len(kustomization.SecretGenerator) != 1 {
+		t.Fatalf("Kustomization should have newly created secret")
+	}
+
+	if &kustomization.SecretGenerator[len(kustomization.SecretGenerator)-1] != args {
+		t.Fatalf("Pointer address for newly inserted secret generator should be same")
+	}
+
+	args2 := makeSecretArgs(kustomization, secretName, secretType)
+
+	if args2 != args {
+		t.Fatalf("should have returned an existing args with name: %v", secretName)
+	}
+
+	if len(kustomization.SecretGenerator) != 1 {
+		t.Fatalf("Should not insert secret for an existing name: %v", secretName)
+	}
+}
+
+func TestMergeFlagsIntoSecretArgs_LiteralSources(t *testing.T) {
+	ds := &types.DataSources{}
+
+	err := mergeFlagsIntoSecretArgs(ds, flagsAndArgs{LiteralSources: []string{"k1=v1"}})
+	if err != nil {
+		t.Fatalf("Merge initial literal source should not return error")
+	}
+
+	if len(ds.LiteralSources) != 1 {
+		t.Fatalf("Initial literal source should have been added")
+	}
+
+	err = mergeFlagsIntoSecretArgs(ds, flagsAndArgs{LiteralSources: []string{"k2=v2"}})
+	if err != nil {
+		t.Fatalf("Merge second literal source should not return error")
+	}
+
+	if len(ds.LiteralSources) != 2 {
+		t.Fatalf("Second literal source should have been added")
+	}
+}
+
+func TestMergeFlagsIntoSecretArgs_FileSources(t *testing.T) {
+	ds := &types.DataSources{}
+
+	err := mergeFlagsIntoSecretArgs(ds, flagsAndArgs{FileSources: []string{"file1"}})
+	if err != nil {
+		t.Fatalf("Merge initial file source should not return error")
+	}
+
+	if len(ds.FileSources) != 1 {
+		t.Fatalf("Initial file source should have been added")
+	}
+
+	err = mergeFlagsIntoSecretArgs(ds, flagsAndArgs{FileSources: []string{"file2"}})
+	if err != nil {
+		t.Fatalf("Merge second file source should not return error")
+	}
+
+	if len(ds.FileSources) != 2 {
+		t.Fatalf("Second file source should have been added")
+	}
+}
+
+func TestMergeFlagsIntoSecretArgs_EnvSource(t *testing.T) {
+	envFileName := "env1"
+	envFileName2 := "env2"
+	ds := &types.DataSources{}
+
+	err := mergeFlagsIntoSecretArgs(ds, flagsAndArgs{EnvFileSource: envFileName})
+	if err != nil {
+		t.Fatalf("Merge initial env source should not return error")
+	}
+
+	if ds.EnvSource != envFileName {
+		t.Fatalf("Initial env source filename should have been added")
+	}
+
+	err = mergeFlagsIntoSecretArgs(ds, flagsAndArgs{EnvFileSource: envFileName2})
+	if err == nil {
+		t.Fatalf("Updating env source should return an error")
+	}
+}

pkg/commands/edit/add/util.go

@@ -14,12 +14,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package add
 
 import (
 	"log"
 
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 func globPatterns(fsys fs.FileSystem, patterns []string) ([]string, error) {

pkg/commands/edit/all.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package edit
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/commands/edit/add"
+	"sigs.k8s.io/kustomize/pkg/commands/edit/fix"
+	"sigs.k8s.io/kustomize/pkg/commands/edit/set"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+)
+
+// NewCmdEdit returns an instance of 'edit' subcommand.
+func NewCmdEdit(fsys fs.FileSystem, v ifc.Validator, kf ifc.KunstructuredFactory) *cobra.Command {
+	c := &cobra.Command{
+		Use:   "edit",
+		Short: "Edits a kustomization file",
+		Long:  "",
+		Example: `
+	# Adds a configmap to the kustomization file
+	kustomize edit add configmap NAME --from-literal=k=v
+
+	# Sets the nameprefix field
+	kustomize edit set nameprefix <prefix-value>
+
+	# Sets the namesuffix field
+	kustomize edit set namesuffix <suffix-value>
+`,
+		Args: cobra.MinimumNArgs(1),
+	}
+	c.AddCommand(
+		add.NewCmdAdd(fsys, v, kf),
+		set.NewCmdSet(fsys, v),
+		fix.NewCmdFix(fsys),
+	)
+	return c
+}

pkg/commands/edit/fix/fix.go

@@ -0,0 +1,55 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package fix
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
+)
+
+// NewCmdFix returns an instance of 'fix' subcommand.
+func NewCmdFix(fSys fs.FileSystem) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "fix",
+		Short: "Fix the missing fields in kustomization file",
+		Long:  "",
+		Example: `
+	# Fix the missing and deprecated fields in kustomization file
+	kustomize fix
+
+`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return RunFix(fSys)
+		},
+	}
+	return cmd
+}
+
+func RunFix(fSys fs.FileSystem) error {
+	mf, err := kustfile.NewKustomizationFile(fSys)
+	if err != nil {
+		return err
+	}
+
+	m, err := mf.Read()
+	if err != nil {
+		return err
+	}
+
+	return mf.Write(m)
+}

pkg/commands/edit/fix/fix_test.go

@@ -0,0 +1,45 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package fix
+
+import (
+	"strings"
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/fs"
+)
+
+func TestFix(t *testing.T) {
+	fakeFS := fs.MakeFakeFS()
+	fakeFS.WriteTestKustomizationWith([]byte(`nameprefix: some-prefix-`))
+
+	cmd := NewCmdFix(fakeFS)
+	err := cmd.RunE(cmd, nil)
+	if err != nil {
+		t.Errorf("unexpected cmd error: %v", err)
+	}
+	content, err := fakeFS.ReadTestKustomization()
+	if err != nil {
+		t.Errorf("unexpected read error: %v", err)
+	}
+	if !strings.Contains(string(content), "apiVersion: ") {
+		t.Errorf("expected apiVersion in kustomization")
+	}
+	if !strings.Contains(string(content), "kind: Kustomization") {
+		t.Errorf("expected kind in kustomization")
+	}
+}

pkg/commands/edit/set/all.go

@@ -0,0 +1,48 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package set
+
+import (
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+)
+
+// NewCmdSet returns an instance of 'set' subcommand.
+func NewCmdSet(fsys fs.FileSystem, v ifc.Validator) *cobra.Command {
+	c := &cobra.Command{
+		Use:   "set",
+		Short: "Sets the value of different fields in kustomization file.",
+		Long:  "",
+		Example: `
+	# Sets the nameprefix field
+	kustomize edit set nameprefix <prefix-value>
+
+	# Sets the namesuffix field
+	kustomize edit set namesuffix <suffix-value>
+`,
+		Args: cobra.MinimumNArgs(1),
+	}
+
+	c.AddCommand(
+		newCmdSetNamePrefix(fsys),
+		newCmdSetNameSuffix(fsys),
+		newCmdSetNamespace(fsys, v),
+		newCmdSetImage(fsys),
+	)
+	return c
+}

pkg/commands/edit/set/set_name_prefix.go

@@ -14,15 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package set
 
 import (
 	"errors"
 
 	"github.com/spf13/cobra"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 type setNamePrefixOptions struct {
@@ -73,15 +72,15 @@ func (o *setNamePrefixOptions) Complete(cmd *cobra.Command, args []string) error
 }
 
 // RunSetNamePrefix runs setNamePrefix command (does real work).
-func (o *setNamePrefixOptions) RunSetNamePrefix(fsys fs.FileSystem) error {
-	mf, err := newKustomizationFile(constants.KustomizationFileName, fsys)
+func (o *setNamePrefixOptions) RunSetNamePrefix(fSys fs.FileSystem) error {
+	mf, err := kustfile.NewKustomizationFile(fSys)
 	if err != nil {
 		return err
 	}
-	m, err := mf.read()
+	m, err := mf.Read()
 	if err != nil {
 		return err
 	}
 	m.NamePrefix = o.prefix
-	return mf.write(m)
+	return mf.Write(m)
 }

pkg/commands/edit/set/set_name_prefix_test.go

@@ -14,15 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package commands
+package set
 
 import (
+	"strings"
 	"testing"
 
-	"strings"
-
-	"github.com/kubernetes-sigs/kustomize/pkg/constants"
-	"github.com/kubernetes-sigs/kustomize/pkg/fs"
+	"sigs.k8s.io/kustomize/pkg/fs"
 )
 
 const (
@@ -31,7 +29,7 @@ const (
 
 func TestSetNamePrefixHappyPath(t *testing.T) {
 	fakeFS := fs.MakeFakeFS()
-	fakeFS.WriteFile(constants.KustomizationFileName, []byte(kustomizationContent))
+	fakeFS.WriteTestKustomization()
 
 	cmd := newCmdSetNamePrefix(fakeFS)
 	args := []string{goodPrefixValue}
@@ -39,7 +37,7 @@ func TestSetNamePrefixHappyPath(t *testing.T) {
 	if err != nil {
 		t.Errorf("unexpected cmd error: %v", err)
 	}
-	content, err := fakeFS.ReadFile(constants.KustomizationFileName)
+	content, err := fakeFS.ReadTestKustomization()
 	if err != nil {
 		t.Errorf("unexpected read error: %v", err)
 	}